GarretSethZallenMD

Pediatric (General) Surgery • Springfield, OR

Assistant Professor of Surgery, Oregon Health & Sci University

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Office
3377 Riverbend Dr
Pediatric Surgery
Springfield, OR 97477
Phone+1 541-222-6135

Fax+1 541-222-6134
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Education & Training

University at BuffaloFellowship, Pediatric Surgery, 2002 - 2004
University of ColoradoResidency, Surgery, 1994 - 2001
University of Colorado School of Medicine Anschutz Medical CampusClass of 1994

Certifications & Licensure

OR State Medical License 2004 - 2025
WA State Medical License 2007 - 2025
ID State Medical License 2021 - 2025
NY State Medical License 2001 - 2012
American Board of Surgery Surgery
American Board of Surgery Pediatric Surgery

Awards, Honors, & Recognition

Portland Monthly Magazine Castle Connolly, 2011
Fellow (FACS) American College of Surgeons

Publications & Presentations

PubMed

Promoting Firearm Injury Prevention and Advocacy as Pediatric Surgeons: A Call to Action From the APSA/AAP Advocacy Committee.
Knod, J., Griggs, C., Henry, M., Froehlich, M., Gow, K., , Sathya, C., Zallen, G., Coakley, B., Masiakos, P., Naik-Mathuria, B.> ;Journal of Pediatric Surgery. 2023 Dec 5
32 citations
Discordance of the pediatric surgeon's intraoperative assessment of pediatric appendicitis with the pathologists report
David Bliss, Julie Mckee, David Cho, Sanjay Krishnaswami, Garret Zallen, Marvin W. Harrison, Mark L. Silen> ;Journal of Pediatric Surgery. 2010 Jul 1
77 citations
Analysis of 29 consecutive thoracoscopic repairs of congenital diaphragmatic hernia in neonates compared to historical controls
S. David Cho, Sanjay Krishnaswami, Julie Mckee, Garret Zallen, Mark L. Silen, David Bliss> ;Journal of Pediatric Surgery. 2009 Jan 1
24 citations
Laparoscopic inversion and ligation inguinal hernia repair in girls.
Garret Zallen, Philip L. Glick> ;Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A. 2007 Feb 1
Biliary atresia.
Garret S Zallen, David W Bliss, Thomas J Curran, Marvin W Harrison, Mark L Silen> ;Pediatrics in Review. 2006 Jul 1
28 citations
Cardiopulmonary resuscitation in patients with a Nuss bar--a case report and review of the literature.
Garrett K. Zoeller, Garret S. Zallen, Philip L. Glick> ;Journal of Pediatric Surgery. 2005 Nov 1
18 citations
Miniature access pectus excavatum repair: lessons we have learned
Garret S. Zallen, Philip L. Glick> ;Journal of Pediatric Surgery. 2004 May 1
51 citations
Pulmonary function and exercise response in patients with pectus excavatum after Nuss repair.
Drucy Borowitz, Frank J. Cerny, Garret S. Zallen, Jack K. Sharp, Mark S. Burke, Kara Gross, Philip L. Glick> ;Journal of Pediatric Surgery. 2003 Apr 1
47 citations
Diagnosing Hirschsprung's disease: increasing the odds of a positive rectal biopsy result.
Nicola A. Lewis, Marc A. Levitt, Garret S. Zallen, Mona S. Zafar, Karen L. Iacono, Jon E. Rossman, Michael G. Caty, Philip L. Glick> ;Journal of Pediatric Surgery. 2003 Mar 1
63 citations
Presence of the M-type sPLA2 receptor on neutrophils and its role in elastase release and adhesion
Christopher C. Silliman, Ernest E. Moore, Garret Zallen, Ricardo J. Gonzalez, Jeffrey L. Johnson, David J. Elzi, Xianzhong Meng, Kohji Hanasaki, Jun Ishizaki, Hitoshi ...> ;American Journal of Physiology. Cell Physiology. 2002 Oct 1
85 citations
Hypertonic saline attenuation of polymorphonuclear neutrophil cytotoxicity: timing is everything.
David J. Ciesla, Ernest E. Moore, Garret Zallen, Walter L. Biffl, Christopher C. Silliman> ;The Journal of Trauma. 2000 Mar 1
44 citations
Hypertonic saline resuscitation abrogates neutrophil priming by mesenteric lymph.
Garret Zallen, Ernest E. Moore, Douglas Y. Tamura, Jeffrey L. Johnson, Walter L. Biffl, Christopher C. Silliman> ;The Journal of Trauma. 2000 Jan 1
127 citations
Stored red blood cells selectively activate human neutrophils to release IL-8 and secretory PLA2
