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Biomedical subjects

T E Wiswell

Publications and source records attributed to T E Wiswell.

84 records · Page 5Linked to original sources

Effect of furosemide on the clinical course of transient tachypnea of the newborn.

The effect of furosemide on the course of transient tachypnea of the newborn was evaluated in a controlled, prospective study. Fifty infants with transient tachypnea of the newborn were randomly assigned to control or treatment groups. Those in the treatment group were given furosemide, 2 mg/kg orally, at the time of diagnosis followed by 1 mg/kg 12 hours later if the symptoms persisted. Infants in the control group received a placebo. Compared with infants in the control group, the furosemide-treated group demonstrated no significant difference in the duration of tachypnea nor in the length of hospitalization. It is concluded that oral furosemide, at the doses used in this study, does not significantly affect the clinical course of transient tachypnea of the newborn.

Female↗

Estimated blood volumes in polycythemic neonates as a function of birth weight.

This prospective study was designed to test the correlation of blood volume per kilogram of body weight with birthweight in polycythemic neonates. One hundred and sixty-four neonates with venous hematocrits of 65% or greater were treated with partial exchange transfusion. Follow-up venous hematocrits were obtained, and BV/kg was estimated for each infant based on the exchange volume used and the observed change in hematocrit. Birth weight ranged from 1,210 to 5,080 gm. Individual blood volume estimates ranged from 44 to 176 ml/kg, with a mean of 88.4 +/- 23.5 ml/kg. There was a highly significant negative linear correlation of BV/kg with birth weight (P less than 0.001), the regression line intersecting 100 ml/kg at 2,000 gm and 70 ml/kg at 4,500 gm. This correlation has clinical application in the management of polycythemic neonates with partial exchange transfusion. A nomogram is provided for estimating BV/kg in polycythemic neonates based on birth weight.

Birth Weight↗

Circumcision--an update.

Circumcision will likely continue to be a frequently performed procedure during the neonatal period. Rather than allowing it to be an emotion-laden issue, clinicians should keep abreast of ongoing developments in the field and be able to present thorough, objective counseling. Informed parental refusal requires no less.

Anesthesia, Local↗

When combined, early bedside head ultrasound and electroencephalography predict abnormal computerized tomography or magnetic resonance brain images obtained after extracorporeal membrane oxygenation treatment.

Definitive neuroimaging of the brain using computerized tomography (CT) or magnetic resonance imaging (MRI) in extracorporeal membrane oxygenation (ECMO)-treated infants must be delayed until after this therapy is completed. Bedside head ultrasound (HUS) and electroencephalography (EEG) studies during ECMO, if highly correlated with later definitive neuroimaging, might be used to affect the acute clinical care and early parental counseling of infants with severe cardiorespiratory failure. One hundred and sixty ECMO-treated patients had both bedside EEG and HUS studies performed during ECMO, as well as a later CT or MRI study prior to hospital discharge. There was a significant difference in CT or MRI findings among patients having normal studies on both the HUS and EEG, compared to those having an abnormality on either the HUS or the EEG, and compared to those having abnormalities on both studies. In ECMO-treated infants, the combination of a normal bedside HUS and an EEG without marked abnormalities is highly predictive of normal post-ECMO CT and MRI neuroimaging studies.

Brain↗