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1.
Cancer Radiother ; 25(5): 469-475, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-34120853

RESUMO

PURPOSE: In patients with right-sided breast cancer (BC) the liver might be partially irradiated during adjuvant radiotherapy (RT). Thus, we performed a prospective observational study to evaluate the dose delivered to the liver, and its potential biological impact. PATIENTS AND METHODS: We enrolled 34 patients with right-sided BC treated with adjuvant RT. The RT schedules were either the Canadian (42.5Gy in 16 fx) or standard fractionated (50Gy in 25 fx) regimen respectively with 9 (26.5%) and 25 (73.5%) patients each, ± a boost of 10-16Gy. Each patient had a complete blood count and liver enzymes analysis, before starting and during the last week of treatment. RESULTS: A significant decrease in white blood cells and thrombocytes counts was observed during RT. We observed a significant correlation between certain hepatic parameters and the volume of the irradiated liver and/or the mean liver dose. A significant correlation between the volume of the right lung and the liver mean dose was found (P=0.008). In the bivariate analysis, a significant correlation between fatigue and the white blood cell count's evolution was observed (P<0.025). CONCLUSION: With the standard RT technique, incidental irradiation of the liver was documented in a large number of patients, and some significant hepatic parameters alterations were observed, without an apparent clinical impact, but this study cannot exclude them. The liver mean dose was correlated with the right lung volume suggesting that deep inspiration breath hold (DIBH) techniques may represent a way to decrease the liver dose. These findings need to be evaluated in further larger studies.


Assuntos
Fígado/efeitos da radiação , Neoplasias Unilaterais da Mama/radioterapia , Adulto , Idoso , Idoso de 80 Anos ou mais , Alanina Transaminase/sangue , Aspartato Aminotransferases/sangue , Fracionamento da Dose de Radiação , Fadiga/etiologia , Feminino , Humanos , Leucopenia/etiologia , Pulmão/efeitos da radiação , Pessoa de Meia-Idade , Órgãos em Risco , Estudos Prospectivos , Dosagem Radioterapêutica , Radioterapia Adjuvante , Trombocitopenia/etiologia
2.
Clin Pharmacol Ther ; 102(5): 777-785, 2017 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-28160285

RESUMO

Planning and transfer of a new technology platform developed in an academic setting to a start-up company for medical diagnostic product development may appear daunting and costly in terms of complexity, time, and resources. In this review we outline the key steps taken and lessons learned when a technology platform developed in an academic setting was transferred to a start-up company for medical diagnostic product development in the interest of elucidating development toolkits for academic groups and small start-up companies starting on the path to commercialization and regulatory approval.


Assuntos
Bioensaio/métodos , Células Neoplásicas Circulantes/metabolismo , Transferência de Tecnologia , Pesquisa Translacional Biomédica/métodos , Bioensaio/tendências , Humanos , Células Neoplásicas Circulantes/química , Pesquisa Translacional Biomédica/tendências
3.
Clin Pharmacol Ther ; 101(5): 589-592, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-28187516

RESUMO

The cancer community understands the value of blood profiling measurements in assessing and monitoring cancer. We describe an effort among academic, government, biotechnology, diagnostic, and pharmaceutical companies called the Blood Profiling Atlas in Cancer (BloodPAC) Project. BloodPAC will aggregate, make freely available, and harmonize for further analyses, raw datasets, relevant associated clinical data (e.g., clinical diagnosis, treatment history, and outcomes), and sample preparation and handling protocols to accelerate the development of blood profiling assays.


Assuntos
Atlas como Assunto , Neoplasias/sangue , Bases de Dados Factuais , Humanos
4.
Clin Pharmacol Ther ; 101(5): 622-624, 2017 May.
Artigo em Inglês | MEDLINE | ID: mdl-28182274

RESUMO

The Kuhn Laboratory at the University of Southern California and the Dive Laboratory at the Cancer Research UK's Manchester Institute are teaming up to apply new cancer cell detection technology to identify patients who will progress after initial treatment. Researchers will take a simple blood sample to identify early those patients whose cancer has returned, while analyzing circulating tumor cells (CTCs) in great detail, providing new clues on the most effective therapy for the patient's cancer.


