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August 1, 1991Clinical Cardiology

Heart rate variability: An important new risk factor in patients following myocardial infarction

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Key result

Low heart rate variability after myocardial infarction is associated with considerably reduced long-term survival, independent of other known risk factors.

Why the study?

Is low heart rate variability associated with reduced long-term survival in patients following myocardial infarction?

Population

Patients following acute myocardial infarction

Design

Review

Authors

ACA. John CammSt George's, University of LondonDED J EwingElectrophysiology

Discussion

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Implication

Supports post-MI risk stratification; leaves open whether modifying heart rate variability improves outcomes.

Key Points

  • To investigate the role of heart rate variability as a risk factor for long-term survival following myocardial infarction.
  • Assessed heart rate variability through various measurable indices in post-myocardial infarction patients.
  • Evaluated the relationship between low heart rate variability and mortality independent of other risk factors.
  • Low heart rate variability significantly correlates with reduced long-term survival after myocardial infarction.
  • Prophylactic drug therapy may decrease mortality in patients with low heart rate variability.

Structured PICO

Is low heart rate variability associated with reduced long-term survival in patients following myocardial infarction?

P
Population
Patients following acute myocardial infarction
E
Exposure
Assessment of heart rate variability
O
Outcome
Long-term survivalhard clinical

Low heart rate variability is an important independent risk factor for reduced long-term survival and potentially fatal arrhythmias following myocardial infarction.

Cite This Study

Camm et al. (1991) conducted a review in Myocardial infarction. Low heart rate variability was evaluated on Long-term survival. Low heart rate variability after myocardial infarction is associated with considerably reduced long-term survival, independent of other known risk factors.

synapsesocial.com/papers/6a6aa26a47a1bfb288f2da45https://doi.org/10.1002/clc.4960140811
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Also Consider

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

  1. 1Heart rate variability in relation to prognosis after myocardial infarction: Selection of optimal processing techniques1989 · 390 citations
  2. 2Comparison of baroreflex sensitivity and heart period variability after myocardial infarction1989 · 181 citations
  3. 3Comparison of time- and frequency domain-based measures of cardiac parasympathetic activity in Holter recordings after myocardial infarction1989 · 154 citations
  4. 4Cardiac parasympathetic activity during the early hours of acute myocardial infarction.1989 · 65 citations
  5. 5Autonomic Disturbance at Onset of Acute Myocardial Infarction1972 · 419 citations