Sodium transport in airway epithelium correlates with lung compliance in healthy newborn infants

SummaryThe authors compared the oxygen consumption in platelets from the umbilical cord blood of 36 healthy newborn infants with that of 27 adult subjects, before and after thrombin addition (1.67 U/ml). Oxygen consumption at rest was 6 mμmol/109/min in adult control platelets and 5.26 in newborn infants. The burst in oxygen consumption after thrombin addition was 26.30 mμmol/109/min in adults and 24.90 in infants. Dinitrophenol did not inhibit the burst of O2 consumption in platelets in 8 out of 10 newborn infants, while the same concentration caused a decrease in 9 out of 10 adult subjects. Deoxyglucose inhibited the burst in O2 consumption in newborn infant and adult platelets by about 50%. KCN at the concentration of 10−4 M completely inhibited basal oxygen consumption but did not completely inhibit the burst after thrombin. At the concentration of 10−3 M, it inhibited both basal O2 consumption and the burst in infants and adult subjects.

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Respiratory Instability of Term and Near-Term Healthy Newborn Infants in Car Safety Seats

PEDIATRICS ◽

10.1542/peds.109.4.713a ◽

2002 ◽

Vol 109 (4) ◽

pp. 713-713

Author(s):

Harry A. Ackley

Keyword(s):

Newborn Infants ◽

Healthy Newborn ◽

Car Safety ◽

Near Term ◽

Respiratory Instability

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Prone and supine positioning effects on dry heat loss of healthy newborn Infants

Pediatric Research ◽

10.1203/00006450-198911000-00143 ◽

1989 ◽

Vol 26 (5) ◽

pp. 523-523

Author(s):

M A Giatzi-Hawlik ◽

G Simbruner

Keyword(s):

Heat Loss ◽

Newborn Infants ◽

Dry Heat ◽

Healthy Newborn

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Measurement and correlates of ano-genital distance in healthy, newborn infants

International Journal of Andrology ◽

10.1111/j.1365-2605.2009.01044.x ◽

2010 ◽

Vol 33 (2) ◽

pp. 317-323 ◽

Cited By ~ 66

Author(s):

S. Sathyanarayana ◽

L. Beard ◽

C. Zhou ◽

R. Grady

Keyword(s):

Newborn Infants ◽

Healthy Newborn

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Study of cardiac rhythm in healthy newborn infants.

Heart ◽

10.1136/hrt.43.1.14 ◽

1980 ◽

Vol 43 (1) ◽

pp. 14-20 ◽

Cited By ~ 84

Author(s):

D P Southall ◽

J Richards ◽

P Mitchell ◽

D J Brown ◽

P G Johnston ◽

...

Keyword(s):

Cardiac Rhythm ◽

Newborn Infants ◽

Healthy Newborn

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Letter To The Editor

PEDIATRICS ◽

10.1542/peds.45.1.155 ◽

1970 ◽

Vol 45 (1) ◽

pp. 155-155

Author(s):

Judith M. Chessells ◽

W. R. Pitney

Keyword(s):

Cord Blood ◽

Hemagglutination Inhibition ◽

Sodium Citrate ◽

Newborn Infants ◽

Caproic Acid ◽

Healthy Newborn ◽

Letter To The Editor ◽

High Incidence ◽

Inhibition Technique

Drs. Stiehm and Clatanoff (Pediatrics, 43: 770, 1969) report a high incidence of split products of fibrin (SPF) in the cord blood of healthy newborn infants. This is contrary to our own experience which had indicated the presence of SPF in only 5% of healthy newborns. We use a hemagglutination inhibition technique which is at least as sensitive as the tube precipitin assay employed by Drs. Stiehm and Clatanoff. The two methods differ in one important aspect, however; we have tested cord blood drawn into a mixture of sodium citrate and epsilon amino-caproic acid to inhibit in vitro fibrinolysis.

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