Michael A Schweitzer

Associate Professor

19962019
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Research Output 1996 2019

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2019

A Real-World, Insurance-Based Algorithm Using the Two-Fold Running Suture Technique for Transoral Outlet Reduction for Weight Regain and Dumping Syndrome After Roux-En-Y Gastric Bypass

Fayad, L., Schweitzer, M. A., Raad, M., Simsek, C., Oleas, R., Dunlap, M. K., Shah, T., Doshi, J., El Asmar, M., Oberbach, A., Singh, V., Steele, K., Magnussen, T., Kalloo, A. N., Khashab, M. & Kumbhari, V., Jan 1 2019, In : Obesity Surgery.

Research output: Contribution to journalArticle

Dumping Syndrome
Suture Techniques
Gastric Bypass
Insurance
Weight Loss
Bariatric Surgery
Weight Loss
Obesity
Gastric Bypass
Metabolic Diseases
Body Composition
Weight Loss
Gastric Bypass
Intra-Abdominal Fat
Stomach
Cytokine Receptors
Bariatric Surgery
Chemokine Receptors
Surgery
Obesity

Implementation of an enhanced recovery program for bariatric surgery

Taylor, J., Canner, J., Cronauer, C., Prior, D., Coker, A., Nguyen, H., Magnuson, T., Adrales, G. & Schweitzer, M., Jan 1 2019, In : Surgical endoscopy.

Research output: Contribution to journalArticle

Bariatric Surgery
Costs and Cost Analysis
Length of Stay
Nursing Staff
Logistic Models

Mobilization of Environmental Toxicants Following Bariatric Surgery

Brown, R. H., Ng, D. K., Steele, K., Schweitzer, M. & Groopman, J. D., Nov 1 2019, In : Obesity. 27, 11, p. 1865-1873 9 p.

Research output: Contribution to journalArticle

Open Access
Bariatric Surgery
Weight Loss
Polychlorinated Biphenyls
Pesticides
Halogenated Diphenyl Ethers

Obesity is associated with copper elevation in serum and tissues

Yang, H., Liu, C. N., Wolf, R., Ralle, M., Dev, S., Pierson, H., Askin, F. B., Steele, K., Magnuson, T., Schweitzer, M. A., Wong, G. W. & Lutsenko, S., Aug 1 2019, In : Metallomics. 11, 8, p. 1363-1371 9 p.

Research output: Contribution to journalArticle

Copper
Obesity
Tissue
Serum
Leptin

Providing complex GI surgical care with minimally invasive approaches: a survey of the practice patterns of Fellowship Council alumni

Weis, J. J., Alseidi, A. A., Jeyarajah, D. R., Schweitzer, M. A., Hori, Y., Cheung, V. & Scott, D. J., Jan 1 2019, (Accepted/In press) In : Surgical endoscopy.

Research output: Contribution to journalArticle

Minimally Invasive Surgical Procedures
Bariatrics
Endoscopy
Surveys and Questionnaires
Colorectal Surgery

Safety and Efficacy of Endoscopically Secured Fully Covered Self-Expandable Metallic Stents (FCSEMS) for Post-Bariatric Complex Stenosis

Fayad, L., Simsek, C., Oleas, R., Ichkhanian, Y., Fayad, G. E., Ngamreungphong, S., Schweitzer, M. A., Oberbach, A., Kalloo, A. N., Khashab, M. & Kumbhari, V., Jan 1 2019, In : Obesity Surgery.

Research output: Contribution to journalArticle

Bariatrics
Stents
Pathologic Constriction
Safety
Stomach

Secured Lumen-Apposing Fully Covered Metallic Stents for Stenoses in Post-Bariatric Surgery Patients

Simsek, C., Ichkhanian, Y., Fayad, L., Steele, K. E., Schweitzer, M. A., Lamond, K., Vosoughi, K., Doshi, J., Shah, T., Oberbach, A., Al-Sabban, A., Gandsas, A., Kalloo, A. N., Khashab, M. A. & Kumbhari, V., Jan 1 2019, In : Obesity Surgery.

