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1.
Tijdschr Psychiatr ; 62(1): 37-46, 2020.
Artigo em Holandês | MEDLINE | ID: mdl-31994710

RESUMO

BACKGROUND: Stigma is one of the greatest challenges facing people with severe mental illness (smi) and can have profound psychological, social and professional consequences.
AIM: To systematically review the evidence of effectiveness of anti-stigma interventions (anti-stigma campaigns and specific interventions to reduce public stigma and self-stigma) for people with smi and to make recommendations for clinical practice.
METHOD: A systematic literature search for individual studies and reviews concerning the efficacy of interventions that reduce stigma for people with smi.
RESULTS: Anti-stigma interventions have small-to-medium effects. Although head-to-head comparisons do not show a clear advantage for educational or contact interventions, results suggest that the elements of contact, recovery and continuity (for public stigma) and psycho-education (for self-stigma) may yield the greatest effects. Due to the short follow-up period of most studies, there is limited evidence on the long-term effectiveness of these interventions. More specifically, it remains unknown whether these interventions lead to changes in actual behavior.
CONCLUSION: Anti-stigma interventions have limited effects on knowledge, attitudes and behavior. Several methodological shortcomings, as well as short follow-up periods in most studies, preclude making firm conclusions.


Assuntos
Transtornos Mentais , Estigma Social , Humanos , Transtornos Mentais/terapia
2.
Rev Med Brux ; 38(6): 490-493, 2017.
Artigo em Francês | MEDLINE | ID: mdl-29318805

RESUMO

The number of transplantations is mainly limited by the shortage of organs, thereby leading to potentially lethal delays for patients registered on waiting lists. Among the causes of refusals of organ donation, religious reasons are often advocated. In order to make the point, we organized a debate between representatives of secularism ( " laïcité ") and of the most represented religions in Belgium, i.e. catholic, Islamic and Judaic. Even though the representation of death was variable, organ donation is authorized and even encouraged by the fundamental texts. Refusals of organ donation result more often from personal interpretations by local preachers. Therefore, the gathering of political and religious authorities in order to promote organ donation is desirable instead of sowing doubt for pseudo-religious reasons.


En médecine de transplantation, la pénurie d'organes représente le principal obstacle et cause de retard aux greffes vitales pour les receveurs inscrits sur liste d'attente. Parmi les causes de refus de don d'organes, des raisons d'ordre religieux sont souvent invoquées. Afin de faire le point sur cette problématique, nous avons organisé un débat rassemblant des représentants de la laïcité et des religions monothéistes les plus représentées en Belgique : catholicisme, islam, judaïsme. Il est apparu que, si la représentation de la mort varie selon les courants, le don d'organes est en fait autorisé, voire encouragé par les textes fondateurs des trois religions. Les refus sont plutôt le fait d'une interprétation personnelle par des prédicateurs. Dès lors, il serait judicieux de rassembler les forces politiques et spirituelles afin de promouvoir le don d'organes plutôt que de semer le doute à son sujet sous des prétextes pseudo-religieux.

3.
Sci Adv ; 6(18): eaaz5922, 2020 05.
Artigo em Inglês | MEDLINE | ID: mdl-32426478

RESUMO

Future supplies of rare minerals for global industries with high-tech products may depend on deep-sea mining. However, environmental standards for seafloor integrity and recovery from environmental impacts are missing. We revisited the only midsize deep-sea disturbance and recolonization experiment carried out in 1989 in the Peru Basin nodule field to compare habitat integrity, remineralization rates, and carbon flow with undisturbed sites. Plough tracks were still visible, indicating sites where sediment was either removed or compacted. Locally, microbial activity was reduced up to fourfold in the affected areas. Microbial cell numbers were reduced by ~50% in fresh "tracks" and by <30% in the old tracks. Growth estimates suggest that microbially mediated biogeochemical functions need over 50 years to return to undisturbed levels. This study contributes to developing environmental standards for deep-sea mining while addressing limits to maintaining and recovering ecological integrity during large-scale nodule mining.

