The null hypothesis states there is no difference in effectiveness of the ESPB compared to placebo on early postoperative pain intensity measured with NRS in patients that underwent lumbar spine fusion surgery.
ID
Bron
Verkorte titel
Aandoening
Spondylolisthesis, lumbar disc herniation
Ondersteuning
Onderzoeksproduct en/of interventie
Uitkomstmaten
Primaire uitkomstmaten
Pain intensity in the postoperative care unit upon emergence, using the Numeric Rating Scale (NRS) for pain
Achtergrond van het onderzoek
Rationale: Lumbar spine surgery is associated with high postoperative pain scores and analgesic use, despite use of multimodal analgesia. The erector spinae plane block (ESPB) is a promising locoregional anesthetic technique for this type of surgery. The literature is not yet conclusive about the effectiveness of this technique on reducing postoperative pain intensity.
Objective: The objective of this study is to evaluate the analgesic effect of ESPB as add-on therapy to multimodal analgesia on early postoperative pain intensity after lumbar spinal fusion surgery compared to placebo.
Study design: The study is designed as a prospective mono-centre, randomized, double-blinded, placebo-controlled trial.
Study population: 76 patients ≥ 18 years of age requiring elective lumbar spinal fusion surgery involving two to four fusion levels.
Intervention: Patients will receive ultrasound-guided ESPB with either ropivacaine or placebo at the end of surgery.
Main study parameters/endpoints: Main study parameter is pain intensity upon emergence from anesthesia measured with the Numeric Rating Scale. A minimal clinically important difference is considered to be a decrease of 1.5 points. Secondary endpoints are pain intensity during hospital stay and after 30 days, opioid use during hospital stay and after 30 days, opioid side effects, use of anti-emetics, time to first opioid use/request, length of hospital stay, quality of recovery at discharge.
Nature and extent of the burden and risks associated with participation, benefit and group relatedness: The Sint Maartenskliniek is experienced in applying locoregional analgesia, the use of ropivacaine and using sonography. The procedure of administering ESPB has a very low risk of complications. Receiving placebo is justifiable because this group will not be withhold standard treatment. The risks of receiving placebo are negligible. The patients will visit the clinic at regular follow-up moments.
Doel van het onderzoek
The null hypothesis states there is no difference in effectiveness of the ESPB compared to placebo on early postoperative pain intensity measured with NRS in patients that underwent lumbar spine fusion surgery.
Onderzoeksopzet
Preoperative, day of surgery, PACU-admission, postoperative day 1 until discharge, 30 days postoperative
Onderzoeksproduct en/of interventie
Erector Spinae Plane Block injection with ropivacaine
Publiek
Wetenschappelijk
Belangrijkste voorwaarden om deel te mogen nemen (Inclusiecriteria)
• Age ≥ 18 years;
• Patients planned for elective lumbar spinal fusion surgery with a dorsal surgical approach;
• 2-4 level spine fusion surgery;
• Written informed consent.
Belangrijkste redenen om niet deel te kunnen nemen (Exclusiecriteria)
• A Body Mass Index (BMI) > 40 kg/m²;
• ASA physical health classification > 3;
• Patients who will undergo spine surgery involving less than 2 or more than 4 levels of fusion, scoliosis surgery;
• Patients who will undergo circumferent spine surgery;
• Patients with an active, local infection or systemic infection;
• Patients with an allergy to one or more medications used in the study;
• Patients with any contraindication to a regional anesthetic technique;
• Kidney- or liver failure inhibiting the systemic use of paracetamol and/or NSAIDs;
• Acute surgeries;
• Patients with a history of drugs or alcohol abuse;
• Pregnancy;
• Cognitive impairment;
• Inability to speak or understand the Dutch language.
Opzet
Deelname
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| Register | ID |
|---|---|
| NTR-new | NL9640 |
| Ander register | Commissie Mensgebonden Onderzoek regio Arnhem-Nijmegen : CMO regio A-N 091 |