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Since the discovery of antibiotics in the early 20th century, significant changes have occurred in their usage principles [...].
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BACKGROUND: Surgical repair of tetralogy of Fallot (ToF) depends on the anatomical variations of the heart defect. A group of patients with a hypoplastic pulmonary valve annulus required a transannular patch. This study aimed to evaluate the early and late outcomes of ToF repair with a transannular Contegra® monocuspid patch in a single center. METHODS: A retrospective review of medical records was conducted. This study included 224 children with a median age of 13 months who underwent ToF repair with a Contegra® transannular patch in over 20 years of observation. The primary outcomes were hospital mortality and need for early reoperations. The secondary outcomes were late death and event-free survival. RESULTS: The hospital mortality in our group was 3.1%, whereas two patients required early reoperation. Three patients were excluded from the study because follow-up data were not available. In the remaining group of patients (212 patients), the median follow-up was 116 (range, 1-206) months. One patient died because of sudden cardiac arrest at home six months after surgery. Event-free survival was observed in 181 patients (85.4%), whereas the remaining 30 patients (14.1%) required graft replacement. The median time to reoperation was 99 (range, 4-183) months. CONCLUSIONS: Although surgical treatment of ToF has been performed for more than 60 years worldwide, the optimal approach in children with a hypoplastic pulmonary valve annulus remains debatable. Among options, the Contegra® monocuspid patch can be effectively used in transannular repair of ToF with good long-term results.
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Procedimentos Cirúrgicos Cardíacos , Valva Pulmonar , Tetralogia de Fallot , Criança , Humanos , Lactente , Procedimentos Cirúrgicos Cardíacos/métodos , Valva Pulmonar/cirurgia , Estudos Retrospectivos , Reoperação , Resultado do Tratamento , SeguimentosRESUMO
BACKGROUND: Vitamin D deficiency is ubiquitous within the population of children. A similar problem is recognized among pediatric patients with acute lymphoblastic leukemia. The purpose of this study was to analyze the prevalence of vitamin D deficiency and to investigate the connection between vitamin D status and the course of induction treatment of ALL. MATERIALS AND METHODS: A cross-sectional study including 59 patients with newly diagnosed ALL from May 2017 until November 2020. RESULTS: Vitamin D deficiency was found in 39% of the patients. There were no seasonal differences in vitamin D status. Patients with optimal 25(OH)D concentration presented more profound thrombocytopenia ( P =0.015) and required more frequent platelet transfusions ( P =0.018). Good prognosis factors such as B phenotype and hyperdiploidy were also more frequent among children with higher 25(OH)D concentration ( P =0.01 and 0.014, respectively). CONCLUSIONS: The study showed that patients with a higher serum concentration of 25(OH)D presented deeper thrombocytopenia and needed more frequent transfusions. Moreover, those patients showed higher rates of B-cell leukemia and hyperdiploid karyotype. We did not find any influence of the possible exposure to sunlight (defined as the season of the year on admission) on serum 25(OH)D concentration, which supports the argument for supplementing vitamin D all year round. Moreover, the supplementing of vitamin D seems to be safe and does not cause any renal complications connected to calcium and phosphorus imbalance as no correlation between their levels and 25(OH)D concentration was found.
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Leucemia-Linfoma Linfoblástico de Células Precursoras , Trombocitopenia , Deficiência de Vitamina D , Criança , Humanos , Vitamina D , Estudos Transversais , Vitaminas , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamento farmacológico , Leucemia-Linfoma Linfoblástico de Células Precursoras/complicações , Trombocitopenia/complicações , Estações do Ano , PrevalênciaRESUMO
BACKGROUND: Pentraxins are inflammatory proteins and markers of acute-phase responses. They are divided into short and long subgroups based on the length of the N-terminal region. The most studied short pentraxin is the C-reactive protein (CRP), which is known to be expressed in various inflammatory conditions, including surgical procedures. On the other hand, much less is known about the kinetics of long pentraxin 3 (PTX3) in surgical patients, especially in the pediatric population. The aim of this prospective study was to determine the early postoperative kinetics of PTX3 in relation to procalcitonin (PCT) and CRP levels in children undergoing congenital heart surgery with cardiopulmonary bypass (CPB). METHODS: A total of 21 children (9 boys and 12 girls, mean age 12 months) were included in the study. Blood samples for determination of CRP, PCT, and PTX3 levels were collected before the surgery and then immediately after its completion (postoperative day 0, POD 0) and subsequently at POD 1, 2, and 3. RESULTS: Serum PTX3 concentrations increased significantly between POD 0 and POD 1 (mean values were 12.2 and 72.4 ng/ml, respectively, p<0.001), decreased between POD 1 and POD 2 (mean values were 72.4 and 23.6 ng/ml, respectively, p<0.001), and normalized on POD 3 (the mean value was 1.2 ng/ml). CONCLUSIONS: PTX3 concentrations are markedly elevated during the first postoperative day. Under normal circumstances, PTX3 rises and falls quickly, and its second rise in the early postoperative period may be abnormal, however, further studies are necessary.
