Abstract
A prospective, randomized clinical trial has been conducted in 38 morbidly obese patients to compare jejunoileal bypass (19 patients) with gastric bypass (19 patients). At this point the patients have been followed up for periods of from 1 month to 2 years, and 12 patients in each surgical group have been observed for 6 months or longer after operation. There was one death among the 38 patients, a woman with a gastric bypass who developed a pulmonary embolus 22 days postoperatively. Gastric bypass resulted in somewhat greater weight loss than jejunoileal bypass. Although the follow-up period has been short, jejunoileal bypass has resulted in greater morbidity and expense to the patient than gastric bypass. In particular, gastric bypass did not cause progression of liver lesions in any of the 6 patients who had liver biopsies 1 year postoperatively, while jejunoileal bypass was associated with development of fatty metamorphosis in the liver of 3 patients after 1 year. The entry of new patients into the clinical trial has been discontinued because we believe there is sufficient evidence to indicate that gastric bypass is superior to jejunoileal bypass in the treatment of morbid obesity.
Résumé
Nous avons réalisé un essai clinique prospectif et randomisé destiné à comparer le court-circuit jéjunoiléal (19 cas) et le court-circuit gastrique (19 cas) comme traitement de l'obésité grave chez 38 patients. Actuellement, les malades ont été suivis pendant 1 mois à 2 ans et 12 patients dans chaque groupe ont pu être observés pendant plus de 6 mois après l'intervention. Il y eut un décès, une femme qui mourut d'embolie pulmonaire 22 jours après avoir subi un court-circuit gastrique. Le by-pass gastrique entraîne une perte de poids un peu plus importante que le court-circuit jéjuno-iléal. Quoique la période d'observation soit courte, il apparaît que les courtcircuits jéjuno-iléaux sont grevés d'une plus grande morbidité que les by-pass gastriques. En particulier, le by-pass gastrique n'a pas entraîné de progression des lésions hépatiques chez les 6 malades qui ont subi une biopsie hépatique un an après l'intervention alors que le by-pass jéjuno-iléal s'est accompagné de métamorphose graisseuse chez 3 patients au bout d'un an. Nous avons arrêté cet essai thérapeutique contrôlé parce que nous croyons qu'il existe des preuves suffisantes de la supériorité du by-pass gastrique dans le traitement de l'obésité grave.
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Supported by Public Health Service Research Grant No. RR-46, from the General Clinical Research Centers Branch of the Division of Research Resources.
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Buckwalter, J.A. A prospective comparison of the jejunoileal and gastric bypass operations for morbid obesity. World J. Surg. 1, 757–766 (1977). https://doi.org/10.1007/BF01555933
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DOI: https://doi.org/10.1007/BF01555933