Valvular regurgitation assessment
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Valvular insufficiency is a cardiac disease characterised by the failure of the cardiac valves to close perfectly, resulting in blood flowing in the opposite direction; thereby, causing regurgitation or leakage. The disease may include one or more of the four cardiac valves
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Willens's syndrome.pptx
Wellens syndrome. Wellens syndrome (also referred to as LAD coronary T-wave syndrome) refers to an ECG pattern specific for critical stenosis of the proximal left anterior descending artery. The anomalies described occur in patients with recent anginal chest pain, and do not have chest pain when the ECG is recorded.
Intensive care of congenital heart disease.pptx
Congenital defects can put a strain on the heart, causing it to work harder. To stop your heart from getting weaker with this extra work, your doctor may try to treat you with medications. They are aimed at easing the burden on the heart muscle. You need to control your blood pressure if you have any type of heart problem.
Management of Hypetension.pptx
Changing your lifestyle can help control and manage high blood pressure. Your health care provider may recommend that you make lifestyle changes including:
Eating a heart-healthy diet with less salt
Getting regular physical activity
Maintaining a healthy weight or losing weight
Limiting alcohol
Not smoking
Getting 7 to 9 hours of sleep daily
CRISPR and cardiovascular diseases.pdf
CRISPR technologies have progressed by leaps and bounds over the past decade, not only having a transformative effect on
biomedical research but also yielding new therapies that are poised to enter the clinic. In this review, I give an overview of (i)
the various CRISPR DNA-editing technologies, including standard nuclease gene editing, base editing, prime editing, and epigenome editing, (ii) their impact on cardiovascular basic science research, including animal models, human pluripotent stem
cell models, and functional screens, and (iii) emerging therapeutic applications for patients with cardiovascular diseases, focusing on the examples of Hypercholesterolemia, transthyretin amyloidosis, and Duchenne muscular dystrophy.
Pacemaker Pocket Infection After Splenectomy
A post-splenectomy patient suffers from frequent infections due to capsulated bacteria like Streptococcus
pneumoniae, Hemophilus influenzae, and Neisseria meningitidis despite vaccination because of a lack of
memory B lymphocytes. Pacemaker implantation after splenectomy is less common. Our patient underwent
splenectomy for splenic rupture after a road traffic accident. He developed a complete heart block after
seven years, during which a dual-chamber pacemaker was implanted. However, he was operated on seven
times to treat the complication related to that pacemaker over a period of one year because of various
reasons, which have been shared in this case report. The clinical translation of this interesting observation
is that, though the pacemaker implantation procedure is a well-established procedure, the procedural
outcome is influenced by patient factors like the absence of a spleen, procedural factors like septic measures,
and device factors like the reuse of an already-used pacemaker or leads.
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Transcatheter closure of patent ductus arteriosus (PDA) is feasible in low-birth-weight infants. A female baby was born prematurely with a birth weight of 924 g. She had a PDA measuring 3.7 mm. She was dependent on positive pressure ventilation for congestive heart failure in addition to the heart failure medications. She could not be discharged from the hospital even after 79 days of birth, and even though her weight reached 1.9 kg in the neonatal intensive care unit. We attempted to plug the PDA using an Amplatzer Piccolo Occluder, but the device failed to anchor. Then, the PDA was plugged using a 4-6 Amplatzer Duct Occluder using a 6-Fr sheath which was challenging.
MISPLACED ECG LEADS.pptx
Accidental misplacement of the limb lead electrodes is a common cause of ECG abnormality and may simulate pathology such as ectopic atrial rhythm, chamber enlargement or myocardial ischaemia and infarction
A Case of Device Closure of an Eccentric Atrial Septal Defect Using a Large D...
Device closure of an eccentric atrial septal defect can be challenging and needs technical modifications to avoid unnecessary complications. Here, we present a case of a 45-year-old woman who underwent device closure of an eccentric defect with a large device. The patient developed pericardial effusion and left-sided pleural effusion due to injury to the junction of right atrium and superior vena cava because of the malalignment of the delivery sheath and left atrial disc before the device was pulled across the eccentric defect despite releasing the left atrial disc in the left atrium in place of the left pulmonary vein. These two serious complications were managed conservatively with close monitoring of the case during and after the procedure.
