Background and Study Aims: The endoscopic hemostatic method has been introduced as a safe and effective mechanical approach to hemostasis for upper gastrointestinal bleeding related to Mallory-Weiss syndrome (MWS). However, the indications for when to use endoscopic treatment are debatable because many patients need only medical observation. The study was designed to evaluate the necessity and efficacy of endoscopic hemostasis in upper gastrointestinal bleeding related to MWS. Patients and Methods: From July 1994 to May 2000, we conducted a clinical trial in 76 patients who were found by endoscopy to have active bleeding (I, spurting; II, oozing), protruding visible vessels (III), and/or adherent clots (IV). Two study periods can be differentiated: in the first 3 years endoscopic treatment (n = 30) was prospectively analyzed and in the final 3 years medical treatment (n = 46) was analyzed in both cases to compare the outcome in MWS bleeding II-IV. In the first study period, in addition, endoscopic treatment was randomised to an injection method, using a mixture of hypertonic saline and epinephrine (HSE) (n = 14) and a hemoclipping or band ligation method (n = 16). Results: Rebleeding was observed in four of 14 patients who had received endoscopic hemostasis with HSE injection and one of 46 patients who had been managed with medical treatment. No rebleeding was found following hemoclipping or band ligation. While all rebleeding was in bleeding stigmata of the I (1) and II (4) grades, there was no rebleeding in protruding visible vessels (III) or in adherent clots (IV), regardless of treatment methods. Conclusions: Our results suggested that endoscopic hemostasis is not necessary in patients without active bleeding stigmata, and the mechanical hemostatic method is more effective than HSE injection in patients with active bleeding stigmata.
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