This document discusses blood transfusion reactions that can occur in the ICU. It outlines various types of reactions including acute hemolytic transfusion reactions, anaphylactic reactions, febrile non-hemolytic reactions, transfusion-associated circulatory overload, transfusion-related acute lung injury, and urticarial reactions. It provides the frequencies of these reactions and definitions. Symptoms to watch out for are also defined. The key steps if a reaction is suspected include stopping the transfusion immediately, maintaining IV access, confirming the correct product, clinically assessing the patient, and involving the transfusion service.
This presentation aims to help medicine undergraduates and post graduates in the department of Pathology and Department of transfusion medicine for better understanding of various blood grouping systems, sub groups, RBC antigens and corresponding antibodies. It also covers the practical aspect of blood grouping and cross matching.
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This presentation aims to help medicine undergraduates and post graduates in the department of Pathology and Department of transfusion medicine for better understanding of various blood grouping systems, sub groups, RBC antigens and corresponding antibodies. It also covers the practical aspect of blood grouping and cross matching.
Fetal hemoglobin and rh incompatibilityrohini sane
A comprehensive presentation on fetal hemoglobin & Rh incompatibility for undergraduate medical, dental, biotechnology & pharmacology students for self-learning .Presentation has physical & chemical properties of fetal hemoglobin along with its function. Binding affinity for O₂ of HbF and oxygen dissociation curve for HbF elucidated with suitable diagrams. Molecular constitution of Embryonic Hb ( Grover I &Grover II )with electrophoretic patterns are presented here . Importance of Kleihauer staining for detection of fetal cells is described briefly.
Diagrammatic representation of Rh- incompatibility is done for complete understanding of the concept. Signs & symptoms Kernicterus are presented diagrammatically.
Direct and indirect Coomb’s Test for Rh- incompatibility for diagnosis of Erythroblastosis Fetalis is illustrated. Biochemical aspects of Hemolytic Disease of Newborn (HDN) and Physiological /Neonatal Jaundice are presented. Comparison of Causes & biochemical findings for Hemolytic Jaundice along hepatic and obstructive jaundice is done in this presentation.
Molecular mechanism involved in biosynthesis of Hb Bart and Hb H along with their electrophoretic patterns for their detection are illustrated.
Hereditary persistent fetal Hb( HPFH ) & Point mutations causing HPFH are described in lucid manner. Google images are used for intense impact of the subject.
D dimer test and sample collection procedure anjalatchi
Normally D-dimer levels are undetectable or detectable at very low levels, but they rise sharply when the body breaks down clots. D-dimer tests help in ruling out pulmonary embolisms in hospitalised Covid-19 patients
This presentation will throw light on transfusion reactions that are commonly observed in blood bank. These transfusion reactions are minor or allergic but sometime results in sever reactions and in severe cases may eventually leads to death of patient.
MR. MOHAMMAD TALAL AL JOHANY
RESPIRATORY THERAPIST
Meqaat Hospital Madina
POST TEST
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https://youtube.com/channel/UCUlJw6wef_dhQi3TXNTkn6g
OVID-19 Management experience
What we learned from bedside experience in COVID-19 treatment
Dr. Essam A. Salem, ICU Registrar, Meeqat GENERAL.HOSPITAL, Head OF ICU Unit Meeqat General Hospital
Hassan Mohamed Ali
Associate professor of anesthesia and pain management, Anesthesia department, Cairo University.
MB.B.ch, M Sc, M.D, FCAI, DESA
Meeqat General Hospital, Madinah Munawarah
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3. Transfusion of Blood products is common in ICU
40 percent patient receive one or more RBC transfusion in ICU
Hb < 7 to 8 gm/dl is indication in icu
Other products like FFP, PLATELETS ALSO USED IN SPECIFIC CASES
5. Frequency of reactions
• Urticaria- 1 to 3 percent
• FNHTR – 0.1 to 1 percent
• TACO - < 1 percent
• TRALI- < 0.01 percent
• Anaphylaxis – 1:20,000 to 1: 50,000
• AHTR- 1:76,000
• Sepsis – 1:50,000 for platelets and 1:5,000,000 RBCs
• Frequency too rare to calculate for primary hypotensive reactions
associated with ACE inhibitors, non-immune hemolysis an Air embolism.
