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  • 1975-1979  (2)
  • Apgar score  (1)
  • Hematocrit  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Association of neonatal respiratory distress with birth asphyxia and deficiency of red cell mass in premature infants (1978)
    Springer
    European journal of pediatrics 129 (1978), S. 167-173 
    Details
    ISSN: 1432-1076
    Keywords: Premature infants ; Respiratory distress ; Apgar score ; Asphyxia ; Red cell mass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Red cell mass (RCM) was estimated using 125I-labelled human serum albumin in 128 premature infants born after 26 to 36 weeks gestation. Infants of three different gestational periods (26–29, 30–32, and 33–36 weeks) with respiratory distress (RD) averaged lower one-minute Apgar scores and lower RCM than infants without RD (P〈0.05). The incidence of RD was significantly (P〈0.05) higher in infants with Apgar scores below 6 and in infants with RCM of less than 35 ml/kg than in the infants with greater values. The highest incidence of RD and the highest mortality rate were found in the infants with low Apgar scores and low RCM values. Prematures with similar Apgar scores showed a higher incidence of RD when RCM was low, and infants with similar RCM showed a higher incidence of RD when Apgar scores were low. Our results suggest that both birth asphyxia and deficiency of red cell mass interfere with postnatal cardio-respiratory adaptation. In high-risk premature infants, erythrocytes should be transfused when the venous haematocrit is below 0.45.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00442160
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Capillary-venous hematocrit differences in newborn infants (1977)
    Springer
    European journal of pediatrics 127 (1977), S. 9-14 
    Details
    ISSN: 1432-1076
    Keywords: Newborn infants ; Blood pressure ; Hematocrit ; Blood volume ; Acid-base status ; Red cell mass ; Peripheral blood flow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Venous and capillary hematocrit, acid base values, and circulatory parameters were measured simultaneously in 92 newborn infants within six hours of birth. Gestational age ranged from 26 to 41 weeks. The capillary/ venous hematocrit ratio (Hctc/Hctv) was greater than 1.00 in 89 infants. We found significant inverse correlations between Hctc/Hctv and several parameters, such as pH (r=-0.82), standard bicarbonate (r=-0.73), systolic blood pressure (r=-0.51), and peripheral blood flow (r=-0.70). Most of the infants with a Hctc/Hctv of 1.20 and above had red cell mass values of less than 35 ml/kg. However, blood volume apparently did not influence the Hctc/Hctv. Gestational age appeared to affect Hctc/Hctv only before 30 weeks, when compared with the Hctc/Hctv of term infants. Our results indicate that disturbed circulation, and in particular, disturbed microcirculation, is involved in the development of high Hctc/Hctv ratios. We strongly advise that hematocrits obtained by skin prick from a sick newborn infant should not be relied on as they may give misleading information on oxygen carrying capacity to vital organs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00465560
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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