Clinical trial NCT02372760: For A More Comfortable Bronchoscopy: Is Spray Catheter The Answer?
Official title: For A More Comfortable Bronchoscopy: Is Spray Catheter The Answer?
Study type: INTERVENTIONAL
Overall status: WITHDRAWN
Phase: NA
Conditions: Airway Complication of Anaesthesia
Keywords: Bronchoscopic anesthesia lidocaine
Spray Catheter
brochoalveolar lavage
Lead sponsor: University of Florida
Sponsor class: OTHER
First posted: 2015-02-26
Enrollment: 0
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL

Brief summary: Bronchoscopy is a commonly performed procedure for inpatients to visualize the airways when indicated. It is routinely done for both diagnostic (to lavage and biopsy the respiratory tract) and therapeutic purposes (to relief an obstruction or remove foreign bodies). Given the possible side effects of cough of varying severity this procedure can be uncomfortable to patients, some would even shy away from having a bronchoscopy even when it's medically indicated.

Recently a spray catheter was designed to deliver more uniform anesthesia to the airways as compared to the conventional way of injecting the anesthesia into the bronchoscopy working channel. The investigators aim to conduct this study with the hope of improving patient care, providing comfortable procedures, helping more patients opt in for bronchoscopy when indicated.

Detailed description: Bronchoscopy is a commonly performed procedure for inpatients. It is routinely done for both diagnostic and therapeutic purposes. The physician in this procedure inserts the bronchoscopy tube that has a camera at its tip to visualize the airways and detect possible pathologies. When needed, he/she can take samples (biopsies), perform brochoalveolar lavage, remove foreign bodies, or relieve airway obstructions.

The usual method of Bronchoscopic Anesthesia (BA) is conscious sedation combined with local anesthesia as it's more comfortable for the patients, with less chances of lidocaine toxicity. Local anesthesia is classically done using lidocaine injected through the bronchoscope's working channel. As the operator starts from the upper airway, they anesthetize each part as they go down to examine the lungs. The lidocaine will be delivered to the airway as it drips out of the working channel into the airway part closest to it. Side effects of this method is cough with varying frequencies/severity that may sometimes hinder the procedure.

Recently, a spray catheter was designed and used, but mainly for EBUS (Endobronchial Ultrasound) and not for bronchoscopy.

Eligibility criteria: Inclusion Criteria:

* Adult patients (18 years of age and above)
* Not mechanically ventilated
* Needing a bronchoscopy as determined by a referring or consulting physician/medical service

Exclusion Criteria:

* Individuals below 18 years of age
* Pregnant women
* Terminally-ill patients
* Patients who are unable to consent in person
* Patients with contraindications for bronchoscopy (according to British Thoracic Society 2013 Guidelines this includes patients with acute myocardial infarction and patients in acute respiratory distress)

Primary outcomes:
measure: Number of coughing episodes during the bronchoscopy
timeFrame: Day 1
measure: Severity of cough during the bronchoscopy
timeFrame: Day 1
measure: Endotracheal sedations required to conduct the bronchoscopy
timeFrame: Day 1
Secondary outcomes:
Other outcomes:
Locations:
city: Jacksonville
country: United States
facility: UF Health
state: Florida
Study officials:
affiliation: University at Buffalo
name: Adil Shujaat, MD
role: PRINCIPAL_INVESTIGATOR
References:
citation: Stolz D, Chhajed PN, Leuppi J, Pflimlin E, Tamm M. Nebulized lidocaine for flexible bronchoscopy: a randomized, double-blind, placebo-controlled trial. Chest. 2005 Sep;128(3):1756-60. doi: 10.1378/chest.128.3.1756.
citation: De S. Assessment of patient satisfaction and lidocaine requirement during flexible bronchoscopy without sedation. J Bronchology Interv Pulmonol. 2009 Jul;16(3):176-9. doi: 10.1097/LBR.0b013e3181afca25.
citation: Jakobsen CJ, Ahlburg P, Holdgard HO, Olsen KH, Thomsen A. Comparison of intravenous and topical lidocaine as a suppressant of coughing after bronchoscopy during general anesthesia. Acta Anaesthesiol Scand. 1991 Apr;35(3):238-41. doi: 10.1111/j.1399-6576.1991.tb03280.x.
citation: Antoniades N, Worsnop C. Topical lidocaine through the bronchoscope reduces cough rate during bronchoscopy. Respirology. 2009 Aug;14(6):873-6. doi: 10.1111/j.1440-1843.2009.01587.x.
citation: Lee HJ, Haas AR, Sterman DH, Solly R, Vachani A, Gillespie CT. Pilot randomized study comparing two techniques of airway anaesthesia during curvilinear probe endobronchial ultrasound bronchoscopy (CP-EBUS). Respirology. 2011 Jan;16(1):102-6. doi: 10.1111/j.1440-1843.2010.01861.x.
citation: Kenzaki K, Hirose Y, Tamaki M, Sakiyama S, Kondo K, Mutsuda T, Monden Y. Novel bronchofiberscopic catheter spray device allows effective anesthetic spray and sputum suctioning. Respir Med. 2004 Jul;98(7):606-10. doi: 10.1016/j.rmed.2004.01.002.
citation: Wahidi MM, Jain P, Jantz M, Lee P, Mackensen GB, Barbour SY, Lamb C, Silvestri GA. American College of Chest Physicians consensus statement on the use of topical anesthesia, analgesia, and sedation during flexible bronchoscopy in adult patients. Chest. 2011 Nov;140(5):1342-1350. doi: 10.1378/chest.10-3361.
citation: Du Rand IA, Blaikley J, Booton R, Chaudhuri N, Gupta V, Khalid S, Mandal S, Martin J, Mills J, Navani N, Rahman NM, Wrightson JM, Munavvar M; British Thoracic Society Bronchoscopy Guideline Group. British Thoracic Society guideline for diagnostic flexible bronchoscopy in adults: accredited by NICE. Thorax. 2013 Aug;68 Suppl 1:i1-i44. doi: 10.1136/thoraxjnl-2013-203618. No abstract available.