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1.
Pediatr Infect Dis J ; 35(7): 794-8, 2016 07.
Article in English | MEDLINE | ID: mdl-27078120

ABSTRACT

BACKGROUND: Survival of children with combined immunodeficiency is strongly related to patient's age and clinical situation at the time of hematopoietic stem cell transplantation (HSCT). We describe the clinical features before HSCT or enzyme replacement therapy (ERT) in a cohort of children treated in a National Reference Unit. METHODS: A retrospective study of children with CIDs treated in our Hospital during a 20-year period (1995-2014) was performed, analyzing their clinical situation before HSCT/ERT. RESULTS: Thirty-one children were included. Risk factors such as family history or consanguinity were present in 35% of cases, but only 3 children (9%) were initially studied because of family history. Median ages at clinical onset, diagnosis and HSCT/ERT were 3.3, 5.6 and 8.1 months, respectively. All patients had lymphopenia before HSCT/ERT. At the time of admission to our unit, 68% of cases had abnormal lung auscultation, 72% were malnourished, 45% reported chronic gastroenteritis and 35% had hepatosplenomegaly. Before HSCT/ERT, respiratory infections and sepsis episodes were documented in 80% and 42% of cases, respectively. In 23% of children, a viral systemic infection was confirmed. The mortality rate was 35%, and 72% of children who died had Gram-negative bacterial sepsis or a viral infection. CONCLUSIONS: The present study shows the characteristics and outcome of children with CIDs in the absence of neonatal screening. Although all our patients had lymphopenia and most of them had suffered relevant infections or had a positive family history, these factors were not identified early. Respiratory and systemic viral infections were the main source of infection with important implications in clinical outcome. Our results highlight the importance of the implementation of neonatal screening, to improve survival rates.


Subject(s)
Enzyme Replacement Therapy/methods , Hematopoietic Stem Cell Transplantation/methods , Immunologic Deficiency Syndromes/therapy , Bacteremia/immunology , Enzyme Replacement Therapy/adverse effects , Female , Gram-Negative Bacterial Infections/immunology , Hematopoietic Stem Cell Transplantation/adverse effects , Humans , Immunologic Deficiency Syndromes/complications , Infant , Male , Respiratory Tract Infections/immunology , Retrospective Studies , Risk Factors , Spain , Treatment Outcome , Virus Diseases/immunology
2.
Influenza Other Respir Viruses ; 5(6): e544-51, 2011 Nov.
Article in English | MEDLINE | ID: mdl-21781285

ABSTRACT

OBJECTIVE: To describe the epidemiological and clinical characteristics of children hospitalized with 2009 pandemic influenza (pH1N1) in Madrid, Spain. PATIENTS/METHODS: We included patients less than 14 years of age admitted to one of 18 hospitals in Madrid, Spain, between May 1 and November 30, 2009 and diagnosed with pH1N1 by polymerase chain reaction. A retrospective chart review was conducted and data were compared by age, presence of high-risk medical conditions, and pediatric intensive care unit (PICU) admission. RESULTS: A total of 517 pH1N1 cases were included for final analysis. One hundred and forty-two patients (27·5%) had predisposing underlying illnesses, with immunosuppression (36 children, 7%) and moderate persistent asthma (34, 6·6%) being the most common ones. Patients with underlying medical conditions had longer hospital stays [median 5, interquartile range (IQR) 3-8 days, versus median 4, IQR 3-6, P < 0·001] and required intensive care (20·4% versus 5·9%, P < 0·001) and mechanical ventilation more frequently than previously healthy children. Globally, intensive care was required for 51 patients (10%) and invasive mechanical ventilation for 12 (2%). Pediatric intensive care unit admission was significantly associated with abnormal initial chest X-ray [Odds Ratio (OR) 3·5, 95% confidence interval (CI) 1·5-8·5], underlying neurological condition (OR 3·1, CI 1·2-7·5) and immunosuppression (OR 2·9, 1·2-6·8). Five patients (0·9%) died; two with severe neurological disease, two with leukemia, and one with a malignant solid tumor. CONCLUSIONS: Children with underlying medical conditions experienced more severe pH1N1 disease. Risk factors for admission to the PICU included underlying neurological conditions, immunosuppression and abnormal initial chest X-ray.


Subject(s)
Hospitalization/statistics & numerical data , Influenza A Virus, H1N1 Subtype/isolation & purification , Influenza, Human/epidemiology , Pandemics , Adolescent , Child , Child, Preschool , Female , Humans , Infant , Influenza A Virus, H1N1 Subtype/genetics , Influenza A Virus, H1N1 Subtype/physiology , Influenza, Human/complications , Influenza, Human/virology , Intensive Care Units, Pediatric/statistics & numerical data , Male , Retrospective Studies , Spain/epidemiology
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