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Analysis of the Use of Medical Institutions and Prescription Drugs for Pulmonary Tuberculosis in Geriatric Patients
Korean J Clin Pharm 2018;28(2):95-100
Published online June 30, 2018
© 2018 Korean College of Clinical Pharmacy.

Soon Ji Moon1, Young Suk Lee2, and Kiyon Rhew1*

1College of Pharmacy, Dongduk Women’s University, Seoul 02748, Republic of Korea
2College of Pharmacy, Keimyung University, Daegu 42601, Republic of Korea
Correspondence to: * Ki Yon Rhew, College of Pharmacy, Dongduk Women’s University, 60 Hwarang-ro 13-gil, Seongbuk-gu, Seoul 02748, Republic of Korea
Tel: +82-2-940-4159, Fax: +82-2-940-4519 E-mail: kiyon@dongduk.ac.kr
Received April 18, 2018; Revised June 15, 2018; Accepted June 16, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background: Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis that can affect many organs of the body but usually affects the lungs. The prevalence of TB in Korea is considerably higher than that in other countries with similar economic levels, and is much higher in elderly people. Pharmacotherapy is important in the treatment of TB and requires relatively high compliance for a prolonged duration.
Methods: We analyzed sample data of elderly patients obtained from the Health Insurance Review and Assessment Service. We used logistic regression analysis and frequency analysis to identify factors that could affect prevalence of TB in elderly patients, compliance with prescribed medication regimes in these patients, and use of medical institutions. Korean Standard Classification of Diseases, version 7 (KCD-7) was used to diagnose pulmonary TB, and medications were analyzed using Korean standardized drug classification codes.
Results: 1,276,331 patients were analyzed in the sample of the elderly population, and 16,658 TB patients were included in the study. The mean age of the TB patients was 76.19 years (SD 6.899). A total of 699 patients were prescribed isoniazid, rifampicin, ethambutol, or pyrazinamide at least once. Of these, 352 (50.4%) were prescribed all four medications and 101 (14.4%) were prescribed only isoniazid, rifampicin, and ethambutol. The mean duration of prescription was 28.75 days (SD 36.13).
Conclusion: In the elderly population, old age and poor socioeconomic conditions correlated with TB prevalence. Most patients did not meet the criteria for effective pharmacotherapy of TB.
Keywords : Tuberculosis, elderly, rifampin, isoniazid, ethambutol


June 2018, 28 (2)
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