Abstract
BackgroundHigh-resolution anorectal manometry (HRAM) has been developed to improve measurement of anorectal functions. This study aims to identify normal HRAM values in healthy young Vietnamese adults.Methods We conducted a cross-sectional study at the National Hospital of Traditional Medicine (Hanoi, Vietnam) from July through December 2014. Healthy young adults were invited to participate in the study. All anorectal measurement values were performed using the ISOLAB high-resolution manometry system. Differences between groups were analyzed using Student’s t-tests.ResultsThirty healthy young adults, including 15 males and 15 females aged 19–26 years, were recruited. Mean functional anal canal length was 3.4 ± 0.5 cm (range: 2.4–4.8 mm). Mean maximum resting pressure, mean maximum squeezing pressure, mean maximum coughing pressure, and mean maximum strain pressure were 65.5, 168.0, 125.9, and 84.2 mm Hg, respectively. All anal pressure values were significantly different between males and females. For rectal sensation measurements, only the volume at first sensation was significantly higher in males than in females.ConclusionsThis study provides normal HRAM value for healthy young adults in Vietnam. Sex may influence anal pressure and first rectal sensation values in this cohort. Further studies should be conducted in order to improve the quality of HRAM normal values and to confirm the effects of sex.
Highlights
Anorectal manometry (ARM) is considered a leading method for describing anal and rectal functions [1, 2]
The aim of this study is to identify normal High-resolution anorectal manometry (HRAM) values in healthy young Vietnamese adults
This study was implemented from July through December 2014 as part of a larger research project investigating the use of doppler-guided transanal hemorrhoidal dearterialization (THD) in treating patients with hemorrhoid disease grades III and IV
Summary
Anorectal manometry (ARM) is considered a leading method for describing anal and rectal functions [1, 2]. ARM measurements include functional anal canal length, anal pressure, defecation index, rectoanal inhibitory reflex (RAIR), and rectal sensation values, which, together, provide a description of comprehensive. HRAM can aid in the detection of common anorectal disorders including fecal incontinence, constipation, and Hirschsprung’s disease [2]. HRAM values are suspected to fluctuate, affecting diagnosis in several anorectal diseases. It is necessary to determine baseline HRAM values in healthy people to be used in comparison with values from anorectal patients. There are no known studies regarding HRAM values in healthy people. There are no known studies investigating HRAM values in healthy young adults. This study aims to identify normal HRAM values in healthy young Vietnamese adults
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