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Related Concept Videos

Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
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
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...
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration can...
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
Physical Assessment of the Respiratory Tract II: Palpation01:24

Physical Assessment of the Respiratory Tract II: Palpation

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.
Thoracic Palpation
Thoracic palpation detects tenderness, masses, lesions, respiratory excursions, and vocal fremitus. The nurse assesses...

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Updated: Jul 6, 2026

Evaluating Regional Pulmonary Deposition using Patient-Specific 3D Printed Lung Models
07:56

Evaluating Regional Pulmonary Deposition using Patient-Specific 3D Printed Lung Models

Published on: November 11, 2020

Assessing regional lung function.

Coenraad F N Koegelenberg1, Chris T Bolliger

  • 1Division of Pulmonology, Department of Medicine, Faculty of Health Sciences, University of Stellenbosch, Francie van Zijl Drive, Health Sciences Complex, Tygerberg 7505, Cape Town, South Africa. coeniefn@sun.ac.za

Thoracic Surgery Clinics
|April 12, 2008
PubMed
Summary
This summary is machine-generated.

Predicting lung function after surgery is crucial for patients undergoing pulmonary resection. Anatomical calculations are simple but may overestimate loss; advanced imaging like SPECT, CT, or MRI offers precise predictions for complex cases.

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Published on: November 11, 2020

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Area of Science:

  • Pulmonary Medicine
  • Radiology
  • Surgical Oncology

Background:

  • Preoperative assessment of regional lung function is vital for candidates of pulmonary resection with compromised lung function.
  • Accurate prediction of postoperative lung function minimizes risks and optimizes patient outcomes.

Purpose of the Study:

  • To review and compare methods for assessing regional lung function to predict postoperative outcomes in patients undergoing lung resection.
  • To guide clinicians in selecting the most appropriate functional assessment technique based on individual patient needs and resource availability.

Main Methods:

  • Review of four validated methods: anatomic calculation, SPECT, quantitative CT, and dynamic perfusion MRI.
  • Discussion of the principles, advantages, and limitations of each technique in predicting postoperative lung function.

Main Results:

  • Anatomical calculations are simple and widely applicable but may overestimate functional loss.
  • SPECT, quantitative CT, and dynamic perfusion MRI provide more precise predictions of postoperative forced expiratory volume in 1 second (FEV1).

Conclusions:

  • The choice of method depends on factors like cost, availability, local expertise, and the need to predict maximal oxygen consumption (VO2 max).
  • All discussed advanced imaging techniques effectively predict postoperative FEV1, aiding surgical decision-making for lung resection candidates.