Faculty

Leon Chen headshot

Leon Chen

AGACNP-BC DNP FAANP FCCP

Clinical Assistant Professor

1 212 998 5326

433 First Avenue
Room 405
New York, NY 10010
United States

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Professional overview

Dr. Leon Chen is a board certified Adult/Gerontology Acute Care Nurse Practitioner with a background in emergency and critical care medicine. He is a Fellow of the American College of Chest Physicians and the American Association of Nurse Practitioners. Dr. Chen holds specialty board certifications in both emergency and critical care nursing and is a strong proponent of utilizing point of care ultrasonography to rapidly delineate differential diagnoses and to guide resuscitation. Dr. Chen earned a certificate of completion in critical care ultrasonography from the American College of Chest Physicians and is active in critical care ultrasonography education. He has published articles on topics include sedation management, delirium, sepsis, resuscitation, and critical care ultrasonography and is currently an editorial board member of the journal Critical Care Nursing Quarterly.

Education

Doctor of Nursing Practice, Chatham University
Masters of Science in Adult/Gerontology Acute Care NP, NYU Rory Meyers College of Nursing
Bachelors​ ​of​ ​Science​ ​-​ ​NYU​ ​Rory​ ​Meyers​ ​College​ ​of​ ​Nursing​

Professional membership

American​ ​College​ ​of​ ​Chest​ ​Physicians
Society​ ​of​ ​Critical​ ​Care​ ​Medicine
American​ ​Academy​ ​of​ ​Nurse​ ​Practitioners
American​ ​Association​ ​of​ ​Critical-Care​ ​Nurses
Sigma Theta Tau Honor Society of Nursing
Editorial Board Member of Critical Care Nursing Quarterly
Co-chair of Education Committee, American Assembly of Men in Nursing - Men in Nursing
American Association of Nurse Practitioners

Publications

Publications

Spurious laboratory values in patients with leukocytosis

Malek, T., & Chen, L. (2019). Critical Care Nursing Quarterly, 42(1), 44-46. 10.1097/CNQ.0000000000000236
Abstract
Physiological derangements such as hypoxemia and hyperkalemia are medical emergencies that warrant prompt interventions to prevent further patient clinical deterioration. However, in patients with myeloproliferative diseases or malignancies that result in extreme leukocytosis, hypoxemia and hyperkalemia demonstrated in laboratory results could be deceiving due to in vitro reactions and may not reflect actual patient condition. Clinicians have to be familiar with these phenomena so as to not cause harm by treating these spurious laboratory values.

A Lung Cancer Patient With Respiratory Insufficiency and Hemodynamic Instability

Chen, L., Finan, M., Mead, E., & Halpern, N. A. (2018). Chest, 153(3), 756-759. 10.1016/j.chest.2017.10.048

A Lung Cancer Patient With Respiratory Insufficiency and Hemodynamic Instability.

Chen, L. L., Finan, M., Mead, E., & Halpern, N. A. (2018). Chest, 153(3), e49-e52. 10.1016/j.chest.2017.10.048

A Patient in Respiratory Distress After Esophagectomy

Chen, L., Mead, E., Dhawan, V., & Halpern, N. A. (2018). Chest, 154(6), e157-e160. 10.1016/j.chest.2018.07.045

Point-of-Care Ultrasonography in Emergency and Critical Care Medicine

Chen, L., & Malek, T. (2018). Critical Care Nursing Quarterly, 41(2), 94-101. 10.1097/CNQ.0000000000000190
Abstract
To stabilize critically ill patients, emergency and critical care medicine providers often require rapid diagnosis and intervention. The demand for a safe, timely diagnostic device, alongside technological innovation, led to the advent of point-of-care ultrasonography (POCUS). POCUS allows the provider to gain invaluable clinical information with a high level of accuracy, leading to better clinical decision-making and improvements in patient safety. We have outlined the history of POCUS adaptation in emergency and critical care medicine and various clinical applications of POCUS described in literature.

Point-of-Care Ultrasonography in Emergency and Critical Care Medicine.

Chen, L., & Malek, T. (2018). Critical Care Nursing Quarterly, 41(2), 94-101. 10.1097/CNQ.0000000000000190
Abstract
To stabilize critically ill patients, emergency and critical care medicine providers often require rapid diagnosis and intervention. The demand for a safe, timely diagnostic device, alongside technological innovation, led to the advent of point-of-care ultrasonography (POCUS). POCUS allows the provider to gain invaluable clinical information with a high level of accuracy, leading to better clinical decision-making and improvements in patient safety. We have outlined the history of POCUS adaptation in emergency and critical care medicine and various clinical applications of POCUS described in literature.

Factors influencing weaning older adults from mechanical ventilation: An integrative review

Stieff, K. V., Lim, F., & Chen, L. (2017). Critical Care Nursing Quarterly, 40(2), 165-177. 10.1097/CNQ.0000000000000154
Abstract
This study aim was to describe the influences that affect weaning from mechanical ventilation among older adults in the intensive care unit (ICU). Adults older than 65 years comprised only 14.5% of the US population in 2014; however, they accounted up to 45% of all ICU admissions. As this population grows, the number of ICU admissions is expected to increase. One of the most common procedures for hospitalized adults 75 years and older is mechanical ventilation. An integrative review methodology was applied to analyze and synthesize primary research reports. A search for the articles was performed using the PubMed and Cumulative Index to Nursing and Allied Health Literature (CINAHL) databases; using the keywords and Boolean operators "older adults," "weaning," "mechanical ventilation," and intensive care unit. Although physiologic changes that occur with aging place older adults at higher risk for respiratory complications and mortality, there are many factors, other than chronological age, that can determine a patient's ability to be successfully weaned from mechanical ventilation. Of the 6 studies reviewed, all identified various predictors of weaning outcome, which included maximal inspiratory pressure, rapid shallow breathing index, fluid balance, comorbidity burden, severity of illness, emphysematous changes, and low serum albumin. Age, in and of itself, is not a predictor of weaning from mechanical ventilation. More studies are needed to describe the influences affecting weaning older adults from mechanical ventilation.

Managing hypocalcemia in massive blood transfusion

Lim, F., Chen, L., & Borski, D. (2017). Nursing. 10.1097/01.NURSE.0000515501.72414.e3

Managing hypocalcemia in massive blood transfusion.

Lim, F., Chen, L. L., & Borski, D. (2017). Nursing, 47(5), 26-32. 10.1097/01.NURSE.0000515501.72414.e3

A Patient on Airway Pressure Release Ventilation With Sudden Hemodynamic Collapse

Chen, L., Mead, E., & Gale, M. J. (2017). Chest, 152(1), e7-e9. 10.1016/j.chest.2017.01.041