New research proposals requesting data from the STS National Database are assessed for overlap with active projects from all STS research programs, including PUF, A&P and Task Force on Funded Research (TFR). Please email the Research Center with any questions regarding this list.
Project Status Legend
- Approved - Proposal has been approved for study by the A&P or PUF Task Force and its corresponding specialty review committee.
- Analysis - Proposal is currently undergoing active analysis by the investigators and appropriate analytics center.
- Abstract - An abstract for the proposal has been developed and submitted to a meeting.
- Manuscript - A manuscript for the proposal has been drafted.
Updated August 28, 2020
Adult Cardiac Surgery Database (PUF)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Shinichi Fukuhara University of Michigan |
Non-aortic valve cardiac surgery in patients with transcatheter aortic bioprosthesis | Approved |
| Jacob Raphael University of Virginia |
Delineating thromboembolic complications after RBC transfusion in cardiac surgery patients | Approved |
| Hari Mallidi Brigham and Women’s Hospital |
The effect of the 2018 UNOS donor heart allocation policy change on cardiac transplantation and durable LVAD implantation in women | Approved |
| Marisa Cevasco University of Pennsylvania |
Disparities in mitral valve surgery | Approved |
| Emily MacKay University of Pennsylvania |
Transesophageal echocardiography in open cardiac valve and proximal aortic surgery: Practice patterns and impact on clinical outcomes | Analysis |
| Tom Nguyen University of Texas Health Science Center Houston |
Trends and outcomes in adult cardiac surgery patients during the COVID pandemic | Approved |
|
Arminder Jassar |
Correlation of hypothermic circulatory arrest duration and temperature with acute renal failure after aortic arch surgery | Abstract |
| Thomas Bilfinger Stony Brook University School of Medicine |
Single versus multi-center surgeons' risk-adjusted mitral valve repair procedural outcomes (SURGEON MVR) | Approved |
| Henry Tannous Stony Brook University School of Medicine |
Impact of coronary artery bypass graft clinical science research: The off-pump/on-pump treatment experience | Approved |
| Gabor Bagameri Mayo Clinic |
Comparison of the neurological outcomes after aortic arch repair: Endovascular approach vs. the standard of care (Open Repair) | Analysis |
| Frederick Lombard Vanderbilt University Medical Center |
Intraoperative processed EEG and delirium, neurologic complications and mortality after cardiac surgery | Analysis |
| Neel Sodha Rhode Island Hospital |
Predicting hemorrhage and thrombosis in mechanical circulatory support: A study using machine learning | Analysis |
| Shinichi Fukuhara University of Michigan |
Surgical explantation of transcatheter aortic valve: Results and clinical implications | Manuscript |
| Oz Shapira Hadassah Medical Center |
Changing impact of repeat CABG on operative outcomes in the last two decades: Insights from the Society of Thoracic Surgeons Adult Cardiac Surgery Database | Analysis |
| Anju Nohria Brigham and Women's Hospital |
Comparative outcomes of SAVR vs. TAVR in mediastinal radiation-associated aortic valve disease | Manuscript |
| Bradley Taylor University of Maryland |
Impact of revascularization technique on the risk of stroke and mortality during coronary artery bypass grafting: The analysis of the STS Adult Cardiac Surgery Database | Abstract |
| Victor Nauffal Brigham and Women’s Hospital |
Novel oral anticoagulants versus Warfarin for post-cardiac surgery atrial fibrillation | Manuscript |
| Miklos Kertai Vanderbilt University Medical Center |
Intraoperative and postoperative dexmedetomidine and delirium, severity of postoperative pain and outcomes after cardiac surgery | Manuscript |
| Mario Gaudino New York Presbyterian Hospital |
Trends in the use of multi-arterial coronary bypass grafting in young patients | Manuscript |
| Jonathan Haft University of Michigan |
Pulmonary thromboendarterectomy (PTE) for chronic thromboembolic pulmonary hypertension (CTEPH) | Abstract |
