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To characterize seizure and cognitive outcomes of sparing vs removing an magnetic resonance imaging (MRI)-normal hippocampus in patients with temporal lobe epilepsy.
In this retrospective cohort study, we reviewed clinical, imaging, surgical, and histopathological data on 152 individuals with temporal lobe epilepsy and nonlesional hippocampi categorized into hippocampus-spared (n=74) or hippocampus-resected (n=78). Extra-hippocampal lesions were allowed. Pre- and postoperative cognitive data were available on 86 patients. Predictors of seizure and cognitive outcomes were identified using Cox-proportional hazard modeling followed by treatment-specific model reduction according to Akaike information criterion, and built into an online risk calculator.
Seizures recurred in 40% within one postoperative year, and in 63% within six postoperative years. Male gender (P=.03), longer epilepsy duration (P<.01), normal MRI (P=.04), invasive evaluation (P=.02), and acute postoperative seizures (P<.01) were ass the hippocampus, only partially shields patients from postoperative cognitive deficits. Risk calculators are provided to facilitate clinical counseling.
The extrapolated reference values procedure (E-Ref) was used to compare data from a single institution with the recently published reference value (RV) for concentric electrode jitter.
Data from voluntarily activated concentric needle jitter studies in the frontalis muscle were obtained using retrospective chart review. All measured signals were reviewed for acceptable quality. Cutoff values for increased jitter were calculated using E-Ref, and compared with the published RVs.
At total of 1501 apparent single-fiber action potential (ASFAP) pairs were reviewed; 1371 ASFAP pairs were determined to have acceptable quality. The cutoff value identified by E-Ref from all reviewed ASFAP pairs was 36 microseconds and the cutoff for acceptable pairs was 35 microseconds. Using either of these cutoff values (36 or 35 microseconds) did not result in a significant difference in percentage of jitter recordings considered normal when compared with the recently published RV (38 microseconds).
The single-institution jitter cutoff value obtained by E-Ref gives results that are not significantly different from the reported RV.
The single-institution jitter cutoff value obtained by E-Ref gives results that are not significantly different from the reported RV.
Intermittent claudication (IC) is a symptom of peripheral arterial disease (PAD) and is associated with high morbidity and mortality. Pentoxifylline, one of many drugs used to treat IC, acts by decreasing blood viscosity, improving erythrocyte flexibility, and promoting microcirculatory flow and tissue oxygen concentration. Many studies have evaluated the efficacy of pentoxifylline in treating people with PAD, but results of these studies are variable. This is the second update of a review first published in 2012.
To determine the efficacy of pentoxifylline in improving the walking capacity (i.e. pain-free walking distance and total (absolute, maximum) walking distance) of people with stable intermittent claudication, Fontaine stage II.
For this update, the Cochrane Vascular Information Specialist searched the Cochrane Vascular Specialised Register, CENTRAL, MEDLINE, Embase and CINAHL databases, and World Health Organization International Clinical Trials Registry Platform and ClinicalTrials.gov trials rifylline for people with IC Fontaine class II remains uncertain.
There is a lack of high-certainty evidence for the effects of pentoxifylline compared to placebo, or other treatments, for IC. There is low-certainty evidence that pentoxifylline may improve PFWD and TWD compared to placebo, but no evidence of a benefit to ABI or QoL (moderate-certainty evidence). Pentoxifylline was reported to be generally well tolerated (low-certainty evidence). Given the large degree of heterogeneity between the studies, the role of pentoxifylline for people with IC Fontaine class II remains uncertain.Approximately one-third of people living with epilepsy are unable to obtain seizure control with the currently marketed antiseizure medications (ASMs), creating a need for novel therapeutics with new mechanisms of action. Cenobamate (CBM) is a tetrazole alkyl carbamate derivative that received US Food and Drug Administration approval in 2019 for the treatment of adult partial onset (focal) seizures. Although CBM displayed impressive seizure reduction in clinical trials across all seizure types, including focal aware motor, focal impaired awareness, and focal to bilateral tonic-clonic seizures, the precise mechanism(s) through which CBM exerts its broad-spectrum antiseizure effects is not known. Experimental evidence suggests that CBM differentiates itself from other ASMs in that it appears to possess dual modes of action (MOAs); that is, it predominately blocks persistent sodium currents and increases both phasic and tonic γ-aminobutyric acid (GABA) inhibition. In this review, we analyze the preclinical efficacy of CBM alongside ASMs with similar MOAs to better understand the mechanism(s) through which CBM achieves such broad-spectrum seizure protection. CBM's preclinical performance in tests, including the mouse 6-Hz model of treatment-resistant seizures, the chemoconvulsant seizure models of generalized epilepsy, and the rat hippocampal kindling model of focal epilepsy, was distinct from other voltage-gated sodium channel blockers and GABAA modulators. This distinction, in light of its proposed mechanism(s) of action, provides insight into the impressive clinical efficacy of CBM in the adult patient with focal onset epilepsy. The results of this comparative reverse translational analysis suggest that CBM is a mechanistically distinct ASM that offers an important advancement in drug development for treatment of therapy-resistant epilepsy.The nuclear receptor Nur77 is expressed in a multitude of tissues, regulating cell differentiation and homeostasis. Dysregulation of Nur77 signaling is associated with cancer, cardiovascular disease, and disorders of the CNS. The role of Nur77 in T cells has been studied for almost 30 years now. There is a clear appreciation that Nur77 is crucial for apoptosis of self-reactive T cells. anti-PD-1 inhibitor However, the regulation and function of Nur77 in mature T cells remains largely unclear. In an exciting development, Nur77 has been recently demonstrated to impinge on cancer immunotherapy involving chimeric antigen receptor (CAR) T cells and tumor infiltrating lymphocytes (TILs). These studies indicated that Nur77 deficiency reduced T cell tolerance and exhaustion, thus raising the effectiveness of immune therapy in mice. Based on these novel insights, it may be proposed that regulation of Nur77 activity holds promise for innovative drug development in the field of cellular immunotherapy in cancer. In this review, we therefore summarize the role of Nur77 in T cell selection and maturation; and further develop the idea of targeting its activity in these cells as a potential strategy to augment current cancer immunotherapy treatments.
Homepage: https://www.selleckchem.com/products/nivolumab.html
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