AlfonsoTorquatiMDMSCI

General Surgery • Chicago, IL

Bariatric Surgery, Surgical Oncology (Other than Breast), Minimally Invasive Surgery

Helen Shedd Keith Professor and Chair, Department of Surgery, Rush University

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Office
1030 N Clark St
Chicago, IL 60610
Phone(312) 596-0160

Fax(312) 596-0012
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Education & Training

Vanderbilt University Medical CenterFellowship, Advanced GI Minimally Invasive Surgery, 2001 - 2003
Oregon Health Science University HospitalResidency, Surgery, 1996 - 2000
OtherClass of 1988

Certifications & Licensure

IL State Medical License 2015 - 2023
NC State Medical License 2007 - 2016
TN State Medical License 2001 - 2009
OR State Medical License 2000 - 2000
American Board of Surgery Surgery

Awards, Honors, & Recognition

Fellow American College of Surgeons

Clinical Trials

Impact of Gastric Bypass Surgery on Risk of CVD in Type 2 Diabetes Mellitus Start of enrollment: 2007 Mar 01
Completed
Phase 3
Endoscopic Suturing System for Tissue Apposition Start of enrollment: 2007 Feb 01
Completed
Not Applicable
Adipose Secretory Function in Patients Before & After Laparoscopic Surgery Start of enrollment: 2006 Mar 01
Completed
Phase 3
A Study to Determine the Effectiveness of Endoscopic Full-Thickness Plication for the Treatment of GERD Start of enrollment: 2005 Jan 01
Terminated
Not Applicable
Impact of GBS on CVD in Type 2 Diabetes Mellitus Start of enrollment: 2008 Nov 01
Completed
Not Applicable
Multicenter Prospective Randomized Controlled Trial of Plicated Laparoscopic Adjustable Gastric Banding Start of enrollment: 2013 Sep 01
Terminated
Not Applicable
Bone Metabolism After Bariatric Surgery Start of enrollment: 2013 May 01
Completed
Changes in Gut Hormones, Body Composition and Energy Expenditure After Roux-en-Y Start of enrollment: 2014 Jan 01
Completed
Not Applicable
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Publications & Presentations

