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October 20, 2017Industrial HealthOpen Access

Mean RR, RMSSD, and SDNN values were significantly lower and the LF/HF ratio was significantly higher on the first versus the fourth day of the work period, indicating higher cardiovascular stress on the first day.

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Why the study?

Does working four consecutive extended shifts increase cardiovascular stress as measured by HRV in health care workers?

Population

24 health care workers working in a nursing home on a shift scheme of four consecutive 14-hour day shifts.

Comparison

Four consecutive extended (14-hour) day shifts. vs Intra-individual comparison comparing the first…

Design

Cohort

Follow-up

4 consecutive workdays and subsequent days off

Authors

EGElisabeth GoffengKNKarl-Christian NordbyMTMika P. Tarvainen

Discussion

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Overview

HRV fluctuations during extended healthcare shifts may signal strain; leaves open whether monitoring should inform scheduling or interventions.

Structured PICO

Does working four consecutive extended shifts increase cardiovascular stress as measured by HRV in health care workers?

P
Population
24 health care workers (3 men, 21 women, mean age 41.9) working in a nursing home on a shift scheme of four consecutive 14-hour day shifts.
I
Intervention
Four consecutive extended (14-hour) day shifts.
C
Comparator
Intra-individual comparison (cross-shift/cross-week design) comparing the first workday to the fourth workday, and work periods to rest/sleep periods.
O
Outcome
Fluctuations in heart rate variability (HRV) parameters including time-domain (mean RR, SDNN, RMSSD) and frequency-domain (LF/HF ratio).surrogate

Health care workers experienced higher levels of cardiovascular stress on the first day of a four-day extended shift period compared to the fourth day, with satisfactory recovery during nighttime sleep.

Cite This Study

Goffeng et al. (2017) studied this question.

synapsesocial.com/papers/6a7632e6f1e99ff85ab24534https://doi.org/10.2486/indhealth.2017-0100
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Indexes of cardiac autonomic profile detected with short term Holter ECG in health care shift workers: a cross sectional study2019 · 13 citations
  2. 2Shift work disrupts heart rate variability in shift workers2026
  3. 3Shift Work and Heart Rate Variability Coherence: Pilot Study Among Nurses2018 · 37 citations
  4. 4Factors influencing heart rate variability in nurses following night shifts: a prospective observational clinical study2025 · 2 citations
  5. 5Autonomic nervous system activity under rotational shift programs: effects of shift period and gender2021 · 4 citations