1.Comparative analysis of recurrence rates between intravesical gemcitabine and bacillus Calmette–Guérin induction therapy following transurethral resection of bladder tumors in patients with intermediate- and high-risk bladder cancer: A retrospective multicenter study
Joongwon CHOI ; Kyung Hwan KIM ; Hyung Suk KIM ; Hyun Sik YOON ; Jung Hoon KIM ; Jin Wook KIM ; Yong Seong LEE ; Se Young CHOI ; In Ho CHANG ; Young Hwii KO ; Wan SONG ; Byong Chang JEONG ; Jong Kil NAM
Investigative and Clinical Urology 2024;65(3):248-255
Purpose:
This study investigated the efficacy of intravesical gemcitabine as an alternative to bacillus Calmette–Guérin (BCG) therapy.
Materials and Methods:
Data were retrospectively collected across seven institutions from February 1999 to May 2023. Inclusion criteria included patients with intermediate- or high-risk non-muscle invasive bladder cancer (NMIBC) who underwent transurethral resection of bladder tumors (TURBT) and received at least four sessions of intravesical gemcitabine or BCG induction therapy. Patient characteristics, complete remission (CR), occurrence, and progression rates were compared.
Results:
In total, 149 patients were included in this study (gemcitabine, 63; BCG, 86). No differences were apparent between the two groups in baseline characteristics, except for the follow-up period (gemcitabine, 9.2±5.9 months vs. BCG, 43.9±41.4 months, p<0.001). There were no consistent significant differences observed between the two groups in the 3-month (gemcitabine, 98.4% vs. BCG, 95.3%; p=0.848), 6-month (94.9% vs. 90.0%, respectively; p=0.793) and 1-year CR rates (84.2% vs. 83.3%, respectively;p=0.950). Also, there was no significant statistical difference in progression-free survival between the two groups (p=0.953). The occurrence rates of adverse events were similar between the groups (22.2% vs. 22.1%; p=0.989); however, the rate of Clavien– Dindo grade 2 or higher was significantly higher in the BCG group (1.6% vs. 16.3%, respectively; p<0.001).
Conclusions
Intravesical gemcitabine demonstrated efficacy comparable to BCG therapy for the first year in patients with intermediate- and high-risk NMIBC. However, long-term follow-up studies are warranted.
2.TNM-Based Head-to-Head Comparison of Urachal Carcinoma and Urothelial Bladder Cancer: Stage-Matched Analysis of a Large Multicenter National Cohort
Sang Hun SONG ; Jaewon LEE ; Young Hwii KO ; Jong Wook KIM ; Seung Il JUNG ; Seok Ho KANG ; Jinsung PARK ; Ho Kyung SEO ; Hyung Joon KIM ; Byong Chang JEONG ; Tae-Hwan KIM ; Se Young CHOI ; Jong Kil NAM ; Ja Yoon KU ; Kwan Joong JOO ; Won Sik JANG ; Young Eun YOON ; Seok Joong YUN ; Sung-Hoo HONG ; Jong Jin OH
Cancer Research and Treatment 2023;55(4):1337-1345
Purpose:
Outcome analysis of urachal cancer (UraC) is limited due to the scarcity of cases and different staging methods compared to urothelial bladder cancer (UroBC). We attempted to assess survival outcomes of UraC and compare to UroBC after stage-matched analyses.
Materials and Methods:
Total 203 UraC patients from a multicenter database and 373 UroBC patients in single institution from 2000 to 2018 were enrolled (median follow-up, 32 months). Sheldon stage conversion to corresponding TNM staging for UraC was conducted for head-to-head comparison to UroBC. Perioperative clinical variables and pathological results were recorded. Stage-matched analyses for survival by stage were conducted.