Research output: Contribution to journalArticle

Bariatric Surgery
Stents
Pathologic Constriction
Bariatrics
Foreign Bodies
2018

Endoscopic Management of Recalcitrant Marginal Ulcers by Covering the Ulcer Bed

Barola, S., Fayad, L., Hill, C., Magnuson, T., Schweitzer, M. A., Singh, V., Chen, Y. I., Ngamruengphong, S., Khashab, M., Kalloo, A. N. & Kumbhari, V., Mar 19 2018, (Accepted/In press) In : Obesity Surgery. p. 1-9 9 p.

Research output: Contribution to journalArticle

Peptic Ulcer
Ulcer
Reoperation
Abdominal Pain
Sucralfate

Endoscopic sleeve gastroplasty versus laparoscopic sleeve gastrectomy: a case-matched study

Fayad, L., Adam, A., Schweitzer, M. A., Cheskin, L. J., Ajayi, T., Dunlap, M., Badurdeen, D., Hill, C., Paranji, N., Lalezari, S., Kalloo, A. N., Khashab, M. & Kumbhari, V., Jan 1 2018, (Accepted/In press) In : Gastrointestinal Endoscopy.

Research output: Contribution to journalArticle

Gastroplasty
Gastrectomy
Gastroesophageal Reflux
Weight Loss
Stomach
Propensity Score
Bariatric Surgery
Gastric Bypass
Accreditation
Robotics
Bariatric Surgery
Hypoglycemia
Incidence
Gastric Bypass
Hypoglycemic Agents
2017

An Algorithmic Approach to the Management of Gastric Stenosis Following Laparoscopic Sleeve Gastrectomy

Agnihotri, A., Barola, S., Hill, C., Neto, M. G., Campos, J., Singh, V., Schweitzer, M. A., Khashab, M. & Kumbhari, V., May 3 2017, (Accepted/In press) In : Obesity Surgery. p. 1-9 9 p.

Research output: Contribution to journalArticle

Gastrectomy
Stomach
Pathologic Constriction
Dilatation
Gastric Bypass

CTRP7 deletion attenuates obesity-linked glucose intolerance, adipose tissue inflammation, and hepatic stress

Petersen, P. S., Lei, X., Wolf, R., Rodriguez, S., Tan, S. Y., Little, H. C., Schweitzer, M. A., Magnuson, T., Steele, K. & Wong, G. W., Apr 1 2017, In : American Journal of Physiology - Endocrinology and Metabolism. 312, 4, p. E309-E325

Research output: Contribution to journalArticle

Glucose Intolerance
Adipose Tissue
Obesity
Inflammation
Liver

Demonstration of transoral gastric outlet reduction: 2-fold running suture technique

Barola, S., Schweitzer, M. A., Chen, Y. I., Ngamruengphong, S., Khashab, M. & Kumbhari, V., Jan 1 2017, In : VideoGIE. 2, 1, p. 2-3 2 p.

Research output: Contribution to journalArticle

Suture Techniques
Stomach

Endoscopic Suturing for Massively Bleeding Marginal Ulcer 10 days Post Roux-en-Y Gastric Bypass

Barola, S., Magnuson, T., Schweitzer, M. A., Chen, Y. I., Ngamruengphong, S., Khashab, M. & Kumbhari, V., Feb 28 2017, (Accepted/In press) In : Obesity Surgery. p. 1-3 3 p.

Research output: Contribution to journalArticle

Gastric Bypass
Peptic Ulcer
Hemorrhage
Ulcer
Hematemesis

Inversion Technique for the Removal of Partially Covered Self-Expandable Metallic Stents

Hill, C., Khalil, B. K., Barola, S., Agnihotri, A., Moran, R. A., Chen, Y. I., Ngamruengphong, S., Singh, V., Frame, L. A., Schweitzer, M. A., Magnuson, T., Khashab, M., Okolo, P. I. & Kumbhari, V., Jul 10 2017, (Accepted/In press) In : Obesity Surgery. p. 1-8 8 p.

