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563). Ten patients with severe anaemia required a switch from ZDV to tenofovir (11.4% in standard-dose arm vs. 2.8% in low-dose arm; P = 0.054). At 24 weeks, there was no significant difference between treatment groups, including median CD4 T-cell count increases.
No significant difference was observed in the overall rate of anaemia between HIV-infected individuals starting a ZDV-based treatment according to a standard- or reduced-dose regimen. Severe anaemia and treatment switches related to study drug, however, were more frequent with 600 mg than 400 mg ZDV.
No significant difference was observed in the overall rate of anaemia between HIV-infected individuals starting a ZDV-based treatment according to a standard- or reduced-dose regimen. Severe anaemia and treatment switches related to study drug, however, were more frequent with 600 mg than 400 mg ZDV.A large body of research indicates that observing actions made by others is associated with corresponding motor facilitation of the observer's corticospinal system. However, it is still controversial whether this matching mechanism strictly reflects the kinematics of the observed action or its meaning. To test this issue, motor evoked potentials induced by single-pulse transcranial magnetic stimulation were recorded from hand and leg muscles while participants observed a symbolic action carried out with the index finger, but classically performed with the leg (i.e., a soccer penalty kick). A control condition in which participants observed a similar (but not symbolic) hand movement was also included. Results showed that motor facilitation occurs both in the observer's hand (first dorsal interosseous) and leg (quadriceps femoris) muscles. The present study provides evidence that both the kinematics and the symbolic value of an observed action are able to modulate motor cortex excitability. The human motor system is thus not only involved in mirroring observed actions but is also finely tuned to their symbolic value.
In this study we investigated the frequency and characteristics of pulmonary manifestations in a group of patients with Behcet's disease (BD) who were admitted to Cairo University Hospital.
Fifteen patients were included in our study, 14 men (93.3%) and one woman (6.66%).Their mean age was 30.06±9.8years and the mean age of onset of BD was 23.7±5.54years. All patients were subjected to full history taking, clinical examination, plain chest X-ray and helical computed tomography (CT) study of the chest.
Pulmonary involvements were detected in 11 patients with BD, 73.3% of cases 10 men (90.9%) and one woman (9.09%).Their mean age was 28.8±8.07, the mean age of onset of BD was 23.2±5.59years and the mean disease duration until lung manifestations appear was 3.7±4.8years. The main pulmonary and constitutional symptoms in these 11 patients were as follows dyspnea 81.8%, cough 63.6%, weight loss 63.6%, chest tightness 54.5%, hemoptysis 45%, massive hemoptysis 27.2%, fever 36.3% and expectoration 36.3. Analysis of both vascular and parenchymal lung lesions in helical CT scan in the 11 patients with BD were as follows pulmonary artery aneurysm (PAA) occurred in 5/11 patients (45.4%), pulmonary nodules occurred in 3/11 patients (27.2%), pleural effusion occurred in 3/11 patients (27.2%), pulmonary embolism and infarction occurred in 1/11 patients (9.09%) and pneumonitis occurred in 1/11 patients (9.09%).
The higher frequency of pulmonary manifestations in our patients (73.3%) and the higher frequency of PAA (33.3%) could be related to the fact that this study was conducted on a group of patients who were admitted to the hospital with more severe illnesses.
The higher frequency of pulmonary manifestations in our patients (73.3%) and the higher frequency of PAA (33.3%) could be related to the fact that this study was conducted on a group of patients who were admitted to the hospital with more severe illnesses.
The RIFLE classification is widely used to assess the severity of acute kidney injury (AKI), but its application to geriatric AKI patients complicated by medical problems has not been reported.
We investigated 256 geriatric patients (≥65years old; mean age, 74.4±6.3years) who developed AKI in the intensive care unit (ICU) according to the RIFLE classification. Etiologic, clinical, and prognostic variables were analyzed.
They were categorized into RIFLE-R (n=53), RIFLE-I (n=102), and RIFLE-F (n=101) groups. The overall in-hospital mortality was 39.8%. There were no significant differences in RIFLE category between survivors and non-survivors. Survivors had significantly less needs for a ventilator and vasopressor, and lower number of failing organs. Survivors had higher systolic blood pressure, hemoglobin level, and serum albumin levels. We performed a logistic regression analysis to identify the independent predictors of in-hospital mortality. In a univariate analysis, hypertension, chronic kidney disease, RIFLE classification, number of failing organs, need for a ventilator and vasopressor, systolic blood pressure, hemoglobin level, and serum albumin levels were identified as prognostic factors of in-hospital mortality. However, in a multivariate analysis, hypertension, chronic kidney disease, number of failing organs, and serum albumin levels were independent risk factors, with no significant difference for in-hospital mortality with the RIFLE classification.
The RIFLE classification might not be associated with mortality in geriatric AKI patients in the ICU. In geriatric patients with AKI, various factors besides severity of AKI should be considered to predict mortality.
