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 June 16, 2021
Adult Cardiac Surgery Database (PUF)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Siavash Saadat Baystate Medical Center |
Utilization of multi-arterial coronary artery bypass grafting | Analysis |
| Nimesh Desai University of Pennsylvania |
Analysis of patterns of malperfusion in patients presenting with acute type A aortic dissection | Approved |
| Mark Slaughter University of Louisville |
Is mechanical unloading better than coronary artery bypass in ischemic cardiomyopathy patients with low ejection fraction? | Abstract |
| Joanna Chikwe Cedars-Sinai Medical Center |
Efficacy of mitral valve surgery after attempted transcatheter mitral repair | Manuscript |
| Daniel Rinewalt Brigham and Women’s Hospital |
Association of temporary mechanical circulatory support device use with ortality and adverse post-operative outcomes among patients with acute decompensated heart failure-related cardiogenic shock undergoing HT or durable VAD placement |
Analysis |
| Arman Arghami Mayo Clinic |
Comparing administrative (NIS/HCUP) database with clinical registry (STS) on postcardiac surgical outcomes | Approved |
| Andreas de Biasi University of Wisconsin Hospitals |
Impact of illicit drug use in acute Type A aortic dissection | Abstract |
| Natalia Ivascu New York Presbyterian Hospital–Weill Cornell Medicine |
Single red cell unit transfusion in cardiac surgical patients | Analysis |
| Shinichi Fukuhara University of Michigan |
Non-aortic valve cardiac surgery in patients with transcatheter aortic bioprosthesis | Analysis |
| Aamir Shah Cedars-Sinai Medical Center |
Contemporary outcomes of open surgical repair for the descending thoracic and thoracoabdominal aorta: An analysis of the STS National Database |
Abstract |
| Michael Mazzeffi University of Maryland |
RBC transfusion and postoperative infection risk in patients having coronary artery bypass grafting | Analysis |
| 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 | Abstract |
| Marisa Cevasco University of Pennsylvania |
Disparities in mitral valve surgery | Analysis |
| Emily MacKay University of Pennsylvania |
Transesophageal echocardiography in open cardiac valve and proximal aortic surgery: Practice patterns and impact on clinical outcomes | Manuscript |
| Tom Nguyen University of Texas Health Science Center Houston |
Trends and outcomes in adult cardiac surgery patients during the COVID pandemic | Manuscript |
|
Arminder Jassar |
Correlation of hypothermic circulatory arrest duration and temperature with acute renal failure after aortic arch surgery | Manuscript |
| Thomas Bilfinger Stony Brook University School of Medicine |
Single versus multi-center surgeons' risk-adjusted mitral valve repair procedural outcomes (SURGEON MVR) | Analysis |
| Henry Tannous Stony Brook University School of Medicine |
Impact of coronary artery bypass graft clinical science research: The off-pump/on-pump treatment experience | Analysis |
| 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 | Manuscript |
| Neel Sodha Rhode Island Hospital |
Predicting hemorrhage and thrombosis in mechanical circulatory support: A study using machine learning | Analysis |
| 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 | 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 | Manuscript |
| Miklos Kertai Vanderbilt University Medical Center |
Intraoperative and postoperative dexmedetomidine and delirium, severity of postoperative pain and outcomes after cardiac surgery | Manuscript |
| Jonathan Haft University of Michigan |
Pulmonary thromboendarterectomy (PTE) for chronic thromboembolic pulmonary hypertension (CTEPH) | 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 |
| Ravi Ghanta Baylor College of Medicine |
Outcomes of aortic valve surgery for chronic aortic regurgitation | 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 |
| 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 |
| 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 | Manuscript |
| 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 |
| 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 | Manuscript |
| Zain I. Khalpey University of Arizona |
Predictive strategies for the prevention of disease outcomes | Analysis |
| 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 |
|---|---|---|
| Tsuyoshi Kaneko Brigham and Women's Hospital |
Benchmarking outcomes of surgical aortic valve replacement in patients with bicuspid aortic valves: An analysis of the Society of Thoracic Surgeons Database | Analysis |
| Peter Smith Duke University Medical Center |
Validating a consumer-directed hospital rating system with the STS Adult Cardiac Surgery Database | Analysis |
| George Arnaoutakis University of Florida |