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Wellens syndrome. Wellens syndrome (also referred to as LAD coronary T-wave syndrome) refers to an ECG pattern specific for critical stenosis of the proximal left anterior descending artery. The anomalies described occur in patients with recent anginal chest pain, and do not have chest pain when the ECG is recorded.
Intensive care of congenital heart disease.pptx
Congenital defects can put a strain on the heart, causing it to work harder. To stop your heart from getting weaker with this extra work, your doctor may try to treat you with medications. They are aimed at easing the burden on the heart muscle. You need to control your blood pressure if you have any type of heart problem.
Management of Hypetension.pptx
Changing your lifestyle can help control and manage high blood pressure. Your health care provider may recommend that you make lifestyle changes including:
Eating a heart-healthy diet with less salt
Getting regular physical activity
Maintaining a healthy weight or losing weight
Limiting alcohol
Not smoking
Getting 7 to 9 hours of sleep daily
CRISPR and cardiovascular diseases.pdf
CRISPR technologies have progressed by leaps and bounds over the past decade, not only having a transformative effect on
biomedical research but also yielding new therapies that are poised to enter the clinic. In this review, I give an overview of (i)
the various CRISPR DNA-editing technologies, including standard nuclease gene editing, base editing, prime editing, and epigenome editing, (ii) their impact on cardiovascular basic science research, including animal models, human pluripotent stem
cell models, and functional screens, and (iii) emerging therapeutic applications for patients with cardiovascular diseases, focusing on the examples of Hypercholesterolemia, transthyretin amyloidosis, and Duchenne muscular dystrophy.
Pacemaker Pocket Infection After Splenectomy
A post-splenectomy patient suffers from frequent infections due to capsulated bacteria like Streptococcus
pneumoniae, Hemophilus influenzae, and Neisseria meningitidis despite vaccination because of a lack of
memory B lymphocytes. Pacemaker implantation after splenectomy is less common. Our patient underwent
splenectomy for splenic rupture after a road traffic accident. He developed a complete heart block after
seven years, during which a dual-chamber pacemaker was implanted. However, he was operated on seven
times to treat the complication related to that pacemaker over a period of one year because of various
reasons, which have been shared in this case report. The clinical translation of this interesting observation
is that, though the pacemaker implantation procedure is a well-established procedure, the procedural
outcome is influenced by patient factors like the absence of a spleen, procedural factors like septic measures,
and device factors like the reuse of an already-used pacemaker or leads.
Piccolo Duct Occluder.pdf
Transcatheter closure of patent ductus arteriosus (PDA) is feasible in low-birth-weight infants. A female baby was born prematurely with a birth weight of 924 g. She had a PDA measuring 3.7 mm. She was dependent on positive pressure ventilation for congestive heart failure in addition to the heart failure medications. She could not be discharged from the hospital even after 79 days of birth, and even though her weight reached 1.9 kg in the neonatal intensive care unit. We attempted to plug the PDA using an Amplatzer Piccolo Occluder, but the device failed to anchor. Then, the PDA was plugged using a 4-6 Amplatzer Duct Occluder using a 6-Fr sheath which was challenging.
MISPLACED ECG LEADS.pptx
Accidental misplacement of the limb lead electrodes is a common cause of ECG abnormality and may simulate pathology such as ectopic atrial rhythm, chamber enlargement or myocardial ischaemia and infarction
A Case of Device Closure of an Eccentric Atrial Septal Defect Using a Large D...
Device closure of an eccentric atrial septal defect can be challenging and needs technical modifications to avoid unnecessary complications. Here, we present a case of a 45-year-old woman who underwent device closure of an eccentric defect with a large device. The patient developed pericardial effusion and left-sided pleural effusion due to injury to the junction of right atrium and superior vena cava because of the malalignment of the delivery sheath and left atrial disc before the device was pulled across the eccentric defect despite releasing the left atrial disc in the left atrium in place of the left pulmonary vein. These two serious complications were managed conservatively with close monitoring of the case during and after the procedure.
