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  • 1
    Electronic Resource
    Electronic Resource
    The relation between plasma urate and placental bed vascular adaptation to pregnancy (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. Placental bed biopsies were obtained at caesarean section from 34 women. Their plasma urate was directly related to maximum mean arterial pressure and inversely to adjusted birthweight; but it was related most closely to the histological appearances of the spiral arteries in the placental bed. Nine women had physiological changes in the spiral arteries: their mean urate (233, SD 28·9 μmol/l) was significantly (P 〈0·00l) lower than the mean urate in those who did not have adequate physiological changes (339, SD 90·3 μmo1/l) or that in the nine women who had atherosis (397, SD 153·2 μmol/l). Raised plasma urate appears to be better related to maternal vascular pathology than to the clinical condition or infant birthweight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb08658.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The relation between plasma urate and placental bed vascular adaptation to pregnancy (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. Placental bed biopsies were obtained at caesarean section from 34 women. Their plasma urate was directly related to maximum mean arterial pressure and inversely to adjusted birthweight; but it was related most closely to the histological appearances of the spiral arteries in the placental bed. Nine women had physiological changes in the spiral arteries: their mean urate (233, SD 28·9 μmol/l) was significantly (P 〈0·00l) lower than the mean urate in those who did not have adequate physiological changes (339, SD 90·3 μmo1/l) or that in the nine women who had atherosis (397, SD 153·2 μmol/l). Raised plasma urate appears to be better related to maternal vascular pathology than to the clinical condition or infant birthweight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb07934.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    The relation of birthweight to histological appearances in vessels of the placental bed (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. Biopsy of the placental bed was attempted at caesarean section in 109 patients: 77 consecutive and 32 selected because of the maternal or fetal condition. Forty-seven (44%) of these biopsies were from the placental bed and contained spiral arteries suitable for comment. Histological examination separated the patients into four groups: comprising 11 whose vessels showed normal physiological changes, 20 who showed inadequate physiological change, 12 with acute atherosis, and four with a mixed pattern. There was no relation between these changes and maternal age, parity, race or smoking habit, but no physiological change and atherosis were more common in association with maternal hypertension. Mean adjusted birthweight was greatest in those with physiological changes, less in those without physiological changes or the mixed pattern, and least in those with atherosis. The four patients in the mixed group did not have any unifying clinical characteristics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb07933.x
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    In-vivo accuracy of ultrasound measurements of intrauterine ume in pregnancy (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. The accuracy of ultrasonic measurements of intra-amniotic ume using a parallel planimetric area method was assessed in 18 women by comparison against different measures of the same ume space. In nine patients undergoing second-trimester termination of pregnancy amniotic fluid ume was measured using a dye dilution method and fetal ume was measured by either water displacement or calculated from fetal weight. The estimated intra-amniotic ume by this method was not significantly different from the ultrasonic measurement. In one patient who had a hysterotomy, fetal and amniotic fluid umes showed a difference of 1.01% between ultrasonically-measured and actual intra-amniotic ume. In eight patients studied in the third trimester the mean difference between ultrasonic and estimated intra-amniotic ume at delivery was 6.2%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1984.tb05276.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Sinusoidal Fetal Heart Rate Pattern with Severe Fetal Anaemia—Case Report (1981)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 88 (1981), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1981.tb02239.x
