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IMPACTO DA VIDEOCÁPSULA ENDOSCÓPICA NA ABORDAGEM TERAPÊUTICA DA DOENÇA DE CROHN
Isabel Garrido1; Raquel Gonçalves1; Hélder Cardoso1; Patrícia Andrade1; Susana Lopes1; Guilherme Macedo1

A videocápsula endoscópica (VCE) constitui uma ferramenta diagnóstica particularmente útil na avaliação do intestino delgado. O objetivo deste estudo foi avaliar o impacto da VCE na abordagem terapêutica de doentes com doença de Crohn (DC).

CRITÉRIOS DE QUALIDADE NA ENDOSCOPIA DA DOENÇA INFLAMATÓRIA INTESTINAL – UMA INICIATIVA DE MELHORIA DA QUALIDADE
Edgar Afecto1; Ana Ponte1; Joao Correia1; Manuela Estevinho1; Sonia Fernandes1; Adelia Rodrigues1; Ana Paula Silva1; João Silva1; Teresa Freitas1

A doença inflamatória intestinal (DII) extensa e de longa duração acarreta um risco aumentado de cancro colorretal (CCR). Apesar disso, o rastreio do CCR na DII não é uniforme, em parte por ausência de critérios de qualidade validados. Neste sentido, um grupo de experts reviu a evidência e propôs critérios de qualidade neste contexto. Com este trabalho pretendeu-se auditar o cumprimento dos critérios de qualidade propostos na população com DII de um centro terciário.

DEVELOPMENT OF A COMBINED DEEP LEARNING MODEL FOR AUTOMATIC DETECTION OF BLOOD OR HEMATIC RESIDUES IN DEVICE-ASSISTED ENTEROSCOPY USING CONVOLUTIONAL NEURAL NETWORKS
Pedro Marílio Cardoso1,2; Miguel Mascarenhas Saraiva1,2,3; João Afonso1,2; Tiago Ribeiro1,2; João P. S. Ferreira4,5; Hélder Cardoso1,2,3; Patrícia Andrade1,2,3; Guilherme Macedo1,2,3

Device-assisted enteroscopy, and particularly double-balloon enteroscopy (DBE), allow deeper investigation and endoscopic therapy in the small bowel. During these exams, blood or hematic residues are a frequently finding. Recently, many studies have been published regarding the application of artificial intelligence (AI) to different endoscopic modalities. Convolutional Neural Networks (CNN) are a multi-layer AI architecture with high performance levels for image analysis. We aimed to develop a CNN-based algorithm for automatic detection of blood or hematic residues in DBE exams.

ABORDAGEM DAS DEISCÊNCIAS E FÍSTULAS DO TUBO DIGESTIVO COM RECURSO À TERAPÊUTICA ENDOSCÓPICA DE VÁCUO
Nélia Abreu1; Joana Carvão1; Madalena Pestana1; Vítor Pereira1; Luís Jasmins

As complicações associadas as deiscências e fístulas anastomóticas possuem um elevado impacto na morbimortalidade. A terapêutica de vácuo por via endoscópica é atualmente reconhecida como uma importante arma na abordagem e resolução destas complicações.

ENDOSCOPIC SUBMUCOSAL DISSECTION FOR RESECTIONS LARGER THAN 10 CM: OUTCOMES FROM A PORTUGUESE REFERENCE CENTER
Raquel R. Mendes1; Ana Rita Franco1; André Mascarenhas1; Catarina O'neill1; Rui Mendo1; Pedro Barreiro1,2; Liliana Carvalho1; Cristina Chagas1

Endoscopic submucosal dissection (ESD) is a minimally invasive technique to en bloc resect superficial tumors, independently of size. However, for giant gastrointestinal superficial neoplasia, the risk of invasive cancer is higher and ESD is typically challenging. Despite increasing literature on giant resections, data on efficacy and safety is still lacking.

