Revue des maladies respiratoires
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Review Comparative Study
[Diaphragm and skeletal muscle dysfunction in COPD].
Chronic obstructive pulmonary disease (COPD) is often accompanied by skeletal muscle alterations, resulting in enhanced morbidity and mortality. ⋯ The current review introduces the alterations observed in the quadriceps and diaphragm in the context of COPD and suggests possible signaling pathways involved in the development of muscle dysfunction.
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The optimal course of oral anticoagulant therapy is determined according to the risk of recurrent venous thromboembolism after stopping therapy and the risk of anticoagulant-related bleeding. Clinical risk factors appear to be important in predicting the risk of recurrence whereas the influence of biochemical and morphological tests is uncertain. The risk of recurrent venous thromboembolism is low when the initial episode was provoked by a reversible major risk factor (surgery): 3 months of anticoagulation is sufficient. ⋯ Lastly, if pulmonary embolism occurred in association with cancer, anticoagulation should be conducted for 6 months or more if the cancer is active or treatment is on going. Despite an increasing knowledge of the risk factors for recurrent venous thromboembolism, a number of issues remain unresolved. Randomised trials comparing different durations of anticoagulation are needed.
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Many growth factors involved in tumor angiogenesis are potential targets in thoracic oncology. This work is a review of the literature on the effectiveness of anti-angiogenic treatments in non-small cell lung cancer (NSCLC), small cell lung cancer (SCLC) and malignant pleural mesothelioma (MM). Thirty-four articles and 15 abstracts were identified. ⋯ In conclusion, bevacizumab is the most studied anti-angiogenic agent in thoracic oncology. It is the only approved drug with an indication in first-line and maintenance treatment for stage IV non-squamous NSCLC. The indications for the use of VEGFR-TKI in clinical practice remain to be defined.