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Trans-nasal Sphenopalatine Ganglion Block for Prevention of Emergence Agitation Following Functional Endoscopic Sinus Surgery

Effect of Bilateral Trans-nasal Sphenopalatine Ganglion Block on Emergence Agitation Following Functional Endoscopic Sinus Surgery: A Double-Blind Randomized Controlled Trial

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07645521
Acronym
SPGB-EA
Enrollment
100
Registered
2026-06-12
Start date
2025-01-05
Completion date
2026-04-13
Last updated
2026-06-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Rhinosinusitis (CRS), Emergence Agitation

Keywords

Functional Endoscopic Sinus Surgery, FESS, Sphenopalatine Ganglion Block, SPGB, Trans-nasal Sphenopalatine Ganglion Block, Emergence Agitation, Randomized Controlled Trial, Postoperative Pain, Sinonasal Surgery

Brief summary

This randomized double-blind controlled trial aims to evaluate whether bilateral trans-nasal sphenopalatine ganglion block (SPGB) using bupivacaine reduces the incidence of emergence agitation following Functional Endoscopic Sinus Surgery (FESS) compared with placebo. Secondary objectives include evaluation of postoperative pain, postoperative opioid consumption, hemodynamic parameters, postoperative nausea and vomiting, and adverse events.

Interventions

PROCEDUREBilateral Trans-nasal Sphenopalatine Ganglion Block

Bilateral trans-nasal sphenopalatine ganglion block performed under direct endoscopic visualization using 1.5 mL of 0.5% bupivacaine per side.

PROCEDURESham Trans-nasal Injection

Bilateral trans-nasal sham injection performed under direct endoscopic visualization using 1.5 mL of normal saline per side.

Sponsors

Mansoura University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

The study solution was prepared in identical syringes by a scrub nurse who was not involved in patient management, outcome assessment, data collection, or statistical analysis. Participants, the surgeon performing the block and surgery, the attending anesthesiologist, outcome assessors, investigators, and the statistician remained blinded to treatment allocation throughout the study.

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Age 18-65 years. * ASA physical status I-II. * Scheduled for elective FESS under general anesthesia. * Ability to provide informed consent.

Exclusion criteria

* ASA physical status III or higher. * Known allergy or contraindication to local anesthetics. * Coagulopathy or anticoagulant therapy. * Psychiatric illness or cognitive impairment affecting agitation assessment. * Chronic opioid use or substance abuse. * Pregnancy or lactation. * Revision nasal surgery or anatomical abnormalities preventing SPGB. * Intraoperative complications requiring deviation from the study protocol.

Design outcomes

Primary

MeasureTime frameDescription
Incidence of Emergence Agitationfirst 30 minutes in the post-anesthesia care unit (PACU).Incidence of emergence agitation, defined as a Richmond Agitation-Sedation Scale (RASS) score ≥ +2 at any time during the first 30 minutes in the post-anesthesia care unit (PACU).

Secondary

MeasureTime frameDescription
Postoperative Pain Scoresfirst 30 minutes in the post-anesthesia care unit (PACU)Pain intensity assessed using the Visual Analog Scale (VAS).
Postoperative Fentanyl Consumptionfirst 30 minutes in the post-anesthesia care unit (PACU)Total postoperative fentanyl requirement administered for rescue analgesia.
Mean Arterial Blood PressureFrom induction of anesthesia until first 30 minutes in the post-anesthesia care unit (PACU)Intraoperative and postoperative mean arterial blood pressure measurements.
Heart RateFrom induction of anesthesia until first 30 minutes in the post-anesthesia care unit (PACU)Intraoperative and postoperative heart rate measurements.
Incidence of Postoperative Nausea and Vomitingfirst 30 minutes in the post-anesthesia care unit (PACU)Occurrence of postoperative nausea and/or vomiting.
Adverse EventsFrom induction of anesthesia until first 30 minutes in the post-anesthesia care unit (PACU)Procedure-related complications including epistaxis, local anesthetic systemic toxicity, diplopia or visual symptoms, palatal numbness, and other adverse events.
Duration of SurgeryDuring surgeryTotal operative time measured from surgical incision to completion of surgery.

Countries

Egypt

Contacts

PRINCIPAL_INVESTIGATORAmir Mostafa Shabana, MD

Faculty of Medicine, Mansoura University, Mansoura, Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 13, 2026