1.Estimation of Exercise Intensity and Ramp Load in Cardiopulmonary Exercise Testing Using the Maximum Walking Speed in Elderly Hospitalized Patients with Acute Coronary Syndrome
Hiroaki TATSUKI ; Yasuhiro NOMA ; Masashi KAWABATA ; Tomoko KAWAHARA ; Daichi NAOI ; Ryo SHIMADA ; Kazuhiro MIBU ; Toru AIZAWA ; Harukazu ISEKI
Journal of the Japanese Association of Rural Medicine 2016;65(2):202-214
This study investigated data on cardiopulmonary exercise testing (CPX) indices in order to estimate exercise intensity and ramp load from maximum walking speed (MWS) in elderly hospitalized patients with acute coronary syndrome (ACS). Subjects were 66 male patients hospitalized with ACS (49 young-old patients and 17 old-old patients). We measured exercise intensity by CPX using a cycle ergometer and MWS over 10 m, and examined the patients’ clinical characteristics. Stepwise multiple regression analysis was performed to identify variables that most closely predicted exercise intensity. We then estimated the ramp load from the relationship between exercise load at anaerobic threshold and MWS. The results indicated that MWS was an independent predictor of exercise intensity in old-old patients (adjusted R2=0.278, p=0.037) but not in young-old patients. The regression formula predicted the proper ramp load to be 5 and 10 watts as MWS was less than 1.5m/s or more than 1.5m/s, respectively. MWS was related to exercise intensity and could be used to consider the ramp load in CPX in old-old male patients with ACS.
2.Effect of Workshops for Preparing Multiple-Choice Questions for Computer-Based Testing Used in the Nationwide Common Examination Before Clinical Clerkships
Nobuo NARA ; Nobuhiko SAITO ; Shu KURAMOTO ; Eiji GOTOH ; Hiroaki NAKAJIMA ; Osamu FUKUSIMA ; Saburo HORIUCHI ; Toshimasa YOSHIOKA ; Yoshio NITTA ; Tatsuki ISHIDA ; Takeshi ASO ; Yasuichiro FUKUDA ; Fumimaro TAKAKU
Medical Education 2005;36(1):11-16
Computer-based testing (CBT) has been used in Japan since 2002 to assess medical students' basic and clinical medical knowledge, based on the model core-curriculum, before they start clinical clerkships. For effective CBT, multiplechoice questions must accurately assess the knowledge of students. Questions for CBT are submitted by all medical schools in Japan. However, only 40% of questions are chosen for CBT and used at random; the other 60% of questions are rejected because of poor quality. Toimprove the ability of medical staff to devise questions, workshops were held at 30 medical schools. The acceptance rate of questions from schools where workshops were held was significantly increased. The workshops were extremely effbctive for improving the quality of questions.
3.Clinical Background and Hospitalization Progress in Patients with Acute Myocardial Infarction Who Experienced Cardiac Rehabilitation
Hiroaki TATSUKI ; Yasuhiro NOMA ; Tomoko KAWAHARA ; Masashi KAWABATA ; Toru AIZAWA ; Atsushi MATSUZAKI ; Yasunari HOSHIBA ; Tatsuya SUGIHARA ; Yota KAWAMURA ; Daiki ITO ; Harukazu ISEKI
Journal of the Japanese Association of Rural Medicine 2012;61(1):16-26
Purpose: To compare the effects of aging in patients with acute myocardial infarction (AMI) on their clinical background and hospitalization progress, and to examine the relationships between age and these factors.
Subject: One hundred and fifty-three patients who experienced cardiac rehabilitation after percutaneous coronary intervention (PCI) (63.8±11.1 y.o, 126 men, 27 women).
Method: The patients were divided into the middle aged group (<65 y.o, n=84), young old group (65 to 74 y.o, n=44), and old group (75 y.o≥ n=25). The differences between groups were examined in respect of 13 items about clinical backgrounds (responsibility coronary arteries, CKmax, LVEF, residual stenosis, hypertension, diabetes, hyperlipemia, smoking, and BMI) and hospitalization progress (cardiac complications, locomotorium disabilities, abnormality as 200mECG, and duration of hospitalization).
Results: Left veticular ejection fraction (LVEF) was significantly lower in the old group than in the young old group. The old group had a high rate of residual stenosis. In the coronary risk factors, all of the groups had hypertension at a high rate of 54.5% or over. The middle aged group and young old group had diabetes at about 38%. The middle aged group was prone to hyperlipemia, and had significantly a high smoking rate. Body mass index (BMI) was significantly higher in the middle aged group than in the old group. In hospitalization progress, the old group had a high rate of cardiac complications and locomotorium disability. The duration of hospitalization was significantly longer in the old group than in the other groups.
Conclusion: It would be necessary to give middle-aged persons educational guidance for the improvement of the coronary risk factors, and to provide the old persons with the suitable rehabilitation programs considering various complications.