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1.
ANZ J Surg ; 93(6): 1480-1486, 2023 06.
Article in English | MEDLINE | ID: mdl-36757832

ABSTRACT

BACKGROUND: This study evaluates the risk of colorectal cancer (CRC) in patients with Irritable Bowel Syndrome (IBS). METHODS: A literature search was performed on MEDLINE, EMBASE, SCOPUS, and Google Scholar from inception to 31st January 2020 without any limitations on article type or language for studies reporting data on CRC on patients with IBS. A meta-analysis was performed to estimate the prevalence of CRC among patients with IBS. Data extraction was according to the PRISMA guidelines. The quality of the included studies was assessed according to the Newcastle Ottawa Scale. RESULTS: Twenty-one articles were eligible for data extraction and quantitative analysis. Of them, 11 were included in the meta-analysis (IBS n = 284 366, no-IBS n = 8 390 509). The pooled prevalence of CRC in patients with IBS was 0.96% (95% CI-0.184%-2.344%). The prevalence was lowest in the constipation-predominant IBS (pooled prevalence 1.126%. Patients with IBS-D and IBS-U had an equal pooled prevalence of CRC (2.49%). Eleven studies compared the prevalence of CRC in patients with IBS with a control population. The pooled OR was 2.8 (CI 2.305-3.294). CONCLUSIONS: There was an increased risk of CRC among patients diagnosed with IBS, primarily in the first year after IBS diagnosis. REGISTRATION: The review was registered on PROSPERO (CRD42021236707).


Subject(s)
Colorectal Neoplasms , Irritable Bowel Syndrome , Humans , Irritable Bowel Syndrome/complications , Irritable Bowel Syndrome/epidemiology , Prevalence , Colorectal Neoplasms/complications , Colorectal Neoplasms/epidemiology
2.
Neurogastroenterol Motil ; 34(9): e14342, 2022 09.
Article in English | MEDLINE | ID: mdl-35246890

ABSTRACT

BACKGROUND: Diagnosing anal incontinence (AI) based on manometry results is challenging due to the variation of the normal values and overlap between patients with and without AI. This study aimed to perform a systematic review on the difference in sphincter fatigability between patients with and without AI. METHODS: MEDLINE, EMBASE, SCOPUS, and Google Scholar were searched. Studies were included if they included adult patients and assessed anal sphincter fatigability between using manometry. The effect size was estimated as the standardized mean difference (SMD) with 95% confidence intervals. A random-effects model was used. RESULTS: The database searches identified 125 unique articles, and five additional articles were identified from the reference list of articles. One hundred thirteen were excluded through title and abstract review. Nine articles were included in the final analysis. There was no statistically significant difference in the resting pressure between the two groups. Patients with AI had significantly lower squeeze pressure. There was no statistically significant difference between the groups in the fatigue rate. The FRI was significantly lower in patients with AI (SMD 1.636, p = 0.001). Approximately a third of the patients in one study were able to maintain a contraction for 20s without reducing pressure. There was significant heterogeneity in the studies. The data available were inadequate for more robust calculations. CONCLUSIONS: Sphincter fatigability, measured by the Fatigability Rate Index, has good discriminating power for anal incontinence. A standardized protocol needs to be followed by future researchers. Graphical Abstract The analysis used six studies with 413 patients to compare Fatigue Rate Index between patients with AI and controls. All studies reported a lower FRI in patients with incontinence and the FRI was significantly lower in patients with AI (standardized mean difference [SMD] 1.636, p= 0.001). Conflicting results were reported on the correlation between FRI and AI symptom scores.


Subject(s)
Anal Canal , Fecal Incontinence , Adult , Fatigue , Humans , Manometry
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