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Table 2 Details in patients with central venous obstructions and anatomic anomalies

From: Prevalence of venous obstructions in (recurrent) venous thromboembolism: a case-control study

Recurrent VTE
N = 32 		No recurrent VTE
N = 24 		Total
N = 56
6 (18.8) 5 (20.8) 11 (19.6)
Anatomic anomalies
 #1 Duplication of the VP, fibrosis of the VF #1 Aneurysm VP  
 #2 Duplication of the VF #2 Duplication and fibrosis of the VF  
Central venous obstructions
 #3 Extraluminal compression: CIV and EIV #3 Extraluminal compression: ICVir and CIV  
 #4 Extraluminal compression: CIVa #4 Extraluminal compression: ICVir and CIV  
 #5 Extraluminal compression: ICVir and CIVb #5 Extraluminal compression: CIVc  
 #6 Extraluminal compression: CIVc    
  1. Data are n (%)
  2. ICVir Inferior caval vein, infra renal, CIV Common iliac vein, EIV External iliac vein, FV Femoral vein, PV Popliteal vein, VTE Venous thrombo-embolism
  3. None of the variables mentioned in this table showed statistical significant difference between groups
  4. Venous obstruction is defined as either extraluminal compression (e.g. due to May-Thurner Syndrome, adjacent anatomical structures, pelvic tumour) or the presence of anatomical anomalies (e.g. agenesis, hypoplasia, aneurysms, anatomical variances, and duplications) that might negatively influence the central venous flow
  5. a Extraluminal compression caused by spondylosis
  6. b Extraluminal compression caused by the left iliac artery
  7. c Extraluminal compression caused by May Thurner Syndrome (compression by the right iliac artery)
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Thrombosis Journal

ISSN: 1477-9560

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