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Ultrasound‐guided continuous deep serratus anterior plane block versus continuous thoracic paravertebral block for perioperative analgesia in videoscopic‐assisted thoracic surgery
Author(s) -
Hanley Ciara,
Wall Tom,
Bukowska Irmina,
Redmond Karen,
Eaton Donna,
Ní Mhuircheartaigh Róisín,
Hearty Conor
Publication year - 2020
Publication title -
european journal of pain
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.305
H-Index - 109
eISSN - 1532-2149
pISSN - 1090-3801
DOI - 10.1002/ejp.1533
Subject(s) - medicine , perioperative , anesthesia , analgesic , opioid , surgery , randomized controlled trial , cardiothoracic surgery , regimen , receptor
Background The deep serratus anterior plane block (SAPB) is a promising novel regional anaesthesia technique for blockade of the anterolateral chest wall. Evidence for the efficacy of SAPB versus other analgesic techniques in thoracic surgery remains inadequate. Aims This study compared ultrasound‐guided continuous SAPB with a surgically placed continuous thoracic paravertebral block (SPVB) technique in patients undergoing videoscopic‐assisted thoracic surgery (VATS). Methods In a single‐centre, double‐blinded, randomized, non‐inferiority study, we allocated 40 patients undergoing VATS to either SAPB or SPVB, with both groups receiving otherwise standardized treatment, including multimodal analgesia. The primary outcome was 48‐hr opioid consumption. Secondary outcomes included numerical rating scale (NRS) for postoperative pain, patient‐reported worst pain score (WPS) as well as functional measures (including mobilization distance and cough strength). Results A 48‐hr opioid consumption for the SAPB group was non‐inferior compared with SPVB. SAPB was associated with improved NRS pain scores at rest, with cough and with movement at 24 hr postoperatively ( p  = .007, p  = .001 and p  = .012, respectively). SAPB was also associated with a lower WPS ( p  = .008). Day 1 walking distance was improved in the SAPB group ( p  = .012), whereas the difference in cough strength did not reach statistical significance ( p  = .071). There was no difference in haemodynamics, opioid side effects, length of hospital stay or patient satisfaction between the two groups. Conclusions The SAPB, as part of a multimodal analgesia regimen, is non‐inferior in terms of 48‐hr opioid consumption compared to SPVB and is associated with improved functional measures in thoracic surgical patients. ClinicalTrials.gov Identifier: NCT03768193. Significance The SAPB interfascial plane block is an efficacious alternative method of opioid‐sparing analgesia in high‐risk thoracic surgical patients as part of an enhanced recovery programme.

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