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1.
Transpl Immunol ; 68: 101443, 2021 10.
Artigo em Inglês | MEDLINE | ID: mdl-34352365

RESUMO

BACKGROUND: Data on individualized immunosuppressive protocols for the pediatric heart recipients are missing in Europe. To contribute to this very small but specialized field, we describe the use of induction therapy (IT) in pediatric heart transplant patients in Switzerland and the retrospective outcomes. METHOD: This is a retrospective national database analysis of children <19 years of age at time of heart transplantation (HT) from 05/2008-01/2018. Use of IT or no IT, use of steroids, calculated panel reactive antibodies (cPRA) and outcomes (Mortality, post-transplant lymphoproliferative disease (PTLD), rejection rates) were studied within a mean follow-up period of 2.9 years (0.2-8.1 years). RESULTS: All 32 patients (12♂, 20♀), median age at HT of 6.4 years (24 days - 18 years) received IT using either polyclonal antibodies (ATG; 72%) or interleukin-2 receptor antagonist (anti-IL-2R mAb; 28%). Length of treatment was median of 4 (1-63) days. At time of HT all patients received steroids, while at discharge 32% and one year after HT 19%. Kaplan-Meier analysis of survival revealed a one-year survival of 86%. Three out of 7 patients with elevated cPRA (43%) died. Median time to first treated rejection was 19.4 months (±60.5 SD) without significant difference if treated with anti-IL-2R mAb or ATG (p:0.5). No development of PTLD, chronic renal failure needing ongoing renal replacement therapy or diabetes mellitus were recorded. DISCUSSION: This is the first report of the national practice use of IT within Switzerland. It reveals a high use of IT, no development of PTLD and a low use of steroids at one-year post HT.


Assuntos
Transplante de Coração , Quimioterapia de Indução , Criança , Rejeição de Enxerto/epidemiologia , Humanos , Imunossupressores/uso terapêutico , Estudos Retrospectivos , Suíça/epidemiologia
2.
Clin Res Cardiol ; 108(6): 683-690, 2019 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-30519781

RESUMO

BACKGROUND: As there are limited data about the clinical practice of catheter ablation in asymptomatic children and adolescents with ventricular preexcitation on ECG, we performed the multicenter "CASPED" (Catheter ablation in ASymptomatic PEDiatric patients with Ventricular Preexcitation) study. METHODS AND RESULTS: In 182 consecutive children and adolescents aged between 8 and 18 years (mean age 12.9 ± 2.6 years; 65% male) with asymptomatic ventricular preexcitation, a total of 196 accessory pathways (APs) were targeted. APs were right sided (62%) or left sided (38%). The most common right-sided AP location was the posteroseptal region (38%). Ablation was performed using radiofrequency (RF) energy (93%), cryoablation (4%) or both (3%). Mean procedure time was 137.6 ± 62.0 min with a mean fluoroscopy time of 15.6 ± 13.8 min. A 3D mapping or catheter localization system was used in 32% of patients. Catheter ablation was acutely successful in 166/182 patients (91.2%). Mortality was 0% and there were no major periprocedural complications. AP recurrence was observed in 14/166 patients (8.4%) during a mean follow-up time of 19.7 ± 8.5 months. A second ablation attempt was performed in 20 patients and was successful in 16/20 patients (80%). Overall, long-term success rate was 92.3%. CONCLUSION: In this retrospective multicenter study, the outcome of catheter ablation for asymptomatic preexcitation in children and adolescents irrespective of antegrade AP conduction properties is summarized. The complication rate was low and success rate was high, the latter mainly depending on pathway location. The promising results of the study may have future impact on the ongoing risk-benefit discussion regarding catheter ablation in the setting of asymptomatic preexcitation in children and adolescents.


Assuntos
Feixe Acessório Atrioventricular , Ablação por Cateter , Criocirurgia , Síndrome de Wolff-Parkinson-White/cirurgia , Potenciais de Ação , Adolescente , Fatores Etários , Doenças Assintomáticas , Ablação por Cateter/efeitos adversos , Ablação por Cateter/mortalidade , Criança , Criocirurgia/efeitos adversos , Criocirurgia/mortalidade , Feminino , Alemanha , Frequência Cardíaca , Humanos , Masculino , Recidiva , Estudos Retrospectivos , Fatores de Risco , Suíça , Fatores de Tempo , Resultado do Tratamento , Síndrome de Wolff-Parkinson-White/diagnóstico , Síndrome de Wolff-Parkinson-White/mortalidade , Síndrome de Wolff-Parkinson-White/fisiopatologia
3.
Europace ; 20(FI1): f113-f121, 2018 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-29016797

