07 November 2024 : Clinical Research
High-Resolution Anorectal Manometry and Balloon Expulsion Test Outcomes in Functional Constipation: A Comparative Study
Huihui Shi1ABCDEFG, Li Li1BCG, Ling Huang1ABCDE, Wenwen Xia2DEF, Maoling Zhu1ABC, Yan Zhao2ADEFG*DOI: 10.12659/MSM.944599
Med Sci Monit 2024; 30:e944599
Table 5 Comparison of high-resolution anorectal manometry results between patients with constipation showing positive and negative balloon expulsion test results.
| BET(+) | BET(−) | P value | |
|---|---|---|---|
| Anal resting pressure (mmHg) | 88.0 (67.7, 104.1) | 80.0 (61.6, 101.7) | 0.098 |
| Anal HPZ length (cm) | 3.6 (3.1, 4.1) | 3.5 (2.97, 3.9) | 0.084 |
| Anal pressure (mmHg) | 97.8 (67.9, 131.9) | 82.8 (60.1, 111.0) | |
| Anal relaxation (%) | 22.0 (12.0, 37.0) | 30.0 (16.8, 41.0) | |
| Rectal pressure (mmHg) | 40.9 (29.1, 56.6) | 47.1 (32.8, 67.6) | |
| Anal squeeze pressure (mmHg) | −55.0 (−86.05, −29.65) | −31.8 (−56.93, −11.18) | |
| Recto anal gradient (mmHg) | 205.5 (161.4, 256.45) | 205.2 (157.5, 250.9) | 0.675 |
| First sensation (mL) | 70 (50, 100) | 60 (50, 92.5) | 0.239 |
| Urge to defecate (ml) | 130.0 (90, 160) | 100 (80, 150) | |
| Maximum discomfort (ml) | 180 (130, 200) | 150 (120, 200) | |
| HPZ – high pressure zone; BE(+) – positive balloon expulsion test; BE(−) – negative balloon expulsion test. | |||