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This study aimed to compare the quality of virtual low-keV monoenergetic images vs conventional images reconstructed from dual-layer spectral detector computed tomography (SDCT) for the detection of peritoneal implants of ovarian cancer.Fifty ovarian cancer patients who underwent abdominopelvic SDCT scans were included in this retrospective study. Virtual monoenergetic images at 40 (VMI40) and 50 keV (VMI50), and two conventional images were reconstructed using filtered back projection (FBP) and iterative model reconstruction (IMR) protocols. The mean attenuation of the peritoneal implant, signal-to-noise ratio (SNR), contrast-to-noise ratio relative to ascites (CNRA) and adjacent reference tissues (e.g., bowel wall, hepatic, or splenic parenchyma [CNRB]) were calculated and compared using paired t tests. Qualitative image analysis regarding overall image quality, image noise, image blurring, lesion conspicuity, was performed by two radiologists. A subgroup analysis according to the peritoneal implant region was also conducted.VMI40 yielded significantly higher mean attenuation (183.35) of SNR and CNR values (SNR 11.69, CNRA 7.39, CNRB 2.68), compared to VMI50, IR, and FBP images (P less then .001). The mean attenuation (129.65), SNR and CNR values (SNR 9.37, CNRA 5.72, CNRB 2.02) of VMI50 were also significantly higher than those of IR and FBP images (P less then .001). In the subgroup analysis, all values were significantly higher on VMI40 regardless of the peritoneal implant region (P less then .05). Protein Tyrosine Kinase inhibitor In both readers, overall image quality and image blurring showed highest score in VMI50, while image noise and lesion conspicuity showed best score in IMR and VMI40 respectively. Inter-reader agreements are moderate to almost perfect in every parameter.The low-keV VMIs improved both quantitative assessment and lesion conspicuity of peritoneal implants from ovarian cancer compared to conventional images.Background Although robot-assisted distal pancreatectomy (RADP) has been successfully performed since 2003, its advantages over open distal pancreatectomy (ODP) are still uncertain. The objective of this meta-analysis is to compare the clinical and oncologic safety and efficacy of RADP vs ODP. Methods Multiple databases (PubMed, Medline, EMBASE, Web of Science, and Cochrane Library) were searched to identify studies that compare the outcomes of RADP and ODP (up to February, 2020). Fixed and random effects models were applied according to different conditions. Results A total of 7 studies from high-volume robotic surgery centers comprising 2264 patients were included finally. Compared with ODP, RADP was associated with lower estimated blood loss, lower blood transfusion rate, lower postoperative mortality rate, and shorter length of hospital stay. No significant difference was observed in operating time, the number of lymph nodes harvested, positive margin rate, spleen preservation rate, rate of severe morbidity, incidence of postoperative pancreatic fistula, and severe postoperative pancreatic fistula (grade B and C) between the 2 groups. Conclusions With regard to perioperative outcomes, RADP is a safe and feasible alternative to ODP in centers with expertise in robotic surgery. However, the evidence is limited and more randomized controlled trials are needed to further clearly define this role.In France, one in eight patients with acute ST-segment elevation myocardial infarction (STEMI) is admitted direct to an emergency department (ED) in a hospital without percutaneous coronary intervention (PCI) facilities. Guidelines recommend transfer to a PCI center, with a door-in to door-out (DI-DO) time of ≤30 min. We report DI-DO times and identify the main factors affecting them.RESURCOR is a French Northern Alps registry of patients with STEMI of less then 12 h duration. We focused on patients admitted direct, without prehospital medical care, to EDs in 19 non-PCI centers from 2012 to 2014. We divided DI-DO time into diagnostic time (ED admission to call for transfer) and logistical time (call for transfer to ED discharge).Among 2007 patients, 240 were admitted direct to EDs in non-PCI centers; 57.9% were treated with primary angioplasty and 32.9% received thrombolysis. Median (interquartile range) DI-DO time was 92.5 (67-143) min, with a diagnostic time of 41 (23-74) min and a logistical time of 47.5 (32-69) min. Five patients (2.1%) had a DI-DO time ≤30 min. Five variables were independently associated with a shorter DI-DO time local transfer (mobile intensive care unit [MICU] team available at referring ED) (P = .017) or transfer by air ambulance (P = .004); shorter distance from referring ED to PCI center (P less then .001); shorter time from symptom onset to ED admission (P = .002); thrombolysis (P = .006); and extended myocardial infarction (P = .007).In view of longer-than-recommended DI-DO times, efforts are required to promote urgent local transfer and use of thrombolysis.Background This study will aim to appraise the efficacy and safety of pirarubicin for the treatment of patients with nonmuscle invasive bladder cancer (NMIBC). Methods We will perform a comprehensive literature search in MEDLINE, EMBASE, Cochrane Library, Scopus, PsycINFO, Web of Science, Allied and Complementary Medicine Database, Chinese Biomedical Literature Database, and China National Knowledge Infrastructure from their beginning to the February 29, 2020. All randomized controlled trials of pirarubicin for NMIBC will be included regardless limitations related to the language and publication time. Two researchers will independently select studies from searched records, extract data from included randomized controlled trials, and assess study quality using Cochrane risk of bias tool. Any differences between them will be solved with