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Related Concept Videos

Flail Chest-II01:26

Flail Chest-II

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Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
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Pneumothorax-II01:27

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Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
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Physical assessment of the respiratory tract is critical in identifying potential health issues. One key component of this assessment is palpation, a technique healthcare providers use to assess the body for abnormalities. This content explores the method of palpation in evaluating the respiratory tract, focusing on thoracic palpation and tactile fremitus.
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Related Experiment Video

Updated: Mar 19, 2026

Combining Volumetric Capnography And Barometric Plethysmography To Measure The Lung Structure-function Relationship
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Measuring changes in chest wall motion after lung resection using structured light plethysmography: a feasibility

Ghazi Elshafie1, Prem Kumar2, Shayan Motamedi-Fakhr3

  • 1Department of Thoracic Surgery, Heart of England NHS Foundation Trust, Birmingham, UK School of Clinical and Experimental Medicine, The Medical School, University of Birmingham, Birmingham, UK.

Interactive Cardiovascular and Thoracic Surgery
|June 19, 2016
PubMed
Summary

Structured light plethysmography (SLP) detected changes in chest wall motion and thoraco-abdominal asynchrony after lung resection surgery. These changes were most noticeable in patients undergoing lobectomy, indicating SLP

Keywords:
Chest wall motionLung volume reductionStructured light plethysmography

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Area of Science:

  • Respiratory Physiology
  • Medical Imaging Technology
  • Thoracic Surgery

Background:

  • Lung resection surgery can alter chest wall mechanics.
  • Monitoring post-operative respiratory function is crucial.
  • Novel non-contact methods for assessing breathing are needed.

Purpose of the Study:

  • To evaluate the feasibility of structured light plethysmography (SLP) in patients undergoing lung resection.
  • To assess changes in chest wall motion and thoraco-abdominal asynchrony after surgery using SLP.

Main Methods:

  • Fifteen patients (wedge resection n=8, lobectomy n=7) underwent SLP assessments before and one day after surgery.
  • SLP captured 5-minute tidal breathing data for each assessment.
  • Analysis focused on changes in chest wall motion and regional asynchrony.

Main Results:

  • Post-surgery, operated-side chest wall motion significantly decreased (-14.7%), while non-operated side motion increased (15.9%).
  • Thoraco-abdominal asynchrony significantly increased (43.4%) after surgery.
  • Lobectomy patients showed significant changes in motion and asynchrony; wedge resection patients did not.

Conclusions:

  • Structured light plethysmography (SLP) effectively detects post-thoracic surgery chest wall motion and asynchrony changes.
  • Observed changes correlate with surgical incision site and are more pronounced after lobectomy.
  • SLP shows promise as a non-contact tool for monitoring respiratory mechanics post-lung resection.