Maternal cardiac arrest in the Netherlands: A nationwide surveillance study

Timme P. Schaap, Evelien Overtoom, Thomas van den Akker, Joost J. Zwart, Jos van Roosmalen, Kitty W. M. Bloemenkamp

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Background: Maternal cardiac arrest is a complex and demanding clinical situation requiring a well-attuned team effort of healthcare workers of multiple disciplines. A recent report on maternal cardiac arrest in the United Kingdom reported a rise in incidence over a span of 10 years, while maternal mortality increased in the United States between 2000 and 2014. However, reported causes of maternal cardiac arrest differed between both countries. Objective(s): To determine the incidence, causes and management of maternal cardiac arrest in the Netherlands and compare incidence with previous estimates in the Netherlands and the United Kingdom. Study design: Using the Netherlands Obstetric Surveillance System, all Dutch cases of maternal cardiac arrest during a three-year period (2013–2016) were prospectively collected. Complete casefile copies were obtained for analysis. Main outcome measures were incidence of maternal cardiac arrest and cardiac arrest in pregnancy, use of perimortem caesarean section if appropriate and maternal death. Results: The monthly card return rate was 97%; 18 women with cardiac arrest during pregnancy and 20 postpartum met the inclusion criteria. Incidence of maternal cardiac arrest was 7.6 per 100,000 pregnancies and 3.6 per 100,000 pregnancies excluding postpartum maternal cardiac arrest. Main causes were pulmonary embolism (n = 9), major obstetric hemorrhage (n = 7) and amniotic fluid embolism (n = 6). Aortocaval compression relief and perimortem caesarean section were performed in 9/14 (29%) and 11/14 (79%) respectively in pregnancies 20 weeks gestational age onwards. Twenty-two women died, representing a case fatality rate of 58% (95% CI 42–72%). Conclusion(s): There is a higher incidence of cardiac arrest in pregnancy compared to both previous estimates in the Netherlands and recently established figures in the United Kingdom. Main causes of maternal cardiac arrest are potentially preventable and/or treatable complications of pregnancy. Insufficient use of critical elements of obstetric resuscitation identifies the need for enhanced obstetric emergency training for obstetric and non-obstetric first responders.
Original languageEnglish
Pages (from-to)145-150
JournalEuropean Journal of Obstetrics and Gynecology and Reproductive Biology
Volume237
DOIs
Publication statusPublished - 2019

Cite this

Schaap, Timme P. ; Overtoom, Evelien ; van den Akker, Thomas ; Zwart, Joost J. ; van Roosmalen, Jos ; Bloemenkamp, Kitty W. M. / Maternal cardiac arrest in the Netherlands: A nationwide surveillance study. In: European Journal of Obstetrics and Gynecology and Reproductive Biology. 2019 ; Vol. 237. pp. 145-150.
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title = "Maternal cardiac arrest in the Netherlands: A nationwide surveillance study",
abstract = "Background: Maternal cardiac arrest is a complex and demanding clinical situation requiring a well-attuned team effort of healthcare workers of multiple disciplines. A recent report on maternal cardiac arrest in the United Kingdom reported a rise in incidence over a span of 10 years, while maternal mortality increased in the United States between 2000 and 2014. However, reported causes of maternal cardiac arrest differed between both countries. Objective(s): To determine the incidence, causes and management of maternal cardiac arrest in the Netherlands and compare incidence with previous estimates in the Netherlands and the United Kingdom. Study design: Using the Netherlands Obstetric Surveillance System, all Dutch cases of maternal cardiac arrest during a three-year period (2013–2016) were prospectively collected. Complete casefile copies were obtained for analysis. Main outcome measures were incidence of maternal cardiac arrest and cardiac arrest in pregnancy, use of perimortem caesarean section if appropriate and maternal death. Results: The monthly card return rate was 97{\%}; 18 women with cardiac arrest during pregnancy and 20 postpartum met the inclusion criteria. Incidence of maternal cardiac arrest was 7.6 per 100,000 pregnancies and 3.6 per 100,000 pregnancies excluding postpartum maternal cardiac arrest. Main causes were pulmonary embolism (n = 9), major obstetric hemorrhage (n = 7) and amniotic fluid embolism (n = 6). Aortocaval compression relief and perimortem caesarean section were performed in 9/14 (29{\%}) and 11/14 (79{\%}) respectively in pregnancies 20 weeks gestational age onwards. Twenty-two women died, representing a case fatality rate of 58{\%} (95{\%} CI 42–72{\%}). Conclusion(s): There is a higher incidence of cardiac arrest in pregnancy compared to both previous estimates in the Netherlands and recently established figures in the United Kingdom. Main causes of maternal cardiac arrest are potentially preventable and/or treatable complications of pregnancy. Insufficient use of critical elements of obstetric resuscitation identifies the need for enhanced obstetric emergency training for obstetric and non-obstetric first responders.",
author = "Schaap, {Timme P.} and Evelien Overtoom and {van den Akker}, Thomas and Zwart, {Joost J.} and {van Roosmalen}, Jos and Bloemenkamp, {Kitty W. M.}",
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Maternal cardiac arrest in the Netherlands: A nationwide surveillance study. / Schaap, Timme P.; Overtoom, Evelien; van den Akker, Thomas; Zwart, Joost J.; van Roosmalen, Jos; Bloemenkamp, Kitty W. M.

