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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