Abstract
The classification of the idiopathic interstitial pneumonias (IIPs) has recently been updated by the ATS and ERS [1] (Table 6.1). Idiopathic pulmonary fibrosis (IPF) is the most common of the IIPs, and data from existing registries suggest that IPF accounts for 17–37% of all interstitial lung disease (ILD) diagnoses [2, 3]. Although estimates of the true incidence and prevalence of IPF are hampered by different methodologies used in epidemiological studies. IPF is a heterogeneous disease with some patients experiencing slow progressive disease, others a much more rapidly progressive disease and others still experiencing periods of stability punctuated by accelerated decline within acute exacerbations. Median survival is just 2–3 years [4]. It is appreciated that the development of pulmonary hypertension (PH) within IPF is common and its development has a dramatic effect both on morbidity and mortality. The desire to improve prognosis and quality of life in patients with IIP-associated PH (IIP–PH) who unfortunately at present have no clinically proven intervention to do so drives clinical research within this difficult area. The study of PH within IIP has predominantly focused upon IPF or mixed patient groups with IIP (which are predominantly made up of IPF patients). Therefore, this chapter focuses predominantly on PH within the IPF population.
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Bax, S., Wells, A., Price, L., Wort, J. (2017). Pulmonary Hypertension in Idiopathic Interstitial Pneumonias. In: Baughman, R., Carbone, R., Nathan, S. (eds) Pulmonary Hypertension and Interstitial Lung Disease. Springer, Cham. https://doi.org/10.1007/978-3-319-49918-5_6
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