The Effects of an Outpatient Practice Guideline at a Teaching Hospital: A Prospective Pilot Study

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Abstract
Practice guidelines (PGs) are becoming increasingly important in modern medicine. To study the effects of a PG, we performed a pilot study at a large, urban, public teaching hospital according to a prospective, observational research design with both concurrent and historic controls. Specifically, we studied the effects of a multidisciplinary PG for pediatric outpatient tonsillectomy and adenoidectomy on the process of health‐care delivery. Variables in the health‐care process included patient compliance with clinic and surgery appointments, surgery time, operating room turnover, time in recovery room, unplanned admission rate, patient compliance with postoperative follow‐up, provider compliance with guidelines, and hospital charges. Patients in the PG were found to have fewer preoperative laboratory tests, decreased duplication of services, and shorter operating room turnover times. Provider compliance with the PG varied by service and was intermittent at first but improved gradually. There was a trend toward improved compliance with postoperative follow‐up in patients in the PG. Provider opinions concerning the guideline were positive. This pilot study demonstrates several advantages and disadvantages of the use of PGs in the outpatient setting and in a teaching hospital.

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