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Objective To estimate the increase in mortality associated with the SARS-CoV-2 coronavirus pandemic in the autonomous community of Castilla y León (Spain). Method Ecological study based on population and death data for the months of March 2016 to 2020 in Castilla y León. The general and provincial standardized rates, the relative risks of the year 2020 with respect to previous years and the risks adjusted by sex, periods and province, using Poisson regression, were calculated. Trend analysis was performed using joinpoint linear regression. Results An increase in mortality was observed in March 2020 with respect to previous years, with an increase of 39% for men (relative risk [RR] 1.39; 95% confidence interval [95%CI] 1.32-1.47) and 28% for women (RR 1.28; 95%CI 1.21-1.35). The model predicts excess mortality of 775 deaths. In the trend analysis there is a significant turning point in 2019 in men, globally and for almost all provinces. The increase in mortality is general, although heterogeneous by sex, age group and province. ISO-1 purchase Conclusions Although the observed increase in mortality cannot be totally attributed to the disease, it is the best estimate we have of the real impact on deaths directly or indirectly related to it. The number of declared deaths only reaches two thirds of the increase in mortality observed.Reports on COVID-19 from the Spanish Health Ministry are valuable, but incomplete, with the perverse effect that the susceptibility to COVID-19 by sex is unclear. Prevalence of COVID-19 by sexes differs between countries. The trend in Spain shows an unequal pattern, initially more frequent in men, but women outnumbered them from March 31, after two weeks lockdown. Infections are more frequent in women than in men in close contact with probable/confirmed COVID-19 cases. Consistent with deaths in men, they are hospitalized more frequently than women Significant gender differences in signs/symptoms can drive this pattern, already observed in other pathologies. In late April, excess mortality is the same in women (67%) than in men (66%). But, lack of exhaustive information on deaths from COVID-19 in non-hospitalized patients may contribute to lower notification of deaths in women. Invisibility of data by sex and gender is probably affecting negatively women with COVID -19 more than men.Published estimates of weight regain (WR) after bariatric surgery vary greatly. Understanding the sources of variability in the literature and clarifying the magnitude of WR after Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) are critical for informing expectations and planning interventions. A literature search through January 2019 yielded 15 English-language studies that reported WR in at least 30 participants, not selected based on weight loss or WR, at least 3 years after primary RYGB (n = 11) or SG (n = 5). Median follow-up was 5.0 (range, 3.2-10.0) years. Median sample size was 62 (range, 33-464). Samples represented a median of 54.3% (range, 10.7%-100%) of eligible participants. Nadir weight was determined by serial research assessments (n = 1), medical records (n = 7), participant recall (n = 4), or an undisclosed method (n = 4). Three continuous and 8 binary WR measures (the latter, based on various thresholds for clinically meaningful WR) were reported. To enable comparison across studies, the percentage difference in WR in each study versus a reference sample (n = 1433 RYGB), matched on time since surgery and WR measure, was calculated. Median WR in the reference sample increased from 8.2 (25th-75th percentile 0-19.5) to 23.8 (25th-75th percentile 9.0-33.9) percent of maximum weight lost, 3 to 6 years post RYGB surgery. Studies of RYGB versus SG, with larger versus smaller samples, with higher versus lower participation rates, that determined nadir weight via participant recall versus medical records, and reported continuous versus binary WR measures tended to have WR values closer to the reference sample and each other. Variation in WR estimates was explained by heterogeneity in WR measures, timing of assessment, surgical procedure, and study design characteristics. The best estimate of WR after RYGB likely comes from the large reference sample. WR after SG versus RYGB appears higher. However, additional high-quality studies with uniform reporting of WR by surgical procedure are needed.Trans-territory perforator flaps are commonly used to reconstruct large defects of the soft tissues. The distal portion of the flap often becomes necrotic, however, as a result of the jeopardised vasculature of choke zone II. The trophic and vascular regenerative properties of bone marrow mesenchymal stem cells (BMSC) seemed to be a promising approach to prevent flaps becoming ischaemic. The purpose of our study is to evaluate the effects of BMSC on the survival of the three-territory perforator flap. The flap model was created based on the deep circumflex iliac vessel in rats. Eighteen rats were distributed, at random, into three groups. Immediately after the flaps were placed, groups were respectively given a single panniculus carnosus injection at choke zone II of either 1×105 (BMSCslow), 1×106 (BMSCshig) BMSC, or phosphate-buffered saline (PBS). On postoperative day seven, we assessed the gross view of the flap and survival. We also evaluated microvessels by histological examination and angiogenesis-related gene expression by quantitative real-time polymerase chain reaction. After high dosage of BMSC, the flap survival rate, diameter and density of microvessels, vascular endothelial growth factor (VEGF) and platelet endothelial cell adhesion molecule-1 (PECAM-1/CD31) levels were significantly higher in the BMSC treatment group than the control group. We therefore confirmed the positive effects of BMSC on the survival of multi-territory perforator flaps.The aim of this study was to evaluate the postoperative and follow-up accuracy of using an intermediate occlusal splint between articulator model surgery (AMS) and virtual surgical planning (VSP) in double-jaw operations. Thirty skeletal class III patients were randomly allocated to have AMS or VSP. In the AMS group surgical planning was done through conventional articulator model surgery, and an intermediate occlusal splint made of acrylic resin was used. In the VSP group the surgical simulation was done virtually, and the same intermediate splint was used in the software and then fabricated using rapid prototyping technology. Preoperatively, one week postoperatively, and 1∼2-years later we obtained follow-up cone-beam computed tomographic (CT) images of each patient. Absolute linear differences between planned and actual outcomes, as well as planned and follow-up outcomes, were evaluated. There was no significant difference in either postoperative accuracy or follow-up accuracy between the methods, and there was no significant difference in the rate of skeletal relapse.

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