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Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

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 to...
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:

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Related Experiment Videos

Changes in pulmonary function tests after neoadjuvant therapy predict postoperative complications.

Robert J Cerfolio1, Amar Talati, Ayesha S Bryant

  • 1Division of Cardiothoracic Surgery, Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA.

The Annals of Thoracic Surgery
|August 25, 2009
PubMed
Summary
This summary is machine-generated.

A drop in lung diffusion capacity after neoadjuvant therapy predicts higher risk for pulmonary resection. A decrease of 8% or more significantly increases the likelihood of major postoperative complications.

Related Experiment Videos

Area of Science:

  • Pulmonology
  • Thoracic Surgery
  • Oncology

Background:

  • Neoadjuvant chemotherapy and chemoradiotherapy increase risks associated with pulmonary resection.
  • Predictive value of pulmonary function tests (PFTs) changes requires further investigation.

Purpose of the Study:

  • To evaluate if changes in PFTs after neoadjuvant therapy can predict major or respiratory morbidity after pulmonary resection in non-small cell lung cancer (NSCLC) patients.

Main Methods:

  • Retrospective review of a prospective database of 132 NSCLC patients.
  • Analysis of PFTs (pre- and post-therapy) and their correlation with postoperative complications.
  • Multivariate analysis to identify predictors of major or respiratory morbidity.

Main Results:

  • A mean decrease of 6.6% in diffusion capacity of the lung for carbon monoxide corrected for alveolar volume (DLCO/VA) was observed post-therapy.
  • The change in DLCO/VA was the sole factor predicting major or respiratory morbidity (p=0.028).
  • A decrease in DLCO/VA by 8% or more post-therapy increased the likelihood of major morbidity (p=0.01).

Conclusions:

  • Decreased DLCO/VA after neoadjuvant treatment predicts increased risk for pulmonary resection.
  • A decrease of 8% or more in DLCO/VA warrants careful consideration in preoperative risk assessment.
  • These findings aid in optimizing patient selection and management for pulmonary resection post-induction therapy.