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Suprazygomatic Maxillary Nerve Block in Pediatric Tonsillectomy

RecruitingNAAges 3 Years - 9 YearsAllLondon Health Sciences Centre Research Institute …
NCT07176533 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Tonsillectomies are among the most common surgical procedures performed in pediatric populations, with more than 14,000 procedures performed annually in Ontario, with more than 80% being performed to treat sleep-disordered breathing, including sleep apnea. Despite being a routine procedure, postoperative pain is a prevalent challenge following tonsillectomies, with significant pain lasting 7 to 10 days and peaking within the first 3 days following surgery. Effective pain management is critical not only to enhance patient comfort, but to ensure functional recovery, decrease the risk of post-surgical complications, and reduce the risk of hospital readmissions. The suprazygomatic maxillary nerve block (SZMN block) has become a promising alternative to opioids for the management of post-tonsillectomy pain. The SZMN block numbs the nerves in the facial region that would contribute to feeling

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. Patients undergoing coblation intracapsular tonsillectomy or adenotonsillectomy for sleep apnoea. 2. Between 3-9 years old (inclusive). 3. Patient(s) and guardian(s) can consent to participate in the study. 4. Legal guardian(s) can read and write in English. Exclusion Criteria: 1. Patient or legal guardian refusal to participate in the study. 2. Emergency surgery. 3. Allergies to local anesthetics. 4. Patients with coagulopathy. 5. Congenital facial abnormalities including (but not limited to) hemifacial microsomia, maxillary hypoplasia, Treacher-Collins syndrome, and Goldenhar syndrome. 6. Developmental delay or neurological impairment including (but not limited to) Trisomy 21, cerebral palsy, and autism spectrum disorder. 7. Previous airway surgery or a known or predicted airway difficulty.
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What it tests

  • Suprazygomatic maxillary nerve block (SZMN) with bupivacaine
  • Suprazygomatic maxillary nerve block (SZMN) with placebo
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Where

1 site
Victoria Hospital, London Health Sciences Center, Western University
London, Canada
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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