RESUMO

Aims: Short QT syndrome (SQTS) is a rare cardiac channelopathy characterized by a shortened corrected QT (QTc)-interval that can lead to ventricular arrhythmias and sudden cardiac death. The aim of this study was to investigate the clinical phenotypes and long-term outcomes of three families harbouring genetic mutations associated with the SQTS. Methods and results: Clinical data included medical history, physical examination, 12-lead ECG, 24-h Holter-ECG, and transthoracic echocardiography from three index patients and their first-degree relatives. Next generation clinical exome sequencing and genetic cascade screening were performed in index patients and their relatives, respectively. Two index patients experienced malignant ventricular arrhythmias and one patient suffered from arrhythmogenic syncope during a median follow-up period of 8 years. They all had genetic mutations associated with the SQTS. Two mutations were found in the KCNH2 gene, and one in the CACNA2D gene. One patient had an additional SCN10A variant. Alive and mutation-positive family members had short QTc-intervals, but no further phenotypic manifestations. None of the mutation-negative family members had an abnormal ECG or any symptoms. In all patients with shortened QTc-intervals, the QTc-interval had a low long-term variability and QTc shortening always remained detectable by 12-lead ECG. Conclusion: This study shows the variety of phenotypic manifestations in different families with SQTS. It further emphasizes the importance of a 12-lead ECG for early diagnosis, and the utility of next generation sequencing for the identification of mutations associated with the SQTS.


Assuntos
Potenciais de Ação , Arritmias Cardíacas/diagnóstico , Eletrocardiografia , Sistema de Condução Cardíaco/fisiopatologia , Frequência Cardíaca , Potenciais de Ação/genética , Adolescente , Adulto , Arritmias Cardíacas/genética , Arritmias Cardíacas/fisiopatologia , Arritmias Cardíacas/terapia , Canais de Cálcio/genética , Criança , Morte Súbita Cardíaca/prevenção & controle , Desfibriladores Implantáveis , Canal de Potássio ERG1/genética , Diagnóstico Precoce , Cardioversão Elétrica/instrumentação , Feminino , Predisposição Genética para Doença , Frequência Cardíaca/genética , Hereditariedade , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Mutação , Canal de Sódio Disparado por Voltagem NAV1.8/genética , Linhagem , Fenótipo , Valor Preditivo dos Testes , Prognóstico , Fatores de Risco , Fatores de Tempo , Adulto Jovem
4.
Br Dent J ; 222(6): 457-461, 2017 Mar 24.
Artigo em Inglês | MEDLINE | ID: mdl-28336989

RESUMO

Objective To determine how patients want to be greeted by clinicians on a first encounter in the clinical setting.Setting A UK dental teaching hospital in 2015/16.Materials and methods Data was collected prospectively via 450 patient questionnaires. The results were stratified by generational cohort and compared to assess if there was an association between patient preferences and the generational theory.Results Patients preferred to be greeted informally by their first name and didn't mind how the clinician introduced themselves or preferred them to use their first name also. Patients showed a preference to shake hands with their clinician, particularly in older generational cohorts. The majority of patients believed that it was helpful to know the training grade of the clinician providing treatment but didn't understand what the different grades meant. Patients believed that explaining the different training grades and using colour-coded uniforms would be useful.Conclusions Consideration should be given to addressing patients informally by their first name and shaking hands at a first encounter. Clinicians should routinely disclose their training grade when introducing themselves and consideration should be given to providing patients with an explanation of the different training grades and using colour-coded uniforms to avoid confusion.


Assuntos
Relações Dentista-Paciente , Preferência do Paciente , Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Autorrelato , Adulto Jovem
5.
Prim Dent J ; 3(1): 28-9, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-25198327

RESUMO

This case report is of a significant chemical burn to the face resulting from the use of an external garlic poultice for toothache. The patient used internet search engines to seek a toothache remedy and did not identify any reports of this complication. This report aims to inform all dentists of the risks of raw garlic application to the skin and also to ensure that in the future any patient using the internet for a toothache remedy will be made aware of the potential risk and how to avoid it.