6. definitions
• AHTR: life threatening reaction caused by acute intravascular
hemolysis of transfused rbc
• Caused by clerical error
• Tranfusion of product not intended for the recipient
• Treatment:
• Aggressive hydration
• And diuresis
7. • Anaphylactic transfusion reaction : Any allergic reaction other than
hives constitutes an anaphylactic transfusion reaction.
• Includes
• Angiodema, wheezing, and or hypotension.
• Occur in IgA deficient individuals
• management include; EPINEPHRINE, antihistamines and vasopressors
depending on the degree of allergic symptoms
8. FNHTR
• Common
• Fever usually accompanied by chills in absence of systemic symptoms
• Diagnosis of exclusion
• Most common cause is due to release of cytokines from white blood
cells in a product that has not been leukoreduced.
• Management: symptomatic .
9. Primary hypotensive reactions
• Rare
• Drop in BP
• Decrease by 30 mmHg systolic, diastolic or both
• Returns to normal once transfusion is stopped
• Most commonly reported with platelet transfusion
• Predisposing factors include ACE inhibitor use ,
• Rapidly reversible and generally do not require specific treatment
10. TACO
TACO is a form of pulmonary is a form of pulmonary edema due to volume
excess or circulatory overload
Occurs in patients receiving large volume of transfused product over short
period of time. Or in those with cardiovascular disease
Management:
Diuresis
Supplementary oxygen
Ventilatory support may rarely be required
11. Transfusion –associated sepsis
• Caused by transfusion of a product that contains a microorganism.
• Initial findings may include fever , chills and hypotension.
• Transfuson –associated sepsis may involve a large intravenous
inoculum which in the case of gram negative organisms could include
infusion of endotoxin.
• Treatment includes
• Broad-spectrum antibiotics and hemodynamic support.
12. Transfusion-related acute lung injury(TRALI)
• Life threatening form of acute lung injury that occurs when recipient
neutrophils are activated by the transfused product in an
appropriately primed pulmonary vasculature.
• Findings
• Fever , chills , respiratory distress
• Therapy is largely supportive and may include intubation and
Mechanical ventilation
13. Urticarial transfusion reaction
• Associated wit hives but no other allergic findings ( no wheezing,
angioedema, hypotension)
• Most common cause is antigen-antibody interaction that occurs
between patient and the product, commonly implicated antigens
include a number of donor serum proteins
• UTR is not a contraindication for continuing blood transfusion
• Antihistamines can be given.
14. mortality
• Rare event
• 0.6 per million to 2.3 per million
• Greatest number of deaths were TRALI and AHTR
• Fatal in decreasing order include TRALI, TACO, AHTR,SEPSIS AND
ANAPHYLAXIS.
15. When to suspect
• Most of the severe reactions occur within 15 minutes of transfusion
• Most common signs and symptoms are
• Fever 1 degree raise from baseline
• Chills
• Pruritus
• Urticaria
• More severe are respiratory distress, haemoglobinuria, loss of
consciousness, hypertension, hypotension, flank or back pain,
jaundice, abnormal bleeding or oliguria/anuria.
16. What to do
• Immediately stop the transfusion
• Save the remaining bag and tubing for potential analysis
• Maintain a patent iv line with normal saline
• Confirm the correct product was transfused to the intended patient based
on product labelling and patient identification. Also assess the product for
gross color changes or bubbles suggestive of bacterial contamination
• Assess the patient including symptoms of fever, respiratory distress, chest
pain, back pain, itching, angioedema, measure vital signs, perform a limited
examination guided by symptoms
• Contact the transfusion service to discuss the appropriated evaluation and
initial management
17. What does Laboratory do with samples
• Blood bank or laboratory will do a
• Clerical check
• Repeat ABO testing
• Visual check for hemolysis
• Direct antiglobulin ( coombs) test
18.
19. Summary and take home message
• Transfusion stopped immediately
• Patent intravenous line
• Confirmation of the correct product
• Clinical assessment
• Transfusion service involvement