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[Maternal Deaths Worldwide Falling - But Commonly Preventable].

Werner Rath1, Panagiotis Tsikouras2

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Maternal deaths remain a critical global health issue, with preventable deaths often linked to postpartum hemorrhage and hypertensive disorders. Improving care quality through expert review is vital for reducing mortality.

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Area of Science:

  • Obstetrics and Gynecology
  • Public Health
  • Maternal Health Surveillance

Background:

  • Despite a global 44% drop in maternal mortality ratio (MMR) between 1990-2015, over 300,000 maternal deaths occur annually, predominantly in developing nations.
  • Some developed countries have observed an increase in maternal deaths over the past two decades, highlighting persistent challenges.
  • Leading causes of direct maternal death include hemorrhage (especially postpartum), pulmonary embolism, and hypertensive disorders; cardiac disease is the primary indirect cause.

Purpose of the Study:

  • To emphasize the critical role of accurate maternal death evaluation by multidisciplinary expert committees.
  • To analyze the preventability of maternal deaths based on data from developed countries.
  • To underscore the importance of learning from failures to improve obstetric care and reduce maternal morbidity and mortality.

Main Methods:

  • Review of data from the World Health Organization (WHO) on global maternal mortality trends.
  • Analysis of 11 studies from developed countries examining the preventability of direct maternal deaths.
  • Reference to the UK Confidential Enquiries into Maternal Deaths and Morbidity as a benchmark for surveillance.

Main Results:

  • Approximately 50% of direct maternal deaths in developed countries are potentially preventable, with a range of 26-75% across studies.
  • Postpartum hemorrhage and hypertensive disorders of pregnancy were most frequently identified as potentially preventable causes of death.
  • Amniotic fluid embolism was identified as the least preventable cause among those studied.

Conclusions:

  • Accurate, multidisciplinary evaluation of maternal deaths is the most crucial step in prevention.
  • Learning from identified failures in care is essential for improving obstetric units and preventing severe maternal outcomes.
  • Systematic surveillance and quality improvement initiatives are necessary to further reduce maternal mortality and morbidity.