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A 57-year-old male presented with recurrent palpitations. He was diagnosed with rheumatic mitral stenosis, right posterior septal accessory pathway and atrial flutter. An electrophysiological study after percutaneous balloon mitral valvotomy showed that the palpitations were due to atrial flutter with right bundle branch aberrancy. The right posterior septal pathway was a bystander because it had a higher refractory period than the atrioventricular node.
Coronary guidewire
Percutaneous balloon dilatation, first described by
Andreas Gruentzig in 1979, was initially performed
without the use of guidewires.1 The prototype
balloon catheter was developed as a double lumen
catheter (one lumen for pressure monitoring or
distal perfusion, the other lumen for balloon inflation/deflation) with a short fixed and atraumatic
guidewire at the tip. Indeed, initially the technique
involved advancing a rather rigid balloon catheter
freely without much torque control into a coronary
artery. Bends, tortuosities, angulations, bifurcations,
and eccentric lesions could hardly, if at all, be negotiated, resulting in a rather frustrating low procedural success rate whenever the initial limited
indications (proximal, short, concentric, noncalcified) were negated.2 Luck was almost as
important as expertise, not only for the operator,
but also for the patient. It is to the merit of
Simpson who, in 1982, introduced the novelty of
advancing the balloon catheter over a removable
guidewire, which had first been advanced in the
target vessel.3 This major technical improvement
resulted overnight in a notable increase in the procedural success rate. Guidewires have since evolved
into very sophisticated devices.
Intracoronary optical coherence tomography
Optical coherence tomography-guided algorithm for percutaneous coronary intervention. Vessel diameter should be assessed using the external elastic lamina (EEL)-EEL diameter at the reference segments, and rounded down to select interventional devices (balloons, stents). If the EEL cannot be identified, luminal measures are used and rounded up to 0.5 mm larger for selection of the devices. Optical coherence tomography (OCT)-guided optimisation strategies post stent implantation per EEL-based diameter measurement and per lumen-based diameter measurement are shown. For instance, if the distal EEL-EEL diameter measures 3.2 mm×3.1 mm (i.e., the mean EEL-based diameter is 3.15 mm), this number is rounded down to the next available stent size and post-dilation balloon to be used at the distal segment. Thus, a 3.0 mm stent and non-compliant balloon diameter is selected. If the proximal EEL cannot be visualised, the mean lumen diameter should be used for device sizing. For instance, if the mean proximal lumen diameter measures 3.4 mm, this number is rounded up to the next available balloon diameter (within up to 0.5 mm larger) for post-dilation. MLA: minimal lumen area; MSA: minimal stent area;NC: non-compliant
Brugada syndrome
Brugada syndrome (BrS) is an inherited cardiac disorder,
characterised by a typical ECG pattern and an increased
risk of arrhythmias and sudden cardiac death (SCD).
BrS is a challenging entity, in regard to diagnosis as
well as arrhythmia risk prediction and management.
Nowadays, asymptomatic patients represent the majority
of newly diagnosed patients with BrS, and its incidence
is expected to rise due to (genetic) family screening.
Progress in our understanding of the genetic and
molecular pathophysiology is limited by the absence
of a true gold standard, with consensus on its clinical
definition changing over time. Nevertheless, novel
insights continue to arise from detailed and in-depth
studies, including the complex genetic and molecular
basis. This includes the increasingly recognised
relevance of an underlying structural substrate. Risk
stratification in patients with BrS remains challenging,
particularly in those who are asymptomatic, but recent
studies have demonstrated the potential usefulness
of risk scores to identify patients at high risk of
arrhythmia and SCD. Development and validation of
a model that incorporates clinical and genetic factors,
comorbidities, age and gender, and environmental
aspects may facilitate improved prediction of disease
expressivity and arrhythmia/SCD risk, and potentially
guide patient management and therapy. This review
provides an update of the diagnosis, pathophysiology
and management of BrS, and discusses its future
perspectives.