| Ankur Kalra Cleveland Clinic Foundation |
Direct oral anticoagulants and mechanical valves: Trends in utilization and outcomes | Abstract |
| Robert S. D. Higgins Johns Hopkins University School of Medicine |
Disparities in CABG outcomes – STS Database experience | Manuscript |
| Hartzell Schaff Mayo Clinic |
Center volume and surgical outcomes in hypertrophic cardiomyopathy: What impacts outcomes? | Analysis |
| Brent Keeling Emory University School of Medicine |
Trends in emergency coronary artery bypass surgery | Manuscript |
| Tom Nguyen University of Texas Health Science Center Houston, McGovern Medical School |
Nationwide outcomes of less invasive mitral surgery versus conventional sternotomy: Analysis of the Society of Thoracic Surgeons Adult Cardiac Surgery Database | Manuscript |
| Daniel Engelman University of Massachusetts – Baystate |
Skeletonized versus pedicled bilateral internal thoracic arteries harvesting – effects on peri-operative outcomes: Analysis of the STS Adult Cardiac Surgery Database | Manuscript |
| S. Chris Malaisrie Northwestern University |
30-day outcomes for sutureless rapid deployment valves compared to traditional bioprosthetic valves for aortic valve replacement | Manuscript |
| Ravi Ghanta Baylor College of Medicine |
Outcomes of aortic valve surgery for chronic aortic regurgitation | Abstract |
| Thomas Gleason University of Pittsburgh Medical Center |
Trends and outcomes of mitral valve surgery for papillary muscle rupture: An analysis of the Society of Thoracic Surgeons National Database | Manuscript |
| Robert Hagberg Hartford Hospital |
Machine learning methods for mortality and morbidity after cardiac surgery | Manuscript |
| Derek R. Brinster Lenox Hill Hospital |
Transfusion requirements in aortic root replacement | Manuscript |
| Michael J. Mack The Heart Hospital Baylor Plano |
Predicted risk of transfusion in isolated AVR | Analysis |
| Toshinobu Kazui The University of Arizona |
Bilateral mammary artery use in high HbA1c patients | Manuscript |
| Harlan M. Krumholz Yale New-Haven Hospital |
Using machine learning to update perioperative risk models with incorporating intraoperative data | Manuscript |
| James R. Edgerton The Heart Hospital Baylor Plano |
Predicted risk of transfusion in isolated CABG | Manuscript |
| Michael P. Macris Memorial Hermann Health System |
The impact of time interval between coronary angiography and cardiopulmonary bypass on acute kidney injury | Manuscript |
| Thomas Kelley Dwight D. Eisenhower Army Medical Center |
Effect of a balanced transfusion ratio on survival in patients in hemorrhagic shock after cardiac surgery | Manuscript |
| Donald Likosky University of Michigan |
Influence of Medicaid access on implantable durable left ventricular assist device usage and outcomes: A comparator study with heart transplantation | Analysis |
| Dan Loberman Brigham and Women’s Hospital |
Myocardial preservation in minimal invasive mitral valve surgery | Manuscript |
| Giovanni Filardo The Heart Hospital Baylor Plano |
Predicted risk of transfusion in isolated MVR and MV repair | Analysis |
| Joseph F. Sabik III University Hospitals Cleveland Medical Center |
Trends in use of FFR in patients undergoing surgical revascularization: Insights from the STS National Database | Abstract |
| Thomas A. Schwann Baystate Health |
Elucidating surgeon and institutional volume – Outcome effects for multi-arterial and single-arterial coronary artery bypass grafting strategies | Analysis |
| Matthew Williams University of Pennsylvania |
Measuring the learning curve | Manuscript |
| Andrei Churyla Northwestern Memorial Hospital |
SAVR +AFIB ablation and LAA closure versus TAVR in patients with pre-existing atrial fibrillation | Manuscript |
| M. Scott Halbreiner Allegheny General Hospital |
Use of skeletonized versus pedicled internal thoracic artery: Is there a correlation with sternal wound infection | Manuscript |
| David L. Joyce Medical College of Wisconsin |
Minimally invasive versus conventional single vessel LIMA-LAD bypass grafting: A comparison of surgical outcomes from the STS National Database | Abstract |
