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Alisan Fathalizadeh

Assistant Professor of Surgery
Surgery, Minimally Invasive Surgery

Selected Publications


Endoscopic findings do not predict per-oral pyloromyotomy (POP) response.

Journal Article Surg Endosc · February 2023 INTRODUCTION: Gastroparesis is a life-altering diagnosis caused by the stomach's inability to function in the absence of a mechanical obstruction. The primary causes are idiopathic, diabetic, and postoperative. Our first-line treatment for medical refracto ... Full text Link to item Cite

Intramural Surgery Per Oral Endoscopic Myotomy for Zenker’s Diverticulum (Z-POEM)

Chapter · January 1, 2023 Zenker’s diverticulum (ZD) is a rare diagnosis that occurs by herniation of the mucosa and submucosa at the pharyngoesophageal junction. Patients frequently present with symptoms of dysphagia, regurgitation, and occasionally aspiration. Treatment of ZD has ... Full text Cite

Robotic versus laparoscopic median arcuate ligament (MAL) release: a retrospective comparative study.

Journal Article Surg Endosc · July 2022 BACKGROUND: Multiple retrospective studies have demonstrated the safety and feasibility of laparoscopic median arcuate ligament division with celiac neurolysis for the definitive management of median arcuate ligament syndrome (MALS). This study queries the ... Full text Link to item Cite

Appendicitis management: Is it time for a change?

Journal Article Cleve Clin J Med · June 1, 2022 Full text Link to item Cite

Gastroparesis with concomitant gastrointestinal dysmotility is not a contraindication for per-oral pyloromyotomy (POP).

Journal Article Surg Endosc · June 2022 INTRODUCTION: Per-oral pyloromyotomy (POP or G-POEM) provides significant short-term improvements in symptoms and objective emptying for patients with medically refractory gastroparesis, but it is unclear if patients with gastroparesis and co-existing dysm ... Full text Link to item Cite

Real-time intraoperative functioning lumen imaging probe during endoscopic per-oral pyloromyotomy (pop).

Journal Article Surg Endosc · January 2022 BACKGROUND: Endoscopic per-oral pyloromyotomy (POP) has emerged as a safe and effective first line option in medically refractory gastroparesis. Determining the appropriate extent of the pyloromyotomy continues to present a challenge as there are no standa ... Full text Link to item Cite

Endoscopic mucosal incision and muscle interruption (MIMI) for the treatment of Zenker's diverticulum.

Journal Article Surg Endosc · July 2021 BACKGROUND: In peroral endoscopic myotomy for Zenker's diverticulum (Z-POEM), the cricopharyngeus muscle is divided within a submucosal tunnel started in the hypopharynx. We aimed to evaluate the safety and preliminary outcomes in patients who underwent a ... Full text Link to item Cite

Association of prior metabolic and bariatric surgery with severity of coronavirus disease 2019 (COVID-19) in patients with obesity.

Journal Article Surg Obes Relat Dis · January 2021 BACKGROUND: Obesity is a risk factor for poor clinical outcomes in patients with coronavirus disease 2019 (COVID-19). OBJECTIVES: To investigate the relationship between prior metabolic surgery and the severity of COVID-19 in patients with severe obesity. ... Full text Link to item Cite

A Structured Approach for Safely Reintroducing Bariatric Surgery in a COVID-19 Environment.

Journal Article Obes Surg · October 2020 Due to the profound effect of novel coronavirus disease 2019 (COVID-19) on healthcare systems, surgical programs across the country have paused surgical operations and have been utilizing virtual visits to help maintain public safety. For those who treat o ... Full text Link to item Cite

Gastrointestinal Bleeding

Chapter · January 1, 2020 Bleeding that originates anywhere in the gastrointestine (GI) tract and may manifest as hematemesis, hematochezia, melena, or maroon-colored stools. Upper GI bleeds proximal to the ligament of Treitz are most frequently due to peptic ulcer disease, while l ... Full text Cite

The Revised 2017 MSPE: Better, But Not "Outstanding".

Journal Article J Surg Educ · November 2018 AIM: The medical student performance evaluation (MSPE) is relied on as an objective summary evaluation by surgical program directors. In 2017, an MSPE task force released recommendations for best practice for their format and content. The purpose of this s ... Full text Link to item Cite

Perioperative use of nonsteroidal anti-inflammatory drugs and the risk of anastomotic failure in emergency general surgery.

Conference J Trauma Acute Care Surg · October 2017 BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are commonly used analgesic and anti-inflammatory adjuncts. Nonsteroidal anti-inflammatory drug administration may potentially increase the risk of postoperative gastrointestinal anastomotic failure ... Full text Link to item Cite

Stapled versus hand-sewn: A prospective emergency surgery study. An American Association for the Surgery of Trauma multi-institutional study.

Conference J Trauma Acute Care Surg · March 2017 BACKGROUND: Data from the trauma patient population suggests handsewn (HS) anastomoses are superior to stapled (ST). A recent retrospective study in emergency general surgery (EGS) patients had similar findings. The aim of the current study was to evaluate ... Full text Link to item Cite

Sentinel lymph node biopsy and aberrant lymphatic drainage in recurrent breast cancer: Findings likely to change treatment decisions.

Journal Article J Surg Oncol · December 2016 BACKGROUND AND OBJECTIVES: It is not clear whether sentinel lymph node biopsy (SLNB) can be applied to patients with a second breast cancer or recurrence occurring at previously treated breast. The purpose of this study was to assess the feasibility of SLN ... Full text Link to item Cite

Can steroids plus surgery become a first-line treatment of idiopathic granulomatous mastitis?

Journal Article Breast Care · December 2, 2014 Background: The aim of this study is to compare the clinical course of idiopathic granulomatous mastitis (IGM) treated with low-dose oral corticosteroid therapy alone as opposed to treatment with low-dose corticosteroid therapy followed by surgery. Patient ... Full text Cite

Axillary arch may affect axillary lymphadenectomy

Journal Article Breast Care · December 1, 2013 Background: The aim of this study was to identify the axillopectoral muscle anomaly commonly known as Langer's axillary arch, and to understand its importance in surgical procedures of the axilla. Patients and Methods: Between 2009 and 2011, 758 patients u ... Full text Cite