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January 16, 2008AnaesthesiaOpen Access

Does heart rate variability predict hypotension and bradycardia after induction of general anaesthesia in high risk cardiovascular patients?*

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Why the study?

Does low pre-operative heart rate variability predict hypotension and bradycardia after induction of general anaesthesia in high risk cardiovascular patients?

Population

50 high risk cardiovascular patients (Revised Cardiac Risk Index score = 3) scheduled for general anaesthesia

Comparison

Low pre-operative heart rate variability (total… vs Normal/high pre-operative heart rate variability…

Design

Cohort

Follow-up

after induction of anaesthesia

Authors

RHR. HanßKiel UniversityJRJochen RennerSchmerzklinik KielCIC. IliesMarienhospital Stuttgart

Discussion

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Implication

May support preoperative HRV for identifying induction risk in high-risk patients; leaves open need for prospective validation before clinical adoption.

Structured PICO

Does low pre-operative heart rate variability predict hypotension and bradycardia after induction of general anaesthesia in high risk cardiovascular patients?

P
Population
50 high risk cardiovascular patients (Revised Cardiac Risk Index score = 3) scheduled for general anaesthesia
I
Intervention
Low pre-operative heart rate variability (total power < 500 ms2 x Hz(-1))
C
Comparator
Normal/high pre-operative heart rate variability (total power > 500 ms2 x Hz(-1))
O
Outcome
Haemodynamic events (hypotension or bradycardia) after standardised induction of anaesthesiacomposite

Pre-operative heart rate variability measurement can identify high-risk cardiovascular patients likely to experience haemodynamic instability during induction of general anaesthesia.

Cite This Study

Hanß et al. (2008) studied this question.

synapsesocial.com/papers/6a1fc8f34c36a71486e69bb0https://doi.org/10.1111/j.1365-2044.2007.05321.x
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Also Consider

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

  1. 1Changes in Heart Rate Variability Under Propofol Anesthesia1994 · 164 citations
  2. 2Association of Perioperative Myocardial Ischemia with Cardiac Morbidity and Mortality in Men Undergoing Noncardiac Surgery1991 · 344 citations
  3. 3Pre‐operative measurement of heart rate variability predicts hypotension during general anesthesia2006 · 75 citations
  4. 4Using Heart Rate Variability to Stratify Risk of Obstetric Patients Undergoing Spinal Anesthesia2004 · 82 citations
  5. 5Predictors of long‐term mortality and cardiac events in patients with known or suspected coronary artery disease who survive major non‐cardiac surgery2004 · 50 citations