Michal Schafer, MD, PhD, MSc

Publications

• Jone PN, Schäfer M, Pan Z, Ivy DD. Right Ventricular-Arterial Coupling Ratio Derived From 3-Dimensional Echocardiography Predicts Outcomes in Pediatric Pulmonary Hypertension. Circ Cardiovasc Imaging. 2019 Dec;12(1):e008176. PubMed PMID: 30632388
• Bjornstad P, Schäfer M, Truong U, Cree-Green M, Pyle L, Baumgartner A, Garcia Reyes Y, Maniatis A, Nayak S, Wadwa RP, Browne LP, Reusch JEB, Nadeau KJ. Metformin Improves Insulin Sensitivity and Vascular Health in Youth With Type 1 Diabetes Mellitus. Circulation. 2018 Dec 18;138(25):2895-2907. PubMed PMID: 30566007
• Ellis WC, Schafer M, Barrett CS, Butler K, Sprowell A, Twite M, Buckvold S, Jone PN, Ing RJ. Vascular anatomical considerations and clinical decision making during insertion of the Avalon(®) Elite Dual Lumen single-site veno-venous ECMO cannula in children weighing less than 20 kg. Perfusion. 2018 Dec 11;:267659118815104. [Epub ahead of print] PubMed PMID: 30537888
• Schäfer M, Frank BS, Ivy DD, Wilson N, Morgan GJ, Barker AJ, Browne LP, Mitchell MB, Truong U. Close look at the Potts shunt flow hemodynamics in a patient with severe pulmonary hypertension: 4D-flow MRI evaluation. J Magn Reson Imaging. 2018 Nov 19. [Epub ahead of print] PubMed PMID: 30451346
• Schäfer M, Browne LP, Morgan GJ, Barker AJ, Fonseca B, Ivy DD, Mitchell MB. Reduced proximal aortic compliance and elevated wall shear stress after early repair of tetralogy of Fallot. J Thorac Cardiovasc Surg. 2018 Dec;156(6):2239-2249. PubMed PMID: 30449579
• Schäfer M, Younoszai A, Truong U, Browne LP, Mitchell MB, Jaggers J, Campbell DN, Hunter KS, Ivy DD, Di Maria MV. Influence of aortic stiffness on ventricular function in patients with Fontan circulation. J Thorac Cardiovasc Surg. 2019 Feb;157(2):699-707. PubMed PMID: 30396734
• Schäfer M, Wilson N, Ivy DD, Ing R, Abman S, Browne LP, Morgan G, Ross M, McLennan D, Barker AJ, Fonseca B, Di Maria M, Hunter KS, Truong U. Noninvasive wave intensity analysis predicts functional worsening in children with pulmonary arterial hypertension. Am J Physiol Heart Circ Physiol. 2018 Oct 1;315(4):H968-H977. PubMed PMID: 30004811
• Jone PN, Zablah JE, Burkett DA, Schäfer M, Wilson N, Morgan GJ, Ross M. Three-Dimensional Echocardiographic Guidance of Right Heart Catheterization Decreases Radiation Exposure in Atrial Septal Defect Closures. J Am Soc Echocardiogr. 2018 Sep;31(9):1044-1049. PubMed PMID: 29958759
• Shalhub S, Schäfer M, Hatsukami TS, Sweet MP, Reynolds JJ, Bolster FA, Shin SH, Reece TB, Singh N, Starnes BW, Jazaeri O. Association of variant arch anatomy with type B aortic dissection and hemodynamic mechanisms. J Vasc Surg. 2018 Dec;68(6):1640-1648. PubMed PMID: 29804742
• Friesen RM, Schäfer M, Ivy DD, Abman SH, Stenmark K, Browne LP, Barker AJ, Hunter KS, Truong U. Proximal pulmonary vascular stiffness as a prognostic factor in children with pulmonary arterial hypertension. Eur Heart J Cardiovasc Imaging. 2018 May 16. [Epub ahead of print] PubMed PMID: 29788051
• Schäfer M, Truong U, Ivy DD, Fonseca B, Malone L, DiMaria M, Barker AJ, Vargas D, Hunter KS, Jone PN, Browne LP. Children with kawasaki disease present elevated stiffness of great arteries: Phase-contrast MRI study. J Magn Reson Imaging. 2018 Nov;48(5):1228-1236. PubMed PMID: 29707843
