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Surgical treatment of spine and spinal cord diseases is one of important objectives in modern neurosurgery. Patient safety is a priority in spine and spinal cord surgery. Intraoperative imaging ensures efficacy and safe surgery with and without stabilization, preoperative marking, control of decompression and correct implant placement. Surgical C-arms and intraoperative cone-beam CT scanners are the most widespread in everyday practice. The latest achievement was intraoperative spiral computed tomography. C-arms and CT scanners with intraoperative navigation increase the efficiency and safety of surgical interventions. To evaluate the possibilities of dynamic preoperative C-methionine (MET) PET/CT in differential diagnosis of various types of brain gliomas in adults. The study included 74 patients aged 48±14 years with supratentorial gliomas Grade IV - glioblastoma (GB, =33), Grade III - anaplastic oligodendroglioma (AOD, =10) and anaplastic astrocytoma (AA, =12), Grade II - diffuse astrocytoma (DA, =13) and oligodendroglioma (OD, =6). https://www.selleckchem.com/peptide/box5.html All patients underwent standard MRI and dynamic MET PET/CT within 20 minutes after intravenous injection of radiopharmaceutical. Then, we compared MRI and PET/CT data and comprehensively analyzed the early stages of time-activity curve using 2 parameters the first pass peak (FPP) and the first peak of maximum uptake (Pmax). We have significantly distinguished high-grade tumors (GB and AA+AOD) and certain benign gliomas (DA and OD) ( <0.05). AUC was over 0.7 and 0.8 for FPP and Pmax in differential diagnosis of various gliomas, respectively. We found that difficulties in differential diagnosis of gliomas arise mainly if oligodendrogliomas are included in the control group. Dynamic PET/CT with analysis of FPP and Pmax increases specificity of differential diagnosis of various gliomas compared to standard static imaging. These data are valuable for choice of optimal treatment strategy, as well as fundamental research of metabolic processes and vascularization of various tumors. Dynamic PET/CT with analysis of FPP and Pmax increases specificity of differential diagnosis of various gliomas compared to standard static imaging. These data are valuable for choice of optimal treatment strategy, as well as fundamental research of metabolic processes and vascularization of various tumors. Robotic partial nephrectomy (RPN) in patients ≥75 years is certainly underused with concerns regarding surgical quality and a negligible impact on renal function. The aim of this study was to identify predictors of progression of chronic kidney disease for purely off-clamp (ocRPN) and on-clamp RPN (onRPN) in elderly patients on a multi-institutional series. A collaborative minimally-invasive renal surgery dataset was queried for "RPN" performed between July 2007 and March 2021 and "age≥75 years". A total of 205 patients matched the inclusion criteria. Descriptive analyses were used. Frequencies and proportions were reported for categorical variables while medians and interquartile ranges (IQR) were reported for continuous variables. Baseline, perioperative and functional data were compared between groups. New-onset of stages 3b,4,5 CKD in onRPN and ocRPN cohorts was computed by Kaplan-Meier analysis. Univariable and multivariable Cox regression analyses were performed to identify predictors of progressionPN. Creatinine elevation and changes in urinalyse parameters may be seen due to acute kidney injury during COVID-19. In the present study, we aimed to investigate the changes in urinalysis of COVID-19 patients with normal kidney function. The data of COVID-19 patients with normal renal functions were retrospectively analyzed. Urinalysis parameters of these patients were recorded. The patients were divided into three groups as mild, moderate and severe with respect to the clinical course of the disease. It was examined whether the urine analysis values in the groups were different from normal reference values and whether these values were different between the groups. In addition, possible relationship between the urinalysis parameters and the clinical severity of the disease was investigated. There are three groups; mild (n40), moderate (n38) and severe (n42). Mean age were significantly higher in the severe group, while gender distribution of the groups was similar. (p=0.033) (p=0.091) Creatinine values of all patients were normal. There were 6.7% glucose positivity, 13.4% protein positivity, 5.8% urobilinogen positivity and 7.5% ketone positivity in urine dipstick analysis and these changes were all significantly higher than the reference values. (p=0.008, p<0.0001, p=0.016, p=0.016) Pyuria and hematuria were detected in 8.3% and 9.2%, respectively. The urinalysis parameters and urine microscopy findings were not affected by the severity of the disease. Glycosuria, proteinuria, pyuria and hematuria may occur during COVID-19 disease, regardless of comorbidity and renal dysfunction. However, these urine parameters were not correlated with the severity of the disease. Glycosuria, proteinuria, pyuria and hematuria may occur during COVID-19 disease, regardless of comorbidity and renal dysfunction. However, these urine parameters were not correlated with the severity of the disease. The highest in quality data in the literature which compared mini percutaneous nephrolithotripsy (mPCNL), retrograde intrarenal surgery (RIRS) and shock wave lithotripsy (SWL) for the management of lower pole stone (LPS) with a maximal diameter ≤20mm were investigated by means of systematic review (SR) and meta-analysis. A SR of the literature was conducted on PubMed®, Cochrane, SCOPUS® and EMBASE® in January 2020. The study complied with the PRISMA statement and recommendations of the EAU Guidelines office. Only randomized controlled trials (RCTs) comparing retrograde intrarenal surgery (RIRS), shock wave lithotripsy (SWL) and mini-percutaneous nephrolithotripsy (mPCNL) were selected for the meta-analysis. The endpoints were the efficacy of each modality, measured by stone-free rate (SFR), operative time and retreatment rate and the safety of each method, based on hospitalization time and complications. Subgroup analyses for stones with a maximal diameter <10mm and 10-20 mm were performed. Twenty-one RCTs were included in the meta-analysis.
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