Assuntos
Queimaduras Químicas/etiologia , Traumatismos Faciais/etiologia , Alho , Fitoterapia/efeitos adversos , Preparações de Plantas/efeitos adversos , Odontalgia/terapia , Feminino , Seguimentos , Homeopatia/efeitos adversos , Humanos , Pessoa de Meia-Idade , Periodontite Periapical/diagnóstico , Odontalgia/diagnóstico
7.
Qual Life Res ; 22(10): 2877-88, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-23605935

RESUMO

PURPOSE: Heart diseases are often associated with residual injuries, persisting functional restrictions, and long-term sequelae for psychosocial development. Currently, there are no disease-specific instruments to assess the health-related quality of life (HrQoL) of pre-school children. The aims of this study were to develop a parent proxy instrument to measure the HrQoL of children aged 3-7 years with a heart disease and to confirm its validity and reliability. METHODS: Items from the Preschool Pediatric Cardiac Quality of Life Inventory (P-PCQLI) were generated through focus groups of caregivers. In a pilot study, comprehensibility and feasibility were tested. Five subdimensions were defined theoretically. Psychometric properties were analysed within a multicentre study with 167 parental caregivers. RESULTS: The final 52-item instrument contains a total score covering five moderately inter-correlated dimensions. The total score of the questionnaire showed a very high internal consistency (Cronbachs' α = 0.95). Test-retest correlation was at r tt = 0.96. External validity was indicated by higher correlations (r = 0.24-0.68) with a generic paediatric quality of life questionnaire (KINDL) compared to the Strengths and Difficulties Questionnaire (r = 0.17 to 0.59). Low P-PCQLI total scores were significantly associated with inpatient as opposed to outpatient treatment (t = 6.04, p < .001), with at least moderate disease severity ((t = 5.05, p < .001) NYHA classification) and with poorer prognosis (t = 5.53, p < .001) as estimated by the physician. CONCLUSIONS: The P-PCQLI is reliable and valid for pre-school children with a heart disease. It could be used as a screening instrument in routine care, and for evaluation of HrQoL outcomes in clinical trials and intervention research.


Assuntos
Indicadores Básicos de Saúde , Cardiopatias/psicologia , Pais/psicologia , Psicometria/métodos , Qualidade de Vida/psicologia , Inquéritos e Questionários/normas , Adulto , Cuidadores/psicologia , Criança , Pré-Escolar , Doença Crônica/psicologia , Estudos de Viabilidade , Feminino , Cardiopatias/fisiopatologia , Humanos , Hungria , Masculino , Pediatria , Procurador , Psicometria/instrumentação , Reprodutibilidade dos Testes , Instituições Acadêmicas , Perfil de Impacto da Doença
8.
Int J Cardiol Heart Vessel ; 2: 1-7, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-29450157

RESUMO

BACKGROUND: Lysosomal storage disease (LSD) is a rare inherited disease group. Consecutively there are few data on cardiac changes in mucopolysaccharidosis (MPS), Anderson Fabry disease (AFD), and other LSD (oLSD) including Pompe disease (PD) and Danon disease (DD), I-cell disease ICD and mucolipidosis III (ML III). METHODS: Between 1994 and 2011, we identified 39 patients with LSD: 25 with MPS, 8 with AFD, and 6 with oLSD including PD (1), ML III (2), DD (1), and ICD (2) at our institution fulfilling the inclusion criteria of at least one echocardiogram and ECG. RESULTS: Median age was 11.4 years (range: 2-27), 22 were females (56%). Normal echocardiograms were present in 12 patients (31%): 4 with MPS (16%), 7 AFD (88%), and 1 oLSD (17%). Valvular heart disease was present in 23 patients (59%) occurring more often in MPS (76%) and oLSD (67%) than in AFD (0%) (p < 0.001). The most common ECG abnormality was a short PR interval in 10 of 35 patients (29%) occurring in all LSD groups. Median follow-up was 5.8 (0.2-22.2) years showing diminished 5-year survival compared to an age-matched group. However, no patient died due to a cardiac cause and no cardiovascular intervention was necessary. CONCLUSION: Echocardiographically detectable cardiovascular involvement in children with LSD is mostly confined to MPS and oLSD. Valve thickening in echo and a short PR interval in the ECG are the most frequent abnormalities. Routine repeat assessment is recommended in LSD. However, significant cardiac disease necessitating cardiac intervention is rare during a short follow-up.