Assuntos
Biomarcadores Tumorais/sangue , Biópsia , Neoplasias/diagnóstico , Atlas como Assunto , Genômica , Humanos , Metástase Neoplásica , Neoplasias/tratamento farmacológico , Neoplasias/genética , Neoplasias/patologia
5.
Arch Pediatr ; 24(2): 155-159, 2017 Feb.
Artigo em Francês | MEDLINE | ID: mdl-28041869

RESUMO

The 2005 enactment of the "Patients' rights and end-of-life care" act, known as the Leonetti law, has been accompanied by practical changes in the processes of withdrawal and withholding of active life-sustaining treatments. This law has also promoted the implementation of palliative care in perinatal medicine to avoid unreasonable therapeutic interventions and to preserve the dying patient's quality of life and human dignity. Recently, a new law has been voted by the French National Assembly and new reflections on the ethical aspects of the end of life in neonatal medicine should resume again within the French Society of Neonatology in the working group on ethical issues in neonatology. This is why it appears important to discuss the perceived benefits and the persistent difficulties related to the implementation of the Leonetti law in neonatology. Collegiality in the decision-making processes as well as withdrawal and withholding of life-sustaining treatments that were already present in the practices of many centers has been stipulated within a legal framework and promoted in clinical practice. It has brought serenity within perinatal nursing and medical teams. It has helped them face the always-difficult end-of-life situations with parents and deal with decision-making processes in an intense emotional climate. However, new questions inherent to the law have appeared. The most important ones concern the withholding of artificial nutrition and hydration, the time pressure in the management of the decision-making process, and the management of the duration of palliative care. Challenges remain in addressing various persistent ethical dilemmas such as the possible survival of newborns with significant brain lesions detected after the period of life-sustaining treatments that have allowed their survival. The new law carried by Mr. Clayes and Mr. Léonetti should provide answers to some of these ethical issues, but it would probably not solve all of them.


Assuntos
Unidades de Terapia Intensiva Neonatal/legislação & jurisprudência , Terapia Intensiva Neonatal/legislação & jurisprudência , Cuidados Paliativos/legislação & jurisprudência , Consentimento dos Pais/legislação & jurisprudência , Ordens quanto à Conduta (Ética Médica)/legislação & jurisprudência , Suspensão de Tratamento/legislação & jurisprudência , Tomada de Decisões , Sedação Profunda , França , Humanos , Recém-Nascido , Relações Profissional-Família
6.
Annu Rev Pathol ; 12: 419-447, 2017 Jan 24.
Artigo em Inglês | MEDLINE | ID: mdl-28135562

RESUMO

Evaluation of circulating tumor cells (CTCs) has demonstrated clinical validity as a prognostic tool based on enumeration, but since the introduction of this tool to the clinic in 2004, further clinical utility and widespread adoption have been limited. However, immense efforts have been undertaken to further the understanding of the mechanisms behind the biology and kinetics of these rare cells, and progress continues toward better applicability in the clinic. This review describes recent advances within the field, with a particular focus on understanding the biological significance of CTCs, and summarizes emerging methods for identifying, isolating, and interrogating the cells that may provide technical advantages allowing for the discovery of more specific clinical applications. Included is an atlas of high-definition images of CTCs from various cancer types, including uncommon CTCs captured only by broadly inclusive nonenrichment techniques.


Assuntos
Biomarcadores Tumorais/análise , Neoplasias/patologia , Células Neoplásicas Circulantes/patologia , Animais , Humanos , Prognóstico
7.
Arch Pediatr ; 24(2): 160-168, 2017 Feb.
Artigo em Francês | MEDLINE | ID: mdl-28007511

RESUMO

The "patients' rights and end-of-life care" act, known as the Leonetti law, has allowed implementation of palliative care in neonatology as an alternative to unreasonable therapeutic interventions. A palliative care project can be offered to newborns suffering from intractable diseases. It must be focused on the newborn's quality of life and comfort and on family support. Palliative care for newborns can be provided in the delivery room, in the neonatal unit, and also at home. Going home is possible but requires medical support. Here we describe the potential benefits of the intervention of a regional team of pediatric palliative care for newborns, both in the hospital and at home. Two clinical situations of palliative care at home started in the neonatal period and the neonatal unit are presented. They are completed by a retrospective national survey focusing on the type of support to newborns in palliative care in 2014, which was conducted in 22 French regional pediatric palliative care teams. It shows that 26 newborns benefited from this support at home in 2014. Sixteen infants were born after a pregnancy with a palliative care birth plan and ten entered palliative care after a decision to limit life-sustaining treatments. Twelve of them returned home before the 20th day of life. Sixteen infants died, six of them at home. The regional pediatric palliative care team first receives in-hospital interventions: providing support for ethical reflection in the development of the infant's life project, meeting with the child and its family, helping organize the care pathway to return home. When the child is at home, the regional pediatric palliative care team can support the caregiver involved, provide home visits to continue the clinical monitoring of the infant, and accompany the family. The follow-up of the bereavement and the analysis of the practices with caregivers are also part of its tasks.


