Browsing by Author "Meireles, Daniel"
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- Acute Fulminant Cerebral Edema in a Child With Suspected MeningoencephalitisPublication . Monteiro, Sara; Teixeira, Beatriz; Fraga, Carolina; Dias, Andreia; Cardoso, Ana Lúcia; Meireles, Daniel; Sarmento, Alzira; Ferreira, Paula Regina; Silva, João; Garrido, Cristina; Gonçalves, SaraAcute fulminant cerebral edema (AFCE) is a recently identified encephalitis type associated with significant morbimortality. Described as rare, limited data exists on its early detection and treatment. This paper describes a case of AFCE that progressed to unresponsive intracranial hypertension. A previously healthy four-year-old boy presented with fever, myalgias, and neurological symptoms. Diagnostic assessments showed cerebrospinal fluid abnormalities, and despite medical interventions, his condition deteriorated rapidly and developed severe cerebral edema and herniation within 24 hours. A decompressive craniectomy was attempted to decrease intracranial pressure, without success. This case emphasizes the urgency of early AFCE recognition and effective management strategies given its severe prognosis, aiming to improve understanding and spur further research
- Extracorporeal Membrane Oxygenation: The First 10 Years Experience of a Portuguese Pediatric Intensive Care UnitPublication . Meireles, Daniel; Abecasis, Francisco; Boto, Leonor; Camilo, Cristina; Abecasis, Miguel; Neves, José Pedro; Soares, Zélia Cristo; Vieira, MarisaIntroduction: In Portugal, extracorporeal membrane oxygenation (ECMO) is used in pediatric patients since 2010. The aim of this study was to describe the clinical characteristics of patients, indications, complications and mortality associated with the use of ECMO during the first 10-years of experience in the Pediatric Intensive Care Unit located in Centro Hospitalar Universitário Lisboa Norte. Material and methods: Retrospective observational cohort study of all patients supported with ECMO in a Pediatric Intensive Care Unit, from the 1st of May 2010 up to 31st December 2019. Results: Sixty-five patients were included: 37 neonatal (≤ 28 days of age) and 28 pediatric patients (> 28 days). In neonatal cases, congenital diaphragmatic hernia was the main reason for ECMO (40% of neonatal patients and 23% of total). Among pediatric patients, respiratory distress was the leading indication for ECMO (47% of total). The median length of ECMO support was 12 days. Clinical complications were more frequent than mechanical complications (65% vs 35%). Among clinical complications, access site bleeding was the most prevalent with 38% of cases. The overall patient survival was 68% at the time of discharge (65% for neonatal and 71% for pediatric cases), while the overall survival rate in Extracorporeal Life Support Organization registry was 61%. The number of ECMO runs has been increasing since 2011, even though in a non-linear way (three cases in 2010 to 11 cases in 2019). Discussion: In the first 10 years we received patients from all over the country. Despite continuous technological developments, circuitrelated complications have a significant impact. The overall survival rate in the Pediatric Intensive Care Unit was not inferior to the one reported by the Extracorporeal Life Support Organization. Conclusion: The overall survival of our Pediatric Intensive Care Unit is not inferior to one reported by other international centers. Our experience showed the efficacy of the ECMO technique in a Portuguese centre.
- Gitelman syndrome, a rare condition: three clinical cases and pathophysiology reviewPublication . Meireles, Daniel; Figueiredo, Rafael; Rocha, Liliana; Cunha, Joaquim; Matos, PaulaIntroduction: Gitelman syndrome (GS) is a renal tubular disorder characterized by hypokalemia, metabolic alkalosis, hypomagnesemia, and hypocalciuria. Clinical manifestations are nonspecific. Herein are reported three cases of GS with different age of onset, clinical manifestations, and management. Case Reports: Case 1 was a sixteen-year-old female, while Cases 2 and 3 presented at an atypical age (seven and eight years). Clinical manifestations mainly consisted of abdominal pain with vomits, together with past history of muscular weakness in Case 1. Diagnosis was based on usual electrolyte abnormalities, such as metabolic alkalosis with hypokalemia. Genetic diagnosis was confirmed in Case 3. Patients were treated with oral potassium, magnesium, and spironolactone, with symptom and electrolytic profile improvement. Discussion/Conclusions: GS is a rare condition that should be considered in cases of metabolic alkalosis and hypokalemia and all pediatricians should be aware of. Diagnosis is established based on biochemical profile and treatment response.
- Kawasaki disease in a five-month-old infantPublication . Maciel, Juliana; Meireles, Daniel; Magalhães, Mariana; Gonçalves, Sara; Ribeiro Fernandes, Sofia; Fernandes, Paula CristinaIntroduction: Kawasaki disease, an acute self-limited vasculitis of small and medium arteries of unknown etiology, is the leading cause of heart disease in children in most developed countries. If untreated, it can lead to coronary artery dilatation and aneurysm, placing patients at risk for coronary thrombosis, myocardial infarction, or sudden death. Case Report: A previously healthy five-month-old boy presented with a history of respiratory symptoms and fever, being admitted for respiratory syncytial virus bronchiolitis. He maintained fever for five days associated with progressive clinical worsening and sequential development of conjunctival injection, cracked lips, swelling of hands and feet, and polymorphous rash of the limbs. Diagnostic procedures showed increased levels of inflammatory markers, hyponatremia, hypoalbuminemia, sterile pyuria, and aseptic meningitis. Despite an initial normal echocardiogram, Kawasaki disease was suspected and the boy started intravenous immunoglobulin on the fifth day. On the seventh day, echocardiogram showed signs of pancarditis and mild coronary artery ectasia and acetylsalicylic acid was started. The boy was discharged, but eight days later echocardiogram revealed major and diffuse coronary artery ectasia in a follow-up consultation and he was readmitted to start corticosteroid therapy. After five months, the boy displayed normalization of cardiac changes, without further complications. Comments: Kawasaki disease below six months of age is rare and associated with a high risk of coronary artery aneurysm. It is important to recognize the clinical and laboratory criteria associated with this entity and start early treatment, avoiding cardiac complications.
- Minimally invasive surfactant therapy in preterm infants: towards less invasive managementPublication . Meireles, Daniel; Neiva-Araújo, Luísa; Nascimento, Marta; Pinho, Liliana; Freitas, Ana Cristina; Almeida, Alexandra; Carvalho, Carmen; Proença, ElisaIntroduction: Minimally invasive surfactant therapy (MIST) is a surfactant administration procedure that intends to reduce intubations and associated risks. The aim of this study was to compare MIST with INtubation-SURfactant-Extubation (INSURE) technique. Material and methods: Retrospective analysis (from January 2015 to June 2019) of preterm infants on nasal continuous positive airway pressure (nCPAP) treated with surfactant. Results: Fifty-four preterm infants were included and divided in two groups: MIST (n=34) and INSURE (n=20). No significant differences were found between groups regarding gestational age (p=0.480), birth weight (p=0.299), fraction of inspired oxygen (FiO2) prior to surfactant (p=0.220), oxygen therapy duration (p=0.306), progression to intubation (p=0.712), or length of Neonatal Intensive Care Unit stay (p=0.778). FiO2 variation before and after surfactant administration was higher in MIST group (14% vs 9%, p=0.078). No significant complications were reported with either technique. Conclusions: MIST is a safe technique in preterm infants on nCPAP. This study shows similar outcomes with MIST and INSURE procedures, with a greater reduction in FiO2 requirements with MIST. Overall, MIST is less invasive and as effective as INSURE in preterm infants.