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  • Blackwell Publishing Ltd  (6)
Document type
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    Normal range of fetal transcutaneous carbon dioxide tension during labour (1988)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 95 (1988), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Fetal transcutaneous carbon dioxide tension (tc-Pco), was monitored during 122 deliveries, using an electrode temperature of 44°C in 80 cases and of 41°C in 42 cases. Significant correlations between tc-Pco2 and umbilical artery blood Pco2 were found using both electrode temperatures, but the regression lines indicated a larger and more inconstant CO2-contribution from skin metabolism when the low electrode temperature was used. Normal range of tc-Pco2 was calculated at 41°C and 44°C electrode temperatures. Mean values of fetal tc-Pco2 were found to increase during normal labour, and especially in fetuses developing acidosis, but only four of six infants born with acidaemia had tc-Pco2 values exceeding the normal range.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1988.tb06866.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Continuous acid-base assessment of the human fetus during labour by tissue pH and transcutaneous carbon dioxide monitoring (1985)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 92 (1985), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Simultaneous monitoring of fetal tissue pH (t-pH) and transcutaneous carbon dioxide (Tc-Pco2) was performed in 30 labours. Both t-pH and Te-Pco-2 at delivery were positively correlated with pH (r= 0·69) and Pco2(r= 0·68) of the umbilical artery blood. A tissue/transcutaneous standard base excess (t-SBE) was derived from the t-pH and the Tc-Pco2 and calculated for 13 fetuses a t delivery; there was a correlation with standard base excess of umbilical artery blood. An analysis of t-pH and Tc-Pco2 changes during the last hour of labour revealed that only infants who were born with decreased pH of the umbilical artery blood had decreasing t-SBE, while all others had a constant t-SBE.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1985.tb01086.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Fetal transcutaneous carbon dioxide monitoring – the effect of different fixation methods (1986)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 93 (1986), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Fetal transcutaneous carbon dioxide tension (tc-Pco2) was monitored simultaneously by two electrodes fixed with glue or suction during 10 deliveries. There were no differences in success rate, tc-Pco2 readings or stabilization time between the two fixation methods, but the glue fixation method was more time consuming, caused more discomfort to the patient and generally did not permit reapplication of the electrode.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb07864.x
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  • 4
    Electronic Resource
    Electronic Resource
    Fetal transcutaneous carbon dioxide tension during the second stage of labour (1984)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 91 (1984), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. Fifteen women were studied during the second stage of labour by measuring simultaneously fetal transcutaneous carbon dioxide tension (Tc Pco2 and maternal end-expiratory Pco2. A linear increase of Tc Pco2 with time was observed, predominantly because of changing maternal respiration patterns. The degree of maternal hyperventilation had no adverse effect on the status of the newborn infant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1984.tb15084.x
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  • 5
    Electronic Resource
    Electronic Resource
    The effect of electrode compression during fetal transcutaneous carbon dioxide monitoring (1986)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 93 (1986), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. The influence of electrode compression by the cervix on transcutaneous CO2 measurements (tc-Pco2) was studied during 20 deliveries by simultaneous measurements with two electrodes, one positioned under the cervical edge and the other free of the cervix. At a cervical dilatation of 〈8 cm, significantly higher values were measured by the electrode exposed to cervical compression, and tc-Pco2 fluctuations with uterine contractions were observed. This study confirms that the tonsure effect usually does not interfere with tc-Pco2 monitoring.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb07865.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Randomised clinical trials of fish oil supplementation in high risk pregnancies (2000)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 107 (2000), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objective To test the postulated preventive effects of dietary n-3 fatty acids on pre-term delivery, intrauterine growth retardation, and pregnancy induced hypertension.Design In six multicentre trials, women with high risk pregnancies were randomly assigned to receive fish oil (Pikasol) or olive oil in identically-looking capsules from around 20 weeks (prophylactic trials) or 33 weeks (therapeutic trials) until delivery.Setting Nineteen hospitals in Europe.Samples Four prophylactic trials enrolled 232, 280, and 386 women who had experienced previous pre-term delivery, intrauterine growth retardation, or pregnancy induced hypertension respectively, and 579 with twin pregnancies. Two therapeutic trials enrolled 79 women with threatening pre-eclampsia and 63 with suspected intrauterine growth retardation.Interventions The fish oil provided 2.7 g and 6.1 g n-3 fatty acids/day in the prophylactic and therapeutic trials, respectively.Main outcome measures Preterm delivery, intrauterine growth retardation, pregnancy induced hypertension.Results Fish oil reduced recurrence risk of pre-term delivery from 33% to 21% (odds ratio 0.54 (95% CI 0.30 to 0.98)) but did not affect recurrence risks for the other outcomes (OR 1.26; 0.74 to 2.12 and 0.98; 0.63 to 1.53, respectively). In twin pregnancies, the risks for all three outcomes were similar in the two intervention arms (95% CI for the three odds ratios were 0.73 to 1.40, 0.90 to 1.52, and 0.83 to 2.32, respectively). The therapeutic trials detected no significant effects on pre-defined outcomes. In the combined trials, fish oil delayed spontaneous delivery (proportional hazards ratio 1.22; 1.07 to 1.39, P= 0.002).Conclusions Fish oil supplementation reduced the recurrence risk of pre-term delivery, but had no effect on pre-term delivery in twin pregnancies. Fish oil had no effect on intrauterine growth retardation and pregnancy induced hypertension, affecting neither recurrence risk nor risk in twin pregnancies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.2000.tb13235.x
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