Table 1.
Baseline characteristics of 60 patients with stenosis after recanalization
| PTA alone (n = 40) | PTA + stent (n = 20) | |
| Demographic data | ||
| Male | 22 (55%) | 18 (90%) |
| Female | 18 (45%) | 2 (10%) |
| Age (yr)1 | 36 (14-68) | 37 (15-80) |
| Duration of symptoms | ||
| ≤ 1 mo | 7 (17.5%) | 4 (20%) |
| 1-6 mo | 6 (15%) | 6 (30%) |
| ≥ 6 mo | 27 (67.5%) | 10 (50%) |
| Clinical manifestations | ||
| Abdominal distention | 18 (45%) | 9 (45%) |
| Abdominal wall varicosis | 21 (52.5%) | 11 (55%) |
| Lower-extremity edema | 22 (55%) | 13 (65%) |
| Gastroesophageal variceal bleeding | 3 (7.5%) | 6 (30%) |
| Laboratory tests1 | ||
| Hemoglobin level (g/L) | 130 (65-180) | 134 (80-168) |
| Platelet count (× 109/L) | 105 (46-306) | 130 (33-209) |
| Alanine transaminase level (× ULN) | 0.6 (0.2-28) | 0.6 (0.2-13) |
| Albumin level (g/L) | 38 (22-50) | 36 (26-58) |
| Total bilirubin level (μmol/L) | 29 (11-132) | 29 (8-148) |
| International normalized ratio | 1.3 (1.0-1.9) | 1.4 (0.9-2.9) |
| Creatinine level (μmol/L) | 66 (41-254) | 79 (33-157) |
| Imaging features | ||
| Type of obstruction | ||
| HV | 8 (20%) | 1 (5%) |
| IVC | 5 (12.5%) | 6 (30%) |
| Com | 27 (67.5%) | 13 (65%) |
| Pattern of IVC obstruction | ||
| No obstruction | 8 (20%) | 1 (5%) |
| Membranous | 30 (75%) | 9 (45%) |
| Segmental | 2 (5%) | 2 (10%) |
| Long segmental | 0 (2.5%) | 8 (40%) |
| Ascites | 17 (42.5%) | 11 (55%) |
| AHV compensatory | 7 (17.5%) | 5 (25%) |
| IVC thrombosis | 11 (27.5%) | 11 (55%) |
| Prognostic index | ||
| Child-Pugh score1 | 7 (5-11) | 7 (5-11) |
| Child-Pugh class | ||
| A | 18 (45%) | 4 (20%) |
| B | 20 (50%) | 12 (60%) |
| C | 2 (5%) | 4 (20%) |
Except where indicated, data are shown as numbers of patients.
1
Data are medians with ranges in parentheses. ULN: Upper limit of normal; HV: Hepatic vein; IVC: Inferior vena cava; Com: Combination; AHV: Accessory hepatic vein.