Jacquelyn K Lewin

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Appendiceal abscess occurring in 193 patients during a 14-year period is reviewed. Treatment was nonsurgical in 98 patients, with a complication rate of 3%. In the 95 surgically treated patients the complication rate was 32%. One patient died. 'Interval' elective appendectomy was performed in 80 cases and the complication rate was 23%. Among the 32 patients(More)
Contact between blood and foreign surfaces, e.g. vascular grafts, causes activation and release of platelets. One consequence of platelet activation is production of thromboxane A2 (TxA2). The physiological effects of TxA2, i.e. platelet aggregation and vaso-constriction are counteracted by another prostanoid, prostacyclin (PGI2). Acetylsalicylic acid (ASA)(More)
Phosphorylcholine (PC)-containing antigens were sought in 269 bacterial isolates from the mouth and respiratory tract by an enzyme immunoassay method. Only 41 (15%) isolates were PC-positive and of these 29 (70%) were strains of Haemophilus influenzae. Other species that produced positive results included two of five isolates of Gemella haemolysans, two of(More)
To evaluate the in vivo production of thromboxane A2 and prostacyclin their major urinary metabolites were measured in patients following graft replacement of the abdominal aorta. Specific methods based on gas chromatography-mass spectrometry were used to measure the urinary excretion of 2,3-dinor-TxB2 and 2,3-dinor-6-keto-PGF1 alpha. The excretion of these(More)
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