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Jong Won Ha  (Ha JW) 2 Articles
Diabetic Cardiomyopathy.
Sung Ai Kim, Jong Won Ha
Korean Diabetes J. 2009;33(1):9-12.   Published online February 1, 2009
DOI: https://doi.org/10.4093/kdj.2009.33.1.9
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AbstractAbstract PDF
Cardiovascular disease is the most common cause of death in patients with diabetes mellitus (DM). In particular, the focus of many studies has been on ischemic heart disease, as it is a eading cause of death in diabetic patients. However, independent of coronary artery disease, DM can also lead to cardiac structural and functional changes, supporting the presence of diabetic cardiomyopathy. The pathologic mechanismin the development of diabetic cardiomyopathy is multifactorial including metabolic disturbance, myocardial fibrosis, microvascular disease, and autonomic dysfunction. Functionally, diabetic patients have a higher prevalence of LV (left ventricle) diastolic dysfunction. Because most diabetic patients with early myocardial disease have a wide spectrum of diastolic dysfunction at rest, assessment of LV functional reserve during exercise is helpful for early identification of myocardial dysfunction. Recent research has demonstrated that LV diastolic functional reserve (DFR) assessed by diastolic stress echocardiography was significantly reduced in patients with DM, compared with a control group, suggesting DFR might be an early indicator of diabetic cardiomyopathy. Glycemic control might be the most important and basic therapeutic strategy for preventing the development of diabetic cardiomyopathy. However, more extensive studies are needed to garner further evidence of preventive and therapeutic strategies of diabetic cardiomyopathy.
Clinical Characteristics of Post-transplantation Diabetes Mellitus associated with Tacrolimus Therapy after Kidney Transplantation.
Young Min Cho, Hye Seung Jung, Yun Yong Lee, Min Kyong Moon, Suk Kyung Kim, Hyun Jung Jeon, Curie Ahn, Jong Won Ha, Sang Joon Kim, Kyong Soo Park, Seong Yeon Kim, Hong Kyu Lee
Korean Diabetes J. 2002;26(6):509-519.   Published online December 1, 2002
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BACKGROUND
Post-transplantion diabetes mellitus (PTDM) is a major metabolic complication of transplantation and shows a variable incidence among studies with different population or different definition. We examined the incidence and the risk factors of PTDM in the Korean patients with tacrolimus-based immunosuppression following kidney transplantation, and also investigated the change of insulin secretory capacity. METHODS: Twenty-one patients using tacrolimus as primary immunosuppressant were recruited and tested with serial 75-g oral glucose tolerance test (OGTT) at 0, 1, 3, and 6 months after kidney transplantation. RESULTS: According to the American Diabetes Association criteria, the incidence of PTDM was 57.1% (12 of 21). Baseline characteristics of PTDM group were old age (especially > 40 yr), high body mass index, high fasting glucose, high plasma insulin, and increased insulin resistance. The insulin secretory capacity in PTDM group was maximally suppressed 3 months after transplantation and was gradually restored thereafter along with dose reduction of tacrolimus. CONCLUSIONS: Attention should be paid to the patients, especially who are over 40 yr of age, throughout the high dose tacrolimus therapy.

Diabetes Metab J : Diabetes & Metabolism Journal