the help of another researcher. RevMan 5.3 software will be utilized for statistical analysis. Results This study will provide a synthesis of current evidence to investigate the efficacy and safety of pirarubicin for NMIBC using overall survival, progression-free survival, recurrence-free survival, quality of, rates of recurrence, and adverse events. Conclusion This study will explore whether or not pirarubicin can be used as an effective and safety treatment for patients with NMIBC. Registration number INPLASY202040113.Background Myopia is a common visual disorder which has become a public health problem worldwide. Myopia and high myopia are substantial risk factors for severe visual impairment and other serious eye diseases. Acupuncture used to prevent and control myopia is a common practice in China, but it is controversial in other countries. This study aims to evaluate the efficacy and safety of acupuncture in delaying the progression of myopia in children and adolescents through systematic evaluation. Methods and analysis The following electronic databases will be searched from inception to November 2019 regardless of publication status and language Medline, EMBASE, Web of Science, the Cochrane Library, PubMed, China National Knowledge Infrastructure (CNKI), China Biology Medicine (CBM), Chinese Scientific Journal Database (VIP), Wanfang Database, Chinese Biomedical Literature Database (CBLD), Chinese Science and Technology Periodical Database (CSTPD). RCT registration websites, including http//www.ClinicalTrials.gov and http//www.chictr.org.cn, will also be searched. Review Manager V.5.3 will be used to analysis the statistic. Two reviewers (ZY and XW) will independently select studies, extract and code the data, assess risk of bias of the included studies, evaluate the quality of evidence for outcomes. Results This study will provide a rational synthesis of current evidences for acupuncture to delay the progression for myopia in children and adolescents. Conclusion The conclusion of this study will provide evidence for evaluating the efficacy and safety of acupuncture to delay the progression for myopia in children and adolescents.Background This study will explore the effect of Tai Chi on psychological disorder (PD) in college students (CS). Methods A comprehensive literature search of relevant randomized controlled trials will be carried out in electronic databases from inception to the February 29, 2020 PUBMED, EMBASE, Cochrane Library, Web of Science, Chinese Biomedical Literature Database, and China National Knowledge Infrastructure. There are not limitations related to the language and publication time. Study quality will be assessed by Cochrane risk of bias tool, and evidence quality will be appraised by the grading of recommendations assessment, development, and evaluation approach. RevMan 5.3 software will be exploited to perform statistical analysis. Results The protocol of this proposed study will investigate the effect of Tai Chi on PD in CS. Conclusion The findings of this study will provide helpful evidence for clinical practice, and health related policy maker to develop a better intervention plan for PD in CS. Study registration number INPLASY202040140.Tirofiban is widely used in patients with acute ST elevation myocardial infarction (STEMI) underwent percutaneous coronary intervention (PCI). This drug can efficiently improve myocardial perfusion and cardiac function, but its dose still remains controversial. We here investigated the effects of different dose of tirofiban on myocardial reperfusion and heart function in patients with STEMI. A total of 312 STEMI patients who underwent PCI in our hospital from March 2017 to March 2018 were enrolled and randomly divided into control group (75 cases, 0 μg/kg), low-dose group (79 cases, 5 μg/kg), medium-dose group (81 cases, 10 μg/kg) and high-dose group (77 cases, 20 μg/kg). The infarction-targeted artery flow grade evaluated by thrombolysis in myocardial infarction (TIMI), corrected TIMI frame count (CTFC) and sum-ST-segment resolution were recorded. At Day 7 and Day 30 after PCI, the left ventricular ejection fraction (LVEF), left ventricular end diastolic diameter, left ventricular end systolic diameter, majomyocardial ischemia-reperfusion injury and promote the recovery of cardiac function in STEMI patients underwent PCI. Although the high-dose can enhance the clinical effects, it also increased the hemorrhagic risk. Therefore, the rational dosage application of tirofiban become much indispensable in view of patient's conditions and hemorrhagic risk, and a medium dose of 10 μg/kg may be appropriate for patients without high hemorrhagic risk.Background Previous studies have reported that roux-en Y gastric bypass surgery (RYGBS) can benefit patients with type 2 diabetes mellitus (T2DM). However, their conclusions are still inconsistent. Thus, this study will aim to assess the effect of RYGBS for patients with T2DM. Methods In this study, the electronic databases of MEDLINE, EMBASE, CENTRAL, CINAHL, AMED, and CNKI from inceptions to the present without any limitations to language and publication status. All randomized controlled trials on assessing the effect of RYGBS for patients with T2DM will be included in this study. Two independent authors will carry out study search and selection according to the previous designed inclusion and exclusion criteria. At the same time, 2 authors will independently evaluate the risk of bias assessment by Cochrane risk of bias tool. Any disagreements between 2 authors will be solved by a third author through discussion. RevMan 5.3 software will be utilized for statistical analysis. Results This study will summarize the most recent studies and will provide a deeper understanding about using the effect of RYGBS for patients with T2DM.
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