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Biomarkers in numerous Asthma Phenotypes.
5%). A change in diagnosis following UDS was seen in 40.4% of the entire cohort including 53.1% of patients with MUI and 48.8% of those with SUI compared to 8.3% of those with OAB. A change in treatment was seen in 32.6% of patients including 54.9% with MUI, 41.7% with SUI, and 10% with OAB. When compared to patients with SUI on adjusted multivariate logistic regression, those with OAB were less likely to have a change in either diagnosis (OR 0.06 (0.01-0.31)) or management (OR 0.15 (0.04-0.62)). Conclusions Diagnosis and management are unlikely to change after UDS in patients presenting with uncomplicated OAB. Conversely, UDS provided important diagnostic information that often changed management in those presenting with MUI and SUI. Our results suggest that UDS may be omitted in patients with uncomplicated refractory OAB in favor of earlier initiation of third line therapies.Introduction To investigate the relationship between socioeconomic factors, specifically insurance status, and kidney stones using a nationally representative cohort. Materials and methods A retrospective secondary data analysis of National Health and Nutrition Examination Survey (NHANES) data from 2007 to 2014 was performed. Using univariate statistics and multiple logistic regressions, we examined the relationship between socioeconomic factors and kidney stone history. Results The weighted national prevalence of nephrolithiasis between ages 20 and 64 was 7.7% of a population of over 95.3 million. Fifty-three percent of the total population was female. The mean age was 42 years and the mean body mass index (BMI) was 28.7. The prevalence of nephrolithiasis was higher among individuals who had state-assisted insurance compared to those with private insurance (10.3% versus 7.3%, p = 0.005). On univariate regression analysis, having a college education was protective against stones compared to having less than a high-school degree (OR 0.62, 95% CI 0.43-0.84; p = 0.009). Income was also significantly associated with kidney stone prevalence. After adjusting for race, BMI, gender, water intake, income, and education level through multivariable analysis, having private insurance was associated with lower odds of developing nephrolithiasis compared to having state-assisted insurance (OR 0.62, 95% CI 0.44-0.89; p = 0.01). Conclusions Individuals with state-assisted insurance were found to have significantly increased odds of a kidney stone compared to those with private insurance. Urologists, primary care, and policy makers should recognize this disparity exists and target opportunities to elucidate mechanisms and provide intervention for this high-risk group.Introduction The development of renal stones in space would not only impact the health of an astronaut but could critically affect the success of the mission. Materials and methods We reviewed the medical literature, texts and multimedia sources regarding the careers of Dr. Abraham Cockett and Dr. Peggy Whitson and their contributions to the study of urolithiasis in space, as well as the studies in between both of their careers that helped to further characterize the risks of stone formation in space. Results Dr. Abraham T. K. Cockett (1928-2011) was Professor and Chair of the Department of Urology at the University of Rochester and served as AUA President (1994-1995). In 1962, Dr. Cockett was one of the first to raise a concern regarding astronauts potentially forming renal stones in space and suggested multiple prophylactic measures to prevent stone formation. Many of the early studies in this field used immobilized patients as a surrogate to a micro-gravity environment to mimic the bone demineralization that could occur in space in order to measure changes in urinary parameters. Dr. Peggy A. Acetalax solubility dmso Whitson (1960-), is a biochemistry researcher and former NASA astronaut. She carried out multiple studies examining renal stone risk during short term space shuttle flights and later during long-duration Shuttle-Mir missions. Conclusion From the early vision of Dr. Cockett to the astronaut studies of Dr. Whitson, we have a better understanding of the risks of urolithiasis in space, resulting in preventive measures for urolithiasis in future long duration space exploration.Introduction To evaluate flexible pediatric cystoscopy (FPC) as an adjunctive procedure to retrograde urethrography (RUG) and voiding cystourethrography (VCUG) in the preoperative setting for male urethral strictures. Since imaging interpretation of stricture length and caliber can be difficult at times, we sought to evaluate diagnostic utility of FPC to predict reconstructive surgery. Materials and methods Reconstructive urology databases at Washington University and Columbia University were queried from 2010-2017. A total of 185 anterior urethroplasty patients met inclusion criteria. All surgeries were performed by a single surgeon. There were 102 patients that underwent preoperative FPC (7.5 Fr in diameter). Surgical urethroplasty techniques employed were ventral or dorsal onlay buccal mucosa graft, fasciocutaneous penile skin flap, excision and primary anastomosis or augmented anastomotic. We analyzed the RUG, VCUG, FPC, and intraoperative details of the urethral strictures by univariate and multivariate statistics. Results Mean patient age was 47.2 (+/-16.5) years. Of the patients who underwent FPC, 42.2% were narrower than the FPC, and 57.8% were wider. Intraoperative stricture length better correlated with FPC findings compared to RUG/ VCUG (r = 0.834 versus r = 0.766) (p less then 0.001). Moreover, inability to pass the FPC through the stricture correlated with the need to perform urethral stricture excision or complete reconstruction of the urethral plate (p = 0.005), rather than onlay urethroplasty. Conclusion Preoperative FPC is a useful adjunctive tool in the evaluation of urethral strictures. FPC facilitates stricture assessment by accurately correlating with intraoperative stricture length and predicting the need to excise or graft during reconstruction.Introduction The aim of this study was to evaluate the value of dynamic contrast enhanced (DCE) imaging in multi-parametric prostate MRI (mpMRI) for the detection and staging of prostate cancer in comparison with T2W and DWI images alone in biparametric MRI (bpMRI) in treatment naïve patients. Materials and methods One hundred consecutive patients who underwent a prostate MRI at our institution from June-August 2017, as well as a systematic ultrasound-guided prostate biopsy or prostatectomy, were included. Strictly following PIRADSv2, the MRI studies were independently interpreted by a body radiologist and a body-imaging fellow on two different occasions 8-10 weeks apart. Initially, with all mpMRI sequences and then without the DCE sequence (bpMRI). The readers were blinded to the clinical information. Ethics approval was obtained. Results One hundred treatment-naïve patients were included (median age 64, age range 48-81, mean PSA 10.3). There was almost perfect intra-observer agreement for mpMRI versus bpMRI for both readers [Cohen's Kappa (k) 0.
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