Human chorionic gonadotropin for AIDS-related Kaposi's sarcoma.
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Biomedical subjects
Publications and source records attributed to K Fife.
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In order to determine the incidence of cataract surgery following total body irradiation (TBI), questionnaires were mailed to 173 surviving patients who had received single fraction TBI for haematological malignancies. All patients had undergone bone marrow transplantation at the Royal Marsden Hospital, Surrey, between 1977 and 1991. Replies were received from 135 patients (78%). Fifty-four patients had required cataract surgery. The probability of requiring surgery for cataract at 2, 5 and 10 years post TBI was 5%, 39% and 58%, respectively. No cataract surgery was performed at less than 2 years after the time of TBI, and 12 years is the longest interval, prior to surgery, recorded so far. From a number of potential risk factors, those found to predict independently for cataract surgery, and their relative risk (RR) factors, were: cranial radiotherapy preceding TBI (RR 4.2 for patients irradiated in year prior to TBI, 3.3 for others irradiated); skull dose (RR 2.3 for patients over 25 years at time of TBI); TBI dose rate (RR 2.1 for dose rate > 3.5 cGy/min). An additional 31 patients (22%) reported the presence of cataracts which had not yet required surgery.
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Foreskins from 70 unselected infants undergoing routine circumcision were analyzed by dot blot hybridization for the presence of DNA related to that of human papillomavirus (HPV) type 6, 11, 16, or 18. Three foreskins (4%) contained HPV DNA; two contained DNA related to HPV-16, and one contained DNA related to HPV-6. These results suggest that neonates exhibit evidence of a relatively high incidence of exposure to HPV. The outcome of exposure may be initially asymptomatic. A retrospective study of maternal charts showed six mothers with abnormal Pap smears, but no correlation could be identified between these mothers and the HPV-positive foreskins.
Three double-blind, placebo-controlled evaluations of acyclovir were performed in first-episode genital herpes infections. In one trial intravenous acyclovir or saline was administered in hospital over 5 days. In the other two trials, 10-day courses of oral, or 7-day courses of topical acyclovir and respective placebos were followed up in the outpatient department. Regular assessments included staging examinations, culture of lesions and blood and serum analyses. No patient discontinued medication because of an adverse reaction, although one quarter of topically treated patients complained of local irritation on application. The placebo-controlled evaluations indicate that, if given within the first 7 days after the onset of lesions, topical, intravenous and oral acyclovir are useful in shortening the course of first-episode primary genital herpes. The clinical and virological effects of intravenous and oral acyclovir were more marked than those of topical treatment in the reduction of viral shedding; the time to complete healing of lesions; and in the reduction of new lesion formation. Systemic preparations of acyclovir also decreased the symptoms of herpes simplex virus urethritis and intravenous acyclovir those of herpes simplex virus cervicitis. Neither systemic treatment, however, was effective in delaying or reducing the frequency of subsequent recurrences, which may be related to the development of early ganglionic infection. Despite this, acyclovir treatment is a significant advance in the management of primary genital herpes.