| Zain I. Khalpey University of Arizona |
Predictive strategies for the prevention of disease outcomes | Analysis |
| Arman Kilic University of Pittsburgh Medical Center |
Evaluating the predictive capabilities of machine learning algorithms in isolated aortic valve replacement | Manuscript |
| Arnar Geirsson Yale School of Medicine |
Pattern and predictors of oral anticoagulant and antiplatelet use following aortic valve replacement and mitral valve surgery |
Manuscript |
Adult Cardiac Surgery Database (A&P)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Gabriele Di Luozzo Mount Sinai St. Luke’s Hospital |
Nationwide trends and outcomes in the usage of adjuncts for spinal cord protection in patients undergoing open surgery for the descending thoracic or thoraco-abdominal aorta: 20-year analysis of the Society of Thoracic Surgeons Adult Cardiac Surgery Database (FUTURE ANALYSIS) | Approved |
| Robert S. D. Higgins Johns Hopkins University School of Medicine |
Utilization and outcomes of intra-operative transesophageal echocardiography during cardiac surgery: A national study from the Society of Thoracic Surgeons Adult Cardiac Surgery Database | Abstract |
| Joseph Sabik University Hospitals Cleveland Medical Center |
Anticoagulation in postoperative atrial fibrillation: Effect of the CHA2DS2-VASc score on practice patterns and outcomes | Abstract |
| Matthew Williams University of Pennsylvania |
Coronary artery bypass grafting with adjunct coronary endarterectomy: An analysis of the Society of Thoracic Surgeons Adult Cardiac Surgery Database | Abstract |
| Gorav Ailawadi University of Virginia |
Association between surgical volume and annular enlargement outcomes | Abstract |
| Danny Chu University of Pittsburgh School of Medicine |
Optimal temperature for aortic hemiarch replacement Procedure with antegrade cerebral perfusion strategy: How warm is too warm? | Analysis |
| Robert Hooker INTEGRIS Baptist Medical Center |
Prosthetic valve endocarditis In aortic valve surgery: The North American experience | Abstract |
| Jennifer Lawton Johns Hopkins Division of Cardiac Surgery |
Gender disparities in surgical coronary revascularization | Abstract |
| Thomas Schwann University of Massachusetts - Baystate |
The effects of peri-operative transfusions on intermediate term mortality in Medicare patients undergoing CABG – A report from the STS Cardiac Surgery Database 2011-2018 | Analysis |
| Nicholas Teman University of Virginia |
Extracorporeal membrane oxygenation vs. right ventricular assist device for LVAD implant related right ventricular failure | Abstract |
| Vinod Thourani Medstar Heart and Vascular Institute |
Outcomes in patients undergoing mitral valve operations for ischemic mitral regurgitation in the United States | Analysis |
| Wilson Szeto University of Pennsylvania |
Outcomes with elective open aortic valve replacement in patients with moderate or greater mitral regurgitation | Manuscript |
| Thomas Bilfinger Stony Brook University School of Medicine |
Acute Type A aortic dissection (ATAAD) Repair in the US: An STS National Database Report (FUTURE ANALYSIS) |
Approved |
| Khaled Abdelhady University of Illinois at Chicago Zachary Kon University of Maryland School of Medicine Jeffrey Milliken University of California Irvine School of Medicine |
Less-invasive aortic valve replacement: Trends and outcomes from the Society of Thoracic Surgeons Adult Cardiac Surgery Database | Manuscript |
| Prashanth Vallabhajosyula University of Pennsylvania |
Traditional total aortic arch replacement versus hybrid arch repair | Manuscript |
| Chad Hughes Duke University Medical Center |
Contemporary results of aortic root operations in the United States | Manuscript |
| Carmelo A. Milano Duke University Medical Center |
Does duration of left ventricular assist device support have an effect on orthotopic heart transplantation outcomes? | Manuscript |
| George Tolis Massachusetts General Hospital |
TEVAR vs open repair of descending thoracic aortic pathology: Long-term outcomes | Manuscript |
| Vinod Thourani Medstar Heart and Vascular Institute |