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Background and Objectives: Over the years, surgical repair of total anomalous pulmonary venous connection (TAPVC) outcomes have improved, however, morbidity and mortality still remain significant. This study aims to assess the early and long-term outcomes of surgical treatment of TAPVC children, operated on between 2006 and 2016, in one pediatric center in Poland. Materials and Methods: Diagnostics, surgical treatment, and follow-up data from 83 patients were collected. In addition, survival and risk factor analyses, control echocardiographic, and electrocardiographic examinations were performed. Results: In the analyzed group (n = 83), there were seven hospital deaths (within 30 days after the operation) (8.4%) and nine late deaths (10.8%). The mean follow-up time was 5.5 years, and, for patients who survived, it was 7.1 years. The mean survival time in patients with completed follow-up (n = 70) was 10.3 years; the overall five-year survival rate was 78.4%. Independent mortality risk factors were type I TAPVC, single ventricle physiology, time from admission to operation, intensive care unit stay, postoperative hospital stay, and temporary kidney insufficiency requiring dialysis. Conclusions: The presence of single ventricle physiology and the supracardiac subtype of TAPVC might be negative prognostic factors, while normal heart physiology presents with good post-repair results. This study indicates that cardiac arrhythmias may occur. Morbidity and mortality, related to surgical TAPVC correction, still remain significant.
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Diálise Renal , Síndrome de Cimitarra , Criança , Humanos , Estudos Retrospectivos , Síndrome de Cimitarra/cirurgia , Resultado do Tratamento , Procedimentos Cirúrgicos Vasculares/métodosRESUMO
OBJECTIVES: To describe characteristic features in children with recurrent or persistent salivary gland enlargement and to propose a diagnostic algorithm with specific consideration for Sjögren's disease (SD). METHODS: In this single-center, prospective study, 45 patients < 18 years, with recurrent or persistent salivary gland enlargement of unknown etiology were enrolled from 2006 to 2019. We collected detailed clinical information to characterize this group of patients including specific details of their major salivary gland signs and symptoms. We compared clinical, laboratory and radiological parameters between 4 groups based on the results of labial salivary gland biopsy (LSGB) and between patients who met existing SD criteria or not. RESULTS: 44 patients, with a mean age of 6.8 years and female to male ratio 21:23 were observed over a mean of 3.8 years. Characteristics of salivary gland swelling episodes varied considerably between individuals, but the majority experienced ≤5 episodes per year, lasting ≤ 1 week, with swelling affecting either or both glands. Ocular and oral dryness symptoms were observed only in 25% and 59% patients, respectively. The majority were positive for ANA, but negative for SD-specific antibodies. A total of 75% patients fulfilled at least one of the existing SD criteria. CONCLUSION: SD is a major cause of recurrent salivary gland enlargement in children. For children meeting adult criteria, the diagnosis of SD is clear. However, for the many children without dryness symptoms, objective dryness, or SD-specific antibodies, further workup including a combination of salivary gland imaging and histopathological examination can help establish the diagnosis of SD.
