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Does analgesia affect the diagnostic process in acute abdomen? a randomized clinical trial

Author(s): Ravari H. | Ghaemi M. | Vojdani A. | Khashayar P.

Journal: Tehran University Medical Journal
ISSN 1683-1764

Volume: 65;
Issue: 10;
Start page: 6;
Date: 2008;
Original page

Keywords: acute abdomen

Background: About one-forth of the patients admitted to the emergency department complain of acute abdominal pain. According to surgical records, most surgeons believe that pain relief for these patients may interfere with the clinical examinations and the final diagnoses. As a result, analgesics are withheld in patients with acute abdominal pain until the determination of a definite diagnosis and suitable management plan. The purpose of this study was to evaluate the effect of analgesics on the evaluation course and treatment in acute abdomen.Methods: Two hundred patients at a surgical emergency department with acute abdominal pain were enrolled in this prospective study and randomly divided into two groups at the time of admission. The case group consisted of 98 patients who received intravenous analgesia immediately after admission. The other 102 patients in the control group did not receive analgesia until a definite diagnosis was made. Diagnostic and therapeutic procedures were similar between the two groups. The primary and final diagnoses, and the time intervals between the admission and definite diagnosis, and that between admission and surgery were gathered and analyzed.Results: The mean time to definitive diagnosis was 1.7 and 2.04 hours in the case and control groups, respectively. There was no statistically significant relationship between analgesic use and gender, age, time to definite diagnosis, or accuracy of the diagnosis. In fact, the time required to achieve a definite diagnosis and the time between admission and surgery were less in the group that had received analgesics. Conclusions: In spite of the fact that analgesics remove the very symptoms that brings patients to the emergency room, appropriate use of analgesics does not reduce diagnostic efficiency for patients with acute abdominal pain.
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