The management of respiratory distress syndrome.
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Biomedical subjects
Publications and source records attributed to F Kleinberg.
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Three cases of neonatal pneumopericardium are presented. Detailed ventilatory measurements and chest roentgenographic changes are described for each of the three patients. The literature of neonatal pneumopericardium is reviewed, and based on that review and our own cases, we offer guidelines for managing these patients.
A 1,760-G MALE INFANT SURVIVED MASSIVE PUlmonary hemorrhage. The literature is reviewed and the pathophysiologic changes and pathologic findings of this usually lethal complication of prematurity are discussed. Aggressive pulmonary toilet and ventilation seems warranted for these infants.
The case described here represents the first laboratory-confirmed case of inclusion blennorrhea at the Mayo Clinic since laboratory isolation of Chlamydia trachomatis was instituted in 1974. Treatment with a sulfonamide preparation proved effective. Further aspects of the diagnosis and treatment of inclusion blennorrhea are discussed.
An instrument is described that measures limb blood flow in newborn infants by venous occlusion plethysmography. The plethysmograph is filled with air and a pneumotachygraph measures the volume displaced during venous occlusion. The response of the system is linear for flows over the range 1 to 100 ml/min and the frequency response to a square wave pressure change is 22 Hz with a 95% response time of 0.5 second. The average flow in the forearm of 10 normal newborn infants was 5.9 ml/min per 100 ml of tissue.
We have adapted and calibrated an accurate method for measuring residual placement blood volume (RPBV). We used this method in 33 normal vaginal deliveries and 18 cesarean section deliveries in which the umbilical cord was clamped from 5 to 118 seconds after delivery. Infants born vaginally received 10 to 20 ml. per kilogram of body weight of placental transfusion when umbilical cord was not clamped until 30 seconds or more after delivery. Equivalent delay of umbilical cord clamping in cesarean section infants produced no placental transfusion.
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