The RIFLE classification might not be associated with mortality in geriatric AKI patients in the ICU. In geriatric patients with AKI, various factors besides severity of AKI should be considered to predict mortality.
Optimising infliximab therapy is recommended in inflammatory bowel disease (IBD) patients who lose response to infliximab; however, there are no data on the outcome of ulcerative colitis (UC) patients after doubling the dose.
To determine the efficacy and safety of infliximab dose doubling in UC patients with a loss of response to infliximab.
From January 2006 to May 2013, we retrospectively reviewed the outcome of the consecutive UC patients who were treated with infliximab dose doubling (10 mg/kg) for loss of response in four French academic centres. The clinical response and remission were assessed. A composite event-free survival analysis was performed using the log-rank test and the Cox model.
One hundred and fifty-seven patients [84 males; median age 37. 6 (IQR 28.2-49.4) years] were included. The median follow-up after infliximab dose doubling was 1.8 (1.0-3.1) years. At weeks 8 and 24, 55% and 43% of the patients achieved a clinical response respectively. The probabilities of the event-free survival were 71%, 61% and 55% at 6 months, 1 year and 2 years respectively. In the multivariate analysis, the predictors of infliximab dose doubling failure were the absence of the introduction of an immunomodulator concomitantly to dose doubling, a partial Ulcerative Colitis Disease Activity Index >6, a C-reactive protein level >10 mg/L, a leucocyte count >8000/mm(3) and a haemoglobin level <12.5 g/dL. Adverse events were reported in 12 patients (8%).
Infliximab dose doubling led to short- and long-term event-free survival in UC patients, who had a loss of response to infliximab, in greater than 50% of the cases. The benefits of such a strategy were significantly improved by adding a concomitant immunomodulator.
Infliximab dose doubling led to short- and long-term event-free survival in UC patients, who had a loss of response to infliximab, in greater than 50% of the cases. The benefits of such a strategy were significantly improved by adding a concomitant immunomodulator.We report a cluster of imported vivax malaria in three of five Chilean travelers returning from Peru in March 2015. The cluster highlights the high risk of malaria in the Loreto region in northern Peru, which includes popular destinations for international nature and adventure tourism. According to local surveillance data, Plasmodium vivax is predominating, but Plasmodium falciparum is also present, and the incidence of both species has increased during recent years. Travelers visiting this region should be counseled about the prevention of malaria and the options for chemoprophylaxis.It is well known that people tend to perform poorly when asked to determine a posterior probability on the basis of a base rate, true positive rate, and false positive rate. The present experiments assessed the extent to which individual participants nevertheless adopt consistent strategies in these Bayesian reasoning problems, and investigated the nature of these strategies. In two experiments, one laboratory-based and one internet-based, each participant completed 36 problems with factorially manipulated probabilities. Many participants applied consistent strategies involving use of only one of the three probabilities provided in the problem, or additive combination of two of the probabilities. There was, however, substantial variability across participants in which probabilities were taken into account. In the laboratory experiment, participants' eye movements were tracked as they read the problems. There was evidence of a relationship between information use and attention to a source of information. Participants' self-assessments of their performance, however, revealed little confidence that the strategies they applied were actually correct. These results suggest that the hypothesis of base rate neglect actually underestimates people's difficulty with Bayesian reasoning, but also suggest that participants are aware of their ignorance.The treatment of some subsets of patients having both right-sided superior vena cava (SVC) and left-sided SVC may be very challenging. We performed the SVC integration (SVCI) technique with end-to-side anastomoses between the two SVCs on 4 such patients (age, 5 to 11 months; body weight, 5.4 to 10.2 kg) with excellent outcomes. In 2 patients, we performed intrapulmonary artery septation with SVCI; in 1 patient, pulmonary artery sling repair with SVCI; and in 1 patient with supramitral stenosis related to persistent left-sided SVC, repeated Blalock-Taussig shunt (BTS) with SVCI. Our SVCI technique is very useful in specific cases (eg, in candidates for the Fontan procedure.Obtaining excellent exposure of the papillary muscles is challenging in minimally invasive mitral valve repair. We have developed a simple and effective technique using a sterile paper ruler. The ruler is cut to the proper length (8 to 12 cm) depending on the valve size, then rolled and sutured. The rolled ruler, 7 to 11 cm in circumference, is placed inside the mitral leaflets. E6446 mw This technique provides excellent exposure of the papillary muscles without damaging the leaflets and prevents chordal injury during artificial chordal implantation.The 50-cc SynCardia total artificial heart is designed to facilitate orthotopic replacement of the native ventricles in patients with a body surface area below 1.7 m(2) in need of long-term circulatory support as a result of end-stage biventricular heart failure. We describe the implementation of this technology in a female patient with irreversible cardiogenic shock on the grounds of acute myocardial infarction and chronic ischemic cardiomyopathy.
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