5.
Ned Tijdschr Geneeskd ; 152(26): 1478-84, 2008 Jun 28.
Artigo em Holandês | MEDLINE | ID: mdl-18666667

RESUMO

OBJECTIVE: Examination of the variations in the pace of old-age (80+) mortality decline in 7 Northwestern European countries for the period 1950-1999, and the impact of smoking DESIGN: Retrospective. METHOD: The population mortality data of 7 Northwestern European countries were collated according to year of death for a 50 year period (1950-1999), single year of age (60+ and 80+) and sex. Both all-cause and non-smoking-related mortality were analysed. In addition, a comparison was made with the pace of mortality decline at younger age among the same cohorts. Regression and correlation analyses were used. RESULTS: Marked variations in the pace of old-age mortality decline were found between countries, periods and sexes. While mortality declines were constantly strong in France and England and Wales, modest declines or even increases in mortality rate were observed in the 1950s in the Nordic countries, and since the 1980s in Denmark, The Netherlands, and (for men only) Norway. For non-smoking-related mortality, a high and consistent pace ofmortality decline was observed. The declines showed a clear cohort pattern, with the smallest declines or even increases for men born between 1890 and 1899, compared to an increased pace of mortality decline among women born between 1847 and 1937. Among men, but not women, the pace of old-age mortality decline correlated with the pace of mortality decline at ages 60-69 among the same cohorts. CONCLUSIONS: Variations in the pace of old-age mortality decline are strongly influenced by smoking and probably also by other factors originating earlier in life. For future decades, substantial further declines in old-age mortality may be expected, even though rates of change in specific countries and periods would be difficult to predict.


Assuntos
Mortalidade/tendências , Fumar/mortalidade , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Causas de Morte , Europa (Continente)/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores Sexuais
6.
Rev Med Brux ; 29(1 Suppl): S25-31, 2008.
Artigo em Francês | MEDLINE | ID: mdl-18497217

RESUMO

The department of pediatric uro-nephrology was created in 1977 in Brugmann hospital. Since then, various sectors have been developed including: hemodialysis and peritoneal dialysis, kidney transplantation, urological and genital surgery, antenatal screening and rapid management of uronephropathies, treatment of voiding dysfunction and neurogenic bladder, management of tubular and glomerular diseases. The progress in genetics, medical imaging, obstetrics, neonatology and surgery has allowed us to take care of our young patients within a multidisciplinary framework. The most original contributions of the department are related to the performance of combined liver-kidney transplantation in primary hyperoxaluria, to the determination of the natural history of several congenital anomalies of the kidney and urinary tract, to the assessment of the role of genetic mutations on tubular and glomerular diseases, to the usefulness of radioisotopic tracers in the measurement of renal function in infants, and to the study of experimental tolerance of allografts. The transition of young renal patients from pediatric to adult care is actually well organized due to our 30 years experience and the excellent collaboration with the adult nephrologists.


Assuntos
Nefropatias/terapia , Transplante de Rim/estatística & dados numéricos , Bélgica/epidemiologia , Criança , Humanos , Rim/anormalidades , Rim/embriologia , Nefropatias/epidemiologia , Nefropatias/cirurgia , Transplante de Fígado/estatística & dados numéricos , Nefrologia/tendências
7.
Rev Med Brux ; 29(1 Suppl): S33-9, 2008.
Artigo em Francês | MEDLINE | ID: mdl-18497218

RESUMO

Since 1965, more than 2000 renal transplantations (including more than 100 living-donor transplantations) have been performed at the University of Brussels. An end-stage renal disease patient candidate to renal transplantation will be therefore followed from his enrolment on the waiting list to the long-term post-transplant period. Improvement in the outcome of renal transplantation is achieved due to better knowledge in many fields of medicine, such as immunology, infectious disease, metabolic diseases (hyperlipemia, diabetes mellitus), pharmacology, use of immunosuppressive regimen, a more adequate cardiovascular prevention and treatment. If the best results were achieved with kidneys from living donors, the graft survival rate at the University of Brussels was nearly 80% for the last period (2000-2006). Unfortunately, renal transplantation cannot cure certain comorbid conditions and even may promote them: infectious diseases, neoplasia, metabolic disorders (e.a diabetes mellitus, hyperlipemia). Many efforts have to be done to develop less toxic and more immune selective therapeutic strategies. Living donation and extension of the pool of cadaveric donors will reduce the length of time spent on the waiting list and will significantly impact on mortality and morbidity after kidney transplantation.


