Regional Analgesia for Cardiac Surgery Part 1. Current status of neuraxial and paravertebral blocks for adult cardiac surgery

Jagan Devarajan, Sennaraj Balasubramanian, Soheyla Nazarnia, Charles Lin, Kathirvel Subramaniam

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations

Abstract

Cardiac surgeries are known to produce moderate to severe pain. Pain management has traditionally been based on intravenous opioids. Poorly controlled pain can result in increased incidence of respiratory complications such as atelectasis and pneumonia leading to prolonged intubation and intensive care unit length of stay and subsequent prolonged hospital stay. Adequate perioperative analgesia improves hemodynamics and immunologic responses, which would result in better outcomes after cardiac surgery. Opioid sparing “Enhanced Recovery After Surgery” protocols are increasingly being incorporated into cardiac surgeries. This will reduce opioid requirements and opioid-related side effects and facilitate fast-tracking of patients. Regional analgesia can be provided by neuraxial blocks, fascial plane blocks, peripheral nerve blocks, or simply by the infiltration of the wound with local anesthetics for cardiac surgery. Neuraxial analgesia is provided through epidural, spinal, and paravertebral routes. Though they are being replaced by peripheral fascial plane blocks, epidural and spinal analgesia are still being used in some centers. In this article, neuraxial forms of analgesia are focused. We sought to review epidural analgesia and its impact in suppressing hemodynamic stress response, reducing pulmonary complications, and development of chronic pain. The relationship between intraoperative heparinization and potential neuraxial hematoma is discussed. Other neuraxial options such as spinal and paravertebral analgesia and their usefulness, benefits, and limitations are also reviewed.

Original languageEnglish
Pages (from-to)252-264
Number of pages13
JournalSeminars in Cardiothoracic and Vascular Anesthesia
Volume25
Issue number4
DOIs
StatePublished - Dec 2021

Keywords

  • analgesia
  • cardiac anesthesia
  • epidural analgesia
  • non-opioid analgesia
  • opioids
  • outcome
  • paravertebral analgesia

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