B cell dysfunction is a well-studied complication of HIV infection in adults. Data on B cell differentiation in normal and HIV-infected children are lacking. We show the distribution of B cell subsets and immunoglobulin levels in HIV-infected children compared with controls.
View Article and Find Full Text PDFTo understand how corticosteroids act; a characterization of their effects on lymphocytes is necessary. The effect of in vivo corticosteroids on lymphocyte subpopulations, their surface molecules and externalization of phosphatidylserine (apoptosis) is examined. In a crossover study, a single, intravenous dose of 2 mg/kg prednisolone or saline was given to six male adult human volunteers.
View Article and Find Full Text PDFThe inhibiting effect of opioids on intestinal motility is a cause of particular concern in extremely low birth weight (ELBW; birth weight <1000 g) infants with decreased peristalsis. An ELBW infant (birth weight 740 g) born after 26 + 1 week of gestation had an uneventful clinical course during the first few days of life. Sudden deterioration occurred on day 8 with metabolic acidosis, hyperglycemia and frequent apnea with secondary bradycardia.
View Article and Find Full Text PDFBackground And Objectives: The relatively stable hemodynamics during spinal anesthesia in infants have been attributed to a less active sympathetic nervous system in comparison with adults. Thus, the authors evaluated sympathetic block primarily by measurement of skin temperature and secondarily by determination of noninvasive blood pressure as an indirect sign of sympatholysis.
Methods: In 15 infants (postconceptual age: 45.
We report a case of a 75-yr-old female patient in whom motor deficits and paresthesias occurred after lumbar epidural analgesia. These symptoms were eventually found to be due to a tethered cord syndrome. An epidural catheter was inserted for analgesia after colon surgery.
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