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In 10 patients operated on with jejunoileal anastomosis for obesity, rate and degree of weight loss showed no significant correlation to the following roentgenological parameters: gastric emptying time, small bowel transit time, and degree and duration of reflux to the excluded ileum. A predominant feature in all patients was a slowness of gastrointestinal passage. The absolute size of the weight loss was approximately the same in all patients irrespective of their initial weight. This means that the most obese patients (150 kg and more) stabilized their weight at a too high level. It is concluded that a more effective treatment of patients with extreme obesity should consist in shortening the intestine left in function, and not in an extended surgical procedure aiming at avoiding reflux into the blind loop.

During 58 extracorporeal shock wave lithotripsies 161 blood cultures were drawn to evaluate the incidence of bacteremia during the procedure. Only 3 blood cultures drawn during the procedure yielded bacteria, in all cases probably skin flora contaminants. Post-lithotripsy fever was noted in 29% of the patients, and could not be associated with transient bacteremia and was not influenced by antimicrobial prophylaxis. Patients with a positive urine culture after extracorporeal shock wave lithotripsy may have an increased risk of septicemia.