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Impedance planimetry (EndoFLIP) assisted laparoscopic esophagomyotomy in pediatric population

  • Amy A. Howk
    Correspondence
    Corresponding author at: 1405 Clifton Road, NE, Atlanta, GA 30322.
    Affiliations
    Emory-Children's Pediatric Institute, Division of Pediatric Surgery, Department of Surgery, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, GA, United States
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  • Matthew S. Clifton
    Affiliations
    Emory-Children's Pediatric Institute, Division of Pediatric Surgery, Department of Surgery, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, GA, United States
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  • Jose M. Garza
    Affiliations
    Neurogastroenterology and Motility Program, Children's Healthcare of Atlanta, Atlanta, GA, United States
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  • Megan M. Durham
    Affiliations
    Emory-Children's Pediatric Institute, Division of Pediatric Surgery, Department of Surgery, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, GA, United States
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      Abstract

      Introduction

      Functional lumen imaging probe (EndoFLIP) is a diagnostic technology that assesses esophageal cross-sectional area via impedance planimetry during controlled volumetric distention. The purpose of this study is to evaluate the utility of EndoFLIP intraoperatively during laparoscopic esophagomyotomy.

      Methods

      We performed a retrospective cohort study reviewing all patients undergoing EndoFLIP assisted laparoscopic esophagomyotomy for achalasia between January and December 2021 (n = 10). Twenty-two patients with achalasia that underwent traditional laparoscopic esophagomyotomy between July 2014 and September 2019 served as a comparison. Primary outcome evaluated was resolution of symptoms at discharge. Secondary outcomes included change in distensibility index (DI), operative time, length of stay, time to regular diet, and reinterventions.

      Results

      All patients managed with EndoFLIP assistance had resolution of dysphagia and postprandial vomiting following intervention. Mean change in DI was 5.32 mm2/mmHg with a myotomy length of 3.6 cm. Operative time was shorter in the EndoFLIP cohort (97 min versus 185 min, p = <0.001). Study patients did not undergo an antireflux operation. There was no difference in length of stay or time to soft diet between groups. All patients were discharged on postoperative day 1 tolerating a mechanical soft diet. No acid suppressive medications were prescribed during the observation period. One patient required dilation for recurrent symptoms and one required reoperation for mucosal leak.

      Conclusion

      EndoFLIP assisted laparoscopic esophagomyotomy results in similar short-term outcomes to traditional surgical technique. EndoFLIP allows for focused myotomy length and a shorter operative time.
      Level of evidence: III

      Keywords

      Abbreviations:

      EGJ (Esophagogastric junction), DJ (Diesophagogastric junction), DI (Distensibility index), FLIP (Functional luminal imaging probe), CSA (Cross sectional area)
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