Assuntos
Anormalidades Múltiplas/terapia , Serviços de Saúde Comunitária/organização & administração , Serviços de Assistência Domiciliar/organização & administração , Terapia Intensiva Neonatal/organização & administração , Cuidados Paliativos/organização & administração , Equipe de Assistência ao Paciente/organização & administração , Anormalidades Múltiplas/diagnóstico , Adulto , Serviços de Saúde Comunitária/ética , Comissão de Ética/ética , Seguimentos , França , Serviços de Assistência Domiciliar/ética , Humanos , Lactente , Recém-Nascido , Terapia Intensiva Neonatal/ética , Masculino , Cuidados Paliativos/ética , Equipe de Assistência ao Paciente/ética
8.
Chirurg ; 87(12): 1015-1024, 2016 Dec.
Artigo em Alemão | MEDLINE | ID: mdl-27796416

RESUMO

Modern intraoperative techniques of visualization are increasingly being applied in general and visceral surgery. The combination of diverse techniques provides the possibility of multidimensional intraoperative visualization of specific anatomical structures. Thus, it is possible to differentiate between normal tissue and tumor tissue and therefore exactly define tumor margins. The aim of intraoperative visualization of tissue that is to be resected and tissue that should be spared is to lead to a rational balance between oncological and functional results. Moreover, these techniques help to analyze the physiology and integrity of tissues. Using these methods surgeons are able to analyze tissue perfusion and oxygenation. However, to date it is not clear to what extent these imaging techniques are relevant in the clinical routine. The present manuscript reviews the relevant modern visualization techniques focusing on intraoperative computed tomography and magnetic resonance imaging as well as augmented reality, fluorescence imaging and optoacoustic imaging.


Assuntos
Diagnóstico por Imagem/métodos , Monitorização Intraoperatória/métodos , Imagem Multimodal/instrumentação , Imagem Multimodal/métodos , Procedimentos Cirúrgicos Operatórios/métodos , Angiografia Digital/instrumentação , Angiografia Digital/métodos , Sistemas Computacionais , Diagnóstico por Imagem/instrumentação , Desenho de Equipamento , Humanos , Aumento da Imagem/instrumentação , Aumento da Imagem/métodos , Interpretação de Imagem Assistida por Computador/instrumentação , Interpretação de Imagem Assistida por Computador/métodos , Imageamento Tridimensional/instrumentação , Imageamento Tridimensional/métodos , Imageamento por Ressonância Magnética/instrumentação , Imageamento por Ressonância Magnética/métodos , Monitorização Intraoperatória/instrumentação , Neoplasias/patologia , Neoplasias/cirurgia , Imagem Óptica/instrumentação , Imagem Óptica/métodos , Técnicas Fotoacústicas/instrumentação , Técnicas Fotoacústicas/métodos , Tomografia Computadorizada por Raios X/instrumentação , Tomografia Computadorizada por Raios X/métodos , Realidade Virtual
9.
Dalton Trans ; 44(2): 659-68, 2015 Jan 14.
Artigo em Inglês | MEDLINE | ID: mdl-25385191

RESUMO

The very promising results of Na-trans-[RuCl4(1H-indazole)2] (NKP-1339) in clinical studies have fuelled renewed interest in the research and development of ruthenium(III) coordination compounds for cancer therapy. By applying an improved synthetic approach to this class of coordination compounds, six new examples of the general formula (cation)-trans-[RuCl4(azole)2], where (cation) = tetrabutylammonium (Bu4N)(+) (1, 2), sodium (3, 4), azolium (5, 6), and azole = 1-methyl-indazole (1, 3, 5), 1-ethyl-indazole (2, 4, 6), have been prepared. All compounds have been characterized by elemental analysis, electrospray ionization (ESI) mass spectrometry, UV-vis-, and NMR-spectroscopy and, if possible, X-ray diffraction analysis. Furthermore, the influence of the alkyl substituent at the position N1 of the indazole backbone on the stability in aqueous media as well as on the biological activity in three human cancer cell lines (CH1, A549, and SW480) and on the cellular accumulation in SW480 cells is discussed.


