Electrocardiographic detection of pulmonary hypertension in patients with systemic sclerosis using the ventricular gradient
2016
Abstract Background Pulmonary hypertension (PH) is a leading cause of death in systemic sclerosis (SSc) patients. The current study assessed the ability of the ECG-derived ventricular gradient (VG-RVPO) to detect PH and predict all-cause mortality in PH patients with subtypes of SSc differing in the extent of multi-organ involvement. Methods ECGs were obtained from 196 patients with limited and 77 patients with diffuse SSc included from our screening programme on cardiac complications. The association of the VG-RVPO with (1) the presence of PH, (2) conventional screening parameters and (3) survival in PH patients was assessed. Results In limited SSc patients an elevated VG-RVPO corresponded with the presence of PH (− 5 ± 12 mV.ms vs − 22 ± 16 mV.ms, P Conclusion An elevated VG-RVPO is associated with PH in limited SSc patients and with decreased survival in all SSc patients with PH.
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