Biomedical subjects
Publications and source records attributed to N Peterson.
Multiple cyst-like involvement of the kidney in a patient with lymphocytic lymphoma is presented. Both kidneys demonstrated the swiss-cheese appearance on nephrograms, simulating a typical adult type of polycystic disease. No tumor vessels or strains were noted.
All reported cases of massive postpartum right renal hemorrhage have involved healthy young primigravidas and blacks have predominated (4 of 7 women). Coagulopathies and underlying renal disease have been absent. Hematuria was painless in 5 of 8 cases. Hemorrhage began within 24 hours in 1 case, within 48 hours in 4 cases and 4 days post partum in 3 cases. Our first case is the only report in which hemorrhage has occurred in a primipara. Failure of closure or reopening of pyelovenous channels is suggested as the pathogenesis. The hemorrhage has been self-limiting, requiring no more than 1,500 cc whole blood replacement. Bleeding should stop spontaneously, and rapid renal pelvic clot lysis should follow with maintenance of adequate urine output and Foley catheter bladder decompression. To date surgical intervention has not been necessary.
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Changes in anteroposterior diameters of the rib cage and abdomen are sensed with magnetometers and summed to give outputs which are very nearly linearly related to changes in lung volume. The volume events of breathing can be measured without recourse to a mouthpiece or face mask, other than for calibration, and with minimal encumbrance to the subject.
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OBJECTIVE: To evaluate a multicomponent pain management intervention, including cognitive behavioral strategies, for children with human immunodeficiency virus (HIV) infection undergoing routine venipuncture. METHODS: Following a baseline venipuncture, children were exposed to an intervention including preparation, relaxation, distraction, reinforcement, parent involvement, and EMLA (eutectic mixture of local anesthetics) cream, and followed for three additional venipuncture procedures. After each procedure, child distress was rated on the Procedure Behavior Checklist (PBCL), child self-report of pain was obtained using the FACES scale, and parent anxiety was reported on the State Trait Anxiety Inventory-State Scale (STAI). RESULTS: Significant reductions in child distress and pain were found by the second postintervention procedure and maintained at the third. Parent anxiety was significantly reduced by the second postintervention procedure, but many parents chose not to participate in the third postintervention procedure. CONCLUSIONS: With repeated exposure, a multicomponent pain management intervention, including cognitive behavioral strategies and EMLA, appears effective at reducing pain, distress, and parent anxiety for children with HIV.