Perinatal death associated with planned home birth in Australia: population based study

Bastian, Hilda; Keirse, Marc J. N. C.; Lancaster, Paul

doi:10.1136/bmj.317.7155.384

Cited by 91 publications

(80 citation statements)

References 6 publications

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“…The use of planned rather than actual place of delivery is justified by the assumption that there is less endogeneity in planned than in actual birth place, since the actual birth place may deviate from the planned one due to changes in individual health and risk factors. The results, interpreted as an intention-to-treat effect, are mixed, with some studies showing higher perinatal mortality risk among home births (e.g., Bastian, Keirse, and Lancaster 1998;Pang et al 2002;Kennare et al 2010;Malloy 2010;Birthplace in England Collaborative Group 2011;Grünebaum et al 2013) and others finding no significant differences (e.g., Ackermann-Liebrich et al 1996;Murphy and Fullerton 1998;Janssen et al 2002;Lindgren et al 2008;de Jonge et al 2009;van der Kooy et al 2011). 7 However, as the medical literature acknowledges, planned birth place may be endogenous (Wiegers et al 1998;Gyte et al 2009). In addition, the small sample sizes in several of these studies pose statistical power problems.…”

Section: B Previous Literaturementioning

confidence: 98%

Saving Lives at Birth: The Impact of Home Births on Infant Outcomes

Daysal

Trandafir

Ewijk

2015

American Economic Journal: Applied Economics

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Many developed countries have recently experienced sharp increases in home birth rates. This paper investigates the impact of home births on the health of low-risk newborns using data from the Netherlands, the only developed country where home births are widespread. To account for endogeneity in location of birth, we exploit the exogenous variation in distance from a mother's residence to the closest hospital. We find that giving birth in a hospital leads to substantial reductions in newborn mortality. We provide suggestive evidence that proximity to medical technologies may be an important channel contributing to these health gains. (JEL I11, I12, J13, J16)

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Section: B Previous Literaturementioning

confidence: 98%

Saving Lives at Birth: The Impact of Home Births on Infant Outcomes

Daysal

Trandafir

Ewijk

2015

American Economic Journal: Applied Economics

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“…The use of planned rather than actual place of delivery is justified by the assumption that there is less endogeneity in planned than in actual birth place, since the actual birth place may deviate from the planned one due to changes in individual health and risk factors. The results, interpreted as an intention-totreat effect, are mixed, with some studies showing higher perinatal mortality risk among home births (e.g., Bastian et al, 1998;Pang et al, 2002;Kennare et al, 2010;Malloy, 2010;Birthplace in England Collaborative Group, 2011) and others finding no significant differences (e.g., Ackermann-Liebrich et al, 1996;Murphy and Fullerton, 1998;Janssen et al, 2002;Lindgren et al, 2008;de Jonge et al, 2009;van der Kooy et al, 2011).…”

Section: Previous Literaturementioning

confidence: 99%

Saving Lives at Birth: The Impact of Home Births on Infant Outcomes

2012

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“…Over the last 5 years, several immunoassay methods for the measurement of BNP, which share some analytical characteristics, such as full automation, turnaround time Ͻ60 min, lower imprecision, and/or better analytical and functional sensitivity, have become commercially available (1,4 ). The analytical performance and diagnostic accuracy of immunoassays for BNP were compared recently (5,6 ). In the present study, we evaluated the analytical performance and diagnostic accuracy of an automated immunochemiluminescent assay for BNP (ACCESS System; Beckman Coulter).…”

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confidence: 99%

“…When a fetus is subjected to a massive perinatal hypoxicischemic insult, it may suffer sufficient damage to cause intrauterine death and stillbirth (1)(2)(3)(4)(5). In less severe, Clinical Chemistry 51, No.…”

mentioning

confidence: 99%

“…In contrast to previous reports, the proposed method allows, for the first time, spectrometric instead of chromatographic separation of these methylated arginines (see the Data Supplement that accompanies the online version of this Technical Brief at http://www.clinchem.org/content/ vol51/issue7/). When a fetus is subjected to a massive perinatal hypoxicischemic insult, it may suffer sufficient damage to cause intrauterine death and stillbirth (1)(2)(3)(4)(5). In less severe,…”

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confidence: 99%

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Relationship between Isoprostane Concentrations, Metabolic Acidosis, and Morbid Neonatal Outcome

Rogers¹,

Wang²,

Lau³

et al. 2005

Clinical Chemistry

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arginine and ADMA and SDMA, respectively. The addition of l-arginine, ADMA, or SDMA did not influence the measurement of the other analytes. We also determined within-and between-run imprecision (CVs; n ϭ 10). The within-run CVs were 3.3% for l-arginine, 2.6% for ADMA, and 2.5% for SDMA. Between-run CVs were 4.7% for l-arginine, 4.1% for ADMA, and 3.9% for SDMA We also measured ADMA in plasma samples from healthy human volunteers (n ϭ 22) by this LC-MS/MS method. Shown in Fig. 1 is a typical chromatogram of a human plasma sample. Samples were aliquoted (50 L) and frozen at Ϫ20°C before analysis. The mean (SD) concentrations of l-arginine, ADMA, and SDMA were 65.6 (23.4), 0.55 (0.14), and 0.69 (0.23) mol/L, respectively. The mean (SD) molar ratio of l-arginine to ADMA was 132 (55).Our LC-MS/MS-based method allows for the simultaneous determination of ADMA, SDMA, and l-arginine and has been validated for the measurement of these 3 analytes in human plasma. Values obtained for l-arginine, ADMA, and SDMA in human plasma are within previously reported ranges (11)(12)(13)16 ). Major advantages over previous reported methods for the measurement of ADMA include a minimized sample volume and reduction in laboratory work. In particular, in comparison with other LC-MS-based methods (13,14,16,17 ), sample run time has been reduced to 4 min including reequilibration. Chromatographic separation required only slightly more than 2 min. This considerable reduction in analysis time was achieved by use of the specific fragmentation patterns of the ester derivatives of ADMA and SDMA. Identical MS spectra were obtained from the ester derivatives of ADMA and SDMA, but the major fragments in the daughter ion spectra for ADMA and SDMA were at m/z 214 and m/z 228, respectively. These ions were specific for ADMA and SDMA: they were absent in the corresponding spectra of SDMA and ADMA, respectively. In contrast to previous reports, the proposed method allows, for the first time, spectrometric instead of chromatographic separation of these methylated arginines (see the Data Supplement that accompanies the online version of this Technical Brief at http://www.clinchem.org/content/ vol51/issue7/). When a fetus is subjected to a massive perinatal hypoxicischemic insult, it may suffer sufficient damage to cause intrauterine death and stillbirth (1)(2)(3)(4)(5). In less severe,

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Perinatal death associated with planned home birth in Australia: population based study

Cited by 91 publications

References 6 publications

Saving Lives at Birth: The Impact of Home Births on Infant Outcomes

Saving Lives at Birth: The Impact of Home Births on Infant Outcomes

Saving Lives at Birth: The Impact of Home Births on Infant Outcomes

Relationship between Isoprostane Concentrations, Metabolic Acidosis, and Morbid Neonatal Outcome

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