Boerhaave syndrome is rare, has an non-specific clinical presentation and most commonly develops after persistent vomiting. Septic shock dominates the clinical picture as a result of extensive infection of the mediastinum and pleural and abdominal cavities. The current management of Boerhaave syndrome includes conservative, endoscopic and surgical treatments. The authors present the case of a 94-year-old man admitted to hospital with community-acquired pneumonia with mild respiratory insufficiency complicated by oesophageal perforation after an episode of vomiting and the development of a large left pleural effusion. An endoscopic approach with the placement of an oesophageal prosthesis was chosen given the advanced age of the patient. The hospital stay was complicated by pleural effusion infection requiring broad-spectrum antibiotics and prosthesis substitution. The patient was discharged after 60 days of hospitalization, without the need for oxygen supplementation, and scoring 80% on the Karnofsky Performance Status Scale. The increase in average life expectancy requires a case-by-case approach, where the benefits of invasive manoeuvres and likelihood of discharge are weighed against an acceptable quality of life, aiming to prevent futile medical treatment.LEARNING POINTSBoerhaave syndrome is a complete rupture of the oesophageal wall secondary to a sudden increase in intraluminal oesophageal pressure, often in the lower third and left lateral position of the oesophagus.The management of Boerhaave syndrome depends on the time of diagnosis and clinical presentation and includes conservative, endoscopic and surgical approaches.Curative, aggressive approaches focused on the treatment of disease are often not appropriate for an aging population, hence the need for a case-by-case approach, where the benefits of invasive manoeuvres and likelihood of discharge are weighed against an acceptable quality of life, aiming to prevent futile medical treatment.

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Chylous ascites (CA), also called chyloperitoneum, is a rare form of ascites in the neonate. It results from the leakage of lymph into the peritoneal cavity. There are congenital and acquired forms of CA. CA may occur during fetal life, and the prognosis will depend on its volume, gestational age at the onset, and the association with other anomalies. Lymphangiectasia is the most common congenital cause, and acquired forms are mainly traumatic and/or post-operative. This review aims to gather the most current information on CA and addresses important aspects regarding etiology, pathophysiology, clinic, diagnostic tools, and treatment.

Platypnea-orthodeoxia syndrome (POS) is a rare and underdiagnosed disease characterized by dyspnea in the upright position (platypnea) with simultaneous hypoxemia (orthodeoxia) that is relieved by recumbency. The physiopathological mechanisms involved are mediated by intracardiac shunts, pulmonary arteriovenous shunts or ventilation/perfusion mismatch. When POS is caused by a cardiac pathology, there is an anatomical (interatrial communication) and a functional component (as a dilated aorta or pneumectomy) working together to cause a right to left shunt without a constant right to left pressure gradient. Diagnosis is suspected through pulse oximetry verifying orthodeoxia. Confirmation usually is made by transesophageal echocardiography with bubble study to visualize the shunt. Percutaneous closure of the shunt is effective in most cases of cardiac POS. We report a case of an 87-year-old woman with POS related to a patent foramen ovale and an ectatic aorta followed by a review of the literature.