Related Experiment Video
Updated: May 13, 2026
06:55
Left Lung Orthotopic Transplantation in a Juvenile Porcine Model for ESLP
Published on: February 14, 2022
Postoperative lung volume change depending on the resected lobe.
Aysen Taslak Sengul1, Bunyamin Sahin, Cetin Celenk
1Department of Thoracic Surgery, Ondokuz Mayis University, Samsun, Turkey. aysentaslak@yahoo.com
The Thoracic and Cardiovascular Surgeon
|March 12, 2013
Summary
Lower lobectomy results in less lung volume loss and better postoperative compensation than upper lobectomy. This is due to contralateral lung expansion and minimal ipsilateral lung volume reduction after lower lobe resection.
Area of Science:
- Thoracic surgery
- Pulmonary function analysis
- Quantitative stereology
Background:
- Lung volume changes after resection impact pulmonary function.
- Accurate assessment of volume loss is crucial for predicting outcomes.
Purpose of the Study:
- To quantitatively evaluate lung volume changes after resecting different lobes.
- To correlate these volume changes with pulmonary function test (PFT) results.
Main Methods:
- Stereological methods using computed tomography (CT) scans to estimate volume.
- Pulmonary function tests (PFTs) including forced vital capacity (FVC).
- Comparison of preoperative and 3-month postoperative data in 30 lung resection patients.
Main Results:
- Lower lobectomy showed significantly less volume loss (5.57%) compared to upper lobectomy (19.01%).
- Lower lobectomy led to greater contralateral lung expansion and less ipsilateral lung volume loss.
- Forced vital capacity (FVC) decrease was less after lower lobectomy (3.07%) than upper lobectomy (11.94%).
Conclusions:
- Lower lobectomy, despite larger parenchyma resection, causes less total lung volume reduction.
- Postoperative lung volume compensation primarily involves contralateral lung expansion after lower lobectomy.
Related Concept Videos
01:15Respiratory Volumes
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...
01:47Lung Capacity
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
01:27Pneumothorax-II
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.
Clinical Manifestations:
Clinical Manifestations:
01:17Gross Anatomy of the Lungs
The lungs are a pair of vital organs connected to the trachea via the left and right bronchi. The base of these organs meets the dome-shaped muscle known as the diaphragm. Encased by the pleurae, the lungs contact the mediastinum. The right lung is shorter yet wider, and has a larger volume than the left lung. The left lung has an indentation known as the cardiac notch. The superior region of the lungs is referred to as the apex, whereas the base is the lower region near the diaphragm. The...