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Biomedical subjects

J Hamilton

Publications and source records attributed to J Hamilton.

At least 199 records · Page 11Linked to original sources
PubMed1980

Beyond permanency planning.

With permanency planning taking the spotlight increasingly in the field of foster care, it becomes urgent to examine the definition of permanency, the effect on practice, and the implications for service delivery.

Child↗
PubMed1979

The use of the diving reflex to terminate supraventricular tachycardia in a 2-week-old infant.

The use of the diving reflex to terminate a case of paroxysmal supraventricular tachycardia (PST) is described in a 2-week-old infant who presented in severe congestive heart failure with supraventricular tachycardia at a rate of 300. The infant's face was placed in a basin of ice water at 5 degrees C. for 5 seconds with manual occlusion of the infant's nostrils to prevent aspiration. The PST converted to a sinus rhythm of 120 within 3 seconds of facial immersion. The physiology of the diving reflex is reviewed and the uses and hazards of this reflex in terminating attacks of PST in infants is discussed.

Diving↗
PubMed1979

Adrenergic- and cyclic nucleotide-induced glycerol release from brown adipocytes.

Previous work has shown that although both alpha- and beta-agonists stimulate brown fat heat production, the beta agonist is quantitatively more effective. The finding in the present study that isoproterenol, a beta-agonist, significantly stimulates net glycerol release from isolated hamster brown adipocytes while the alpha-agonist, phenylephrine does not, may account (at least in part) for the differential thermogenic response to the two types of agents. The present study also compared lipolytic responses to AMP, cAMP, cGMP and theophylline, with the results indicating a greater rate of net glycerol release being induced by AMP and by cAMP than by theophylline or cGMP plus theophylline.

Adenosine Monophosphate↗
PubMed1979

Successful coping styles in professional women.

This paper describes the experiences of seven women mental health professionals who met in a leaderless group over a period of a year and a half. There is a discussion of the conflicts for women in four major areas--competition, dependency needs, economic success and the search for role models, and the suggestion of possible successful resolutions in these conflict areas. The resolutions are a result of individual experiences and discussions in the group.

Adaptation, Psychological↗
PubMed1978

Type B hepatitis after needle-stick exposure: prevention with hepatitis B immune globulin. Final report of the Veterans Administration Cooperative Study.

Hepatitis B immune globulin (HBIG) and immune serum globulin (ISG) were examined in a randomized, double-blind trial to assess their relative efficacies in preventing type B hepatitis after needle-stick exposure to hepatitis B surface antigen (HBsAG)-positive donors. Clinical hepatitis developed in 1.4% of HBIG and in 5.9% of ISG recipients (P = 0.016), and seroconversion (anti-HBs) occurred in 5.6% and 20.7% of them respectively (P less than 0.001). Mild and transient side-effects were noted in 3.0% of ISG and in 3.2% of HBIG recipients. Available donor sera were examined for DNA polymerase (DNAP) and e antigen and antibody (HBeAg; anti-HBE). Both DNAP and HBeAg showed a highly statistically significant correlation with the infectivity of HBsAg-positive donors. Hepatitis B immune globulin remained significantly superior to ISG in preventing type B hepatitis even when the analysis was confined to these two high-risk subgroups. The efficacy of ISG in preventing type B hepatitis cannot be ascertained because a true placebo group was not included.

Adolescent↗