Table 1.
Characteristics and outcomes of 65 patients on maintenance hemodialysis according to recurrence of Central venous occlusive disease.
| Variable | Total | rCVOD | Non-rCVOD | p |
|---|---|---|---|---|
| No. of patients | 65 | 32 | 33 | |
| Male no. (%) | 34 (52.3) | 20 (62.5) | 14 (42.4) | 0.105 |
| Age (year) | 61.5 ± 13.5 | 62.1 ± 11.0 | 60.9 ± 15.6 | 0.718 |
| Diabetes Mellitus no. (%) | 18 (27.7) | 8 (25.0) | 10 (30.3) | 0.633 |
| Coronary heart disease no. (%) | 22 (33.8) | 11 (34.4) | 11 (33.3) | 0.929 |
| Dialysis vintage (month) | 54.7 ± 39.1 | 63.1 ± 40.9 | 46.7 ± 35.9 | 0.091 |
| Hemoglobin (g/L) | 108.6 ± 17.4 | 111.6 ± 19.8 | 105.6 ± 14.5 | 0.166 |
| Albumin (g/L) | 42.8 (40.4–44.9) | 43.3 (42.2–45.0) | 41.4 (39.1–44.5) | 0.015 |
| Main vein of CVOD | 0.162 | |||
| subclavian vein no. (%) | 16 (24.6) | 11 (34.4) | 5 (15.2) | – |
| brachiocephalic vein no. (%) | 40 (61.5) | 18 (56.3) | 22 (66.7) | – |
| superior vena cava no. (%) | 9 (13.8) | 3 (9.4) | 6 (18.2) | – |
| Stent type no. (%) | ||||
| SMART bare metal stent | 29 (44.6) | 15 (46.9) | 14 (42.4) | 0.718 |
| Fluency covered metal stent | 37 (56.9) | 18 (56.3) | 19 (57.6) | 0.914 |
| CVS score | 8.0 (6.0–9.0) | 7.0 (5.5–9.0) | 8.0 (6.0–10.0) | 0.548 |
| VA abandonment no. (%) | 10 (15.4) | 6 (18.8) | 4 (12.1) | 0.692 |
| Cardiovascular death no. (%) | 6 (9.2) | 2 (6.3) | 4 (12.1) | 0.697 |
| All-cause death no. (%) | 17 (26.2) | 6 (18.8) | 11 (33.3) | 0.181 |
| Follow-up time (month) | 40.0 (20.0–54.0) | 48.0 (30.5–60.5) | 25.0 (15.0–51.0) | 0.013 |
Abbreviations: rCVOD: recurrence of central venous occlusive disease; CVOD, central venous occlusive disease; CVS, central vein stenosis; VA, vascular access; PPR, primary patency rate.