Related Experiment Video
Updated: Dec 25, 2025
02:09
Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
Published on: April 12, 2024
932
Lung Volume Reduction Surgery in Patients with Heterogenous Emphysema: Selecting Perspective
Nguyen Truong Giang1, Trung Nguyen Ngoc1, Nguyen Van Nam1
1Department of Cardiothoracic Surgery, Vietnam Military Medical University, Hanoi, Vietnam.
Open Access Macedonian Journal of Medical Sciences
|March 28, 2020
Summary
Identifying the best candidates for lung volume reduction surgery (LVRS) is crucial. Patients with severe heterogeneous emphysema and specific lung function test results (FEV1 ≤ 50%, TLC 100-140%) showed improved outcomes after LVRS.
Area of Science:
- Pulmonary Medicine
- Thoracic Surgery
- Respiratory Physiology
Background:
- Lung volume reduction surgery (LVRS) aims to improve clinical conditions in selected patients with heterogeneous emphysema.
- Optimal patient selection for LVRS remains a critical challenge.
Purpose of the Study:
- To identify preoperative factors that predict successful outcomes following LVRS.
- To refine patient selection criteria for LVRS in severe heterogeneous emphysema.
Main Methods:
- A prospective study involving 31 severe heterogeneous emphysema patients undergoing LVRS.
- Preoperative spirometry and body plethysmographic pulmonary function tests were analyzed.
- Postoperative outcomes, including changes in FEV1 and CAT scores, were compared with preoperative data.
Main Results:
- Patients with FEV1 ≤ 50% demonstrated significantly better improvements in FEV1 (22.46%) and CAT scores (6.85) compared to those with FEV1 > 50%.
- Total lung capacity (TLC) < 140% was associated with greater FEV1 improvement (23.81%).
- No significant differences in outcomes were observed based on residual volume groups.
Conclusions:
- Preoperative spirometry and body plethysmographic tests are valuable for selecting severe heterogeneous emphysema patients for LVRS.
- Recommended patient profile for LVRS includes FEV1 ≤ 50% and TLC in the range of 100-140%.
Related Concept Videos
01:15Respiratory Volumes
2.7K
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
2.7K
01:26Respiratory Volumes and Capacities I
1.5K
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
1.5K