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Prescription profile for urgent biochemical analyzes at the biochemistry laboratory in Antananarivo

The extreme emergency in biochemistry matches with the detection and/or monitoring of an acute or chronic pathological condition, at the root of a vital failure or a systemic imbalance deleterious for the organism. This study aims at determining the prescription profile of biochemical tests prescribed on call at the Paraclinical Training and Biochemistry Research Unit of the Joseph Ravoahangy Andrianavalona. The specific objectives are to determine the proportion of tests prescribed by the departments qualified as "urgent" and to determine the frequency of request for each biochemical parameter prescribed during on-call duty. This is a descriptive retrospective study over a period of 5 Months, from November 2016 to March 2017. All the biochemical testing prescribed during the study period and carried out in the laboratory of Joseph Ravoahangy Andrianavalona University Hospital Center were used. Out of the 595 biochemical testing prescribed during on-call period, 588 (98.82%) were included in the study. Two hundred and seventy-four (46.60%) of these testing were prescribed by departments classified as "non-urgent" and 314 (53.40%) by departments classified as "urgent". We found that non-urgent parameters were prescribed such as lipid status and HbA1c at less than 2%. Creatinine was prescribed at 99.60%, followed by blood ionogram at 65.99% and urea at 40.48%. Biochemical parameters prescribed during on-call periode are limited and that biologists must develop a list of feasible biochemical parameters on call periode for better management of patiens as soon as possible.