Washing Pipe with a Spray Nozzle for Topical Anesthesia During Bronchoscopy

Washing Pipe with a Spray Nozzle for Topical Airway Anesthesia Using the Spray-as-You-Go Technique During Flexible Bronchoscopy: a Randomized Control Trial

The goal of this randomized control trial is to evaluate the effectiveness and safety of using a spray nozzle, compared to the conventional method, for topical anesthesia by the spray-as-you-go technique in reducing cough frequency, improving cough, discomfort, tolerance, satisfaction, reducing the dosage of lidocaine consumption of patients during flexible bronchoscopy.

Inclusion Criteria:

1. Age 18 years or older
2. A planned flexible bronchoscopy
3. Being able to communicate with Mandarin Chinese or Taiwanese Hokkien

Exclusion Criteria:

1. are unwilling to join the study
2. have tracheostomy or are intubated
3. will receive intravenous anesthesia during flexible bronchoscopy
4. known to be pregnant