Endocarditis, bacterial; embolism; abdomen acute; abdominal pain.A 35-year-old patient was seen in an Emergency Department, with six hours of pain in the right iliac fossa and fever. The hypothesis diagnosis was acute appendicitis and an exploring laparotomy for appendectomy was carried out. The patient returned to the hospital three days after having been discharged, debilitated, feverish, having alterations in speech, reduction in the level of consciousness and complete hemiparesis to the left. The computed tomography scan of the skull and the liquor puncture were normal. Cerebral magnetic resonance image showed aspects compatible with vertebrobasilar ischemic stroke. The anatomopathological study of the cecal appendix disclosed erosions in the mucous, reactive lymphoid hyperplasia and superficial acute inflammatory infiltrate. There were no evidences of abscess in the appendix part analyzed.The patient received hospital discharge, returning to the emergency department three days later with signs and symptoms of prostration, high fever maintained, dizziness, speech disturbance and decrease in the conscience level. In the neurological exam, he presented somnolence, with multidirectional nystagmus and complete hemiparesis to the left. The liquoric puncture and biochemical analysis were normal. The skull's tomography had a normal result. The magnetic nuclear resonance of the encephalon showed compatible aspects with ischemic stroke vertebrobasilar. The transthoracic echocardiogram was normal and the transesophagic echocardiogram revealed vegetation in the aortic valve with aortic insufficiency of moderate degree in the dopplercardiogram. Blood cultures were positive for the Enterococcus bovis. Specific antibioticotherapy was initiated and colonoscopy with biopsy was carried out, which showed adenocarcinoma in situ.The patient evolved with regression of the symptoms, having discharge with left hemiparesis and dyslalia, thus, he was followed for neoplasia treatment. DiscussionThe infective endocarditis (IE) is many times difficult to be established, once it presents an ample clinical spectrum. The clinical presentation of IE can be acute or subacute and frequently includes cardiac and extracardiac manifestations, with fever as the most common symptom, besides anorexia, weight loss, physical indisposition and nightly perspiration. In 1994, echocardiographic criteria (Duke) were introduced for the IE diagnosis 1 .The systemic embolic manifestations are complications that require a high degree of diagnosis suspicion, given its direct implication in worsening the patients' prognosis.The systemic embolism is a frequent complication of the IE observed in approximately 50% of the cases and more frequently evolves the central nervous system, the spleen, kidneys, liver, iliac or mesenteric arteries 2 .The occurrence of acute abdomen as an embolism initial manifestation of IE is rare, with few cases described in literature 2 . The most predominant abdominal symptoms can confuse the clinical chart, retard the treatment of pri...
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