{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T10:42:03Z","timestamp":1761561723818},"reference-count":29,"publisher":"FapUNIFESP (SciELO)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ABCD, arq. bras. cir. dig."],"published-print":{"date-parts":[[2012,12]]},"abstract":"<jats:p>RACIONAL: Bypass g\u00e1strico em Y-de-Roux \u00e9 a opera\u00e7\u00e3o bari\u00e1trica mais comumente realizada. Pequena bolsa g\u00e1strica \u00e9 criada, deixando uma anastomose gastrojejunal estreita, com uma al\u00e7a jejunal mais comprida. Muito pouco \u00e9 conhecido sobre o comportamento desta bolsa em anos ap\u00f3s o procedimento. OBJETIVO: Determinar atrav\u00e9s de estudos prospectivos endosc\u00f3pico e histol\u00f3gico seq\u00fcenciais o tamanho da bolsa g\u00e1strica, o di\u00e2metro da anastomose e o comportamento da infec\u00e7\u00e3o por H. pylori ap\u00f3s a opera\u00e7\u00e3o. M\u00c9TODOS: Em 130 pacientes submetidos ao bypass g\u00e1strico foram realizadas v\u00e1rias avalia\u00e7\u00f5es sequenciais endosc\u00f3pica (at\u00e9 120 meses) e histol\u00f3gica de rotina da bolsa g\u00e1strica. RESULTADOS: Ap\u00f3s a opera\u00e7\u00e3o, foram realizadas em m\u00e9dia 3,6 endoscopias por paciente. Macroscopicamente quase 95% das pequenas bolsas g\u00e1stricas eram normais, e o principal achado patol\u00f3gico foi uma \u00falcera marginal. Esofagite erosiva desapareceu em 93% dos pacientes. N\u00e3o houve aumento no tamanho orocaudal da bolsa durante o per\u00edodo de observa\u00e7\u00e3o. N\u00e3o houve dilata\u00e7\u00e3o do di\u00e2metro da anastomose gastrojejunal. Perto de 54% de todos os pacientes tinham mucosa f\u00fandica normal, enquanto 18% tinham gastrite cr\u00f4nica ativa, coincidente com a infec\u00e7\u00e3o por H. pylori. Cinco pacientes tinham metaplasia intestinal. CONCLUS\u00c3O: Com base nesta avalia\u00e7\u00e3o endosc\u00f3pica sequencial, n\u00e3o houve aumento no tamanho orocaudal da bolsa g\u00e1strica, nem do di\u00e2metro da anastomose gastrojejunal. O comportamento do H. pylori foi inconsistente e dif\u00edcil de interpretar.<\/jats:p>","DOI":"10.1590\/s0102-67202012000400007","type":"journal-article","created":{"date-parts":[[2013,2,9]],"date-time":"2013-02-09T06:36:51Z","timestamp":1360391811000},"page":"245-249","source":"Crossref","is-referenced-by-count":14,"title":["Estudos endosc\u00f3pico e histol\u00f3gico prospectivos e sequenciais da bolsa g\u00e1strica em 130 pacientes obesos m\u00f3rbidos submetidos \u00e0 bypass g\u00e1strico em Y-de-Roux"],"prefix":"10.1590","volume":"25","author":[{"given":"Attila","family":"Csendes","sequence":"first","affiliation":[{"name":"Hospital Universit\u00e1rio, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gladys","family":"Smok","sequence":"additional","affiliation":[{"name":"Hospital Universit\u00e1rio, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana Maria","family":"Burgos","sequence":"additional","affiliation":[{"name":"Hospital Universit\u00e1rio, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Moira","family":"Canobra","sequence":"additional","affiliation":[{"name":"Hospital Universit\u00e1rio, Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"1077","DOI":"10.1016\/S0039-6109(05)70185-7","article-title":"Gastric bypass","volume":"81","author":"Brolin RE","year":"2001","journal-title":"Surg.Clin. 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