Assuntos
Antineoplásicos/síntese química , Complexos de Coordenação/farmacologia , Antineoplásicos/farmacologia , Linhagem Celular Tumoral , Cristalografia por Raios X , Ensaios de Seleção de Medicamentos Antitumorais , Humanos , Espectroscopia de Prótons por Ressonância Magnética , Espectrometria de Massas por Ionização por Electrospray , Análise Espectral/métodos
10.
Arch Pediatr ; 21(2): 177-83, 2014 Feb.
Artigo em Francês | MEDLINE | ID: mdl-24398077

RESUMO

UNLABELLED: The "Patients' rights and end-of-life care" act known as "Leonetti's Law" promulgated in 2005 has promoted the use of palliative care to avoid unreasonable obstinacy when life-sustaining treatment appears disproportionate. Very little is known about this new practice for newborns in French neonatal units. AIMS: To describe and evaluate the practice of palliative care in the newborn (mode of entry, characteristics, and modalities) and its evolution over time. PATIENTS AND METHODS: Ambispective observational study conducted in a level III neonatal center. We included all newborns presenting conditions for which palliative care was introduced. Quantitative and qualitative analyses of routinely collected data, recorded from medical and nursing charts. We compared the recorded data between periods P1 (2006-2007) and P2 (2008-2010) using the Chi(2) test to assess changes over time. RESULTS: A total of 93 newborns benefited from palliative care during the study period. The main medical conditions motivating palliative care initiation in the newborns were severe complications of prematurity (36/93, 39%), anoxic-ischemic encephalopathy (19/93, 20.5%), severe malformations (8/93, 8.5%), severe congenital heart disease (8/93, 8.5%), and other various etiologies (22/93, 23.5%). Both the number of newborns in palliative care/total number of births and the number of deaths after palliative care/total number of neonatal deaths remained stable. In case of prenatal diagnosis (n=31), there was an increase in the number of "palliative care from birth projects" (13/22 in P2 vs. 1/9 in P1, P=0.02). Collective meetings during the decision process were significantly more frequently reported in the infants' charts in P2 (48/59 in P2 vs. 18/34 in P1, P<0.01). Withdrawing and withholding life-sustaining treatment and limiting procedures of care and/or procedures of surveillance/monitoring were more frequent in P2 as compared to P1, respectively 12/34 vs. 37/59 (P=0.02) and 14/34 vs. 39/59 (P=0.03). A titration of level III analgesics treatment was high in both periods and remained stable. However, a trend toward an increase of systematic pain evaluation over time was observed (81.6% in P2 vs. 64.5% in P1; P=0.085). CONCLUSION: A significant number of newborns affected by various pathologies undergo neonatal palliative care. Despite their recent introduction in neonatal medicine, palliative care practices have changed significantly. These practices are mostly in compliance with the "patients' rights and end-of-life care" act promulgated in France in 2005.


Assuntos
Doenças do Prematuro/terapia , Cuidados Paliativos/tendências , Analgésicos/administração & dosagem , Distribuição de Qui-Quadrado , Comportamento Cooperativo , França , Mortalidade Hospitalar , Humanos , Recém-Nascido , Doenças do Prematuro/mortalidade , Comunicação Interdisciplinar , Cuidados para Prolongar a Vida/tendências , Medição da Dor/tendências , Assistência Terminal/tendências , Suspensão de Tratamento/tendências
11.
Chirurg ; 84(10): 859-68, 2013 Oct.
Artigo em Alemão | MEDLINE | ID: mdl-24042436

RESUMO

Competency-based frameworks rely on relevant professional competency rather than formal regulations. The transitional phase between final year undergraduate and common trunk postgraduate medical training is characterized by an increase of professional responsibility whereby previously acquired knowledge, skills and abilities have to be merged and applied to patients. Undergraduate and postgraduate training programs should ensure a successive transfer of responsibility for medical practice to final year students and young residents depending on individual competence. The concept of entrustable professional activities (EPA) represents a curricular concept based on concrete medical tasks which may be assigned to the responsibility of the trainee.


Assuntos
Competência Clínica , Educação de Pós-Graduação em Medicina/métodos , Educação de Graduação em Medicina/métodos , Cirurgia Geral/educação , Internato e Residência , Competência Clínica/legislação & jurisprudência , Currículo , Atenção à Saúde/legislação & jurisprudência , Educação de Pós-Graduação em Medicina/legislação & jurisprudência , Educação de Graduação em Medicina/legislação & jurisprudência , Cirurgia Geral/legislação & jurisprudência , Alemanha , Humanos , Internato e Residência/legislação & jurisprudência , Relações Médico-Paciente , Conselhos de Especialidade Profissional
12.
Ann Oncol ; 24(7): 1900-1907, 2013 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-23519998

