Clinical Publications

Kaplan EF*, Strobel RJ*, Young AM, Wisniewski AM, Ahmad RM, Mehaffey JH, Hawkins RB, Yarboro LT, Quader M, Teman NR. Cardiac Surgery Outcomes During the COVID-19 Pandemic Worsened Across All Socioeconomic Statuses. Ann Thorac Surg. 2023 Jan 22:S0003-4975(23)00020-6. doi: 10.1016/j.athoracsur.2022.12.042. Epub ahead of print. [Received national award for perioperative research and was presented by Dr. Strobel during the plenary session at the 2023 Annual Meeting of the Society of Thoracic Surgeons.]

Strobel RJ, Mehaffey JH, Hawkins RB, Young AM, Scott EJ, Quader M, Dehmer GJ, Rich JB, Ailawadi G, Kron IL, Ragosta M, Yarboro LT, Teman NR. Socioeconomic Distress Associated With Increased Use of Percutaneous Coronary Intervention Over Coronary Artery Bypass Grafting. Ann Thorac Surg. 2022 Jul 19:S0003-4975(22)00969-9. doi: 10.1016/j.athoracsur.2022.06.040. Epub ahead of print.

Strobel RJ, Kaplan EF, Young AM, Rotar EP, Mehaffey JH, Hawkins RB, Joseph M, Quader MA, Yarboro LT, Teman NR; Investigators for the Virginia Cardiac Services Quality Initiative. Socioeconomic distress is associated with failure to rescue in cardiac surgery. J Thorac Cardiovasc Surg. 2022 Jul 20:S0022-5223(22)00798-X.  Epub ahead of print.

Haywood N, Mehaffey JH, Kilbourne S, Mannem H, Weder M, Lau C, Krupnick AS, Agarwal A. Influence of broader geographic allograft sharing on outcomes and cost in smaller lung transplant centers. J Thorac Cardiovasc Sur.  163(1):339-345, 2022.

Charles EJ, Mehaffey JH, Hawkins RB, Burks SG, McMurry TL, Yarboro LT, Kern JA, Ailawadi G, Kron IL, Stukenborg GJ, Kozower BD. Meaningful Patient-centered Outcomes 1 Year Following Cardiac Surgery. Ann Surg 273(6):e247-e254, 2021.

Haywood N, Mehaffey JH, Hawkins RB, Zhang A, Kron IL, Kern JA, Ailawadi G, Teman NR, Yarboro LT. Gastrointestinal Complications After Cardiac Surgery: Highly Morbid but Improving Over Time. J Surg Res. 254:306-313, 2020.

Charles EJ, Mehaffey JH, Hawkins RB, Green CJ, Craddock A, Tyerman ZM, Larson ND, Kron IL, Ailawadi G, Kozower BD. Effect of Cardiac Surgery on One-Year Patient-Reported Outcomes: A Prospective Cohort Study. Ann Thorac Surg. 112(5):1410-1416, 2021.

Haywood N, Mehaffey JH, Chancellor WZ, Beller JP, Speir A, Quader M, Yarboro LT, Teman NR, Ailawadi G. Burden of Tricuspid Regurgitation in Patients Undergoing Coronary Artery Bypass Grafting. Ann Thorac Surg 111(1):44-50, 2020.

Mehaffey JH, Hawkins RB, Charles EJ, Sahli ZT, Schirmer BD, Hallowell PT. Socioeconomically Distressed Communities Associated With Long-term Mortality After Bariatric Surgery. J Surg Res. 2019 Nov;243:8-13.

Beller JP, Phadke D, Krebs ED, Chancellor WZ, Mehaffey JH, Hawkins RB, Sawyer RG, Ailawadi G, Yarboro LT. Percutaneous Endoscopic Gastrostomy After Cardiac Surgery: A Temporary Measure in a High-Risk Cohort. Ann Thorac Surg. 2019 Oct;108(4):1140-1145.

Schubert SA, Hawkins RB, Mehaffey JH, Fonner CE, Rich JB, Speir AM, Quader M, Kron IL, Yarboro LT, Ailawadi G. Preoperative β-blocker use correlates with worse outcomes in patients undergoing aortic valve replacement. J Thorac Cardiovasc Surg. 2019 Dec;158(6):1589-1597.

