ELECTROMYOGRAPHIC STUDY OF STEROID-INDUCED MYOPATHY IN PATIENTS WITH CHRONIC PULMONARY DISEASE, 1998

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MASJEDI M.R.; MASOUDINIA M.; BAGHERI H.; ABOU ALFAZLI R.

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Journal: Researcher Bulletin of Medical Sciences Year:2001 | Volume:6 | Issue:4 (24) Page(s): 305-310

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Title

ELECTROMYOGRAPHIC STUDY OF STEROID-INDUCED MYOPATHY IN PATIENTS WITH CHRONIC PULMONARY DISEASE, 1998

Author(s)

MASJEDI M.R. | MASOUDINIA M. | BAGHERI H. | ABOU ALFAZLI R. | Issue Writer Certificate

Keywords

STEROID-INDUCED MYOPATHY

CHRONIC PULMONARY DISEASE

MUSCLE WEAKNESS

ELECTROMYOGRAPHY

Abstract

Background: Patients suffering from CHRONIC PULMONARY DISEASEs are more prone to developing STEROID-INDUCED MYOPATHY. Regarding the present controversies, we have studied the prevalence of myopathy and electromyographic findings among these patients being received steroid. Materials and methods: 72 patients with definite diagnosis of CHRONIC PULMONARY DISEASEs being received corticosteroid drugs constantly for at least two months had entered this descriptive study. They were evaluated in four stages: 1) evaluation of history and clinical presentation, 2) physical examination of sensory-motor system, 3) ELECTROMYOGRAPHY in three conditions: at rest, minimal contraction, and maximal contraction, and 4) biochemical test including TFT, muscle enzymes and serum electrolytes. T -test and chi-square were used to evaluate results. Patients suffering from clinical weakness as well as EMG findings of myopathy disorder were considered as cases with STEROID-INDUCED MYOPATHY. Disease prevalence and the relationship between the role of disease duration, dosage, and the age with the incidence of myopathy were all determined. Results: 72 patients taking averagely 10.5±2.5 mg/d corticosteroid for 47.3±10 months were studied.41 patients (56%) had complained of MUSCLE WEAKNESS, where 68% of them had revealed to have clinical weakness by manual muscle testing. (39% of all cases) In 23 patients myopathy was confirmed by ELECTROMYOGRAPHY findings whereas biochemical tests were normal. No relationship was seen between daily dosage of drug, type of pulmonary disease, gender and myopathy. Although patients with myopathy had taken drugs for longer periods and were older than the others, the differences were not statistically significant. Conclusion: Long-term corticosteroid usage even in low dose could produce myopathy. Incidence of STEROID-INDUCED MYOPATHY is significantly higher among patients with CHRONIC PULMONARY DISEASE and since most of these cases have clinically apparent weakness, complaint of MUSCLE WEAKNESS must been observed more seriously. EMG is a useful method in determining mild to moderate STEROID-INDUCED MYOPATHY.

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APA: Copy

MASJEDI, M.R., MASOUDINIA, M., BAGHERI, H., & ABOU ALFAZLI, R.. (2001). ELECTROMYOGRAPHIC STUDY OF STEROID-INDUCED MYOPATHY IN PATIENTS WITH CHRONIC PULMONARY DISEASE, 1998. RESEARCHER BULLETIN OF MEDICAL SCIENCES (PEJOUHANDEH), 6(4 (24)), 305-310. SID. https://sid.ir/paper/529564/en

Vancouver: Copy

MASJEDI M.R., MASOUDINIA M., BAGHERI H., ABOU ALFAZLI R.. ELECTROMYOGRAPHIC STUDY OF STEROID-INDUCED MYOPATHY IN PATIENTS WITH CHRONIC PULMONARY DISEASE, 1998. RESEARCHER BULLETIN OF MEDICAL SCIENCES (PEJOUHANDEH)[Internet]. 2001;6(4 (24)):305-310. Available from: https://sid.ir/paper/529564/en

IEEE: Copy

M.R. MASJEDI, M. MASOUDINIA, H. BAGHERI, and R. ABOU ALFAZLI, “ELECTROMYOGRAPHIC STUDY OF STEROID-INDUCED MYOPATHY IN PATIENTS WITH CHRONIC PULMONARY DISEASE, 1998,” RESEARCHER BULLETIN OF MEDICAL SCIENCES (PEJOUHANDEH), vol. 6, no. 4 (24), pp. 305–310, 2001, [Online]. Available: https://sid.ir/paper/529564/en

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