A roadmap for the human development
The Human Developmental Cell Atlas (HDCA) initiative, which is part of the Human Cell Atlas, aims to create a comprehensive reference map of cells during development. This will be critical to understanding normal organogenesis, the effect of mutations, environmental factors and infectious agents on human development, congenital and childhood disorders, and the cellular basis of ageing, cancer and regenerative medicine. Here we outline the HDCA initiative and the challenges of mapping and modelling human development using state-of-the-art technologies to create a reference atlas across gestation. Similar to the Human Genome Project, the HDCA will integrate the output from a growing community of scientists who are mapping human development into a unified atlas. We describe the early milestones that have been achieved and the use of human stem-cell-derived cultures, organoids and animal models to inform the HDCA, especially for prenatal tissues that are hard to acquire. Finally, we provide a roadmap towards a complete atlas of human development.
Intra aortic balloon pump
The treatment of patients with advanced acute heart failure is still challenging.
Intra-aortic balloon pump (IABP) has widely been used in the management of
patients with cardiogenic shock. However, according to international guidelines, its
routinary use in patients with cardiogenic shock is not recommended. This recommendation is derived from the results of the IABP-SHOCK II trial, which demonstrated
that IABP does not reduce all-cause mortality in patients with acute myocardial infarction and cardiogenic shock. The present position paper, released by the Italian
Association of Hospital Cardiologists, reviews the available data derived from clinical
studies. It also provides practical recommendations for the optimal use of IABP in
the treatment of cardiogenic shock and advanced acute heart failure.
Left ventricular false tendons
Left ventricular false tendons (LVFTs) are fibromuscular
structures, connecting the left ventricular
free wall or papillary muscle and the ventricular
septum.
There is some discussion about safety issues during
intense exercise in athletes with LVFTs, as these
bands have been associated with ventricular arrhythmias
and abnormal cardiac remodelling. However,
presence of LVFTs appears to be much more common
than previously noted as imaging techniques
have improved and the association between LVFTs
and abnormal remodelling could very well be explained
by better visibility in a dilated left ventricular
lumen.
Although LVFTsmay result in electrocardiographic abnormalities
and could form a substrate for ventricular
arrhythmias, it should be considered as a normal
anatomic variant. Persons with LVFTs do not appear
to have increased risk for ventricular arrhythmias or
sudden cardiac death.
Approach to medina 001 bifurcations
The optimal management of bifurcation lesions has received significant interest in recent years and remains a matter of debate among the
interventional cardiology community. Bifurcation lesions are encountered in approximately 21% of percutaneous coronary intervention procedures
and are associated with an increased risk of major adverse cardiac events. The Medina classification has been developed in an attempt to
standardise the terminology when describing bifurcation lesions. The focus of this article is on the management of the Medina 0,0,1 lesion
(‘Medina 001’), an uncommon lesion encountered in <5% of all bifurcations. Technical considerations, management options and interventional
techniques relating to the Medina 001 lesion are discussed. In addition, current published data supporting the various proposed interventional
treatment strategies are examined in an attempt to delineate an evidence-based approach to this uncommon lesion.
Heparin resistance
Drug resistance is defined as the lack of expected response to a standard therapeutic dose of a drug or as resistance resulting from biologic changes in the target, as occurs in antibiotic resistance. Heparin resistance, the failure to achieve a specified anticoagulation level despite the use of what is considered to be an adequate dose of heparin, is neither well understood nor well defined. Heparin resistance usually refers to an effect of unfractionated heparin, for which doses are measured and adjusted, rather than low-molecular-weight heparin, which is not routinely monitored with laboratory testing. Although it is infrequently invoked in inpatient settings, heparin resistance has been reported in critically ill patients with coronavirus disease 2019 (Covid-19) who are at high risk for thrombosis.1-3 This review provides a clinical summary of heparin resistance and potential management strategies.
