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Comparison of the effects of pre-placed laryngeal mask insertion and classic laryngeal mask insertion on postoperative laryngeal complications in patients undergoing urological surgery

Comparison of the effects of pre-placed laryngeal mask insertion and classic laryngeal mask insertion on postoperative laryngeal complications in patients undergoing urological surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500111622
Enrollment
Unknown
Registered
2025-11-03
Start date
2025-11-03
Completion date
Unknown
Last updated
2025-11-11

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

Conditions

Urinary tract diseases

Interventions

Experimental group (pre-placed laryngeal mask group):The procedure is performed by an anesthesiologist who is proficient in laryngeal mask insertion techniques. The laryngeal mask is gently placed in
Control group (classic laryngeal mask group):The procedure is performed by anesthesiologists of the same level. No pre-set procedures are performed.

Sponsors

The Second Affiliated Hospital of Shantou University Medical College
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Patients who are scheduled for elective urological surgery under laryngeal mask general anesthesia. 2.18 to 65 years old, BMI18.5 to 30, gender not limited. 3.ASA classification I-III. 4.Mallampati Classification I-II. 5. The mouth opening should be greater than or equal to 3.5cm. 6. The patient and his/her family gave informed consent to this study.

Exclusion criteria

Exclusion criteria: 1.There was pain in the throat before the operation. 2. Preoperative organic diseases of the pharynx (such as tumors, inflammation, malformations). 3. Have a history of chronic pain and have been taking painkillers for a long time. 4. Preoperative complications of anxiety disorder or other mental disorders, or inability to cooperate with postoperative follow-up for any reason. 5. Explicitly refuse to participate in this study. 6. The estimated or actual operation time exceeds 3 hours. 7. Participate in other clinical trials that may affect the results of this study at the same time. 8. Due to some reasons during the operation, it was changed to general anesthesia with tracheal intubation. 9. Those who other researchers consider unsuitable to participate in this clinical trial.

Design outcomes

Primary

MeasureTime frame
Blood staining rate when removing laryngeal mask;First-time implant success rate;Number of laryngeal mask insertion attempts.;

Secondary

MeasureTime frame
Difficulty of laryngeal mask insertion;The incidence of throat pain in the anesthesia recovery room after surgery;Establish effective ventilation time;

Countries

China

Contacts

Public ContactLin Xin

The Second Affiliated Hospital of Shantou University Medical College

308288386@qq.com+86 135 4285 8919

Outcome results

None listed

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