About this trial
The investigators aim to compare the postoperative analgesic efficacy of the classical thoracolumbar interfascial plane block and the Quadro-iliac plane block for postoperative analgesia management after lumbar disc surgery.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients aged 18-70 years,
Classified as ASA physical status I-III,
Scheduled to undergo single-level lumbar spinal surgery under general anesthesia
Who agree to participate in the study by providing written informed consent
Disqualifiers
History of bleeding diathesis or current anticoagulant therapy
Known allergy or hypersensitivity to local anesthetics or opioid medications
Infection at the planned block injection site
Previous lumbar spine surgery
Trial design
Parallel
Treatments tested in this trial
Quadro-iliac plane block
Other interventionQuadro-iliac plane block will be performed under ultrasound guidance before the induction of general anesthesia.
Classical thoracolumbar interfascial plane block
Other interventionClassical thoracolumbar interfascial plane block will be performed under ultrasound guidance before the induction of general anesthesia.
Treatment groups
Trial outcomes
Primary outcomes
Opioid consumption
In the postoperative period, patients will be given opioids according to their pain density with a patient-controlled device, and the daily Morphine consumption in Patient Controlled Analgesia device will be collected and compared between groups.
Secondary outcomes
Perioperative pain intensity
Changes in the Numerical Rating Scale (NRS) will be recorded at rest and during movement. The participant's baseline NRS will be recorded, followed by measurements before and after neuraxial positioning and up to 24 hours post-surgery. The NRS is a unidimensional measure of pain intensity in adults. It is a segmented numerical version of the Visual Analog Scale (VAS) where the participant selects a whole number (0-10) that best represents the intensity of their pain. The 11-point numerical scale ranges from '0' representing one end of the pain spectrum (e.g. 'no pain') to '10' representing the other end (e.g. 'worst imaginable pain').
Postoperative nausea and vomiting
Postoperative nausea and vomiting (PONV): During follow-up, patients who experience nausea or vomiting will be evaluated using a verbal descriptive PONV scale (0=None, 1=Mild nausea, 2=Moderate nausea, 3=Single episode of vomiting, 4=More than one episode of vomiting).
Quality of recovery 15 scale
Postoperative Quality of Recovery 15 in Turkish scale. The QoR-15 (Quality of Recovery-15) questionnaire is a simple and practical tool used to assess postoperative recovery. It consists of 15 items, each scored on a numeric scale from 0 to 10, resulting in a total score ranging from 0 to 150. Based on the total score, postoperative recovery is categorized as follows: 136-150: Excellent recovery 122-135: Good recovery 90-121: Moderate recovery 0-89: Poor recovery
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