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Biomedical subjects

J L Stuart

Publications and source records attributed to J L Stuart.

8 recordsLinked to original sources

The changing role of "second-look" laparotomy in the management of epithelial carcinoma of the ovary.

Thirty-seven of 137 patients had a "second-look" laparotomy in the course of their management of carcinoma of the ovary. Patients were stratified according to three indications: (1) evaluation of disease with intent of stopping therapy, (2) assessment of signs of recurrent or persistent disease with a view to debulking tumor mass and changing chemotherapy, and (3) further tumor resection following cis-platinum combination therapy and determination of further chemotherapeutic agents. "Second-look" laparotomy may be performed after a shorter time interval when combination therapy is given because of the dose-limiting side effects of some of these agents and a more aggressive surgical approach in debulking tumors. At the time of laparotomy, cytologic testing is performed on the peritoneal fluid, and only areas suspicious for malignancy are biopsied. Thirteen percent of patients with no evidence of disease at "second-look" laparotomy developed recurrent disease. Twenty-nine percent of patients classified as clinically free of disease had malignancy present at the time of operation. Continued routine use of "second-look" laparotomy after appropriate chemotherapy is recommended.

Adenocarcinoma

A long-range implantable heart rate transmitter for free-ranging animals.

The design and operating characteristics of a heart rate transmitter designed for a wild grizzly bear (Ursus arctos) study is described. The rigid capsule is durable and is easily implanted in the field. The transmitter can be regularly monitored at 4-5 km and has a life expectancy of about 1 year in bears which experience winter torpor, and thus reduced heart rate, for about 7 months in northern Alaska.

Animals

Mycotic aneurysm of the thoracic aorta caused by Aspergillus fumigatus.

A 54-year-old diabetic patient had unexplained fever and embolic occlusion of the splenic, right renal, right hypogastric, right superficial femoral, and left popliteal arteries. Aspergillus fumigatus was recovered from a femoral clot. An aortogram revealed a mycotic aneurysm of the thoracic aorta to be the source of the infected emboli. Surgical excision of the aneurysm and therapy with amphotericin B were unsuccessful.

Aneurysm, Infected