| A pilot study for long-term outcome assessment after aortic aneurysm repair using Vascular Quality Initiative data matched to Medicare claims AW Hoel, AE Faerber, KO Moore, N Ramkumar, BS Brooke, ST Scali, ... Journal of vascular surgery 66 (3), 751-759. e1, 2017 | 56 | 2017 |
| A comparison of reintervention rates after endovascular aneurysm repair between the Vascular Quality Initiative registry, Medicare claims, and chart review JA Columbo, R Kang, AW Hoel, J Kang, KA Leinweber, KS Tauber, R Hila, ... Journal of vascular surgery 69 (1), 74-79. e6, 2019 | 52 | 2019 |
| Adverse events after atherectomy: analyzing long‐term outcomes of endovascular lower extremity revascularization techniques N Ramkumar, P Martinez‐Camblor, JA Columbo, NH Osborne, ... Journal of the American Heart Association 8 (12), e012081, 2019 | 41 | 2019 |
| Role of sex in determining treatment type for patients undergoing endovascular lower extremity revascularization N Ramkumar, BD Suckow, JR Brown, A Sedrakyan, T MacKenzie, ... Journal of the American Heart Association 8 (17), e013088, 2019 | 36 | 2019 |
| Sex-based assessment of patient presentation, lesion characteristics, and treatment modalities in patients undergoing peripheral vascular intervention N Ramkumar, BD Suckow, JR Brown, A Sedrakyan, JL Cronenwett, ... Circulation: Cardiovascular Interventions 11 (1), e005749, 2018 | 35 | 2018 |
| Guidelines for patient-centered opioid prescribing and optimal FDA-compliant disposal of excess pills after inpatient operation: prospective clinical trial ED Porter, SY Bessen, IB Molloy, JL Kelly, N Ramkumar, JD Phillips, ... Journal of the American College of Surgeons 232 (6), 823-835. e2, 2021 | 34 | 2021 |
| Five-year reintervention after endovascular abdominal aortic aneurysm repair in the Vascular Quality Initiative JA Columbo, N Ramkumar, P Martinez-Camblor, R Kang, BD Suckow, ... Journal of vascular surgery 71 (3), 799-805. e1, 2020 | 28 | 2020 |
| Association of sex with repair type and long-term mortality in adults with abdominal aortic aneurysm N Ramkumar, BD Suckow, S Arya, A Sedrakyan, TA Mackenzie, ... JAMA Network Open 3 (2), e1921240-e1921240, 2020 | 26 | 2020 |
| A health insurance claims analysis on the effect of female sex on long-term outcomes after peripheral endovascular interventions for symptomatic peripheral arterial occlusive … F Heidemann, J Kuchenbecker, F Peters, A Kotov, U Marschall, H L'Hoest, ... Journal of vascular surgery 74 (3), 780-787. e7, 2021 | 20 | 2021 |
| Risk factors for detectable metastatic disease at presentation in Ewing sarcoma–An analysis of the SEER registry DB Ramkumar, N Ramkumar, BJ Miller, ER Henderson Cancer epidemiology 57, 134-139, 2018 | 17 | 2018 |
| Pharmacologic hemostatic agents in total joint arthroplasty—a cost-effectiveness analysis DB Ramkumar, N Ramkumar, SJ Tapp, WE Moschetti The Journal of Arthroplasty 33 (7), 2092-2099. e9, 2018 | 14 | 2018 |
| Outcomes after peripheral artery disease intervention among Medicare–Medicaid dual-eligible patients compared with the general medicare population in the Vascular Quality … AM Austin, G Chakraborti, J Columbo, N Ramkumar, K Moore, ... BMJ surgery, interventions, & health technologies 1 (1), 2019 | 12 | 2019 |
| Association of rurality, race and ethnicity, and socioeconomic status with the surgical management of colon cancer and postoperative outcomes among Medicare beneficiaries N Ramkumar, CH Colla, Q Wang, AJ O’Malley, SL Wong, GA Brooks JAMA Network Open 5 (8), e2229247-e2229247, 2022 | 10 | 2022 |
| Using a cohort study of diabetes and peripheral artery disease to compare logistic regression and machine learning via random forest modeling AM Austin, N Ramkumar, B Gladders, JA Barnes, MA Eid, KO Moore, ... BMC Medical Research Methodology 22 (1), 300, 2022 | 8 | 2022 |
| Cardiac biomarkers predict long-term survival after cardiac surgery N Ramkumar, JP Jacobs, RB Berman, DM Parker, TA MacKenzie, ... The Annals of thoracic surgery 108 (6), 1776-1782, 2019 | 8 | 2019 |
| Registry Assessment of Peripheral Interventional Devices objective performance goals for superficial femoral and popliteal artery peripheral vascular interventions DJ Bertges, R White, YC Cheng, T Sun, N Ramkumar, PP Goodney, ... Journal of Vascular Surgery 73 (5), 1702-1714. e11, 2021 | 7 | 2021 |
| Long-term outcomes of a preoperative lung resection smoking cessation program JD Phillips, KA Fay, N Ramkumar, RM Hasson, AV Fannin, TM Millington, ... Journal of Surgical Research 254, 110-117, 2020 | 7 | 2020 |
| Characterization of endovascular abdominal aortic aneurysm repair surveillance in the vascular quality initiative ZJ Wanken, SW Trooboff, B Gladders, JA Columbo, N Ramkumar, ... Circulation 141 (10), 866-868, 2020 | 7 | 2020 |
| Cardiac surgery outcomes: a case for increased screening and treatment of obstructive sleep apnea S Wolf, C Wolf, TC Cattermole, HJ Rando, WF DeNino, A Iribarne, ... The Annals of thoracic surgery 113 (4), 1159-1164, 2022 | 6 | 2022 |
| Galectin-3 as a predictor of long-term survival after isolated coronary artery bypass grafting surgery DM Parker, SL Owens, N Ramkumar, D Likosky, AW DiScipio, ... The Annals of thoracic surgery 109 (1), 132-138, 2020 | 6 | 2020 |
