Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Basic principles of vascular surgery Anatomy Physiology Pathology Pathophysiology Clinical presentation.History, physical exam. investigation management physiology Haemostasis vasoconstriction platelet aggregation Coagulation intrinsic, extrinsic Fibrinolysis Renin angiotensin system Vascular pathology Atherosclerosis: formation,flow placque effect, fate of the placque Risk factors Clinical sequelae : stenosis, occlusion, thrombosis, embolisation, aneurysm Vascular pathology 1-Trauma:RTA,falls, stabs, gun shot, sharps Iatrogenic DRUG ADDICT 2-Inflammatory: (VASCULITIS) Takayassaue, Kawasaki, Beurger Connective tissue (SLE, polyart. Nod., Rh. Art.,) 3-Spasmodic Reynauds dis., phenomenon 4-Conginetal malformation : venous, arterial AVM symptomatology Chief complaint, history of the present illness Peripheral vascular symptoms atherosclerosis risk factors Review of important systems Peripheral vascular symptoms Acute ischaemia Chronic ischaemia Infection Neuropathy Foot trauma/injury Syndromes amaurosis fugax, dysphagia lusoria, Leriche , TIA, CVA Atherosclerosis risk factors Nonmodifiable age , gender , family Modifiable stress D.M., Hypertension, Smoking Dyslipidaemia, obesity, Review of systems Cardiac Cerebral Renal Gastrointestinal Renovascular hypertension 10-20%of secondary hypertension Uncontrolled despite 2-3 meds Flash pul.oedema Hypokalaemia Captopril test Doppler US., MRA Angioplasty Examination Pulse, B.P., Edema Local inspection Colour elevation, dependency Skin trophic changes Driness, hair, nails, wasting venous filling Ulcers , Gangrene Ulcers def., types Gangrene infarction Necrosis Examination Palpation temp. pulses, cap. Filling Auscultation carotid , femoral Investigation Bood work, ECG, CXR Non invasive vascular lab ankle/brachial index exercise test , toe pressure doppler ultrasound Invasive angiography, CT, MRA Medical Management 1-Risk factors control 2-improve blood flow aspirin, pentoxyphylline clopidogrel, anticoagul. Aspirin mechanism of action Phosphlipids---arachidonic acid----(cyclooxygena)--endoperoxides: In plt. --------thromboxane(throm.synth) ATP-----ADP(plt aggreg.+vasocons) In blood vessel endoth. Endoperox.----prostacyclin(stimulate adenyl cyclase) ATP------cAMP(plt sgreg.+vasodil) -----5AMP Surgical management For rest pain, ulcers, gangrene Embolectomy , thrombectomy, Vascular reconstruction Endart.,repair, resection+interposition,Bypass Using saphenous vein (reverse/insitu)or PTFE Amputation toe, transmet., symes,BK,AK