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Related Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

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Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: 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...
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Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
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Related Experiment Video

Updated: Sep 17, 2025

Author Spotlight: Expanding Interventional Pulmonology Research with Robotic-Assisted Bronchoscopy
04:10

Author Spotlight: Expanding Interventional Pulmonology Research with Robotic-Assisted Bronchoscopy

Published on: July 19, 2024

817

Navigating Atelectasis: Utilizing Transpulmonary Pressure to Enhance Robotic Bronchoscopy: A Single-Center,

Sevak Keshishyan1, Joseph Keenan2, Erhan H Dincer2

  • 1Department of Thoracic Surgery, Englewood Health.

Journal of Bronchology & Interventional Pulmonology
|July 1, 2025
PubMed
Summary

Transpulmonary pressure (Ptp) assessment during robotic navigation bronchoscopy (RNB) is feasible and may help identify lung areas prone to atelectasis. Negative Ptp may correlate with challenging robotic bronchoscopy ultrasound signals.

Keywords:
bronchoscopyesophageal balloon catheterperipheral bronchoscopypositive end-expiratory pressureradial endobronchial ultrasoundtranspulmonary pressure

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Area of Science:

  • Pulmonary Medicine
  • Interventional Pulmonology
  • Respiratory Physiology

Background:

  • Robotic navigation bronchoscopy (RNB) offers precision for peripheral lung lesion access.
  • Atelectasis during RNB can hinder lesion identification.
  • Optimizing positive end-expiratory pressure (PEEP) is challenging due to difficulties in bedside assessment.

Purpose of the Study:

  • To assess the feasibility of transpulmonary pressure (Ptp) measurement during RNB.
  • To explore the relationship between Ptp and robotic endobronchial ultrasound (rEBUS) signal quality.

Main Methods:

  • Prospective study of 21 patients undergoing RNB.
  • Esophageal balloon catheter used to measure esophageal pressure (Pes) as a surrogate for intrathoracic pressure.
  • Ptp calculated using Pes and ventilator data.

Main Results:

  • Mean Ptp was 0.36±1.2 cmH2O.
  • Eight patients had negative Ptp.
  • Negative Ptp was associated with more eccentric or absent rEBUS signals (75% vs. 45%).

Conclusions:

  • Assessing Ptp during RNB is feasible.
  • Negative Ptp may indicate a higher likelihood of encountering suboptimal rEBUS signals.
  • Further research is needed to understand pulmonary physiology during RNB.