Publications by authors named "Rita Ornelas"

Background: Cecal perforation from barotrauma is a rare complication of colonoscopy, even with the use of CO₂ insufflation, which is generally preferred over room air due to its rapid absorption and reduced patient discomfort.

Case Report: A 64-year-old woman with hypertension and dyslipidemia underwent a routine colonoscopy with CO₂ insufflation. Multiple diverticula were noted, and upon reaching the cecum, several parallel linear lesions with spontaneous bleeding, consistent with "cat scratch" colon, were observed.

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A 59-year-old Portuguese Caucasian man with a history of heavy alcohol intake and no significant medical history presented with ascites, weight loss and general malaise. The ascitic fluid analysis showed 921 cells/mm with mononuclear predominance (93.6%), elevated total proteins and a slightly elevated serum-ascites albumin gradient.

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