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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Remoção endoscópica de anel em pacientes submetidos á derivação gástrica em y de Roux utilizando prótese plástica autoexpansível

MAGALHÃES NETO, Galeno Egydio José de 19 February 2014 (has links)
Submitted by Natalia de Souza Gonçalves (natalia.goncalves@ufpe.br) on 2016-10-10T13:09:11Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) GALENO EGYDIO - COLACAO DE GRAU.pdf: 1509311 bytes, checksum: f4dc67e7a0e6a1a9159df433631ba569 (MD5) / Made available in DSpace on 2016-10-10T13:09:12Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) GALENO EGYDIO - COLACAO DE GRAU.pdf: 1509311 bytes, checksum: f4dc67e7a0e6a1a9159df433631ba569 (MD5) Previous issue date: 2014-02-19 / O uso de anel na derivação gástrica em Y de Roux (DGYR) está associado à intolerância alimentar pós-operatória, cujo tratamento clássico tem sido a remoção cirúrgica. Um novo método utilizando prótese plástica autoexpansível (PPAE) induz erosão intragástrica do anel, o qual é removido por via endoscópica de forma minimamente invasiva. Objetiva-se analisar a eficácia e a segurança dessa técnica de remoção de anel após DGYR. Estudo prospectivo longitudinal de série de 41 pacientes com intolerância alimentar associada à presença de anel, que foram, tratados por via endoscópica, entre 2007 e 2013. O grupo apresentava média de idade igual a 44,1 anos, IMC médio de 27,0 Kg/m², e vômitos foram os sintomas mais frequentes (n=37), com ocorrência diária em 46,3%. O sucesso terapêutico foi definido como a melhora dos sintomas após a remoção do anel. O implante de PPAE foi realizado sob anestesia geral e guiado por radioscopia, sendo utilizado endoscópio padrão. Os pacientes receberam alta após 24 horas com dieta líquida e inibidor de bomba de prótons (IBP), que foi prescrito durante o tempo médio de permanência da PPAE, que foi de 15,3 dias. A prótese promoveu erosão completa de anel em 24 (58,5%) pacientes e no grupo restante, a remoção em segundo estágio após 7 dias com pinça de corpo estranho. Houve três casos de migração da prótese com eliminação espontânea por via retal. O efeito adverso mais comum foi vômito (n=7). Não houve complicações graves, nem necessidade de remoção precoce da prótese. Após seguimento médio de 6 meses, não houve mudança significativa no IMC e 78% dos pacientes foram capazes de ingerir carne vermelha. A remoção do anel com uso de prótese endoscópica demonstrou ser um procedimento seguro e eficaz, com100% dos anéis sendo removidos com sucesso e 29,3% de ocorrência de eventos adversos leves (vômitos). Esta técnica é uma alternativa adequada na remoção do anel, evitando a intervenção cirúrgica e reduzindo a possibilidade de reganho de peso. / Ring dysfunction after roux-en-y gastric bypass (RYGB) causing delayed gastric emptying on Fobi pouch is classically treated by surgical ring removal. In a novel way of using selfexpandable stents, intraluminal erosion of the ring is achieved, allowing its removal by endoscopy, with no need of surgery. No study has shown clinical applicability of this principle in RYGB banded with silastic ring. In this case series we analyze endoscopic removal of noneroded dysfunctional rings after RYGB using self-expandable plastic stents (SEPS). This is a prospective case series of 41 patients with delayed gastric emptying secondary to extrinsic compression of the ring after RYGB between 2007 and 2013. Successful ring removal, symptoms improvement, weight control and adverse events were evaluated. Mean age of subjects was 44.1 years, median BMI at treatment was 27.0 Kg/m2. Most common symptom was vomiting (n=37), with daily occurrence in 46.3%. Success was defined as symptoms improvement after stent and ring removal. SEPS placement was done under general anesthesia and fluoroscopic guidance. A standard gastroscope (Pentax Medical, Montvale, NJ), and a PolyflexTM stent (25x21x150mm) (Boston Scientific, Natick, MA) were used in all cases. All patients were discharged after a 2-hour observation period, with liquid diet and proton pump inhibitor. SEPS induced complete erosion in 24 patients, allowing for simultaneous stent and ring removal. The median time of stenting was 15 days. There was one case of stent migration, which was naturally expelled. Most common adverse event was vomiting (n=7). There was no early stent removal, and no serious complications. After a mean follow-up of 6 months, there was no significant change in mean BMI, and 78% of patients are able to ingest solid foods. Endoscopic stents led to ring intraluminal erosion in 100% of subjects, allowing for successful removal of dysfunctional rings. The procedure is technically feasible and safe, with a 29.3% occurrence of mild adverse events (vomiting), and no serious complications. It proved to be a reasonable alternative for ring removal in our casuistic, avoiding surgery, and decreasing the possibility of weight regain.

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