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Endoscopy 2007; 39(7): 606-612
DOI: 10.1055/s-2007-966640
Original article

© Georg Thieme Verlag KG Stuttgart · New York

Prospective multicenter trial of capsule endoscopy in patients with chronic abdominal pain, diarrhea and other signs and symptoms (CEDAP-Plus Study)

A.  May1 , H.  Manner1 , M.  Schneider1 , A.  Ipsen1 , C.  Ell 1
  • 1Department of Medicine II, HSK Wiesbaden (Teaching Hospital of the University of Mainz), Wiesbaden, Germany
Further Information

Publication History

submitted 18 January 2007

accepted after revision 29 March 2007

Publication Date:
05 July 2007 (online)

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Commentaire de travail de A. May et al., pp. 606Endoscopy 2007; 39(07): 757-758
DOI: 10.1055/s-0032-1306952

Background: On the basis of the published data, capsule endoscopy cannot be recommended in patients whose only symptom is chronic abdominal pain. The present study therefore focused on the diagnostic yield of capsule endoscopy in patients with chronic abdominal pain who were also suffering from additional symptoms.

Patients and methods: A total of 50 patients with chronic abdominal pain, plus other symptoms singly or in combination were enrolled in this prospective multicenter trial. The “plus” symptoms or signs consisted of weight loss (> 10 % of body weight), inflammation shown by laboratory tests, chronic anemia, or suspected mid-gastrointestinal bleeding. Chronic diarrhea was recorded if present, but patients did not qualify for the study if they had pain and diarrhea alone. Capsule endoscopy was carried out following a defined previous diagnostic work-up that had not revealed the cause of the patient’s symptoms. The capsule videos were assessed by two independent blinded investigators. The findings were classified as relevant, potentially relevant, or not relevant for explaining the symptoms, or else classified as normal.

Results: The capsule reached the cecum in 84 % of the patients (42 of 50). Relevant findings were discovered on capsule endoscopy in 36 % and 40 % of patients by the two investigators, and potentially relevant findings in 14 % and 24 % of patients. The additional symptom or sign of inflammation was associated with the highest diagnostic yield (odds ratio 3.2). The presence of more than one additional symptom did not increase the yield in our patient group. Two capsules (4 %) entrapped at previously unrecognized stenoses were removed endoscopically using push-and-pull enteroscopy (n = 1) or surgery (n = 1).

Conclusions: Strict patient selection on the basis of additional symptoms or signs is the key to increasing the yield of capsule endoscopy in patients with chronic abdominal pain. Inflammation seemed to be the additional sign with the highest value.

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1 CEDAP-Plus Study Group: J. Adolphs, M. Oeyen, Department of Internal Medicine, Attendorn; W. Fischbach, Department of Internal Medicine II, Aschaffenburg; W. E. Fleig, J. Albert, Department of Internal Medicine I, University of Halle; M. Khoury, Hof; W. Kruis, R. Hoffmann, Department of Internal Medicine, Kalk-Cologne; P. Layer, C. Fibbe, Department of Internal Medicine, Hamburg; G. Moog, Kassel; T. Rösch, Charite, University of Berlin; J. Schölmerich, H. Herfarth, Department of Internal Medicine I, University of Regensburg; T. Schneider, M. Farnbacher, Department of Internal Medicine, Fürth; J. von Schönfeld, D. Esser, Department of Internal Medicine, Bergisch-Gladbach; B. Wigginghaus, H. Bordel, Osnabrück; M. Zeitz, U. Wahnschaffe, Department of Internal Medicine I, Charite, University of Berlin; S. Faiss, Department of Internal Medicine III, Barmbek-Hamburg; N. Plum, L. Nachbar, Department of Medicine II, HSK Wiesbaden. (All institutions in Germany)

A. May, MD

Department of Internal Medicine II
HSK Wiesbaden (Teaching Hospital of Johannes Gutenberg University, Mainz)

Ludwig-Erhard-Straße 100
65199 Wiesbaden
Germany

Fax: +49-611-432418

Email: ADinahMay@aol.com

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