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Biomedical subjects

T Yamashiro

Publications and source records attributed to T Yamashiro.

113 records · Page 7Linked to original sources
PubMed1977

Five-year survivors among children with acute leukemia in Japan.

This Japanese nation-wide survey was carried out on long-term survivors among children with leukemia, i.e. those who had survived more than 5 years by October of 1974. Eighty-three children were surveyed. This was about 2.5 times as many as the 31 children surveyed in the first Japanese nation-wide survey in 1971. Clinical and laboratory data were also analyzed statistically and compared to that of the first survey. Most of the children had received inductive therapy according to the old protocol, but 10 children were treated with a combination of VCR and steroids. Nine of these 10 were still in a state of remission. CNS involvement occurred in 15.3% of the cases and a late onset of this complication implied a prognostic significance: among the 9 children whose complication had occurred 3.5 years after onset of the disease, 6 died. The relapse rate decreased between the 4th and 5th year after initiation of maintenance therapy. The percentage of the risk of death became zero after the 9th year.

Adolescent↗
PubMedDate not supplied

Electrophysiological delineation of the specialized conduction system during cardiotomy and its clinical appraisal.

The specialized conduction system was delineated electrophysiologically during cardiotomy, primarily to discover the topographic relations between the conduction system and the intracardiac structures. A series of 72 cases operated on for congenital cardiac anomalies was studied. A superficial location of the His bundle along the lower rim of the defect was often noticed in cases of large ventricular septal defect (VSD) of type II or III, whereas a marked leftward deviation was noted, in cases of tetralogy of Fallot (TOF). Significant deflections were commonly recorded on the tricuspid annulus a few mm below the defect, and frequently on the lower rim behind the muscle of Lancisi (ML) in both VSD and TOF (left ventricule side in TOF). Particular care should be taken in these areas, during closure of any defect. The ML was found to be a rough landmark for the right bundle branch, although topographic relations were slightly altered according to the type of disease. The change may also depend on whether the perimembranous defect is of the inlet- or outlet-type.

Adolescent↗