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Dana Dale Portenier

Associate Professor of Surgery
Surgery, Minimally Invasive Surgery
Box 3351 Med Ctr, Durham, NC 27710
407 Crutchfield St, Durham, NC 27704

Current Duke Appointments & Affiliations


Associate Professor of Surgery · 2023 - Present Surgery, Minimally Invasive Surgery, Surgery

Recent News Items


Published July 8, 2025
How Weight Loss Surgery Started a Journey for These Twins

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Recent Scholarly Works


The functional lumen opening with self-forming magnetic anastomosis (FLOWS) study: results from the North American pivotal trial

Journal article Surgical Endoscopy · January 1, 2026 Objective: To evaluate the safety and effectiveness of using self-forming magnets (SFM) with an immediately functional lumen for the creation of small bowel anastomoses. Background: Prevention of short-, medium-, and long-term gastrointestinal anastomotic ... Full text Cite

Postoperative outcomes following revision or conversion surgery after primary sleeve gastrectomy: an analysis of the MBSAQIP database.

Journal article Surg Obes Relat Dis · August 2025 BACKGROUND: A significant proportion of patients that undergo primary sleeve gastrectomy (SG) require revision or conversion metabolic and bariatric surgery (MBS). Despite various procedures performed in practice, comparative analyses of short-term outcome ... Full text Link to item Cite

The Role of Sleep Apnea in Postoperative Neurocognitive Disorders Among Older Noncardiac Surgery Patients: A Prospective Cohort Study.

Journal article Anesth Analg · January 1, 2025 BACKGROUND: Obstructive sleep apnea is associated with increased dementia risk, yet its role in postoperative neurocognitive disorders is unclear. Here, we studied whether the severity of untreated obstructive sleep apnea is associated with the severity of ... Full text Open Access Link to item Cite
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Recent Grants


Mechanisms that Direct Airway Remodeling in Obese Asthma

ResearchCo Investigator · Awarded by National Institutes of Health · 2017 - 2023

FSF Fellowship

FellowshipPrincipal Investigator · Awarded by Foundation for Surgical Fellowships · 2019 - 2020

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Education


Medical University of South Carolina, College of Medicine · 1999 M.D.