Assuntos
Transplante de Rim/estatística & dados numéricos , Bélgica/epidemiologia , Cadáver , Sobrevivência de Enxerto , Hospitais Universitários , Humanos , Transplante de Rim/mortalidade , Transplante de Rim/fisiologia , Doadores Vivos , Estudos Retrospectivos , Doadores de Tecidos , Falha de Tratamento , Resultado do Tratamento
8.
Eur J Cancer ; 42(18): 3212-8, 2006 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-16945523

RESUMO

AIM: To assess whether secular trends in stomach cancer mortality were correlated with trends in infant mortality rate (IMR) or gross domestic product (GDP). METHODS: Data from seven European countries were analyzed. We used Poisson regression to describe mortality trends among birth cohorts of 1865-1939 and correlation coefficients to determine associations with IMR/GDP. RESULTS: Large differences were observed between birth cohorts in mortality from stomach cancer. In each country, these cohort differences were closely related to IMR/GDP levels at birth time. However, stronger associations were observed with measures of living conditions during later life. In comparisons between countries, stomach cancer mortality rates were not consistently related to national levels of IMR/GDP. CONCLUSION: General living conditions in childhood do not seem to have had a predominant effect on secular trends in stomach cancer mortality. The mortality decline is likely to be related to more 1specific factors, such as declining Helicobacter pylori prevalence.


Assuntos
Neoplasias Gástricas/mortalidade , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Estudos de Coortes , Europa (Continente)/epidemiologia , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Mortalidade/tendências , Fatores de Risco
9.
J Clin Epidemiol ; 59(12): 1295-302, 2006 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-17098572

RESUMO

OBJECTIVES: To assess, in a population-based study, whether secular trends in cardiovascular disease mortality in seven European countries were correlated with past trends in infant mortality rate (IMR) in these countries. STUDY DESIGN AND SETTING: Data on ischemic heart disease (IHD) and stroke mortality in 1950-1999 in the Netherlands, England & Wales, France, and four Nordic countries were analyzed. We used Poisson regression to describe trends in mortality according to birth cohort, for the cohorts born between 1860 and 1939. Pearson correlation coefficients were calculated to determine associations between IMR and IHD, or stroke mortality. RESULTS: IHD mortality increased for successive cohorts up to 1900, and then started to decline. Stroke mortality levels were virtually stable among birth cohorts up to 1880, but declined rapidly among later cohorts. A strong positive association was found between cohort-specific IMR levels and stroke mortality rates. There were no strong cohort-wise associations between IMR and IHD mortality. CONCLUSION: These results support other studies in suggesting that living conditions in early childhood may influence population levels of stroke mortality. Future studies should determine the contribution of specific early life factors to the mortality decline in IHD and especially stroke.


Assuntos
Mortalidade Infantil/tendências , Isquemia Miocárdica/mortalidade , Acidente Vascular Cerebral/mortalidade , Adulto , Distribuição por Idade , Idoso , Idoso de 80 Anos ou mais , Estudos de Coortes , Feminino , Finlândia/epidemiologia , França/epidemiologia , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Países Escandinavos e Nórdicos/epidemiologia , Distribuição por Sexo , Reino Unido/epidemiologia
10.
Clin Neurophysiol ; 117(1): 26-32, 2006 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-16337187

RESUMO

OBJECTIVE: To determine if there are steroid-dependent changes in transcallosal transfer during the menstrual cycle in normal women. METHODS: We tested 13 normally cycling women during the menstrual, follicular and midluteal phases. Blood levels of estradiol (E) and progesterone (P) were determined by radioimmunoassay. Ipsilateral tonic voluntary muscle activity suppression, called ipsilateral silent period (iSP), was evoked by applying transcranial magnetic stimulation (TMS) over the left motor cortex and by measuring the EMG of the ipsilateral first dorsal interosseus (FDI) muscle. Both iSP-duration and transcallosal conduction times were measured and related to cycle phase and steroid levels. RESULTS: Duration of iSPs varied over the cycle with largest differences between follicular and midluteal phases. During the midluteal phase high levels of P were significantly related to short iSPs. This relation also applied to E levels and iSPs during the follicular phase. CONCLUSIONS: Our study shows for the first time that the transcallosal transfer is modulated by E and P and changes over the menstrual cycle. SIGNIFICANCE: It is suggested that gonadal steroid hormones affect the interhemispheric interaction and change the functional cerebral organization sex dependently via its neuromodulatory properties on GABAergic and glutamatergic neurons.


