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Biomedical subjects

H Nurse

Publications and source records attributed to H Nurse.

4 recordsLinked to original sources
PubMed1992

Impact of hemodialysis on left and right ventricular Doppler diastolic filling indices.

Hemodialysis is associated with acute reduction in intravascular volume. To assess the impact of volume reduction on left and right ventricular diastolic filling indexes obtained by Doppler echocardiography, 24 patients on chronic hemodialysis were consecutively studied before, during, and immediately after one hemodialysis session. Twenty four normal sex and age-matched volunteers served as a control group. Study patients had abnormal diastolic indexes when compared to controls. At 2 hours of dialysis (mid dialysis) there was a significant decrease in peak early mitral flow velocity (E), no change in peak atrial filling velocity (A), and a reduction in the E/A ratio. The deceleration time of the mitral E wave also was prolonged compared to baseline. Similar findings were observed with respect to right ventricular filling indices. These changes occurred during the first 2 hours of dialysis and remained unaltered at end dialysis. When patients were subdivided according to weight loss, only the group that lost 1 or more kilograms had significant changes in the Doppler parameters of the left and right ventricle, as well as reduction of the left ventricular dimensions. These findings suggest that preload reduction is the main mechanism that accounts for acute changes in Doppler diastolic indices observed during hemodialysis.

Analysis of Variance↗
PubMed1989

Active viral B hepatitis in parenteral drug abusers with acquired immune deficiency syndrome (AIDS).

Eighty-percent of 47 parenteral drug abusers with hepatomegaly and acquired immunodeficiency syndrome had HBV DNA in serum, although only 27% were HBsAg or "e" antigen-positive by polyclonal radioimmunoassay. Liver biopsies from each of 37 HBV DNA seropositive patients showed HBV DNA and were HBcAg-positive. The absence of positive HBsAg and "e" antigen in HBV DNA-positive patients was attributable to the presence of immune complexes; after in vitro dissociation of these complexes there was an increase in HBsAg from 24% to 86%, and of "e" antigen from 19% to 62%. These data indicate that actively replicating hepatitis B virus is common in patients with AIDS, and that precautions should be taken to prevent its dissemination. Therapy in these patients should address both human immunodeficiency and hepatitis B virus infections.

Acquired Immunodeficiency Syndrome↗
PubMed1986

Group participation and survival among patients with end-stage renal disease.

All 126 End-Stage Renal Disease (ESRD) patients who entered dialysis between 1971 and 1981 at the Harlem Hospital Center, New York City, were separated into those who had participated in a patient support group and those who had not done so. Patients who engaged in the group activities survived considerably longer than non-participants. Family history of renal disease, psychiatric illness, blood urea nitrogen (BUN), and creatinine were also related to survival, but, education, religion, marital status, and age were not. When 13 psychosocial and physiological covariates were controlled for in a Cox proportional hazard analysis, the group participation effect remained substantial.

Blood Urea Nitrogen↗