Results:
UraC patients were younger (mean age, 54 vs. 67 years; p < 0.001), with 163 patients (80.3%) receiving partial cystectomy and 23 patients (11.3%) radical cystectomy. UraC was more likely to harbor ≥ pT3a tumors (78.8% vs. 41.8%). While 5-year recurrence-free survival, cancer-specific survival (CSS) and overall survival were comparable between two groups (63.4%, 67%, and 62.1% in UraC and 61.5%, 75.9%, and 67.8% in UroBC, respectively), generally favorable prognosis for UraC in lower stages (pT1-2) but unfavorable outcomes in higher stages (pT4) compared to UroBC was observed, although only 5-year CSS in ≥ pT4 showed statistical significance (p=0.028). Body mass index (hazard ratio [HR], 0.929), diabetes mellitus (HR, 1.921), pathologic T category (HR, 3.846), and lymphovascular invasion (HR, 1.993) were predictors of CSS for all patients.
Conclusion
Despite differing histology, UraC has comparable prognosis to UroBC with relatively favorable outcome in low stages but worse prognosis in higher stages. The presented system may be useful for future grading and risk stratification of UraC.
3.Availability of the Optic Nerve Sheath Diameter Measured by Using Facial CT as a Predictive Factor for Traumatic Brain Injury in the Emergency Department.
Ho Jung CHOI ; Hyung Jun MOON ; Jung Won LEE ; Jong Ho KIM ; Dong Kil JEONG ; Ki Hwan KIM ; Young Ki KIM ; Min Jung KO ; Jae Hyung CHOI
Journal of the Korean Society of Emergency Medicine 2015;26(1):1-8
PURPOSE: Traumatic brain injury (TBI) occurs frequently in patients with facial injuries. In patients with facial injuries without neurologic deficit, it is a challenging decision for emergency physicians whether brain computed tomography (CT) is necessary or not. Our objective is to evaluate the availability of optic nerve sheath diameter (ONSD) measured by facial CT in predicting TBI. METHODS: From January, 2010, to December, 2012, we conducted a retrospective study of patients with head or facial injuries who underwent both facial CT and brain CT simultaneously in the emergency department. Patients with obvious orbital trauma or ocular disease were excluded. We analyzed correlation between ONSD measured by facial CT and the brain CT findings of TBI. RESULTS: A total of 229 patients were enrolled. Ninety six patients without TBI on facial CT showed mean ONSD of 5.11+/-0.44 mm, and 82 patients with TBI showed mean ONSD of 5.89+/-0.78 mm. The sensitivity and the specificity compared with the presence of TBI findings on brain CT were 78.05% and 82.29%, respectively, when the cut-off value was set to 5.5 mm. The area under the curve (AUC) was 0.826 in the receiver operating characteristic curve (ROC curve). CONCLUSION: ONSD measured on facial CT is available for predicting TBI in patients with facial injuries.
Brain
;
Brain Injuries*
;
Emergencies
;
Emergency Service, Hospital*
;
Facial Injuries
;
Head
;
Humans
;
Intracranial Hypertension
;
Neurologic Manifestations
;
Optic Nerve*
;
Orbit
;
Retrospective Studies
;
ROC Curve
;
Sensitivity and Specificity
;
Tomography, X-Ray Computed
4.Temozolomide Salvage Chemotherapy for Recurrent Anaplastic Oligodendroglioma and Oligo-Astrocytoma.
Ho Shin GWAK ; Gi Taek YEE ; Chul Kee PARK ; Jin Wook KIM ; Yong Kil HONG ; Seok Gu KANG ; Jeong Hoon KIM ; Ho Jun SEOL ; Tae Young JUNG ; Jong Hee CHANG ; Heon YOO ; Jeong Hyun HWANG ; Se Hyuk KIM ; Bong Jin PARK ; Sun Chul HWANG ; Min Su KIM ; Seon Hwan KIM ; Eun Young KIM ; Ealmaan KIM ; Hae Yu KIM ; Young Cho KO ; Hwan Jung YUN ; Ji Hye YOUN ; Juyoung KIM ; Byeongil LEE ; Seung Hoon LEE
Journal of Korean Neurosurgical Society 2013;54(6):489-495
OBJECTIVE: To evaluate the efficacy of temozolomide (TMZ) chemotherapy for recurrent anaplastic oligodendroglioma (AO) and anaplastic oligoastrocytoma (AOA). METHODS: A multi-center retrospective trial enrolled seventy-two patients with histologically proven AO/AOA who underwent TMZ chemotherapy for their recurrent tumors from 2006 to 2010. TMZ was administered orally (150 to 200 mg/m2/day) for 5 days per 28 days until unacceptable toxicity occurred or tumor progression was observed. RESULTS: TMZ chemotherapy cycles administered was median 5.3 (range, 1-41). The objective response rate was 24% including 8 cases (11%) of complete response and another 23 patients (32%) were remained as stable disease. Severe side effects (> or =grade 3) occurred only in 9 patients (13%). Progression-free survival (PFS) of all patients was a median 8.0 months (95% confidence interval, 6.0-10.0). The time to recurrence of a year or after was a favorable prognostic factor for PFS (p<0.05). Overall survival (OS) was apparently differed by the patient's histology, as AOA patients survived a median OS of 18.0 months while AO patients did not reach median OS at median follow-up of 11.5 months (range 2.7-65 months). Good performance status of Eastern Cooperative Oncology Group 0 and 1 showed prolonged OS (p<0.01). CONCLUSION: For recurrent AO/AOA after surgery followed by radiation therapy, TMZ could be recommended as a salvage therapy at the estimated efficacy equal to procarbazine, lomustine, and vincristine (PCV) chemotherapy at first relapse. For patients previously treated with PCV, TMZ is a favorable therapeutic option as 2nd line salvage chemotherapy with an acceptable toxicity rate.
