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Biomedical subjects

Y Samra

Publications and source records attributed to Y Samra.

At least 19 recordsLinked to original sources

Long-term follow-up after leptospirosis.

Human leptospirosis is an infectious disease that is a substantial problem in the Third World, but it can occur in developed countries as well. Survivors of the acute disease are considered to recover without sequelae, though little literature exists on long-term follow-up among these patients. Eleven patients, at an average of 22 years after acute leptospirosis, were reevaluated for possible delayed sequelae. Results showed that liver and renal disease had resolved, but headache and ophthalmic sequelae persisted. Even though the number of patients involved in this study is small, it appears that the eyes, particularly the anterior chambers, may be the site of continuing morbidity after acute human leptospirosis. The pathogenesis for persistent headache is not known.

Acute Disease

Ergotamine-induced solitary rectal ulcer.

A rare case of ergotamine-induced solitary rectal ulcer is described in a 41 year old woman who used high doses of ergotamine tartrate-containing suppositories for severe migraine headaches. Complete recovery of the ulcer was noticed after cessation of treatment with the suppositories. The relevant literature is discussed.

Adult

Relapse of rickettsial Mediterranean spotted fever and murine typhus after treatment with chloramphenicol.

In the years 1975-1984, 132 patients with rickettsial Mediterranean spotted fever and murine typhus were treated with chloramphenicol or tetracycline. Among the 24 patients who received chloramphenicol ten relapsed and one failed to respond at all. None of the 108 recipients of tetracycline suffered a relapse. It appears that tetracycline should serve as first-line therapy in several rickettsial diseases.

Chloramphenicol

Drug-induced post-surgical haemorrhage resulting from trimethoprim-sulphamethoxazole. A case report.

A case of life-endangering post-operative haemorrhage due to thrombocytopenia resulting from administration of trimethoprim-sulphamethoxazole is described. Withdrawal of the drug led to complete recovery. This side effect should be kept in mind, especially in patients scheduled for surgical intervention. As thrombocytopenia may develop insidiously and gradually, it is highly recommended to perform full blood tests immediately prior to surgery and repeat them in the post-operative period.

Aged

Hairy cell leukemia with an autoimmune syndrome, paraproteinemia, and cryoglobulinemia.

We have described an 82-year-old man with HCL who had autoimmune manifestations, paraproteinemia, and cryoglobulinemia. Chemotherapy resulted in a dramatic response, with a decrease in the tumor mass, a reduction in the clinical and serologic features of the autoimmune syndrome, and disappearance of the cryoglobulin, but without a significant change in the serum level of paraprotein.

Aged

Acute myocardial infarction in pregnancy and puerperium.

Myocardial infarction during pregnancy and puerperium is very rare. Increased awareness of its possible occurrence is important for diagnosis. A young woman who developed acute myocardial infarction 14 days after labor is described. She had no coronary risk factors; coronary angiography was not done, but ergometric test involving maximal stress done 22 months after confinement did not reveal signs or symptoms of disease. An additional 62 women with myocardial infarction, 51 during pregnancy and 11 in puerperium, reported in the literature were reviewed. The following points were observed: (1) Hypertension was present in 25% of cases. (2) Four out of 6 coronary angiograms performed after the infarct were normal. (3) Fifteen patients died (24% mortality). (4) Coronary atherosclerosis was the main finding in 7 out of 9 post-mortem examinations.

Adult

Delayed neurologic display in murine typhus. Report of two cases.

Two cases of murine typhus with prolonged neurologic manifestations appearing after the febrile stage of the illness are described. One patient had behavioral and memory disturbances for almost 18 months after defervescence, which terminated gradually without specific therapy. The second patient had similar manifestations over a period of weeks that rapidly resolved after tetracycline therapy. Such phenomena were not previously described in the literature, as far as we know, although similar manifestations were noted in Rocky Mountain spotted fever.

Adult

Antibiotic cost reduction by providing cost information.

Antibiotic cost information was added to the computerized print-out for each patient of microbiology culture results, next to the antibiotic susceptibility list. During the first six months of this addition, the average monthly cost of antibiotics decreased by 16.5% ($7636) compared to the 12 months period preceding the study period. The average antibiotic cost per admission decreased by 15.7% ($1.61) and the average antibiotic cost/hospital day decreased by 10.6% ($0.23). Antibiotic savings were highest in the Department of Obstetrics and Gynaecology (21.7%) and lowest in the Department of Paediatrics (10.8%). Two-thirds of the average savings were initiated by the house-staff and the remainder by infectious disease consultants. The effect of this system on the level of medical care remains to be studied.

Anti-Bacterial Agents

Graves' disease presenting as pyrexia of unknown origin.

Fever is a common clinical manifestation of inflammatory processes of the thyroid and thyroid crisis. On the other hand, fever alone as a presenting symptom of thyrotoxicosis, without other manifestations, is extremely rare. A female patient is described in whom fever persisted for two months prior to hospitalization, but without clinical symptoms or signs to lead to suspicion of thyroid disease. After exhaustive investigation it was found that the patient was suffering from hyperthyroidism. Fever disappeared gradually on antithyroid therapy, recurred when the drugs were withdrawn for a rechallenge trial, and cleared up again after renewal. Four other cases of persistent fever as a presenting symptom of hyperthyroidism were found on a review of previous publications. Thyrotoxicosis should, therefore, be included in the differential diagnosis of pyrexia of unknown origin.

Female

Primary pneumococcal peritonitis in patients with cardiac ascites: report of 2 cases.

Two patients with fatal spontaneous pneumococcal peritonitis associated with ascites due to severe heart failure are reported. Remarkable clinical features included gradual onset and absence of fever and signs of peritonitis. Only 1 case of spontaneous bacterial peritonitis associated with cardiac ascites was described previously and was caused by enterococcus.

Adult