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Regional colon transit in patients with dys-synergic defaecation or slow transit in patients with constipation.

ABSTRACT: To differentiate dys-synergic defaecation (DD) from normal function and slow transit constipation (STC).The medical records of 1411 patients evaluated by a single gastroenterologist over a 16-year period at a tertiary medical centre were reviewed. DD was characterised by anorectal manometry and balloon expulsion test. There were 390 patients with DD, and 61 with STC without DD. Transit data from 211 healthy individuals served as controls. The primary endpoints were overall colonic transit (geometric centre) at 24 h and 48 h (GC24 and GC48). Regional transit was measured as ascending colon half-emptying time (AC t(1/2)) and residual content in descending rectosigmoid colon and stool (DRS).Age and body mass index were similar in the STC and DD groups. DD was associated with smaller perineal descent and a greater difference in rectoanal pressure than STC. Both STC and DD were associated with lower GC24 and GC48 and slower AC t(1/2) than controls. GC48 differentiated DD from healthy controls (p<0.001) and DD from STC (p=0.007). AC t(1/2) values differentiated healthy controls from DD (p=0.006) and STC (p<0.001) and were associated with constipation (DD vs STC, p=0.007). The regional content of DRS at 48 h discriminated DD from STC (AUC=0.82) and stool content at 48 h, increasing the odds for DD over STC (OR per 5% in stool 2.4, 95% CI 1.1 to 5.5, p=0.03).DD is associated with delayed overall colonic transit at 48 h and AC t(1/2) compared with healthy controls. Regional scintigraphic transit profiles differentiate DD from STC and facilitate identification of a subgroup of patients with constipation.

SUBMITTER: Nullens S

PROVIDER: S-EPMC3813955 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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Regional colon transit in patients with dys-synergic defaecation or slow transit in patients with constipation.

Nullens Sara S Nelsen Tyler T Camilleri Michael M Burton Duane D Eckert Deborah D Iturrino Johanna J Vazquez-Roque Maria M Zinsmeister Alan R AR

Gut 20111216 8

<h4>Objective</h4>To differentiate dys-synergic defaecation (DD) from normal function and slow transit constipation (STC).<h4>Methods</h4>The medical records of 1411 patients evaluated by a single gastroenterologist over a 16-year period at a tertiary medical centre were reviewed. DD was characterised by anorectal manometry and balloon expulsion test. There were 390 patients with DD, and 61 with STC without DD. Transit data from 211 healthy individuals served as controls. The primary endpoints w ...[more]

PMID: 22180057

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Project description:BackgroundAlthough transverse colon ptosis (TCP) is commonly diagnosed in patients with constipation, it has not attracted significant attention in the evaluation of constipation. Herein, we assessed the correlation between TCP-related radiological parameters and the severity of slow transit constipation (STC).MethodsThis study was a single-center retrospective cohort study, with participants enrolled between 2012 and 2020 in Zhongnan Hospital of Wuhan University, China. STC was diagnosed according to Rome IV criteria and results of colonic transit test (CTT); healthy volunteers were also recruited as controls. All participants were examined using abdominal X-rays (AXRs) to acquire the radiological parameters related to TCP. Among these parameters, the degree of TCP (DTCP) was defined as the vertical distance from the top of the splenic flexure to the lowest point of the reverse colon. The Wexner Constipation Score and Hospital Anxiety and Depression Scale were used to assess clinical severity. After multivariable linear regression, the correlations between radiological parameters and severity of STC were investigated. We also explored the differences in radiological parameters between the operation and the conservative group.ResultsThe study included 139 patients with STC and 125 healthy people in as the normal control (NC). Patients with STC probably had larger DTCPs than those in the NC group (242.27±25.86 vs. 93.00±32.57 mm; P<0.001). Pearson correlation analysis showed that TCP-related parameters were consistent with the symptom severity of STC [e.g., parameter DTCP was strongly correlated with Wexner Constipation Score, with a β coefficient (95% CI) of 8.63 (8.24-9.02), P<0.001]. Multivariable linear regression models showed that patients with a larger DTCP were more likely to undergo surgery (23.67; 95% CI: 1.40-45.94; P=0.04).ConclusionsTCP-related parameters, especially the DTCP, may serve as novel and feasible alternative indices for the assessment of STC. However, the potential value of DTCP in assisting the evaluation of STC needs to be confirmed in study with a larger sample size.

Dataset Information

Regional colon transit in patients with dys-synergic defaecation or slow transit in patients with constipation.

Publications

Regional colon transit in patients with dys-synergic defaecation or slow transit in patients with constipation.

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