Research output: Contribution to journalArticle

Gastric Bypass
Gastrectomy
Pathologic Constriction
Stents
Self Expandable Metallic Stents

Outcomes of Partnered Individuals Undergoing Bariatric Surgery Together: A Single Institution Case Series

Mehta, A., Hutfless, S., Blair, A. B., Karcher, M., Nasatka, S., Schweitzer, M. A., Magnuson, T. & Nguyen, H., Aug 1 2017, In : Obesity Surgery. 27, 8, p. 2207-2210 4 p.

Research output: Contribution to journalArticle

Bariatric Surgery
Weight Loss
Weights and Measures
Bariatrics
Critical Pathways
Bariatric Surgery
C-Peptide
Type 1 Diabetes Mellitus
Type 2 Diabetes Mellitus
Diabetic Ketoacidosis
Bariatric Surgery
Hypoglycemia
Weights and Measures
Odds Ratio
Confidence Intervals
2016
Surgery
Weight Loss
Obesity
Bariatric Surgery
Proteins

Endoscopic Management of Bariatric Surgery Complications

Cai, J. X., Schweitzer, M. A. & Kumbhari, V., Jan 13 2016, (Accepted/In press) In : Surgical Laparoscopy, Endoscopy and Percutaneous Techniques.

Research output: Contribution to journalArticle

Bariatric Surgery
Bezoars
Choledocholithiasis
Premature Mortality
Surgical Instruments

GERD Is Associated with Higher Long-Term Reoperation Rates After Bariatric Surgery

Obeid, T., Krishnan, A., Abdalla, G., Schweitzer, M. A., Magnuson, T. & Steele, K., Jan 1 2016, In : Journal of Gastrointestinal Surgery. 20, 1, p. 119-124 6 p.

Research output: Contribution to journalArticle

Bariatric Surgery
Gastroesophageal Reflux
Reoperation
Length of Stay
Gastric Bypass

Pharyngeal collapsibility during sleep is elevated in insulin-resistant females with morbid obesity

Llanos, O. L., Galiatsatos, P., Guzmán-Vélez, E., Patil, S., Smith, P. L., Magnuson, T., Schweitzer, M. A., Steele, K., Polotsky, V. & Schwartz, A. R., Jun 1 2016, In : European Respiratory Journal. 47, 6, p. 1718-1726 9 p.

Research output: Contribution to journalArticle

Morbid Obesity
Sleep Apnea Syndromes
Sleep
Insulin
Pressure

Treatment for Vitamin D Deficiency Prior to Bariatric Surgery: a Prospective Cohort Study

Peterson, L. A., Cheskin, L. J., Schweitzer, M. A., Magnuson, T. & Steele, K., Mar 4 2016, (Accepted/In press) In : Obesity Surgery. p. 1-4 4 p.

Research output: Contribution to journalArticle

Vitamin D Deficiency
Bariatric Surgery
Cohort Studies
Prospective Studies
Therapeutics
2015

Assessment of postdischarge complications after bariatric surgery: A National Surgical Quality Improvement Program analysis

Chen, S. Y., Stem, M., Schweitzer, M. A., Magnuson, T. & Lidor, A. O., Sep 1 2015, In : Surgery. 158, 3, p. 777-786 10 p.

Research output: Contribution to journalArticle

Bariatric Surgery
Quality Improvement
Patient Readmission
Morbid Obesity
Bariatrics
Citalopram
Gastric Bypass
Pharmaceutical Preparations
Serotonin Uptake Inhibitors
Depressive Disorder

Early hospital readmission after bariatric surgery

Aman, M. W., Stem, M., Schweitzer, M. A., Magnuson, T. & Lidor, A. O., Oct 19 2015, (Accepted/In press) In : Surgical Endoscopy and Other Interventional Techniques.

Research output: Contribution to journalArticle

Patient Readmission
Bariatric Surgery
Gastric Bypass
Bariatrics
Gastrectomy

Effect of mandatory centers of excellence designation on demographic characteristics of patients who undergo bariatric surgery

Bae, J., Shade, J., Abraham, A., Abraham, B., Peterson, L., Schneider, E. B., Magnuson, T., Schweitzer, M. A. & Steele, K., Jul 1 2015, In : JAMA Surgery. 150, 7, p. 644-648 5 p.

