
Psychosomatics 46:47-57, February 2005
© 2005 The Academy of Psychosomatic Medicine
Psychiatric Diagnoses of 901 Inpatients Seen by Consultation-Liaison Psychiatrists at an Academic Medical Center in a Managed Care Environment
James A. Bourgeois, O.D., M.D.,
Jacob A. Wegelin, Ph.D.,
Mark E. Servis, M.D., and
Robert E. Hales, M.D., M.B.A.
Received Oct. 29, 2003; revision received March 22, 2004; accepted April 29, 2004. From the Department of Psychiatry and Behavioral Sciences, University of California, Davis Medical Center. Address correspondence and reprint requests to Dr. Bourgeois, Department of Psychiatry and Behavioral Sciences, University of California, Davis Medical Center, 2230 Stockton Blvd., Sacramento, CA 95817; james.bourgeois{at}ucdmc.ucdavis.edu (e-mail).
The authors reviewed the diagnoses from all inpatient psychiatric consultations conducted by faculty psychiatrists during calendar year 2001 (N=901) at an academic medical center. In about 25% of the consultations, multiple psychiatric diagnoses were made. The most frequent diagnosis groups were mood (40.7%), cognitive (32.0%), and substance use disorders (18.6%). Among 671 consultations in which only one diagnosis was made, the rates of these diagnosis groups were 35.4%, 20.1%, and 10.2%, respectively. The findings were compared with the findings of 19 previous studies published over the past 27 years. Mood, cognitive, and substance use disorders remain major foci of consultation-liaison practice in the managed care era, although the rate of cognitive disorder diagnoses has increased. No evidence was found of a change over time in referral rates.
Key Words: psychiatric diagnoses consultation-liaison service mood disorders cognitive disorders substance abuse disorders
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