The results clearly demonstrate that the relationship between specific biomarkers and OSA is often influenced by age, gender or ethnicity, which has hindered the identification of a unique marker for the evaluation of all patients with OSA. Moreover, given the frequency of comorbidities in OSA, which, by themselves, increase the cardiovascular risk, all confounding factors must be considered in the evaluation of these biomarkers.

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The presence of an underlying lung disease in pregnant women can present as a challenging case. The Vanishing Lung Syndrome is considered a rare condition, in which pulmonary emphysema is usually observed. We describe a unique case of Vanishing Lung Syndrome in pregnant patient. Female patient, 29 years old, started having progressive dyspnea on exertion in 2019, without other associated symptoms. She was hospitalized and a chest imaging study showed the presence of a large bulla in the upper right hemithorax with “hypertensive” behavior. The patient was lost to follow-up and returned two years later, pregnant, with a gestational age of 17 weeks, with an important restrictive component described in the spirometry. A bullectomy and right middle lobectomy were performed, and the patient showed significant symptom and pulmonary evaluation improvement. There are no documented cases of this rare condition in a pregnant patient, with an emphasis on seeking to maintain maternal and fetal well-being. The management of Vanishing Lung Syndrome in pregnant women is challenging, especially when lung function is impaired, as in the described case.

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