This document discusses preoperative evaluation and clinical evaluation for facelift surgery. It explores patient motivations and potential contraindications like diabetes or smoking. Ideal candidates are described as having elastic skin and good bone structure. The anatomy of the superficial musculoaponeurotic system (SMAS) is explained in detail. Various facelift techniques are outlined like subcutaneous lift, SMAS lift, and deep-plane lift. Incision sites, platysma muscle positioning, and suturing techniques are shown. Potential complications of facelift surgery are also listed.
MACS-Facelift (Minimal Access Cranial Suspension) is a procedure that leaves you looking fresher and youthful. People may not notice that you have had surgery, just that you look refreshed. The MACS-Lift helps to remove excessive jowling around the chin, deep creases that appear between your nose and mouth, and restores the outline of the jaw. The MACS-Lift is less invasive than other facelift procedures and leaves a shorter scar. This type of facelift will lift and hold up sagging tissues in the neck, cheeks, chin, or near the nose with suspension sutures in the deeper tissues. This operation is done on an outpatient basis while you are under local anesthesia.MACS FaceLift provides natural rejuvenation with shorter operative time, quicker recovery, and less potential for complications compared with traditional face lifts. Fat grafting and Blepharoplasty can enhance the final result.
MACS-Facelift (Minimal Access Cranial Suspension) is a procedure that leaves you looking fresher and youthful. People may not notice that you have had surgery, just that you look refreshed. The MACS-Lift helps to remove excessive jowling around the chin, deep creases that appear between your nose and mouth, and restores the outline of the jaw. The MACS-Lift is less invasive than other facelift procedures and leaves a shorter scar. This type of facelift will lift and hold up sagging tissues in the neck, cheeks, chin, or near the nose with suspension sutures in the deeper tissues. This operation is done on an outpatient basis while you are under local anesthesia.MACS FaceLift provides natural rejuvenation with shorter operative time, quicker recovery, and less potential for complications compared with traditional face lifts. Fat grafting and Blepharoplasty can enhance the final result.
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A flap is a unit of tissue that is transferred from one site (donor site) to another (recipient site) while maintaining its own blood supply or from a anastomised vessel.
Flaps come in many different shapes and forms. They range from simple advancements of skin to composites of many different types of tissue
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Micro vascular free flaps used in head and neck reconstruction /certified fi...Indian dental academy
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A flap is a unit of tissue that is transferred from one site (donor site) to another (recipient site) while maintaining its own blood supply or from a anastomised vessel.
Flaps come in many different shapes and forms. They range from simple advancements of skin to composites of many different types of tissue
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Lecture 3 Facial cosmetic surgery
Maxillofacial Surgery
Dental Students Fifth Year second semester
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Dr. Lama El Banna
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Cervicofacial liposuction in Oral and Maxillofacial SurgeryPunam Nagargoje
Liposuction is surgical aspiration of subcutaneous fat by use of a cannula attached to a vacuum pump.
one of the most commonly performed cosmetic procedures .
also referred to as liposculpture, lipoplasty, and suction-assisted lipectomy.
Not a Substitute for healthy lifestyle.
Helps to change body proportions.
History
Maliniak- described submental fat removal and neck contouring in early 1930s.
Davis- Curettes.
Schrudde- lipexeresis in 1972.
Illouz- lipolysis with saline & hyaluronidase.
Klein- Tumescent technique.
Procedure
Liposuction is devided in three steps;
1) Infusion
2)Evacuation
3)Post examination.
INFUSION
To achieve even removal of fat – accurate infusion of wetting solution.
Dilute lidocaine with epinephrine solution into fat is performed with infiltration cannulas and pumps.
Cannulas dimentions –
Diameter- from 1 – 3 mm.
Length – from 10- 30 cm.
Blunt tip
EVACUATION
Through Small access incisions fat is removed.
Efficiency of a cannula determined by three features:
Configuration
Diameter
Length.
Configuration of cannula
Shape of distal tip of the cannula and
the number , configuration and
position of apertures
affect the efficacy and speed of liposuction
Multiple openings;
Area from which fat can be removed.
shearing of fat.
speed of evacuation.
Result in less trauma.
Diameter of cannula
Commonly used cannulas range from 1.8 to 5 mm.
Small diameter;
1) minimal tissue resistance
2) slower fat evacuation.
- Useful for fine , precise fat removal .
Large diameter;
1) increased efficiency of evacuation
2)increased tissue resistance.
- Useful for deeper and larger fatty deposits.
Cannula length
Most commonly used cannulas are 18 to 23 cm.
Shorter cannulas;
1)10 to 14 cm in length
- are generally used in the face , neck , calves & ankles.
Longer cannula;
- provide access to distant areas with fewer incisions.
SUCTION DEVICES
Syringe system.
Power assisted liposuction.
Ultrasonic assisted liposuction.
Laser assisted liposuction.
Hand held syringe:-
1)good for use in head and neck surgery owing to their low cost, portability, & ease of handling.
2) provide an efficient technique for precise contouring of irregularities secondary to cervicofacial adiposity.
Suction unit:-
-Are useful for closed and open liposuction techniques.
