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Preoperative Ultrasound-Guided Internal Branch Block of Superior Laryngeal Nerve Reduces Postoperative Sore Throat Caused by Double Lumen Endotracheal Intubation: A Randomized Trial

Preoperative Ultrasound-Guided Internal Branch Block of Superior Laryngeal Nerve Reduces Postoperative Sore Throat Caused by Double Lumen Endotracheal Intubation: A Randomized Trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200060929
Enrollment
Unknown
Registered
2022-06-14
Start date
2022-06-01
Completion date
Unknown
Last updated
2023-05-29

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

Conditions

Lung cancer and pulmonary nodules

Interventions

Superior laryngeal nerve block:superior laryngeal nerve block
Control:None

Sponsors

The Second Hospital of Shandong University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. ASA level I to III; 2. Age>=18 years old; 3. Body mass index 18-35; 4. All patients underwent lung lobectomy under general anesthesia with one lung ventilation under thoracoscope; 5. All operations were performed under general anesthesia or combined with superior laryngeal nerve block; 6. All anesthesia and surgical management are conducted by the same team; 7. The patient signs an informed consent form.

Exclusion criteria

Exclusion criteria: 1. Those with contraindications to general anesthesia; 2. Serious heart, liver, or kidney disease; 3. History of mental disorders or excessive use of opioid analgesics; 4. Taking drugs that affect blood pressure and heart rate for a long time; 5. Electrolyte disorder; 6. Patients predicted to have difficult airways; 7. History of surgery/anesthesia within 6 months; 8. Contradictions or complications of superior laryngeal nerve block, including coagulation dysfunction, local infection, and local anesthetic toxicity; 9. Conversion to open chest surgery; 10. Patients with long-term poor blood glucose control/diabetes before surgery; 11. Patients with metabolic disorders associated with increased/decreased cortisol; 12. Patients with severe cognitive impairment or language problems; 13. History of POST,hoarseness, and cough before operation; 14. History of acute upper respiratory tract infection within 1 week before surgery; combined with asthma and COPD; 15. Patients who have not signed an informed consent form.

Design outcomes

Primary

MeasureTime frame
Sore throat 6 hours after surgery;

Secondary

MeasureTime frame
Sore throat 2 hour after surgery;Sore throat 24 hour after surgery;Severity of POST after surgery;hoarseness after surgery;Severity of hoarseness after surgery;

Countries

China

Contacts

Public ContactZhao Xin

Department of Anesthesiology, the Second Hospital, Cheeloo College of Medicine, Shandong University

lujnzx@sohu.com+86 176 6008 5551

Outcome results

None listed

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