EVALUATION OF GLYCAEMIC CONTROL AND LABORATORY TESTS FOR MONITORING BLOOD GLUCOSE LEVELS IN DIABETIC SUBJECTS VISITING A TERTIARY HOSPITAL IN NNEWI

Author: Okoye Osita Gabriel
Department: Medical Laboratory
Affiliation: Nnamdi Azikiwe University Awka

This study determined the glycaemic control, laboratory tests for monitoring blood glucose level, management strategies of type 2 diabetic patients visiting Nnamdi Azikiwe University Teaching Hospital, Nnewi. A total of eighty-nine type 2 diabetic patients who volunteered completed the study. The patient’s bio-data, blood pressure, anthropometric indices, baseline biochemical parameters were measured and a questionnaire administered. Glycated haemoglobin (HbA1c) was measured using boronate affinity method while fasting plasma glucose (FPG) and 2-hour postpradial glucose (2HrPPG), after the patients were fed a breakfast of stewed boiled rice were measured using glucose oxidase method. The result showed the mean ± SD of HbA1c level of the patients studied to be 8.6 ± 2.4% which exceeded the internationally accepted value of <7.0%. HbA1c was positively related to FPG r=0.55 (p<0.01) with stronger correlation for 2HrPPG r=0.68 (p<0.01). None of the patients studied knew about HbA1c test for monitoring blood glucose and only 50.56% and 13.48% of all the patients knew about FPG and random blood glucose (RBS) respectively. Sixty-four percent of the patients never embarked on any exercise regime or sought diabetic counseling/education while majority of the patients (83%) visit the laboratory occasionally to check their blood glucose levels. Thus, it is concluded that the observed poor long term glycaemic control of the patients studied might be related to their inadequate knowledge of the basic laboratory tests for monitoring blood glucose levels and insufficient self management education. These factors have the potential of increasing the risk of developing diabetes complication amongst the patients studied. We recommend increased diabetes self management education in all diabetes clinics in our hospitals including simple laboratory tests for self-monitoring of blood glucose levels.

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