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 3 Differences of high-resolution anorectal manometry results in healthy volunteers with different balloon expulsion test results.
| BET(+) | BET(−) | P value | |
|---|---|---|---|
| Anal resting pressure (mmHg) | 101.5 (71.5, 125.5) | 102.7 (73.4, 122.8) | 0.835 |
| Anal HPZ length (cm) | 3.2 (2.72, 3.48) | 3.1 (2.8–3.4) | 0.689 |
| Anal pressure (mmHg) | 93.9 (70.8, 110.4) | 69.0 (60.6, 79.2) | |
| Anal relaxation (%) | 23.0 (16.3, 35.5) | 29.0 (17.5, 39.9) | 0.327 |
| Rectal pressure (mmHg) | 36.1 (21.6, 57.5) | 43.4 (32.6, 61.1) | 0.228 |
| Anal squeeze pressure (mmHg) | −47.95 (−69.6, −34.7) | −21.9 (−37.9, −10.1) | 0.554 |
| Recto anal gradient (mmHg) | 235.6 (215.9, 328.4) | 229.8 (180.5, 294.2) | |
| First sensation (mL) | 65.0 (50.0, 97.5) | 50.0 (40.0, 65.0) | |
| Urge to defecate (ml) | 90.0 (80, 147.5) | 90.0 (75.0, 100) | 0.409 |
| Maximum discomfort (ml) | 150.0 (112.5, 200) | 110.0 (130, 150) | 0.139 |
| HPZ – high pressure zone; BE(+) – positive balloon expulsion test; BE(−) – negative balloon expulsion test. | |||