Relationship of volume and outcomes in those patients undergoing AVR ± CABG in the US | Manuscript |
| Frank Sellke Beth Israel Deaconess Medical Center |
Evaluation of amiodarone use without anticoagulation for new postoperative atrial fibrillation (AF) after coronary artery bypass grafting (CABG) | Manuscript |
| Arnar Geirsson Yale University School of Medicine |
The evolving burden of heart valve replacement for endocarditis due to drug abuse: clinical outcomes and predictors of reoperation (Approved as joint collaborative project with Dr. Juan Crestanello) | Manuscript |
| Juan Crestanello Mayo Clinic |
The impact of recurrent intravenous drug associated endocarditis: how many re-operations we can perform? (Approved as joint collaborative project with Dr. Arnar Geirsson) |
Manuscript |
General Thoracic Surgery Database (PUF)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Jacob Klapper Duke University Medical Center |
Perioperative outcomes of thymectomy for patients with myasthenia gravis | Abstract |
| Elisabeth Dexter Massachusetts General Hospital |
Is increasing operative duration associated with worse analysis outcomes for lung resection? |
Abstract |
| Christopher Seder Rush University Medical Center |
Impact of obesity on conversion to thoracotomy in video-assisted vs robotic-assisted pulmonary resections | Abstract |
| Mark Allen Mayo Clinic |
A study of thoracic surgeon bias in lung cancer surgery | Manuscript |
| Peter Kneuertz The Ohio State University Wexner Medical Center |
Trends and outcomes of pulmonary segmentectomy for non-small cell lung cancer by robotic, video-assisted thoracoscopic, and thoracotomy approach in the STS National Database | Analysis |
| Henning Gaissert Massachusetts General Hospital |
Diagnostic accuracy in the STS-GTSD: Concordance of clinical and pathological staging in primary Non-Small Cell Lung Cancer | Manuscript |
| K. Robert Shen Mayo Clinic |
Patterns of care and outcomes following lung volume reduction surgery in the United States | Manuscript |
| Brandon H. Tieu Oregon Health & Science University |
Chylothorax after esophagectomy: A review of the STS National Database | Manuscript |
| Matthew A. Facktor Geisinger Medical Center |
ProvenCare® lung cancer collaborative | Manuscript |
| Ikenna C. Okereke University of Texas Medical Branch |
Outcomes after surgical lung biopsy: An analysis of the STS National Database | Approved |
| Christopher R. Morse Massachusetts General Hospital |
Role of increasing obesity in perioperative pathologic staging following resection of primary esophageal cancer | Manuscript |
| Douglas J. Mathisen Massachusetts General Hospital |
Predictors and impact of extended lymphadenectomy on outcomes following esophagectomy for primary esophageal cancer | Manuscript |
| Nicholas Arndt Rush University Medical Center |
Redefining the risk of surgery for Stage IIIA (N2) non-small cell lung cancer: An analysis of the STS General Thoracic Surgery Database | Manuscript |
| Daniel Boffa Yale University School of Medicine |
Impact of invasive nodal staging on nodal upstaging in surgically managed lung cancer | Manuscript |
General Thoracic Surgery Database (A&P)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Daniel Miller and Elliot Servais Wellstar Health System/Lahey Hospital and Medical Center |
Quality assessment of reasons for open conversion during minimally invasive (thoracoscopic and robotic) lung resection and the associated morbidity and mortality |
Abstract |
| Phillip Linden University Hospitals Cleveland Medical Center |
Perioperative risk of each individual lobectomy | Abstract |
| David Harpole Duke University |
Open versus minimally invasive repair of pectus excavatum | Manuscript |
| Christopher Towe University Hospitals Cleveland Medical Center |
Classification of factors associated with successful early discharge after anatomic lung resection | Manuscript |
| Nathaniel R .Evans Thomas Jefferson University Hospital |
Predictors of prolonged air leak and chest tube duration after lobectomy | Manuscript |
| Yaron Perry University Hospital Case Medical Center |
