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AIMS: Postpartum length of stay (LOS) in Australian hospitals has reduced over the past three decades. Although a reduction in LOS likely reduces hospital costs in the immediate postpartum period, there is concern that this is increasing the burden on emergency services, domiciliary staff and primary care providers. The aims were to determine whether the recent reduction in LOS at an Australian tertiary obstetric hospital resulted in a change in emergency department (ED) presentations by women in the first six weeks postpartum, and newborns within the first 28 days of life. METHODS: We conducted a cross-sectional cohort study of all newborns ≤28 days of age and women ≤6 weeks postpartum who presented to the ED during four comparable time periods (2019-2022) at an Australian tertiary obstetric hospital. Logistic regression was used to determine the relationship between neonatal and maternal postpartum ED presentations and year of birth. RESULTS: Reduced postpartum LOS was associated with a significant increase in maternal and neonatal presentations to the ED (odds ratio (OR): 1.15 (95% confidence interval (CI): 1.08-1.23), and OR: 1.11 (95% CI: 1.03-1.19), respectively). For every 100 births, an extra six women and three neonates presented to the ED for postpartum care in 2022 compared with 2019. There was no difference in maternal or neonatal admissions throughout the study periods. CONCLUSION: The increase in maternal and neonatal ED presentations associated with reduced LOS should prompt reassessment of postnatal practice and encourage further research into allocation of in-hospital resources and postpartum education.
RESUMO
Background: The Six Minute Walk Test (6MWT) is a simple, non-invasive, well-validated test that assesses cardiorespiratory fitness however is rarely used in pregnant people. It may have clinical utilization to assess fitness, breathing and exertion in pregnancy however no reference intervals exist for people 14+0 to 35+6 weeks gestation. We determined the reference intervals for distance walked for the 6MWT, including exertional and breathlessness ratings for this group. Method: We conducted a prospective observational cohort study of 196 healthy nulliparous pregnant people in earlier pregnancy (EP) 14+0 to 23+6 weeks, and middle pregnancy (MP) 24+0 to 35+6 gestation, who performed a standardized 6MWT protocol including rating exertion and breathlessness (Rating Perceived Exertion (RPE) scale (1 none -15 maximal) and Modified Borg Dyspnea (MBD) scale (0 none - 10 maximal)). Results: The mean ± SD distance walked was 548 ± 80.9 (EP) versus 547 ± 87.3 (MP) meters (m) P = 0.928. 6MWT reference intervals for the distance walked for the 6MWT were 392-704 m (EP) and 376-718 m (MP). Median (IQR) exertion and breathlessness ratings with exercise for the EP and MP group were 6 (4,7) and 0.5 (0,1) and 6 (4,8) and 0.5 (0,1) respectively. There were no adverse events. Conclusion: The 6MWT is safe, feasible and acceptable in pregnant people. The reference intervals for the 6MWT are 392-704 m in people 14+0 to 23+6 weeks gestation and 376-718 m for people 24+0 to 35+6 weeks gestation. Exertion was light and breathlessness was just noticeable with the 6MWT.