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Endoscopy 2019; 51(01): 10-17
DOI: 10.1055/a-0647-1709
Original article
© Georg Thieme Verlag KG Stuttgart · New York

Screening of esophageal varices in children using esophageal capsule endoscopy: a multicenter prospective study

Jacques Cardey
1   Gastroentérologie, hépatologie, nutrition pédiatrique, Hôpital Necker-Enfants malades, Paris, France
,
Catherine Le Gall
2   Hospices Civils de Lyon, Hôpital Femme Mère Enfant, Hépatologie, gastroentérologie et nutrition pédiatrique, Lyon, France
,
Laurent Michaud
3   Gastroentérologie pédiatrique, CHRU Lille, Lille, France
,
Alain Dabadie
4   Hépatologie, gastroentérologie et nutrition pédiatrique, CHU Hôpital Sud, Rennes, France
,
Cécile Talbotec
1   Gastroentérologie, hépatologie, nutrition pédiatrique, Hôpital Necker-Enfants malades, Paris, France
,
Marc Bellaiche
5   Gastroentérologie et nutrition pédiatrique, Hôpital Robert Debré, Paris, France
,
Thierry Lamireau
6   Gastroentérologie pédiatrique, CHU Bordeaux, Bordeaux, France
,
Emmanuel Mas
7   Gastroentérologie, hépatologie, nutrition, diabétologie pédiatrique, CHU Toulouse, Toulouse, France
,
Laure Bridoux-Henno
4   Hépatologie, gastroentérologie et nutrition pédiatrique, CHU Hôpital Sud, Rennes, France
,
Jerome Viala
5   Gastroentérologie et nutrition pédiatrique, Hôpital Robert Debré, Paris, France
,
Lioara Restier-Miron
2   Hospices Civils de Lyon, Hôpital Femme Mère Enfant, Hépatologie, gastroentérologie et nutrition pédiatrique, Lyon, France
,
Alain Lachaux
2   Hospices Civils de Lyon, Hôpital Femme Mère Enfant, Hépatologie, gastroentérologie et nutrition pédiatrique, Lyon, France
8   Université Cl Bernard Lyon 1, Lyon, France
› InstitutsangabenTRIAL REGISTRATION: Multi-center, single group assignment, prospective study NCT01551966 at clinicaltrials.gov
Weitere Informationen

Publikationsverlauf

submitted 29. September 2017

accepted after revision 04. Juni 2018

Publikationsdatum:
05. September 2018 (online)

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Abstract

Background Esophagogastroduodenoscopy (EGD) is the standard method for diagnosis of esophageal and gastric varices in children. In this prospective study we evaluated the use of PillCam esophageal capsule endoscopy (ECE) in pediatric patients.

Methods Patients aged 7 to 18 years presenting with portal hypertension and/or cirrhosis underwent ECE (PillCam ESO 2, Given Imaging Ltd.) followed by EGD.

Results 102 patients were screened, 81 (52 boys; mean age 13.96 ± 0.25 years) were included and 21 were excluded (16 for “candy test” failure). Esophageal varices were identified by EGD in 62 patients (77 %) and by ECE in 57 patients (70 %) using the de Franchis classification (DFC). The sensitivity of ECE for esophageal varices was 92 % and the specificity was 100 % using DFC. Based upon 57/81 patients with small, medium, and large varices on both ECE and EGD, using DFC, the sensitivity, specificity, positive (PPV) and negative predictive value (NPV) were 55 %, 92 %, 89 %, and 63 %, respectively, giving a total overall accuracy of 72 %. To improve sensitivity and specificity in classification of esophageal varices, we propose using a modified score. This score detected esophageal varices with 100 % sensitivity, 93 % specificity, 94 % PPV, and 100 % NPV, giving a total overall accuracy of 97 %. All patients preferred ECE over EGD. No capsule retention was recorded.

Conclusions ECE is a well-tolerated and safe procedure in children. Using the modified score, the sensitivity of ECE is currently sufficient to detect esophageal varices and replace EGD in infants with suspicion of esophageal varices or when EGD is refused.

 

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