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Biomedical subjects

A Ueyoshi

Publications and source records attributed to A Ueyoshi.

26 records · Page 2Linked to original sources

[Accumulation velocity of 99mTc-HMDP in hip joint diseases].

The accumulation rate and velocity of 99mTc-hydroxymethylene diphosphonate (99mTc-HMDP) in hip joints were determined within four minutes after a bolus of injection of 99mTc-HMDP in the patients with hip joint disorders. There exist a significant relationship between accumulation velocity of 99mTc-HMDP in the affected joint and serum osteocalcin in the patients with eight cases of degenerative osteoarthropathy and six cases of femoral necrosis. This result indicates that the accumulation velocity of 99mTc-HMDP in the affected joint is likely to become a marker of bone turnover in hip joint disorder.

Adult↗

[Magnesium, parathyroid hormone and osteocalcin in the sera of hospitalized patients with chronic alcoholism].

Levels of parathyroid hormone (PTH) and osteocalcin in hypomagnesemic sera of chronic alcoholism patients were carried out to evaluate the roles of chronic alcohol poisoning on bone metabolism. Serum gamma-GTP activity showed inverse relationships among serum Mg and osteocalcin in these patients and PTH levels were also more decreased in these patients than in healthy subjects. These results indicated that the direct actions of alcohol might be brought about by the deterioration of bone metabolism, due to the decrease of serum PTH and osteocalcin levels by chronic alcohol poisoning.

Alcoholism↗

[The study in the relationship between serum calcium and serum parathyroid hormone (PTH) by employing the various kits of PTH assay].

In order to evaluate the influences of serum PTH assay in the various concentrations of serum calcium, we divided into three groups which serum calcium had below 8.0 mg/dl, 8.2 mg/dl to 9.8 mg/dl and above 10.0 mg/dl at random samples and assayed PTH in serum sample, using various kits of PTH assay obtained from commercial sources. Our results suggested that the measurement of serum PTH influenced by the concentration of serum calcium and therefore, should be taken an attention of serum calcium in each sample.

Calcium↗

[The measurement of serum human parathyroid hormone (h-PTH53-84) and effect of exercise on calcium metabolism].

This study was focussed our attention on the measurement within the upper physiological level of human serum parathyroid hormone (PTH), using kits of human PTH 53-84. This assay kit was able to detect serum PTH in sera with subtle changes of serum calcium concentrations before and after short term exercise. These serum PTH levels before and after exercise seemed to be changed within the upper physiological levels of PTH. Thus, this study suggested that the assay kit was likely to become a useful tool of the measurement of the physiological level of serum PTH in humans.

Adult↗

Studies on spinal braces. With special reference to the effects of increased abdominal pressure.

Strong pressure exerted upon the abdomen by a fabric corset for a long period might cause abnormal increase in the intraabdominal pressure. This may possibly result in disturbance of the viscera. Therefore, we measured changes in the intraabdominal pressure and the pressures in the abdominal aorta, vena cava and portal vein. We also examined the histological changes in the liver in normal adult dogs wearing a fabric corset for a long time. We found that the pressure in the abdominal aorta remains almost constant, although the intraabdominal pressure and the pressures of vena cava and portal vein were increased. This may indicate the presence of congestion. Histological findings in the liver tissue of dogs suggest the presence of some abnormality. We have developed a dynamic and functional "Wakayama Medical College" type of spinal brace as a result of these findings.

Abdomen↗