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5 showed significantly decreased overall image quality. The ICC values based on the voxel level of each accelerated scan and conventional scan were high (>0.9, 85.2%). For different accelerated sequences, AD and MS patients showed consistent results with the conventional sequence in gray matter atrophy when compared to HC.
CS-SENSE factor of 3 is the appropriate parameter to accelerate the 3D T1W-TFE (65% time reduction) with preserved visual image quality. The voxel-based analysis demonstrated high ICCs for brain volume measurements in the majority of brain regions, implying the feasibility of the accelerated technique.
CS-SENSE factor of 3 is the appropriate parameter to accelerate the 3D T1W-TFE (65% time reduction) with preserved visual image quality. The voxel-based analysis demonstrated high ICCs for brain volume measurements in the majority of brain regions, implying the feasibility of the accelerated technique.Takotsubo syndrome (TS) is a condition of transient cardiac dysfunction that develops in the setting of abrupt sympathetic stimulation. Although classically identified by ballooning of the apical segment, TS can also present in atypical forms with abnormalities of the basal, mid-ventricular, or other focal segments. In the perioperative setting, anaesthetic effects and physiologic perturbations from surgery can further confound the diagnosis. We present a narrative review of the most recent evidence for underlying pathophysiologic mechanisms of the variable ballooning patterns and highlight important anaesthetic considerations in the diagnosis and management of these patients.
Acetaminophen (APAP)-induced acute liver failure (ALF) is a rare disease associated with high mortality rates. This study aimed to evaluate changes in interventions, psychosocial profile, and clinical outcomes over a 21-year period using data from the ALF Study Group registry.
A retrospective review of this prospective, multicenter cohort study of all APAP-ALF patients enrolled during the study period (1998-2018) was completed. Primary outcomes evaluated were the 21-day transplant-free survival (TFS) and neurologic complications. Covariates evaluated included enrollment cohort (early, 1998-2007; recent, 2008-2018), intentionality, psychiatric comorbidity, and use of organ support including continuous renal replacement therapy (CRRT).
Of 1190 APAP-ALF patients, recent cohort patients (n= 608) had significantly improved TFS (recent, 69.8% vs early, 61.7%; P= .005). Recent cohort patients were more likely to receive CRRT (22.2% vs 7.6%; P < .001), and less likely to develop intracranial hypertension (29use.
In addition to findings from endoscopy, histologic features of colon biopsies have been associated with outcomes of patients with ulcerative colitis (UC). We investigated associations between Geboes scores (a system to quantify structural changes and inflammatory activity in colon biopsies) and UC progression, and the time period over which this association is valid.
We analyzed data from 399 asymptomatic patients with UC enrolled in the ACERTIVE study, followed at 13 inflammatory bowel disease (IBD) centers in Portugal through 31 December 2019. Blood and stool samples were collected and analyzed, and all patients underwent sigmoidoscopy within 24 h of sample collection. We assessed baseline endoscopic status (Mayo endoscopic subscore), histologic features of 2 sigmoid and 2 rectal biopsies (Geboes score), and concentration of fecal calprotectin (FC). The primary outcome was UC progression (surgical, pharmacologic, and clinical events). We generated survival curves for 36 months or less and more than 36 mbiopsies (Geboes score) to be an independent risk factor for progression of UC in the first 36 months after biopsy.
We found histologic features of colon biopsies (Geboes score) to be an independent risk factor for progression of UC in the first 36 months after biopsy.
The value of a cancer screening programs is defined by its balance of benefits and harms; however, there are few data evaluating both attributes for hepatocellular carcinoma (HCC) surveillance. We aimed to characterize benefits and harms of HCC surveillance in a large prospective cohort of patients with cirrhosis.
We conducted a secondary analysis of a clinical trial evaluating HCC surveillance among patients with cirrhosis at a safety-net health system enrolled between December 2014 and July 2015. We quantified surveillance-related benefits, defined as early HCC detection and curative treatment receipt, and physical harms, defined as diagnostic procedures for false positive or indeterminate results, over an 18-month period.
Of 614 cirrhosis patients with ≥1 surveillance exam, abnormal results were observed in 118 (19.2%) patients. Twenty-six patients developed HCC during follow-up, of whom 16 (61.5%) were detected by surveillance. The proportion of HCC detected at BCLC stage 0/A (62.5% vs 50%, p = .69) and who underwent curative treatment (43.8% vs. 40.0%, p = 1.0) did not significantly differ between surveillance-detected patients and those diagnosed incidentally/symptomatically. Physical harms were observed in 54 (8.8%) patients who underwent surveillance- most of mild severity with only 1 diagnostic CT or MRI and none undergoing invasive testing such as biopsy. Incidental findings on follow-up imaging were found in 40 (6.5%) patients -23 of low clinical importance and 17 medium clinical importance.
In our cohort of patients with cirrhosis, HCC surveillance was associated with high early tumor detection and minimal physical harms.
