IngentaConnect Effect of Tramadol and Morphine on Pain and Gastrointestinal Moto...

Authors: Wilder-Smith C.H.; Hill L.; Osler W.; O'Keefe S.

Source: Digestive Diseases and Sciences, Volume 44, Number 6, 1 June 1999 , pp. 1107-1116(10)

Publisher: Springer

Abstract:

Tramadol and morphine were compared for treatment of severe chronic pancreatitis pain and their interaction with gut motor function. Oral tramadol or morphine doses were titrated double-blinded and randomized for five days in 25 patients and pain, side effects, bowel function, orocecal and colonic transit, anal resting pressure, and rectal distension thresholds were measured. Pain intensities (mean ± SD, 0 = none, 100 = unbearable) before treatment and on day 4 were 75 ± 19 and 8 ± 13 with tramadol (P < 0.001), and 65 ± 21 and 5 ± 6 with morphine (P < 0.001). On day 4, 67% of patients with tramadol and 20% with morphine rated their analgesia as excellent (P < 0.001) with mean respective doses of 840 mg (range: 80-1920) and 238 mg (20-1125). Orocecal transit was unchanged after five days of tramadol, but increased with morphine (P < 0.05). More patients had prolonged colonic transit times with morphine by day 5 (P < 0.05). Rectal distension threshold pressures increased only with tramadol (P < 0.01). It is concluded tramadol and morphine are potent analgesics in severe chronic pancreatitis pain when individually titrated. Tramadol interfered significantly less with gastrointestinal function and was more often rated as an excellent analgesic than morphine.

Keywords: CHRONIC PANCREATITIS; OPIOIDS; GASTROINTESTINAL TRANSIT; ANALGESICS; MOTILITY

Language: English

Document Type: Regular paper

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Effect of Tramadol and Morphine on Pain and Gastrointestinal Motor Function in Patients with Chronic Pancreatitis