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Biomedical subjects

K Kakuta

Publications and source records attributed to K Kakuta.

10 recordsLinked to original sources
PubMed1992

[Unilateral persistent hyperhidrosis after ischemic stroke].

A 64-year-old right hemiplegic woman, who had been treated for hypertension for 15 years, was admitted to our hospital. Neurologic examination on admission disclosed right hemiplegia and motor aphasia; however, ophthalmoparesis, pupillary abnormality, and blepharoptosis were not evident. Excessive sweating on the right side of the body, which was most marked on the face, was observed. Amount of sweating on the left side of the body was normal. Unilateral hyperhidrosis persisted for more than 2 months. MRI revealed hemorrhagic infarctions in the left basal ganglia, internal capsule, thalamus, hypothalamus, and medial part of the cerebral peduncle. 123I-IMP SPECT disclosed hypoperfusion in the left striatum, thalamus, occipital cortex, and right cerebellar hemisphere. Cerebral angiography revealed arteriosclerotic changes in the basilar artery, but that the left posterior cerebral artery and its branches were not occluded. Unilateral persistent hyperhidrosis is rare after ischemic stroke. Hypothalamic lesion was thought to be responsible for the hyperhidrosis in this patient. As the hypothalamus receives its blood supply from the posterior cerebral artery, unilateral persistent hyperhidrosis may be an important sign of cerebral infarction in the posterior cerebral artery region.

Cerebral Infarction↗
PubMed1990

[Relationship between the total IgE levels and specific IgE antibodies].

In this study, nine allergens were selected; i.e. 1289 cases of d1, 1277 cases of e1, 1547 cases of f1, 1063 cases of t17 and others, for investigating the relationship between the total IgE level and RAST score. The results showed that the total IgE level was high in high d1 score, and 29 cases of low IgE level were observed in high f1 score groups. On the other hand, the comparison of the CAP system and the total IgE level showed. The result shows that one case of low total IgE value was found in highest d1 score group.

Allergens↗
PubMed1989

Chronic myelocytic leukemia probably promoted by growth hormone.

The study shows clinical evidence that growth hormone (GH) presumably promoted Ph1-positive chronic myelocytic leukemia in a 14-year-old boy who was receiving GH treatment for growth failure after surgery and irradiation for craniopharyngioma. Leukocytosis associated with immature myelocytic cells and low leukocyte alkaline phosphatase score appeared one year after GH treatment. Cytogenic study showed the presence of Ph1 chromosome.

Adolescent↗
PubMed1989

[Various kinds of glossiness of Au-Ag-Cu alloys with different surface finishes].

Nine experimental Au-Ag-Cu alloys with different surface finishes were measured for various kinds of glossiness using a digital variable gloss meter. Eight different methods of measurement for glossiness were chosen from the ones described in Japanese Industrial Standard Z 8741-1962. In addition to glossiness, color coordinates in the CIELAB color scale and surface roughness were measured. The compositions of the alloys were 40, 50, or 60 at% gold, 0, 20, or 40 at% copper, and 0-60 at% silver (balance). This study was initiated to collect fundamental data necessary to determine the most appropriate characteristic which could express the degree of tarnishing of various dental alloys independently of their own colors and compositions. Only one type of contrast glossiness based on two different receptor apertures with an incident angle of 60 degrees could demonstrate statistically significant differences between all the combinations of the different surface conditions analyzed. Effects of compositions on the values of various kinds of glossiness and color coordinates of the alloys with highly polished surfaces were statistically significant except contrast glossiness of different receptor apertures. Specular gloss and contrast gloss were considered to be as inappropriate as color of total reflected light in measuring the degree of tarnishing of dental alloys.

Color↗
PubMed1989

[Setting expansion of dental stone in hydrophilic addition type silicone impression].

The setting expansion of a dental stone poured in addition silicone impression materials was evaluated. Impressions were made of two different addition silicones (hydrophilic and hydrophobic) that had three different consistencies (injection, regular and putty). A dental stone which did not contain any additives was poured in the impressions and the setting expansion of the stone was automatically measured using an electric micrometer and a computer. The setting expansion of the stone that was poured in the impression did not significantly vary with the consistency of the silicones. On the other hand, the setting expansion of the stone in the hydrophilic silicone was significantly larger than that in hydrophobic silicone.

Calcium Sulfate↗
PubMed1985

Effects of prostaglandin E1 infusion in the pre-operative management of critical congenital heart disease.

Prostaglandin E1 (PGE1) was administered to 27 infants in whom pulmonary or systemic blood flow was entirely or significantly dependent upon the patency of the ductus arteriosus. In 12 patients with pulmonary atresia or severe pulmonary stenosis, PGE1 infusion was followed by an improvement in hypoxemia and acidemia (group I). In 2 patients with left ventricular outflow-tract obstruction, PGE1 infusion was followed by an improvement in arterial blood pressure, peripheral perfusion and urine output (group II). In 5 patients with d-transposition of the great arteries and intact ventricular septum who had persistent severe hypoxemia after creation of an interatrial communication, PGE1 infusion improved the arterial oxygenation with dilatation of the ductus arteriosus (group III). Seven patients (3 of group I, 2 of group II and 2 of group III) failed to respond to PGE1. There were no fatal side effects. It is concluded that PGE1 therapy is highly effective in stabilizing pre-operative conditions of infants with ductus-dependent congenital heart disease.

Alprostadil↗