This quality assurance assessment from standard colonoscopy practices of 315 gastroenterologists in 49 endoscopic ambulatory surgery centers serving a wide geographical area provides support for the merits of a colonoscopy withdrawal time from the cecum of 6 minutes or more to improve the detection of polyps.

Thirty-six patients at the University of Kentucky Medical Center underwent percutaneous endoscopic jejunostomy placement between January 1 and December 31, 1989. We retrospectively reviewed their charts for indications and complications of the procedure. Experience and outcome with the initial placement of the percutaneous jejunostomy tube was evaluated. Primary diagnoses at the time of insertion included central nervous system disorders (28), ventilator dependence (5), cancer (2), and gastroparesis (1). The follow-up period ranged from 2 to 131 days (median 16 days). Tube dysfunction or dislodgment occurred in 31% of patients. Other complications included pulmonary aspiration (11%) and bleeding at the insertion site (3%). The 30-day mortality rate was 19% with all but one death caused by the severity of the underlying primary illness. It is concluded that problems with the currently performed technique of percutaneous endoscopic jejunostomy, along with tube-related problems, seriously limit the usefulness of this technique. Improvements in technology, along with routine postprocedure radiographs to allow early detection of malpositioned jejunostomy tubes, may improve the outcome of this procedure. Newer techniques that have a higher success of distal small intestinal placement need to be evaluated.

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