title: A simple hemodynamic parameter to predict clinical worsening in pulmonary arterial hypertension: The parameter is simple but interpreting the results is difficult.
authors.affiliation: Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Department of Cardiology, Istanbul, Turkey.. Electronic address: tsguvenc@gmail.com.
authors.forename: Tolga Sinan
authors.initials: TS
authors.lastname: Güvenç
authors.affiliation: Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Department of Cardiology, Istanbul, Turkey.
authors.forename: Aycan Esen
authors.initials: AE
authors.lastname: Zencirci
authors.affiliation: Dr. Siyami Ersek Cardiovascular and Thoracic Surgery Research and Training Hospital, Department of Cardiology, Istanbul, Turkey.
authors.forename: Yalçın
authors.initials: Y
authors.lastname: Velibey
mesh_terms: D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary