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Table 2 PAVM and embolization chracteristics of angiographically occluded and recanalized groups

From: Pulmonary arteriovenous malformation (PAVM) embolization: prediction of angiographically-confirmed recanalization according to PAVM Diameter changes on CT

Chracteristics Occluded group (n = 40) Recanalized group (n = 10) p value
Lobar location (%)    0.116
Right upper lobe 1 (2.5) 0  
Right middle lobe 13 (32.5) 2 (20)  
Right lower lobe 10 (25) 1 (10)  
Left upper lobe 3 (7.5) 4 (40)  
Left lower lobe 13 (32.5) 3 (30)  
Mean draining vein diameter (mm) 3.63 ± 1.16 (1.63–7.97) 2.89 ± 0.71 (1.94–4.33) 0.062
Mean feeding artery diameter (mm) 3.25 ± 0.79 (2.24–5.42) 2.86 ± 0.50 (1.90–3.61) 0.142
Mean venous sac diameter (mm) 5.47 ± 1.76 (3.11–9.88) 5.08 ± 1.46 (3.33–7.35) 0.530
Embolization location (%)    0.010
Venous sac to feeding artery 17 (42.5) 0  
Feeding artery 23 (57.5) 10 (100)  
Embolic materials (%)    0.011
AVP 23 (57.5)a 1 (10)b  
Coils 16 (40)a 9 (90)  
Angiography follow-up (day) 501.2 ± 482.2 (35-1366) 896.6 ± 460.7 (75-1366) 0.024
  1. Note: values presented as number (percentage) or mean ± standard deviation (range) where applicable
  2. AVP Amplatzer vascular plug; PAVM pulmonary arteriovenous malformation
  3. aOne lesion was embolized with both AVP and coils
  4. bAngiographically confirmed reperfusion