Unidirectional valved patch closure of ventricular septal defects with severe pulmonary arterial hypertension: Hemodynamic outcomes Sachin Talwar, MCh,

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Unidirectional valved patch closure of ventricular septal defects with severe pulmonary arterial hypertension: Hemodynamic outcomes Sachin Talwar, MCh, Vikas Kumar Keshri, MS, Shiv Kumar Choudhary, MCh, Saurabh Kumar Gupta, DM, Sivasubramanian Ramakrishnan, DM, Anita Saxena, DM, Shyam Sunder Kothari, DM, Rajnish Juneja, DM, Guresh Kumar, PhD, Balram Airan, MCh The Journal of Thoracic and Cardiovascular Surgery Volume 148, Issue 6, Pages 2570-2575 (December 2014) DOI: 10.1016/j.jtcvs.2013.10.052 Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Pulmonary vascular resistance index trend in 13 patients undergoing cardiac catheterization 2 to 56 months after closure of the ventricular septal defect using the unidirectional valved patch. The Journal of Thoracic and Cardiovascular Surgery 2014 148, 2570-2575DOI: (10.1016/j.jtcvs.2013.10.052) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Cardiac catheterization data from 13 patients with ventricular septal defect and high pulmonary vascular resistance index (PVRI) 2 to 56 months after closure of ventricular septal defect with unidirectional valved patch. SpO2, Oxygen saturation; O2, oxygen; PASP, pulmonary arterial systolic pressure; PADP, pulmonary arterial diastolic pressure; mPAP, mean pulmonary artery pressure; Qp/Qs, pulmonary blood flow/systemic blood flow (ratio). The Journal of Thoracic and Cardiovascular Surgery 2014 148, 2570-2575DOI: (10.1016/j.jtcvs.2013.10.052) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions