Padovani L.,Marseille University Hospital Center |
Andre N.,Marseille University Hospital Center |
Constine L.S.,Marseille University Hospital Center |
Muracciole X.,University of Rochester
Nature Reviews Neurology | Year: 2012
The brain is highly vulnerable to neurotoxic agents during the prime learning period of a child's life. Paediatric patients with brain tumours who are treated with cranial radiation therapy (CRT) often go on to develop neurocognitive deficits, which are reflected in poor academic achievement and impaired memory, attention and processing speed. The extent of these delayed effects varies with radiation dose, brain volume irradiated, and age at treatment, and might also be influenced by genetic factors and individual susceptibility. CRT-induced impairment involves axonal damage and disruption of white matter growth, and can affect brain structures implicated in memory function and neurogenesis, such as the hippocampus. In this article, we review the underlying mechanisms and clinical consequences of CRT-induced neurocognitive damage in survivors of paediatric brain tumours. We discuss the recent application of neuroimaging technologies to identify white matter injury following CRT, and highlight new radiation techniques, pharmacological and neurological interventions, as well as rehabilitation programmes that have potential to minimize neurocognitive impairment following CRT. © 2012 Macmillan Publishers Limited. All rights reserved.
Badiaga S.,French National Center for Scientific Research |
Badiaga S.,Marseille University Hospital Center |
Brouqui P.,French National Center for Scientific Research
Clinical Microbiology and Infection | Year: 2012
Several of the infectious diseases associated with human lice are life-threatening, including epidemic typhus, relapsing fever, and trench fever, which are caused by Rickettsia prowazekii, Borrelia recurrentis, and Bartonella quintana, respectively. Although these diseases have been known for several centuries, they remain a major public health concern in populations living in poor-hygiene conditions because of war, social disruption, severe poverty, or gaps in public health management. Poor-hygiene conditions favour a higher prevalence of body lice, which are the main vectors for these diseases. Trench fever has been reported in both developing and developed countries in populations living in poor conditions, such as homeless individuals. In contrast, outbreaks of epidemic typhus and epidemic relapsing fever have occurred in jails and refugee camps in developing countries. However, reports of a significantly high seroprevalence for epidemic typhus and epidemic relapsing fever in the homeless populations of developed countries suggest that these populations remain at high risk for outbreaks of these diseases. Additionally, experimental laboratory studies have demonstrated that the body louse can transmit other emerging or re-emerging pathogens, such as Acinetobacter baumannii and Yersinia pestis. Therefore, a strict survey of louse-borne diseases and the implementation of efficient delousing strategies in these populations should be public health priorities. © 2012 The Authors. Clinical Microbiology and Infection © 2012 European Society of Clinical Microbiology and Infectious Diseases.
Martin C.,Marseille University Hospital Center |
Jacob M.,Ludwig Maximilians University of Munich |
Vicaut E.,Laboratoire Of Biophysique |
Guidet B.,Hopitaux de Paris |
And 2 more authors.
Anesthesiology | Year: 2013
Background: The aim of this meta-analysis was to evaluate renal safety with the active substance of the latest generation of waxy maize-derived hydroxyethyl starch in surgical patients. The authors focused on prospective, randomized, controlled studies that documented clinically relevant variables with regard to renal effects of waxy maize-derived hydroxyethyl starch 130/0.40. Materials and Methods: The authors carefully searched for all available prospective, randomized studies and evaluated the greatest delta from baseline values in renal safety variables (serum creatinine values, calculated creatinine clearance, incidence of renal replacement therapy, and acute renal failure). The authors included 17 studies that analyzed patients (n = 1,230) undergoing a variety of surgical procedures. Results: For maximum serum creatinine values, the effect size estimate was 0.068 (95% CI =-0.227 to 0.362), P = 0.65. For calculated creatinine clearance values, pooled risk difference was 0.302 (95% CI =-0.098 to 0.703), P = 0.14. For incidence of acute renal failure, pooled risk difference was 0.0003 (95% CI =-0.018 to 0.019), P = 0.98. For incidence of renal replacement therapy, pooled risk difference was-0.003 (95% CI =-0.028 to 0.022), P = 0.85. Conclusions: The authors found no evidence for renal dysfunction caused by modern waxy maize-derived hydroxyethyl starch 130/0.40 in surgical patients. © 2013, the American Society of Anesthesiologists, Inc. Lippincott Williams & Wilkins.
Lagier J.-C.,Aix - Marseille University |
Lagier J.-C.,Marseille University Hospital Center
Clinical Microbiology and Infection | Year: 2014
Recurrent Clostridium difficile infections constitute an important medical concern. Evidence has been provided showing that faecal microbiota transplantation is a more efficient treatment than antibiotics. Serious side effects are unusual, and acceptability is not an obstacle. Nevertheless, protocols are heterogeneous with respect to the selection of donors and the methodology used for the faecal transplantation. Regulations by both the Food and Drug Administration and the French authorities consider stool samples to be drugs, and suggest strict supervision in clinical trials. Donor screening by questionnaire or by blood and stool analysis, which is essential in eliminating pathogens or viruses before transplantation, is similar in different countries, with a few exceptions. The traceability of the faecal transplant and long-term follow-up of the patients in clinical trials are issues that may be difficult to organize. The use of frozen microbiota facilitates transplantation, and the nasogastric route seems to be at least as effective as other invasive methods and avoids the risk of anaesthesia. Synthetic microbiota is an approach that selects a mixture of bacteria, thereby eliminating the risk of transmissible disease; however, this approach is not yet evidence-based. The use of pills, which is currently being tested in clinical trials, will certainly be the starting point for the extensive use and wide industrialization of faecal microbiota transplantation. © 2014 European Society of Clinical Microbiology and Infectious Diseases.
Nicoli F.,Marseille University Hospital Center |
Lafaye De Micheaux P.,University of Montréal |
Girard N.,Marseille University Hospital Center
American Journal of Neuroradiology | Year: 2013
BACKGROUND AND PURPOSE: Recent studies highlight the role of CC in preserving ischemic penumbra. Some authors suggested the quality of CC could also impact recanalization. The purpose of this study is to test this hypothesis in patients who were treated with IV thrombolysis for MCA-M1 occlusion. MATERIALS AND METHODS: A normalized index derived from Tmax maps (MR-PWI) was defined to quantify the CC deficit (nCCD) in 64 patients with stroke who underwent IV thrombolysis. Correlations between nCCD and parameters that may be altered by CC quality were tested (baseline NIHSS, volume of diffusion abnormalities, modified Rankin Scale at 3 months). The correlation between baseline nCCD and MCA-M1 recanalization rate at 24 hours was tested. RESULTS: The nCCD is significantly correlated with NIHSS and with lesional volume (Pearson correlation test, positive correlations, respectively, 0.40, 0.57; P=.00089, P=8.7e-07). The nCCD also has a significant predictive value on the full recanalization at 24 hours that decreases as TTT increases (logistic regression, P = .021). Furthermore, among patients who were treated within 3 hours, nCCD and recanalization are significantly correlated (correlation ratio test, eta2 = 0.23, P = .0023): Patients who did not achieve full recanalization have significantly higher nCCD than fully recanalized patients (Mann-Whitney U test, P = .007). In addition, the probability of full recanalization decreases as the nCCD increases (P=.021). nCCD (OR 0.988, 95% CI 0.977-0.999, P=.042) and full recanalization at 24 hours (OR 4.539, 95% CI 1.252-16.456, P = .021) are independent predictors of functional independence at 3 months. CONCLUSIONS: The nCCD index is a predictor of full MCA-M1 recanalization in patients treated with IV thrombolysis.
Hartung O.,Marseille University Hospital Center
Perspectives in Vascular Surgery and Endovascular Therapy | Year: 2011
Venous obstructive lesions represent a therapeutic challenge. Postthrombotic lesions are the most complex and very prone to rethrombosis. Technical success can be achieved in more than 85% of the cases (100% when recanalization with thrombolysis is not needed) with a low rate of periprocedural complications and no mortality. The overall rate of thrombotic events after stenting is around 5%. Patency rates depend on multiple criteria, including the need for thrombolysis and the involvement of the common femoral vein and of the inferior vena cava. Primary, assisted-primary, and secondary patency rates were 67%, 89%, and 93%, respectively, at 6 years in the study by Neglén and 66%, 70%, and 77%, respectively, in the intention-to-treat European multicentric study, at 5 and 10 years. Stenting is a minimally invasive and safe technique with good long-term clinical results and patency rates. It represents the method of choice for the treatment of postthrombotic iliofemoral venous obstructions. © The Author(s) 2011.
Cautela J.,Marseille University Hospital Center
Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology | Year: 2013
Whole body imaging with (18)F-fluorodeoxyglucose positron-emission tomography/computed tomography (FDG PET/CT) has proven useful in various infectious diseases. The purpose of this pilot study was to assess the diagnostic yield of FDG PET/CT in patients with cardiac implantable electronic device (CIED) infection. A total of 21 patients with CIED infection were prospectively included. Diagnosis of CIED infection was made in accordance with current criteria. It was classified in three categories, i.e. superficial skin infection, pocket site infection, or cardiac device-related infective endocarditis (CDRIE). All patients underwent FDG PET/CT. Scans were interpreted blindly, i.e. without prior knowledge of diagnosis, by experienced nuclear medicine physicians. The accuracy of FDG PET/CT was assessed for each diagnostic category. Findings demonstrated superficial skin infection in 1 patient, pocket site infection in 15, and CDRIE in 13 (definite: 7; possible: 6). In patients with pocket site infection, the sensitivity and specificity of FDG PET/CT were 86.7% [59.5-98.3, 95% confidence interval (CI)] and 100% [42.1-100, 95% CI]. The only patient with superficial skin infection was accurately identified by FDG PET/CT. The sensitivity and specificity of FDG PET/CT in patients with CDRIE were 30.8% [9.1-61.4, 95% CI] and 62.5% [24.5-91.5, 95% CI]. Most false-negative results occurred in patients who had undergone previous antimicrobial treatment. This study indicates that FDG PET/CT is highly accurate for the diagnosis of skin and pocket CIED infection but low for infective endocarditis. This suggests that the reliability of FDG PET/CT findings in management decision making varies according to the type of CIED infection.
Borentain P.,Marseille University Hospital Center
Clinics and research in hepatology and gastroenterology | Year: 2011
Sorafenib is a multikinase inhibitor currently used in the palliative treatment of advanced hepatocellular carcinoma. In patients with small hepatocellular carcinoma, sorafenib could be suggested as neoadjuvant therapy to control tumor growth during waiting time for liver transplantation. However, up to now, safety of liver transplantation in patients undergoing sorafenib treatment is not known. Herein, we report a case of successful liver transplantation in a patient treated by sorafenib for hepatocellular carcinoma. In this patient, liver transplantation was performed safely and histological examination of explanted liver evidenced complete necrosis of the largest tumor nodule. Copyright © 2011 Elsevier Masson SAS. All rights reserved.
Colson P.,Marseille University Hospital Center
Euro surveillance : bulletin européen sur les maladies transmissibles = European communicable disease bulletin | Year: 2013
Real-time systematic monitoring of the number of infections diagnosed in our clinical microbiology laboratory in Marseille recently drew attention to the fact that the incidence of gonorrhoea was 10-fold greater from September through December 2012 than during same months of previous years. We also found an increase in the annual incidence of syphilis and human immunodeficiency virus seroconversion. Our system allowed timely identification of an increase in sexually-transmitted infections in Marseille for the whole year of 2012.
Bruder N.,Marseille University Hospital Center |
Rabinstein A.,Mayo Medical School
Neurocritical Care | Year: 2011
Cardiopulmonary complications after aneurysmal subarachnoid hemorrhage negatively affect overall morbidity and mortality. An electronic literature search was performed for English-language articles focused on cardiopulmonary complications with subarachnoid hemorrhage published through October 2010. A total of 278 citations were identified, including 72 clinical studies. In most cases, study quality was low or very low. Cardiac injury, evidenced by an elevation in troponin levels, is reported in about one-third of patients after aneurysmal subarachnoid hemorrhage. Arrhythmias also occur in about one-third of patients after subarachnoid hemorrhage. The incidence of pulmonary complications, especially neurogenic pulmonary edema, is more difficult to establish from available literature. Cardiopulmonary complications have been linked to worsened clinical outcome, suggesting a role for cardiac monitoring and interventions. © Springer Science+Business Media, LLC 2011.