Surgical repair of patent ductus arteriosus history timeline
Congenital cardiac surgery is one of the most challenging and fascinating branches of modern medicine which continues to
advance in areas and improving outcomes, post-operative and pre-operative care.
Patent Ductus Arteriosus was the first congenital heart lesion to be successfully corrected surgically. The landmark surgery was
performed by Dr. Robert E. Gross in 1938 and opened up the possibility of subsequent surgical correction of various other lesions,
which were considered to be untreatable previously. The first successful surgical closure of persistent ductus arteriosus (PDA)
was preceded by years of work and contributed by various surgeons, physicians, and anatomists, dating all the way back to
the 1st century. They are all worthy of recognition and praise.
This article covers the important events related to PDA lesions including its first identification, followed by its description
in various texts and sources over the course of time, failed attempts at surgical correction, and disputes regarding credits.
These contributions to the branch cannot be overstated and serves as an inspiration to cardiac surgeons all over the world
and to students, interns, and newly graduated doctors as well, who would one day like to be part of this fascinating branch.
The function of the thymus
Origin and migration of T and B cells. Hemopoietic stem cells originating in the yolk sac, fetal liver, or bone
marrow migrate through the blood to the thymus, where they differentiate into T lymphocytes. Others
differentiate within the bone marrow in mammals, or the bursa of Fabricius in birds, to produce B cells.
Mature T and B cells circulate in the blood and lymph and colonize the T and B cell compartments
of the lymphoid tissues
Management of premature ventricular complexes
Isolated monomorphic premature ventricular complexes (PVCs) without
structural heart disease are generally benign.
► Frequent PVCs can cause reversible cardiomyopathy or aggravate an existing
cardiomyopathy.
► Short coupled PVCs can trigger sustained ventricular fibrillation. These are
often from the Purkinje tissue or rarely the outflow tract.
► Beta blockers are considered first-line therapy but have low efficacy.
Catheter ablation and AADs are reasonable to suppress PVCs in appropriate
patients.
► Ablation is often curative and success depends on location and accessibility
of PVCs.
► Implantable defibrillators are reasonable in patients at higher risk of sudden
cardiac death.
Hemodynamics for the heart failure
This article reviews the role of invasive hemodynamics in the care of patients across the
entire spectrum of human heart failure.
Conceptual principles of ventricular function, ventricular-arterial interaction, load
response, and ventricular interaction in the right and left heart are reviewed.
Principles and practice of invasive exercise testing are provided, along with detailed
discussions on the role of invasive hemodynamics in the evaluation and management of
advanced heart failure, shock, mechanical circulatory support, and pulmonary
hypertension.
Bifurcation stenting
Significant unprotected left main (LM) coronary artery disease is present in <10% of patients undergoing coronary angiography. In autopsy research, a mean LM length of 10.8 mm ± 5.2 mm (range 2–23 mm), mean LM diameter 4.9 mm ± 0.8 mm and mean angle between the left anterior descending (LAD) and left circumflex (LCx) of 86.7° ± 28.8° has been described. This angle value positively correlated with LM length.2 Further studies showed that long LM developed stenoses more frequently near the distal bifurcation compared to near the ostium (77% versus 18%).7 It is also worth emphasising that LM bifurcation disease is rarely focal and that both sides of the carina are almost never disease-free. Furthermore, continuous plaque from the LM into the proximal LAD artery has been reported in 90% of cases.8 Summarised below are the most crucial LM peculiarities (in comparison with non-LM bifurcations), which should be taken into consideration when distal LM stenosis PCI is planned:
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Trio of Rheumatic Mitral Stenosis, Right Posterior Septal Accessory Pathway a...
A 57-year-old male presented with recurrent palpitations. He was diagnosed with rheumatic mitral stenosis, right posterior septal accessory pathway and atrial flutter. An electrophysiological study after percutaneous balloon mitral valvotomy showed that the palpitations were due to atrial flutter with right bundle branch aberrancy. The right posterior septal pathway was a bystander because it had a higher refractory period than the atrioventricular node.