Assuntos
Corpo Caloso/efeitos da radiação , Inibição Psicológica , Ciclo Menstrual/efeitos da radiação , Córtex Motor/efeitos da radiação , Estimulação Magnética Transcraniana , Adulto , Análise de Variância , Corpo Caloso/fisiologia , Eletromiografia/métodos , Estradiol/sangue , Feminino , Lateralidade Funcional/fisiologia , Humanos , Modelos Lineares , Ciclo Menstrual/sangue , Córtex Motor/fisiologia , Músculo Esquelético/fisiologia , Músculo Esquelético/efeitos da radiação , Progesterona/sangue , Radioimunoensaio/métodos , Fatores de Tempo
11.
Diabetes Metab ; 32(3): 276-8, 2006 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-16799406

RESUMO

Haemolytic-uraemic syndrome (HUS) is a rare cause of insulin-dependent diabetes mellitus during the acute stage. We previously reported the case of a 3-year-old girl having presented with typical HUS with diarrhea, microangiopathic anaemia, thrombocytopenia and acute renal failure (17 days of anuria). Transient hyperglycaemia (highest level: 513 mg/dl) was observed, requiring continuous intravenous insulin infusion for 9 days. Subcutaneous insulin injections were stopped after 24 days. Oral glucose tolerance test performed 4 months after normalization of blood glucose was normal. HLA DQ genotype (DQA1-DQB1.AZH/DQA3-DQB3.1) was not at risk for type 1 diabetes and there were no auto-antibodies (ICA and IAA). The 3-years follow-up was marked by persistent arterial hypertension, proteinuria and slight renal insufficiency despite angiotensin-converting enzyme inhibitor treatment. Ten years after HUS occurred (the patient had been lost to follow-up for 7 years), she came back with complaints of headache but neither polyurodipsia nor weight loss. She was found to have arterial hypertension. Chronic renal impairment had moderately progressed with decreased glomerular filtration rate (63 ml/min/1.73 m2) and proteinuria (2 g/24 hours). Fasting blood glucose was 189 mg/dl and reached 315 mg/dl during an oral glucose tolerance test. HbA1c level was 8.2% (N<6.2%) and diabetes mellitus was diagnosed without any signs of autoimmunity (IAA, ICA, GADA and IA2B were negative). Good glycaemic control was obtained with 0.5 U/kg/day of insulin. In conclusion, transient beta-cell dysfunction complicating HUS acute stage may evolve to overt non-autoimmune diabetes mellitus (microangiopathic process?), even after a long free interval. This case emphasizes the need for a long-term follow-up of patients with HUS.


Assuntos
Diabetes Mellitus Tipo 1/etiologia , Síndrome Hemolítico-Urêmica/complicações , Glicemia/metabolismo , Pré-Escolar , Feminino , Taxa de Filtração Glomerular , Síndrome Hemolítico-Urêmica/fisiopatologia , Humanos
12.
J Biomed Mater Res A ; 79(2): 338-48, 2006 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-16878315

RESUMO

In an effort to produce clinically useful volumes of tissue engineered bone products, a direct perfusion bioreactor system was developed. Perfusion flow rate, flow direction, and the position of the bioreactor are factors that influenced the amounts and homogeneity of the cells seeded on the scaffold surface. Goat bone marrow stromal cells (GBMSCs) were dynamically seeded and proliferated in this system in relevant volumes (10 cm(3)) of small-sized macroporous biphasic calcium phosphate (BCP) scaffolds (2-6 mm). Cell load and cell distribution were shown using Methylene Blue block staining, and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) staining was used to demonstrate the viability of the cells. Although cells were not distributed homogenously after cell seeding, the scaffolds were covered with a viable, homogeneous cell layer after 25 days of cultivation. The hybrid structures became interconnected, and a dense layer of extracellular matrix formed on and in the scaffolds. Online oxygen measurements during cultivation were correlated with proliferating GBMSCs. It was shown that the oxygen consumption could possibly be used to estimate GBMSC population doubling times during growth in this bioreactor system. On the basis of our results, we conclude that a direct perfusion bioreactor system is capable of seeding and proliferating GBMSCs on BCP ceramic scaffolds that can be monitored online during cultivation.


