Kelsey Gray, MD
Assistant Professor, Cardiac SurgeryCards
About
Research
Publications
2025
Diaphragm dysfunction from phrenic nerve injuries during LVAD or heart transplant: Positive role of diaphragm pacing
Boutros C, Elmo M, Carl N, Abu-Omar Y, Arora R, Elgudin Y, Gray K, Pelletier M, Onders R. Diaphragm dysfunction from phrenic nerve injuries during LVAD or heart transplant: Positive role of diaphragm pacing. JHLT Open 2025, 9: 100281. PMID: 40520816, PMCID: PMC12166398, DOI: 10.1016/j.jhlto.2025.100281.Peer-Reviewed Original ResearchNon-invasive ventilationLeft ventricular assist deviceDiaphragm pacingHeart transplantationMechanical ventilationNerve injurySingle-center cohort studyPhrenic nerve dysfunctionPhrenic nerve injuryLeft ventricular assist device recipientsPhrenic injuryDiaphragm dysfunctionDifficulty weaningNerve dysfunctionNerve injuresCase seriesDiaphragm functionMV weaningDP useAdverse eventsCohort studyVentricular assist deviceHTxExploratory case seriesTransplantation(432) Enhanced Recovery After Surgery (ERAS): Early Phrenic Nerve/Diaphragm Dysfunction Analysis and Treatment in Lung Transplant Patients
Onders R, Elmo M, Carl N, Elgudin Y, Abu-Omar Y, Gray K, Pelletier M, Arora R, Kilaru S, Schilz R. (432) Enhanced Recovery After Surgery (ERAS): Early Phrenic Nerve/Diaphragm Dysfunction Analysis and Treatment in Lung Transplant Patients. The Journal Of Heart And Lung Transplantation 2025, 44: s217. DOI: 10.1016/j.healun.2025.02.439.Peer-Reviewed Original Research
2024
Randomized study of temporary diaphragm pacing for enhanced recovery after surgery in cardiac surgery patients at risk of prolonged mechanical ventilation
Hungate J, Onders R, Diasty M, Abu-Omar Y, Arora R, Baeza C, Elgudin Y, Gray K, Markowitz A, Pelletier M, Ribeiro I, Vega P, Rushing G, Sabik J. Randomized study of temporary diaphragm pacing for enhanced recovery after surgery in cardiac surgery patients at risk of prolonged mechanical ventilation. JTCVS Open 2024, 22: 76-84. PMID: 39780786, PMCID: PMC11704535, DOI: 10.1016/j.xjon.2024.09.031.Peer-Reviewed Original ResearchProlonged mechanical ventilationStandard of care groupRisk of prolonged mechanical ventilationMechanical ventilationCardiac surgeryDiaphragmatic pacingDiaphragm pacingTreatment groupsRandomized trialsHistory of chronic obstructive pulmonary diseaseLeft ventricular ejection fractionIntra-aortic balloon pumpDecrease mechanical ventilationCardiac surgery patientsVentricular ejection fractionHigh-risk patientsMulticenter randomized trialCare groupEnhanced recoveryChronic obstructive pulmonary diseaseRelative risk reductionIntensive care unitStandard of carePredictive enrichment strategiesObstructive pulmonary disease(514) Diaphragm Dysfunction from Phrenic Nerve Injuries During LVAD or Heart Transplants: Positive Role of Diaphragm Pacing
Onders R, Elmo M, Carl N, Abu-Omar Y, Elgudin Y, Aorora R, Gray K, Pelletier M. (514) Diaphragm Dysfunction from Phrenic Nerve Injuries During LVAD or Heart Transplants: Positive Role of Diaphragm Pacing. The Journal Of Heart And Lung Transplantation 2024, 43: s254. DOI: 10.1016/j.healun.2024.02.1159.Peer-Reviewed Original Research(721) Current Utilization of Diaphragm Pacing in Lung Transplant Patients: Identifying and Treating Phrenic and Diaphragm Function Abnormalities
Onders R, Elmo M, Carl N, Elgudin Y, Abu-Omar Y, Gray K, Pelletier M, Arora R, Kilaru S, Schilz R. (721) Current Utilization of Diaphragm Pacing in Lung Transplant Patients: Identifying and Treating Phrenic and Diaphragm Function Abnormalities. The Journal Of Heart And Lung Transplantation 2024, 43: s344-s345. DOI: 10.1016/j.healun.2024.02.537.Peer-Reviewed Original Research
2023
Women Surgical Trainees Interested in Cardiothoracic Surgery Lack Woman Cardiothoracic Mentorship
Alvarado C, Gray K, Hay A, Luc J, Singh R, Towe C, Antonoff M, Kane L, Worrell S. Women Surgical Trainees Interested in Cardiothoracic Surgery Lack Woman Cardiothoracic Mentorship. Journal Of The American College Of Surgeons 2023, 236: s116-s117. DOI: 10.1097/01.xcs.0000933328.22392.0f.Peer-Reviewed Original Research
2022
COMPARISON OF RATES AND OUTCOMES OF READMISSIONS TO INDEX VERSUS NON-INDEX HOSPITALS AFTER CARDIAC SURGERY: A NATIONWIDE ANALYSIS
