Jay J. Mamel

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BACKGROUND Heller myotomy has long been utilized for patients failing nonoperative management of achalasia. Videoscopy has been advocated to decrease the morbidity of Heller myotomy; however, few reports document outcome beyond 1 year after videoscopic Heller myotomy. PURPOSE To determine perioperative morbidity, relief of dysphagia, and the incidence of(More)
The development of an endoscopic procedure for the placement of a gastrostomy feeding tube has revived interest in the use of this technique for nutritional support. The medical literature has reported a considerable amount of experience which attests to its ease of placement and low incidence of complications associated with placement. The "push" and(More)
OBJECTIVE Sphincter of Oddi manometry (SOM) is a useful diagnostic procedure when evaluating patients with unexplained biliary pain or idiopathic recurrent pancreatitis. Acute pancreatitis is a recognized complication of SOM whose pathogenesis appears to be multifactoral. We conducted this study to determine the incidence of pancreatitis in patients after(More)
Eighteen opossums received 2250 rad60Co to the entire esophagus and lower esophageal sphincter. Animals received treatment with 600 mg aspirin, 25 mg/kg hydrocortisone, or saline before irradiation and twice daily for 1 week after irradiation. At 10 days postirradiation, animals were evaluated for signs of acute esophagitis by esophagoscopy and barium(More)
PEG tubes are used for decompression of the stomach or enteral feeding and are secured with bumpers. These bumpers may migrate. A patient with a stenotic ileostomy stoma is presented in whom migration of a PEG tube bumper resulted in an intermittent small bowel obstruction. Revision of the ileostomy stoma with removal of the bumper resolved the problem.(More)
Twenty-five opossums (Didelphis virginiana) were evaluated before irradiation by fiberoptic endoscopy and air-contrast barium esophagram examination. All animals received 2250 rad 60Co-irradiation in a single exposure to the entire esophagus and lower exophageal sphincter. Animals received treatment with indomethacin before and daily for 1 wk(More)
BACKGROUND Although rare, pancreaticobiliary disease during pregnancy can pose a serious risk to both the mother and fetus. Data regarding the relative safety of endoscopic retrograde cholangiopancreatography (ERCP) during pregnancy are sparse. METHODS We performed a retrospective review of 17 ERCP procedures performed at a single tertiary care referral(More)
BACKGROUND Abdominal wall metastasis after PEG tube placement has been reported in patients with head and neck cancer. The incidence of this occurrence is unknown. OBJECTIVE Evaluation of the incidence of abdominal wall metastasis as a complication of PEG tube placement in patients with head and neck cancer. DESIGN Retrospective chart review. SETTING(More)