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  • Title: Factors that predict relief from upper abdominal pain after cholecystectomy.
    Author: Thistle JL, Longstreth GF, Romero Y, Arora AS, Simonson JA, Diehl NN, Harmsen WS, Zinsmeister AR.
    Journal: Clin Gastroenterol Hepatol; 2011 Oct; 9(10):891-6. PubMed ID: 21699805.
    Abstract:
    BACKGROUND & AIMS: Upper abdominal pain (UAP) in patients with gallstones is often treated by cholecystectomy but it frequently persists. We aimed to identify symptoms associated with relief. METHODS: We followed 1008 patients who received cholecystectomy for gallstones and UAP at the Mayo Clinic (Rochester, Minnesota) or Kaiser Permanente (San Diego, California) for 12 months. A validated, self-completed biliary symptoms questionnaire identified features of UAP, gastroesophageal reflux disease (GERD), and irritable bowel syndrome (IBS); the questionnaire was given initially and 3 and 12 months after cholecystectomy, to identify features that predicted sustained relief of UAP. RESULTS: Five hundred ninety-four patients (59%) reported relief from UAP. Factors associated univariately (P < .05) with relief included frequency of UAP ≤1 per month, onset ≤1 year preoperatively, usual duration (30 minutes to 24 hours, most often in the evening or night), and severity >5/10. Compared to no features, multiple predictive features of UAP (frequency, onset, duration, or timing) were associated with increasing odds ratios (95% confidence interval) for relief: 1, 2, or 3 features (4.2 [1.1-16]; P = .03) and 4 features (6.3 [1.6-25]; P = .008). Negative univariate associations included lower abdominal pain (LAP), usual bowel pattern, nausea ≥1 per week, often feeling bloated or burpy, GERD, and/or IBS. There was an inverse association between relief and somatization; relief was not associated with postprandial UAP. Multivariable logistic regression analysis revealed independent associations (P < .05) with UAP frequency, onset, and nocturnal awakening, but inverse associations with lower abdominal pain, abnormal bowel pattern, and frequent bloated or burpy feelings. CONCLUSIONS: UAP features and concomitant GERD, IBS, and somatization determine the odds for relief from UAP after cholecystectomy.
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