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Leeds SG, Fair L, Rubarth C, Ogola GO, Aladegbami B, Ward MA. Predictability of magnetic sphincter augmentation device explantation: a nomogram-based scoring tool from an experienced quaternary center. J Gastrointest Surg 2024; 28:1325-1329. [PMID: 38754810 DOI: 10.1016/j.gassur.2024.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 05/18/2024]
Abstract
BACKGROUND Magnetic sphincter augmentation (MSA) explantation is an uncommon occurrence, and there are limited studies characterizing factors predictive of MSA explantation. This study aimed to create a nomogram to aid in determining the probability of explantation in patients before MSA implantation. METHODS An institutional review board-approved, prospectively maintained database was retrospectively reviewed for all patients undergoing antireflux surgery between February 2015 and May 2023. All patients who underwent MSA-related procedures were included. Patients were divided into 2 groups, explant group and nonexplant group, and differences were analyzed. A multivariable logistic regression model was fitted to identify independent risk factors for predicting MSA explantation, and a nomogram-based scoring tool was developed. RESULTS There were 227 patients (134 females and 93 males) with a mean age of 51.4 years. The explant group included 28 patients (12.3%), whereas the nonexplant group included 199 patients (87.7%). Patient sociodemographic characteristics, medical comorbidities, preoperative testing results, and surgical history were included in the analysis. The multivariable regression model resulted in 4 significant variables that were included in the nomogram. These included preoperative DeMeester score, preoperative gastroesophageal reflux disease health-related quality of life score, preoperative distal contractile integral value on manometry, and body mass index. Based on these variables, a scoring nomogram was developed with values ranging from 0 to 18. CONCLUSION Our data were used to develop a scoring calculator capable of predicting the probability of MSA explantation. This scoring tool can guide preoperative patient selection and treatment decisions.
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Affiliation(s)
- Steven G Leeds
- Center for Advanced Surgery, Baylor Scott & White University Medical Center, Dallas, Texas, United States; Division of Minimally Invasive Surgery, Baylor Scott & White University Medical Center, Dallas, Texas, United States; Texas A&M School of Medicine, Bryan, Texas, United States.
| | - Lucas Fair
- Baylor Scott & White University Medical Center, Dallas, Texas, United States; Baylor Scott & White Research Institute, Dallas, Texas, United States
| | | | - Gerald O Ogola
- Baylor Scott & White Research Institute, Dallas, Texas, United States
| | - Bola Aladegbami
- Center for Advanced Surgery, Baylor Scott & White University Medical Center, Dallas, Texas, United States; Division of Minimally Invasive Surgery, Baylor Scott & White University Medical Center, Dallas, Texas, United States; Texas A&M School of Medicine, Bryan, Texas, United States
| | - Marc A Ward
- Center for Advanced Surgery, Baylor Scott & White University Medical Center, Dallas, Texas, United States; Division of Minimally Invasive Surgery, Baylor Scott & White University Medical Center, Dallas, Texas, United States; Texas A&M School of Medicine, Bryan, Texas, United States
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Wisniowski P, Putnam LR, Gallagher S, Rawal R, Houghton C, Lipham JC. Short term safety of magnetic sphincter augmentation vs minimally invasive fundoplication: an ACS-NSQIP analysis. Surg Endosc 2024; 38:1944-1949. [PMID: 38334778 PMCID: PMC10978616 DOI: 10.1007/s00464-024-10672-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 12/30/2023] [Indexed: 02/10/2024]
Abstract
