• Rev Med Interne · Aug 2022

    [Acute chest syndrome in adult sickle cell patients].

    • G Cheminet, A Mekontso-Dessap, J Pouchot, and J-B Arlet.
    • Service de médecine interne, Centre de référence national des syndromes drépanocytaires majeurs de l'adulte, hôpital européen Georges Pompidou, Assistance-Publique hôpitaux de Paris, 75015 Paris, France; Faculté de médecine Paris Centre, université de Paris, 75006 Paris, France. Electronic address: geoffrey.cheminet@aphp.fr.
    • Rev Med Interne. 2022 Aug 1; 43 (8): 470-478.

    AbstractSickle cell disease is a frequent genetic condition, due to a mutation of the β-globin gene, leading to the production of an abnormal S hemoglobin and characterized by multiple vaso-occlusive events. The acute chest syndrome is a severe complication associated with a significant disability and mortality. It is defined by the association of one or more clinical respiratory manifestations and a new infiltrate on lung imaging. Its pathophysiology is complex and implies vaso-occlusive phenomena (pulmonary vascular thrombosis, fat embolism), infection, and alveolar hypoventilation. S/S or S/β0-thalassemia genotype, a history of vaso-occlusive crisis or acute chest syndrome, a low F hemoglobin level (<5%), a high steady-state hemoglobin level (> 10 g/dL), or a high steady-state leukocytosis (>10 G/L) are the main risk factors. Febrile chest pain, dyspnea, sometimes cough with expectorations are its main clinical manifestations, and bi-basal crackles are found at auscultation. Inferior alveolar opacities with or without pleural effusions are identified on chest X-ray or CT-scan. Management of the acute chest syndrome should be prompt and implies, besides the recognition of severity signs, a multimodal analgesia, oxygen supplementation, sometimes a parenteral antibiotic treatment and the frequent use of blood transfusions especially in the most severe cases. Prevention is important and includes a regular monitoring of hospitalized patients and the use of incentive spirometry.Copyright © 2022 Société Nationale Française de Médecine Interne (SNFMI). Published by Elsevier Masson SAS. All rights reserved.

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