Research output: Contribution to journalArticle

Bariatric Surgery
Demography
Certification
Bariatrics
Medicaid

Endoscopic management of bariatric surgical complications

Kumbhari, V., Cai, J. X. & Schweitzer, M. A., Aug 24 2015, In : Current Opinion in Gastroenterology. 31, 5, p. 359-367 9 p.

Research output: Contribution to journalArticle

Bariatrics
Bariatric Surgery
Endoscopy
Obesity
Precipitating Factors

Endoscopic management of stomal stenosis after Roux-en-Y gastric bypass

Kumbhari, V., Tieu, A. H., Ngamruengphong, S., Aguila, G., Schweitzer, M. A., Khashab, M. & Singh, V., Oct 1 2015, In : Gastrointestinal Endoscopy. 82, 4, p. 747 1 p.

Research output: Contribution to journalArticle

Surgical Stomas
Jejunal Diseases
Stomach Diseases
Gastroscopy
Gastric Bypass

Long-term quality of life and risk factors for recurrence after laparoscopic repair of paraesophageal hernia

Lidor, A. O., Steele, K., Stem, M., Fleming, R. M., Schweitzer, M. A. & Marohn, M., May 1 2015, In : JAMA Surgery. 150, 5, p. 424-431 8 p.

Research output: Contribution to journalArticle

Hiatal Hernia
Quality of Life
Recurrence
Gastroesophageal Reflux
Gastric Fundus
cross-sectional studies
obesity
Obesity
Cross-Sectional Studies
body mass index

Lysyl oxidase as a serum biomarker of liver fibrosis in patients with severe obesity and obstructive sleep Apnea

Mesarwi, O. A., Shin, M-K., Drager, L. F., Bevans-Fonti, S., Jun, J., Putcha, N., Torbenson, M. S., Pedrosa, R. P., Lorenzi-Filho, G., Steele, K., Schweitzer, M. A., Magnuson, T., Lidor, A. O., Schwartz, A. R. & Polotsky, V., Oct 1 2015, In : Sleep. 38, 10, p. 1583-1591B

Research output: Contribution to journalArticle

Protein-Lysine 6-Oxidase
Morbid Obesity
Obstructive Sleep Apnea
Liver Cirrhosis
Biomarkers

Malnutrition in Bariatric Surgery Candidates: Multiple Micronutrient Deficiencies Prior to Surgery

Peterson, L. A., Cheskin, L. J., Furtado, M., Papas, K., Schweitzer, M. A., Magnuson, T. & Steele, K., Aug 22 2015, (Accepted/In press) In : Obesity Surgery.

Research output: Contribution to journalArticle

Bariatric Surgery
Micronutrients
Malnutrition
Comorbidity
Bariatrics

Novel technique for the management of staple line leaks after sleeve gastrectomy

Kumbhari, V., Tieu, A. H., Cai, J. X., Okolo, P. I., Schweitzer, M. A. & Khashab, M., Oct 1 2015, In : Gastrointestinal Endoscopy. 82, 4, p. 748 1 p.

Research output: Contribution to journalArticle

Anastomotic Leak
Gastrointestinal Endoscopy
Gastrectomy
Laparoscopy
Self Expandable Metallic Stents

Preoperative warm-up the key to improved resident technique: a randomized study

Moran-Atkin, E., Abdalla, G., Chen, C. C. G., Magnuson, T., Lidor, A. O., Schweitzer, M. A. & Steele, K., Apr 8 2015, In : Surgical Endoscopy and Other Interventional Techniques. 29, 5, p. 1057-1063 7 p.

Research output: Contribution to journalArticle

Motor Skills
Research Ethics Committees
Internship and Residency
Curriculum
Students
Bariatric Surgery
Hypertension
Fatty Liver
Metabolome
Hypertriglyceridemia

Prevalence of and risk factors for hypoglycemic symptoms after gastric bypass and sleeve gastrectomy

Lee, C., Clark, J., Schweitzer, M. A., Magnuson, T., Steele, K., Koerner, O. & Brown, T. T., May 1 2015, In : Obesity. 23, 5, p. 1079-1084 6 p.

