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Original Article Clinical Usefulness of Glucose Testing from the Forearm in Diabetic Patients.
Sang Wook Lee, Suk Chon, Seungjoon Oh, Jeong taek Woo, Sung Woon Kim, Jin Woo Kim, Young Seol Kim, Jeong Ryung Paeng, Gwanpyo Koh, Hak Hyun Nam
Endocrinology and Metabolism 2006;21(4):281-289
DOI: https://doi.org/10.3803/jkes.2006.21.4.281
Published online: August 1, 2006
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1Department of Endocrinology and Metabolism, College of Medicine, Korea.
2Research Institute of Endocrinology, Kyung Hee University, Korea.
3Department of Internal Medicine, Keonyang University, Korea.
4Department of Chemistry, Kwangwoon University, Korea.

Self monitoring of blood glucose plays an important role in the management of diabetes. However, traditional finger prick testing causes pain and so compliance with self monitoring of blood glucose is usually poor. Using an alternative site for sampling may reduce the level of pain and be beneficial for improving the compliance of diabetic patients. We evaluated the accuracy and acceptability of blood glucose testing from the forearm by analyzing the performance of the CareSens(R) (i-Sens, Inc. Korea) device for diabetic patients. METHODS: We measured the glucose level at the forearm by use of CareLance(R) (vaccum assisted lancing device) and also at the finger tip simultaneously by use of the CareSens(R) device at fasting and postprandial 2 hours, respectively. At the same time, the glucose levels of venous samples were checked by the laboratory method (BIOSEN 5030, EKF, Germany) and compared with those glucose level measured by the CareSens(R) device. We also checked the ease of use of the CareLance(R) and the associated pain of the patients by means of a visual analogue scale (VAS) at the time of blood sampling. RESULTS: The glucose level obtained from the forearm and finger tip correlated well with that from the laboratory method, respectively. Error grid analysis showed that 100% of the measurements were clinically acceptable; forearm blood glucose testing by use of CareLance(R) was less painful and it was as easy to use as the finger prick (P < 0.05 and P = 0.04, respectively). CONCLUSION: Forearm testing is an acceptable alternative to finger prick testing for measuring blood glucose in diabetic patients.

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