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Glândulas Salivares , Síndrome de Sjogren , Adulto , Biópsia , Criança , Feminino , Humanos , Masculino , Estudos Prospectivos , Glândulas Salivares/diagnóstico por imagem , Glândulas Salivares/patologia , Síndrome de Sjogren/diagnóstico , Síndrome de Sjogren/diagnóstico por imagemRESUMO
Pediatric cardiac surgery requires perioperative antibiotic prophylaxis (PAP) to reduce the risk of surgical site infections. However, the complexity of these procedures and the metabolic immaturity of children impede the establishment of PAP regimens that are both efficacious and in line with antimicrobial stewardship (AMS). In this study, we compared two PAP regimens: cefazolin with gentamicin (in a retrospective group) and cefazolin only (prospectively) in children undergoing elective cardiac surgery. In the prospective group, additional elements of AMS were introduced, i.e., restricted access to cefazolin and more diligent use of empirical antibiotics proceeded by consultation with an AMS team. The rate of surgical site infections (SSI), the scope of PAP deviations, and the postoperative use of antibiotics other than PAP within 30 days after surgery were analyzed. There were no significant differences in the rate of SSIs between the groups (3.9% vs. 1.2% in the prospective and retrospective groups, respectively (p = 0.35)). However, in the prospective group, the PAP violation was significantly reduced compared with the retrospective group (full compliance with the PAP regimen was 45.5% vs. 4.8%, p < 0.001, respectively). In addition, a reduction of postoperative antibiotic use was observed in the prospective group (0.991 vs. 1.932 defined daily doses, respectively).
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OBJECTIVES: To determine the recommended concentrations of cefazolin to be used for antibiotic prophylaxis during paediatric cardiac surgery with extracorporeal circulation (ECC). METHODS: Twenty paediatric patients undergoing cardiac surgery with ECC and cefazolin antibiotic prophylaxis were included in the study. Blood samples for measurement of total cefazolin plasma concentration were collected at the following measurement time points: directly after skin incision, 15 min after ECC start, 5 min after ECC cessation and at skin closure. The target concentration was set for ≥40 mg/l, which corresponded to ≥8 mg/l of unbound cefazolin concentration. RESULTS: The median total cefazolin plasma concentrations at the measurement time points were 62.8, 67.7, 45.8 and 34.2 mg/l, respectively, and target concentrations were achieved in 90%, 85%, 65% and 40% of children, respectively. Among patients who received ≥30 mg of cefazolin per 100 ml of ECC priming, target concentrations after ECC cessation were reached in 80% of patients, while in those with <30 mg cefazolin per 100 ml in 20% of patients (P = 0.031). CONCLUSIONS: Direct extrapolation of antibiotic prophylaxis recommendations from adults to children may result in suboptimal antibiotic concentrations. An additional cefazolin dose to ECC priming appears necessary and the dosing should be based on ECC priming volume rather than on the weight of the patient.
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Procedimentos Cirúrgicos Cardíacos , Cefazolina , Adulto , Antibacterianos/uso terapêutico , Antibioticoprofilaxia , Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Ponte Cardiopulmonar/efeitos adversos , Cefazolina/uso terapêutico , Criança , Humanos , Infecção da Ferida Cirúrgica/prevenção & controleRESUMO
Our goal was to describe a fatal air embolization that probably occurred through an inflow cannula implantation site as a result of a tension pneumothorax in a child with a left ventricular assist device. This is the first case that highlights the possibility of a left ventricular assist device air embolism in a child with a pneumothorax, especially a tension pneumothorax. The risk of air embolism increases with positive pressure in the pleural and pericardial cavities.
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Embolia Aérea , Embolização Terapêutica , Insuficiência Cardíaca , Coração Auxiliar , Pneumotórax , Criança , Embolia Aérea/diagnóstico por imagem , Embolia Aérea/etiologia , Embolização Terapêutica/efeitos adversos , Insuficiência Cardíaca/terapia , Coração Auxiliar/efeitos adversos , Humanos , Pneumotórax/diagnóstico por imagem , Pneumotórax/etiologiaRESUMO
Background and Objectives: Surgical site infection (SSI) is a significant complication of non-reconstructive and reconstructive breast surgery. This study aimed to assess SSI after breast surgery over five years in a single center in Poland. The microorganisms responsible for SSI and their antibiotic susceptibilities were determined. Materials and Methods: Data from 2129 patients acquired over five years postoperatively by the Department of Surgical Oncology, Medical University of Gdansk in Poland were analyzed. Results: SSI was diagnosed in 132 patients (6.2%) and was an early infection in most cases (65.2%). The incidence of SSI was highest in patients who underwent subcutaneous amputation with simultaneous reconstruction using an artificial prosthesis (14.6%), and breast reconstruction via the transverse rectus abdominis muscle (TRAM) flap method (14.3%). Gram-positive bacteria were responsible for SSI in most cases (72.1%), and these were mainly Staphylococcus strains (53.6%). These strains were 100% susceptible to all beta-lactam antibiotics (except penicillin) but were less susceptible to macrolides and lincosamides. Conclusions: SSI is a serious problem, and attention should be focused on its prevention. Reconstruction using an artificial prosthesis or via the TRAM flap method is connected to increased SSI incidence. Further studies are required to prevent SSI following breast surgery.
