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Medical Science Monitor Basic Research


Recurrent Pneumonias in a Previously Healthy and Immunocompetent Young Adult: A Case Report Mounier-Kuhn Syndrome

Challenging differential diagnosis, Management of emergency care, Rare disease

David Esteban Estrada, Francisco L. Uribe-Buritica, Carlos Andrés Vargas, Carlos García, William Martínez

Colombia Faculty of Health Sciences, Icesi University, Cali, Colombia

Am J Case Rep 2020; 21:e918535

DOI: 10.12659/AJCR.918535

Available online: 2020-01-24

Published: 2020-02-09


BACKGROUND: Mounier-Kuhn syndrome is a rare clinical condition characterized by marked tracheal and bronchial dilatation. It is commonly associated with multiple respiratory infections due to the inability to mobilize secretions, chronic cough, and decline in lung capacity. Although it is a rare disease, the number of cases reported in the literature has increased, and physicians should be aware of its existence to be able to recognize and diagnose it. Suspicion should arise regarding young adults who develop recurrent airway infections when immunosuppression has been ruled out.
CASE REPORT: We present the case of a young adult, previously healthy and immunocompetent, who was diagnosed with Mounier-Kuhn syndrome after 5 years of multiple respiratory infections and multiple respiratory failures, who received intensive care management with multiple complications and difficulties in achieving adequate ventilation. Due to the risk of respiratory failure and major complications, its management was challenging. We were able to treat this patient and prevent complications with a multidisciplinary approach with a strong emphasis on constant and intense pulmonary therapy.
CONCLUSIONS: Mounier-Kuhn syndrome is rare but does occur, and physicians need to have a high index of suspicion to diagnose it. Its management must be done by a multidisciplinary team, and respiratory therapy should be constantly available at bedside.

Keywords: case reports, Tracheal Diseases, Tracheobronchomegaly