Beller JP, Hawkins RB, Mehaffey JH, Chancellor WZ, Teaster R, Walters DM, Krupnick AS, Davis RD, Lau CL. Poor Performance Flagging Is Associated With Fewer Transplantations at Centers Flagged Multiple Times. Ann Thorac Surg. 2019 Jun;107(6):1678-1682.

Mehaffey JH, Hawkins RB, Charles EJ, Kron IL, Ailawadi G, Kern JA, Roeser ME, Kozower B, Teman NR. Impact of Complications After Cardiac Operation on One-Year Patient-Reported Outcomes. Ann Thorac Surg. 2020 Jan;109(1):43-48.

Charles EJ, Mehaffey JH, Hawkins RB, Fonner CE, Yarboro LT, Quader MA, Kiser AC, Rich JB, Speir AM, Kron IL, Tracci MC, Ailawadi G; Investigators for the Virginia Cardiac Services Quality Initiative. Socioeconomic Distressed Communities Index Predicts Risk-Adjusted Mortality After Cardiac Surgery. Ann Thorac Surg. 2019 Jun;107(6):1706-1712.

Narahari AK, Charles EJ, Mehaffey JH, Hawkins RB, Sharma AK, Laubach VE, Tribble CG, Kron IL. Can Lung Transplant Surgeons Still Be Scientists? High Productivity Despite Competitive Funding. Heart Surg Forum. 2019 Jan 8;22(1):E001-E007.

Chancellor WZ, Charles EJ, Mehaffey JH, Hawkins RB, Foster CA, Sharma AK, Laubach VE, Kron IL, Tribble CG. Expanding the donor lung pool: how many donations after circulatory death organs are we missing? J Surg Res. 2018 Mar;223:58-63.

Mehaffey JH, Shannon A, Hawkins RB, Fashandi A, Tracci MC, Kron IL, Upchurch GR Jr., Robinson WP. National Utilization and Outcomes of Redo Lower Extremity Bypass versus Endovascular Intervention after a Previous Failed Bypass. Ann Vasc Surg. 2018 Feb;47:18-23.

Hawkins RB, Mehaffey JH, Narahari AK, Jain A, Ghanta RK, Kron IL, Kern JA, Upchurch GR Jr. Improved outcomes and value in staged hybrid extent II thoracoabdominal aortic aneurysm repair. J Vasc Surg. 2017 Nov;66(5):1357-1363.

Charles EJ, Johnston LE, Herbert MA, Mehaffey JH, Yount KW, Likosky DS, Theurer PF, Fonner CE, Rich JB, Speir AM, Ailawadi G, Prager RL, Kron IL; Investigators for the Virginia Cardiac Services Quality Initiative and the Michigan Society of Thoracic and Cardiovascular Surgeons Quality Collaborative. Impact of Medicaid Expansion on Cardiac Surgery Volume and Outcomes. Ann Thorac Surg. 2017 Oct;104(4):1251-1258.

Mehaffey JH, Johnston LE, Hawkins RB, Charles EJ, Yarboro L, Kern JA, Ailawadi G, Kron IL, Ghanta RK. Methylene Blue for Vasoplegic Syndrome After Cardiac Operation: Early Administration Improves Survival. Ann Thorac Surg. 2017 Jul;104(1):36-41.

Mehaffey JH, Politano AD, Bhamidipati CM, Tracci MC, Cherry KJ, Kern JA, Kron IL, Upchurch GR Jr. Decubitus ulcers in patients undergoing vascular operations do not influence mortality but affect resource utilization. Surgery. 161(6):1720-1727, 2017.

Mehaffey JH, Schubert SA, Gelvin MG, Charles EJ, Hawkins RB, Johnston LE, Ailawadi G, Kron IL, Yarboro LT. A New Intraoperative Protocol for Reducing Perioperative Transfusions in Cardiac Surgery. Ann Thorac Surg. 2017 Jul;104(1):176-181.

Yount KW, Yarboro LT, Narahari AK, Ghanta RK, Tribble CG, Kron IL, Kern JA, Ailawadi G. Outcomes of Trainees Performing Coronary Artery Bypass Grafting: Does Resident Experience Matter? Ann Thorac Surg. 103(3):975-981, 2017.

