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공현호,방희제,고재웅,이구주 대한재활의학회 2017 Annals of Rehabilitation Medicine Vol.41 No.6
Objective To determine the age-related changes in cardiac rehabilitation (CR) outcomes, which includes hemodynamic and metabolic factors, in patients with myocardial infarction (MI).Methods CR was administered for 8 weeks to 32 men (mean age, 54.0±8.8 years) who underwent percutaneous coronary intervention for acute MI between July 2012 and January 2016. The exercise tolerance tests were performed before and after the CR. The results were stratified based on a cut-off age of 55 years.Results In the whole patient group, the hemodynamic variables such as the resting heart rate (HRrest), systolic blood pressure (SBPrest), submaximal HR (HRsubmax), SBP (SBPsubmax), and rate pressure product (RPPsubmax) significantly decreased and the maximal HR (HRmax) and RPP (RPPmax) significantly increased. All metabolic variables displayed significant improvement, to include maximal oxygen consumption (VO2max) and ventilation (VEmax), anaerobic threshold (AT), and the maximal oxygen pulse (O2pulsemax). However, upon stratification by age, those who were younger than 55 years of age exhibited significant changes only in the HRrest and RPPsubmax and those aged 55 years old or greater displayed significant changes in all hemodynamic variables except diastolic BP. Both groups displayed significant increases in the VO2max, VEmax, and AT; the older group also exhibited a significant increase in O2pulsemax. The magnitude of the changes in the hemodynamic and metabolic variables before and after CR, based on age, did not differ between the groups; although, it tended to be greater among the older participants of this study’s sample.Conclusion Because the older participants tended to show greater hemodynamic and metabolic changes due to CR, a more aggressive CR program must be administered to elderly patients with MI.
가쪽 연수 경색에 의한 연하장애에서 경두개 자기자극술의 효과: 증례 보고
이경무, 공현호 충북대학교 의과대학 충북대학교 의학연구소 2015 忠北醫大學術誌 Vol.25 No.1
가쪽 연수 경색에서 연하곤란은 전체 환자들의 51-94%까지 나타나게 된다. 최근 경두개 자기 자극술 (repetitive transcranial magnetic stimulation)을 뇌졸중 이후에 발생한 연하곤란의 치료에 활용 하는 연구가 활발해지고 있다. 그러나 대부분의 연구들은 대뇌 부위 뇌경색에 의한 연하곤란에 적용한 경우들이고 아직 뇌줄기 부위 뇌경색, 특히 연수부위 경색에 의한 연하곤란에 대해 경두개 자기 자극술 을 시도한 연구는 많지 않은 상태이다. 본 증례보고에서는 지금까지 연수 경색에 대해 경두개 자기 자 극술을 양측으로 적용하던 것과는 달리 편측으로 적용해도 연하곤란에 효과가 있었던 사례를 문헌 고 찰과 함께 보고하는 바이다.
서영탁,공현호,이경무 대한근전도전기진단의학회 2016 대한근전도 전기진단의학회지 Vol.18 No.2
Objective: To investigate the relationship between the absent rates of superficial peroneal sensory nerve action potential (SNAP) and age increase in healthy adults without symptoms of peripheral neuropathy. Method: We recruited 120 healthy adults (240 low extremities) and divided into the age groups 20~29, 30~39, 40~49, 50~59, 60~69 and more than 70 years. All subjects underwent sensory nerve conduction study of superficial peroneal nerve. Diabetic history, exposed to neurotoxic agent, neurologic problem, trauma history on low extremity and pitting edema were excluded in this study. Results: All subjects of age groups 20~29, 30~39, 40~49 and 50~59 years were elicited, but 2 subjects (1.7%) in age group 60~69 years and 7 subjects (5.8%) in age group more than 70 years were not elicited. Increasing age and the no response rate of superficial peroneal nerve conduction study were correlated statically significant (p-value = 0.004). Using a receiver operator characteristic (ROC) curve, absent superficial peroneal SNAP could be observed more than 70.5 years with sensitivity of 77.8% and specificity of 89.2%. Conclusion: The ratio of absent superficial peroneal SNAP can be increase in elderly healthy adults. This study shows reference that superficial peroneal SNAP might be absent as age increase.