Allergology international : official journal of the Japanese Society of Allergology
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Review Practice Guideline
2009 ESC/ERS pulmonary hypertension guidelines and connective tissue disease.
Pulmonary hypertension was defined as mean pulmonary artery pressure ≥ 25 mmHg at the 4th World Symposium on Pulmonary Hypertension. In 2009, the European Society of Cardiology and European Respiratory Society jointly created guidelines for practical pulmonary hypertension classifications and treatments based on the discussions at the 4th World Symposium. This classification is characterized by division into five groups: Pulmonary arterial hypertension (PAH); Pulmonary hypertension due to left heart disease; Pulmonary hypertension due to lung disease and/or hypoxia; Chronic thromboembolic pulmonary hypertension; and Pulmonary hypertension with unclear and/or multifactorial mechanisms. ⋯ Few data are available to support the use of immunosuppression in CTD-PAH. However, some case reports suggested that a minority of CTD-PAH patients could benefit from immunosuppressive therapy. The treatment of CTD-PAH patients may differ from the treatment of idiopathic PAH.
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Pulmonary hypertension (PH) was found to be the primary cause of death in mixed connective tissue disease (MCTD). This led to investigation of the prevalence of PH in other connective tissue diseases (CTD). In 1998, the Ministry of Health and Welfare's MCTD Research Committee revealed complication of PH diagnosed by physicians in 5.02% MCTD patients, 0.90% systemic lupus erythematosus patients, 2.64% systemic sclerosis patients, and 0.56% polymyositis/dermatomyositis patients. ⋯ The greatest difference between the treatment strategy for CTD-PH and IPAH is the usage of corticosteroids and other immunosuppressants. The MCTD Research Committee updated its therapeutic guidelines for MCTD-PH in 2011. Validation of these guidelines is also needed.