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Endoscopy 2019; 51(01): 40-49
DOI: 10.1055/a-0628-6639
Original article
© Georg Thieme Verlag KG Stuttgart · New York

Peroral endoscopic pyloromyotomy is efficacious and safe for refractory gastroparesis: prospective trial with assessment of pyloric function

Jérémie Jacques
1   Service de Gastroentérologie, CHU Limoges, Limoges, France
2   CNRS, XLIM, UMR 7252, Limoges, France
,
Lauriane Pagnon
1   Service de Gastroentérologie, CHU Limoges, Limoges, France
,
Florent Hure
3   Service de Biostatistiques, CHU Limoges, Limoges, France
,
Romain Legros
1   Service de Gastroentérologie, CHU Limoges, Limoges, France
,
Sabrina Crepin
4   Unité de Vigilance des Essais Cliniques, CHU Limoges, Limoges, France
,
Anne-Laure Fauchais
5   Service de Médecine Interne, CHU Limoges, Limoges, France
,
Sylvain Palat
5   Service de Médecine Interne, CHU Limoges, Limoges, France
,
Philippe Ducrotté
6   Service de Gastroentérologie et Physiologie Digestive, CHU Charles Nicolle, Rouen, France
,
Benoit Marin
3   Service de Biostatistiques, CHU Limoges, Limoges, France
,
Sebastien Fontaine
7   Service de Diabétologie, CHU Toulouse, Toulouse, France
,
Nour Edine Boubaddi
8   Service de Gastroentérologie, CH Brive-la-Gaillarde, Brive-la-Gaillarde, France
,
Marie-Pierre Clement
9   Service de Diabétologie, CHU Limoges, Limoges, France
,
Denis Sautereau
1   Service de Gastroentérologie, CHU Limoges, Limoges, France
,
Veronique Loustaud-Ratti
1   Service de Gastroentérologie, CHU Limoges, Limoges, France
,
Guillaume Gourcerol
6   Service de Gastroentérologie et Physiologie Digestive, CHU Charles Nicolle, Rouen, France
,
Jacques Monteil
10   Service de Médecine Nucléaire, CHU Limoges, Limoges, France
› Author AffiliationsTRIAL REGISTRATION: Experimental study: prospective, single-center, pilot study NCT02779920 at clinicaltrials.gov
Further Information

Publication History

submitted 21 December 2017

accepted after revision 19 April 2018

Publication Date:
12 June 2018 (online)

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Abstract

Background Gastroparesis is a functional disorder with a variety of symptoms that is characterized by delayed gastric emptying in the absence of mechanical obstruction. A recent series of retrospective studies has demonstrated that peroral endoscopic pyloromyotomy (G-POEM) is a promising endoscopic procedure for treating patients with refractory gastroparesis. The aim of this prospective study was to evaluate the feasibility, safety, and efficacy of G-POEM.

Methods 20 patients with refractory gastroparesis (10 diabetic and 10 nondiabetic) were prospectively included in the trial. Patients were treated by G-POEM after evaluation of pyloric function using an endoscopic functional luminal imaging probe. Clinical responses were evaluated using the Gastroparesis Cardinal Symptom Index (GCSI), and quality of life was assessed using the Patient Assessment of Upper Gastrointestinal Disorders – Quality of Life scale and the Gastrointestinal Quality of Life Index scores. Gastric emptying was measured using 4-hour scintigraphy before G-POEM and at 3 months.

Results Feasibility of the procedure was 100 %. Compared with baseline values, G-POEM significantly improved symptoms (GCSI: 1.3 vs. 3.5; P < 0.001), quality of life, and gastric emptying (T½: 100 vs. 345 minutes, P < 0.001; %H2: 56.0 % vs. 81.5 %, P < 0.001; %H4: 15.0 % vs. 57.5 %, P = 0.003) at 3 months. The clinical success of G-POEM using the functional imaging probe inflated to 50 mL had specificity of 100 % and sensitivity of 72.2 % (P = 0.04; 95 % confidence interval 0.51 – 0.94; area under the curve 0.72) at a distensibility threshold of 9.2 mm2/mmHg.

Conclusion G-POEM was efficacious and safe for treating refractory gastroparesis, especially in patients with low pyloric distensibility.

 

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