Is there a weekend effect in obstetrics?

Snowden, Jonathan M.; Caughey, Aaron B.

doi:10.1136/bmj.h6192

Cited by 8 publications

(4 citation statements)

References 22 publications

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“…Evidence has been found for [2][3][4][5][6][7][8][9][10] and against [2,11] disease-specific weekend effects, with conflicting results for stroke [12][13][14][15], acute myocardial infarction (AMI) [16][17][18][19], and hip fracture [20][21][22]. In previous studies, systematic reviews and meta-analyses, emergency patients admitted at the weekend suffered higher in-hospital mortality across both medical and surgical diagnoses [23][24][25][26][27], with a larger risk in major teaching hospitals [28,29], with varying specialty-specific [30][31][32][33][34][35][36] and disease-specific [26,[37][38][39][40] results. Emergency patients that were admitted at the weekend were found to have a 3-10 % higher risk than those admitted during the week [41,42], with those admitted at night on the weekend having a 14 % higher risk for in-hospital death [43].…”

Section: Introductionmentioning

confidence: 99%

Analysis of weekend effect on mortality by medical specialty in Helsinki University Hospital over a 14-year period

et al. 2020

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Background: The weekend effect, the phenomenon of patients admitted at the weekend having a higher mortality risk, has been widely investigated and documented in both elective and emergency patients. Research on the issue is scarce in Europe, with the exception of the United Kingdom. We examined the situation in Helsinki University Hospital over a 14-year period from a specialty-specific approach. Materials and methods: We collected the data for all patient visits for 2000-2013, selecting patients with in-hospital care in the university hospital and extracting patients that died during their hospital stay or within 30 days of discharge. These patients were categorized according to urgency of care and specialty. Results: A total of 1,542,230 in-patients (853,268 emergency patients) met the study criteria, with 47,122 deaths in-hospital or within 30 days of discharge. Of 12 specialties, we found a statistically significant weekend effect for in-hospital mortality in 7 specialties (emergency admissions) and 4 specialties (elective admissions); for 30-day post-discharge mortality in 1 specialty (emergency admissions) and 2 specialties (elective admissions). Surgery, internal medicine, neurology, and gynecology and obstetrics were most sensitive to the weekend effect. Conclusions: The study confirms a weekend effect for both elective and emergency admissions in most specialties. Reducing the number of weekend elective procedures may be necessary. More disease-specific research is needed to find the diagnoses most susceptible.

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Section: Introductionmentioning

confidence: 99%

Analysis of weekend effect on mortality by medical specialty in Helsinki University Hospital over a 14-year period

et al. 2020

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“…Higher morbidity in hospitals during off-hours such as holidays and nighttime has been reported in numerous medical specialties. Studies have suggested that the obstetrics often encounter severe adverse neonatal events at nighttime 10 and on weekends 11 . In this study, we examined the monthly IVF outcome for fresh embryo transfer cycles retrospectively and found that the lowest monthly live birth rate resulted from procedures performed in January and February, apparently the CNY holiday season.…”

Section: Discussionmentioning

confidence: 99%

Declined Live Birth Rate from In Vitro Fertilization Fresh Cycles Performed during Chinese New Year Holiday Season

Zhai

Zhang

He³

et al. 2023

Preprint

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Objective: To investigate whether there is an impact of the Chinese New Year (CNY) holiday season on the outcomes of In Vitro Fertilization (IVF) fresh embryo transfer cycles. Study Design: A retrospective study Subjects: 4,688 patients receiving their first IVF fresh cycle attempt between January 2017 and October 2021 were included in the study, of which 4,449 women underwent IVF during non-holiday seasons, while 239 women were treated during the CNY holiday season. Main Outcome Measure(s): The primary outcome was the live birth rate (LBR). Result(s): The liver birth rate (LBR) of IVF performed during the CNY holiday season was 32.22%, significantly lower than that of the non-holiday season (43.38%, p<0.001). Multivariate logistic regression demonstrated that the CNY holiday season (OR=0.62, 95%CI 0.47-0.82, p=0.001) was an independent factor associated with the live birth rate. Propensity score matching (PSM) data analysis showed the LBR in the CNY holiday season group is 31.78% versus 42.64% in the non-holiday season group (p=0.005). Inverse probability of treatment weighting (IPTW) data also indicated that the CNY holiday season had a lower LBR than the non-holiday season (OR=0.64, 95%CI 0.47-0.87, p=0.005). Conclusion: This research demonstrated for the first time the existence of a decline in the LBR of IVF performed during the CNY holiday season. IVF performed during the Chinese New Year holiday season results in a declined live birth rate. The abrupt lifestyle change, emotional stress, and traveling may have contributed to such an effect.

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“…Studies have indicated that obstetrics, in particular, are more likely to encounter severe adverse neonatal events during nighttime hours 10 and on weekends. 11 In this retrospective study, we investigated the monthly outcomes of fresh embryo transfer cycles in IVF and observed a decreased live birth rate during the CNY holiday season, particularly in the month of February. The reduction in live birth rate was significant, with a 15.1% lower rate in February compared to January.…”

Section: Discussionmentioning

confidence: 99%

Declined Live Birth Rate from in vitro Fertilization Fresh Cycles Performed During Chinese New Year Holiday Season

Zhai,

Zhang,

et al. 2023

RMHP

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Purpose This study aims to investigate the impact of the Chinese New Year (CNY) holiday season on the outcomes of In Vitro Fertilization (IVF) fresh embryo transfer cycles. Participants and Methods This retrospective study analyzed 4688 patients who received their first IVF fresh cycle attempt between January 2017 and October 2021. Of these, 4449 women underwent IVF during non-holiday seasons, while 239 women were treated during the CNY holiday season. The study included women who underwent IVF treatment during the specified time frame. The primary outcome was the live birth rate (LBR). Results The study found that the LBR of IVF performed during the CNY holiday season was 32.22%, which is significantly lower than that of the non-holiday season (43.38%, p<0.001). Multivariate logistic regression analysis showed that the CNY holiday season (OR=0.62, 95% CI 0.47–0.82, p=0.001) was an independent factor associated with the live birth rate. Propensity score matching (PSM) data analysis showed that the LBR in the CNY holiday season group was 31.78% compared to 42.64% in the non-holiday season group (p=0.005). Inverse probability of treatment weighting (IPTW) data also indicated that the CNY holiday season had a lower LBR than the non-holiday season (OR=0.64, 95% CI 0.47–0.87, p=0.005). Conclusion IVF performed during the CNY holiday season results in a lower live birth rate, potentially indicating that certain lifestyle adjustments during this period, such as unhealthy dietary, tobacco and alcohol usage, sleep disruption, and emotional stress experienced could have some influence on the outcomes.

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Is there a weekend effect in obstetrics?

Abstract: Accumulating evidence points to higher risks at the weekend for mothers and babies

Cited by 8 publications

References 22 publications

Analysis of weekend effect on mortality by medical specialty in Helsinki University Hospital over a 14-year period

Analysis of weekend effect on mortality by medical specialty in Helsinki University Hospital over a 14-year period

Declined Live Birth Rate from In Vitro Fertilization Fresh Cycles Performed during Chinese New Year Holiday Season

Declined Live Birth Rate from in vitro Fertilization Fresh Cycles Performed During Chinese New Year Holiday Season

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