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How often is a low Apgar score the result of substandard care during labour?
OBJECTIVE: To increase our knowledge of the occurrence of substandard care during labour. DESIGN: A population-based case–control study. SETTING: Stockholm County. POPULATION: Infants born in the period 2004–2006 in Stockholm County. METHODS: Cases and controls were identified from the Swedish Medic...
Autores principales: | , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Blackwell Publishing Ltd
2010
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2901517/ https://www.ncbi.nlm.nih.gov/pubmed/20545673 http://dx.doi.org/10.1111/j.1471-0528.2010.02565.x |
Sumario: | OBJECTIVE: To increase our knowledge of the occurrence of substandard care during labour. DESIGN: A population-based case–control study. SETTING: Stockholm County. POPULATION: Infants born in the period 2004–2006 in Stockholm County. METHODS: Cases and controls were identified from the Swedish Medical Birth Register, had a gestational age of ≥33 complete weeks, had planned for a vaginal delivery, and had a normal cardiotocographic (CTG) recording on admission. We compared 313 infants with an Apgar score of <7 at 5 minutes of age with 313 randomly selected controls with a full Apgar score, matched for year of birth. MAIN OUTCOME MEASURE: Substandard care during labour. RESULTS: We found that 62% of cases and 36% of controls were subject to some form of substandard care during labour. In half of the cases and in 12% of the controls, CTG was abnormal for ≥45 minutes before birth. Fetal blood sampling was not performed in 79% of both cases and controls, when indicated. Oxytocin was provided without signs of uterine inertia in 20% of both cases and controls. Uterine contractions were hyperstimulated by oxytocin in 29% of cases and in 9% of controls, and the dose of oxytocin was increased despite abnormal CTG in 19% and 6% of cases and controls, respectively. Assuming that substandard care is a risk factor for low Apgar score, we estimate that up to 42% of the cases could be prevented by avoiding substandard care. CONCLUSIONS: There was substandard care during labour of two-thirds of infants with a low Apgar score. The main reasons for substandard care were related to misinterpretation of CTG, not acting on an abnormal CTG in a timely fashion and incautious use of oxytocin. |
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