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  • Bilateral USG-guided...

Bilateral USG-guided ESP block decreases short-term opioid consumption after lumbar spinal fusion surgery

Dr Supreeth  D RWritten by Dr Supreeth D R Published On 2023-01-17T20:00:43+05:30  |  Updated On 18 Jan 2023 7:32 AM GMT
Bilateral USG-guided ESP block decreases short-term opioid consumption after lumbar spinal fusion surgery

Both Erector Spinae Plane (ESP) block and wound infiltration are used to improve analgesia following spinal fusion surgery. Zhen Zhang et al conducted a study to compare the analgesic effect of bilateral erector spinae plane block with wound infiltration in this patient population. The study has been published in ‘European Spine Journal.’In this randomized trial, 60 patients scheduled...

Both Erector Spinae Plane (ESP) block and wound infiltration are used to improve analgesia following spinal fusion surgery. Zhen Zhang et al conducted a study to compare the analgesic effect of bilateral erector spinae plane block with wound infiltration in this patient population. The study has been published in ‘European Spine Journal.’

In this randomized trial, 60 patients scheduled for elective open posterior lumbar interbody fusion surgery were randomized to receive either ultrasound-guided bilateral erector spinae plane block before incision (n=30) or wound infiltration at the end of surgery (n=30).

For patients assigned to erector spinae plane block, a 8-cm 21-gauge block needle was inserted in an out-of-plane mode until it contacted the target transverse process. After verifying the position of the needle tip with 2 mL normal saline, 20 mL 0.375% ropivacaine was injected. The procedure was repeated on the contralateral side. For patients assigned to wound infiltration, 40 mL of 0.375% ropivacaine was infiltrated along each side of the wound edges after closure.

Both groups received standardized general anesthesia and postoperative analgesia, including patient-controlled analgesia with sufentanil and no background infusion. Opioid consumption and pain intensity were assessed at 2, 6, 12, 24, and 48 h after surgery. The primary outcome was cumulative opioid consumption within 24 h after surgery.

Key findings of the study were:

• All 60 patients were included in the intention-to-treat analysis.

• The equivalent dose of sufentanil consumption within 24 h was significantly lower in patients given erector spinae plane block (median 11 μg, interquartile range 5–16) than in those given wound infiltration (20 μg, 10 to 43; median diference−10 μg, 95% CI−18 to−3, P=0.007).

• The cumulative number of demanded PCA boluses was significantly lower with erector spinae plane block at 6 h (median diference−2, 95% CI−3 to 0, P=0.006), 12 h (−3, 95% CI−6 to−1, P=0.002), and 24 h (−5, 95% CI−8 to−2, P=0.005) postoperatively.

• The proportion given rescue analgesia was also significantly lower in patients given erector spinae plane block group within 48 h (relative risk 0.27, 95% CI 0.07 to 0.96, P=0.037).

• There were no statistical differences in pain intensity at any timepoints between groups.

• No procedure-related adverse events occurred.

The authors opined – ‘In conclusion, compared with wound infiltration, bilateral ultrasound-guided ESP block decreases short-term opioid consumption while providing similar analgesia in patients following lumbar spinal fusion surgery. A bilateral ESP block may be recommended in these patients considering its opioid-sparing effects.’

Further reading:

Bilateral ultrasound guided erector spinae plane block versus wound infiltration for postoperative analgesia in lumbar spinal fusion surgery: a randomized controlled trial

Zhen Zhang, Ran Lyu Zhu et al

European Spine Journal

https://doi.org/10.1007/s00586-022-07453-y

Spinal fusion Analgesia Postoperative period Nerve block Erector spinae plane block Wound infiltration Zhen Zhang European Spine Journal 
Source : European Spine Journal
Dr Supreeth  D R
Dr Supreeth D R

    MBBS, Dip. Ortho, DNB ortho, MNAMS

    Dr Supreeth D R (MBBS, Dip. Ortho, DNB ortho, MNAMS) is a practicing orthopedician with interest in medical research and publishing articles. He completed MBBS from mysore medical college, dip ortho from Trivandrum medical college and sec. DNB from Manipal Hospital, Bengaluru. He has expirence of 7years in the field of orthopedics. He has presented scientific papers & posters in various state, national and international conferences. His interest in writing articles lead the way to join medical dialogues. He can be contacted at editorial@medicaldialogues.in.

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