In: European Journal of Obstetrics and Gynecology and Reproductive Biology, Vol. 237, 2019, p. 145-150.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Maternal cardiac arrest in the Netherlands: A nationwide surveillance study

AU - Schaap, Timme P.

AU - Overtoom, Evelien

AU - van den Akker, Thomas

AU - Zwart, Joost J.

AU - van Roosmalen, Jos

AU - Bloemenkamp, Kitty W. M.

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N2 - Background: Maternal cardiac arrest is a complex and demanding clinical situation requiring a well-attuned team effort of healthcare workers of multiple disciplines. A recent report on maternal cardiac arrest in the United Kingdom reported a rise in incidence over a span of 10 years, while maternal mortality increased in the United States between 2000 and 2014. However, reported causes of maternal cardiac arrest differed between both countries. Objective(s): To determine the incidence, causes and management of maternal cardiac arrest in the Netherlands and compare incidence with previous estimates in the Netherlands and the United Kingdom. Study design: Using the Netherlands Obstetric Surveillance System, all Dutch cases of maternal cardiac arrest during a three-year period (2013–2016) were prospectively collected. Complete casefile copies were obtained for analysis. Main outcome measures were incidence of maternal cardiac arrest and cardiac arrest in pregnancy, use of perimortem caesarean section if appropriate and maternal death. Results: The monthly card return rate was 97%; 18 women with cardiac arrest during pregnancy and 20 postpartum met the inclusion criteria. Incidence of maternal cardiac arrest was 7.6 per 100,000 pregnancies and 3.6 per 100,000 pregnancies excluding postpartum maternal cardiac arrest. Main causes were pulmonary embolism (n = 9), major obstetric hemorrhage (n = 7) and amniotic fluid embolism (n = 6). Aortocaval compression relief and perimortem caesarean section were performed in 9/14 (29%) and 11/14 (79%) respectively in pregnancies 20 weeks gestational age onwards. Twenty-two women died, representing a case fatality rate of 58% (95% CI 42–72%). Conclusion(s): There is a higher incidence of cardiac arrest in pregnancy compared to both previous estimates in the Netherlands and recently established figures in the United Kingdom. Main causes of maternal cardiac arrest are potentially preventable and/or treatable complications of pregnancy. Insufficient use of critical elements of obstetric resuscitation identifies the need for enhanced obstetric emergency training for obstetric and non-obstetric first responders.

AB - Background: Maternal cardiac arrest is a complex and demanding clinical situation requiring a well-attuned team effort of healthcare workers of multiple disciplines. A recent report on maternal cardiac arrest in the United Kingdom reported a rise in incidence over a span of 10 years, while maternal mortality increased in the United States between 2000 and 2014. However, reported causes of maternal cardiac arrest differed between both countries. Objective(s): To determine the incidence, causes and management of maternal cardiac arrest in the Netherlands and compare incidence with previous estimates in the Netherlands and the United Kingdom. Study design: Using the Netherlands Obstetric Surveillance System, all Dutch cases of maternal cardiac arrest during a three-year period (2013–2016) were prospectively collected. Complete casefile copies were obtained for analysis. Main outcome measures were incidence of maternal cardiac arrest and cardiac arrest in pregnancy, use of perimortem caesarean section if appropriate and maternal death. Results: The monthly card return rate was 97%; 18 women with cardiac arrest during pregnancy and 20 postpartum met the inclusion criteria. Incidence of maternal cardiac arrest was 7.6 per 100,000 pregnancies and 3.6 per 100,000 pregnancies excluding postpartum maternal cardiac arrest. Main causes were pulmonary embolism (n = 9), major obstetric hemorrhage (n = 7) and amniotic fluid embolism (n = 6). Aortocaval compression relief and perimortem caesarean section were performed in 9/14 (29%) and 11/14 (79%) respectively in pregnancies 20 weeks gestational age onwards. Twenty-two women died, representing a case fatality rate of 58% (95% CI 42–72%). Conclusion(s): There is a higher incidence of cardiac arrest in pregnancy compared to both previous estimates in the Netherlands and recently established figures in the United Kingdom. Main causes of maternal cardiac arrest are potentially preventable and/or treatable complications of pregnancy. Insufficient use of critical elements of obstetric resuscitation identifies the need for enhanced obstetric emergency training for obstetric and non-obstetric first responders.

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