Coronary guidewire
Percutaneous balloon dilatation, first described by
Andreas Gruentzig in 1979, was initially performed
without the use of guidewires.1 The prototype
balloon catheter was developed as a double lumen
catheter (one lumen for pressure monitoring or
distal perfusion, the other lumen for balloon inflation/deflation) with a short fixed and atraumatic
guidewire at the tip. Indeed, initially the technique
involved advancing a rather rigid balloon catheter
freely without much torque control into a coronary
artery. Bends, tortuosities, angulations, bifurcations,
and eccentric lesions could hardly, if at all, be negotiated, resulting in a rather frustrating low procedural success rate whenever the initial limited
indications (proximal, short, concentric, noncalcified) were negated.2 Luck was almost as
important as expertise, not only for the operator,
but also for the patient. It is to the merit of
Simpson who, in 1982, introduced the novelty of
advancing the balloon catheter over a removable
guidewire, which had first been advanced in the
target vessel.3 This major technical improvement
resulted overnight in a notable increase in the procedural success rate. Guidewires have since evolved
into very sophisticated devices.
Intracoronary optical coherence tomography
Optical coherence tomography-guided algorithm for percutaneous coronary intervention. Vessel diameter should be assessed using the external elastic lamina (EEL)-EEL diameter at the reference segments, and rounded down to select interventional devices (balloons, stents). If the EEL cannot be identified, luminal measures are used and rounded up to 0.5 mm larger for selection of the devices. Optical coherence tomography (OCT)-guided optimisation strategies post stent implantation per EEL-based diameter measurement and per lumen-based diameter measurement are shown. For instance, if the distal EEL-EEL diameter measures 3.2 mm×3.1 mm (i.e., the mean EEL-based diameter is 3.15 mm), this number is rounded down to the next available stent size and post-dilation balloon to be used at the distal segment. Thus, a 3.0 mm stent and non-compliant balloon diameter is selected. If the proximal EEL cannot be visualised, the mean lumen diameter should be used for device sizing. For instance, if the mean proximal lumen diameter measures 3.4 mm, this number is rounded up to the next available balloon diameter (within up to 0.5 mm larger) for post-dilation. MLA: minimal lumen area; MSA: minimal stent area;NC: non-compliant
Brugada syndrome
Brugada syndrome (BrS) is an inherited cardiac disorder,
characterised by a typical ECG pattern and an increased
risk of arrhythmias and sudden cardiac death (SCD).
BrS is a challenging entity, in regard to diagnosis as
well as arrhythmia risk prediction and management.
Nowadays, asymptomatic patients represent the majority
of newly diagnosed patients with BrS, and its incidence
is expected to rise due to (genetic) family screening.
Progress in our understanding of the genetic and
molecular pathophysiology is limited by the absence
of a true gold standard, with consensus on its clinical
definition changing over time. Nevertheless, novel
insights continue to arise from detailed and in-depth
studies, including the complex genetic and molecular
basis. This includes the increasingly recognised
relevance of an underlying structural substrate. Risk
stratification in patients with BrS remains challenging,
particularly in those who are asymptomatic, but recent
studies have demonstrated the potential usefulness
of risk scores to identify patients at high risk of
arrhythmia and SCD. Development and validation of
a model that incorporates clinical and genetic factors,
comorbidities, age and gender, and environmental
aspects may facilitate improved prediction of disease
expressivity and arrhythmia/SCD risk, and potentially
guide patient management and therapy. This review
provides an update of the diagnosis, pathophysiology
and management of BrS, and discusses its future
perspectives.
