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Related Concept Videos

Gross Anatomy of the Lungs01:17

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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...
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The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
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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.
Clinical Manifestations:
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Pulmonary Tuberculosis II01:28

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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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Anatomy of Respiratory System II: Lower Respiratory Tract01:31

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The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
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Pneumothorax-I01:26

Pneumothorax-I

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A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
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Related Experiment Video

Updated: Jun 3, 2025

Left Lung Orthotopic Transplantation in a Juvenile Porcine Model for ESLP
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Pulmonary sequestration 2: left lower lobe.

Marie-Eve Truchon1, Denise Ouellette2, Alicia Truchon1

  • 1Medical Student, University of Montreal School Medicine, Montreal, Quebec, Canada.

Multimedia Manual of Cardiothoracic Surgery : MMCTS
|January 9, 2025
PubMed
Summary
This summary is machine-generated.

This video demonstrates a surgical technique for intralobar pulmonary sequestration, a rare congenital lung anomaly. The method minimizes bleeding risk by dividing the aberrant artery within the inferior pulmonary ligament en masse, followed by left lower lobectomy.

Keywords:
Preoperative embolizationPulmonary sequestrationThoracoscopic surgery

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Area of Science:

  • Thoracic Surgery
  • Congenital Pulmonary Anomalies
  • Vascular Surgery

Background:

  • Pulmonary sequestration is a rare congenital anomaly involving aberrant lung tissue and systemic arterial supply.
  • Intralobar sequestration is the most common form, often presenting with recurrent hemoptysis and infection.
  • Standard treatment necessitates surgical resection with maximal preservation of healthy lung tissue.

Discussion:

  • This tutorial details a surgical approach for left lower lobe intralobar pulmonary sequestration.
  • The technique involves mobilizing the lung and dividing the inferior pulmonary ligament containing the aberrant artery en masse to reduce intraoperative hemorrhage risk.
  • This contrasts with attempts to skeletonize the aberrant artery, which can be friable and increase injury risk.

Key Insights:

  • Mobilizing the lung and dividing the inferior pulmonary ligament containing the aberrant artery en masse is a key step.
  • This approach aims to decrease the risk of intraoperative arterial injury and bleeding.
  • Subsequent lung resection, such as left lower lobectomy, is performed conventionally.

Outlook:

  • Transarterial embolization is an alternative or preoperative strategy to mitigate bleeding risks.
  • Care must be taken with preoperative embolization to prevent interference with vascular staplers.
  • Selection of fine embolic material is crucial if embolization is employed.