9:40am A134 Gut microbiome observations before and after bariatric surgery Authors: Pavlos Papasavas, MD; Dong-Binh Tran, PhD; Richard Seip, PhD; Amina Kureshi, DO; Yini A Lek, BS; Dale Bond, PhD; Godfrey Pearlson, MD; Darren Tishler, MD; George Weinstock, PhD Presenter: Richard Seip, PhD 9:46am A135 The Impact of the COVID-19 Pandemic on the Length of Stay in Elective Bariatric Surgery Authors: Jennifer Allison, MD; Matthew Davis., MD; Leah Hendrick, MD Presenter: Jennifer Allison, MD 9:52am A136 Bariatric Surgery Decreases the Length of Stay and Related Costs In Subjects Hospitalized due to Ventricular Arrhythmias: An analysis of the Nationwide Inpatient Sample (NIS) database Authors: Roberto Valera, MD; Mauricio Sarmiento-Cobos, MD; Kaylee Watson, Student; Lisandro Montorfano, MD; Samuel Szomstein, MD; Raul Rosenthal, MD; Emanuele Lo Menzo, MD PhD FASMBS Presenter: Roberto Valera, MD 9:58am A137 The safety and the efficacy of endoscopic removal of eroded gastric bands and rings, a systematic review Authors: Abdul-Rahman F Diab, MD; Ali Zakaria, MD; Ali M Abbas, MD Presenter: Abdul-Rahman F Diab, MD 10:04am A138 How Robotic Approach Changes the Impact of First Assistant on Operative Time in Bariatric Surgery: A 4 Year Analysis of MBSAQIP Database 2016-2019 Authors: Katherine L Ho, MD; Chiu-Hsieh Hsu, PhD; Yazan Ashouri, MD; Laura Karasek, MD; Saad Ajmal, MD; Iman Ghaderi, MD Presenter: Katherine L Ho, MD