Highlights
- •There is not a current standardized approach to evaluate candidacy for anti-reflux surgery.
- •Marshmallow swallow study (MSS) is a minimally invasive way to evaluate candidacy for anti-reflux procedures.
- •MSS follows trends of high resolution manometry (HRM) results.
Abstract
Backgound
The purpose of our study was to evaluate the use of minimally invasive Marshmallow
Swallow Study (MSS) as a preoperative screening technique for patients and correlate
marshmallow results with High Resolution Manometry (HRM) results and post-operative
dysphagia following antireflux surgery. Methods: A retrospective electronic chart
review of data on 61 adult patients undergoing MSS was completed. Patients were included
if they completed the MSS as well as: HRM and/or antireflux surgery. Results: Sixty-one
patients completed MSS. Of the 37 patients that completed HRM, 27 had abnormal results.
23 of these 27 patients who had abnormal results also failed MSS. The NPV for a failure
on the MSS and abnormal HRM results is 0.767(p-value = 0.360). The PPV for a pass
on the MSS and no post-operative dysphagia is 0.833 (p-value = 0.656). Conclusions:
MSS is an effective screening tool for ruling out major esophageal motility disorders
and can prevent need for invasive HRM.
Keywords
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Article info
Publication history
Published online: October 17, 2022
Accepted:
October 13,
2022
Received in revised form:
October 3,
2022
Received:
March 25,
2022
Identification
Copyright
© 2022 Elsevier Inc. All rights reserved.