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Mama/cirurgia , Infecção da Ferida Cirúrgica/microbiologia , Adulto , Idoso , Antibacterianos/uso terapêutico , Implantes de Mama/efeitos adversos , Feminino , Humanos , Incidência , Mamoplastia/efeitos adversos , Mamoplastia/métodos , Mastectomia/efeitos adversos , Mastectomia/métodos , Pessoa de Meia-Idade , Polônia/epidemiologia , Estudos Retrospectivos , Infecção da Ferida Cirúrgica/tratamento farmacológico , Infecção da Ferida Cirúrgica/epidemiologia , Fatores de Tempo , beta-Lactamas/uso terapêuticoRESUMO
Background: Prophylactic antibiotic therapy is given routinely in the peri-operative period to prevent surgical site infection. However, in pediatric cardiac surgery, an optimal schedule has not been defined. Pediatric recommendations follow the guidelines for adults, which might be improper because of the inherent challenges in pediatric research and the heterogeneity of the population. Implementation of an effective prophylaxis protocol is needed for children undergoing cardiac surgery, especially in view of worldwide antibiotic overuse and the development of drug resistance. In this review, we analyze the current knowledge supported by up-to-date publications about antibiotic prophylaxis in pediatric cardiac surgery. Methods: The PubMed® database was searched for full-text journal articles describing peri-operative antibiotic prophylaxis in pediatric cardiac surgery published since 2000. Antibiotics used for standard prophylaxis with dosing schema, time of the first dose, additional dosage in extracorporeal circulation (ECC) priming, and prophylaxis duration were analyzed. Additionally, we looked for special clinical situations such as antibiotic prophylaxis in children with the sternum left open after surgery and patients with ß-lactam allergy or pre-operative methicillin-resistant Staphylococcus aureus (MRSA) colonization or those requiring extracorporeal membrane oxygenation (ECMO). Results: A total of 1,546 articles were evaluated, and we identified 20 for further analysis. On the basis of the current peri-operative antibiotic prophylaxis recommendations for cardiac surgery and the papers reviewed, we tried to propose a schedule for peri-operative antibiotic prophylaxis in pediatric cardiac surgery. Conclusions: There is a need for careful use and examination of the schedule proposed because the pharmacokinetics of antibiotics in pediatric patients with ECC is not fully understood. This should be evaluated further. Formulating uniform recommendations concerning peri-operative antibiotic prophylaxis is difficult.
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Antibacterianos/administração & dosagem , Antibioticoprofilaxia/métodos , Assistência Perioperatória/métodos , Infecção da Ferida Cirúrgica/prevenção & controle , Cirurgia Torácica/métodos , Procedimentos Cirúrgicos Torácicos/efeitos adversos , Hospitais Pediátricos , HumanosRESUMO
We present the surgical implantation of the Edwards Inspiris Resilia® aortic valve in mitral position for mechanical mitral valve failure in a severely ill infant after valve replacement because of anomalous origin of the left coronary artery from the pulmonary artery. The biological valve was chosen because the child could not receive oral anticoagulation and was for several months on heparin infusion. The procedure was safely performed with good haemodynamic result.
