- the predictive role of these characteristics on the current and later quality of life, as well as the impact of diverse cognitive mediators and strategies to cope with the disease, should be investigated.The respiratory diseases department of the Montpellier hospital is regional competence center for PAH in Languedoc-Roussillon, under the aegis of the national reference center (the respiratory diseases department of Antoine Béclère hospital, Le Petit-Clamart).