9.
Eur J Dent Educ ; 15(4): 244-9, 2011 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-21985209

RESUMO

BACKGROUND: The assessment of clinical skills is essential to determine whether an undergraduate is competent to perform the tasks outlined in the curriculum. Such assessments in dentistry have historically not been subjected to large scale validity and reliability testing due the relatively small student numbers at each institute. The aims of this study were to test the validity and reliability of a standardised, checklist-based, suturing objective structured clinical examination (OSCE) and then to perform a multicentre trial to determine its performance over a large cohort of students. MATERIALS AND METHODS: A total of seven UK schools agreed to take part in the trial. To test the validity and reliability of the checklist, the examiner at each institution reviewed and scored video footage of 10 students performing the assessment. Each institution then carried out the assessment providing a checklist score and a global score for each of their own students. RESULTS: The assessment was well received by the staff, with acceptable inter-examiner variability. In total, 496 students completed the suturing OSCE with a success rate of 81% with a variation between schools of between 66% and 96%. A significant correlation was found between the checklist score and the global score (r = 0.361, P = 0.000). No one item on the checklist was found to be a determinant factor in the outcome of the OSCE. CONCLUSIONS: This checklist-based assessment of suturing skills was found to have face and content validity. Its reliability was promising, but merits further investigation. There may be an argument for the standardisation of the assessment of this core surgical skill throughout several UK-based dental schools.


Assuntos
Lista de Checagem , Competência Clínica , Avaliação Educacional/métodos , Estudantes de Odontologia , Técnicas de Sutura , Distribuição de Qui-Quadrado , Humanos , Reprodutibilidade dos Testes , Reino Unido
10.
Eur J Dent Educ ; 14(4): 210-4, 2010 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-20946248

RESUMO

UNLABELLED: The assessment of competence in clinical skills has become more frequent in published healthcare curricula and syllabuses recently. There are agreed mechanisms for the assessment of competence in the post-graduate environment, but no consensus within the undergraduate curriculum. This paper seeks to develop an agreed generic checklist for the assessment of competence in forceps exodontia. MATERIALS AND METHODS: A modified Delphi process was undertaken with representatives from all UK dental schools (n = 13) to develop a generic checklist for the assessment of competence in forceps exodontia. A content analysis of the assessments employed by each school was used to help discussion and inform the Delphi process. RESULTS: Seven schools currently employ a summative assessment of competence in forceps exodontia, with the majority employing a structured clinical objective test (n = 6). From the seven assessments, there were a total of 29 putative items and 10 putative domains identified for a generic checklist. These were reduced to five domains and 19 items through the content analysis and Delphi process, and a generic overarching checklist was created. CONCLUSION: Using this generic checklist, it may now be possible to pool data inter-institution to perform more powerful analyses on how our students obtain, or fail to obtain competence in forceps exodontia.


Assuntos
Competência Clínica/normas , Consenso , Educação em Odontologia/normas , Procedimentos Cirúrgicos Bucais/educação , Extração Dentária/instrumentação , Lista de Checagem , Currículo , Técnica Delphi , Avaliação Educacional/métodos , Retroalimentação , Humanos , Faculdades de Odontologia , Reino Unido
11.
Br J Anaesth ; 105(4): 437-41, 2010 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-20682568

RESUMO

BACKGROUND: It is controversial as to whether T-wave elevation is caused by local anaesthetics, epinephrine, or their combination. It has been shown that T-elevation after intravascular injection of a small bupivacaine test dose is caused by epinephrine and not by bupivacaine. The aim of this study was to investigate ECG changes with higher doses of i.v. bupivacaine. METHODS: Thirty neonatal pigs were anaesthetized with sevoflurane and their tracheas intubated and artificially ventilated. Under steady-state conditions, bupivacaine was continuously infused (flow rate 3.2 ml kg(-1) min(-1)) by a syringe infusion pump through a central venous catheter. Group 1 received bupivacaine 0.125%, Group 2 bupivacaine 0.5%. The ECG was continuously printed and subsequently analysed for alterations in heart rate, ventricular de- and repolarization, and arrhythmias at 1.25, 2.5, and 5 mg kg(-1) bupivacaine infused. RESULTS: Sinus rhythm persisted in all pigs. Heart rate decreased progressively in both groups, but this was significantly more pronounced in Group 1. T-wave elevation occurred in 40% and 0% (Groups 1 and 2) at 1.25 mg kg(-1), in 80% and 0% at 2.5 mg kg(-1), and in 93% and 80% at 5 mg kg(-1) bupivacaine infused. There were significant differences between the two groups at 1.25 and 2.5 mg kg(-1) infused. CONCLUSIONS: Higher doses of i.v. infused bupivacaine can cause T-elevation. With slower injection technique, T-elevation can already be detected at lower bupivacaine doses administered.


