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        Total knee arthroplasty in dialysis patients: a national in-patient sample-based study of perioperative complications

        ( Nikit Venishetty ),( Dane K. Wukich ),( Jack Beale ),( J. Riley Martinez ),( Michel Toutoungy ),( Varatharaj Mounasamy ),( Senthil Sambandam ) 대한슬관절학회 2023 대한슬관절학회지 Vol.35 No.-

        Background Chronic kidney disease (CKD) is a growing disease that affects millions of people in the USA every year. Many CKD patients progress to end-stage renal disease (ESRD), necessitating the use of hemodialysis to alleviate symptoms and manage kidney function. Furthermore, many of these patients have lower bone quality and experience more postoperative complications. However, there is currently limited information on hospitalization information and perioperative complications in this population following procedures such as total knee arthroplasty (TKA). The purpose of this study was to assess the patient characteristics, demographics, and prevalence of postoperative problems among dialysis patients who received TKA. Methods In this retrospective study, we used the Nationwide Inpatient Sample (NIS) data from 2016 to 2019 to analyze the incidence of perioperative complications, length of stay (LOS), and the cost of care (COC) among patients undergoing TKA who were categorized as dialysis patients, compared with those who were not. Propensity matching was conducted to consider associated factors that may influence perioperative complications. Results From 2016 to 2019, 558,371 patients underwent TKAs, according to the National In-Sample (NIS) database. Of those, 418 patients (0.1%) were in the dialysis group, while the remaining 557,953 patients were included in the control group. The mean age of the dialysis group was 65.4 ± 9.8 years, and the mean age in the control group was 66.7 ± 9.5 years (p = 0.006). After propensity matching, dialysis group patients had a higher risk of receiving blood transfusions [odds ratio (OR): 2; 95% confidence interval (CI): 1.2, 3.4] and a significantly larger COC in comparison to those in the control group (91,434.3 USD versus 71,943.6 USD, p < 0.001). In addition, dialysis patients had significantly higher discharges to another facility, as compared with the control group patients. Conclusions The dialysis group had a significantly higher cost of care, higher rates of requiring blood transfusion, and more cases of being discharged to another facility than non-dialysis patients. This data will help providers make informed decisions about patient care and resource allocation for dialysis patients undergoing TKA.

      • Activity of Pralsetinib Versus Selpercatinib in Patients with RET Fusionpositive Non-Small Cell Lung Cancer (NSCLC)

        ( Faiza Ahmed ),( Israr Khan ),( Nazma Hanif ),( Alaa Hamdan ),( Mohammad Ali Zaidi ),( Zeynep Yukselen ),( Umer Salman ),( Sakshi Mishra ),( Jack Michel ),( Muhammad Haris Khan ),( Andre Thompson ),( 대한결핵 및 호흡기학회 2021 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.129 No.-

        Background Pralsetinib and selpercatinib are anticancer drugs targeting RET fusions (oncogenic drivers) in non-small cell lung cancer (NSCLC). The US FDA approved both drugs in 2020 for the treatment of RET-fusion positive NSCLC. Methods We assessed the efficacy & safety of pralsetinib versus selpercatinib in RET fusion-positive NSCLC in two clinical trials: phase1/2 ARROW trial (n=354) and phase 1/2 LIBRETTO-001 trial (n=144). Results In patients who had previously received platinum-based therapy (n=105), Drilon et al., 2020 showed an overall response rate (ORR) of 64% (95% CI, 54-73) and a median duration of response (mDOR) of 17.5 months (95% CI, 12.0-NE) with selpercatinib in phase 1/2 LIBRETTO-001 trial. Furthermore, a complete response (CR) of 2%, partial response (PR) of 62%, stable disease (SD) of 29%, and median progression-free survival (mPFS) of 16.5 months ( 95% CI, 13.7 - NE) were reported. Treatment naive patients (n=39) demonstrated an ORR of 85% (95% CI, 70-94) and PR of 85%. The responses were determined by the independent review committee. Lee et al., 2019 (n=111) demonstrated a rapid lowering of RET circulating tumor DNA (ctDNA) in 81% of NSCLC patients with pralsetinib therapy. A phase 1/2 ARROW trial (n= 116) exhibited a median follow-up of 8.8 months in patients who received pralsetinib 400 mg daily. Additionally, ORR was 65%, CR 6%, disease control rate 93 (95% CI, 87 - 97), and resulted in overall tumor size reduction in 96% of patients. Refer to (Table 1) for further details. Conclusion Pralsetinib and Selpercatinib have shown promising anti-tumor activity and an acceptable safety profile in RET fusion-positive NSCLC. However, we cannot draw a firm conclusion regarding which one is better due to insufficient data. Clinical trials, including AcceleRET, are still ongoing, and data is pending. Further comparative studies are needed to derive meaningful survival outcomes.

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