Annals of medicine
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Review
Systemic inflammatory biomarkers and co-morbidities of chronic obstructive pulmonary disease.
Chronic obstructive pulmonary disease (COPD) can no longer be considered as a disease affecting only the lungs. Increasing evidence supports the presence of a systemic inflammatory component which is thought to provide the link between COPD and the co-morbidities commonly associated with this disease. These include cardiovascular disorders, skeletal muscle dysfunction, diabetes, and osteoporosis. ⋯ This review describes systemic biomarkers in COPD and their relationship with both the local lung and systemic manifestations of the disease. A summary is provided of the most promising biomarkers that have been investigated in COPD and its co-morbidities. Such biomarkers may be used to assess and manage the systemic effects of COPD, and may guide future development of novel therapeutic interventions to provide a more holistic approach to treating this multi-faceted disease.
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The correlation between total testosterone levels, exercise capacity, and metabolic and echocardiographic parameters was studied in 1097 male subjects with coronary artery disease (CAD) and different stages of glucose tolerance. ⋯ A negative correlation between low testosterone and dysmetabolic features was observed. Independent of metabolic status, low plasma testosterone seems to be an indicator of impaired maximal exercise capacity and cardiac hypertrophy among CAD patients with type II diabetes.