Failure to rescue after esophagectomy: An analysis of postoperative complications and their effect on perioperative mortality | Manuscript |
| Manu S. Sancheti Emory University School of Medicine |
Socioeconomic disparities impact outcomes of lung cancer resection, a review of the STS National Database | Manuscript |
| Farhood Farjah University of Maryland School of Medicine |
Evaluating the impact of the volume pledge for lung cancer resections among General Thoracic Surgery Database participants | Manuscript |
Congenital Heart Surgery Database (PUF)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Jennifer Nelson Nemours Children’s Hospital |
Aortic valve replacement in young adults and adults with congenital heart disease:Clarifying the current and potential future roles for TAVR | Manuscript |
| Viviane Nasr Boston Children’s Hospital |
The geographic distribution of pediatric cardiac anesthesiologists relative to cardiac surgeons and pediatric cardiac surgeries in the United States | Analysis |
| Martina Steurer Benioff Children's Hospital, UCSF |
Associations between attained fetal growth and early postoperative outcomes in neonates with congenital heart disease | Manuscript |
| Nicole D. Zantek University of Minnesota |
Risk factors for platelet transfusion and impact of platelet transfusions on outcomes in patients undergoing congenital heart surgery | Analysis |
Congenital Heart Surgery Database (A&P)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Marshall Jacobs Johns Hopkins School of Medicine |
Staged operative strategies in CHSD | Abstract |
| David Bichell Monroe Carrell Jr. Children’s Hospital at Vanderbilt |
Surgical management of congenitally corrected transposition of the great arteries: Practice patterns and outcomes | Analysis |
| Victor Morell Children’s Hospital of Pittsburgh |
Delineating the optimal operative approach for treating patients with transposition of the great arteries with ventricular septal defects and left ventricular outflow tract obstruction | Abstract |
| Justin Long Children’s Healthcare of Atlanta/Emory University |
Higher postoperative hematocrit and increased adverse outcomes in pediatric cardiac surgery patients | Manuscript |
| James Tweddell Cincinnati Children’s Hospital Medical Center |
Outcomes of airway disease patients undergoing congenital cardiac surgery | Manuscript |
| Andrew Lodge Duke University School of Medicine |
Factors associated with adverse outcomes in patients undergoing Fontan revision surgery | Manuscript |
| Narutoshi Hibino The Johns Hopkins Hospital |
The prevalence, impact, and management of diaphragm paralysis following congenital cardiac surgery in children | Manuscript |
| Faith Ross Seattle Children’s Hospital |
Associations between anthropometric indices and outcomes of congenital heart operations in infants and young children: An analysis of data from the STS National Database | Manuscript |
| Jeffrey P. Jacobs Johns Hopkins All Children’s Heart Institute |
Creation and evaluation of a case mix index for pediatric and congenital cardiac surgery | Analysis |
| Ram Kumar Subramanyan Children’s Hospital, Los Angeles |
Surgical outcomes following repair of tetralogy of Fallot with absent pulmonary valve syndrome | Analysis |
| Robert D. B. Jaquiss Duke University Medical Center |
Post-operative cardiac catheterization in children undergoing congenital heart surgery: An analysis of the STS Congenital Heart Surgery Database | Manuscript |
Intermacs/Pedimacs Database (PUF)
| Principal Investigator | Proposal Title | Project Status |
| Amin Yehya Sentara Heart Hospital |
Characterization of outcomes in LVAD recipients with human immunodeficiency virus | Approved |
| Renzo Loyaga-Rendon Spectrum Health | Risk score development for stratification of survival in patients undergoing durable mechanical circulatory support: An STS Intermacs Database analysis | Approved |
| Themistokles Chamogeorgakis University of Michigan |
Right ventricular support in the context of biventricular failure: An Intermacs analysis | Approved |
| Jerry Estep Cleveland Clinic |
