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Biomedical subjects

J Knight

Publications and source records attributed to J Knight.

At least 181 records · Page 10Linked to original sources

Metomidate, etomidate and fentanyl as injectable anaesthetic agents in mice.

Light surgical anaesthesia lasting 12-15 min was produced by metomidate at 50 mg/kg and by etomidate at 30 mg/kg after intraperitoneal injection. Full surgical anaesthesia lasting about 160 min was achieved after subcutaneous injection of a metomidate-fentanyl mixture (60 mg/kg: 0.06 mg/kg) and this proved superior to etomidate-fentanyl given subcutaneously or intraperitoneally. It was concluded that metomidate-fentanyl is superior to pentobarbitone and tribromoethanol as an injectable anaesthetic for mice.

Anesthesia, General↗

Documentation of Epstein-Barr virus infection in immunodeficient patients with life-threatening lymphoproliferative diseases by clinical, virological, and immunopathological studies.

Multiple methods, pedigree analysis, clinical evaluation, and Epstein-Barr virus (EBV)-specific serology, EBV DNA hybridization of tissues to probe for viral genome, staining of touch imprints for EBV nuclear-associated antigen, establishment of spontaneous infected B-cell lines from peripheral blood or tissues, examination of peripheral blood smears, and hematopathology studies, were used to study seven patients with the X-linked lymphoproliferative syndrome and seven additional patients with life-threatening EBV-associated diseases. These studies demonstrated EBV in the tissues of all 14 patients and immunodeficient antibody responses to EBV were documented. This virus can produce various life-threatening lymphoproliferative diseases in a variety of immunodeficient patients.

Adolescent↗

Sigmoidoscopic reduction of sigmoid volvulus.

Twenty-six patients were treated for a volvulus of the sigmoid colon between January, 1971, and June, 1979. Eight patients had an emergency resection and, although there was a high postoperative morbidity, there were no deaths in this group. An attempt to decompress the volvulus by means of a rigid sigmoidoscope was made in 18 patients. This was successful in 14 patients. Six of these patients suffered a recurrence, and perforation occurred in four patients, three of whom subsequently died. Because of the high risk of perforation, care should be taken with this procedure.

Aged↗

Nesidioblastosis in children.

Three cases in which seizure disorder was first noticed were examined in the last seven years; low fasting glucose and high serum insulin levels then led to the diagnosis of severe hypoglycemia secondary to nesidioblastosis. Hypoglycemic episodes were uncontrolled by frequent oral feedings and intravenous administration of dextrose, glucagon, and diazoxide. Within three weeks after diagnosis, all three patients underwent subtotal pancreatectomy; all three survived and have been followed-up for two to seven years. Two remain euglycemic and have no evidence of CNS damage. The third has occasional fasting hypoglycemia that is treated with diazoxide; he continues to have a seizure disorder and is mentally retarded. Neonatal hypoglycemia secondary to hyperinsulinism requires prompt recognition and aggressive treatment to avoid irreversible CNS damage. Subtotal pancreatectomy safely and effectively restores the euglycemic state.

Adenoma, Islet Cell↗

The haves who feel more like have-nots.

The present and future problems of a so-called 'over-provided' region are defined and delved into by author, who asserts that even with existing human ingenuity the solutions will take time and painstaking planning.

Health Resources↗

Peer review.

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Australia↗

Medical manpower.

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Australia↗