Assuntos
Anestésicos Locais/farmacologia , Bupivacaína/farmacologia , Eletrocardiografia/efeitos dos fármacos , Anestésicos Locais/administração & dosagem , Animais , Animais Recém-Nascidos , Bupivacaína/administração & dosagem , Relação Dose-Resposta a Droga , Feminino , Frequência Cardíaca/efeitos dos fármacos , Infusões Intravenosas , Masculino , Sus scrofa
12.
Schweiz Arch Tierheilkd ; 150(12): 599-607, 2008 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-19034844

RESUMO

Postoperative anaesthesia recovery and analgesia qualities were compared in cats anaesthetised with racemic ketamine (RS-ket) or S-ketamine (S-ket) undergoing orchiectomy. Twenty client-owned male cats received medetomidine (0.03 mg/kg) and S-ket (6 mg/kg; n = 10) or RS-ket (10 mg/kg; n = 10), all intramuscularly. After routine orchiectomy, animals received atipamezole (0.15 mg/kg) intramuscularly. Thirty and 60 min after atipamezole administration, one observer unaware of the treatment identity evaluated analgesia using a visual analogue scale (VAS) and, by means of four points scales, sedation, unprovoked behaviour and behavioural reactions to external stimuli. Cats with a VAS > or = 15 mm were to receive butorphanol. Times to sternal and standing positions were recorded. After 60 min, cats were given carprofen (4 mg/kg) subcutaneously. Anaesthesia with S-ket, at 60% of the RS-ket dose, provided faster recoveries. At 60 min, undisturbed cats in S-ket group had a trend towards fewer behavioural changes. Cats in RS-ket group were more sedate at 30 min and responded with a lower intensity to external stimulation. Immediate postoperative analgesia was considered adequate for both groups and no cat required butorphanol administration.


Assuntos
Anestesia/veterinária , Anestésicos Dissociativos/administração & dosagem , Gatos/fisiologia , Ketamina/administração & dosagem , Orquiectomia/veterinária , Anestesia/métodos , Período de Recuperação da Anestesia , Animais , Gatos/cirurgia , Injeções Intramusculares/veterinária , Ketamina/análogos & derivados , Masculino , Distribuição Aleatória
13.
Acta Anaesthesiol Scand ; 52(10): 1370-4, 2008 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-19025530

RESUMO

PURPOSE: To evaluate whether regional cerebral oxygenation (rSO(2)) by near-infrared spectroscopy correlates with central venous (SvO(2)) or internal jugular (SjO(2)) oxygen saturation, and whether changes over time (Delta) in rSO(2) (DeltarSO(2)) predict changes in SvO(2) (DeltaSvO(2)) and SjO(2) (DeltaSjO(2)). METHODS: The rSO(2) values were measured using the INVOS 5100 cerebral oximeter in children undergoing interventional cardiac catheterization and were compared with the oxygen saturation of analysed central venous and internal jugular blood samples. Changes over time (Delta) were calculated as the difference between the values before and after catheter intervention for rSO(2).(DeltarSO(2)), SvO(2).(DeltaSvO(2)) and SjO(2).(DeltaSjO(2)). Simple regression and Bland-Altman analysis were performed. Data are presented as median (range). RESULTS: Sixty patients aged 4.3 (0.2-16.0) years were investigated. A closer correlation was found between rSO(2) and SvO(2) (r=0.728, P<0.0001) than between rSO(2) and SjO(2) (r=0.665, P<0.0001). The bias between rSO(2) and SvO(2).(SjO(2)) was 0.17% (-0.60%), with limits of agreement from -15.5% to 15. 9% (-18.6-17.4%). The sensitivity/specificity for DeltarSO(2) to indicate a fall in SvO(2) or in SjO(2) was 70.3%/65.2% and 68.6%/60.0%, respectively. CONCLUSION: Neither absolute values nor changes in rSO(2) using the INVOS 5100 allowed reliable estimation of SvO(2) or SjO(2) and their trends.


Assuntos
Encéfalo/irrigação sanguínea , Oximetria/estatística & dados numéricos , Oxigênio/sangue , Adolescente , Cateterismo Venoso Central/métodos , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Veias Jugulares , Modelos Lineares , Masculino , Sensibilidade e Especificidade , Espectroscopia de Luz Próxima ao Infravermelho , Veia Cava Superior
14.
Anaesthesia ; 63(8): 851-5, 2008 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-18557743

