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RISS 인기검색어
- 검색키워드
- 저자 : Dalsan You(유달산) (검색결과 4 건)
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Jang Ho Lee(이장호),Dalsan You(유달산),Sang-Do Lee(이상도),Yeon-Mok Oh(오연목),Jae Seung Lee(이재승) 대한비뇨기종양학회 2019 대한비뇨기종양학회지 Vol.17 No.3
Purpose: Although direct oral anticoagulants (DOACs) are recommended as an alternative to low-molecular weighted heparin for cancer-associated venous thromboembolism (VTE), there is no firm evidence on the efficacy and safety of DOACs in patients with urologic cancer. Therefore, we compared the efficacy and safety of rivaroxaban and dalteparin for treating cancer-associated VTE in urologic cancer. Materials and Methods: We reviewed the medical records of 124 eligible VTE patients with urologic cancers who were treated with dalteparin or rivaroxaban. The primary outcome was the composite event of clinically relevant bleeding or VTE recurrence. The secondary outcomes were VTE recurrence, clinically relevant bleeding events, and all-cause mortality. Results: During anticoagulation period, there was no significant difference in primary and secondary outcomes between the groups. In Cox proportional hazards model for composite events, although there was no statistical significance, rivaroxaban presented lower hazard ratio (HR) than dalteparin (HR, 0.472; 95% confidence interval [CI], 0.210-1.060; p=0.069 in univariate analysis; HR, 0.505; 95% CI, 0.206-1.234; p=0.134 in multivariate analysis). In clinically relevant bleeding events, there was no significance difference between rivaroxaban and dalteparin (HR, 0.568; 95% CI, 0.238-1.358; p=0.203 in univariate analysis; HR, 0.617; 95% CI, 0.232-1.636; p=0.331 in multivariate analysis). Conclusions: Rivaroxaban can be regarded as a valuable option for VTE in urologic cancer. Further prospective studies are warranted to prove the safety or efficacy of rivaroxaban for treating VTE in patients with urologic cancer.
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Utility of Urinalysis as a Follow-up Surveillance Tool in Nonmuscle Invasive Bladder Cancer
Minuk Park(박민욱),Bumjin Lim(임범진),Dalsan You(유달산),In Gab Jeong(정인갑),Cheryn Song(송채린),Bumsik Hong(홍범식),Choung-Soo Kim(김청수),Hanjong Ahn(안한종),Jun Hyuk Hong(홍준혁) 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.4
Purpose: To evaluate the association between microscopic hematuria (MH) detected by surveillance urinalysis and cancer recurrence in nonmuscle invasive bladder cancer (NMIBC) patients. Materials and Methods: A total of 1,082 NMIBC patients who underwent transurethral resection of bladder tumor (TURB) procedures at Asan Medical Center between January 2017 and December 2019 were included. We retrospectively reviewed the follow-up data for these cases including cystoscopy, urinalysis, and urine cytology. The association between urine testing and cancer recurrence was assessed by both univariable and multivariable logistic regression analysis. Results: The study patients had a median age of 68 years (interquartile range, 60–75 years) and comprised 898 men and 184 women. Among the 1,428 TURB procedures conducted in this series, 548 of the lesions (38.4%) were diagnosed as low-grade and 880 (61.6%) as high-grade cancers. A total of 3,309 follow-up cystoscopies were conducted during the study period and were divided into high-grade (HG) (2,011 cases) and low-grade (LG) (1,298 cases) groups according to the latest TURB pathology. MH was found to have a statistically significant association with NMIBC recurrence in both the LG (odds ratio [OR], 1.57; 95% confidence interval [CI], 1.107–2.223; p=0.011) and HG (OR, 1.90; 95% CI, 1.434–2.517; p<0.001) groups. Conclusions: Urinalysis during follow-up may provide important information on cancer recurrence in NMIBC patients.
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Risk Factors Leading to Radical Cystectomy in Patients Who Had Undergone Nephroureterectomy
Janghui Lee(이장희),Bumjin Lim(임범진),Dalsan You(유달산),In Gab Jeong(정인갑),Cheryn Song(송채린),Jun Hyuk Hong(홍준혁),Choung-Soo Kim(김청수),Hanjong Ahn(안한종),Bumsik Hong(홍범식) 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.4
Purpose: To identify the risk factors leading to radical cystectomy in patients who had undergone nephroureterectomy (NUx). Materials and Methods: We retrospectively reviewed the medical records of patients with upper tract urothelial carcinoma who underwent NUx during 2011–2019 and excluded patients with metastatic cancer. In total 646 patients were included in this study; of these, 532 had no previous bladder cancer history. Follow-up was performed every 3 months for 2 years after NUx was administered, and recurrence was confirmed using cystoscopy, urine cytology, computed tomography, and chest radiography. Bladder recurrence was confirmed through biopsy, urine cytology, or radiologic examination. Univariate and multivariate Cox regression analyzes were performed for statistical analysis of risk factors leading to radical cystectomy in patients undergoing NUx. Results: Lymphovascular invasion (LVI) (hazard ratio [HR], 4.728; 95% confidence interval [CI], 1.463–15.570; p=0.011), previous transurethral resection of bladder tumor history (HR, 3.825; 95% CI, 1.164–12.571; p=0.027), and intravesical recurrence (IVR) within 6 months (HR, 3.733; 95% CI, 1.091–12.778; p=0.036) in patients undergoing NUx are predictors of radical cystectomy implementation. In a multivariate analysis of patients without bladder cancer history, bladder recurrence was identified as a predictor of radical cystectomy implementation, if it occurred within 6 months of NUx (HR, 8.608; 95% CI, 1.545–47.976; p=0.014). Conclusions: LVI and IVR within 6 months and previous bladder cancer history are factors that can predict the need for radical cystectomy after NUx. Even in patients without bladder cancer history, early bladder recurrence within 6 months is a major predictor of radical cystectomy.
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Se Young Choi(최세영),Ho Heon Kim(김호헌),Bumjin Lim(임범진),Jong Won Lee(이종원),Young Seok Kim(김영석),Jeong Kon Kim(김정곤),Jae Lyun Lee(이재련),Yong Mee Cho(조영미),Dalsan You(유달산),In Gab Jeong(정인갑),Cheryn Song(송채린),Jun 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.4
Purpose: To construct a urologic cancer database using a standardized, reproducible method, and to assess preliminary characteristics of this cohort. Materials and Methods: Patients with prostate, bladder, and kidney cancers who were enrolled with diagnostic codes in the electronic medical record (EMR) at Asan Medical Center from 2007–2016 were included. Research Electronic Data Capture (REDCap) was used to design the Asan Medical Center-Urologic Cancer Database (AMC-UCD). The process included developing a data dictionary, applying branching logic, mapping clinical data warehouse structures, alpha testing, clinical record summary testing, creating “standards of procedure,” importing data, and entering data. Descriptive statistics were used to identify rates of surgeries and numbers of patients. Results: Clinical variables (n=407) were selected to develop a data dictionary from REDCap. In total, 20,198 urologic cancer patients visited our institution from 2007–2016 (bladder cancer, 4,616; kidney cancer, 5,750; prostate cancer, 10,330). The overall numbers of patients and surgeries increased over time, with robotic surgeries rapidly growing over a decade. The most common treatment for urologic cancer was surgery, followed by chemotherapy and radiation therapy. Conclusions: Using a standardized method, the AMC-UCD fosters multidisciplinary research. This constructed database provides access to clinical statistics to effectively assist research. Preliminary data should be refined through EMR chart review. The successful organization of data from 2007–2016 provides a framework for future periods of investigation and prospective models.
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