Jacob F Collen


Colonel, Army

Department of Primary Appointment:
School of Medicine
Co-Director, Cardiopulmonary Renal Module MS 1 Curriculum and Program Director Sleep Medicine Fellowship
Location: Walter Reed National Military Medical Center, Bethesda, MD
Research Interests:
Sleep disordered breathing and PTSD
Deployment related dyspnea
Office Phone


2013 Fellowship, Sleep Medicine, Walter Reed National Military Medical Center, Bethesda, MD
2012 Fellowship, Pulmonary and Critical Care Medicine, Walter Reed National Military Medical Center, Bethesda, MD
2009 Residency, Internal Medicine, Walter Reed Army Medical Center, Washington, DC
2003 Internship, General Surgery, Brooke Army Medical Center, Fort Sam Houston, TX
2002 MD, Uniformed Services University
1998 BS, Biology, University of California, Riverside

Career Highlights: Positions, Projects, Deployements, Awards and Additional Publications

Intensivist, 31st Combat Support Hospital, Camp Bastion, Afghanistan, 2014

Battallion Surgeon, 1-26 Infantry, Forward Operating Base Brassfield-Mora, Samarra, Iraq, 2004

James J Leonard Award for Excellence in Teaching Internal Medicine (2008)

Representative Bibliography

Moores LK, Holley AB, Collen JF. Working with a mentor: effective strategies during fellowship and early career. Chest. 2018 Feb 22. pii: S0012-3692(18)30312-X. doi: 10.1016/j.chest.2018.02.016. [Epub ahead of print] No abstract available. PMID: 29477494

Lettieri J, Williams SG, Collen J. Obstructive sleep apnea syndrome and post-traumatic stress disorder: Clinical outcomes and impact of PAP therapy. Chest. 2016 Feb;149(2):483-90. doi: 10.1378/chest.15-0693. Epub 2016 Jan 1. [PMID: 26291560]

Holley AB, Boose WD, Perkins M, Sheikh KL, Solomon NP, Dietsch AM, Vossoughi J, Johnson AT, Collen JF. A rapid, hand-held device to assess respiratory resistance: clinical and normative evidence. Military Medicine. 2018 Feb 7 [epub ahead of print]. [PMID: 29425367]

Collen J, Eliasson A, Lettieri C. Post-Operative CPAP Use Impacts Long-Term Weight Loss Following Bariatric Surgery. J Clin Sleep Med 2014, Accepted, in-press. [PMID: 25515283]

Collen J, Lettieri C, Hoffman M. The Impact of Posttraumatic Stress Disorder on CPAP Adherence in Patients With Comorbid OSA. Journal of Clinical Sleep Medicine. J Clin Sleep Med 2012;8(6): 667-672. [PMID: 23243400]

Collen JF, Orr N, Lettieri CJ, Holley AB. Sleep disturbances in soldiers with combat related traumatic brain injury. CHEST. 2012 Sep; 142(3): 622-30. [PMID 22459784]

Collen JF, Holley A, Shah A, Lettieri C, Kelly W, Roop S. The Impact of split-night versus traditional sleep studies on CPAP compliance. Sleep and Breathing 2010 Jun. 14(2): 92-9. Epub 2009 Aug 28. [PMID 19714379]

Lettieri C, Collen JF, Eliasson A, Quast T. Sedative use during CPAP titration improves subsequent compliance: a prospective, randomized, double-blinded, placebo-controlled trial. CHEST. 2009 Nov; 136(5): 1263-8. [PMID 19567493]

Collen JF, Lettieri C, Kelly W, Roop S. Clinical and polysomnographic predictors of short-term CPAP compliance. CHEST, Mar 2009; 135: 704-709. [PMID 1901788]

Collen JF, Greenburg D, Holley A, King C, Hnatiuk O. Discordance in spirometric interpretation using three commonly used reference equations compared to NHANES III. CHEST. Nov 2008; 134 (5): 1009-1016. [PMID 18988777]