Dr. Arun Kumar Harith (MD Biochemistry)*, Garima Boradia (M.Sc Biochemistry), Varun Kumar Singh (III year MBBS Student), Dr. Kanchan Kulhari (MD Biochemistry), Maansi Gangwal (III year MBBS


Introduction: Plasma venous Glucose estimation is one of the most commonly asked investigation in a clinical setting. This test has a lot of pre-analytical variables affecting the final result, and patient participation in providing sample is very essential. The present study was undertaken to determine the quality of pre-analytical errors caused by the patients while giving their sample and quantify them. Material and Methods : A total of 400 cases were interviewed on the quality of the sample provided by them for analysis of plasma venous glucose. The interview was done after the post prandial sample had been collected. The nature of fasting, the timing between the fasting and the post prandial sample, the nature of exertion undertaken between providing the two samples and the history of taking medications was specifically looked into and any deviations from the correct procedure was considered as an error. Results: Of the 400 cases interviewed, only 138 patients had given a proper fasting and post prandial sample. Nearly 34% of the post prandial samples were not collected on time. Also 24% of the samples had more than one pre-analytical error in it, which could have significantly affected the final glucose results. Conclusion: There are a lot of pre-analytical errors that are being created by the patients while giving the samples for plasma venous Fasting and Post prandial glucose estimation. These errors are not being specifically looked for and hence going undetected. The aim of this article is to sensitise health care workers on the magnitude of these errors and suggest methods to reduce them.

Keywords: Pre Analytical errors, Glucose estimation, errors contributed by patients, fasting, postprandial, exercise.

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