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A 34-year-old male patient with recently diagnosed with medullary thyroid carcinoma underwent total thyroidectomy and radical neck dissection, requiring sharp dissection to separate the tumour from the trachea. He required post operative intubation due to bilateral vocal cord paralysis. He developed ischaemic necrosis of the upper two thirds of the trachea presenting with marked surgical emphysema and an infective wound.

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Surgery for chronic pyothorax after failed amplatzer closure of bronchopleural fistula.

J Cardiothorac Surg

January 2025

Department of Thoracic and Vascular Surgery, and Lung Transplantation, Marie-Lannelongue Hospital, Le Plessis-Robinson, France.

Background: Post-pneumonectomy bronchopleural fistula (BPF) is a life-threatening event whose treatment is not standardized.

Case Presentation: We report the management of a 28-year-old patient with a 3-year history of BPF complicating right pneumonectomy for congenital emphysema. Despite closure by an Amplatzer device, the patient had chronic pyothorax and severely deteriorated general health and quality of life.

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Introduction: Acute respiratory failure is a leading cause of admission to the intensive care unit (ICU), with mortality rates remaining stagnant despite advances in resuscitation techniques. Comorbidities, notably chronic obstructive pulmonary disease, significantly impact ICU patient outcomes. Pulmonary emphysema, commonly associated with chronic obstructive pulmonary disease, poses a significant risk, yet its influence on ICU mortality remains understudied.

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Fibrotic and Emphysematous Murine Lung Mechanics Under Negative-Pressure Ventilation.

Am J Physiol Lung Cell Mol Physiol

January 2025

Department of Mechanical Engineering, University of California, Riverside CA, USA.

Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide and the progressive nature heightens the calamity of the disease. Despite countless existing COPD studies, lung mechanics are often reported under positive-pressure ventilation (PPV) and implications and extrapolations made from these studies pose serious restrictions as recent works have divulged disparate elastic and energetic results between PPV and more physiological negative-pressure counterparts (NPV). This non-equivalence of PPV and NPV needs to be investigated under diseased states to augment our understanding of disease mechanics.

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Background: Data regarding the effectiveness and safety of endoscopic lung volume reduction with valves (ELVR) in emphysema patients with a very low 6-min walk test (6MWT) are limited. Patients with severe emphysema and very low exercise capacity, as indicated by a 6MWT ≤140 m, are often excluded from clinical studies on ELVR, assuming limited therapeutic benefits and increased complication risk.

Study Designs And Methods: This study utilised data from the Lungenemphysemregister e.

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