Mehaffey JH, Hawkins RB, Mullen MG, Meneveau MO, Schirmer B, Kron IL, Jones RS, Hallowell PT. Access to Quaternary Care Surgery: Implications for Accountable Care Organizations. J Am Coll Surg. 224(4):525-529, 2017.

Johnston LE, Kirby JL, Downs EA, LaPar DJ, Ghanta RK, Ailawadi G, Kozower BD, Kron IL, McCall AL, Isbell JM; Virginia Interdisciplinary Cardiothoracic Outcomes Research (VICTOR) Center.. Postoperative Hypoglycemia Is Associated With Worse Outcomes After Cardiac Operations. Ann Thorac Surg. 103(2):526-532, 2017.

Kron IL, Ailawadi G. Low Risk TAVR: The Long View. Ann Thorac Surg. 102(2):357, 2016.

LaPar DJ, Acker MA, Gelijns AC, Kron IL. Repair or replace for severe ischemic mitral regurgitation: prospective randomized multicenter data. Ann Cardiothorac Surg. 4(5):411-6, 2015.

Yount KW, Isbell JM, Lichtendahl C, Dietch Z, Ailawadi G, Kron IL, Kern JA, Lau CL. Bundled Payments in Cardiac Surgery: Is Risk Adjustment Sufficient to Make It Feasible? Ann Thorac Surg. 100(5):1646-52, 2015.

LaPar DJ, Quader M, Rich JB, Kron IL, Crosby IK, Kern JA, Tribble CG, Speir AM, Ailawadi G. Institutional Variation in Mortality After Stroke After Cardiac Surgery: An Opportunity for Improvement. Ann Thorac Surg. 100(4):1276-82, 2015.

Stone ML, LaPar DJ, Benrashid E, Scalzo DC, Ailawadi G, Kron IL, Bergin JD, Blank RS, Kern JA. Ventricular assist devices and increased blood product utilization for cardiac transplantation. J Card Surg. 30(2):194-200, 2015.

LaPar DJ, Isbell JM, Crosby IK, Kern J, Lim DS, Fonner E Jr, Speir AM, Rich JB, Kron IL, Ailawadi G. Multicenter evaluation of high-risk mitral valve operations: implications for novel transcatheter valve therapies. Ann Thorac Surg. 98(6):2032-7, 2014.

LaPar DJ, Isbell JM, Kern JA, Ailawadi G, Kron IL. Surgical Care Improvement Project measure for postoperative glucose control should not be used as a measure of quality after cardiac surgery. J Thorac Cardiovasc Surg. 147(3):1041-8, 2014.

Wagner CE, Kron IL. Subvalvular techniques to optimize surgical repair of ischemic mitral regurgitation. Curr Opin Cardiol 29(2):140-4, 2014.

Hennessy SA, Gillen JR, Hranjec T, Kozower BD, Jones DR, Kron IL, Lau CL. Influence of hemodialysis on clinical outcomes after lung transplantation. J Surg Res. 183(2):916-21, 2013.

Stone ML, LaPar DJ, Mulloy DP, Rasmussen SK, Kane BJ, McGahren ED, Rodgers BM. Primary payer status is significantly associated with postoperative mortality, morbidity, and hospital resource utilization in pediatric surgical patients within the United States. J Pediatr Surg. 48(1):81-7, 2013.

Lapar DJ, Gillen JR, Crosby IK, Sawyer RG, Lau CL, Kron IL, Ailawadi G. Predictors of operative mortality in cardiac surgical patients with prolonged intensive care unit duration. J Am Coll Surg. 216(6):1116-23, 2013.

Mulloy DP, Bhamidipati CM, Stone ML, Ailawadi G, Kron IL, Kern JA. Orthotopic heart transplant versus left ventricular assist device: a national comparison of cost and survival. J Thorac Cardiovasc Surg. 145(2):566-73, 2013

LaPar DJ, Mulloy DP, Stone ML, Crosby IK, Lau CL, Kron IL, Ailawadi G. Concomitant tricuspid valve operations affect outcomes after mitral operations: a multiinstitutional, statewide analysis. Ann Thorac Surg. 94(1):52-7, 2012.

LaPar DJ, Stukenborg GJ, Guyer RA, Stone ML, Bhamidipati CM, Lau CL, Kron IL, Ailawadi G. Primary payer status is associated with mortality and resource utilization for coronary artery bypass grafting. Circulation. 11;126(11 Suppl 1):S132-9, 2012.