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Anormalidades Múltiplas , Valva Aórtica/cirurgia , Procedimentos Cirúrgicos Cardíacos/métodos , Anomalias dos Vasos Coronários/cirurgia , Próteses Valvulares Cardíacas/efeitos adversos , Insuficiência da Valva Mitral/cirurgia , Valva Mitral/cirurgia , Valva Aórtica/diagnóstico por imagem , Angiografia Coronária , Anomalias dos Vasos Coronários/diagnóstico , Ecocardiografia , Feminino , Seguimentos , Humanos , Lactente , Valva Mitral/diagnóstico por imagem , Insuficiência da Valva Mitral/diagnóstico , Desenho de Prótese , Falha de Prótese , ReoperaçãoRESUMO
Invasive mucormycosis in immunocompromised children is a life-threatening fungal infection. We report a case of a 7-year-old girl treated for acute lymphoblastic leukaemia complicated by disseminated mucormycosis during induction therapy. Microscopic examination of surgically removed lung tissue revealed wide, pauci-septate hyphae suggesting a Mucorales infection. This diagnosis was confirmed immunohistochemically and by PCR analysis followed by a final identification of Cunninghamella sp. The patient was treated successfully with surgical debridement and antifungal combination therapy with amphotericin B, caspofungin and isavuconazole. The use of isavuconazole in a child was not previously reported. Additionally, case reports concerning pulmonary mucormycoses in paediatric population published after 2010 were reviewed. Nineteen out of 26 identified patients suffered from haematological diseases. Reported mortality reached 38.5%. By the fact of rising morbidity, unsatisfactory results of treatment and remaining high mortality of mucormycoses in immunocompromised patients, new therapeutic options are warrant. Isavuconazole, with its broad-spectrum activity, good safety profile and favourable pharmacokinetics, is a promising drug. However, further studies are necessary to confirm positive impact of isavuconazole on mucormycosis treatment in children.
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Antifúngicos/administração & dosagem , Cunninghamella/isolamento & purificação , Hemocromatose/complicações , Infecções Fúngicas Invasivas/diagnóstico , Mucormicose/diagnóstico , Nitrilas/administração & dosagem , Leucemia-Linfoma Linfoblástico de Células Precursoras/complicações , Piridinas/administração & dosagem , Triazóis/administração & dosagem , Anfotericina B/administração & dosagem , Caspofungina/administração & dosagem , Criança , Desbridamento , Quimioterapia Combinada/métodos , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos/epidemiologia , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos/patologia , Feminino , Humanos , Infecções Fúngicas Invasivas/terapia , Mucormicose/terapia , Resultado do TratamentoRESUMO
BACKGROUND: Pathological nipple discharge (PND) is associated with serious clinical and diagnostic issues. Fiberoductoscopy (FDS) is a new diagnostic option in PND patients. This study summarizes our initial experience of FDS for the management of PND patients in a single center in Poland and assesses its safety. METHODS: A total of 256 women with PND were included in this prospective, case-controlled, single-center study between 2006 and 2014. Of the 250 patients who underwent FDS, 154 had mammary duct lesions and 96 had no visible lesions. Subsequently, 129 patients with lesions identified by FDS underwent microductectomy and the lesions were pathologically evaluated. RESULTS: The mean duration of FDS examination was 17 min. The most frequent intraductal lesion was amputation of a duct (35.1%), followed by circular narrowing or hyperplasia (22.7%). Final histological findings were unremarkable in 11.6% of cases, whereas mammary duct papilloma, duct ectasia, and ductal carcinoma in situ were detected in 71.3, 10.9, and 6.2% of cases, respectively. CONCLUSIONS: FDS is an innovative method for visualizing intraductal mammary lesions and allows accurate selection of mammary ducts with suspicious lesions that require surgical removal in women with PND.
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Doenças Mamárias/diagnóstico , Endoscopia/instrumentação , Derrame Papilar , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Casos e Controles , Feminino , Humanos , Glândulas Mamárias Humanas , Pessoa de Meia-Idade , Mamilos , Polônia , Valor Preditivo dos Testes , Estudos Prospectivos , Adulto JovemRESUMO
BACKGROUND: Extracorporeal circulation is associated with systemic inflammatory response syndrome. Therefore, the diagnosis of infection should be differentiated from a typical postoperative course. AIM: The aim of the study was to evaluate the kinetics of inflammatory biomarkers in children in the first days after cardiac surgery with extracorporeal circulation. METHODS: Prospective data were collected from 51 consecutive children referred for surgical treatment in Department of Paediatric Cardiac Surgery, St. Adalbertus Hospital in Gdansk, between February and August 2015. Blood samples were collected on the first, second, and third postoperative days and sent to the institutional laboratory for routine investigations: white blood cell count, serum C-reactive protein (CRP) and procalcitonin concentrations. RESULTS: The highest levels of procalcitonin were on the first postoperative day (median 3.53 ng/mL), although the peak values of CRP concentration and white blood cell count were on the second postoperative day (96 mg/L and 17.3 G/L). In the group of patients with foreign material implantation (Contegra® or Gore-Tex®), the higher values of procalcitonin concentration and white blood cell count were measured in the subsequent postoperative days. CONCLUSIONS: The kinetics of analysed inflammatory biomarkers on the first days after cardiac surgery for congenital heart disease in children have different characteristics. The knowledge about the kinetics of inflammatory biomarkers could be useful in determining the possibility of evolving infections in the early postoperative period.
