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Related Concept Videos

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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Pneumothorax-II01:27

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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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Spontaneity02:21

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A spontaneous process is one that occurs naturally under certain conditions. A nonspontaneous process, on the other hand, will not take place unless it is “driven” by the continual input of energy from an external source. Processes have a natural tendency to occur in one direction under a given set of conditions. Water will naturally flow downhill (spontaneous process), but uphill flow (nonspontaneous process) requires outside intervention such as the use of a pump. Iron exposed to...
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Decreasing Function01:27

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A decreasing function describes a relationship where the output consistently declines as the input increases. This means that for any two input values, if one is greater than the other, the corresponding output is smaller. Mathematically, a function f is decreasing on an interval I if for every x1 < x2​ in I, f (x1) > f (x2). This type of behavior is visually identified on a graph that slopes downward from left to right.The nature of a function can be analyzed by calculating...
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Decreased Body Temperature01:29

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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
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Decreased pulse rate01:14

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Bradycardia is a medical condition in which the heart rate is slower than normal. It occurs when the heart's natural pacemaker, the sinus node, generates slower electrical impulses than the standard rhythm. In adults, bradycardia is diagnosed when the pulse rate falls below 60 beats per minute, indicating a deviation from the normal heart rate range.
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Related Experiment Video

Updated: Feb 10, 2026

Air-Inflation of Murine Lungs with Vascular Perfusion-Fixation
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Fixation of lung apex in spontaneous pneumothorax is safe and efficient in decrease recurrences.

Wendy Yang1, Pei-Yeh Chang1, Ai-Hua Yeh1

  • 1Department of Pediatric Surgery, Chang Gung Children's Hospital, Chang Gung University, College of Medicine, Linkou, Taiwan.

Pediatrics and Neonatology
|May 22, 2018
PubMed
Summary

A modified thoracoscopic bullectomy procedure involving lung apex fixation significantly reduces recurrence rates and complications in spontaneous pneumothorax patients. This safer approach improves outcomes compared to standard methods.

Keywords:
lung apex fixationspontaneous pneumothoraxthoracoscopic bullectomyvideo-assisted thoracoscopic surgery (VATS)

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Area of Science:

  • Thoracic Surgery
  • Pulmonology
  • Minimally Invasive Procedures

Background:

  • Video-assisted thoracoscopic bullectomy with pleurodesis is standard for spontaneous pneumothorax.
  • High recurrence (3-7%) and complication rates (1-3%) necessitate improved surgical techniques.
  • Existing methods often require reoperation or repeat procedures.

Purpose of the Study:

  • To evaluate the efficacy of a modified thoracoscopic bullectomy with lung apex fixation.
  • To compare recurrence and complication rates against standard bullectomy without fixation.
  • To determine if lung apex fixation improves outcomes in spontaneous pneumothorax treatment.

Main Methods:

  • A comparative study of 196 patients with spontaneous pneumothorax from 2011-2015.
  • Patients underwent thoracoscopic bullectomy and pleurodesis, with or without lung apex fixation to the chest wall using non-absorbable sutures.
  • Outcomes including recurrence, reoperation, and readmission rates were analyzed.

Main Results:

  • The lung apex fixation group showed a lower recurrence rate (4.60%) compared to the non-fixation group (8.7%).
  • No 30-day readmissions or reoperations occurred in the fixation group.
  • The non-fixation group experienced 14 recurrences, 3 reoperations, and 2 readmissions within 30 days.

Conclusions:

  • Modified thoracoscopic bullectomy with lung apex fixation is a safe and effective procedure.
  • This technique offers superior outcomes with reduced complication and recurrence rates.
  • Lung apex fixation represents a significant advancement in managing spontaneous pneumothorax.