scholarly journals Normal Values and Associated Factors in High-resolution Anorectal Manometry in Healthy Vietnamese Adults

2021 ◽  
Vol 41 (01) ◽  
pp. 070-078
Author(s):  
Nguyen Ngoc Anh ◽  
Le Dinh Tung ◽  
Ngo Xuan Khoa ◽  
Le Manh Cuong ◽  
Nguyen Xuan Hung ◽  
...  

Abstract Introduction The present study aims to identify normal high-resolution anorectal manometry (HRAM) values and related factors in healthy Vietnamese adults. Methods The present cross-sectional study was conducted at the Viet Duc hospital, Hanoi, Vietnam, during April and May 2019. Healthy volunteers were recruited to participate in the study. Anorectal measurement values from the digestive tract, including pressure, were recorded. Results A total of 76 healthy volunteers were recruited. The mean functional anal canal length was 4.2 ± 0.5 cm, while the mean anal high-pressure zone length was 3.4 ± 0.5 cm. The mean defecation index was 1.4 ± 0.8, with values ranging from 0.3 to 5.0. The mean threshold volume to elicit the rectoanal inhibitory reflex (RAIR) was 18.1 mL. The mean rectal sensation values were 32.4 mL, 81.6 mL, and 159 mL for first sensation, desire to defecate, and urge to defecate, respectively. Dyssynergic patterns occurred in ∼ 50% of the study participants and included mainly types I (27.6%) and III (14.6%). There were significant differences between male and female patients in terms of maximum anal squeeze pressure, maximum anal cough pressure, maximum anal strain pressure, maximum rectal cough pressure, and maximum rectal strain pressure (all p < 0.01). Conclusions The present study establishes normal HRAM values in healthy Vietnamese adults, particularly regarding normal values of anorectal pressure and rectal sensation. Further studies that include larger sample sizes should be conducted to further confirm the constants and their relationships.

2020 ◽  
Author(s):  
Nguyen Ngoc Anh ◽  
Le Dinh Tung ◽  
Ngo Xuan Khoa ◽  
Le Manh Cuong ◽  
Nguyen Xuan Hung ◽  
...  

Abstract Background This study aims to identify normal HRAM values and related factors in healthy Vietnamese adults. Methods This cross-sectional study was conducted at Viet Duc hospital, Hanoi, Vietnam, during April and May, 2019. Healthy volunteers were recruited to participate in the study. Anorectal measurement values including pressure and an electromyographical signal from the digestive tract were recorded. Differences between groups were analyzed using paired t-tests, and linear regression models was used to compare anorectal values between men and women. Results A total of the 76 healthy volunteers was recruited. The mean functional anal canal length was 4.2 ± 0.5 cm while the mean anal high-pressure zone (HPZ) length was 3.4 ± 0.5 cm. The mean defecation index was 1.4 ± 0.8, with values ranging from 0.3 to 5.0. The mean threshold volume to elicit RAIR was 18.1 mL. Mean rectal sensation values were 32.4 mL, 81.6 mL, and 159 mL at the first sensation, the desire to defecate, and the urge to defecate, respectively. Dyssynergic patterns occurred in approximately 50% of study participants and included mainly types I (27.6%) and III (14.6%). There were significant differences between males and females in maximum anal squeeze pressure, maximum anal cough pressure, maximum anal strain pressure, maximum rectal cough pressure, and maximum rectal strain pressure (all p < 0.01). Conclusions This study establishes normal HRAM values in healthy Vietnamese adults, particularly with regards to normal values of anorectal pressure and rectal sensation. Further studies that include larger sample sizes should be conducted in order to further confirm the constants and their relationships.


Gut ◽  
2012 ◽  
Vol 61 (Suppl 2) ◽  
pp. A298.2-A298
Author(s):  
J M Burke ◽  
W Jackson ◽  
M M Withers ◽  
H O'Grady ◽  
G S Duthie

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Le Manh Cuong ◽  
Ha Van Quyet ◽  
Tran Manh Hung ◽  
Nguyen Ngoc Anh ◽  
Tran Thu Ha ◽  
...  

Abstract Background High-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. Results Thirty 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. Conclusions This 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.


2014 ◽  
Vol 26 (5) ◽  
pp. 625-635 ◽  
Author(s):  
E. V. Carrington ◽  
A. Brokjaer ◽  
H. Craven ◽  
N. Zarate ◽  
E. J. Horrocks ◽  
...  

2014 ◽  
Vol 26 (9) ◽  
pp. 1358-1359 ◽  
Author(s):  
H. J. Lee ◽  
K. W. Jung ◽  
S. Han ◽  
S.-J. Myung

2014 ◽  
Vol 26 (9) ◽  
pp. 1356-1357 ◽  
Author(s):  
E. V. Carrington ◽  
U. Grossi ◽  
C. H. Knowles ◽  
S. M. Scott

2013 ◽  
Vol 144 (5) ◽  
pp. S-498-S-499
Author(s):  
Daniel Cisternas ◽  
Ingrid Marin ◽  
Jordi Serra ◽  
Ramiro Coello Jaramillo ◽  
Jose Remes-Troche ◽  
...  

2018 ◽  
Vol 55 (suppl 1) ◽  
pp. 41-46 ◽  
Author(s):  
Ricardo Guilherme VIEBIG ◽  
Janaina Tomiye Yamakata FRANCO ◽  
Sergio Viebig ARAUJO ◽  
Daniel GUALBERTO

ABSTRACT BACKGROUND: High resolution anorectal manometry (HRAM-WP) allows more simplified, objective, and uniform data acquisition and interpretation of the test results. OBJECTIVE: To validate a HRAM under water perfusion (Alacer Biomédica) with a 24-channel probe and to compare the results of anorectal manometry with other systems. METHODS: Individuals without critical evacuation disorders were selected. Patients with incontinence, anal surgery, dyssynergia or sphincter injury were excluded. The test was performed with an Alacer Biomédica 24 channel manometry system under water perfusion, with a probe configured with 6 levels of 4 radial channels, separated from each other by 0.8 mm. The mean pressures for the functional channel were determined, in states of rest (RMP), contention effort (CMP) and evacuation effort (EEMP). The pressure extension of the sphincter was also tabulated in cm. The results were compared with those available in recent literature. RESULTS: Fifty patients were studied (20 men; 30 women). Overall, the following results were obtained: the RMP was 76.9±3.0 mmHg, the CMP was 194.2±9.4 mmHg, and EEMP was 88.2±3.7 mmHg. When classified according to the gender, for men: RMP was 72.2±3.0 mmHg, CMP was 229.5±17 mmHg, and EEMP was 91.4±7.0. For women, RMP was 79.8±4.0 mmHg, CMP was 170.7±8, and EEMP was 86.1±4.3 mmHg. The sphincter gauge extension for both genders was 3.1±0.09 cm (men 3.3±0.1; women 3.0±0.1). DISCUSSION: Studying HRAM-WP has become much easier. Non-mobilization of the sensor causes less discomfort and artefacts with a lower assessment time. In this study, small differential values between both sexes during rest were observed, highlighting a greater containment force in men. No difference in sphincter extension was noted. The results of this study are consistent with that of existing reports and with those obtained using solid state probes. CONCLUSION: The perfusion system yielded results similar to that of solid state systems. Further studies to evaluate parameters with respect to pelvic dyssynergia and incontinence need to be conducted. Additionally, to determine if the vector volume can furnish new information in terms of functional and anatomical aspects.


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