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Normal Values and Associated Factors in Highresolution Anorectal Manometry in Healthy Vietnamese Adults / Valores normais e fatores associados na manometria anorretal de alta resolução em adultos vietnamitas saudáveis
Anh, Nguyen Ngoc; Tung, Le Dinh; Khoa, Ngo Xuan; Cuong, Le Manh; Hung, Nguyen Xuan; Hang, Nguyen Thi Thu; Khanh, Pham Phuc; Huy, Nguyen Van; Kien, Vu Duy.
  • Anh, Nguyen Ngoc; Hanoi Medical University. Hanoi. VN
  • Tung, Le Dinh; Hanoi Medical University. Hanoi. VN
  • Khoa, Ngo Xuan; Hanoi Medical University. Hanoi. VN
  • Cuong, Le Manh; National Hospital of Traditional Medicine. Hanoi. VN
  • Hung, Nguyen Xuan; Viet Duc Hospital. Hanoi. VN
  • Hang, Nguyen Thi Thu; Viet Duc Hospital. Hanoi. VN
  • Khanh, Pham Phuc; Viet Duc Hospital. Hanoi. VN
  • Huy, Nguyen Van; St. Lukes International University. Graduate School of Public Health. Tokyo. JP
  • Kien, Vu Duy; OnCare Medical Technology Company Limited. Hanoi. VN
J. coloproctol. (Rio J., Impr.) ; 41(1): 70-78, Jan.-Mar. 2021. tab
Article in English | LILACS | ID: biblio-1286965
ABSTRACT
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. Themean 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 32.4mL, 81.6mL, 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.
RESUMO
Resumo Introdução O presente estudo tem como objetivo identificar valores normais de manometria anorretal de alta resolução e fatores relacionados em adultos vietnamitas saudáveis. Métodos O presente estudo transversal foi conduzido no hospital Viet Duc, Hanói, Vietnã, durante abril e maio de 2019. Voluntários saudáveis foram recrutados para participar do estudo. Valores de medição anorretal, incluindo pressão do trato digestivo, foram registrados. Resultados Um total de 76 voluntários saudáveis foram recrutados. O comprimento funcional médio do canal anal foi de 4,2 ± 0,5 cm, enquanto o comprimento médio da zona anal de alta pressão foi de 3,4 ± 0,5 cm. O índice médio de defecação foi de 1,4 ± 0,8, com valores variando de 0,3 a 5,0. O volume limite médio para eliciar o reflexo inibitório retoanal (RAIR, sigla em inglês) foi de 18,1 mL. Os valores médios da sensação retal foram 32,4mL, 81,6mL e 159 mL para a primeira sensação, o desejo de defecar e a urgência de defecar, respectivamente. Os padrões dissinérgicos ocorreram em aproximadamente 50% dos participantes do estudo e incluíram principalmente os tipos I (27,6%) e III (14,6%). Houve diferenças significativas entre homens e mulheres na pressão de compressão anal máxima, pressão de tosse anal máxima, pressão de distensão anal máxima, pressão de tosse retal máxima e pressão de distensão retal máxima (todos p<0,01). Conclusões O presente estudo estabelece valores normais de HRAM em adultos vietnamitas saudáveis, particularmente no que diz respeito aos valores normais de pressão anorretal e sensação retal. Mais estudos que incluam tamanhos de amostra maiores devemser realizados a fim de confirmar melhor as constantes e suas relações.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Anal Canal / Manometry Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: J. coloproctol. (Rio J., Impr.) Journal subject: Cirurgia / Doen‡as Retais / Doen‡as do Colo / Gastroenterology / Cirurgia Year: 2021 Type: Article Affiliation country: Japan / Vietnam Institution/Affiliation country: Hanoi Medical University/VN / National Hospital of Traditional Medicine/VN / OnCare Medical Technology Company Limited/VN / St. Lukes International University/JP / Viet Duc Hospital/VN

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Full text: Available Index: LILACS (Americas) Main subject: Anal Canal / Manometry Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: J. coloproctol. (Rio J., Impr.) Journal subject: Cirurgia / Doen‡as Retais / Doen‡as do Colo / Gastroenterology / Cirurgia Year: 2021 Type: Article Affiliation country: Japan / Vietnam Institution/Affiliation country: Hanoi Medical University/VN / National Hospital of Traditional Medicine/VN / OnCare Medical Technology Company Limited/VN / St. Lukes International University/JP / Viet Duc Hospital/VN