Blocking of internal branch of superior laryngeal nerve using ultrasound before surgery to decrease occurance of sore throat after surgery with face lying downward position spine surgery

Preoperative ultrasound guided internal branch of superior laryngeal nerve block for alleviating postoperative sore throat in prone position surgery: a randomized controlled trial. - Nil

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2024/12/077613

Enrollment

122

Registered

2024-12-03

Start date

Unknown

Completion date

Unknown

Last updated

2024-12-09

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

Conditions

Health Condition 1: O- Medical and Surgical Health Condition 2: O- Medical and Surgical Health Condition 3: O- Medical and Surgical

Interventions

Intervention1: Internal branch of superior laryngeal nerve block: Bilateral (both sides)internal branch of superior laryngeal nerve will be blocked with 2 ml 0.2 % Ropivacaine each injected using 23 g

Eligibility

Inclusion criteria

Inclusion criteria: 1)Age -18-65 years 2)ASA grades 1 and 2 3)Elective thoracic and lumber spine surgery in the prone position

Exclusion criteria

Exclusion criteria: 1.Refusal to consent 2.ASA status III & IV 3.Preoperative hoarseness, sore throat or cough 4.Presence of any predictor of difficult intubation -MMP 3/4 5.Requirement of more than one attempt at endotracheal intubation 6.Patient on corticosteroids 7.Preoperative nasogastric tube in situ 8.Duration of surgery more than 5 hours 9.Allergy to Ropivacaine

Design outcomes

Primary

Measure	Time frame
To assess the incidence of Postoperative sore throat at 6 hoursTimepoint: 6 hours	—

Secondary

Measure	Time frame
To assess the incidence of POST at 2 & 24 hrs To assess the severity of POST at 2, 6 & 24 hrs Incidence and severity of hoarseness of voice at 2, 6 & 24 hrs Hemodynamic response to extubation. Incidence of any other perioperative complications like laryngospasm Satisfaction score of patient (swallowing discomfort) Timepoint: 2,6,24 hours	—

Countries

India

Contacts

Public ContactDr. Suman Arora

PGIMER, CHANDIGARH

drsumanarora@hotmail.com9316025807

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026