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Biomedical subjects

E Katz

Publications and source records attributed to E Katz.

332 records · Page 19Linked to original sources
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Eat for health: a nutrition and cancer control supermarket intervention.

The growing evidence linking dietary patterns to the incidence and prevention of chronic disease has prompted a number of prominent health and scientific agencies to publish dietary guidelines for the public. Some dietary guidelines address specific diseases, such as cancer or heart disease; others focus on overall health promotion. This situation has created a demand for nutrition education and information programs for the public. Increasingly, supermarkets are seen as potential sites for effective consumer education. Eat for Health is a joint research study by the National Cancer Institute (NCI) and Giant Food Inc., a regional supermarket chain in the Washington-Baltimore area. The study's goal was to test the feasibility of supermarkets as a site for consumer nutrition education. Eat for Health's educational focus was diet and cancer control issues in the context of dietary patterns that promote health. Particular attention was paid to reduction of fat intake and increases in consumption of dietary fiber from grains, vegetables, and fruits. Analysis of program results is currently underway; data should be available in early 1990.

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Elevated virulence of Newcastle disease virus strains following serial passages in kidney cells in vitro.

Serial passage of two lentogenic Newcastle disease virus (NDV) strains in kidney cell lines increased virulence and changed viral biological properties. In two cell lines (BHK and MDBK), elevation in virulence was demonstrated by plaque formation under an overlay with no additives, decrease in mean death times, elevated intracerebral pathogenicity index, and cytopathic effect in chicken embryo fibroblasts. Some other markers not directly correlated to virulence, such as heat inactivation of hemagglutinin and neuraminidase, were not influenced by passage in kidney cells. In addition, all strains were slow eluters. This observation emphasizes the importance of preventing the virus from reaching the viscera.

Animals↗
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[Vaginal sonographic flow measurements in the uterine artery in pregnancy--advantages of the pulsed Doppler method].

Uterine artery velocimetry was performed transvaginally in 42 healthy pregnant women by means of a newly developed "panorama" sector scanner which provides a real time image of the vessel in combination with the recording of a pulsed and gated Doppler signal. Measurements were made on both uterine arteries and averaged. A/B ratios and pulsatility indices declined as pregnancy advanced. A/B ratios I. Trimenon vs. III. Trimenon = 5.44 vs. 2.20, PI = 2.59 vs. 1.32. These changes may be secondary to the conversion of spiral arteries into dilated tortuous vessels by the trophoblast invasion. Flow velocity measurements of the proximal uterine arteries provide a summery of the blood supply to all the arcuate arteries. This method will enhance our understanding of adequate placentation and may provide a new tool in the diagnosis and monitoring of complicated pregnancies.

Arteries↗
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The first in situ split of a liver in the USA performed by two geographically distant transplant centers--enhancing, sharing, and expanding the cadaveric liver organ pool.

In situ split of the liver was performed in a heart-beating cadaveric organ donor for the first time in the U.S.A. by two geographically distant transplant centers. The procedure, initiated by a transplant team in Oklahoma City, was a joint project of the transplant teams from Oklahoma City and New York City. The in situ split resulted in two liver grafts. A left graft (left lateral segment) which was transplanted into a 7-year-old pediatric recipient in Oklahoma City and a right graft (right lobe and segment IV) which was transplanted into a 52-year-old adult recipient in New York City. Initial graft function was excellent in the two patients. The adult recipient was discharged home 10 days after the transplant and is doing well. The pediatric recipient died two and a half months later from multi-system organ failure. The recently introduced in situ split technique provides two excellent liver grafts from one donor and enhances sharing of liver grafts between transplant centers.

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