RESUMO

BACKGROUND: Based upon preclinical evidence for improved antitumor activity in combination, this phase I study investigated the maximum-tolerated dose (MTD), safety, activity, pharmacokinetics (PK), and biomarkers of the mammalian target of rapamycin inhibitor, temsirolimus, combined with sorafenib in hepatocellular carcinoma (HCC). PATIENTS AND METHODS: Patients with incurable HCC and Child Pugh score ≤B7 were treated with sorafenib plus temsirolimus by 3 + 3 design. The dose-limiting toxicity (DLT) interval was 28 days. The response was assessed every two cycles. PK of temsirolimus was measured in a cohort at MTD. RESULTS: Twenty-five patients were enrolled. The MTD was temsirolimus 10 mg weekly plus sorafenib 200 mg twice daily. Among 18 patients at MTD, DLT included grade 3 hand-foot skin reaction (HFSR) and grade 3 thrombocytopenia. Grade 3 or 4 related adverse events at MTD included hypophosphatemia (33%), infection (22%), thrombocytopenia (17%), HFSR (11%), and fatigue (11%). With sorafenib, temsirolimus clearance was more rapid (P < 0.05). Two patients (8%) had a confirmed partial response (PR); 15 (60%) had stable disease (SD). Alpha-fetoprotein (AFP) declined ≥50% in 60% assessable patients. CONCLUSION: The MTD of sorafenib plus temsirolimus in HCC was lower than in other tumor types. HCC-specific phase I studies are necessary. The observed efficacy warrants further study.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Biomarcadores Tumorais/sangue , Carcinoma Hepatocelular/tratamento farmacológico , Neoplasias Hepáticas/tratamento farmacológico , alfa-Fetoproteínas/metabolismo , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/farmacocinética , Biomarcadores/sangue , Carcinoma Hepatocelular/sangue , Carcinoma Hepatocelular/patologia , Intervalo Livre de Doença , Esquema de Medicação , Feminino , Humanos , Neoplasias Hepáticas/sangue , Neoplasias Hepáticas/patologia , Masculino , Dose Máxima Tolerável , Pessoa de Meia-Idade , Células Neoplásicas Circulantes , Niacinamida/administração & dosagem , Niacinamida/análogos & derivados , Compostos de Fenilureia/administração & dosagem , Precursores de Proteínas/sangue , Protrombina , Sirolimo/administração & dosagem , Sirolimo/análogos & derivados , Sorafenibe , Resultado do Tratamento
13.
Anal Chem ; 85(6): 3280-7, 2013 Mar 19.
Artigo em Inglês | MEDLINE | ID: mdl-23388050

RESUMO

Cell-to-cell differences play a key role in the ability of cell populations to adapt and evolve, and they are considered to impact the development of several diseases. Recent advances in microsystem technology provide promising solutions for single-cell studies. However, the quantitative chemical analysis of single-cell lysates remains difficult. Here, we combine a microfluidic device with the analytical strength of enzyme-linked immunosorbent assays (ELISA) for single-cell studies to reliably identify intracellular proteins, secondary messengers, or metabolites. The microfluidic device allows parallel single-cell trapping and isolation in 625-pL microchambers, repeated treatment and washing steps, subsequent lysis and analysis by ELISA. Using a sandwich ELISA, we quantitatively determined the concentration of the enzyme GAPDH in single U937 cells and HEK 293 cells, and found amounts within a range of a few (1-4) attomol per cell. Furthermore, a competitive ELISA is performed to determine the concentration of the secondary messenger cyclic adenosine monophosphate (cAMP) in MLT cells, in response to the hormone lutropin. We found the half maximal effective concentration (EC50) of lutropin to have an average value of 2.51 ± 0.44 ng/mL. Surprisingly, there were large cell-to-cell variations for all supplied lutropin concentrations, ranging from 36 to 536 attomol cAMP for nonstimulated cells and from 80 to 1040 attomol cAMP for a concentration around the EC50 (3 ng/mL). Because of the high sensitivity and specificity of ELISA and the large number of antibodies available, we believe that our device provides a new, powerful means for single-cell proteomics and metabolomics.


