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Sökning: L773:1097 6779

  • Resultat 21-27 av 27
  • Föregående 12[3]
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21.
  • Spada, Cristiano, et al. (författare)
  • Second-generation colon capsule endoscopy compared with colonoscopy
  • 2011
  • Ingår i: Gastrointestinal Endoscopy. - Mosby. - 1097-6779. ; 74:3, s. 581-589
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Colon capsule endoscopy (CCE) represents a noninvasive technology that allows visualization of the colon without requiring sedation and air insufflation. A second-generation colon capsule endoscopy system (PillCam Colon 2) (CCE-2) was developed to increase sensitivity for colorectal polyp detection compared with the first-generation system. Objective: To assess the feasibility, accuracy, and safety of CCE-2 in a head-to-head comparison with colonoscopy. Design and Setting: Prospective, multicenter trial including 8 European sites. Patients: This study involved 117 patients (mean age 60 years). Data from 109 patients were analyzed. Intervention: CCE-2 was prospectively compared with conventional colonoscopy as the criterion standard for the detection of colorectal polyps that are >= 6 mm or masses in a cohort of patients at average or increased risk of colorectal neoplasia. Colonoscopy was independently performed within 10 hours after capsule ingestion or on the next day. Main Outcome Measurements: CCE-2 sensitivity and specificity for detecting patients with polyps >= 6 mm and >= 10 mm were assessed. Capsule-positive but colonoscopy-negative cases were counted as false positive. Capsule excretion rate, level of bowel preparation, and rate of adverse events also were assessed. Results: Per-patient CCE-2 sensitivity for polyps >= 6 mm and >= 10 mm was 84% and 88%, with specificities of 64% and 95%, respectively. All 3 invasive carcinomas were detected by CCE-2. The capsule excretion rate was 88% within 10 hours. Overall colon cleanliness for CCE-2 was adequate in 81% of patients. Limitations: Not unblinding the CCE-2 results at colonoscopy; heterogenous patient population; nonconsecutive patients. Conclusion: In this European, multicenter study, CCE-2 appeared to have a high sensitivity for the detection of clinically relevant polypoicl lesions, and it might be considered an adequate tool for colorectal imaging. (Gastrointest Enclose 201174:581-9.)
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24.
  • Toth, Ervin, et al. (författare)
  • Evaluation of gastric acid secretion at endoscopy with a modified Congo red test.
  • 2002
  • Ingår i: Gastrointestinal Endoscopy. - Mosby. - 1097-6779. ; 56:2, s. 254-259
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Markedly decreased or absent gastric acid production is associated with a number of clinically significant conditions, and identification of patients with hypo/achlorhydria may be important. However, current methods of assessing impaired acid secretion are unreliable, time-consuming, and/or complex. The aim of this prospective study was to evaluate a modified endoscopic Congo red test for the diagnosis of hypo/achlorhydria by correlation with a standard gastric acid secretory test. METHODS: One hundred six consecutive outpatients with or without dyspeptic symptoms referred for endoscopy were evaluated by using a modified endoscopic Congo red test and a standard test of gastric acid secretion. The modified endoscopic Congo red test suggested hypo/achlorhydria when there was no color shift or a shift of small extent (less than one third of fundic mucosa). Hypo/achlorhydria by the standard gastric acid secretory test was defined as a maximal acid output of less than 6.9 mmol/hour in men and 5.0 mmol/hour in women. RESULTS: The accuracy of the modified endoscopic Congo red test for the diagnosis of hypo/achlorhydria was 0.98 (95% CI [0.93, 0.99]). The sensitivity was 1.0 (95% CI [0.92, 1.00]) and specificity 0.96 (95% CI [0.88, 0.99]). All patients tolerated the modified endoscopic Congo red test well. CONCLUSION: The modified endoscopic Congo red is an accurate, simple, fast, inexpensive, and well-tolerated chromoendoscopic method for identification of patients with hypo/achlorhydria during routine upper endoscopy.
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  • Tsolakis, Apostolos V., et al. (författare)
  • Clinical prediction rule to determine the need for repeat ERCP after endoscopic treatment of postsurgical bile leaks
  • 2017
  • Ingår i: Gastrointestinal Endoscopy. - MOSBY-ELSEVIER. - 0016-5107 .- 1097-6779. ; 85:5, s. 1047-1056
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background and Aims: In patients who have undergone ERCP with biliary stenting for postsurgical bile leaks, the optimal method (ERCP or gastroscopy) and timing of stent removal is controversial. We developed a clinical prediction rule to identify cases in which a repeat ERCP is unnecessary.</p><p>Methods: Population-based study of all patients who underwent ERCP for management of surgically induced bile leaks between 2000 and 2012. Multivariate and binary recursive partitioning analyses were performed to generate a rule predicting the absence of biliary pathology on repeat endoscopic evaluation.</p><p>Results: A total of 259 patients were included. On multivariate analysis, postsurgical normal alkaline phosphatase (ALP; OR, 2.26; 95% CI, 1.03-4.99), time from surgery to first ERCP &lt; 8 days (OR, 2.47; 95% CI, 1.15-5.31), and minor leak with no other pathology on initial ERCP (OR, 6.74; 95% CI, 1.75-25.89) were independently associated with the absence of persistent bile leak and other pathology on repeat ERCP. The derived rule included laparoscopic cholecystectomy, normal postsurgical ALP, minor leak with no other pathology on initial ERCP, and an interval from initial to repeat ERCP between 4 and 8 weeks. When all 4 criteria were met, the rule had a sensitivity of 94% (95% CI, 83%-99%) and a negative predictive value of 93% (95% CI, 81%-99%). Optimism-adjusted sensitivity and negative predictive value were 88% (95% CI, 76%-96%) and 86% (95% CI, 73%-96%), respectively.</p><p>Conclusions: This clinical decision rule identifies patients who can have their biliary stents removed via gastroscopy, which may improve patient safety and healthcare utilization.</p>
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