PubMed

The effect of bariatric surgery on ischemic stroke risk
Michael D. Williams, Seungjun Kim, Marc A. Sarran, Syed I. Khalid, Adan Z. Becerra, Alfonso Torquati, Philip Omotosho> ;Surgery for Obesity and Related Diseases. 2021 Sep 10
1 citations
Metabolic profiles, energy expenditures, and body compositions of the weight regain versus sustained weight loss patients who underwent Roux-en-Y gastric bypass
Prapimporn Chattranukulchai Shantavasinkul, Phillip Omotosho, Michael J. Muehlbauer, Michael J. Natoli, Leonor Corsino, Jenny Tong, Dana Portenier, Alfonso Torquati> ;Surgery for Obesity and Related Diseases. 2021 Sep 10
Disruption in general surgery: Randomized controlled trials and changing paradigms
Michael D. Williams, Miles W. Grunvald, Nicholas J. Skertich, Dana M. Hayden, Cristina O'Donoghue, Alfonso Torquati, Adan Z. Becerra> ;Surgery. 2021 Jul 30
Social determinants of health and their impact on rates of postoperative complications among patients undergoing vertical sleeve gastrectomy.
Syed I. Khalid, Samantha Maasarani, Rachyl M Shanker, Adan Z. Becerra, Philip Omotosho, Alfonso Torquati> ;Surgery. 2021 Jul 21
2 citations
Association of Bariatric Surgery and Risk of Cancer in Patients with Morbid Obesity.
Syed I. Khalid, Samantha Maasarani, Julia Wiegmann, Aaron L. Wiegmann, Adan Z. Becerra, Phillip Omotosho, Alfonso Torquati> ;Annals of Surgery. 2021 Jun 25
1 citations
Roux-en-Y gastric bypass decreases serum inflammatory markers and cardiovascular risk factors in obese diabetics
Isolina Rossi, Philip Omotosho, Jennifer Poirier, Anna Spagnoli, Alfonso Torquati> ;Surgery. 2021 Mar 1
1 citations
Laparoscopic-Assisted Versus Mini-Open Laparotomy for Ventriculoperitoneal Shunt Placement in the Medicare Population.
Syed I. Khalid, Ravi S. Nunna, Samantha Maasarani, Rachyl M Shanker, Mandana Behbahani, Corbin P Edmondson, Ankit I. Mehta, Samir Gupta, Edie Y. Chan, Alfonso Torquati...> ;Neurosurgery. 2021 Mar 15
5 citations
The top 100 most disruptive publications in academic surgery journals: 1954-2014.
Adan Z. Becerra, Christopher T. Aquina, Dana M. Hayden, Alfonso Torquati> ;American Journal of Surgery. 2021 Mar 1
2 citations
The Impact of Perioperative Antibiotic Prophylaxis on Weight Loss Following Laparoscopic Sleeve Gastrectomy
Richard A. Jacobson, Samantha Terranella, Connor Booker, Syed I. Khalid, Alfonso Torquati, Philip Omotosho> ;Journal of Laparoendoscopic & Advanced Surgical Techniques. 2020 Sep 11
11 citations
Association of Bariatric Surgery With Risk of Fracture in Patients With Severe Obesity
Syed I. Khalid, Philip Omotosho, Anna Spagnoli, Alfonso Torquati> ;JAMA network open. 2020 Jun 1
9 citations
Determining changes in bone metabolism after bariatric surgery in postmenopausal women.
Andrew R. Luhrs, Gerardo Davalos, Reginald Lerebours, Jin Yoo, Chan Park, Lawrence E. Tabone, Philip Omotosho, Alfonso Torquati, Dana Portenier, Alfredo D. Guerron> ;Surgical Endoscopy and Other Interventional Techniques. 2020 Apr 1
6 citations
Racial Disparity in 30-Day Outcomes of Metabolic and Bariatric Surgery
Haleh Amirian, Alfonso Torquati, Philip Omotosho> ;Obesity Surgery. 2020 Mar 1
4 citations
Effects of Roux-en-Y Gastric Bypass on Osteoclast Activity and Bone Density in Morbidly Obese Patients with Type 2 Diabetes
Laurel L. Tangalakis, Lawrence E. Tabone, Anna Spagnoli, Mike J. Muehlbauer, Philip Omotosho, Alfonso Torquati> ;Obesity Surgery. 2020 Jan 1
3 citations
Perioperative changes in prouroguanylin hormone response in severely obese subjects after bariatric surgery.
Alfonso Torquati, Prapimporn Chattranukulchai Shantavasinkul, Philip Omotosho, Leonor Corsino, Anna Spagnoli> ;Surgery. 2019 Aug 29
22 citations
Wnt signaling in bone, kidney, intestine, and adipose tissue and interorgan interaction in aging