Predictors of hospital readmission burden and survival analysis in patients with contemporary continuous flow left ventricular assist device (CF-LVAD) | Approved |
| Lucian Lozonschi Medical University of South Carolina | Ventricular arrhythmia post cf-left ventricular assist device placement – Trends within the STS Intermacs in the contemporary era | Analysis |
| Meredith Brisco-Bacik Temple University |
Prevalence, predictors and prognostic importance of changes in renal function following continuous flow left ventricular assist device support: An Intermacs analysis |
Analysis |
| Sameed Khatana Hospital of the University of Pennsylvania |
Trends in durable ventricular assist device implantation rates with the Affordable Care Act and Medicaid expansion and association of post-implantation outcomes with payor type |
Manuscript |
| Duc Thinh Pham Northwestern University |
Risk assessment model for wait list mortality in left ventricular assist device patients | Analysis |
| Edward Grandin Beth Israel Deaconess Medical Center |
Assessing the impact of beta-blockers on late right heart failure and survival after left ventricular assist device implantation (PUF) | Abstract |
| Karen Uzark University of Michigan |
Quality of life in children on ventricular assist device (VAD) support: Analysis from Pedimacs | Analysis |
Please click here for additional information about current Intermacs projects in the A&P/PUF tracks.
Intermacs/Pedimacs Database (A&P)
| Principal Investigator | Proposal Title | Project Status |
| Joanna Chikwe Cedars-Sinai Medical Center |
Contemporary outcomes of ventricular assist devices in the treatment of geriatric heart failure | Abstract |
| Lynne Stevenson Vanderbilt University Medical Center |
Pre-implant Left Ventricular Assist Device strategies and subsequent short and long-term outcomes – A second look | Approved |
| Francis Pagani University of Michigan |
Generalizability of MOMENTUM 3 clinical trial results to the “real world” Intermacs Experience | Abstract |
| David Morales Cincinnati Children's |
Outcomes after ventricular assist device implantation in patients with Fontan palliation | Analysis |
| James Bergin University of Virginia |
Defining a phenotype for failure in bridge to transplant LVAD therapy | Abstract |
| Kenan Yount University of Virginia |
Effects of preoperative or postoperative dialysis on LVAD outcomes, patient survival, progression to transplantation and quality of life | Abstract |
| Sung Min-Cho Johns Hopkins |
Real-world data of stroke in HeartMate 3, HeartMate II, and HeartWare and impact of center characteristics on stroke outcomes: An Intermacs analysis (Approved as joint collaborative proposal with John Kern) | Abstract |
| John Kern University of Virginia |
Major adverse neurological event rate by centrifugal vs axial flow device in the modern era (Approved as joint collaborative project with Sung Min-Cho) | Abstract |
| Shahnawaz Amdani Cleveland Clinic | Model for end-stage liver disease excluding INR (MELD-XI) score predicts outcomes in pediatric patients supported with ventricular assist device: An analysis of the Pedimacs registry | Abstract |
| Francisco Arabia Banner Health/University of Arizona |
Heart transplant outcomes post total artificial heart BTT | Analysis |
| Jennifer Cowger Henry Ford Hospital |
Ventricular assist device patient phenotypes: What attributes describe long-term survival? | Manuscript |
| Robert Niebler Medical College of Wisconsin |
Incidence and outcomes of, and risk factors for, neurological adverse events in children support with ventricular assist devices | Manuscript |
| Josef Stehlik University of Utah School of Medicine |
Mortality by body mass index in adult heart transplant recipients – Direct to transplant vs. mechanical circulatory support bridge strategy | Analysis |
| Bryan Whitson The Ohio State University |
Assessing the impact of surgical implant approach on perioperative right ventricular failure associated with left ventricular assist devices | Manuscript |
Please click here for additional information about current Intermacs projects in the A&P/PUF tracks.