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Biomedical subjects

Y Maaravi

Publications and source records attributed to Y Maaravi.

24 records · Page 2Linked to original sources

Multiple brain abscesses caused by Streptococcus bovis.

A case of multiple brain abscesses caused by Streptococcus bovis in a 28-year-old man is described. Infected bronchiectasis is presumed to be the source of infection. Streptococcus bovis infection is a rare cause of brain abscess. The aetiology and manifestations of this infection are discussed.

Adult↗

Partial resistance to anticoagulation after streptokinase treatment for acute myocardial infarction.

This study examines the response of 3 different groups of patients to anticoagulants: 50 patients previously treated with streptokinase for acute myocardial infarction (AMI) (group 1), 24 patients with AMI who had received anticoagulants without prior thrombolysis (group 2) and 11 subjects who received anticoagulants for noncoronary indications (group 3). No significant differences were detected between groups 2 and 3; therefore, they were combined for analysis. After streptokinase, patients required 37,755 +/- 1,516 (mean +/- standard error of the mean) U of heparin per day to achieve the desired activated partial thromboplastin time (APTT). The dosage was 30,294 +/- 1,089 U/day in patients without antecedent thrombolysis (p less than 0.001). Group 1 patients required 5 +/- 0.4 days until adequate anticoagulation was achieved, compared with 3 +/- 0.2 days in the control group (p = 0.01). Despite higher heparin requirements, group 1 patients had a lower APTT value than the other subjects (87 +/- 5 vs 101 +/- 6 seconds, p = 0.08). Group 1 patients required 5 +/- 0.3 days to reach anticoagulation with warfarin versus 4 +/- 0.2 days in groups 2 + 3 (p = 0.05). Comparison of groups 1 and 2 yielded similar, although smaller, differences. Patients treated with streptokinase for AMI seem to be partially resistant to anticoagulation, which may increase the risk of reocclusion.

Anticoagulants↗

Cerebrovascular accident and myocardial infarction associated with anticardiolipin antibodies in a young woman with systemic lupus erythematosus.

A 26 year old woman with systemic lupus erythematosus, including malar rash, photosensitivity, and arthritis, developed a cerebrovascular accident and acute myocardial infarction. High titres to antinuclear factor, anti-DNA antibodies, positive Venereal Disease Research Laboratory (VDRL) test, and anticardiolipin antibodies were found in her serum. A possible association between the presence of anticardiolipin antibodies and the two major thrombotic events is discussed.

Adult↗