Research output: Contribution to journalArticle

Gastric Bypass
Gastrectomy
Hypoglycemic Agents
Hypoglycemia
Bariatric Surgery

The diagnostic accuracy of magnetic resonance venography in the detection of deep venous thrombosis: A systematic review and meta-analysis

Abdalla, G., Fawzi Matuk, R., Venugopal, V., Verde, F., Magnuson, T., Schweitzer, M. A. & Steele, K., 2015, In : Clinical Radiology. 70, 8, p. 858-871 14 p.

Research output: Contribution to journalArticle

Phlebography
Venous Thrombosis
Meta-Analysis
Magnetic Resonance Spectroscopy
Confidence Intervals

The effect of warm-up on surgical performance: a systematic review

Abdalla, G., Moran-Atkin, E., Chen, C. C. G., Schweitzer, M. A., Magnuson, T. & Steele, K., Jun 1 2015, In : Surgical Endoscopy and Other Interventional Techniques. 29, 6, p. 1259-1269 11 p.

Research output: Contribution to journalArticle

Psychomotor Performance
Operative Surgical Procedures
Music
Medical Students
PubMed
Bariatrics
Enoxaparin
Venous Thrombosis
Phlebography
Bariatric Surgery

Vitamin D status and supplementation before and after bariatric surgery: A comprehensive literature review

Peterson, L. A., Zeng, X., Caufield-Noll, C. P., Schweitzer, M. A., Magnuson, T. & Steele, K., Oct 8 2015, (Accepted/In press) In : Surgery for Obesity and Related Diseases.

Research output: Contribution to journalArticle

Vitamin D Deficiency
Bariatric Surgery
Vitamin D
Bariatrics
Gastric Bypass
2014

A single institutional comparison of endoscopic and open abdominal component separation

Azoury, S. C., Dhanasopon, A. P., Hui, X., De La Cruz, C., Tuffaha, S., Sacks, J. M., Hirose, K., Magnuson, T., Liao, C., Lovins, M., Schweitzer, M. A. & Nguyen, H., 2014, In : Surgical Endoscopy and Other Interventional Techniques. 28, 12, p. 3349-3358 10 p.

Research output: Contribution to journalArticle

Herniorrhaphy
Ventral Hernia
Operative Time
Wounds and Injuries
Hernia

Hospital-acquired conditions after bariatric surgery: we can predict, but can we prevent?

Lidor, A. O., Moran-Atkin, E., Stem, M., Magnuson, T., Steele, K., Feinberg, R. & Schweitzer, M. A., 2014, In : Surgical Endoscopy and Other Interventional Techniques. 28, 12, p. 3285-3292 8 p.

Research output: Contribution to journalArticle

Iatrogenic Disease
Bariatric Surgery
Surgical Wound Infection
Venous Thromboembolism
Urinary Tract Infections
2013
Jejunal Diseases
Jejunostomy
Gastric Bypass
Intestinal Obstruction
Laparoscopy

Defining recurrence after paraesophageal hernia repair: Correlating symptoms and radiographic findings

Lidor, A. O., Kawaji, Q., Stem, M., Fleming, R. M., Schweitzer, M. A., Steele, K. & Marohn, M., Aug 2013, In : Surgery. 154, 2, p. 171-178 8 p.

Research output: Contribution to journalArticle

Hiatal Hernia
Herniorrhaphy
Recurrence
Hernia
Quality of Life

Endoscopic suturing for transoral outlet reduction increases weight loss after Roux-en-Y gastric bypass surgery

Thompson, C. C., Chand, B., Chen, Y. K., Demarco, D. C., Miller, L., Schweitzer, M. A., Rothstein, R. I., Lautz, D. B., Slattery, J., Ryan, M. B., Brethauer, S., Schauer, P., Mitchell, M. C., Starpoli, A., Haber, G. B., Catalano, M. F., Edmundowicz, S., Fagnant, A. M., Kaplan, L. M. & Roslin, M. S., Jul 2013, In : Gastroenterology. 145, 1

Research output: Contribution to journalArticle

Gastric Bypass
Weight Loss
Confidence Intervals
Blood Pressure
Weights and Measures