RESUMO

The minimally invasive CardioQP oesophageal Doppler probe estimates cardiac output by measuring blood flow velocity in the descending aorta. Individual variables to enter are patient's age, weight and height. We measured cardiac output simultaneously with CardioQP and pulmonary artery catheter thermodilution techniques during heart catheterisation in 40 paediatric patients with congenital heart defects. Median [range] age was 8.2 years [0.5-16.7 years], cardiac output values measured by thermodilution and CardioQP were 3.6 l.min(-1) [1.2-7.1 l.min(-1)] and 3.0 l.min(-1) [0.7-6.7 l.min(-1)], respectively. These values showed only moderate correlation (r = 0.809; p < 0.0001). Bias and precision were 0.66 l.min(-1) and 1.79 l.min(-1) (95% limits of agreement: -1.13 to +2.45 l.min(-1)). Based on our preliminary experience, cardiac output values measured by CardioQP in children do not reliably represent cardiac output values compared with the thermodilution technique. We suggest measurement of individual aortic diameter to improve performance of the CardioQP.


Assuntos
Cateterismo Cardíaco , Débito Cardíaco , Cardiopatias Congênitas/cirurgia , Adolescente , Criança , Pré-Escolar , Ecocardiografia Transesofagiana/instrumentação , Ecocardiografia Transesofagiana/métodos , Feminino , Cardiopatias Congênitas/diagnóstico , Cardiopatias Congênitas/fisiopatologia , Humanos , Lactente , Masculino , Monitorização Intraoperatória/métodos , Monitorização Fisiológica/instrumentação , Monitorização Fisiológica/métodos , Estudos Prospectivos , Artéria Pulmonar/fisiopatologia , Reprodutibilidade dos Testes , Termodiluição
15.
Br J Anaesth ; 100(4): 517-20, 2008 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-18305081

RESUMO

BACKGROUND: We compared cardiac output (CO) measurements by the non-invasive electrical velocimetry (Aesculon) monitor with the pulmonary artery catheter (PAC) thermodilution method in children. METHODS: CO values using the Aesculon monitor and PAC thermodilution were simultaneously recorded during cardiac catheterization in children. Measurements were performed under general anaesthesia. To compare, three consecutive measurements for each patient within 3 min were obtained. The means of the three values were compared using simple regression and Bland-Altman analysis. Data were presented as mean (sd). A mean percentage of <30% was defined to indicate clinical useful reliability of the Aesculon monitor. RESULTS: A total of 50 patients with a median (range) age of 7.5 (0.5-16.5) yr were enrolled in the study. Mean CO values were 3.7 (1.5) litre min(-1) (PAC thermodilution) and 3.1 (1.7) litre min(-1) (Aesculon) monitor). Analysis for CO measurement showed a good correlation between the two methods (r=0.894; P<0.0001). The bias between the two methods was 0.66 litre min(-1) with a precision of 1.49 litre min(-1). The mean percentage error for CO measurements was 48.9% for the Aesculon monitor when compared with PAC thermodilution. CONCLUSIONS: Electrical velocimetry using the Aesculon monitor did not provide reliable CO values when compared with PAC thermodilution. Whether the Aesculon monitor can be used as a CO trend monitor has to be assessed by further investigations in patients with changing haemodynamics.


Assuntos
Débito Cardíaco , Monitorização Intraoperatória/instrumentação , Adolescente , Anestesia Geral , Cateterismo Cardíaco , Criança , Pré-Escolar , Eletrodiagnóstico/instrumentação , Feminino , Cardiopatias Congênitas/diagnóstico , Cardiopatias Congênitas/cirurgia , Humanos , Lactente , Masculino , Monitorização Intraoperatória/métodos , Estudos Prospectivos , Reprodutibilidade dos Testes , Reologia/instrumentação , Termodiluição
16.
Br J Anaesth ; 96(4): 486-91, 2006 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-16464981

RESUMO

BACKGROUND: Aims of this study were to assess the maximum displacement of tracheal tube tip during head-neck movement in children, and to evaluate the appropriateness of the intubation depth marks on the Microcuff Paediatric Endotracheal Tube regarding the risk of inadvertent extubation and endobronchial intubation. METHODS: We studied children, aged from birth to adolescence, undergoing cardiac catheterization. The patients' tracheas were orally intubated and the tracheal tubes positioned with the intubation depth mark at the level of the vocal cords. The tracheal tube tip-to-carina distances were fluoroscopically assessed with the patient supine and the head-neck in 30 degrees flexion, 0 degrees neutral position and 30 degrees extension. RESULTS: One hundred children aged between 0.02 and 16.4 yr (median 5.1 yr) were studied. Maximum tracheal tube-tip displacement after head-neck 30 degrees extension and 30 degrees flexion demonstrated a linear relationship to age [maximal upward tube movement (mm)=0 0.71 x age (yr)+9.9 (R(2)=0.893); maximal downward tube movement (mm)=0.83 x age (yr)+9.3 (R(2)=0.949)]. Maximal tracheal tube-tip downward displacement because of head-neck flexion was more pronounced than upward displacement because of head-neck extension. CONCLUSIONS: The intubation depth marks were appropriate to avoid inadvertent tracheal extubation and endobronchial intubation during head-neck movement in all patients. However, during head-neck extension the tracheal tube cuff may become positioned in the subglottic region and should be re-adjusted when the patient remains in this position for a longer time.