PURPOSE Magnetic Sphincter Augmentation (MSA) is an FDA-approved anti-reflux procedure with comparable outcomes to fundoplication. However, most data regarding its use are limited to single or small multicenter studies which may limit the generalizability of its efficacy. The purpose of this study is to evaluate the outcomes of patients undergoing MSA vs fundoplication in a national database. MATERIALS AND METHODS The 2017-2020 American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) Registry was utilized to evaluate patients undergoing MSA or fundoplication. Patients requiring Collis gastroplasty, paraesophageal hernia repair, and emergency cases, were excluded. Patient outcomes included overall complication rates, readmissions, reoperations, and mortality. RESULTS A total of 7,882 patients underwent MSA (n = 597) or fundoplication (n = 7285). MSA patients were younger (51 vs 57, p < 0.001), and more often male (49.6 vs 34.3%, p < 0.001). While patients undergoing MSA experienced similar rates of reoperation (1.0 vs 2.0%, p = 0.095), they experienced fewer readmissions (2.2 vs 4.7%, p = 0.005), complications (0.6 vs 4.0%, p < 0.001), shorter mean (SD) hospital length of stay(days) (0.4 ± 4.3 vs 1.8 ± 4.6, p < 0.001) and operative time(min) (80.8 ± 36.1 vs 118.7 ± 63.7, p < 0.001). Mortality was similar between groups (0 vs 0.3%, p = 0.175). On multivariable analysis, MSA was independently associated with reduced postoperative complications (OR 0.23, CI 0.08 to 0.61, p = 0.002), readmissions (OR 0.53, CI 0.30 to 0.94, p = 0.02), operative time (RC - 36.56, CI - 41.62 to - 31.49. p < 0.001) and length of stay (RC - 1.22, CI - 1.61 to - 0.84 p < 0.001). CONCLUSION In this national database study, compared to fundoplication MSA was associated with reduced postoperative complications, fewer readmissions, and shorter operative time and hospital length of stay. While randomized trials are lacking between MSA and fundoplication, both institutional and national database studies continue to support the use of MSA as a safe anti-reflux operation.
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Affiliation(s)
- Paul Wisniowski
- Division of Upper GI and General Surgery, Department of Surgery, Keck Medical Center of University of Southern California, 1510 San Pablo Street, HCC I, Suite 514, Los Angeles, CA, 90033, USA
| | - Luke R Putnam
- Division of Upper GI and General Surgery, Department of Surgery, Keck Medical Center of University of Southern California, 1510 San Pablo Street, HCC I, Suite 514, Los Angeles, CA, 90033, USA
| | - Shea Gallagher
- Division of Upper GI and General Surgery, Department of Surgery, Keck Medical Center of University of Southern California, 1510 San Pablo Street, HCC I, Suite 514, Los Angeles, CA, 90033, USA
| | - Rushil Rawal
- California University of Science and Medicine, Colton, CA, USA
| | - Caitlin Houghton
- Division of Upper GI and General Surgery, Department of Surgery, Keck Medical Center of University of Southern California, 1510 San Pablo Street, HCC I, Suite 514, Los Angeles, CA, 90033, USA
| | - John C Lipham
- Division of Upper GI and General Surgery, Department of Surgery, Keck Medical Center of University of Southern California, 1510 San Pablo Street, HCC I, Suite 514, Los Angeles, CA, 90033, USA.
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Furay E, Doggett S, Buckley Iii FP. Criteria of patient selection for magnetic sphincter augmentation. Dis Esophagus 2023:6987661. [PMID: 36644894 DOI: 10.1093/dote/doac115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/14/2022] [Indexed: 01/17/2023]
Abstract
This article is an expert review of published literature with the goal of defining the ideal patient selection for Magnetic Sphincter Augmentation (MSA) in Anti-reflux Surgery (ARS). The authors performed a literature search of outcomes after MSA for different patient populations. Although MSA utilization has expanded to include patients with advanced gastroesophageal reflux disease (GERD), obese patients, and patients with a history of bariatric surgery there is still a paucity of data to support its definitive use in these cohorts. We concluded that younger patients with mild/moderate GERD as evidenced by objective studies in conjunction with normal motility on manometry have the most favorable outcomes after MSA. MSA should be avoided in patients with allergies to nickel, titanium, stainless steel, or ferrous materials. As the utilization of MSA in ARS continues to expand and as more robust data emerges the ideal patient for this device will likely expand as well.