• Schäfer M, Browne LP, Truong U, Jaggers JJ, Mitchell MB, Malone L, Morgan G, Chatfield K, McLennan D, Turbendian H, Vargas D, Fonseca B, DiMaria M, Shah A, Ivy MP, Barker AJ, Hunter KS, Wilson N, Ivy DD, Campbell DN. Aortic stiffness in adolescent Turner and Marfan syndrome patients. Eur J Cardiothorac Surg. 2018 Nov 1;54(5):926-932. PubMed PMID: 29684119
• Schäfer M, Morgan GJ, Mitchell MB, Ross M, Barker AJ, Hunter KS, Fonseca B, DiMaria M, Vargas D, Ivy DD, Wilson N, Browne LP. Impact of different coarctation therapies on aortic stiffness: phase-contrast MRI study. Int J Cardiovasc Imaging. 2018 Sep;34(9):1459-1469. PubMed PMID: 29667078
• Schäfer M, Humphries S, Stenmark KR, Kheyfets VO, Buckner JK, Hunter KS, Fenster BE. 4D-flow cardiac magnetic resonance-derived vorticity is sensitive marker of left ventricular diastolic dysfunction in patients with mild-to-moderate chronic obstructive pulmonary disease. Eur Heart J Cardiovasc Imaging. 2018 Apr 1;19(4):415-424. PubMed PMID: 28460004
• Jone PN, Schäfer M, Pan Z, Bremen C, Ivy DD. 3D echocardiographic evaluation of right ventricular function and strain: a prognostic study in paediatric pulmonary hypertension. Eur Heart J Cardiovasc Imaging. 2018 Sep 1;19(9):1026-1033. PubMed PMID: 28950335
• Friesen RM, Schäfer M, Burkett DA, Cassidy CJ, Ivy DD, Jone PN. Right Ventricular Tissue Doppler Myocardial Performance Index in Children with Pulmonary Hypertension: Relation to Invasive Hemodynamics. Pediatr Cardiol. 2018 Jan;39(1):98-104. PubMed PMID: 28980052
• Schäfer M, Kheyfets VO, Barker AJ, Stenmark K, Hunter KS, McClatchey PM, Buckner JK, Reece TB, Jazaeri O, Fenster BE. Reduced shear stress and associated aortic deformation in the thoracic aorta of patients with chronic obstructive pulmonary disease. J Vasc Surg. 2018 Jul;68(1):246-253. PubMed PMID: 28986100
• Schäfer M, Truong U, Browne LP, Morgan GJ, Ross M, Ing R, Hunter KS, Kheyfets VO, Abman SH, Ivy DD, Wilson N. Measuring Flow Hemodynamic Indices and Oxygen Consumption in Children with Pulmonary Hypertension: A Comparison of Catheterization and Phase-Contrast MRI. Pediatr Cardiol. 2018 Feb;39(2):268-274. PubMed PMID: 29043395
• Bjornstad P, Cree-Green M, Baumgartner A, Coe G, Reyes YG, Schäfer M, Pyle L, Regensteiner JG, Reusch JE, Nadeau KJ. Achieving ADA/ISPAD clinical guideline goals is associated with higher insulin sensitivity and cardiopulmonary fitness in adolescents with type 1 diabetes: Results from RESistance to InSulin in Type 1 ANd Type 2 diabetes (RESISTANT) and Effects of MEtformin on CardiovasculaR Function in AdoLescents with Type 1 Diabetes (EMERALD) Studies. Pediatr Diabetes. 2018 May;19(3):436-442. PubMed PMID: 29082640
• Friesen RM, Schäfer M, Jone PN, Appiawiah N, Vargas D, Fonseca B, DiMaria MV, Truong U, Malone L, Browne LP. Myocardial Perfusion Reserve Index in Children With Kawasaki Disease. J Magn Reson Imaging. 2018 Jul;48(1):132-139. PubMed PMID: 29232024
• Schäfer M, Collins KK, Browne LP, Ivy DD, Abman S, Friesen R, Frank B, Fonseca B, DiMaria M, Hunter KS, Truong U, von Alvensleben JC. Effect of electrical dyssynchrony on left and right ventricular mechanics in children with pulmonary arterial hypertension. J Heart Lung Transplant. 2018 Jul;37(7):870-878. PubMed PMID: 29496397