Jarrett C, Rushing G, Gray K, Hussian O, Abu-Omar Y, Baeza C, Elgudin Y, Markowitz A, Vega P, Sabik J, Pelletier M. COMPARISON OF RATES AND OUTCOMES OF READMISSIONS TO INDEX VERSUS NON-INDEX HOSPITALS AFTER CARDIAC SURGERY: A NATIONWIDE ANALYSIS. Canadian Journal Of Cardiology 2022, 38: s185-s186. DOI: 10.1016/j.cjca.2022.08.148.Peer-Reviewed Original ResearchSurgical Repair vs Stent for Esophageal Perforation: A Multi-institutional Database Analysis
Gray K, Sarode A, Jiang B, Alvarado C, Sinopoli J, Linden P, Worrell S, Ho V, Argote-Greene L, Towe C. Surgical Repair vs Stent for Esophageal Perforation: A Multi-institutional Database Analysis. The Annals Of Thoracic Surgery 2022, 115: 1378-1384. PMID: 35921860, DOI: 10.1016/j.athoracsur.2022.07.023.Peer-Reviewed Original ResearchConceptsEsophageal perforationSurgical repairEsophageal stentIndependent predictorsHospital lengthOutcomes of surgical repairIndependent predictors of deathEndoscopic esophageal stentingHospital length of stayPredictors of deathPremier Healthcare DatabaseLogistic regressionMulti-institutional studyDay of admissionLength of stayComposite outcomePatientsEsophagealStentPerforationComorbiditiesAdult inpatientsHealthcare databasesElixhauser comorbiditiesDeathFactors influencing quality of lymphadenectomy in minimally invasive esophagectomy: a US-based analysis
Odetoyinbo K, Bachman K, Worrell S, Gray K, Linden P, Towe C. Factors influencing quality of lymphadenectomy in minimally invasive esophagectomy: a US-based analysis. Diseases Of The Esophagus 2022, 35: doab093. PMID: 35039833, DOI: 10.1093/dote/doab093.Peer-Reviewed Original ResearchConceptsMinimally Invasive EsophagectomyAssociated with adequate lymphadenectomyAdequate lymphadenectomyLymph nodesAcademic centersNodal diseaseOverall survivalInvasive esophagectomyNCCN guidelinesPresence of clinical nodal diseasePresence of nodal diseaseInstitutional volumeClinical nodal diseaseNational Cancer DatabaseKaplan-Meier methodQuality of lymphadenectomyGuideline-based recommendationsPrivate insurance statusUS-based analysisRank sum testMetastatic diseasePrimary endpointCancer DatabaseLymphadenectomyEsophagectomy
2021
Robotic Approach Has Improved Outcomes for Minimally Invasive Resection of Mediastinal Tumors
Alvarado C, Worrell S, Bachman K, Jiang B, Janko M, Gray K, Argote-Greene L, Linden P, Towe C. Robotic Approach Has Improved Outcomes for Minimally Invasive Resection of Mediastinal Tumors. The Annals Of Thoracic Surgery 2021, 113: 1853-1858. PMID: 34217691, DOI: 10.1016/j.athoracsur.2021.05.090.Peer-Reviewed Original ResearchConceptsRobotic-assisted thoracoscopic surgeryVideo-assisted thoracoscopic surgeryMinimally invasive resectionResection of mediastinal tumorsMinimally invasive surgical approachComposite adverse outcomeMediastinal tumorInvasive surgical approachSurgical approachAdverse outcomesLength of stayOverall survivalThoracoscopic surgeryAssociated with fewer conversionsAdverse composite outcomePositive pathologic marginsNational Cancer DatabaseTumors 4 cmOutcomes of resectionComposite adverse eventsAdverse perioperative outcomesMultivariate logistic regressionShorter length of stayPathologic marginsPositive margins
Academic Achievements & Community Involvement
Clinical Care
Overview
Kelsey Gray, MD, the director of cardiothoracic transplant at Yale New Haven Hospital Heart and Vascular Center, is a cardiac surgeon who specializes in cardiac surgery and heart transplant surgery. She diagnoses and treats heart conditions that may require surgical interventions, including issues related to the heart’s structure and function. Dr. Gray offers surgical procedures and explains them in layman's terms.
As an assistant professor of cardiac surgery at Yale School of Medicine, Dr. Gray conducts research focused on improving surgery and transplant techniques.
Dr. Gray completed her medical training at the University of Washington School of Medicine and pursued a general surgery residency at Harbor UCLA Medical Center, followed by a cardiac surgery fellowship at University Hospitals/Case Western Reserve University.
Clinical Specialties
Cardiac Surgery; Heart Transplant Surgery
Board Certifications
Thoracic & Cardiac Surgery
- Certification Organization
- AB of Thoracic Surgery
- Original Certification Date
- 2023
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Cardiac Surgery
330 Cedar Street, PO BOX 208039
New Haven, CT 06510
United States
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