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Affiliation(s)
- E Furay
- University of Texas at Austin, Department of Surgery and Perioperative Care, Austin, TX, USA
| | - S Doggett
- University of Texas at Austin, Department of Surgery and Perioperative Care, Austin, TX, USA
| | - F P Buckley Iii
- University of Texas at Austin, Department of Surgery and Perioperative Care, Austin, TX, USA
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Vivek A, Latorre-Rodríguez AR, Mittal SK. Magnetic sphincter augmentation for gastroesophageal reflux in overweight and obese patients. Dis Esophagus 2023:6974776. [PMID: 36617946 DOI: 10.1093/dote/doac104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/29/2022] [Accepted: 12/04/2022] [Indexed: 01/10/2023]
Abstract
Magnetic sphincter augmentation (MSA) is a successful treatment option for chronic gastroesophageal reflux disease; however, there is a paucity of data on the efficacy of MSA in obese and morbidly obese patients. To assess the relationship between obesity and outcomes after MSA, we conducted a literature search using MeSH and free-text terms in MEDLINE, EMBASE, Cochrane and Google Scholar. The included articles reported conflicting results regarding the effect of obesity on outcomes after MSA. Prospective observational studies with larger sample sizes and less statistical bias are necessary to understand the effectiveness of MSA in overweight and obese patients.
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Affiliation(s)
- Anjali Vivek
- Creighton University School of Medicine, Phoenix, AZ, USA
| | | | - Sumeet K Mittal
- Creighton University School of Medicine, Phoenix, AZ, USA.,Norton Thoracic Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ, USA
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Sarici IS, Dunn CP, Eriksson SE, Jobe BA, Ayazi S. Long-term clinical and functional results of magnetic sphincter augmentation. Dis Esophagus 2022:6965898. [PMID: 36585776 DOI: 10.1093/dote/doac109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Indexed: 01/01/2023]
Abstract
Magnetic sphincter augmentation (MSA) was introduced in 2007 as an alternative surgical procedure for patients with gastroesophageal reflux disease (GERD). The majority of data since MSA's introduction has focused on short and intermediate-term results, demonstrating safety and high efficacy in terms of reflux symptom control, freedom from proton pump inhibitor use and normalization of distal esophageal acid exposure. However, GERD is a chronic condition that demands a long-term solution. Limited available data from studies reporting outcomes at 5 years or later following MSA demonstrate that the promising short- and mid-term efficacy and safety profile of MSA remains relatively constant in the long term. Compared with Nissen fundoplication, MSA has a much lower rate of gas-bloat and inability to belch at a short-term follow-up, a difference that persists in the long-term. The most common complaint after MSA at a short-term follow-up is dysphagia. However, limited data suggest dysphagia rates largely decrease by 5 years. Dysphagia is the most common indication for dilation and device removal in both early- and long-term studies. However, the overall rates of dilation and removal are similar in short- and long-term reports, suggesting the majority of these procedures are performed in the short-term period after device implantation. The indications and standard practices of MSA have evolved over time. Long-term outcome data currently available are all from patient cohorts who were selected for MSA under early restricted indications and outdated regimens. Therefore, further long-term studies are needed to corroborate the preliminary, yet encouraging long-term results.
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Affiliation(s)
- Inanc S Sarici
- Esophageal Institute, Department of Surgery, Allegheny Health Network, Pittsburgh, PA, USA
| | - Colin P Dunn
- Esophageal Institute, Department of Surgery, Allegheny Health Network, Pittsburgh, PA, USA
| | - Sven E Eriksson
- Esophageal Institute, Department of Surgery, Allegheny Health Network, Pittsburgh, PA, USA
| | - Blair A Jobe
- Esophageal Institute, Department of Surgery, Allegheny Health Network, Pittsburgh, PA, USA.,Department of Surgery, Drexel University, Philadelphia, PA, USA
| | - Shahin Ayazi
- Esophageal Institute, Department of Surgery, Allegheny Health Network, Pittsburgh, PA, USA.,Department of Surgery, Drexel University, Philadelphia, PA, USA
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