1 资料与方法
1.1 研究对象
1.2 患者随访
1.3 统计方法
2 结果
2.1 患者一般情况
表1 两组患者一般人口学特征及手术基本信息的比较Table 1 Comparison of demographic and surgical characteristics between two groups |
| Characteristics | Group | P value | |
| OM | ADM | ||
| Patient number | 14 | 13 | |
| Age/years, ${\bar x}$±s | 43.3±14.0 | 54.2±15.9 | 0.071 |
| BMI/(kg/m2), ${\bar x}$±s | 24.7±4.3 | 25.4±4.8 | 0.717 |
| Smoking history, n (%) | 3 (21.43) | 3 (23.08) | 0.946 |
| Alcohol use history, n (%) | 2 (14.29) | 0 (0) | 0.181 |
| Comorbidities, n (%) | |||
| Hypertension | 2 (14.29) | 1 (7.69) | 0.624 |
| Diabetes | 0 (0) | 3 (23.08) | 0.068 |
| Cardiovascular disease | 2 (14.29) | 0 (0) | 0.181 |
| Etiology, n (%) | 0.035 | ||
| Trauma | 2 (14.29) | 3 (23.08) | |
| Lichen sclerosus | 1 (7.14) | 5 (38.46) | |
| Iatrogenic | 5 (35.71) | 4 (30.77) | |
| Idiopathic | 6 (42.86) | 1 (7.69) | |
| Stricture site, n (%) | 0.149 | ||
| Anterior urethra | 14 (100.00) | 11 (84.62) | |
| Posterior urethra | 0 (0) | 1 (7.69) | |
| Entire urethra | 0 (0) | 1 (7.69) | |
| Stricture length/cm, median (min, max) | 4.5 (2.5, 9.0) | 5.0 (2.0, 14.0) | 0.555 |
| Prior surgeries, n (%) | 0.652 | ||
| 0 | 6 (42.86) | 4 (30.77) | |
| 1 | 1 (7.14) | 4 (30.77) | |
| 2 | 2 (14.29) | 2 (15.38) | |
| 3 | 0 (0) | 2 (15.38) | |
| 4 | 0 (0) | 0 (0) | |
| ≥5 | 5 (35.71) | 1 (7.69) | |
| Operative duration/min, median (min, max) | 160 (71, 221) | 134 (112, 274) | 0.065 |
OM, oral mucosa; ADM, acellular dermal matrix; BMI, body mass index; min, minimum; max, maximum. |
2.2 OM和ADM补片的安全性及疗效评价
表2 不同病因分型下两种修复术式临床疗效和安全性指标的比较Table 2 Comparison of clinical efficacy and safety between two surgical repair grafts across etiological subtypes |
| Etiology (n) | Group (n) | Restricture rate, n (%) | Median restricture time/months | Complication (n) |
| Trauma (5) | OM (2) | 1 (50.0) | 3 | Oral pain (1) |
| ADM (3) | 1 (33.3) | 6 | ||
| Lichen sclerosus (6) | OM (1) | 0 (0) | ||
| ADM (5) | 3 (60.0) | 6 | Postoperative infection (1) | |
| Iatrogenic (9) | OM (5) | 3 (60.0) | 3 | Dysgeusia (1) |
| ADM (4) | 2 (50.0) | 4.5 | ||
| Idiopathic (7) | OM (6) | 3 (50.0) | 3 | Sexual dysfunction (3) |
| ADM (1) | 0 (0) |
OM, oral mucosa; ADM, acellular dermal matrix. |
表3 两组患者随访指标的比较Table 3 Comparative analysis of follow-up indicators between two groups |
| Indicators | Group | P value | |
| OM | ADM | ||
| Preoperative QoL, median (min, max) | 5.0 (5.0, 6.0) | 6.0 (4.0, 6.0) | 0.275 |
| Preoperative IPSS, median (min, max) | 20.5 (9.0, 31.0) | 20.0 (15.0, 32.0) | 0.800 |
| Catheterization duration/months, median (min, max) | 1.5 (1.0, 6.0) | 3.0 (1.0, 3.0) | 0.018 |
| Restricture rate, n (%) | 7 (50.00) | 6 (46.15) | 0.867 |
| Restricture time/months, median (min, max) | 2.5 (1.3, 8.0) | 5.0 (1.5, 12.0) | 0.163 |
| Postoperative QoL, median (min, max) | 1.0 (0, 5.0) | 1.0 (0, 5.0) | 0.358 |
| Postoperative IPSS, median (min, max) | 5.5 (3.0, 14.0) | 7.0 (2.0, 14.0) | 0.547 |
M, oral mucosa; ADM, acellular dermal matrix; QoL, quality of life; IPSS, international prostate symptom score; min, minimum; max, maximum. |