Deep Vein Thrombosis Exam Questions and Answers 100% Correct A+ Pass

Deep Vein Thrombosis Exam Questions and Answers 100% Correct A+ Pass Who wrote the Incidence of DVT Following Surgery of the Foot and Ankle? - Answer- Solis 2002 How many patients had true DVT after foot and ankle surgery? How many were symptomatic? - Answer- 3.5% had true DVT. none were symptomatic How many patient's DVT progressed proximally? - Answer- None What were the risk factors Solis found that increased risk of DVT? - Answer- Immobilization, Age, tourniquet, and hindfoot surgery What was Solis final recommendation regarding those undergoing foot and ankle surgery? - Answer- DVT prophylaxis not indicated According to Wukich, what was the found rate of thromboembolism after foot and ankle surgery? - Answer- 1% (n=6k) What was Wukish recommendation for prophylaxis? - Answer- None routine needed Who wrote the ACFAS consensus on the use of prophylaxis for VTE? - Answer- Fleischer - Risk, prevention, and diagnosis of VTE disease in foot and ankle surgery and injuries requiring immobilization What two main pathological diseases are encompassed by VTED? - Answer- deep venous thrombosis and pulmonary ebolism Why is there no need for routine chemical prophylaxis for VTED in foot and ankle surgery or in injuries requiring immobilization? - Answer- Because the risk of bleeding outweighs the low incidence of serious VTED What are the 4 main factors associated with the greatest risk of VTE? - Answer- Hx of VTECurrent or recent cancerHypercoagulable stateProlonged LE immobilization What is the single most important risk factor for subsequent VTED event? - Answer- Personal history of VTED Which disease is the most pertinent of the hypercoagulable states and is Associated with 20% of all VTED events? - Answer- Factor V Leiden mutation VTED no longer present for those who have been in cancer remission for more than ____ months - Answer- 6 Patients older than ____ years of age were found to have a statistically significant greater risk of developing DVT - Answer- 60 Risk of VTED increases by ____% for each decade of life - Answer- 20% Prolonged limb immobilization longer than ___ weeks increases risk of VTED - Answer- 4 weeks Rigid immobilization of the limb, particularly ______ joint - drives increased risk for VTE - Answer- ankle When does limb immobilization require prophylaxis? - Answer- greater than 4 weeks why is ankle immobilization especially higher risk for VTE? - Answer- Because not using calf pump Why does general anesthesia have increased risk for VTE than regional? - Answer- Due to veins dilating with general anesthesia, leading to venous stasis Which injury has the highest risk of VTE? - Answer- Achilles rupture What is the drug of choice for VTED prophylaxis? - Answer- LMWH Discontinue HRT/oral contraceptives ____ weeks prior to surgery - Answer- 4 weeks What is the fatal complication of LMWH? - Answer- thrombocytopenia When should LMWH prophylaxis be started? - Answer- within 12-24 hrs of the surgery - no different between before or after surgery