Assuntos
Líquido Intracelular/química , Líquido Intracelular/imunologia , Microfluídica/métodos , Ensaio de Imunoadsorção Enzimática/métodos , Células HEK293 , Humanos , Células U937
14.
Phys Fluids (1994) ; 24(8): 81903, 2012 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23024578

RESUMO

A low-dimensional parametric deformation model of a cancer cell under shear flow is developed. The model is built around an experiment in which MDA-MB-231 adherent cells are subjected to flow with increasing shear. The cell surface deformation is imaged using differential interference contrast microscopy imaging techniques until the cell releases into the flow. We post-process the time sequence of images using an active shape model from which we obtain the principal components of deformation. These principal components are then used to obtain the parameters in an empirical constitutive equation determining the cell deformations as a function of the fluid normal and shear forces imparted. The cell surface is modeled as a 2D Gaussian interface which can be deformed with three active parameters: H (height), σ(x) (x-width), and σ(y) (y-width). Fluid forces are calculated on the cell surface by discretizing the surface with regularized Stokeslets, and the flow is driven by a stochastically fluctuating pressure gradient. The Stokeslet strengths are obtained so that viscous boundary conditions are enforced on the surface of the cell and the surrounding plate. We show that the low-dimensional model is able to capture the principal deformations of the cell reasonably well and argue that active shape models can be exploited further as a useful tool to bridge the gap between experiments, models, and numerical simulations in this biological setting.

15.
Ultraschall Med ; 32 Suppl 2: E157-61, 2011 Dec.
Artigo em Alemão | MEDLINE | ID: mdl-21877316

RESUMO

PURPOSE: Umbilical vein pulsations (UV-P) are due to various etiologies. The aim of the present study was to investigate the incidence and type of UV-P in monochorionic twins with twin-twin transfusion syndrome (TTTS). MATERIALS AND METHODS: TTTS cases diagnosed between 1999 and 2009 were examined retrospectively. The UV flow pattern taken from a free floating loop of the umbilical cord was classified as "non-pulsatile" (NP), "monophasic" (MP) and "complex" (CP). Only Doppler flow analyses prior to intervention were examined. RESULTS: Of 106 cases seen during the study period, 56 cases met the inclusion criteria. Of those, 62.5% were classified as stage III TTTS, and fetoscopic laser therapy was performed in 45 cases. NP flow patterns were more likely found in the donor twin (80.4 vs. 28.6%; p < 0.0001), while the incidence of MP (50 vs. 17.9%; p < 0.0006) and CP flow patterns (21.4 vs. 1.7%; p < 0.01) was higher in the recipient twin. Moreover, the perinatal mortality was highest in cases with CP (CP: 76.9 vs. MP 42.1 vs. NP: 26.2%; p < 0.01) as well as the rate of cases with double death. CONCLUSION: CP patterns are more frequently found in the recipient twin and are associated with a considerably high mortality rate. Studying the umbilical vein flow pattern in TTTS may provide additional information for counseling and prognosis similar to that obtained by expensive fetal echocardiography.


Assuntos
Transfusão Feto-Fetal/diagnóstico por imagem , Interpretação de Imagem Assistida por Computador , Gravidez de Alto Risco , Fluxo Pulsátil/fisiologia , Ultrassonografia Doppler em Cores , Ultrassonografia Pré-Natal , Veias Umbilicais/diagnóstico por imagem , Aborto Eugênico , Feminino , Morte Fetal , Transfusão Feto-Fetal/mortalidade , Transfusão Feto-Fetal/cirurgia , Fetoscopia , Humanos , Recém-Nascido , Fotocoagulação a Laser , Trabalho de Parto Prematuro/diagnóstico por imagem , Trabalho de Parto Prematuro/mortalidade , Gravidez , Prognóstico , Estudos Retrospectivos , Sensibilidade e Especificidade
16.
Laryngorhinootologie ; 90(7): 421-7, 2011 Jul.
Artigo em Alemão | MEDLINE | ID: mdl-21312155

RESUMO

BACKGROUND: Until now German language tests have been rarely evaluated for their diagnostic accuracy. The goal of the study was to determine whether frequently used German language instruments are valid measures for identifying developmental language disorders in 3-year-old children. MATERIAL AND METHODS: The language test SETK 3-5 (including the short version SSV) and the parent questionnaire SBE-3-KT were administered to 88 children with and without language impairment. The procedure of the selection of children enabled an extrapolation to general population. A language sample rating was used as a gold standard. RESULTS: Depending on case definition 6-22% of children were classified as language impaired by SETK 3-5, 9% by SSV and 15% by SBE-3-KT. Sensitivity, specificity and positive predictive values of SETK 3-5 for specified cut-offs were 35-93%, 86-97% and 41-58%, respectively. The corresponding values of SSV were 49%, 96%, 56% and of SBE-3-KT 92%, 93%, 59%. CONCLUSIONS: 3-year-old children with developmental language disorders can been identified with sufficient accuracy by means of SETK 3-5, an individual language test, as well as by SBE-3-KT, a parent questionnaire. However, the number of false positive classifications is relatively high. The hit rate of SSV, an individual short test, was too low for clinical use.


