Kathryn Fletcher, MD, FAAP
Assistant ProfessorCards
About
Research
Publications
2025
Hypotension: NNICU
Neumann D, Fletcher K, Kesman R; Blythe E; Hypotension: NNICU; AgileMD; YNHHS Children's Hospital Clinical PathwaysPeer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2024
Nitric Oxide (iNO): NNICU
Fleiss N, Fletcher K, Gentle S; Blythe E; Nitric Oxide (iNO): NNICU: YNHHS Children's Hospital Clinical PathwaysPeer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsVentilatory Management: NNICU
Fletcher K, Peterec S, Figueredo Y, DeMartino C, Kesman R, Daniel J, Mukherjee P, Gupta S, Beres S, Ford R, Gizzi N; Blythe E; Ventilatory Management: NNICU: YNHHS Children's Hospital Clinical PathwaysPeer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsHigh Frequency Jet Ventilation
Fletcher K, Ford R; Blythe E; High Frequency Jet Ventilation; YNHHS Children's Hospital Clinical PathwaysPeer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2023
Surfactant Administration: NNICU
Fleiss N, DeMartino C, Fletcher K; Blythe E; Surfactant Administration: NNICU; YNHHS Children's Hospital Clinical PathwaysPeer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2022
Update on pre-ECMO evaluation and treatment for term infants in respiratory failure.
Fletcher KL, Chapman R. Update on pre-ECMO evaluation and treatment for term infants in respiratory failure. Semin Fetal Neonatal Med 2022, 27: 101401. PMID: 36450631, DOI: 10.1016/j.siny.2022.101401.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsPrenatal markers in congenital diaphragmatic hernia—can we accurately predict outcomes?
Fletcher KL, Peterec SM. Prenatal markers in congenital diaphragmatic hernia—can we accurately predict outcomes? Journal Of Perinatology 2022, 42: 1151-1152. PMID: 35963888, DOI: 10.1038/s41372-022-01485-4.Commentaries, Editorials and Letters
2021
The association of inborn status and resource utilization among neonates who received extracorporeal membrane oxygenation
Fletcher K, Contreras V, Song A, Lakshmanan A, Yieh L, Gong C, Kelley-Quon L, Friedlich P, Chapman R. The association of inborn status and resource utilization among neonates who received extracorporeal membrane oxygenation. Journal Of Pediatric Surgery 2021, 56: 2311-2317. PMID: 33743989, PMCID: PMC8371067, DOI: 10.1016/j.jpedsurg.2021.02.020.Peer-Reviewed Original ResearchConceptsExtracorporeal membrane oxygenationLength of stayInborn neonatesTotal hospital costsAssociated with lengthMembrane oxygenationCardiac-related diagnosesUtilization Project Kids' Inpatient DatabaseCongenital diaphragmatic herniaHospital costsHospital-level factorsPopulation of infantsRetrospective cohort studyFactors associated with length of stayAssociated with length of stayKids' Inpatient DatabaseHigh-risk populationInborn statusOutborn neonatesHigher mortality rateDiaphragmatic herniaClinical characteristicsCost-effective treatmentNeonatesCohort study
2019
Evaluation of Oxygen Saturation Index Compared With Oxygenation Index in Neonates With Hypoxemic Respiratory Failure
Muniraman H, Song A, Ramanathan R, Fletcher K, Kibe R, Ding L, Lakshmanan A, Biniwale M. Evaluation of Oxygen Saturation Index Compared With Oxygenation Index in Neonates With Hypoxemic Respiratory Failure. JAMA Network Open 2019, 2: e191179. PMID: 30924897, PMCID: PMC6450323, DOI: 10.1001/jamanetworkopen.2019.1179.Peer-Reviewed Original ResearchConceptsOxygen saturation indexCorrelation of OIHypoxemic respiratory failureRespiratory failureOI cutoffsSurrogate markerSeverity of respiratory failureHypoxic respiratory failureResponse to therapyInvasive mechanical ventilationRetrospective cohort studyIntensive care unitOxygen saturation rangeDay of admissionBland-Altman plotsPreterm infantsMechanical ventilationOSI measurementsCohort studyPrimary outcomeSecondary outcomesCare unitNoninvasive sourcePredicting OINeonates
2018
Utilization Patterns of Extracorporeal Membrane Oxygenation between Inborn and Outborn Neonates in the United States
Contreras V, Song A, Fletcher K, Chapman R, Friedlich P, Lakshmanan A. Utilization Patterns of Extracorporeal Membrane Oxygenation between Inborn and Outborn Neonates in the United States. 2018, 142: 156-156. DOI: 10.1542/peds.142.1ma2.156.Peer-Reviewed Original Research
Academic Achievements & Community Involvement
Teaching & Mentoring
Clinical Care
Overview
Kathryn Fletcher, MD, is a neonatologist who provides specialized care for newborns, including those born prematurely or with conditions that require advanced treatment. She focuses on helping infants with breathing, nutrition, and developmental support to give them the best possible start.
Dr. Fletcher uses a range of therapies to stabilize and strengthen fragile newborns, working with families to address each child’s unique needs. By collaborating with pediatric specialists, she aims to foster long-term health and growth for every baby in her care.
As an assistant professor at Yale School of Medicine, Dr. Fletcher is committed to advancing knowledge in neonatal care. She studies ways to enhance the well-being of babies with complex health concerns, including strategies to reduce complications and improve developmental outcomes.
Dr. Fletcher completed her medical training and residency in pediatrics at the University of Michigan Medical School, followed by a fellowship in neonatal-perinatal medicine at LAC+USC Medical Center (now Los Angeles General Medical Center).
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Neonatal-Perinatal Medicine
333 Cedar St, LMP 4085
New Haven, CT 06511
United States
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