ARGON PLASMA COAGULATION: A HIGH BLEEDING RISK PROCEDURE?
Mafalda João2; Andrea Silva1; Miguel Areia2; Susana Alves2; Daniel Brito2; Luís Elvas2; Sandra Saraiva2; Sandra Lopes1; Pedro Figueiredo1; Ana Teresa Cadime2

Argon plasma coagulation (APC) is an ablative therapy used for a wide variety of indications throughout the gastrointestinal tract. There are no data on continued use of antithrombotics with respect to the risk of bleeding after APC. Therefore, current ESGE guideline does not provide any guidance in this regard. This study aimed to assess post procedure bleeding risk and to identify its risk factors.

O ÍNDICE PROGNÓSTICO NUTRICIONAL COMO BIOMARCADOR DA ATIVIDADE INFLAMATÓRIA AVALIADA POR CÁPSULA ENDOSCÓPICA NA DOENÇA DE CROHN
João Carlos Gonçalves1,2,3; Vítor Macedo Silva1,2,3; Marta Freitas1,2,3; Bruno Rosa1,2,3; José Cotter1,2,3

O alvo na gestão da Doença de Crohn (DC) é a remissão completa da atividade inflamatória, com cicatrização da mucosa. O Score de Lewis é amplamente usado na Enteroscopia por Cápsula para quantificar a atividade inflamatória no Intestino Delgado na DC. Todavia, a relação da atividade da doença traduzida pelo Score de Lewis, com o estado nutricional destes doentes não está completamente esclarecido.

AUTOMATIC DETECTION OF GASTRIC PROTRUDING LESIONS IN CAPSULE ENDOSCOPY USING ARTIFICIAL INTELLIGENCE: A PILOT STUDY
Tiago Ribeiro1; Miguel Mascarenhas1; João Afonso1; Pedro Cardoso1; Patrícia Andrade1; João Ferreira1; Susana Lopes1; Hélder Cardoso1; Guilherme Macedo

Esophagogastroduodenoscopy (EGD) is the gold standard for diagnosis and follow up of gastric protruding lesions. Nevertheless, it is an invasive procedure, often not tolerated by patients. Capsule endoscopy (CE) has emerged as a minimally invasive, patient friendly alternative to EGD. The application of artificial intelligence (AI) for automatic analysis of CE images has provided promising results. Convolutional Neural Networks (CNN) are a multi-layer artificial intelligence architecture with high performance levels for image analysis. The application of these automated algorithms for detection of gastric protruding lesions in CE images has not been explored. This pilot study aimed to develop and test a CNN for automatic detection gastric protruding lesions in CE images.

PERFORMANCE OF A CONVOLUTIONAL NEURAL NETWORK FOR THE DETECTION OF VASCULAR LESIONS IN DOUBLE-BALLOON ENTEROSCOPY: A PROOF-OF-CONCEPT STUDY
Joao Afonso1; Miguel Mascarenhas1; Tiago Ribeiro1; Pedro Cardoso1; Hélder Cardoso1; Ana Patrícia Andrade1; Joao Ferreira2; Guilherme Macedo1

Device-assisted enteroscopy, and particularly double-balloon enteroscopy (DBE), allow exploration of a deeper small bowel, and have the advantage of allowing tissue sampling and therapy. Suspected mid-gastrointestinal bleeding is the most frequent indication for DBE, and vascular lesions are the most commonly found lesions in these patients.

ENDOSCOPIC PAPILLECTOMY FOR EARLY AMPULLARY TUMOURS: A SINGLE‑CENTER RETROSPECTIVE COHORT STUDY
Catarina O'neill1; Tiago Bana-Costa1; Pedro Barreiro1; Rui Mendo1; Raquel Mendes1; Cristina Chagas

Lesions involving the ampulla of Vater have traditionally been managed by surgical resection, albeit with significant morbidity. Endoscopic papillectomy (EP) is increasingly recognized as an efficacious and safer treatment option. This study aims to evaluate the safety and efficacy of endoscopic papillectomy for early ampullary tumours in a single tertiary referral center.