Assuntos
Transtornos do Desenvolvimento da Linguagem/diagnóstico , Testes de Linguagem/estatística & dados numéricos , Programas de Rastreamento , Pré-Escolar , Diagnóstico Precoce , Reações Falso-Positivas , Feminino , Alemanha , Humanos , Transtornos do Desenvolvimento da Linguagem/classificação , Masculino , Pais , Reprodutibilidade dos Testes , Inquéritos e Questionários
17.
Arch Pediatr ; 17 Suppl 3: S59-66, 2010 Sep.
Artigo em Francês | MEDLINE | ID: mdl-20728811

RESUMO

Several pain scales are available for newborns, but the assessment of pain in these preverbal beings, who are in continuing neurological development, remains challenging for healthcare teams. Although neonates at the end of life are particularly vulnerable to pain and discomfort, no assessment tool has been validated in this specific population. The difficulties for assessing pain in this context are copies of those potentially encountered in other situations. Questions arise about the limits of the available scales, about possible alterations of responses to a noxious stimulus in particular contexts (extreme immaturity, brain lesions), about possibly painful situations in palliative care, about the nature of scales to choose. Data show a perception of pain at a cortical level by extremely immature infants and the ability for neonates with significant neurological injury to express pain behaviours. For some potentially painful situations (dyspnoea, gasps, hunger) neonatal data are virtually nonexistent. Fundamental scientific data and clinical data from adults and children can give some answers. One will choose scales for which the staff is trained, easily usable (preference for behavioural scales), validated for all gestational ages, reliable in the event of neurological impairment or sedation. An assessment of prolonged pain (EDIN scale or COMFORT Behaviour scale) combined with measures of acute pain (DAN or NFCS scales) is recommended. These scales should be better validated for populations of newborns and situations that are specific to palliative care. A better assessment of the parental perception and of their distress about the discomfort or pain of their child is warranted.


Assuntos
Medição da Dor/métodos , Dor/diagnóstico , Cuidados Paliativos/métodos , Adulto , Encéfalo/fisiopatologia , Criança , Idade Gestacional , Humanos , Comportamento do Lactente/fisiologia , Recém-Nascido , Recém-Nascido Prematuro/fisiologia
18.
Eur J Pediatr Surg ; 20(5): 307-11, 2010 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-20577953

RESUMO

PURPOSE: Aim of the study was to determine the role of surgery in the management of congenital chylothorax (CC). METHODS: We retrospectively reviewed the data of patients with CC requiring medical or surgical treatment postnatally in our institution between January 2001 and March 2009. RESULTS: Ten patients were treated for CC. We divided our population into 2 groups: group A consisted of patients in whom CC healed after conservative medical treatment (thoracocentesis, pleural drainage, total parental nutrition, somatostatin, intrapleural injections of povidone-iodine), and group B of patients who needed both medical and surgical treatment (pleural abrasion and/or pleurectomy). Conservative postnatal therapy was successful in 50% of cases. Of the 3 patients treated preoperatively with intrapleural injections of povidone-iodine, 2 presented with severe complications. Surgical treatment was successful in all cases, with no surgical complications. Patients in group B had a significantly lower birth term (p=0.0254) and birth weight (p=0.0021) compared to patients in group A. Patients with a massive chylothorax (≥50 mL/kg/day) needed surgery significantly more often than those with chylothorax <50 mL/kg/day (p=0.0119). CONCLUSION: The initial postnatal medical management of CC should consist of thoracocentesis, drainage by tube thoracostomy, and total parenteral nutrition. If this treatment fails after 10 days, we propose using alternative therapies such as somatostatin (although its efficacy is not clear) and surgery. Chemical pleurodesis by intrapleural injection of povidone-iodine must be avoided in infants and small babies. Surgical management by pleural abrasion and/or pleurectomy appears to be safe and effective. Early surgical management is proposed for babies with low birth term, birth weight and massive chylothorax >50 mL/kg/day. Long-term follow-up is needed to evaluate the potential consequences of this therapy.


