Abstract
The LINX device consists of a “bracelet” of magnetic beads in titanium cases, connected by individual wires placed noncompressively around the distal esophagus during laparoscopic surgery. This augments the native lower esophageal sphincter’s (LES) ability to resist reflux by increasing yield pressure and resisting shortening of the LES. Magnetic sphincter augmentation (MSA) was conceived as a safe, stomach sparing, minimally invasive, reversible implantable device for patients seeking an alternative to laparoscopic Nissen fundoplication. Though initially studied in patients with limited hiatal hernias, its use has expanded to include patients with large and even giant or paraesophageal hernias with excellent results. The author’s techniques of complete esophageal dissection, precise hiatal repair, current concepts on noncompressive sizing and placement of the MSA device are reviewed in this article. MSA can be considered first-line surgical therapy for GERD patients with adequate peristalsis regardless of hernia size.
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