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Clinical Study on the Use of Pressurized Gas Injection Through the Bronchial Nasopharyngeal Endoscopy Biopsy Port to Expose the Posterior Cervical Fossa and the Pyriform Fossa

Clinical Study on the Use of Pressurized Gas Injection Through the Bronchial Nasopharyngeal Endoscopy Biopsy Port to Expose the Posterior Cervical Fossa and the Pyriform Fossa

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600125630
Enrollment
Unknown
Registered
2026-05-28
Start date
2024-02-20
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Pharyngeal and Laryngeal Diseases

Interventions

The insufflation group:During flexible fiberoptic nasopharyngolaryngoscopy, air is insufflated through the biopsy channel.
The conventional group:The conventional measure

Sponsors

Bazhong Central Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who presented to the Department of Otorhinolaryngology Head and Neck Surgery at a tertiary referral hospital between February and April 2024 and required diagnostic FFNPL

Exclusion criteria

Exclusion criteria: 1. Age < 10 years old; 2. Allergic to lidocaine; 3. Contraindication for local use of ephedrine/fenicillin nasal drops.

Design outcomes

Primary

MeasureTime frame
Degree of exposure of the postcricoid region;Degree of exposure of the pyriform sinus;—

Secondary

MeasureTime frame
Patient discomfort VAS;—

Countries

China

Contacts

Public ContactWang Hai

Bazhong Central Hospital

20716762@qq.com+86 827 520 1676

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 11, 2026