The effect of the COVID-19 epidemic upon patterns of presentation and outcomes of acute aortic dissection | Analysis |
| 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 |
| Joseph Sabik University Hospitals Cleveland Medical Center |
Anticoagulation in new onset postoperative atrial fibrillation: An analysis from the STS Adult Cardiac Surgery Database | Manuscript |
| 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 | Manuscript |
| Gorav Ailawadi University of Virginia |
Association between surgical volume and annular enlargement outcomes | Manuscript |
| 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? | Manuscript |
| Robert Hooker INTEGRIS Baptist Medical Center |
Prosthetic valve endocarditis In aortic valve surgery: The North American experience | Manuscript |
| Jennifer Lawton Johns Hopkins Division of Cardiac Surgery |
Gender disparities in surgical coronary revascularization | Manuscript |
| 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 | Manuscript |
| Vinod Thourani Medstar Heart and Vascular Institute |
Outcomes in patients undergoing mitral valve operations for ischemic mitral regurgitation in the United States | Analysis |
| 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 |
| Prashanth Vallabhajosyula University of Pennsylvania |
Traditional total aortic arch replacement versus hybrid arch repair | 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 |
General Thoracic Surgery Database (PUF)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Maria Madariaga University of Chicago |
Association of preoperative risk analysis index and postoperative outcomes in general thoracic surgery patients | Analysis |
| Mark Ferguson University of Chicago |
Predictive value of modified frailty index in postoperative outcomes following major oncologic lung resection and the abrogation effect of VATS approach on modified frailty index | Analysis |
| Stephanie Worrell University Hospitals |
Peri-operative outcomes for esophagectomy performed for benign versus malignant esophageal disease | Abstract |
| Henning Gaissert Massachusetts General Hospital |
Center level variation and association of nodal sampling and clinical nodal assessment | Analysis |
| Jacob Klapper Duke University Medical Center |
Perioperative outcomes of thymectomy for patients with myasthenia gravis | Manuscript |
| Elisabeth Dexter Massachusetts General Hospital |
Is increasing operative duration associated with worse analysis outcomes for lung resection? |
Manuscript |
| Christopher Seder Rush University Medical Center |
Impact of obesity on conversion to thoracotomy in video-assisted vs robotic-assisted pulmonary resections | Manuscript |
| 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 | 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 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 |
General Thoracic Surgery Database (A&P)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Stephanie Worrell University Hospitals |
The impact of diabetes on pathologic response to multi-modality therapy for esophageal cancer | Analysis |
| Andrea Wolf Mt. Sinai Hospital |
Robotic esophagectomy trends and early surgical outcomes: The US experience | Analysis |
| Cherie Erkmen Temple University Health System |
Clinical-pathologic stage discordance in early esophageal cancer | Analysis |
| 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 |
Manuscript |
| Phillip Linden University Hospitals Cleveland Medical Center |
Perioperative risk of each individual lobectomy | Manuscript |
| Nathaniel R. Evans Thomas Jefferson University Hospital |
Predictors of prolonged air leak and chest tube duration after lobectomy | Manuscript |
Congenital Heart Surgery Database (PUF)
| Principal Investigator | Proposal Title | Project Status |
|---|---|---|
| Joanne Starr CHOC Children's Hospital |
Relationship between temperature and perfusion strategies and neurological outcomes in neonatal congenital heart surgery | Analysis |
| Richard Kim Cedars-Sinai Medical Center |
Short-term outcomes of the Ross procedure and its volume-outcome relationship in children using the STS Congenital Heart Surgery Database | Analysis |
| David Morales Cincinnati Children's Hospital Medical Center |
A prediction tool for outcomes in children with congenital heart disease who undergo post-cardiotomy extracorporeal membrane oxygenation: A report from the Society of Thoracic Surgeons National Database | Approved |
| Shriprasad Deshpande Children’s National Medical Center |
Transitioning from temporary support to VAD support in pediatric patients: Perioperative morbidity and outcomes | Analysis |
| Carlos Mery Dell Children’s Medical Center |
Neighborhood sociodemographic factors impact on incidence and outcomes in congenital heart surgery | Approved |
| Jennifer Nelson Nemours Children’s Hospital |
