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Different atrial tachyarrhythmias (AT) may be seen during follow-up after atrial fibrillation ablation. Evaluate and analyze characteristics and management of AT following first atrial fibrillation (AF) ablation with high-power short-duration (HPSD) comparing to low-power long-duration (LPLD) and its impact on late outcome. Observational, retrospective study, 144 patients submitted to HPSD and LPLD ablation. HPSD with 71 and LPLD with 73 patients and no major clinical differences between the two groups. AT occurred in 60 patients (41.67%) in entire follow-up. HPSD 22 patients had AT 13 during blanking period (BP) and 9 after that. LPLD 38 patients with AT, 14 during BP and 24 after that. During BP, HPSD showed high rate of atrial flutter/tachycardia in 9 (69.23) of 13 and LPLD 4 (28.57%) of 14 patients. At 12months' follow-up, 62 (87.32%) of 71 HPSD patients were in sinus rhythm comparing to 49 (67.12%) of 73 patients in LPLD. HPSD ablation produced higher rates of early than late recurrence comparing to LPLD. Regular tachyarrhythmias were most common arrhythmia during BP with HPSD ablation and AF in LPLD. HPSD compared to LPLD showed a superiority in maintaining sinus rhythm at 12months. HPSD ablation produced higher rates of early than late recurrence comparing to LPLD. Regular tachyarrhythmias were most common arrhythmia during BP with HPSD ablation and AF in LPLD. HPSD compared to LPLD showed a superiority in maintaining sinus rhythm at 12 months. Breast cancer treatment has been associated with vascular pathology. It is unclear if such treatment is also associated with long-term cerebrovascular changes. We studied the association between radiotherapy and chemotherapy with carotid pathology and brain perfusion in breast cancer survivors. We included 173 breast cancer survivors exposed to radiotherapy and chemotherapy, assessed ± 21.2years after cancer diagnosis, and 346 age-matched cancer-free women (12) selected from the population-based Rotterdam Study. Outcome measures were carotid plaque score, intima-media thickness (IMT), total cerebral blood flow (tCBF), and brain perfusion. Additionally, we investigated the association between inclusion of the carotid artery in the radiation field (no/small/large part), tumor location, and these outcome measures within cancer survivors. Cancer survivors had lower tCBF (-19.6ml/min, 95%CI -37.3;-1.9) and brain perfusion (-2.5ml/min per 100ml, 95%CI -4.3;-0.7) than cancer-free women. No statistically signifies should confirm if these cerebrovascular changes underlie the frequently observed cognitive problems in cancer survivors.Diphenyl diselenide [(PhSe)2] is a pleiotropic pharmacological agent, but it has low aqueous solubility. The nanoencapsulation of (PhSe)2 allowed the preparation of an aqueous formulation as well as potentiated its in vitro antitumor effect and the effectiveness in a preclinical model of glioblastoma when administered by the intragastric route. Thus, aiming at maximizing the therapeutic potential of (PhSe)2, the present study designed a pegylated-formulation intending to intravenous administration of the (PhSe)2 as a new approach for glioma therapy. The poly(Ɛ-caprolactone) nanocapsules containing (PhSe)2 were physically coated with polyethyleneglycol (PEG) using the preformed polymer interfacial deposition technique and evaluated through physicochemical, morphological, spectroscopic, and thermal characteristics. Hemocompatibility was determined by the in vitro hemolysis test and cytotoxicity assays were performed in astrocytes and glioma C6 cells (10-100 μM). The pegylated-nanocapsules had an average diameter of 218 ± 25 nm, polydispersity index of 0.164 ± 0.046, zeta potential of - 8.1 ± 1.6 mV, pH 6.0 ± 0.09, (PhSe)2 content of 102.00 ± 3.57%, and encapsulation efficiency around 98%. Besides, the (PhSe)2 pegylated-nanocapsules were spherical, presented absence of chemical interaction among the constituents, and showed higher thermal stability than the non-encapsulated materials. PEG-coated nanocapsules did not cause hemolytic effect while formulations without PEG induced a hemolysis rate above 10%. Moreover, pegylated-nanocapsules had superior in vitro antiglioma effect in comparison to free compound (IC50 24.10 μM and 74.83 μM, respectively). Therefore, the (PhSe)2-loaded pegylated-nanocapsule suspensions can be considered a hemocompatible formulation for the glioma treatment by the intravenous route. Little is known about time trends in the prognosis of gastric cancer (GC), since the introduction of new chemotherapeutic agents. https://www.selleckchem.com/products/sndx-5613.html This study aimed to analyze how the increased number of available chemotherapeutic options affected the prognosis of GC and which patient types benefited within in a large population. From a population-based cancer registry in Japan, 35,751 cases of GC were identified. Of these, 8214 cases were stage 4. The time trend for 3-year survival in stage 4 GC according to patient characteristics (age and tumor location) was estimated in relation to the introduction of new anticancer drugs. Multiple imputation was performed for sensitivity analysis to strengthen the missing data. In addition, we estimated the 5-year survival rate for distal-GC (DGC) and proximal-GC (PGC), and the hazard ratio (HR) was estimated by Cox proportional hazard model. Improvement of overall survival was accelerated in stage 4 cases over time. The prognosis was improved from 11.4% to 13.2%, subsequent to the approval of several oncologic drugs since 2009. Younger patients were more likely to have improved survival rates in response to the increase in chemotherapy options (< 60-year-old, 5.4% 60-70, 2.2%; 70-80, 0.3%) from 2007 to 2015. The HR for DGC vs. PGC was 1.11 (95% CI 1.08-1.15), and PGC showed a higher rate of improved outcomes (2.4% vs. 0.6%). This analysis showed that improvement in the GC survival rate was accelerated by the introduction of new chemotherapeutic strategies and it was most evident among younger patients and in patients with PGC. This analysis showed that improvement in the GC survival rate was accelerated by the introduction of new chemotherapeutic strategies and it was most evident among younger patients and in patients with PGC.
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