- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07695987
Quadro-Iliac Plane Block for Analgesia After Lumbar Microdiscectomy (QIPB RCT)
Effect of Ultrasound-Guided Quadro-Iliac Plane Block Compared With Local Infiltration Analgesia After Single-Level Lumbar Microdiscectomy: A Prospective, Double-Blind, Controlled, Multicenter Randomized Trial
This study will evaluate whether ultrasound-guided quadro-iliac plane block provides better postoperative pain control than local infiltration analgesia in patients undergoing single-level lumbar microdiscectomy.
Adult patients scheduled for elective single-level lumbar microdiscectomy will be randomly assigned to receive either bilateral quadro-iliac plane block plus patient-controlled analgesia or local infiltration analgesia plus patient-controlled analgesia. The main outcome of the study will be total fentanyl consumption during the first 24 hours after surgery. Pain scores, need for rescue analgesia, opioid-related side effects, patient satisfaction, and recovery quality will also be evaluated.
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
This is a prospective, randomized, double-blind, controlled, multicenter clinical trial designed to assess the analgesic efficacy of ultrasound-guided quadro-iliac plane block in patients undergoing elective single-level lumbar microdiscectomy.
Patients aged 18-75 years with American Society of Anesthesiologists physical status I-III who are scheduled for elective single-level lumbar microdiscectomy under general anesthesia will be included. Participants will be randomized into two groups. The intervention group will receive bilateral ultrasound-guided quadro-iliac plane block before emergence from anesthesia, followed by postoperative patient-controlled analgesia. The control group will receive local infiltration analgesia performed by the surgeon, followed by postoperative patient-controlled analgesia.
All patients will receive a standardized general anesthesia protocol. Postoperative analgesia will be provided using a fentanyl-based patient-controlled analgesia device. The primary outcome will be total fentanyl consumption during the first postoperative 24 hours. Secondary outcomes will include numerical rating scale pain scores at predefined postoperative time points, rescue analgesic requirement, opioid-related adverse effects such as nausea, vomiting, pruritus and respiratory depression, dermatomal sensory spread, and patient-reported recovery quality using the QoR-15 questionnaire.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Engin ihsan Turan, principal investigator
- Numero di telefono: +905382431114
- Email: drenginihsan@gmail.com
Luoghi di studio
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Istanbul
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Istanbul, Istanbul, Turchia (Türkiye), 34303
- Health Science University İstanbul Kanuni Sultan Süleyman Education and Training Hospital
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Adults aged 18 to 75 years
- American Society of Anesthesiologists physical status I to III
- Scheduled for elective single-level lumbar microdiscectomy, such as L4-L5 or L5-S1 disc herniation
- Planned surgery under general anesthesia
- Able to provide written informed consent
Exclusion Criteria:
- Allergy or hypersensitivity to local anesthetics
- Coagulopathy or active anticoagulant use
- Infection, scar tissue, or skin lesion at the injection site
- Pregnancy or breastfeeding
- Chronic pain syndrome or regular opioid use
- American Society of Anesthesiologists physical status IV or higher
- Planned surgery for two or more levels of disc herniation
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione parallela
- Mascheramento: Doppio
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Comparatore attivo: Quadro-Iliac Plane Block Group
Participants in this group will receive bilateral ultrasound-guided quadro-iliac plane block before emergence from general anesthesia, followed by postoperative fentanyl-based patient-controlled analgesia.
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Bilateral ultrasound-guided quadro-iliac plane block will be performed before emergence from general anesthesia in the prone position.
After visualization of the quadratus lumborum muscle and iliac crest at the L3 level, 30 mL of 0.167% bupivacaine will be injected into the interfascial plane on each side.
All participants will receive postoperative fentanyl-based patient-controlled analgesia.
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Comparatore attivo: Local Infiltration Analgesia Group
Participants in this group will receive surgeon-performed local infiltration analgesia, followed by postoperative fentanyl-based patient-controlled analgesia.
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Local infiltration analgesia will be performed by the surgeon before the end of surgery.
A total dose of 50 mg of 0.25% bupivacaine will be infiltrated into the subcutaneous tissue.
All participants will receive postoperative fentanyl-based patient-controlled analgesia.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Total Fentanyl Consumption During the First 24 Hours After Surgery
Lasso di tempo: Postoperative 0-24 hours
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Total postoperative fentanyl consumption administered via patient-controlled analgesia will be recorded during the first 24 hours after surgery.
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Postoperative 0-24 hours
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Postoperative Pain Scores at Rest and During Movement
Lasso di tempo: Postoperative 0, 1, 6, 12, and 24 hours
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Pain intensity will be assessed using the Numerical Rating Scale at rest and during movement.
The scale ranges from 0 to 10, where 0 indicates no pain and 10 indicates the worst imaginable pain.
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Postoperative 0, 1, 6, 12, and 24 hours
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Rescue Analgesic Requirement
Lasso di tempo: Postoperative 0-24 hours
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The need for rescue analgesia with intravenous tenoxicam will be recorded during the postoperative follow-up period.
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Postoperative 0-24 hours
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Opioid-Related Adverse Effects
Lasso di tempo: Postoperative 0-24 hours
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Opioid-related adverse effects, including nausea, vomiting, pruritus, and respiratory depression, will be recorded.
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Postoperative 0-24 hours
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Quality of Recovery Score
Lasso di tempo: Postoperative 24 hours
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Patient-reported recovery quality will be assessed using the Quality of Recovery-15 questionnaire.
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Postoperative 24 hours
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Dermatomal Sensory Spread
Lasso di tempo: Postoperative 2 hours
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Dermatomal sensory spread of the block will be evaluated using a cold test.
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Postoperative 2 hours
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Collaboratori e investigatori
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- Quadroiliac plane block RCT
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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