Bilateral Single-Shot Thoracic Paravertebral Block Shows Promising Results in Reducing Postoperative Pain in CABG Surgery Patients

A recent study published in the Journal of Cardiothoracic and Vascular Anesthesia has found that bilateral single-shot thoracic paravertebral block (PVB) significantly reduces postoperative pain in patients undergoing coronary artery bypass grafting (CABG) surgery. The study, conducted at Adiyaman University in Turkey, evaluated the effects of PVB on postoperative analgesia in patients who underwent elective CABG surgery. The researchers found that patients who received PVB in addition to general anesthesia had lower intraoperative fentanyl consumption and postoperative paracetamol requirements compared to those who received general anesthesia alone.

Key Takeaways:

  • Bilateral single-shot thoracic PVB may be a safe and effective adjunct to general anesthesia in patients undergoing CABG surgery.
  • Patients who received PVB had significantly lower intraoperative fentanyl consumption (p < 0.05) and postoperative paracetamol requirements compared to those who received general anesthesia alone.
  • PVB was associated with superior analgesia, decreased opioid consumption, and improved early recovery parameters in CABG surgery patients.
  • The study found that PVB increased time to first mobilization and time to chest drain removal, but these outcomes were not statistically significant.
  • The researchers concluded that PVB may be integrated into multimodal analgesia protocols, but prospective randomized controlled trials are needed to validate these results.

Statistics:

  • 110 patients were included in the study, with 59 receiving general anesthesia alone (Group C) and 51 receiving general anesthesia combined with a bilateral single-dose thoracic PVB (Group B).
  • Group B showed significantly lower intraoperative fentanyl consumption (mean difference: 10.2 mcg/kg vs. 25.5 mcg/kg, p < 0.05).
  • Patients in Group B had reduced postoperative paracetamol requirements (mean difference: 300 mg vs. 500 mg, p < 0.05).
  • The study found no significant differences in extubation time, intensive care unit and hospital length of stay between the two groups.

Sources:

  • The Effect of Thoracic Paravertebral Block on Postoperative Pain After Coronary Artery Bypass Graft Surgery: A Retrospective Study. Journal of Cardiothoracic and Vascular Anesthesia, 2025.
  • Yilmaz Nezir, Dept. of Anesthesiology and Reanimation, Adiyaman University, Adiyaman, Turkey.
  • Guven Cengiz and Daghan Abdurrahman, Additional authors on the research.
  • W B Saunders Co-elsevier Inc, 1600 John F Kennedy Boulevard, Ste 1800, Philadelphia, PA 19103-2899, USA.