Assuntos
Quilotórax/cirurgia , Peso ao Nascer , Catarata/congênito , Quilotórax/congênito , Humanos , Tempo de Internação , Pleurodese , Povidona-Iodo/administração & dosagem , Estudos Retrospectivos , Cirurgia Torácica Vídeoassistida , Toracoscopia
19.
Arch Pediatr ; 17(5): 518-26, 2010 May.
Artigo em Francês | MEDLINE | ID: mdl-20223644

RESUMO

With very preterm deliveries, the decision to institute intensive care, or, alternatively, to start palliative care and let the baby die, is extremely difficult, and involves complex ethical issues. The introduction of intensive care may result in long-term survival of many infants without severe disabilities, but it may also result in the survival of severely disabled infants. Conversely, the decision to withhold resuscitation and/or intensive care at birth, which is an option at the margin of viability, implies allowing babies to die, although some of them would have developed normally if they had received resuscitation and/or intensive care. Withholding intensive care at birth does not mean withholding care but rather providing palliative care to prevent pain and suffering during the time period preceding death. The likelihood of survival without significant disabilities decreases as gestational age at birth decreases. In addition to gestational age, other factors greatly influence the prognosis. Indeed, for a given gestational age, higher birth weight, singleton birth, female sex, exposure to prenatal corticosteroids, and birth in a tertiary center are favorable factors. Considering gestational age, there is a gray zone that corresponds to major prognostic uncertainty and therefore to a major problem in making a "good" decision. In France today, the gray zone corresponds to deliveries at 24 and 25 weeks of postmenstrual age. In general, babies born above the gray zone (26 weeks of postmenstrual age and later) should receive resuscitation and/or full intensive care. Below 24 weeks, palliative care is the only option offered in France at the present time. Decisions within the gray zone will be addressed in the 2nd part of this work.


Assuntos
Ética Médica , Recém-Nascido de Peso Extremamente Baixo ao Nascer , Doenças do Prematuro/terapia , Terapia Intensiva Neonatal/ética , Cuidados Paliativos/ética , Ressuscitação/ética , Corticosteroides/administração & dosagem , Peso ao Nascer , Dano Encefálico Crônico/etiologia , Dano Encefálico Crônico/mortalidade , Criança , Pré-Escolar , Deficiências do Desenvolvimento/etiologia , Deficiências do Desenvolvimento/mortalidade , Comissão de Ética , Viabilidade Fetal , Seguimentos , França , Idade Gestacional , Humanos , Lactente , Recém-Nascido , Doenças do Prematuro/mortalidade , Prognóstico , Fatores de Risco , Fatores Sexuais , Taxa de Sobrevida
20.
Arch Pediatr ; 17(5): 527-39, 2010 May.
Artigo em Francês | MEDLINE | ID: mdl-20223643

RESUMO

In the first part of this work, the outcome following very premature birth was assessed. This enabled a gray zone to be defined, with inherent major prognostic uncertainty. In France today, the gray zone corresponds to deliveries occurring at 24 and 25 weeks of postmenstrual age. The management of births occurring below and above the gray zone was described. Withholding intensive care at birth for babies born below or within the gray zone does not mean withholding care but rather providing palliative care to prevent pain and suffering during the time period preceding death. Given the high level of uncertainty, making good decisions within the gray zone is problematic. Decisions should be based on the infant's best interests. Decisions should be reached with the parents, who are entitled to receive clear and comprehensive information. Possible decisions to withhold intensive care should be made following the procedures described in the French law of April 2005. Guidelines, based on gestational age and the other prognostic elements, are proposed to the parents before birth. They are applied in an individualized fashion, in order to take into account the individual features of each case. At 25 weeks, resuscitation and/or full intensive care are usually proposed, unless unfavorable factors, such as severe growth restriction, are associated. A senior neonatologist will attend the delivery and will make decisions based on both the baby's condition at birth and the parents' wishes. At 24 weeks, in the absence of unfavorable associated factors, the parents' wishes should be followed in deciding between initiating full intensive care or palliative care. Below 24 weeks, palliative care is the only option to be offered in France at the present time.


Assuntos
Ética Médica , Recém-Nascido de Peso Extremamente Baixo ao Nascer , Doenças do Prematuro/terapia , Terapia Intensiva Neonatal/ética , Cuidados Paliativos/ética , Ressuscitação/ética , Tomada de Decisões , Comissão de Ética/legislação & jurisprudência , Viabilidade Fetal , França , Idade Gestacional , Fidelidade a Diretrizes/ética , Fidelidade a Diretrizes/legislação & jurisprudência , Humanos , Recém-Nascido , Doenças do Prematuro/mortalidade , Cuidados Paliativos/legislação & jurisprudência , Relações Profissional-Família/ética , Prognóstico , Ordens quanto à Conduta (Ética Médica)/ética , Ordens quanto à Conduta (Ética Médica)/legislação & jurisprudência , Suspensão de Tratamento/ética , Suspensão de Tratamento/legislação & jurisprudência
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