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Biomedical subjects

H Shigemoto

Publications and source records attributed to H Shigemoto.

12 recordsLinked to original sources
PubMed1997

A multinational study of the factorial structure and other characteristics of the Dartmouth COOP Functional Health Assessment Charts/WONCA.

BACKGROUND: The 'Dartmouth COOP Functional Health Assessment Charts/WONCA' constitute a relatively new derived instrument for assessing health status that is specifically intended for use in primary care on a world-wide basis. It needs further validation in its special area of use. OBJECTIVES: Over a range of countries, social backgrounds and case mixes, our aim was (i) to examine the factorial structure of the instrument; (ii) to explore how well it was understood; (iii) to check its acceptability; and (iv) to assess the value of the pictures on the charts. METHODS: The charts themselves, accompanied by a short questionnaire about the charts, were administered to 1719 patients at eight varied types of treatment centre in Canada, Japan, Nepal and Spain. The responses to the instrument were subjected to standard factor analysis and a special Q-type principal components analysis. The responses to direct questions about the charts were compared with the answers to open-ended questions. RESULTS: Factor analysis suggested a shared factorial pattern for all sites, with the first two factors accounting for 88.5% of the variability in correlations between the charts across the sites. The individual questions were understood by most patients, but a substantial minority did not appear to grasp the underlying purpose of the instrument. The instrument was well accepted. The pictures were considered to be helpful by most respondents, especially those at the Nepal sites. The variability in the scores for the individual charts across sites was less than expected and not always in the expected direction. CONCLUSIONS: The COOP/WONCA system continues to show promise, but needs more validation.

Canada↗
PubMed1985

Detection of the bleeding source from small intestine: intraoperative endoscopy and preoperative abdominal scintigraphy by technetium 99m pertechnetate.

Bleeding ulcerative lesions of the small intestine often present difficult diagnostic problems. Useful techniques to establish a diagnosis include abdominal scintigraphy using technetium 99-m pertechnetate and intraoperative endoscopic examination of the intestine. Our experience with these techniques is based on 25 patients who were treated in 1974-1983. In 18 adults, the diagnoses included Crohn's disease, non-specific ulcers and intestinal tuberculosis. In 6 of the 18 adults, the source of bleeding was difficult to determine during laparotomy and diagnosis was established by intraoperative endoscopic examination. In the seven children, the diagnoses included ectopic gastric mucosa and lymphoid hyperplasia. In the children, abdominal scintigraphy was used as a preoperative measure to detect the bleeding source.

Adolescent↗
PubMed1985

[Acute appendicitis: a study on 118 patients].

One hundred eighteen patients with acute appendicitis operated on at Kawasaki Medical School Hospital during the 8-year period from Aug. 1, 1976 to Feb. 29, 1984 were reviewed. There were 78 children and 40 adults. The clinico-pathological types of acute appendicitis were: simple acute in 35 cases (29.7%); phlegmonous in 30 cases (25.4%); gangrenous in 24 cases (20.3%) and perforated in 29 cases (24.6%). Of the 78 children, 27 (34.6%) had perforated appendixes, whereas of the 40 adults only 2 (5.0%) showed perforated appendicitis. The initial symptoms were abdominal pain in 96.6%; nausea, vomiting or both in 33.1%, and fever in 11.9%. The physical findings on admission were abdominal tenderness in 99.2%, rebound tenderness in 52.5% and palpable mass in 17.8%. The mean body temperature on admission was 37.2 degrees C, and mean WBC count was 12,900/mm3. The roentgenography of the abdomen revealed the "sentinel loop sign" in 66.3%. In the patients under 15 years of age, the frequency of perforation seen in those underwent operation within 24 hours after onset and in those after 24 hours was 12.7% and 56.4%, respectively. From this result, it is advised that all the young patients suspected of having acute appendicitis should be admitted to the hospital promptly, and the diagnosis should be made within 24 hours.

Acute Disease↗
PubMed1980

Development and cytodifferentiation of C cell complexes in dog fetal thyroids. An immunohistochemical study using anti-calcitonin, anti-C-thyroglobulin and anti-19S thyroglobulin antisera.

The development of C-cell complexes was investigated in dog fetuses by an immunoperoxidase method with three specific antisera: anti-calcitonin, anti-C-thyroglobulin (C-Tg), and anti-19S thyroglobulin. Ultimobranchial bodies joined with the thyroid anlage and then dispersed into the parenchyma to form large C cell groups. Sparse reaction products of C-Tg initially appeared in C cells with small amounts of cytoplasm. Later at about day 39 of gestation, when the immunoreactivity of calcitonin and 19S thyroglobulin appeared weakly in C cells and follicular cells, C-cell complexes were identified as large cell masses containing numerous undifferentiated cells without no immunoreactivity for any of the antisera. As development proceeded, the undifferentiated cells developed progressively the morphology of C cells. In addition, the undifferentiated cells developed 19S thyroglobulin immunoreactivity, that is, within some of the complexes small clusters of cells filled with material immunoreactive for 19S thyroglobulin. They were not organized into follicles during the fetal period, and were very slow in development. Depending on the degree of development of the undifferentiated cells, several features of the complexes were noted. The present study indicates that not only C cells but also follicular thyroid cells appear to be derived from the ultimobranchial bodies.

Animals↗
PubMed1978

Neonatal meconium obstruction in the ileum without mucoviscidosis.

Two newborns with intestinal obstruction of the terminal ileum without mucoviscidosis were cured by Gastrografin enema. A further case of a premature infant showed, at autopsy, a large intestine containing normal meconium, but an ileum which was plugged with tenacious meconium containing PAS-positive and alcian blue-negative mucus. Our 3 cases were similar to cases of "meconium disease" reported by Rickham and of "meconium plug in the small intestine" reported by Emery. The primary cause of this disease lies in the large amount of PAS-positive mucus secreted from goblet cells of the ileal mucosa and the hypertrophy of lymph nodules in the ileal submucosa.

Contrast Media↗