Assuntos
Materiais Biocompatíveis/química , Reatores Biológicos , Células da Medula Óssea/citologia , Consumo de Oxigênio , Células Estromais/citologia , Engenharia Tecidual/métodos , Animais , Fosfatos de Cálcio/química , Proliferação de Células , Sobrevivência Celular , Computadores , Cabras , Oxigênio/metabolismo , Perfusão , Células Estromais/metabolismo , Sais de Tetrazólio/farmacologia , Tiazóis/farmacologia
13.
Ann Dermatol Venereol ; 133(4): 330-2, 2006 Apr.
Artigo em Francês | MEDLINE | ID: mdl-16733446

RESUMO

BACKGROUND: Voriconazole is a new second-generation fluconazole-derived triazole. With greater potency against susceptible species and a broader spectrum of activity than fluconazole, it is the treatment of choice for invasive pulmonary aspergillosis and other fungal infections (Fusarium, Scedosporium/Pseudalleschezria) is indicated in a visit Candida infections refractory to fluconazole. We describe 7 cases of photosensitivity during treatment with voriconazole in a setting of immunodepression. CASE REPORTS: The patients comprised 5 women and 2 men with a mean age of 38 years (17-67 years). Five had undergone pulmonary transplantation for mucoviscidosis, one had undergone kidney transplantation for lupus nephroangiosclerosis and one was on long-term systemic steroid treatment for Sjögren's syndrome. All patients had very severe immunosuppression and were receiving voriconazole for pulmonary aspergillosis (6 cases) or Scedosporium infection (1 case). Photosensitization appeared within 5 weeks to 14 months after the start of treatment, and in all cases followed exposure to sun, occasionally at low levels. In all cases, cutaneous lesions rapidly disappeared on discontinuation of treatment. DISCUSSION: There have been reports in the literature, although rare, of photosensitivity with voriconazole. Patients must be informed of the possibility of this adverse effect and sun protection must be recommended when voriconazole is prescribed, particularly during periods of intensive exposure.


Assuntos
Antifúngicos/efeitos adversos , Transtornos de Fotossensibilidade/induzido quimicamente , Pirimidinas/efeitos adversos , Triazóis/efeitos adversos , Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Voriconazol
14.
Rev Med Brux ; 27 Spec No: Sp69-73, 2006.
Artigo em Francês | MEDLINE | ID: mdl-21818896

RESUMO

The department of pediatric uro-nephrology was created in 1977 in Brugmann hospital. Since then, various sectors have been developed including: hemodialysis and peritoneal dialysis, kidney transplantation, urological and genital surgery, antenatal screening and rapid management of uronephropathies, treatment of voiding dysfunction and neurogenic bladder, management of tubular and glomerular diseases. The progress in genetics, medical imaging, obstetrics, neonatology and surgery has allowed us to take care of our young patients within a multidisciplinary framework. The most original contributions of the department are related to the performance of combined liver-kidney transplantation in primary hyperoxaluria, to the determination of the natural history of several congenital anomalies of the kidney and urinary tract, to the assessment of the role of genetical mutations on tubular and glomerular diseases, to the usefulness of radioisotopic tracers in the measurement of renal function in infants, and to the study of experimental tolerization of


Assuntos
Unidades Hospitalares , Nefropatias/terapia , Doenças Urológicas/terapia , Bélgica , Criança , Hospitais Pediátricos , Hospitais Universitários , Humanos , Nefropatias/epidemiologia , Doenças Urológicas/epidemiologia
15.
Int J Epidemiol ; 34(5): 1149-59, 2005 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-15964911

RESUMO

BACKGROUND: Secular trends in old-age mortality are of crucial importance to population ageing. For the understanding and prediction of these trends, it is important to determine whether birth cohort effects, i.e. long-lasting effects of exposures earlier in life, are important in determining mortality trends up to old age. This study aimed to identify and describe cohort patterns in trends in mortality among the elderly (>60 years of age) in seven European countries. METHODS: A standard age-period-cohort analysis was applied to all-cause and cause-specific mortality data by 5-year age groups and sex, for Denmark, England and Wales, Finland, France, The Netherlands, Norway, and Sweden, in the period 1950-99. RESULTS: Cohort patterns were identified in all countries, for both the sexes and virtually all causes of death. They strongly influenced the trends in all-cause mortality among Danish, Dutch, and Norwegian men, and the trends in mortality from infectious diseases, lung cancer (men only), prostate cancer, breast cancer, and chronic obstructive pulmonary disease (COPD). All-cause mortality decline stagnated among Danish, Dutch, and Norwegian male birth cohorts born between 1890 and 1915, among French men born after 1920, and among women from all countries born after 1920. Where all-cause mortality decline stagnated, cohort patterns in mortality from lung cancer, COPD, and to a lesser extent ischaemic heart diseases, were unfavourable as well. For infectious diseases, stomach cancer, and cerebrovascular diseases, mortality increased among cohorts born before 1890, and decreased strongly thereafter. CONCLUSIONS: Cohort effects related to factors such as living conditions in childhood and smoking in adulthood were important in determining the recent trends in mortality among the elderly in seven European countries.


