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Biomedical subjects

D Nestor

Publications and source records attributed to D Nestor.

7 recordsLinked to original sources

Low back injuries among home health aides compared with hospital nursing aides.

Data were collected from all incident reports of low back injury during 1984-1986 among nursing aides at one hospital and home health aides at two agencies in the Baltimore-Washington area. Respective rates of injury were 5.9/100 FTE's and 15.4/100 FTE's (p < 0.001). A majority of injuries occurred during patient-related, planned activities and without the use of lifting equipment. Forty percent of the events occurred at the bedside. Eighty-eight percent of home health aides were working alone compared with 39 percent of NAs. Ergonomic interventions may be an effective strategy to reduce injuries, since 50 percent of the events involved lifting and pushing/pulling activities.

Accidents, Occupational↗

Different behaviour of thymus in hosts bearing skin homografts or ehrlich ascites carcinoma.

Thymus behaviour in A2G male mice transplanted with skin homografts or Ehrlich ascites carcinoma was followed for a period of 28 days. In comparison with control mice of the same strain in which only a slowly physiological involution of the thymus was observed, a marked, irreversible involution was seen in the tumour-bearing mice in contrast with the transient, completely recovered involution in animals transplanted with skin homografts. Thymus behaviour appears as the major structural difference between a host developping a strongly efficient or an inefficient immune response.

Animals↗

Elastosis in breast carcinoma.

Elastosis, the significant increase of elastic tissue, was identified by histochemical methods in 45 (53.5%) cases of an unselected series of breast cancers. They were all invasive ductal carcinomas with or without tubular differentiation. The highest proportion of tumors with elastosis was found in the "scirrhous" type of carcinomas. Elastosis was preponderantly of the focal variety, periductal and perivenous. The affected ducts were of large calibre, containing a normal, benign hyperplastic or carcinomatous epithelium. There were not observed correlations with the grade of malignancy and the extent of axillary lymph node metastases.

Adenocarcinoma↗