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Calcitonina , Procedimentos Cirúrgicos Cardíacos , Circulação Extracorpórea , Cardiopatias Congênitas/cirurgia , Biomarcadores/sangue , Proteína C-Reativa/análise , Calcitonina/sangue , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Recém-Nascido , Inflamação , Cinética , Masculino , Período Pós-Operatório , Fatores de TempoRESUMO
PURPOSE: This retrospective cohort study aimed to identify the early postoperative kinetics of C-reactive protein (CRP) and procalcitonin (PCT) in children undergoing tetralogy of Fallot (ToF) correction. The ability of these inflammatory markers to guide rational antibiotic usage was also determined. MATERIALS AND METHODS: All consecutive children who underwent ToF correction in 2009-2016 in our referral pediatric cardiac surgery clinic in Gdansk, Poland and did not exhibit infection signs on early postoperative days (POD) were identified. All patients received 48h antibiotic prophylaxis. Antibiotic treatment was extended or empirical antibiotic therapy was introduced if the clinician considered it necessary. CRP and PCT levels were measured on POD1-4 and 1-3, respectively. RESULTS: Of the 60 eligible children, 44 underwent CRP testing only. The remaining 16 patients underwent both CRP and PCT testing. All patients had abnormally high CRP values after surgery. All patients who also underwent PCT testing also displayed elevated PCT levels. The CRP and PCT levels peaked on POD2 (median=99.8mg/L) and POD1 (median=4.08ng/mL), respectively. In the CRP-alone patients, antibiotic prophylaxis was prolonged or empirical antibiotic therapy was started in 59%; in the CRP and PCT group, this was 25% (p<0.05). CONCLUSIONS: The children had elevated CRP and PCT levels after ToF correction, with peaks observed on POD2 and POD1, respectively. Monitoring both CRP and PCT in the early postoperative period may guide antibiotic therapy, thus reducing unnecessary treatment, additional toxicity, and adverse drug interactions without increasing treatment failure. Rational antibiotic treatment may also reduce antibiotic resistance.
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Antibacterianos/uso terapêutico , Proteína C-Reativa/metabolismo , Calcitonina/sangue , Tetralogia de Fallot/sangue , Tetralogia de Fallot/cirurgia , Antibioticoprofilaxia , Criança , Demografia , Feminino , Humanos , Cinética , Masculino , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/prevenção & controle , Período Pós-Operatório , Tetralogia de Fallot/tratamento farmacológicoRESUMO
Cardiac tumors are extremely rare in neonates. We describe the case of a right atrial hemangioma in a neonate diagnosed prenatally and successfully operated on the first day of life.
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Neoplasias Cardíacas/cirurgia , Hemangioma Capilar/cirurgia , Feminino , Átrios do Coração/diagnóstico por imagem , Átrios do Coração/cirurgia , Neoplasias Cardíacas/diagnóstico por imagem , Hemangioma Capilar/diagnóstico por imagem , Humanos , Recém-Nascido , Gravidez , Ultrassonografia Pré-NatalRESUMO
BACKGROUND AND AIM: Acute endocarditis (AE) is still rare disease in the paediatric population; nevertheless, the children suffering from AE usually need heart valve repair or replacement in emergency settings. METHODS: We present a case of emergency mitral valve replacement with the use of Melody balloon expandable stented bioprosthesis in a two-year-old patient with AE and subsequent mitral (bicuspid) valve incompetence after aggressive infective destruction with the symptoms of critical multi-organ failure. RESULTS: The patient, with a history of rapid deterioration after two-week-long septicaemia in the course of AE, was operated urgently after initial antibiotic treatment because of huge vegetations into the mitral valve orifice. A Melody TVP 22 valve was expanded over a 16-mm TyShak balloon and implanted into a mitral position (Melody-MVR) with good result. CONCLUSIONS: Based on current knowledge concerning heart valve reconstructions and institutional experience, we conclude that infected mitral valve in children should be primarily repaired; nevertheless, the Melody valve could be reasonably con-sidered as a mitral prosthesis in such conditions.