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    The relation of birthweight to histological appearances in vessels of the placental bed (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. Biopsy of the placental bed was attempted at caesarean section in 109 patients: 77 consecutive and 32 selected because of the maternal or fetal condition. Forty-seven (44%) of these biopsies were from the placental bed and contained spiral arteries suitable for comment. Histological examination separated the patients into four groups: comprising 11 whose vessels showed normal physiological changes, 20 who showed inadequate physiological change, 12 with acute atherosis, and four with a mixed pattern. There was no relation between these changes and maternal age, parity, race or smoking habit, but no physiological change and atherosis were more common in association with maternal hypertension. Mean adjusted birthweight was greatest in those with physiological changes, less in those without physiological changes or the mixed pattern, and least in those with atherosis. The four patients in the mixed group did not have any unifying clinical characteristics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1986.tb08657.x
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    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Growth of total intrauterine, intra-amniotic and placental volume in normal singleton pregnancy measured by ultrasound (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. The growth of total intrauterine, intra-amniotic and placental volume during the latter half of pregnancy was studied longitudinally with ultrasound in 115 healthy women with normal singleton pregnancies. A parallel planimetric area method was used. The range and distribution of normal values between 20 and 40 weeks was determined for a main study group of 103 primiparous women with which values from 12 parous women were compared. Total intrauterine volume increased from a median of 1006 ml to 4420 ml, intra-amniotic volume from 716 ml to 3406 ml and placental volume, calculated as the difference between total intrauterine and intra-amniotic volume, increased from 259 ml to 801 ml. Variation between individuals was wide at all stages of pregnancy. No significant difference was found between primiparous and parous women. Between successive 5-week periods from 20 to 40 weeks there was evidence that women tended to maintain their initial volume ranking. During the 30–35 week period, rate of growth of total intrauterine and intra-amniotic volume was somewhat faster than the near constant mean rate at other times, while the rate of growth of placental volume decreased after 30 weeks towards term.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1985.tb01047.x
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Changed prognosis of breech-presenting low birthweight infants (1983)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 90 (1983), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1983.tb08976.x
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Certain dates may not provide a reliable estimate of gestational age (1991)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 98 (1991), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1991.tb10323.x
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Efficacy of intrauterine volume, fetal abdominal area and biparietal diameter measurements with ultrasound in screening for small-for-dates babies (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. The efficacy of total intrauterine, intra-amniotic and placental volume measurements with ultrasound in screening for low birthweight (〈inlineGraphic alt="leqslant R: less-than-or-eq, slant" extraInfo="nonStandardEntity" href="urn:x-wiley:14700328:BJO929:les" location="les.gif"/〉10th and 〈inlineGraphic alt="leqslant R: less-than-or-eq, slant" extraInfo="nonStandardEntity" href="urn:x-wiley:14700328:BJO929:les" location="les.gif"/〉3rd centile) was compared prospectively with fetal biparietal diameter and abdominal area measurements at 32 and 36 weeks gestation in an unselected population of 362 women. In all of them the gestation was dated by ultrasound in the first half of pregnancy. Reference values were from a separate normal population studied previously. Total intrauterine volume showed the highest sensitivity in predicting babies weighing 〈inlineGraphic alt="leqslant R: less-than-or-eq, slant" extraInfo="nonStandardEntity" href="urn:x-wiley:14700328:BJO929:les" location="les.gif"/〉10th centile (58% at 32 weeks and 62% at 36 weeks) and those weighing 〈inlineGraphic alt="leqslant R: less-than-or-eq, slant" extraInfo="nonStandardEntity" href="urn:x-wiley:14700328:BJO929:les" location="les.gif"/〉3rd centile (78% at 32 weeks and 83% at 36 weeks). A higher number of false-positive tests resulted in a lower predictive value of a positive test (mean 34% for babies weighing 〈inlineGraphic alt="leqslant R: less-than-or-eq, slant" extraInfo="nonStandardEntity" href="urn:x-wiley:14700328:BJO929:les" location="les.gif"/〉10th centile) than that found for abdominal area (mean 54%). Abdominal measurements selected a smaller‘at risk’group. Biparietal diameter, intra-amniotic and placental volume measurements had inferior predictive capability than total intrauterine volume and abdominal area. For screening purposes abdominal area measurements are presently more suitable than intrauterine volume. The higher sensitivity of intrauterine volume, particularly in early third trimester, is an advantage that requires further investigation with reference to intrauterine growth retardation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1985.tb03072.x
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