DVT post-op

Question 1

68 y.o. lady underwent total hip replacement for OA of left hip

operative procedure was uneventful

she noticed increasing pain and swelling in her calf 3 days follwoing surgery

clinical exam revealed swelling of the left leg and foot, but there is no colour change

(a) what is the dx?

Answer 1

DVT

Question 2

(b) name any 3 important causes in this lady’s case

Answer 2

1. major orthopaedic surgery in lower limb
2. immobilisation
3. older age

Question 3

(c) what are the 3 factors which influence venous thrombosis, known as Virchow’s triad?

Answer 3

1. endothelial dysfunction
2. turbulence of blood flow / stasis of blood
3. hypercoagulability

Question 4

(d) name any 2 prophylactic measures that are recommended to prevent this problem after total hip replacement

Answer 4

1. ted stockings
2. prophylactic subcutaneous heparin (half-dose in renal impairment)
3. early mobilisation

Question 5

(e) what is the most serious complication that can result from this problem?

Answer 5

PE