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Al-Hamoud A, Pansu N, Brun AL, Etienne N, Farfour E, Avettand-Fenoel V, Rouzaud C, Roux A, Suarez F, Salvator H, Serris A, Catherinot E, Lortholary O. Determinants of radiological patterns and severity in immunocompromised adults with Metapneumovirus infection. Respir Med 2024; 227:107604. [PMID: 38492818 DOI: 10.1016/j.rmed.2024.107604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 03/05/2024] [Accepted: 03/13/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND Human Metapneumovirus (HMPV) belongs to the Pneumoviridae family and is responsible for respiratory infections. Mild infections are well-recognized in children, while its precise impact in various categories of immunocompromised adults has not been well addressed. RESEARCH QUESTION We retrospectively studied HMPV infections in immunocompromised adults followed in two large French university medical centers. STUDY DESIGN AND METHODS We identified immunocompromised adults with positive HMPV Polymerase Chain Reaction (PCR) for 36 months and reviewed their medical charts. For lung transplant recipients (LTR), FEV1 was collected at baseline, during and after infection. Imaging was centralized and chest involvement was categorized by dominant CT patterns. We compared severe patients (requiring oxygen or ventilation) and non hypoxemic patients. RESULTS Seventy-two patients were included, 27 were LTR, 25 had a hematological malignancy or were hematopoietic stem cell recipients, 20 had another immunocompromised status. Twenty patients (28%) presented a hypoxemic infection, requiring hospitalization and intensive care units transfers in 50/72 (69.4%) and 9/72 (12.5%) respectively, with only one death. Hypoxemia was less pronounced in LTRs (p = 0.014). Finally, age and dyspnea remained independent factors associated with hypoxemia (p < 0.005). The most frequent radiological patterns were bronchopneumonia (34.2%) and bronchiolitis (39.5% and 64.3% in the overall population and in LTRs respectively, p = 0.045). FEV1 improved in LTRs at one month and 85% had recovered their baseline FEV1 within 6 months. INTERPRETATIONS In immunocompromised adults, HMPV infections required frequent hospitalizations and ICU transfers, while mortality is low. In LTRs, bronchiolitis pattern was predominant with short and long-term favorable outcome.
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Affiliation(s)
- A Al-Hamoud
- Service de Pneumologie, Hôpital Foch, Suresnes, France
| | - N Pansu
- Université Paris Cité, Service de Maladies Infectieuses et Tropicales, Hôpital Necker-Enfants Malades, Centre d'Infectiologie Necker-Pasteur, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - A-L Brun
- Service d'Imagerie Médicale, Hôpital Foch, Suresnes, France
| | - N Etienne
- Université Paris Cité, Service de Maladies Infectieuses et Tropicales, Hôpital Necker-Enfants Malades, Centre d'Infectiologie Necker-Pasteur, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - E Farfour
- Laboratoire de Microbiologie, Hôpital Foch, Suresnes, France
| | - V Avettand-Fenoel
- Laboratoire de Virologie, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Paris, France; Université Paris Cité, INSERM U1016, CNRS UMR8104, Institut Cochin, Paris, France
| | - C Rouzaud
- Université Paris Cité, Service de Maladies Infectieuses et Tropicales, Hôpital Necker-Enfants Malades, Centre d'Infectiologie Necker-Pasteur, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - A Roux
- Service de Pneumologie, Hôpital Foch, Suresnes, France; Université Versailles Saint Quentin, UMR0892 INRAe-UVSQ, Faculté des Sciences de la Vie Simone Veil, Montigny le Bretonneux, France
| | - F Suarez
- Service d'Hématologie, Hôpital Necker-Enfants Malades, Université Paris Cité, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - H Salvator
- Service de Pneumologie, Hôpital Foch, Suresnes, France; Université Versailles Saint Quentin, UMR0892 INRAe-UVSQ, Faculté des Sciences de la Vie Simone Veil, Montigny le Bretonneux, France
| | - A Serris
- Université Paris Cité, Service de Maladies Infectieuses et Tropicales, Hôpital Necker-Enfants Malades, Centre d'Infectiologie Necker-Pasteur, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - E Catherinot
- Service de Pneumologie, Hôpital Foch, Suresnes, France.
| | - O Lortholary
- Université Paris Cité, Service de Maladies Infectieuses et Tropicales, Hôpital Necker-Enfants Malades, Centre d'Infectiologie Necker-Pasteur, Assistance Publique-Hôpitaux de Paris, Paris, France
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