Assuntos
Causas de Morte/tendências , Idoso , Envelhecimento , Neoplasias da Mama/mortalidade , Transtornos Cerebrovasculares/mortalidade , Estudos de Coortes , Doenças Transmissíveis/mortalidade , Europa (Continente)/epidemiologia , Feminino , Humanos , Neoplasias Pulmonares/mortalidade , Masculino , Pessoa de Meia-Idade , Isquemia Miocárdica/mortalidade , Neoplasias da Próstata/mortalidade , Doença Pulmonar Obstrutiva Crônica/mortalidade , Distribuição por Sexo , Neoplasias Gástricas/mortalidade
16.
J Epidemiol Community Health ; 59(9): 775-81, 2005 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-16100316

RESUMO

STUDY OBJECTIVE: To test whether mortality selection was a dominant factor in determining trends in old age mortality, by empirically studying the existence of a negative correlation between trends in late middle age mortality and trends in old age mortality among the same cohorts. DESIGN AND METHODS: A cohort approach was applied to period data on total and cause specific mortality for Denmark, England and Wales, Finland, France, the Netherlands, Norway, and Sweden, in 1950-1999. The study described and correlated mortality trends for five year centralised cohorts from 1895 to 1910 at ages 55-69, with the trends for the same cohorts at ages 80-89. The research distinguished between circulatory diseases, cancers, and diseases specifically related to old age. MAIN RESULTS: All cause mortality changes at ages 80-89 were strongly positively correlated with all cause mortality changes at ages 55-69, especially among men, and in all countries. Virtually the same correlations were seen between all cause mortality changes at ages 80-89 and changes in circulatory disease mortality at ages 55-69. Trends in mortality at ages 80-89 from infectious diseases, pneumonia, diabetes mellitus, symptoms, or external causes showed no clear negative correlations with all cause mortality trends at ages 55-69. CONCLUSIONS: The consistently positive correlations seen in this study suggest that trends in old age mortality in north western Europe in the late 20th century were determined predominantly by the prolonged effects of exposures carried throughout life, and not by mortality selection.


Assuntos
Mortalidade/tendências , Distribuição por Idade , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Doenças Cardiovasculares/mortalidade , Causas de Morte , Estudos de Coortes , Europa (Continente)/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Neoplasias/mortalidade
17.
Phys Med Biol ; 50(17): 4065-73, 2005 Sep 07.
Artigo em Inglês | MEDLINE | ID: mdl-16177530

RESUMO

Hair loss is a feared side effect of chemotherapy treatment. It may be prevented by cooling the scalp during administration of cytostatics. The supposed mechanism is that by cooling the scalp, both temperature and perfusion are diminished, affecting drug supply and drug uptake in the hair follicle. However, the effect of scalp cooling varies strongly. To gain more insight into the effect of cooling, a computer model has been developed that describes heat transfer in the human head during scalp cooling. Of main interest in this study are the mutual influences of scalp temperature and perfusion during cooling. Results of the standard head model show that the temperature of the scalp skin is reduced from 34.4 degrees C to 18.3 degrees C, reducing tissue blood flow to 25%. Based upon variations in both thermal properties and head anatomies found in the literature, a parameter study was performed. The results of this parameter study show that the most important parameters affecting both temperature and perfusion are the perfusion coefficient Q10 and the thermal resistances of both the fat and the hair layer. The variations in the parameter study led to skin temperature ranging from 10.1 degrees C to 21.8 degrees C, which in turn reduced relative perfusion to 13% and 33%, respectively.


Assuntos
Velocidade do Fluxo Sanguíneo/fisiologia , Temperatura Corporal/fisiologia , Temperatura Baixa , Crioterapia/métodos , Couro Cabeludo/irrigação sanguínea , Couro Cabeludo/fisiologia , Temperatura Cutânea/fisiologia , Simulação por Computador , Transferência de Energia/fisiologia , Humanos , Modelos Biológicos , Termografia/métodos
18.
Rev Med Brux ; 26(6): 505-12, 2005.
Artigo em Francês | MEDLINE | ID: mdl-16454154

RESUMO

Advances in immunosuppressive therapy over the past decade have led to dramatic improvements of patient and graft survival. The immunosuppression that is used is constantly evolving. The goal remains to find the best combination that will optimize long-term graft survival, while minimizing the adverse effects. It is likely that in the near future the results will even be improved further by the development of new medications with a better therapeutic index and the induction of transplant tolerance.


