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Proportion of Diabetic Retinopathy and Risk Factors in Type 2 Diabetic Patients at BIRDEM Hospital

This study estimates the proportion of diabetic retinopathy (DR) among Type 2 diabetes patients and investigates the risk factors, including duration of diabetes, HbA1c levels, hypertension, age, and gender. The prevalence of DR was found to be 37.2%. Smoking history, BMI, duration of diabetes, HbA1c levels, hypertension history, duration of hypertension, and cholesterol levels were found to be significantly associated with DR.

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Proportion of Diabetic Retinopathy and Risk Factors in Type 2 Diabetic Patients at BIRDEM Hospital

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  1. Proportion of diabetic retinopathy and its risk factors among type 2 diabetic patients attending eye outpatient department of BIRDEM Hospital Dr. Nadira Mehriban

  2. INTRODUCTION • Diabetic retinopathy (DR) is one of the major micro vascular complications of diabetes and most significant cause of visual impairment and blindness, thereby reducing the quality of life. Diabetic retinopathy affects 1.8 billion people, and represents 4.8% of the world’s blindness. • Diabetic Retinopathy occurs both in type 1 and type 2 diabetes mellitus and has been shown that nearly all type 1 and 75 per cent of type 2 diabetes will develop Diabetic Retinopathy after 15 yr duration of diabetes as shown in earlier epidemiological studies

  3. The pathogenesis of DR is multi-factorial, but is primarily caused by the metabolic effects of chronic hyperglycemia. Chronic hyperglycemia is thought to be the primary cause of diabetic retinopathy. Many studies have demonstrated that duration of diabetes, chronic hyperglycemia, as well as hyperlipidemia and hypertension, contribute to the pathogenesis of DR

  4. Study Objective • In this study we aim to estimate the proportion of DR among Type 2 DM patients and investigate the variety of risk factors, including years since DM diagnosis, HbA1c levels, the coexistence of hypertension, age and gender.

  5. METHODOLOGY • Study Design • It was a cross sectional study. The subjects were selected on the availability of patients. • 3.2 Study area: • The study was conducted at Eye OPD of BIRDEM Hospital, Dhaka, Bangladesh. BIRDEM is the tertiary level hospital and has specialized care system for diabetes, quite a significant number of patients with diabetes come to BIREDEM hospital from all over the country including Dhaka city.

  6. Target population • The target population of the study was all registered Diabetic patients of BIRDEM Hospital, who also attended at Eye OPD of BIRDEM Hospital, Dhaka. • 3.4 Study period: • This study was carried out during the period of January 2015 to May 2015. • 3.5 Inclusive criteria • 1. Only the registered diabetic patients who were willing to participate in the study. • 2. Patients who attended the Eye OPD of the selected hospital. • 3.6 Exclusion criteria: • Patients those who had mental, physical and social impairment. • Patient with serious co morbid disease (infection, stroke, myocardial infarction, major surgery, etc.

  7. Sampling Technique: • Purposive sampling technique was applied during data collection • Data collection Method • Data were collected by face to face interview with the use of questionnaire and hospital records (patients guide book).

  8. Data collection tools • Pretested semi-structured questionnaire comprising of three parts, socio-demographic factors, risk factors and health education factors and Hospital records (patients guide book) were used for data collection. Socio demographic, anthropometric, medical history, clinical and laboratory findings and treatment on diabetes are recorded systematically in this book developed by Diabetic Association of Bangladesh. A detailed history of disease onset & the illness were taken from this patient’s diabetic guide book. Diabetic retinopathy was diagnosed through a comprehensive eye examination - testing, with special emphasis on evaluation of the retina and macula like visual acuity test, refraction, pupil dilatation, fundoscopy

  9. RESULT • A total of 129 diabetic patients were interviewed and mean age was 50.16 with STd 12.901

  10. Table 1: Socio demographic characteristics of the respondent (n=129)

  11. 38.8% 50 37.2% 48 40 35 21.7% 28 30 25 20 2.3% 3 15 10 5 0 Distribution of the respondent by their family income ( n=129)

  12. Distribution of the patient according to educational qualification (n=129)

  13. Table 2: Clinical characteristics of respondent ( n=129)

  14. Table 3: Diabetic related risk factors of the respondent ( n=129)

  15. CONTD.

  16. CONTD….

  17. Distribution of respondent according to HbA1C ( n= 129)

  18. : Distribution of respondent according to prevalence of Diabetic Retinopathy (n=129)

  19. Table 5: Association between socio demographic characteristics and Diabetic related risk factors regarding Diabetic retinopathy (n=129)

  20. The prevalence of diabetic retinopathy in this study was found to be 37.2 percent. Diabetic Retinopathy was found to be significantly associated with smoking history, BMI, duration of diabetes, HbAIC, history of hypertension, duration of hypertension and Total cholesterol level and TG (P<0.05).

  21. Conclusion • Diabetes Mellitus (DM) is considered to be a major health problem that is predicted to turn into a global epidemic. In developing countries, the number of people with diabetic gradually increasing day by day; as well as complication like diabetic retinopathy will continue to rise. Retinopathy is the potential sight threatening condition; it is a significant public health problem all over the world. Adequate treatment of the risk indicators might prevent and reduce the burden of these diseases and improve the quality of health care services.

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