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Biomedical subjects

T Kunimi

Publications and source records attributed to T Kunimi.

6 recordsLinked to original sources
PubMed2001

Lack of antagonism between nicorandil and sulfonylurea in stable angina pectoris.

The aim of this study was to clarify whether or not nicorandil (a potassium channel opener) caused adverse reactions in patients with angina pectoris who also had diabetes mellitus treated with sulfonylurea (a potassium channel inhibitor). Nineteen diabetic patients with angina pectoris were enrolled, eight were treated with glibenclamide (group A) and 11 were not (group B). Treadmill exercise testing and frequency of anginal attacks were used to evaluate the severity of angina pectoris. Blood sugar and hemoglobin A1c were measured for evaluation of diabetes mellitus control. Exercise tolerance, frequency of anginal attacks and diabetes mellitus control were not perturbed by treatment in either group. In conclusion, there were no antagonistic reactions from the combination of nicorandil with sulfonylurea in angina pectoris complicated by diabetes mellitus.

Aged↗
PubMed1998

[Cardiac disorders associated with progressive systemic sclerosis].

This study investigated cardiac disorders in 25 patients with diagnoses of progressive systemic sclerosis based on the criteria of the American College of Rheumatology. All were women, and the mean age was 59 +/- 11 (range 41-80) years old. The duration of the disease was 11 +/- 9 (range 3-40) years. The following complications were seen; Raynaud's phenomenon in all, esophageal disorders in 11, pulmonary fibrosis in 9, diabetes mellitus in 3, high blood pressure in 6, hyperlipidemia in 7, and positive anticardiolipin antibody in 8. Electrocardiography (ECG) and echocardiography were performed to assess the cardiac disorders. Abnormal ECG was seen in 11 patients (44%) and abnormal echocardiograms in 16 patients (64%). ECG abnormalities included incomplete right bundle branch block in 8 (32%), low voltage in 3 (12%), supraventricular arrhythmia in 3 (12%), ventricular arrhythmia in 1 (4%) and septal myocardial infarction pattern in 1 (4%). Echocardiographic abnormalities included valvular diseases in 13 (52%) and pericardial thickening in 7 (28%). No relationship was found between ECG and echocardiographic abnormalities. Echocardiographic abnormalities were more frequently observed in patients with positive anticardiolipin antibody (7/8, 88%) than in those with negative anticardiolipin antibody (9/17, 53%). Especially, pericardial thickening was seen in 63% (5/8) of positive patients, in comparison to 12% (2/17) of the negative patients (p < 0.05). Patients with progressive systemic sclerosis may have several cardiac disorders including conduction disturbances, low voltage ECG, valvular diseases and pericardial thickening. Pericardial thickening has a close relationship with positive anticardiolipin antibody.

Adult↗
PubMed1995

[Two autopsy cases of malignant mixed müllerian tumor of the uterus with metastasis to alimentary tract and liver].

Two autopsy cases (69 and 87-year-old women) of malignant mixed müllerian tumor (MMMT) following radiation therapy for uterine cervical cancer sixteen and twenty years ago respectively were reported. They were admitted due to abdominal pain and diagnosed as ileus. In the first case, CT examination revealed a tumor measuring about 8 x 10 cm in size in the uterine posterior wall. Recurrence of the uterine cancer was suspected and hysterooophorectomy combined with sigmoidectomy was performed. In the second case, artificial anus formation was performed because of sigmoid stricture by the invasion of the tumor. Histologically, tumors in both cases were composed of carcinomatous and sarcomatous components including heterologous elements such as cartilage. The patients died of extensive spreads and metastasis in the liver and alimentary tract.

Aged↗
PubMed1994

Clinical significance of coronary artery calcification.

Coronary artery calcification (CAC) was easily demonstrated by plain CT-scan. The aim of this study was to clarify the clinical significance of CAC in cardiovascular diseases. The subjects were 90 patients with ischemic heart disease (30 myocardial infarction, 50 exertional angina pectoris and 10 variant form of angina pectoris; 46 males and 44 females, 68 +/- 10 y/o) and 50 patients without ischemic heart diseases (30 hypertension, 10 arrhythmia, 3 valvular disease, 2 cardiomyopathy, 2 congenital heart disease and 3 others; 25 males and 25 females 65 +/- 9 y/o). CAC and calcification of thoracic aorta were evaluated by plain CT-scan (1 second scan time and 5 mm slice). The relationship between CAC and other clinical features (age, sex, hypertension, diabetes mellitus, hyperlipidemia, smoking, resting ECG, exercise stress ECG, aortic calcification and optic fundi) were studied. CAC were seen more frequently in patients with ischemic heart disease (63%), old age (67%), aortic calcification (70%) and positive exercise testing (64%). On the other hand, CAC were rare in variant angina (30%). In younger patients (under 70 y/o), CAC were seen more frequently in diabetic patients. But, in older patients, CAC were frequently in those with hyperlipidemia. These results suggested that CAC was associated with not only systemic arteriosclerosis, but also ischemic heart disease, except vasospastic angina. The prognostic value of CAC would be studied later.

Age Factors↗
PubMed1992

Antianginal effects of amlodipine at a single dose on exertional angina patients using treadmill exercise testing--a randomized crossover study in comparison with placebo.

With eight cases of stable exertional angina as subjects, the antianginal action and sustained effects of single 10 mg oral doses of new calcium antagonists amlodipine were assessed by treadmill exercise tests in randomized crossover trials with respect to a placebo. Exercise tests were conducted before as well as 4, 8, and 24 hours after administration, and plasma amlodipine concentration was investigated at the same times. The maximal exercise time was 299 +/- 43 seconds before as compared with 346 +/- 49 seconds 4 hours after administration and 368 +/- 50 seconds 8 hours after administration, a significant prolongation in each case (p < 0.01). Moreover, the exercise time elapsed until 1 mm of ST-segment depression, as well as the ST-segment depression measured at the same time, were both significantly improved as compared with the placebo results. The plasma amlodipine concentration reached a peak 8 hours after administration and displayed an effective level even 24 hours after administration. The value of delta PRP measured at the same time during the exercise test was also significantly reduced as compared with the placebo results, even 24 hours after administration of amlodipine. These findings supported the conclusion that single 10-mg doses of amlodipine provide stable antianginal action over a 24-hour period.

Administration, Oral↗