Research
Print page Print page
Switch language
The Capital Region of Denmark - a part of Copenhagen University Hospital
Published

Comparison of the analgesic effect of an adductor canal block using a new suture-method catheter vs. standard perineural catheter vs. single-injection: a randomised, blinded, controlled study

Research output: Contribution to journalJournal articleResearchpeer-review

DOI

  1. The clinical implication of the association between hypoxaemia and postoperative troponin I: a reply

    Research output: Contribution to journalComment/debateResearchpeer-review

  2. A difficulty with the DIFFMASK score is the difficult statistics - a reply

    Research output: Contribution to journalLetterResearchpeer-review

  3. Development of evidence-based recommendations for procedure-specific pain management: PROSPECT methodology

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Pre-operative methylprednisolone and postoperative delirium after hip fracture surgery - a reply

    Research output: Contribution to journalLetterResearchpeer-review

  1. Sphenopalatine ganglion block for treatment of post-dural puncture headache

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Adductor canal block with a suture-method catheter - A parallel or perpendicular approach?

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Application of a novel catheter for lower limb nerve block

    Research output: Book/ReportPh.D. thesisResearch

View graph of relations

We performed a randomised, blinded, controlled study with adult patients scheduled for primary total knee arthroplasty under spinal anaesthesia. The aim was to investigate the analgesic effects of adductor canal block using catheter-based repeated boluses, either through a new suture-method catheter or a standard perineural catheter, compared with a single-injection technique. All patients received an adductor canal block after surgery with an initial bolus of 20 ml ropivacaine 0.75%, followed by 20 ml of ropivacaine 0.2% every 8 h in the standard and suture-method catheter groups, and sham boluses for the single-injection group. The primary outcome measure was total opioid consumption (intravenous morphine equivalents) from the end of surgery until 12:00 on postoperative day 2. Secondary outcomes were pain, muscle strength and ambulation. We randomly assigned (1:1:1) and analysed 153 patients. Total opioid consumption was median (IQR [range]) 24 (11-37 [0-148]) mg in the suture-method group, 38 (17-51 [0-123]) mg in the standard catheter group and 37 (14-57 [0-158]) mg in the single-injection group (p = 0.049). Differences were not statistically significant after Bonferroni correction (α = 0.05/3). There were no differences between groups on postoperative day 1. On postoperative day 2, there were no differences between catheter groups, but muscle strength and ambulation were improved compared with the single-injection group. We conclude that providing repeated boluses via a catheter did not decrease opioid consumption or pain compared with a single injection, but improved muscle strength and ambulation on postoperative day 2. The two types of catheters were similar.

Original languageEnglish
JournalAnaesthesia
Volume74
Issue number11
Pages (from-to)1397-1405
Number of pages9
ISSN0003-2409
DOIs
Publication statusPublished - Nov 2019

    Research areas

  • Aged, Analgesia/methods, Anesthetics, Local/administration & dosage, Arthroplasty, Replacement, Knee, Catheters, Female, Humans, Injections, Male, Nerve Block/instrumentation, Pain, Postoperative/drug therapy, Ropivacaine/administration & dosage, Single-Blind Method, Sutures, Treatment Outcome

ID: 58240244