Mehta GS, LaPar DJ, Bhamidipati CM, Kern JA, Kron IL, Upchurch GR Jr, Ailawadi G. Previous percutaneous coronary intervention increases morbidity after coronary artery bypass grafting. Surgery. 152(1):5-11, 2012.

LaPar DJ, Mery CM, Peeler BB, Kron IL, Gangemi JJ. Short and long-term outcomes for bidirectional glenn procedure performed with and without cardiopulmonary bypass. Ann Thorac Surg. 94(1):164-70, 2012.

Stone ML, Kilic A, Kron IL, Gangemi JJ. Modified aortoplasty for discrete congenital supravalvular aortic stenosis. J Thorac Cardiovasc Surg. 143(6):1450-1, 2012.

Hennessy SA, Hranjec T, Emaminia A, Lapar DJ, Kozower BD, Kron IL, Jones DR, Lau CL. Geographic distance between donor and recipient does not influence outcomes after lung transplantation. Ann Thorac Surg. 92(5):1847-53, 2011.

Bhamidipati CM, LaPar DJ, Mehta GS, Kern JA, Upchurch GR Jr, Kron IL, Ailawadi G. Albumin is a better predictor of outcomes than body mass index following coronary artery bypass grafting. Surgery. 150(4):626-34, 2011.

LaPar DJ, Yang Z, Stukenborg GJ, Peeler BB, Kern JA, Kron IL, and Ailawadi G. Outcomes of reoperative aortic valve replacement after revious sternotomy. J Thorac Cardiovasc Surg. 139:263-72, 2010.

Ailawadi G, LaPar DJ, Swenson BR, Siefert SA, Lau C, KernJA, Peeler BB, Littlewood KE and Kron IL. Model for end-stage liver disease predicts mortality for rricuspid valve surgery. Ann Thorac Surg. 87:1460-8, 2009.

LaPar DJ, Kron IL and Yang Z. Stem cell therapy for ischemic heart disease: where are we? Curr Opin Organ Transpl. 14:79-84, 2009.

Ailawadi G, Lau CL, Smith PW, Swenson BR, Hennessy SA, Kuhn CJ, Fedoruk LM, Kozower BD, Kron IL, Jones DR. Does reperfusion injury still cause significant mortality after lung transplantation? J Thorac Cardiovasc Surg. 137(3):688-94, 2009.

Ellman PI, Smith RL, Girotti ME, Thompson PW, Peeler BB, Kern JA, Kron IL. Cardiac injury during resternotomy does not affect perioperative mortality. J Am Coll Surg. 206(5):993-7, 2008.

Ailawadi G, Kron IL. New strategies for surgical management of ischemic cardiomyopathy. Expert Rev Cardiovasc Ther. 6(4):521-30, 2008.

Gazoni LM, Fedoruk LM, Kern JA, Dent JM, Reece TB, Tribble CG, Smith PW, Lisle TC, and Kron IL. A simplified approach to degenerative disease: Triangular resections of the mitral valve. Ann Thorac Surg. 83:1658-1665, 2007.

Reece TB, Tribble CG, Smith RL, Singh RR, Stiles BM, Peeler BB, Kern JA, and Kron IL. Central cannulation is safe in acute aortic dissection repair. J Thorac Cardiovasc Surg. 133:428-434, 2007.

Fedoruk LM, Kern JA, Peeler BA, and Kron IL. Anomalous origin of the right coronary artery: Right internal thoracic artery to right coronary artery bypass is not the answer. J Thorac Cardiovasc Surg. 133:456-460, 2007.

Singh RR, Warren PS, Reece TB, Ellman P, Peeler BB, and Kron IL. Early repair of complete atrioventricular septal defect is safe and effective. Ann Thorac Surg. 82:1598-1601, 2006.

Maxey TS, Bradner MW, Reece TB, Keeling WB, and Kron IL. Coarctation of a right aortic arch. J Card Surg. 21:261-263, 2006.

Kern JA, Matsumoto AH, Tribble CG, Gazoni LM, Peeler BB, Harthun NL, Chong T, Cherry KJ, Dake MD, Angle JS, and Kron IL. Thoracic aortic endografting is the treatment of choice for elderly patients with thoracic aortic disease. Ann Surg. 243:815-820, 2006.