Chapter 156 - Chronic venous disorders Flashcards
Symptoms of postthrombotic syndrome
1) edema
2) pain
3) lipodermatosclerosis
4) venous ulceration
Rate of PTS in 2 year of DVT
20-50%
What percentage of leg thrombi resolve spontaneously
50%
Venous claudication symptoms
venous bursting thigh pain with exercise
Timing of PTS occurence
few months to 2 years
proportion of CVD from DVT
18-28%
Ipsilateral recurrent DVT increases risk of PTS by how much
630%
Rate of ulceration in PTS
5% at 10 years
Key determinants in terms of vein involvement in DVT in getting PTS
1) multiple segment
2) iliac involved
3) popliteal involved (3.5x increaes)
4) multiple calf vein
Association of PTS with risk factors
1) combined occlusive and reflux disease
2) longer TPA time at initial treatment
3) high PTS 1 month following acute DVT