- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03799068
Suprazygomatic Nerve Block vs Surgical Site Infiltration in Cleft Palate Repair
Comparative Study of Bilateral Suprazygomatic Maxillary Nerve Block and Surgical Site Infiltration for Perioperative Analgesia in Children Undergoing Cleft Palate Repair
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Congenital cleft palate (CP) occurs in children at a rate of about 1.5 per 10 000 births, Early surgery is necessary to reduce phonation and feeding difficulties and reduce complications such as frequent sinusitis and other respiratory tract infections. The surgical procedure can be complicated by airway obstruction and respiratory complications. CP is painful in the first 24-48 h following surgery.
Different treatment modalities have been used for reducing or ameliorating the pain following cleft palate repair. These include opioids, paracetamol, non steroidal anti-inflammatory drugs (NSAIDs), surgical site infiltration and various nerve blocks However, the analgesic drugs may provide inadequate analgesia and have side effects such as respiratory depression and bleeding. The inherent disadvantages of analgesic pharmacotherapy in children promoted interest in nerve blocking techniques for operative analgesia. These became established in paediatric anaesthetic practice with the accumulating evidence of advantages such as postoperative pain relief, reduced use of potent narcotics, rapid return of alertness, early feeding and moving about, and early discharge in day care surgery.
The maxillary nerve, the second division of the trigeminal nerve, leaves the cranial part of the face through the foramen rotundum, and then passes forward and laterally through the pterygopalatine fossa, at the bottom of the pterygomaxillary fossa, and reaches the floor of the orbit by the infra- orbital foramen. This sensory nerve supplies innervation of the lower eyelid, the upper lip, the skin between them, the roof of the mouth, and the palate.
Maxillary nerve block through the infrazygomatic route, used for the treatment of trigeminal neuralgia in adults, permits anesthesia of the entire palatine territory. However, this nerve block has lead to complications such as orbital puncture, intracranial injection, maxillary artery puncture, or posterior pharyngeal wall injury In adults, approach to the suprazygomatic MN block (SMB) seems to minimize the risks of the infrazygomatic route providing effective anaesthesia of the entire sensory territory of the MN and its terminal branches.
Bupivacaine, a long-acting amide local anaesthetic has been used widely in infants, particularly for infiltration of wound-edges and nerve blocking.
Pre-incisional infiltration of local anaesthetics has been used both in adults and children in a variety of surgeries with variable results. submucosal infiltration performed by the surgeon seems to alter surgical conditions. Maxillary nerve block using the suprazygomatic approach has demonstrated beneficial effects in adults for trigeminal neuralgia.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Assiut, Egypt, 71515
- Assiut University Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- ASA grade I-III.
- Aged from1-5 years
- Undergoing cleft palate repair.
Exclusion Criteria:
- Patient's refusal.
- Allergy to local anaesthetics.
- Trigeminal neuralgia.
- Bleeding diathesis.
- Inflammation or infection over injection site.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Active Comparator: suprazygomatic maxillary nerve block
the group were given a bilateral suprazygomatic maxillary nerve block with 0.125% bupivacaine, 2 ml on each side, the total dose of bupivacaine not exceeding 2 mg/kg.
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bilateral Suprazygomatic maxillary nerve block is performed before surgery in anaesthetized children, after aseptic preparation of the skin.
The patient is in supine position with the head in neutral position.
The puncture site is at the frontozygomatic angle, at the junction of the upper edge of the zygomatic arch and the frontal process.
A 24G needle is attached to a syringe containing the local anaesthetic.
It is advanced to reach the greater wing of sphenoid at approximately 20 mm depth, then withdrawn a few millimetres and redirected toward the nasolabial fold in a 20° forward and 10° downward direction.
The progression in the pterygopalatine fossa is 35 to 45 mm.
Loss of resistance after passing through the temporalis muscle assisted in determining the puncture depth.
After a negative blood aspiration test, the calculated dose of the local anaesthetic is injected on each side.
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Active Comparator: surgical site infiltraion
the group were given peri-incisional infiltration with 0.125% bupivacaine, 2 ml on each side.
In all cases the block was given by the anaesthetist and the infiltration by the surgeon.
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peri-incisional infiltration of bupivacaine around the incision site given by the surgeon on an anesthetized patient before the incision is done.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain assessment
Time Frame: 24 hours postoperative
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By Children's Hospital of Eastern Ontario Pain Scale (CHEOPS) in Young Children (1-7 years) is a behavioral scale for evaluating postoperative pain in young children. Cry No crying +1 Moaning,crying +2 Screaming+3 Facial expression: Smiling +1 Composed, neutral +2 Grimace +3 Verbal responses Positive statements +1 Negative statement +2 Suffering from pain +3 Torso Neutral/resting +1 Shifting, shivering, upright +2 Restrained +3 Legs Neutral position+1 Squirming/kicking, drawn up, tensed legs +2 Restrained +3 Cheops score of 4 or less indicates no pain. Rescue analgesic consisting of paracetamol 10-15 mg/kg will be given rectally when CHEOPS is > 4. |
24 hours postoperative
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Cleft Palate
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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