Biomedical subjects
Publications and source records attributed to C C Kibbler.
We describe what is believed to be the first bone marrow transplant patient, a 32-year-old man, in whom pulmonary cryptosporidiosis was associated with terminal respiratory failure. The diagnosis, treatment and postmortem histology are discussed together with a brief review of the literature.
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The haemolytic-uraemic syndrome is the term used to describe the symptom complex of acute oliguric renal failure, haemolysis, and thrombocytopaenia. The pathogenesis of the syndrome is unknown though several factors have been postulated as important. Gastrointestinal disease is now recognised as a regular feature of the syndrome but hepatic involvement is uncommon and limited to occasional jaundice, hepatosplenomegaly and rises in serum transaminase values. A patient is described in whom cholestatic jaundice occurred during the prodromal illness. Its presence is unexplained but might indicate infection with an unrecognised hepatotropic agent or else lack of enteral nutrition during the prodromal phase.
Hepatic artery aneurysms occur infrequently and are often difficult to diagnose. Non-invasive procedures such as ultrasound or computer assisted tomography have not been considered suitable for definitive diagnosis and angiography is usually required. A patient is described in whom a mycotic hepatic artery aneurysm developed during the course of subacute bacterial endocarditis. The definitive diagnosis was made using computer assisted tomography with intravenous contrast enhancement and angiography was undertaken only as a prelude to transcatheter embolisation. The same technique was used to monitor progress after embolisation precluding the need for follow up angiography. As 80% of patients with hepatic artery aneurysm present for the first time after aneurysm rupture, the mortality associated with this condition is high. More widespread use of intravenous contrast enhanced tomography for abdominal examination in patients with unexplained abdominal pain might result in earlier diagnosis of this condition.
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PURPOSE: This prospective study assessed the incidence of transvaginal probe contamination and breakage of condoms used to cover those probes during transvaginal sonography. METHODS: Over a 9-month period, 214 women underwent transvaginal sonography with probes that had been coated with gel and then covered with a latex condom. Condom defects were detected after the scans by inspection, by adding hydrogen peroxide, and by filling the condoms with 500 ml of water. After the condoms were removed, the probe was either wiped with a dry tissue (during the first 18 weeks of the study) or wiped first with a dry tissue and then with a 70% isopropyl alcohol wipe. Probe head contamination was assessed by periodic swab sampling and culturing for bacteria and herpes simplex virus. Samples of the sonographic gel also were tested for bacterial contamination at approximately weekly intervals. RESULTS: A total of 217 condoms were used, 3 of which broke and were discarded while being applied to the probe. Two of the 214 condoms used (0.9%) were found upon visual inspection to have perforations. None of the other 212 condoms leaked upon being filled with water; none of the 204 condoms tested with hydrogen peroxide showed bubbles. Only 1 of the 46 probe swab samples was positive for bacteria (Acinetobacter species); none of the 26 probe swab samples cultured for viruses or the 25 gel samples cultured for bacteria were positive. CONCLUSIONS: Condoms used to cover transvaginal probes showed a low rate of perforation. Disinfection of the probe with isopropyl alcohol wipes further reduced the risk of contamination.