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Seol Hye Han  (Han SH) 2 Articles
Risk Factors for Peripheral Arterial Disease as Screened by Plethysmography in Patients with NIDDM.
Hyuk Jae Chang, Dae Jung Kim, Byoung Joo Choi, Young Guk Ko, Churl Woo Ahn, Dong Ryeol Ryu, Yong Seok Yun, Seol Hye Han, Jae Hyun Nam, Seok Won Park, Young Duk Song, Sung Kil Lim, Kyung Rae Kim, Won Heum Shim, Hyun Chul Lee, Kap Bum Huh
Korean Diabetes J. 1999;23(2):172-181.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
Peripheral arterial disease (PAD) is one of the clinical manifestations of the atherosclerotic disease process. Early onset and rapid progression of PAD in diabetic patients has been well documented. PAD in diabetic patients has also been associated with an increased risk for total and cardiovascular mortality. Plethysmography is a noninvasive test to screen for the presence of PAD. Thus the aim of this study is to assess the risk factors for PAD screened by plethysmography in NII)DM patients. METHODS: A total of 289 NIDDM patients who undlerwent plethysmography were entered into our annlysis. Clinical characteristics of 38 patients with an ankle-brachial index of <0.9 (group B) were conapared with those of 231 patients with an ankle-brachial index of >1.0 (group A). RESULTS: Abnormalities in plethysmographic findings were found in 45.7% of diabetic patients. Age, duration of diabetes, hypertension, smoking, previous history of vascular diseases, HDL cholesterol, TC/HDL, and LDL/HDL appeared to be factors significantly related to PAD. Fasting sugar, HbAlc, total cholesterol, LDL cholestero1, trigly ceride, fibrinogen, lipoprotein(a), and waist-hip ratio were not significantly different between the two groups. The multiple logistic regression analysis showed the signficant contribution of the previous history of vascular disease (p=0.0028) and age (p-0.0115) to PAD in diabetic patients. CONCLUSION: The prevalence of PAD defined by plethysmography in our subjects was 45.7% higher than expected, suggests that efforts for early detection and prevention of PAD should be emphasized in diabetic patients.
Short Insulin Tolerance Test(SITT) for the Determination of in vivo Insulin Sensitivity-A Comparison with Euglycemic Clamp Test.
Seok Won Park, Yong Seok Yun, Churl Woo Ahn, Jae Hyun Nam, Suk Ho Kwon, Min Kyung Song, Seol Hye Han, Bong Soo Cha, Young Duk Son, Hyun Chul Lee, Kap Bum Huh
Korean Diabetes J. 1998;22(2):199-208.   Published online January 1, 2001
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AbstractAbstract PDF
BACKGROUND
The euglycemic hyperinsulinemic clamp technique is currently regarded as gold standard for measuring insulin sensitivity, but it requires sophisticated equipment and highly trained personnel. We investigated the reliability of short insulin tolerance test as a simple tesl to measure in vivo insulin sensitivity. METHODS: Short insulin tolerance test(SITT) and euglyeemic hyperinsulinemic clamp test were performed at random order in 14 healthy subjects and 10 abnormal glucose tolerant subjects. The plasma glucose disappearance rate(kitt: %/min) after iv injection of regular insulin(0.1U/kg) was determinecl and compared to insulin sensitivitv indices(M, M/I) of euglycemic hyperinsulinemic clamp test. RESULTS: The mean Kitt value of healthy subjects was 3.50+0.75%/min and that of subjects with abnormal glucose tolerance was 2.56+0.56%/min. Changing sampling time from 15 min to 18~21 min and sampling interval from 3 min to 1.5 min had no influence on Kitt value. Kitt values were reproducible in six subjects, with a CV of 8.8+2.0%. There was a highly significant correlations between the Kitt value derived from SITT and M or M/I derived from euglycemic hyperinsulinemic clamp test. There were no significant adverse effects including hypoglycemic symptom while performing SITT. CONCLUSION: SITT is simple, safe, rapid to perform, and provides reliable index of in vivo insulin sensitivity. It seems particularly suitable for studies involving large series of subjects or including repeated evaluation of insulin sensitivity.

Diabetes Metab J : Diabetes & Metabolism Journal