Current Projects - A&P/PUF Programs

NOTE: 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 analytic center.
Abstract - An abstract for the proposal has been developed and submitted to a meeting.
Manuscript - A manuscript for the proposal has been drafted.

List last updated in January 2019.

Adult Cardiac Surgery Database (PUF)
Principal Investigator Proposal Title Project Status
Derek R. Brinster
Lenox Hill Hospital
Transfusion Requirements in Aortic Root Replacement  Abstract
Ankur Kalra
Cleveland Clinic Foundation 
Surgical Aortic Valve Replacement in Bioprosthetic Failure: Insights from the STS National Database Abstract
Michael J. Mack
The Heart Hospital Baylor Plano
Predicted Risk of Transfusion in Isolated AVR Analysis
Stephen E. Fremes
Sunnybrook Health Sciences Centre
The Changing Demographics in Bioprosthetic Valve Type and Size After the Introduction Of  Transcatheter Aortic Valve Replacement in the STS National Database Abstract 
Toshinobu Kazui
The University of Arizona
Bilateral Mammary Artery Use in High HbA1c Patients Abstract
Harlan M. Krumholz
Yale New-Haven Hospital
Using Machine Learning to Update Perioperative Risk Models with Incorporating Intraoperative Data 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  Abstract 
Jacob T. Gutsche
University of Pennsylvania
Does Overnight Extubation Increase the Risk of Mortality in Cardiac Surgery Patients?  Abstract
Thomas Kelley
Dwight D. Eisenhower Army Medical Center
Effect of a Balanced Transfusion Ratio on Survival in Patients in Hemorrhagic Shock After Cardiac Surgery  Abstract
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
Tsuyoshi Kaneko
Brigham and Women's Hospital
Outcomes of Mitral Valve Surgeries in Patients with Mitral Annular Calcification  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
Joanna Chikwe
Stony Brook University Medical Center
Relationship between Duration of Circulatory Arrest, Temperature Nadir 
and Incidence of Post-Operative Neurological Deficits
Abstract 
Matthew Williams
University of Pennsylvania
Measuring The Learning Curve Analysis
Andrei Churyla
Northwestern Memorial Hospital
SAVR +AFIB Ablation and LAA Closure versus TAVR in Patients with Pre-Existing Atrial Fibrillation Approved
M. Scott Halbreiner
Allegheny General Hospital
Use of Skeletonized Versus Pedicled Internal Thoracic Artery: Is There a Correlation with Sternal Wound Infection  Approved
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 
Niv Ad
West Virginia University
The Safety of Off-Pump and On-Pump Surgical Ablation Procedures for Atrial Fibrillation  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 Analysis
Arnar Geirsson
Yale School of Medicine
Pattern and Predictors of Oral Anticoagulant and Antiplatelet Use Following Aortic Valve Replacement and Mitral Valve Surgery 
 
Analysis

 

Adult Cardiac Surgery Database (A&P)
Principal Investigator Proposal Title Project Status
Gorav Ailawadi
University of Virginia
Socioeconomic ‘Distressed Communities Index’ Predicts Risk-Adjusted Operative Mortality After Coronary Artery Bypass Grafting Analysis
Mark Slaughter
University of Louisville
Short and Long Term Outcomes of Surgical Intervention for Tricuspid Valve Endocarditis   Analysis
Wilson Szeto
University of Pennsylvania 
Outcomes with Elective Open Aortic Valve Replacement in Patients with Moderate or Greater Mitral Regurgitation Analysis
Manuel Caceres Polo
UCLA Medical Center
Trends and Outcomes of Post-Operative Renal Insufficiency following Open Heart Surgery in North America  Manuscript
Thomas Bilfinger
Stony Brook University School of Medicine
Acute Type A Aortic Dissection (ATAAD) Repair in the US: an STS National Database Report

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 
Joseph Bavaria
University of Pennsylvania
Outcomes with Elective Aortic Root Replacement in Patients with Pre-Operative Renal Insufficiency
 
Abstract
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

 

General Thoracic Surgery Database (PUF)
Principal Investigator Proposal Title Project Status
Brian Louie
Swedish Medical Center and Cancer Institute
Temporal Trends and Outcomes Measures During Transition to Robotic Pulmonary Lobectomy Manuscript
Brandon H. Tieu
Oregon Health & Science University
Chylothorax After Esophagectomy: A Review of the STS National Database  Abstract
Matthew A. Facktor
Geisinger Medical Center
ProvenCare® Lung Cancer Collaborative Analysis
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  Abstract
Christopher W. Seder
Rush University Medical Center
Preoperative Predictors of Prolonged Air Leak Following Pulmonary Surgery Analysis
Douglas J. Mathisen
Massachusetts General Hospital
Predictors and Impact of Extended Lymphadenectomy on Outcomes Following Esophagectomy for Primary Esophageal Cancer Analysis
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 Approved
Daniel Boffa
Yale University School of Medicine
Impact of Invasive Nodal Staging on Nodal Upstaging in Surgically Managed Lung Cancer  Approved
General Thoracic Surgery Database (A&P)
Principal Investigator Proposal Title Project Status
Nathaniel R .Evans
Thomas Jefferson University Hospital
Predictors of Prolonged Air Leak and Chest Tube Duration After Lobectomy Manuscript
Lisa M. Brown
University of California Davis Medical Center
Prediction Score for Hospital Readmission After Lobectomy Manuscript
Phillip A. Linden
University Hospitals Cleveland Medical Center
Factors Associated with 1-Day Length of Stay in STS General Thoracic Surgery Database After Anatomic Lung Resection Abstract
Yaron Perry
University Hospital Case Medical Center
Failure to Rescue after Esophagectomy: An Analysis of Postoperative Complications and Their Effect on Perioperative Mortality Abstract
Manu S. Sancheti
Emory University School of Medicine
Socioeconomic Disparities Impact Outcomes of Lung Cancer Resection, a Review of the STS National Database Analysis
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 Analysis
Congenital Heart Surgery Database (PUF)
Principal Investigator Proposal Title Project Status
Meena Nathan
Boston Children's Hospital
Outcomes Following Repair of Anomalous Origin of the Left Coronary Artery from the Pulmonary Artery (ALCAPA): A Descriptive Study Manuscript
Jennifer S. Nelson
Nemours Children's Hospital
Practice-Pattern Variation in Pediatric Aortic Valve Replacement  Manuscript
Henry L. Walters
Children's Hospital of Michigan
The Impact of Down Syndrome on the Outcome of Single Ventricle Palliation for a Functionally Univentricular Heart: Analysis of the STS National Database  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
David P. Bichell
Monroe Carell Jr. Children's Hospital at Vanderbilt
Outcomes in Patients with Turners Syndrome  Undergoing Cardiac Surgical Interventions  Abstract 
David F. Vener
Texas Children’s Hospital
Comprehensive Review of the Congenital Cardiac Anesthesia Society – Society of Thoracic Surgeons Anesthesia-Related Information   Abstract 
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 Abstract
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 Database
Principal Investigator Proposal Title Project Status
Edward Grandin Assessing the impact of beta-blockers on late right heart failure and survival after left ventricular assist device implantation (PUF) Analysis

Please click here for additional information about current Intermacs projects in the A&P/PUF tracks.