Garret Zallen, Ernest E. Moore, David J. Ciesla, Michelle Brown, Walter L. Biffl, Christopher C. Silliman> ;Shock. 2000 Jan 1
405 citations
Age of transfused blood is an independent risk factor for postinjury multiple organ failure
Garret Zallen, Patrick J. Offner, Ernest E. Moore, John Blackwell, David J. Ciesla, Julie Gabriel, Chris Denny, Christopher C. Silliman> ;American Journal of Surgery. 1999 Dec 1
12 citations
Extracellular signal-related kinase 1/2 and p38 mitogen-activated protein kinase pathways serve opposite roles in neutrophil cytotoxicity.
Jeffrey L. Johnson, Ernest E. Moore, David A. Patrick, Douglas Y. Tamura, Garret Zallen, David J. Elzi, Christopher C. Silliman> ;Archives of Surgery. 1999 Oct 1
86 citations
Neutrophils are primed for cytotoxicity and resist apoptosis in injured patients at risk for multiple organ failure.
Walter L. Biffl, Ernest E. Moore, Garret Zallen, Jeffrey L. Johnson, Julie Gabriel, Patrick J. Offner, Christopher C. Silliman> ;Surgery. 1999 Aug 1
60 citations
Resuscitation with a blood substitute abrogates pathologic postinjury neutrophil cytotoxic function.
Jeffrey L. Johnson, Ernest E. Moore, Patrick J. Offner, David A. Partrick, Douglas Y. Tamura, Garret Zallen, Christopher C. Silliman> ;The Journal of Trauma. 1999 Jul 1
89 citations
Posthemorrhagic shock mesenteric lymph primes circulating neutrophils and provokes lung injury.
Garret Zallen, Ernest E. Moore, Jeffrey L. Johnson, Douglas Y. Tamura, David J. Ciesla, Christopher C. Silliman> ;The Journal of Surgical Research. 1999 May 15
17 citations
Disparities in the respiratory burst between human and rat neutrophils.
Jeffrey L. Johnson, Ernest E. Moore, Andrew A. Hiester, Douglas Y. Tamura, Garret Zallen, Christopher C. Silliman> ;Journal of Leukocyte Biology. 1999 Feb 1
2 citations
Postinjury suppression of human neutrophil cytokine production results from the stabilization of inhibitory kappaB.
Garret Zallen, Ernest E. Moore, Jeffrey L. Johnson, Douglas Y. Tamura, Brian D. Shames, Walter L. Biffl, Christopher C. Silliman> ;Shock. 1999 Feb 1
23 citations
New Mechanisms by Which Secretory Phospholipase A2 Stimulates Neutrophils to Provoke the Release of Cytotoxic Agents
Garret Zallen, Ernest E. Moore, Jeffrey L. Johnson, Douglas Y. Tamura, Michael Barkin, Hubertus Stockinger, Christopher C. Silliman> ;Archives of Surgery. 1998 Nov 1
73 citations
p38 mitogen-activated protein kinase inhibition attenuates intercellular adhesion molecule-1 up-regulation on human pulmonary microvascular endothelial cells.
Douglas Y. Tamura, Ernest E. Moore, Jeffrey L. Johnson, Garret Zallen, Junichi Aiboshi, Christopher C. Silliman> ;Surgery. 1998 Aug 1
57 citations
Circulating postinjury neutrophils are primed for the release of proinflammatory cytokines.
Garret Zallen, Ernest E. Moore, Jeffrey L. Johnson, Douglas Y. Tamura, Junichi Aiboshi, Walter L. Biffl, Christopher C. Silliman> ;The Journal of Trauma. 1998 Jul 1
5 citations
Primed Neutrophils Require Phosphatidic Acid for Maximal Receptor-Activated Elastase Release
Douglas Y. Tamura, Ernest E. Moore, David A. Partrick, Jeffrey L. Johnson, Garret Zallen, Christopher C. Silliman> ;The Journal of Surgical Research. 1998 Jun 1
55 citations
Interleukin-6 augments neutrophil cytotoxic potential via selective enhancement of elastase release.
Jeffrey L. Johnson, Ernest E. Moore, Douglas Y. Tamura, Garret Zallen, Walter L. Biffl, Christopher C. Silliman> ;The Journal of Surgical Research. 1998 Apr 1
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Professional Memberships

American College of Surgeons - ACS
Member

Hospital Affiliations

OHSU HospitalPortland, Oregon
PeaceHealth Sacred Heart Medical Center at RiverBendSpringfield, Oregon

GarretSethZallenMD

Dr. Zallen is on Doximity

Education & Training

Certifications & Licensure

Awards, Honors, & Recognition

Publications & Presentations

Professional Memberships

Hospital Affiliations

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