Assuntos
Rejeição de Enxerto/prevenção & controle , Imunossupressores/uso terapêutico , Transplante de Rim , Inibidores de Calcineurina , Criança , Humanos
19.
Arch Pediatr ; 22(8): 848-52, 2015 Aug.
Artigo em Francês | MEDLINE | ID: mdl-26143997

RESUMO

BACKGROUND: To describe the practical problems related to urinary tract infection (UTI) management in febrile Vietnamese children. METHODS: During a prospective 28-month inclusion period, 143 febrile children with significant bacteriuria were treated for UTI in the nephrology department of Nhi Dong 2 children's hospital in Ho Chi Minh City, Vietnam. Patients were treated after blood and urine samples had been taken for culture, according to a local antibiotic protocol, parenterally with ceftriaxone 75mg/kg/day. Oral treatment with cefixime 8mg/kg/day was started after 48h of apyrexia for 2 weeks. According to local protocol, antibiotic therapy was only changed if children did not respond clinically to treatment regardless of antibiogram results. RESULTS: Among these 143 children, 51% were girls and 80% of them had their first UTI before the age of 2 years. The commonest causative agent was Escherichia coli (80% of cases) with a high resistance rate to ampicillin (91%) and cotrimoxazole (74%). Extended-spectrum ß-lactamase (ESBL) production was observed in 52% of Enterobacteriaceae isolates. According to antibiotic susceptibility, the initial treatment with ceftriaxone was found to be inappropriate in 63% of cases. CONCLUSIONS: E. coli was responsible for 80% of UTIs in Vietnamese children with a high rate of resistance to first-line antibiotics. ESBL production was found to be extremely high in this study. Based on these data, we propose a new empiric treatment schedule for Vietnamese children suspected of UTI.


Assuntos
Antibacterianos/uso terapêutico , Ceftriaxona/uso terapêutico , Infecções por Escherichia coli/diagnóstico , Infecções por Escherichia coli/tratamento farmacológico , Infecções Urinárias/diagnóstico , Infecções Urinárias/tratamento farmacológico , Adolescente , Criança , Pré-Escolar , Infecções por Escherichia coli/complicações , Feminino , Febre/etiologia , Humanos , Lactente , Masculino , Estudos Prospectivos , Infecções Urinárias/complicações
20.
Acta Clin Belg ; 70(1): 23-9, 2015 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-25257447

RESUMO

OBJECTIVES: The present single centre study aims at analyzing the impact on renal allograft outcome of the important changes which occurred in the transplant population and immunosuppressive therapy during the last two decades. METHODS: From 2000 to 2013, 779 single kidney transplantations were performed on 635 patients who all received on an intent-to-treat basis steroids, a calcineurin inhibitor, mycophenolate mofetil and an induction therapy with either antithymocyte globulin or an antagonist directed to the interleukin (IL)-2 receptor. Uni- and multivariate analyses of patient and immunologic graft survival were conducted. RESULTS: The sole factor predicting patient survival is recipient's age: 10-year survival rates are 94·7, 81·6 and 57·9% for the <45, 45-60 and >60 years age groups, respectively (P<0·001). Peak (>50% panel reactive antibodies) anti-human leucocyte antigens (HLA) sensitization, cold ischaemia time and HLA-B and -DR mismatches (MM) influence graft outcome: at 10 years, the difference in 10-year survival rates is 5·9% between grafts from sensitized and not sensitized patients (90·9 vs 96·8%, P = 0·002), 3·8% between grafts with <18 and ≧18 hours cold ischaemia (96·6 vs 92·8%, P = 0·003), 7·3% between grafts with no MM and either B or DR MM versus those with B and DR MM (96·8 vs 89·5%, P = 0·002). CONCLUSION: In our single centre experience, graft survival was most strongly determined by HLA matching, offering excellent long term graft outcome to most patients.


Assuntos
Sobrevivência de Enxerto , Terapia de Imunossupressão/tendências , Transplante de Rim/estatística & dados numéricos , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto
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