Volatile Anesthetics in Cardiac Protection

  • STATUS
    Recruiting
  • End date
    Dec 14, 2022
  • sponsor
    Università Vita-Salute San Raffaele
Updated on 14 July 2022
sevoflurane
intravenous anesthesia
cardiac operation

Summary

Patients undergoing stenting procedures, or cardiac or non-cardiac surgery could develop myocardial damage as testified by cardiac troponin release.

Sevoflurane (volatile anesthetic), routinely used in cardiac and non-cardiac anesthesia, has cardioprotective properties that could be useful to reduce cardiac damage, as indicated by cardiac troponin release in different contexts:

  • stenting procedures (periprocedural administration)
  • non-cardiac surgery (during the whole procedure)
  • cardiac surgery (during the whole procedure)

Description

Stenting procedures, cardiac and non-cardiac surgical procedures may carry a significant risk of cardiac damage ultimately leading to prolonged hospital stay and even a non-negligible periprocedural mortality rate. According to the American College of Cardiology/American Heart Association Guidelines all anesthetic techniques and drugs have known cardiac effects that should be considered in the perioperative plan. There appears to be no one best myocardium protective anesthetic technique: the choice of anesthesia is best left to the discretion of the anesthesia care team. To date no anesthesiological drug or techniques proved to reduce perioperative morbidity and mortality in cardiac surgery, only Beta-blockers and locoregional analgesia showed improved outcomes after non-cardiac surgery and no study on anesthesiological drugs has been performed in stenting procedures.

Volatile anesthetics, which are commonly used in general anesthesia to induce and maintain hypnosis, analgesia, amnesia and mild muscle relaxation, have been shown to improve post-ischemic recovery at the cellular level, in isolated hearts, and in animals, both through a pharmacological preconditioning and postconditioning action. Whether the cardioprotective effects of volatile anesthetics are clinically applicable and associated with improved cardiac function, ultimately resulting in a better outcome in patients undergoing cardiac surgery, is still debated. No data exist on patients undergoing non-cardiac surgery or stenting procedures.

A recently published meta-analysis including studies considering all volatile anesthetics showed no reduction in myocardial infarction and perioperative death rate. However the newer volatile anesthetics (desflurane and sevoflurane) seem to have more prominent cardioprotective properties and numerous apparently positive reports targeted to surrogate end-points, yet severely underpowered, have appeared in the literature. Of interest, many of these studies were not included in the above cited meta-analysis.

To address the question of whether the choice of an anesthetic regimen might influence patients' outcome we have planned a RCT to determine the impact of sevoflurane on perioperative cardiac damage in patients undergoing cardiac surgery, non-cardiac surgery and stenting procedures.

Details
Condition Anesthesia
Treatment Sevoflurane (Volatile Anesthetic), Total intravenous anesthesia
Clinical Study IdentifierNCT00364637
SponsorUniversità Vita-Salute San Raffaele
Last Modified on14 July 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Cardiac surgery
Non-cardiac surgery
Stenting procedures

Exclusion Criteria

Age < 18 years old
Not signing written consent
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