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Open Access Má rotação intestinal em adulto, relato de caso e revisão da literatura Adult intestinal malrotation, case report and literature review

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INTRODUÇÃO: Má rotação intestinal é entidade clínico-cirúrgica que faz parte do cotidiano do cirurgião pediátrico, mas que se torna um desafio diagnóstico quando desenvolve sintomas em adolescentes e adultos. RELATO DO CASO: Mulher deu entrada no hospital com quadro de intensa dor abdominal com três dias de evolução e piora progressiva nas últimas 24 horas. A dor apresentava piora importante após as refeições, quando era acompanhada de náuseas e vômitos. Ao exame físico apresentava-se em bom estado gera, abdômen plano, flácido, ruídos presentes, levemente doloroso à palpação de epigástrio, mas sem sinais de irritação peritoneal. Exames laboratoriais encontravam-se dentro dos limites da normalidade, bem como estudo ultrassonográfico. Não houve melhora clínica apesar do tratamento instituído e optou-se por investigação cirúrgica por tomografia sugerir má rotação intestinal. No intra-operatório observou-se todo o intestino delgado disposto para o lado direito do abdômen e o cólon para o lado esquerdo. Além disto, o jejuno proximal encontrava-se isquêmico e fazendo um volvo de 720º sobre o eixo dos vasos mesentéricos superiores. Para a correção da anomalia fez-se enterotomia do jejuno proximal, a cerca de 10 cm do ligamento de Treitz, e desconfecção do volvo, o que cursou com melhora progressiva da isquemia intestinal, permitindo que se fizesse enteroanastomose. Realizou-se ligadura do pedículo da artéria cólica média em sua origem e colectomia direita seguida de anastomose íleo-transversa látero-lateral. A paciente evolui bem. CONCLUSÃO: - A má rotação intestinal em adultos é doença de difícil diagnóstico primário, devido a não constar entre as hipóteses diagnósticas iniciais do cirurgião geral.
INTRODUCTION: Intestinal malrotation is a clinical surgical entity that is present in the everyday practice of the pediatric surgeon. However, it becomes a diagnostic challenge when symptoms develop in adolescents and adults. CASE REPORT: A woman presented to the hospital with intense abdominal pain of three days' duration and progressive worsening over the preceding 24 hours. The pain increased markedly after meals, accompanied by nausea and vomiting. On physical examination, the patient was in good general health, her abdomen was flat, flaccid, with normal bowel sounds, and tender to palpation of the epigastrium, yet with no signs of peritoneal irritation. Laboratory test results were within the limits of normal, as was ultrasonography. No clinical improvement was achieved despite the treatment instituted; surgical exploration was chosen as tomography was suggestive of intestinal malrotation. Intraoperatively, all the small intestine was found to be positioned to the right side of the abdomen and the colon, to the left side. In addition, the proximal jejunum was ischemic and forming a volvulus of 720º over the axis of the superior mesenteric vessels. In order to correct the anomaly, enterotomy of the proximal jejunum was performed at approximately 10 cm from the ligament of Treitz, and the volvulus was corrected. This promoted a progressive improvement of the intestinal ischemia, which made enteroanastomosis possible. The middle colic artery pedicle was ligated at its root and a right colectomy was performed, followed by a side-to-side ileo-transverse anastomosis. The patient is doing well. CONCLUSION: Intestinal malrotation in adults is a condition of difficult primary diagnosis, since it is not among the initial diagnostic hypotheses of the general surgeon.
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Document Type: Research Article

Publication date: January 1, 2009

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