PMID: 9183445Jan 1, 1997Paper

Limitations of the protein profile for diagnostic orientation in initial internal medicine consultation. Prospective study on 76 patients

La Revue de médecine interne
J H BarrierJ Y Grolleau

Abstract

Determination of the protein profile of orientation (PPO) is now considered by some authors as a means of improving the diagnosis in internal medicine. The feasibility of systematizing this practice was investigated in 76 outpatients (79 included, three excluded secondarily) seen for pathology of undetermined diagnosis. The 79 patients (mean age: 52 years) underwent the classical biological explorations plus PPO. The physicians were divided into two groups (seniors and assistants). Two complete clinical files were established for each patient, with one difference concerning inflammatory and immunologic data: one file included the minimum number of tests considered necessary by the physician and the other the complete PPO (nine proteins). Each file (with or without PPO) was randomly distributed to one of two physicians in the same group. Each physician filled in a diagnostic evaluation sheet indicating whether there was organic pathology or not, the main diagnosis (inflammatory, neoplastic, infectious or other), the secondary diagnosis and the hypothesis of probability. The relevance of the clinical opinion was analyzed by an internal medicine specialist from outside the department with 40 years of clinical experience. The durat...Continue Reading

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