Development of a current ACHD mortality risk score and comparison to current STS-PROM and STAT mortality assessments | Manuscript |
| Henry Walters Children’s Hospital of Michigan |
Outcomes in patients with sickle cell disease and sickle cell trait undergoing surgery for congenital heart disease |
Analysis |
| 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 |
| 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 | Manuscript |
| Pirooz Eghtesady St. Louis Children's Hospital |
Controversies of the Kawashima procedure, national trends and outcomes | Approved |
| Danielle Gottlieb-Sen Johns Hopkins University |
The STS Congenital Heart Surgery Database Update on the patterns of management of Tetralogy of Fallot | Approved |
| Tara Karamlou Cleveland Clinic |
Contemporary applications of pulmonary artery banding: An analysis of the STS Congenital Heart Surgery Database | Analysis |
| David Bichell Monroe Carrell Jr. Children’s Hospital at Vanderbilt |
Surgical management of congenitally corrected transposition of the great arteries: Practice patterns and outcomes | Manuscript |
| 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 | Manuscript |
| Jeffrey P. Jacobs University of Florida |
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 |
| Eric Adler University of California-San Diego |
Machine learning for prognostication in advanced heart failure | Approved |
| Shahnawaz Amdani Cleveland Clinic Children’s Hospital |
Impact of center volume on outcomes after Ventricular Assist Device implantation in pediatric patients: An analysis of the PediMACS Database | Approved |
| Francis Pagani University of Michigan |
Impact of center transplant availability on receipt of transplant after durable LVAD | Analysis |
| Michael Pienta University of Michigan |
Variation in major adverse events after durable LVAD implantation | Analysis |
| Randall Starling Cleveland Clinic |
Post-implant phosphodiesterase Type 5 inhibitors use | Analysis |
| Amin Yehya Sentara Heart Hospital |
Characterization of outcomes in LVAD recipients with human immunodeficiency virus | Analysis |
| Renzo Loyaga-Rendon Spectrum Health | Risk score development for stratification of survival in patients undergoing durable mechanical circulatory support: An STS Intermacs Database analysis | Analysis |
| Themistokles Chamogeorgakis University of Michigan |
Right ventricular support in the context of biventricular failure: An Intermacs analysis | Abstract |
| Jerry Estep Cleveland Clinic |
Predictors of hospital readmission burden and survival analysis in patients with contemporary continuous flow left ventricular assist device (CF-LVAD) | Abstract |
| 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) | Manuscript |
| Karen Uzark University of Michigan |
Quality of life in children on ventricular assist device (VAD) support: Analysis from Pedimacs | Abstract |
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 |
| Arman Kilic Medical University of South Carolina |
Impact of adverse events on health-related quality of life after left ventricular assist device implantation | Analysis |
| James Kirklin University of Alabama-Birmingham |
Mortality risk prediction for patients who receive a HeartMate3 left ventricular assistance device | Analysis |
| Jennifer Cowger Henry Ford Health System |
Defining short- and long-term optimal outcomes for patients on continuous flow left ventricular assist device support: An STS Intermacs analysis | Analysis |
| Joanna Chikwe Cedars-Sinai Medical Center |
Contemporary outcomes of ventricular assist devices in the treatment of geriatric heart failure | Manuscript |
| Lynne Stevenson Vanderbilt University Medical Center |
Pre-implant Left Ventricular Assist Device strategies and subsequent short and long-term outcomes – A second look | Abstract |
| Francis Pagani University of Michigan |
Generalizability of MOMENTUM 3 clinical trial results to the “real world” Intermacs Experience | Manuscript |
| David Morales Cincinnati Children's |
Outcomes after ventricular assist device implantation in patients with Fontan palliation | Abstract |
| James Bergin University of Virginia |
Defining a phenotype for failure in bridge to transplant LVAD therapy | Manuscript |
| Kenan Yount University of Virginia |
Effects of preoperative or postoperative dialysis on LVAD outcomes, patient survival, progression to transplantation and quality of life | Manuscript |
| 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) | Manuscript |
| 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 |
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 | Manuscript |
| Francisco Arabia Banner Health/University of Arizona |
Heart transplant outcomes post total artificial heart BTT | Abstract |
| 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 | Abstract |
| 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.