• Karuna Kanta Barman, Mahesh Padmanabhan, Gopal Premalatha, Raj Deepa, Mohan Rema, and Viswanathan Mohan.
• Madras Diabetes Research Foundation, Conran Smith Road, Gopalapuram, Chennai 600086, India.
• J. Diabetes Complicat. 2004 Sep 1; 18 (5): 264-70.

ObjectiveTo determine the prevalence of diabetes-related complications in subjects with fibrocalculous pancreatic diabetes (FCPD) and compare them with subjects with type 2 diabetes mellitus matched for age, sex, and duration of diabetes.MethodsThe study group comprised of 277 FCPD patients and 277 age, sex, and duration of diabetes-matched type 2 diabetic patients. All the study subjects underwent a detailed clinical examination, and fasting blood samples were obtained for biochemical studies. Peripheral Doppler was used for diagnosis of peripheral vascular disease (PVD). Vibratory perception threshold (VPT) was determined using biothesiometry for diagnosis of neuropathy. Diagnosis of coronary artery disease (CAD) was based on medical history and 12-lead resting ECG. Retinal photographs were used for diagnosis of retinopathy using a modified version of Early Treatment Diabetic Retinopathy Study (ETDRS) grading system.ResultsFCPD patients had lower body mass index (BMI) (P<.001), systolic blood pressure (P<.0001), diastolic blood pressure (P<.001), serum cholesterol (P<.001), serum triglyceride (P<.001), and serum creatinine (P<.01) but higher glycosylated hemoglobin (P<.001) levels compared to patients with type 2 diabetes. Prevalence of CAD was significantly higher among type 2 diabetic patients (11.9%) compared to FCPD patients (5.1%), P<.003. There was no significant difference in the prevalence of other diabetic complications between the two study groups (type 2 diabetes vs. FCPD: retinopathy-37.2% vs. 30.1%, PVD-4.3% vs. 4.7%, Neuropathy-25.3% vs. 20.9%, Nephropathy-15.0% vs. 10.1%). Multiple logistic regression analysis revealed the following risk factors for diabetes complications among type 2 diabetic subjects-retinopathy: BMI (P=.028), duration of diabetes (P<.001), and glycosylated hemoglobin (P=.026); nephropathy: diastolic blood pressure (P=.016) and glycosylated hemoglobin (P=.040); neuropathy: age (P<.001), duration of diabetes (P=.003), and glycosylated hemoglobin (P=.001). Among subjects with FCPD, systolic blood pressure (P=.013), glycosylated hemoglobin (P=.021), and duration of diabetes (P<.001) were associated with retinopathy; BMI (P=.057), glycosylated hemoglobin (P=.010), and duration of diabetes (P=.024) with nephropathy and age (P=.011) and BMI (P=.010) with neuropathy.ConclusionThe prevalence of retinopathy, nephropathy, neuropathy, and PVD was similar among FCPD patients and type 2 diabetic patients, but the prevalence of CAD was lower among FCPD patients.

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