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Trends in the Diffusion of Laparoscopic Nephrectomy
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To the Editor: Based on equal efficacy and easier convalescence compared with the open procedure, some urologists have advocated laparoscopy to be a standard of care for patients undergoing nephrectomy for benign or malignant disease.1-2 There are indications that the use of renal laparoscopy in both academic and community hospitals has been increasing,3 but precise characterization of the diffusion of laparoscopic nephrectomy since its introduction in 1991 has not been available. We therefore describe temporal trends in the nationwide use of laparoscopic nephrectomy and contrast these with other common laparoscopic procedures.
Methods
Data were analyzed for the years 1989-2003 from the Nationwide Inpatient Sample (NIS), a 20% nationally representative annual sample of all hospital discharges in the United States.4 International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9) procedure codes were used to determine the annual number of cholecystectomies (codes, 51.22, 51.23), fundoplications (44.65, 44.66), hysterectomies (68.3, 68.4, 68.5, 68.51, 68.59, . . . [Full Text of this Article]
David C. Miller, MD, MPH;
John T. Wei, MD, MS;
Rodney L. Dunn, MS;
Brent K. Hollenbeck, MD, MS
bhollen@umich.edu
Department of Urology
Division of Clinical Research and Quality Assurance
University of Michigan Medical School
Ann Arbor
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ABSTRACT
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