Ultrasound-Guided Internal Superior Laryngeal Nerve Block for Double-Lumen Bronchial Tube

Menoufia University

Status and phase: Enrolling; Phase 4

Conditions: Postoperative Sore Throat

Treatments: Drug: Bupivacaine 0.5% Injectable Solution; Drug: Lidocaine 2% Injectable Solution; Procedure: internal superior laryngeal nerve block

Study type: Interventional

Funder types: Other

Identifiers

NCT05825872

2/2023ANET15-1

Details and patient eligibility

About

investigate the effectiveness and safety of ultrasound-guided bilateral internal branch of the SLN (iSLN) block for alleviating POST immediately after the operation.

Enrollment: 64 estimated patients

Sex: All

Ages: 18 to 75 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• ASA 1 to 3

Exclusion criteria

• patients who did not provide consent
• with a pre-existing sore throat, hoarseness and upper respiratory tract infection
• tracheal pathology, tracheostomy
• a history of psychosis, diabetes and thyroid, oral cavity or pharynx surgery
• known or suspected allergy to ropivacaine
• chronic opioid use
• use of nonsteroidal anti-inflammatory drug medication within 24 hours
• known or suspected difficult airway
• patients who will be supported by tube ventilator after the operation.

Trial design

Primary purpose: Supportive Care

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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64 participants in 2 patient groups

control group

No Intervention group

Description:

patients will undergo a thoracoscopic surgery under general anesthesia with double-lumen bronchial intubation without any special treatment.

experimental group

Active Comparator group

Description:

patients will receive US-guided iSLN block bilaterally with 2 ml of ( 0.5 ml of 2%lidocaine and 1,5 ml of 0.5% bupivacaine) on either side immediate after the operation concomitant with GA in order to undergo thoracoscopic surgery

Treatment:

Drug: Lidocaine 2% Injectable Solution

Procedure: internal superior laryngeal nerve block

Drug: Bupivacaine 0.5% Injectable Solution