In our cohort of patients with cirrhosis, HCC surveillance was associated with high early tumor detection and minimal physical harms.The efficacy of conventional synthetic disease-modifying antirheumatic drugs (csDMARDs) for rheumatoid arthritis (RA) patients was limited. However, there were no predictive markers for poor csDMARDs outcome. Clinical information of RA patients was collected and the high-mobility group box 1 (HMGB1) polymorphisms (rs4145277, rs2249825, rs1412125 and rs1045411) were examined. Among the 252 patients, 31.0% had no response of csDMARDs. Anti-citrullinated protein antibody (ACPA)-positive, C-reactive protein (CRP) and Disease Activity Score (DAS) 28- erythrocyte sedimentation rate (ESR) were the associated factors, which (DACDAS 28 > 4.7 and ACPA-positive and CRP > 7.1 mg/L) was used to predict poor csDMARDs outcome, the sensitivity and specificity was 87.2% and 60.9%, respectively. Among those DAC patients, the refractory RA rate in the rs2249825 GG genotype patients was 83.3%, the specificity was 98.5%. The clinical markers (DAC) and rs2249825 GG genotype can be used to predict poor csDMARDs outcome.
Neutrophils are the most abundant cell type infiltrating the airways during severe respiratory syncytial virus (RSV) infection. Their exact role in disease pathophysiology remains enigmatic. Therefore, we determined genome-wide RNA expression profiles of local and systemic neutrophils in RSV bronchiolitis to provide further insight into local neutrophil biology.
We performed a single-center analysis, in 16 infants, admitted to the pediatric intensive care unit with severe RSV bronchiolitis. Neutrophils were isolated from blood and tracheobronchial aspirates (sputum). After low input RNA sequencing, differential expression of genes was determined followed by gene set analysis.
Paired transcriptomic analysis of airway versus blood neutrophils showed an inflammatory phenotype, characterized by NF-kB signaling and upregulated expression of IL-6 and interferon pathways. We observed distinct expression of neutrophil activation genes (TNFSF13B, FCER1G).
Our data indicate that airway neutrophils regulate their function at the transcriptional level in response to viral infection. It also suggests that local interferon drives the neutrophil response of severe RSV bronchiolitis.
Our data indicate that airway neutrophils regulate their function at the transcriptional level in response to viral infection. It also suggests that local interferon drives the neutrophil response of severe RSV bronchiolitis.22q11.2 deletion syndrome (22q11.2DS) has a heterogeneous presentation that includes multiple congenital anomalies and immunodeficiency, one of the most striking features. Usually, it is characterized by T cell lymphopenia, B cell dysfunction and autoimmunity. Here, we describe an unusual case of 22q11.2DS in a patient with lymphoproliferative disorder, polyautoimmunity and hypogammaglobulinemia.Most severe cases with COVID-19, especially those with pulmonary failure, are not a consequence of viral burden and/or failure of the 'adaptive' immune response to subdue the pathogen by utilizing an adequate 'adaptive' immune defense. Rather it is a consequence of immunopathology, resulting from imbalanced innate immune response, which may not be linked to pathogen burden at all. In fact, it might be described as an autoinflammatory disease. The Kawasaki-like disease seen in children with SARS-CoV-2 exposure might be another example of similar mechanism.Climate change is expected to produce shifts in species distributions as well as behavioural and physiological adaptations to find suitable conditions or to cope with the altered environment. The paper wasps Polistes dominula and Polistes gallicus are closely related species, native in the European Mediterranean region and North Africa. P. dominula has expanded its range to the relatively cooler climates of Northern and Eastern Europe, but P. gallicus remained in its original distribution area. In order to reveal their metabolic adaptation to the current climate conditions, and the impact on energy demand at future climate conditions, we investigated the respiratory metabolic rate (CO2 production) of P. dominula from Austria and P. gallicus from Italy. In contrast to the metabolic cold adaptation hypothesis their standard metabolic rate was nearly the same and increased in a typical exponential course with increasing ambient temperature. The metabolic rate of active wasps was higher than the standard metabolic rate and increased with the wasps' activity. BLU9931 There was no obvious difference in the active metabolism between the two species, with the exception that some P. gallicus individuals showed some extraordinary high values. A simultaneous measurement of metabolic rate and body temperature revealed that increased CO2 production was accompanied by endothermic activity. The two investigated populations of paper wasps are quite similar in their metabolic response to temperature, although they live in different climate regions. The spread of P. dominula into cooler regions did not have significant influence on their active and standard metabolic rate.
Sleep disturbance is highly prevalent in patients with spinal cord injury and is one of the most important clinical issues affecting their quality of life. However, it has not been properly measured or treated in patients with cervical myelopathy (CM), although most typical or atypical symptoms of CM are known to be risk factors for sleep disturbance. In addition, previous studies identified that the presence of sleep disturbance is unintentionally missed under the current evaluation process for degenerative spinal disease without direct investigation using validated tools for sleep. Therefore, studies about sleep disturbances in patients with CM are essential.
The purpose of this study was to investigate the prevalence of sleep disturbance in patients with CM using validated tools and to understand its mechanism by identifying high-risk patients.
Cross-sectional study.
Consecutive patients diagnosed with CM.
Pittsburgh sleep quality index.
This study was performed on patients diagnosed with CM. Sleep disturbance was determined using the Pittsburgh sleep quality index.
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