Related Experiment Video
Updated: Jan 24, 2026

Author Spotlight: Learning Systematic Bronchoscopy in a Simulation-Base Setting
Published on: June 23, 2023
Are flexible bronchoscopic cryoextraction practices an alternative to rigid bronchoscopy?
Cengiz Özdemir1, Sinem Nedime Sökücü1, Celalettin İbrahim Kocatürk2
1Clinic of Chest Diseases, Istanbul Yedikule Chest Diseases and Chest Surgery Training and Research Hospital, Istanbul, Turkey.
Flexible bronchoscopic cryoextraction effectively treats airway obstruction from mucus plugs and blood clots. This safe alternative to rigid bronchoscopy achieved successful outcomes in patients with persistent airway blockages.
Area of Science:
- Pulmonology
- Interventional Bronchoscopy
Background:
- Airway obstruction due to mucus plugs and blood clots poses a significant clinical challenge.
- Conventional flexible bronchoscopy may be insufficient for complete removal of tenacious secretions.
Purpose of the Study:
- To evaluate the efficacy and safety of flexible bronchoscopic cryoextraction for airway obstruction.
- To present clinical experience with this minimally invasive technique.
Main Methods:
- Retrospective evaluation of patients undergoing flexible bronchoscopic cryoextraction.
- Interventions performed between January 2013 and November 2017 for persistent airway obstruction.
- Cryoextraction utilized for removal of mucus plugs and blood clots.
Main Results:
- Seven patients (mean age 58.29 years) underwent nine cryoextraction sessions.
- Procedures were performed both bedside in the ICU and in the bronchoscopy unit.
- No severe complications or mortality were observed during cryoextraction.
Conclusions:
- Flexible bronchoscopic cryoextraction is a safe and effective alternative treatment.
- It offers a viable option when other flexible bronchoscopic interventions fail to achieve airway patency.
- This technique provides an alternative to rigid bronchoscopy for complex airway obstruction.
Related Concept Videos
Rigid Body Equilibrium Problems - I
Endoscopic Studies I: Bronchoscopy and Thoracoscopy
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
Rigid Body Equilibrium Problems - II
Consider two children sitting on a seesaw, which has negligible mass. The first child has a mass (m1) of 26 kg and sits at point A, which is 1.6 meters (r1) from the pivot point B; the second child has a mass (m2) of 32 kg and sits at point C. How far from the pivot point B should the second child sit (r2) to balance the seesaw?
Alternative RNA Splicing
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
Kinetic Energy for a Rigid Body
Equation of Motion for a Rigid Body
The combined moments generated about the center of mass of the object are equal to the rate of change of the angular momentum of the body. An external force, when applied at a different...

