Document Detail

Efficient management of diarrhea in the acquired immunodeficiency syndrome (AIDS). A medical decision analysis.
MedLine Citation:
PMID:  2111109     Owner:  NLM     Status:  MEDLINE    
STUDY OBJECTIVE: To compare the efficacy and cost effectiveness of alternative strategies for the evaluation and medical management of diarrhea in patients with the acquired immunodeficiency syndrome (AIDS). DESIGN: Medical decision analysis using a decision tree. METHODS: Three management strategies were compared: full evaluation, which included stool culture, ova and parasite examination, stain for protozoa, blood cultures, esophagogastroduodenoscopy with biopsy, and colonoscopy with biopsy; limited evaluation, which included stool culture, ova and parasite examination, stool stain for protozoa, and blood cultures; and minimal evaluation, which included only a stool culture. Treatment was based on the outcome of the diagnostic workup. Patients without a specific diagnosis were treated symptomatically with diphenoxylate hydrochloride. Nonrespondents to initial symptomatic treatment and patients with recurrent diarrhea after specific therapy were given the full evaluation. Average probabilities of diagnostic and therapeutic success were calculated from previous reports. Costs were compiled based on diagnostic and therapeutic expenditures. MEASUREMENTS AND MAIN RESULTS: Under baseline assumptions, the remission rates for diarrhea were 75.2%, 74.8%, and 74.8% in patients undergoing the full, limited, and minimal evaluations, respectively. The respective costs of the three strategies were $5419, $1997, and $1700 per patient in remission. A sensitivity analysis showed that the differences in efficacy and cost among the full, limited, and minimal strategies remained unchanged over a broad range of possible rates of diagnostic or therapeutic success. CONCLUSIONS: The minimal evaluation in all patients, with the full evaluation reserved only for nonrespondents to symptomatic treatment, is efficacious and is the most cost-effective strategy for managing AIDS-related diarrhea.
J F Johanson; A Sonnenberg
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Annals of internal medicine     Volume:  112     ISSN:  0003-4819     ISO Abbreviation:  Ann. Intern. Med.     Publication Date:  1990 Jun 
Date Detail:
Created Date:  1990-06-15     Completed Date:  1990-06-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372351     Medline TA:  Ann Intern Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  942-8     Citation Subset:  AIM; IM; X    
Veterans Affairs Medical Center, Milwaukee, Wisconsin.
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MeSH Terms
Acquired Immunodeficiency Syndrome / complications*
Chronic Disease
Cost-Benefit Analysis
Decision Trees
Diarrhea / complications,  economics,  therapy*
Feces / microbiology,  parasitology
Remission Induction
Comment In:
Ann Intern Med. 1990 Nov 15;113(10):804-5   [PMID:  2240886 ]
Erratum In:
Ann Intern Med 1990 Nov 15;113(10):805

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