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1.
J Pediatr ; 216: 58-66.e1, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-31610927

RESUMO

OBJECTIVE: To evaluate the prevalence of iron deficiency and its association with outcomes in children with heart failure. STUDY DESIGN: A single-center retrospective cohort study of patients with heart failure aged 1-21 years from July 2012 to June 2017 with available serum iron studies was performed. Subjects were analyzed in 2 groups: biventricular systolic heart failure (BiV) and single-ventricle congenital heart disease with systolic heart failure (SV). Iron deficiency was defined as ≥2 of the following: serum iron <50 µg/dL, serum ferritin <20 ng/mL, transferrin >300 ng/mL, or transferrin saturation <15%. The primary outcome was a composite adverse event (CAE) of ventricular assist device implantation, heart transplantation, or death, at 3 and 6 months from time of iron studies. RESULTS: Of the 107 subjects (77 BiV, 30 SV) included in the study, 56% were iron deficient. Demographics, etiology of heart failure, and chronicity of heart failure symptoms were not associated with iron deficiency. On multivariable analysis, in group BiV, iron deficiency was associated with CAE at 3 months (79% iron deficiency in CAE group vs 37% iron deficiency in non-CAE, P = .001, OR 7, 95% CI 2-21) and 6 months (76% iron deficiency in CAE vs 35% iron deficiency in non-CAE, P = .002, OR 7, 95% CI 2-24). In group SV, iron deficiency was associated with CAE at 6 months (79% iron deficiency in CAE vs 29% iron deficiency in non-CAE, P = .014, OR 8, 95% CI 2-32). CONCLUSIONS: Iron deficiency was present in 56% of the pediatric patients with heart failure who were evaluated with iron studies. Iron deficiency was associated with greater risk of ventricular assist device implantation, heart transplantation, or death.


Assuntos
Anemia Ferropriva/epidemiologia , Insuficiência Cardíaca/mortalidade , Adolescente , Estudos de Casos e Controles , Criança , Pré-Escolar , Feminino , Insuficiência Cardíaca/cirurgia , Transplante de Coração/estatística & dados numéricos , Coração Auxiliar/estatística & dados numéricos , Humanos , Tempo de Internação/estatística & dados numéricos , Masculino , Estudos Retrospectivos
2.
J Pediatr ; 208: 258-264.e3, 2019 05.
Artigo em Inglês | MEDLINE | ID: mdl-30679055

RESUMO

OBJECTIVE: To determine frequency of missed heart failure diagnosis at first presentation among children with no known heart disease admitted with new-onset heart failure. STUDY DESIGN: Using a retrospective design, we reviewed electronic medical records of all patients aged <21 years with no known heart disease, hospitalized with new-onset heart failure during 2003-2015 at a tertiary-quaternary care institution. We assessed records for missed diagnosis of heart failure (primary outcome), associated process breakdowns, and clinical outcomes using a structured data collection instrument. RESULTS: Of 191 patients meeting inclusion criteria, 49% (94/191) were missed on first presentation. Most common incorrect diagnostic labels given to "missed" patients were bacterial infection (29%; 27/94), followed by viral illness (22%; 21/94) and gastroenteritis/hepatitis (21%; 20/94). On multivariable analysis, presentation to primary care provider (PCP), longer duration of symptoms (median 7 days), more than 2 symptoms of heart failure, and nausea/emesis were associated with missed diagnosis. On examining process breakdowns, 49% had errors in history-taking and 50% had no documentation of differential diagnoses. There was no difference in hospital mortality, length of stay, or mechanical circulatory support in missed vs not-missed cohorts. Unnecessary noninvasive and invasive tests were performed in 18% and 4% of patients, respectively. CONCLUSIONS: Nearly one-half of children with no known heart disease hospitalized with systolic heart failure were missed at first presentation and underwent significant nonrelevant treatment and testing. Initial presentation to the PCP, longer duration of symptoms before presentation, and nausea/emesis were associated with missed diagnosis.


Assuntos
Insuficiência Cardíaca Sistólica/diagnóstico , Diagnóstico Ausente/estatística & dados numéricos , Criança , Pré-Escolar , Registros Eletrônicos de Saúde , Feminino , Insuficiência Cardíaca Sistólica/epidemiologia , Mortalidade Hospitalar , Hospitalização , Humanos , Lactente , Tempo de Internação , Masculino , Análise Multivariada , Estudos Retrospectivos , Centros de Atenção Terciária , Procedimentos Desnecessários
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