A roadmap for the human development
The Human Developmental Cell Atlas (HDCA) initiative, which is part of the Human Cell Atlas, aims to create a comprehensive reference map of cells during development. This will be critical to understanding normal organogenesis, the effect of mutations, environmental factors and infectious agents on human development, congenital and childhood disorders, and the cellular basis of ageing, cancer and regenerative medicine. Here we outline the HDCA initiative and the challenges of mapping and modelling human development using state-of-the-art technologies to create a reference atlas across gestation. Similar to the Human Genome Project, the HDCA will integrate the output from a growing community of scientists who are mapping human development into a unified atlas. We describe the early milestones that have been achieved and the use of human stem-cell-derived cultures, organoids and animal models to inform the HDCA, especially for prenatal tissues that are hard to acquire. Finally, we provide a roadmap towards a complete atlas of human development.
Intra aortic balloon pump
The treatment of patients with advanced acute heart failure is still challenging.
Intra-aortic balloon pump (IABP) has widely been used in the management of
patients with cardiogenic shock. However, according to international guidelines, its
routinary use in patients with cardiogenic shock is not recommended. This recommendation is derived from the results of the IABP-SHOCK II trial, which demonstrated
that IABP does not reduce all-cause mortality in patients with acute myocardial infarction and cardiogenic shock. The present position paper, released by the Italian
Association of Hospital Cardiologists, reviews the available data derived from clinical
studies. It also provides practical recommendations for the optimal use of IABP in
the treatment of cardiogenic shock and advanced acute heart failure.
Left ventricular false tendons
Left ventricular false tendons (LVFTs) are fibromuscular
structures, connecting the left ventricular
free wall or papillary muscle and the ventricular
septum.
There is some discussion about safety issues during
intense exercise in athletes with LVFTs, as these
bands have been associated with ventricular arrhythmias
and abnormal cardiac remodelling. However,
presence of LVFTs appears to be much more common
than previously noted as imaging techniques
have improved and the association between LVFTs
and abnormal remodelling could very well be explained
by better visibility in a dilated left ventricular
lumen.
Although LVFTsmay result in electrocardiographic abnormalities
and could form a substrate for ventricular
arrhythmias, it should be considered as a normal
anatomic variant. Persons with LVFTs do not appear
to have increased risk for ventricular arrhythmias or
sudden cardiac death.
Approach to medina 001 bifurcations
The optimal management of bifurcation lesions has received significant interest in recent years and remains a matter of debate among the
interventional cardiology community. Bifurcation lesions are encountered in approximately 21% of percutaneous coronary intervention procedures
and are associated with an increased risk of major adverse cardiac events. The Medina classification has been developed in an attempt to
standardise the terminology when describing bifurcation lesions. The focus of this article is on the management of the Medina 0,0,1 lesion
(‘Medina 001’), an uncommon lesion encountered in <5% of all bifurcations. Technical considerations, management options and interventional
techniques relating to the Medina 001 lesion are discussed. In addition, current published data supporting the various proposed interventional
treatment strategies are examined in an attempt to delineate an evidence-based approach to this uncommon lesion.
Heparin resistance
Drug resistance is defined as the lack of expected response to a standard therapeutic dose of a drug or as resistance resulting from biologic changes in the target, as occurs in antibiotic resistance. Heparin resistance, the failure to achieve a specified anticoagulation level despite the use of what is considered to be an adequate dose of heparin, is neither well understood nor well defined. Heparin resistance usually refers to an effect of unfractionated heparin, for which doses are measured and adjusted, rather than low-molecular-weight heparin, which is not routinely monitored with laboratory testing. Although it is infrequently invoked in inpatient settings, heparin resistance has been reported in critically ill patients with coronavirus disease 2019 (Covid-19) who are at high risk for thrombosis.1-3 This review provides a clinical summary of heparin resistance and potential management strategies.
Surgical repair of patent ductus arteriosus history timeline
Congenital cardiac surgery is one of the most challenging and fascinating branches of modern medicine which continues to
advance in areas and improving outcomes, post-operative and pre-operative care.
Patent Ductus Arteriosus was the first congenital heart lesion to be successfully corrected surgically. The landmark surgery was
performed by Dr. Robert E. Gross in 1938 and opened up the possibility of subsequent surgical correction of various other lesions,
which were considered to be untreatable previously. The first successful surgical closure of persistent ductus arteriosus (PDA)
was preceded by years of work and contributed by various surgeons, physicians, and anatomists, dating all the way back to
the 1st century. They are all worthy of recognition and praise.