Di Chen, Rong Xie, Bing Shu, Alan L. Landay, Changli Wei, Jochen Reiser, Anna Spagnoli, Alfonso Torquati, Christopher B. Forsyth, Ali Keshavarzian, D. Rick Sumner> ;Annals of the New York Academy of Sciences. 2019 Apr 1
18 citations
Short-Term Outcomes of Conversion of Failed Gastric Banding to Laparoscopic Sleeve Gastrectomy or Roux-En-Y Gastric Bypass: a Meta-Analysis
Randal Zhou, Jennifer Poirier, Alfonso Torquati, Philip Omotosho> ;Obesity Surgery. 2019 Feb 1
11 citations
Improvement in insulin resistance after gastric bypass surgery is correlated with a decline in plasma 2-hydroxybutyric acid
Prapimporn Chattranukulchai Shantavasinkul, Michael J. Muehlbauer, James R. Bain, Olga Ilkayeva, Damian M. Craig, Christopher B. Newgard, Laura P. Svetkey, Svati H. Sh...> ;Surgery for Obesity and Related Diseases. 2018 Aug 1
12 citations
Predictors of Increased Length of Hospital Stay Following Laparoscopic Sleeve Gastrectomy from the National Surgical Quality Improvement Program.
Reid Fletcher, Rebecca A. Deal, John C. Kubasiak, Alfonso Torquati, Philip Omotosho> ;Journal of Gastrointestinal Surgery. 2018 Feb 1
8 citations
Understanding intestinal glucose transporter expression in obese compared to non-obese subjects.
Rebecca A. Deal, Yueming Tang, Reid Fletcher, Alfonso Torquati, Philip Omotosho> ;Surgical Endoscopy and Other Interventional Techniques. 2018 Apr 1
Letter to the EditorAuthor’s Response
Alfonso Torquati> ;Surgery for Obesity and Related Diseases. 2017 Jul 1
48 citations
Predictors of weight regain in patients who underwent Roux-en-Y gastric bypass surgery.
Prapimporn Chattranukulchai Shantavasinkul, Philip Omotosho, Leonor Corsino, Dana Portenier, Alfonso Torquati> ;Surgery for Obesity and Related Diseases. 2015 Nov 1
44 citations
Gastric Bypass Surgery Leads to Long-term Remission or Improvement of Type 2 Diabetes and Significant Decrease of Microvascular and Macrovascular Complications.
Yijun Chen, Leonor Corsino, Prapimporn Chattranukulchai Shantavasinkul, John Grant, Dana Portenier, Laura Ding, Alfonso Torquati> ;Annals of Surgery. 2016 Jun 1
17 citations
Post-gastric bypass hypoglycaemia: a review
Prapimporn Ch Shantavasinkul, Alfonso Torquati, Leonor Corsino> ;Clinical Endocrinology. 2016 Jul 1
3 citations
Predictors of long-term success after laparoscopic Roux-en-Y gastric bypass in African-American women.
Philip Omotosho, Joel A. Rodriguez, Kunoor Jain-Spangler, Alessandro Mor, Alfonso Torquati> ;Surgery for Obesity and Related Diseases. 2016 Feb 1
10 citations
Gastric bypass significantly improves quality of life in morbidly obese patients with type 2 diabetes.
Philip Omotosho, Alessandro Mor, Prapimporn Chattranukulchai Shantavasinkul, Leonor Corsino, Alfonso Torquati> ;Surgical Endoscopy and Other Interventional Techniques. 2016 Jan 28
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Journal Articles

Short-Term Outcomes of Conversion of Failed Gastric Banding to Laparoscopic Sleeve Gastrectomy or Roux-en-Y Gastric Bypass: A Meta-Analysis
Randal Zhou, Alfonso Torquati, Philip Omotosho, Obesity Surgery

Lectures

Selection and Medical Management of Weight Loss Surgery Patients
Duke University School of Medicine, Raleigh, North Carolina - 6/15/2013
Circulating Branched-Chain Amino Acids and Irisin Level in Morbid Obese Individual with Type 2 Diabetes (T2DM) after Roux-en-y Gastric Bypass (RYGB)
Durham, NC - 6/15/2014

Press Mentions

Weight Loss Surgeon Explains Lap-Band SurgeryMay 7th, 2013
Duke SurgeryDecember 7th, 2019

Grant Support

Impact Of Gastric Bypass Surgery On Risk Of CVD In Type 2 Diabetes MellitusNational Institute Of Diabetes And Digestive And Kidney Diseases2008–2009
Impact Of Gastric Bypass Surgery On Risk Of CVD In Type 2 Diabetes MellitusNational Institute Of Diabetes And Digestive And Kidney Diseases2006–2007