Assuntos
Movimentos da Cabeça , Intubação Intratraqueal/efeitos adversos , Adolescente , Anestesia Geral , Antropometria , Cateterismo Cardíaco , Criança , Pré-Escolar , Feminino , Corpos Estranhos/etiologia , Corpos Estranhos/prevenção & controle , Humanos , Lactente , Recém-Nascido , Masculino , Movimento (Física) , Radiografia , Traqueia/anatomia & histologia , Traqueia/diagnóstico por imagem
17.
Eur J Echocardiogr ; 5(2): 111-7, 2004 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-15036022

RESUMO

AIM: To assess the utility of continuous wave Doppler evaluation of velocity profiles across a Blalock-Taussig (BT) shunt in the evaluation of pulmonary artery pressure and pulmonary blood flow. METHODS AND RESULTS: Eleven children with complex congenital heart disease with a BT shunt as the sole source of pulmonary blood supply were studied prospectively (median age 5 (0.3-21) months). Doppler evaluations of shunt flow velocity profile and cardiac catheterization were carried out simultaneously. Pulmonary artery pressure and flow were estimated using the modified Bernoulli equation and velocity time integral of shunt flow. There was a positive correlation between (1) the Doppler estimates for mean pulmonary artery pressure, using the diastolic flow velocity, and the mean pulmonary venous wedge pressure ( r = 0.93, SEE = 1.0 mmHG; P<0.001 ) and (2) the Doppler derived and calculated pulmonary blood flow ( r = 0.9, SEE = 0.19 l/min; P<0.001). In contrast, the Doppler estimates for mean pulmonary artery pressure using the peak or mean Doppler gradients were poor. CONCLUSION: The diastolic BT shunt flow velocity can be used reliably to predict mean pulmonary artery pressure when a BT shunt is the sole source of pulmonary artery flow. There was agreement between Doppler predicted pulmonary blood flow and catheter based calculations. These findings may prove a useful tool for perioperative management.


Assuntos
Derivação Arteriovenosa Cirúrgica , Velocidade do Fluxo Sanguíneo/fisiologia , Pulmão/irrigação sanguínea , Pulmão/diagnóstico por imagem , Pressão Propulsora Pulmonar/fisiologia , Ultrassonografia Doppler , Cateterismo Cardíaco , Cardiopatias Congênitas/diagnóstico por imagem , Cardiopatias Congênitas/fisiopatologia , Cardiopatias Congênitas/cirurgia , Humanos , Lactente , Bem-Estar do Lactente , Recém-Nascido , Estudos Prospectivos , Artéria Pulmonar/diagnóstico por imagem , Artéria Pulmonar/cirurgia , Veias Pulmonares/diagnóstico por imagem , Veias Pulmonares/cirurgia , Estatística como Assunto , Resultado do Tratamento
18.
Heart ; 90(1): 77-81, 2004 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-14676250

RESUMO

OBJECTIVE: To evaluate immediate and midterm results after balloon valvoplasty in a paediatric population with congenital aortic stenosis, giving special consideration to aortic regurgitation. DESIGN: Retrospective study. SETTING: Two tertiary referral centres for paediatric cardiology. PATIENTS: 70 consecutive patients, with an age range of 0-16.4 years. Group A infants < 3 months old (n = 21). Group B children > 3 months old (n = 49). Median follow up time was 19.8 months, range 0-158 months. INTERVENTION: All patients underwent balloon aortic valvoplasty. The balloon to annulus ratio was selected at a mean of 0.90 (range 0.67-1.0). MAIN OUTCOME MEASURES: Doppler gradients and degree of aortic regurgitation. RESULTS: The pressure gradient dropped significantly with the intervention and increased mildly at follow up. Freedom from relevant aortic regurgitation (that is, moderate and severe) was initially lower in group A (75% v 90% after one month) but after two years the difference between the two groups was not significant (50% v 61%). Freedom from reintervention was significantly lower in group A (with 35% v 80%) after three years. CONCLUSION: Aortic balloon valvoplasty is safe and effective but has a high rate of early reintervention in infants with critical aortic stenosis. The major long term problem is progressive aortic regurgitation, which does not seem to be prevented by the use of small balloons.