-Provide continuous vaccum & are most useful for removing large amounts of fat or defating a flap
Patient Evaulation
history is explored in detail mainly
- body weight history
- exercise patterens
- eating disorders
Medication intake; medication allergies.
The patient's goals should be understood.
Explanation of the procedure, its risks, alternatives, benefits, and convalescence should be explained.
Consent is obtained.
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This presentation represent our extensive experience in preserving both sensation and lactation functions when operating to reduce the size of thee huge breasts ..technique, examples and complications will be presented.
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Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
There are a number of conditions that present acutely, predominantly with pain and/or swelling
A careful and detailed history and examination, and in some cases, investigations allow differentiation between these diagnoses. A prompt diagnosis is essential as the patient may require urgent surgical intervention
Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
Testicular torsion results from inadequate fixation of the testis to the tunica vaginalis producing ischemia from reduced arterial inflow and venous outflow obstruction.
The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
It surrounds the urethra just below the urinary bladder. It has anterior, median, posterior and two lateral lobes
It’s work is regulated by androgens which are responsible for male sex characteristics
Generalised disease of the prostate due to hormonal derangement which leads to non malignant enlargement of the gland (increase in the number of epithelial cells and stromal tissue)to cause compression of the urethra leading to symptoms (LUTS
Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
mortality, and public health costs than all illicit drugs combined. The
5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
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Lung Cancer: Artificial Intelligence, Synergetics, Complex System Analysis, S...Oleg Kshivets
RESULTS: Overall life span (LS) was 2252.1±1742.5 days and cumulative 5-year survival (5YS) reached 73.2%, 10 years – 64.8%, 20 years – 42.5%. 513 LCP lived more than 5 years (LS=3124.6±1525.6 days), 148 LCP – more than 10 years (LS=5054.4±1504.1 days).199 LCP died because of LC (LS=562.7±374.5 days). 5YS of LCP after bi/lobectomies was significantly superior in comparison with LCP after pneumonectomies (78.1% vs.63.7%, P=0.00001 by log-rank test). AT significantly improved 5YS (66.3% vs. 34.8%) (P=0.00000 by log-rank test) only for LCP with N1-2. Cox modeling displayed that 5YS of LCP significantly depended on: phase transition (PT) early-invasive LC in terms of synergetics, PT N0—N12, cell ratio factors (ratio between cancer cells- CC and blood cells subpopulations), G1-3, histology, glucose, AT, blood cell circuit, prothrombin index, heparin tolerance, recalcification time (P=0.000-0.038). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and PT early-invasive LC (rank=1), PT N0—N12 (rank=2), thrombocytes/CC (3), erythrocytes/CC (4), eosinophils/CC (5), healthy cells/CC (6), lymphocytes/CC (7), segmented neutrophils/CC (8), stick neutrophils/CC (9), monocytes/CC (10); leucocytes/CC (11). Correct prediction of 5YS was 100% by neural networks computing (area under ROC curve=1.0; error=0.0).
CONCLUSIONS: 5YS of LCP after radical procedures significantly depended on: 1) PT early-invasive cancer; 2) PT N0--N12; 3) cell ratio factors; 4) blood cell circuit; 5) biochemical factors; 6) hemostasis system; 7) AT; 8) LC characteristics; 9) LC cell dynamics; 10) surgery type: lobectomy/pneumonectomy; 11) anthropometric data. Optimal diagnosis and treatment strategies for LC are: 1) screening and early detection of LC; 2) availability of experienced thoracic surgeons because of complexity of radical procedures; 3) aggressive en block surgery and adequate lymph node dissection for completeness; 4) precise prediction; 5) adjuvant chemoimmunoradiotherapy for LCP with unfavorable prognosis.
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micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
9. SMAS
Facial nerve lies deep to the SMAS
Posteriorly, the SMAS fuses with the fascia overlying
the sternocleidomastoid muscle, but it is a distinct
layer superficial to the parotid fascia
Anterosuperiorly, the SMAS invests the facial
mimetic muscles of the mid-face (i.e., orbicularis
oculi, zygomatic major/minor, levator labii superioris)
the melolabial crease and upper lip
10.
11. Scalp
galea
Upper face
continuous with frontalis and
orbicularis oculi
Temporal region
temporoparietal fascia (superficial
temporal fascia)
Parotid region
dense fibrous layer overlying parotid
gland
Cheek
thin layer invests superficial mimetic
muscles
Lower face
continuous with platysma
11
15. Temporal branch is most
superficial
Crosses junction of anterior
1/3 and posterior 2/3 of
zygomatic arch
Above the arch it travels in
the temporoparietal fascia
to innervate frontalis and
orbicularis oculi
15
16. Platysma
Origin: clavicles and 1st
rib and 5 cm below the
angle of the mandible
Insertion: blends with
the SMAS and lip
depressors
16
52. MACS lift
Minimal access cranial suspension
Insicion is including skin fold of front of the ear and
following hairline
52
53. Suturing
First suture is going from deep temporalis fascia to
angle between the mandible and the neck.
Second suture is going from deep temporalis fascia to
cyrcle between the cheek . It is parallel with
nasolabial fold.
Third suture lift the lower eyelid and malar.
53