This article covers the important events related to PDA lesions including its first identification, followed by its description
in various texts and sources over the course of time, failed attempts at surgical correction, and disputes regarding credits.
These contributions to the branch cannot be overstated and serves as an inspiration to cardiac surgeons all over the world
and to students, interns, and newly graduated doctors as well, who would one day like to be part of this fascinating branch.
The function of the thymus
Origin and migration of T and B cells. Hemopoietic stem cells originating in the yolk sac, fetal liver, or bone
marrow migrate through the blood to the thymus, where they differentiate into T lymphocytes. Others
differentiate within the bone marrow in mammals, or the bursa of Fabricius in birds, to produce B cells.
Mature T and B cells circulate in the blood and lymph and colonize the T and B cell compartments
of the lymphoid tissues
Management of premature ventricular complexes
Isolated monomorphic premature ventricular complexes (PVCs) without
structural heart disease are generally benign.
► Frequent PVCs can cause reversible cardiomyopathy or aggravate an existing
cardiomyopathy.
► Short coupled PVCs can trigger sustained ventricular fibrillation. These are
often from the Purkinje tissue or rarely the outflow tract.
► Beta blockers are considered first-line therapy but have low efficacy.
Catheter ablation and AADs are reasonable to suppress PVCs in appropriate
patients.
► Ablation is often curative and success depends on location and accessibility
of PVCs.
► Implantable defibrillators are reasonable in patients at higher risk of sudden
cardiac death.
Hemodynamics for the heart failure
This article reviews the role of invasive hemodynamics in the care of patients across the
entire spectrum of human heart failure.
Conceptual principles of ventricular function, ventricular-arterial interaction, load
response, and ventricular interaction in the right and left heart are reviewed.
Principles and practice of invasive exercise testing are provided, along with detailed
discussions on the role of invasive hemodynamics in the evaluation and management of
advanced heart failure, shock, mechanical circulatory support, and pulmonary
hypertension.
Bifurcation stenting
Significant unprotected left main (LM) coronary artery disease is present in <10% of patients undergoing coronary angiography. In autopsy research, a mean LM length of 10.8 mm ± 5.2 mm (range 2–23 mm), mean LM diameter 4.9 mm ± 0.8 mm and mean angle between the left anterior descending (LAD) and left circumflex (LCx) of 86.7° ± 28.8° has been described. This angle value positively correlated with LM length.2 Further studies showed that long LM developed stenoses more frequently near the distal bifurcation compared to near the ostium (77% versus 18%).7 It is also worth emphasising that LM bifurcation disease is rarely focal and that both sides of the carina are almost never disease-free. Furthermore, continuous plaque from the LM into the proximal LAD artery has been reported in 90% of cases.8 Summarised below are the most crucial LM peculiarities (in comparison with non-LM bifurcations), which should be taken into consideration when distal LM stenosis PCI is planned:
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Novas diretrizes da OMS para os cuidados perinatais de mais qualidadeProf. Marcus Renato de Carvalho
Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
É fornecido um conjunto abrangente de recomendações para cuidados durante o período puerperal, com ênfase nos cuidados essenciais que todas as mulheres e recém-nascidos devem receber, e com a devida atenção à qualidade dos cuidados; isto é, a entrega e a experiência do cuidado recebido. Estas diretrizes atualizam e ampliam as recomendações da OMS de 2014 sobre cuidados pós-natais da mãe e do recém-nascido e complementam as atuais diretrizes da OMS sobre a gestão de complicações pós-natais.
O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
Vamos discutir essas recomendações no nosso curso de pós-graduação em Aleitamento no Instituto Ciclos.
Esta publicação só está disponível em inglês até o momento.
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www.agostodourado.com
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journey
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
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Flu Vaccine Alert in Bangalore Karnataka
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
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