Assuntos
Insuficiência da Valva Aórtica/etiologia , Estenose da Valva Aórtica/terapia , Cateterismo/efeitos adversos , Adolescente , Insuficiência da Valva Aórtica/prevenção & controle , Estenose da Valva Aórtica/congênito , Criança , Pré-Escolar , Estado Terminal , Progressão da Doença , Intervalo Livre de Doença , Ecocardiografia Doppler , Seguimentos , Humanos , Lactente , Recém-Nascido , Recidiva , Retratamento , Estudos Retrospectivos , Resultado do Tratamento
19.
Europace ; 4(4): 345-9, 2002 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-12408251

RESUMO

AIMS: This study assessed survival, morbidity and impact of pacemaker (PM) therapy in children with Congenital Complete Atrioventricular Block (CCAVB). METHODS AND RESULTS: Data of 32 children, diagnosed as showing CCAVB at a median age of 0.4 years (range foetal-10 years), were retrospectively analysed. For comparison of clinical data patients were separated into two groups: CCAVB without structural heart disease (group 1; n = 23) and with structural heart disease (group 2; n = 9). Median follow-up time was 10.2 years. Pacemakers (PM) were implanted in 17 group 1 and all group 2 children. Frequency of PM therapy, age and symptoms before PM implantation did not differ significantly between the groups. Indications for PM implantation were bradycardia in 15, decreased exercise tolerance in 6, syncope in 3 and heart failure in 2 children. PM system related complications occurred in 11/26 (42%) children. Although 1 child died due to PM exit block no further CCAVB related symptoms were recorded in children with PM. CONCLUSION: PM therapy reduces mortality and morbidity in children with CCAVB when compared with natural history data. Although children with PM are free from CCAVB related symptoms limited morbidity remains due to PM system related complications.


Assuntos
Estimulação Cardíaca Artificial , Bloqueio Cardíaco/terapia , Marca-Passo Artificial , Criança , Pré-Escolar , Feminino , Seguimentos , Bloqueio Cardíaco/congênito , Cardiopatias Congênitas/complicações , Frequência Cardíaca , Humanos , Lactente , Masculino , Resultado do Tratamento
20.
Psychooncology ; 10(5): 410-8, 2001.
Artigo em Inglês | MEDLINE | ID: mdl-11536419

RESUMO

This paper reports on a study designed to measure the value attached to second-line, palliative chemotherapy by people with advanced cancer, compared with the value healthy people assume they would attach if they had cancer and to assess reasons for accepting or declining treatment. Subjects comprised 92 people with cancer, 76 healthy control subjects, 60 medical oncologists, 128 clinical oncologists, 72 palliative care physicians, 58 general practitioners and 59 qualified nurses working within oncology. Using a questionnaire presenting two typical but imaginary treatment scenarios, subjects indicated whether treatment would be acceptable to them and, if so, what minimum chance and duration of benefit would make treatment worthwhile. Demographic and social data were also collected. Patients accepted a lower chance of benefit than all other groups. Although the minimum worthwhile duration of benefit was more evenly spread, patients choosing lower time values were over-represented. These results were consistent even when treatment involved greater toxicity. The conclusion drawn from this study is that people with advanced cancer are more willing to accept second-line chemotherapy with a lower chance and shorter duration of benefit than others may imagine. Health care professionals must recognize this when discussing treatment options with patients.


Assuntos
Antineoplásicos/uso terapêutico , Atitude do Pessoal de Saúde , Comportamento de Escolha , Neoplasias/tratamento farmacológico , Neoplasias/psicologia , Cuidados Paliativos/psicologia , Aceitação pelo Paciente de Cuidados de Saúde/psicologia , Seleção de Pacientes , Adulto , Antineoplásicos/efeitos adversos , Estudos de Casos e Controles , Feminino , Humanos , Consentimento Livre e Esclarecido , Masculino , Oncologia , Pessoa de Meia-Idade , Avaliação das Necessidades , Enfermagem Oncológica , Educação de Pacientes como Assunto , Médicos de Família/psicologia , Prognóstico , Índice de Gravidade de Doença , Inquéritos e Questionários , Fatores de Tempo , Resultado do Tratamento
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