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2.
ASAIO J ; 68(4): 553-560, 2022 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-34324445

RESUMO

Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides with pulmonary involvement include granulomatosis with polyangiitis, microscopic polyangiitis, and eosinophilic granulomatosis with polyangiitis, and can present with life-threatening pulmonary hemorrhage in up to 40% of patients. Mortality in those patients who require intubation and mechanical ventilation can reach 77%. Extracorporeal membrane oxygenation (ECMO) can be used to support these patients through definitive diagnosis and treatment, although minimizing the risk of ventilator-induced lung injury. We aimed to determine factors associated with favorable outcomes in patients with (ANCA)-associated vasculitides supported on ECMO. We performed a retrospective observational study using the Extracorporeal Life Support Organization registry of pediatric and adult patients with ANCA-associated vasculitis supported on ECMO from 2010 to 2020. One hundred thirty-five patients were included for analysis. Many patients had renal involvement (39%) in addition to pulmonary involvement (93%). Survival was 73% in AAV patients supported on ECMO. The presence of pulmonary hemorrhage was not associated with worse outcomes in our cohort. Older age, the use of venoarterial ECMO, ECMO-cardiopulmonary resuscitation, or sustaining a cardiac arrest before ECMO was associated with decreased survival. In conclusion, venovenous ECMO should be considered as a supportive bridge to definitive diagnosis and treatment in (ANCA)-associated vasculitides, regardless if pulmonary hemorrhage is present.


Assuntos
Vasculite Associada a Anticorpo Anticitoplasma de Neutrófilos , Síndrome de Churg-Strauss , Oxigenação por Membrana Extracorpórea , Granulomatose com Poliangiite , Adulto , Vasculite Associada a Anticorpo Anticitoplasma de Neutrófilos/complicações , Vasculite Associada a Anticorpo Anticitoplasma de Neutrófilos/terapia , Anticorpos Anticitoplasma de Neutrófilos , Criança , Oxigenação por Membrana Extracorpórea/efeitos adversos , Humanos , Sistema de Registros
3.
Pediatr Radiol ; 50(12): 1709-1716, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32696111

RESUMO

BACKGROUND: The benefits of cardiac magnetic resonance imaging (MRI) in the pediatric population must be balanced with the risk and cost of anesthesia. Segmented imaging using multiple averages attempts to avoid breath-holds requiring general anesthesia; however, cardiorespiratory artifacts and prolonged scan times limit its use. Thus, breath-held imaging with general anesthesia is used in many pediatric centers. The advent of free-breathing, motion-corrected (MOCO) cines by real-time re-binned reconstruction offers reduced anesthesia exposure without compromising image quality. OBJECTIVE: This study evaluates sedation utilization in our pediatric cardiac MR practice before and after clinical introduction of free-breathing MOCO imaging for cine and late gadolinium enhancement. MATERIALS AND METHODS: In a retrospective study, patients referred for a clinical cardiac MR who would typically be offered sedation for their scan (n=295) were identified and divided into two eras, those scanned before the introduction of MOCO cine and late gadolinium enhancement sequences and those scanned following their introduction. Anesthesia use was compared across eras and disease-specific cohorts. RESULTS: The incidence of non-sedation studies performed in children nearly tripled following the introduction of MOCO imaging (25% [pre-MOCO] to 69% [post-MOCO], P<0.01), with the greatest effect in patients with simple congenital heart disease. Eleven percent of the post-MOCO cohort comprised infants younger than 3 months of age who could forgo sedation with the combination of MOCO imaging and a "feed-and-bundle" positioning technique. CONCLUSION: Implementation of cardiac MR with MOCO cine and late gadolinium enhancement imaging in a pediatric population is associated with significantly decreased sedation utilization.


Assuntos
Anestesia/estatística & dados numéricos , Meios de Contraste , Gadolínio , Cardiopatias/diagnóstico por imagem , Aumento da Imagem/métodos , Imageamento por Ressonância Magnética/métodos , Criança , Estudos de Coortes , Feminino , Coração/diagnóstico por imagem , Humanos , Masculino , Respiração , Estudos Retrospectivos , Tempo
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