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October 1, 1997Anesthesia & Analgesia

Recovery of Heart Rate Variability Profile in Patients After Coronary Artery Surgery

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Why the study?

How does the heart rate variability profile recover over time in patients after coronary artery surgery?

Population

Patients after coronary artery surgery (CAS)

Comparison

Coronary artery surgery (CAS) vs Preoperative baseline

Design

Cohort

Follow-up

28 days

Authors

TKToru KomatsuTokyo University of ScienceTKTomomasa KimuraWestchester Medical CenterKNKimitoshi NishiwakiNagoya City University

Discussion

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Implication

HRV recovery remains incomplete at 28 days after coronary surgery; leaves open whether extended monitoring or interventions aid autonomic normalization.

Structured PICO

How does the heart rate variability profile recover over time in patients after coronary artery surgery?

P
Population
Patients after coronary artery surgery (CAS)
I
Intervention
Coronary artery surgery (CAS)
C
Comparator
Preoperative baseline
O
Outcome
Time course of heart rate variability (HRV) profile (LF, HF, fractal slope, sympathovagal slope) up to 28 days postoperativelysurrogate

Heart rate variability remains depressed for at least 28 days after coronary artery surgery, reflecting incomplete recovery of normal neural regulation of cardiac function.

Limitations

  • A specific correlation between depressed heart rate variability and outcomes was not performed.

Cite This Study

Komatsu et al. (1997) studied this question.

synapsesocial.com/papers/6a7ec0d0b06e944a4733969fhttps://doi.org/10.1097/00000539-199710000-00001
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Also Consider

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

  1. 1Alterations in Temporal Patterns of Heart Rate Variability after Coronary Artery Bypass Graft Surgery1994 · 85 citations
  2. 2Heart rate variability: An important new risk factor in patients following myocardial infarction1991 · 51 citations
  3. 3Coarse-graining spectral analysis: new method for studying heart rate variability1991 · 356 citations
  4. 4Cardiovascular autonomic response during preoperative stress and postoperative pain1984 · 40 citations
  5. 5Basis for Recurring Ventricular Fibrillation in the Absence of Coronary Heart Disease and Its Management1976 · 376 citations