Disease-Free Survival
;
Drug Therapy*
;
Follow-Up Studies
;
Humans
;
Lomustine
;
Oligodendroglioma*
;
Procarbazine
;
Recurrence
;
Retrospective Studies
;
Salvage Therapy
;
Vincristine
5.A study on the measurement of the nucleated red blood cell (nRBC) count based on birth weight and its correlation with perinatal prognosis in infants with very low birth weights.
Tae Hwan KIL ; Ji Yeon HAN ; Jun Bum KIM ; Gyeong Ok KO ; Young Hyeok LEE ; Kil Young KIM ; Jae Woo LIM
Korean Journal of Pediatrics 2011;54(2):69-78
PURPOSE: The aim of this study was conducted to investigate the mean nRBC count in very low births weight infants (VLBWIs) and to determine the usefulness of the nRBC as an independent prognostic factors of perinatal complications in VLBWIs. METHODS: This study was conducted on 112 VLBWIs who were hospitalized in the neonatal intensive care unit (NICU) of the author's hospital within the period from March 2003 to and May 2008. Based on the infants' nucleated red blood cells (nRBC) counts at birth, on the third day after birth, on the seventh day after birth, in the second week after birth, and in the fourth week after birth in the medical records, the correlation between nRBC or absolute nRBC counts with birth weight, gestational age, and other perinatal outcomes were retrospectively investigated. RESULTS: In VLBWIs, their mean nRBC and absolute nRBC counts were showing a gradual decrease after birth, and they were consisteantly kept at low values since one week after and inversely proportional to the birth weights. The mean nRBC counts based on the stage after birth showed a significant correlation with perinatal death, necrotizing enterocolitis, and severe intraventricular hemorrhage. CONCLUSION: The increase in the nRBC count showed a significant correlation with having a severe intraventricular hemorrhage, necrotizing enterocolitis, and perinatal death in VLBWIs. If an increase or no decrease in the nRBC count after birth is observed, newborn-infant care precautions should be required.
Birth Weight
;
Enterocolitis, Necrotizing
;
Erythrocytes
;
Gestational Age
;
Hemorrhage
;
Humans
;
Infant
;
Infant, Newborn
;
Infant, Premature
;
Infant, Very Low Birth Weight
;
Intensive Care, Neonatal
;
Medical Records
;
Parturition
;
Prognosis
;
Reference Values
;
Retrospective Studies
6.Hematologic Profiles and Eosinophilia in Very Low Birth Weight Infants.
Ji Yeon HAN ; Tae Hwan KIL ; Jung Min YOON ; June Bum KIM ; Kyong Og KO ; Young Hyuk LEE ; Jae Woo LIM
Korean Journal of Perinatology 2011;22(4):285-294
PURPOSE: This study investigated the pattern of hematologic profile and eosinophilia for a month after birth in very low birth weight (VLBW) infants. METHODS: The medical records of 141 VLBW infants (birth weight, <1,500 g) admitted to the neonatal intensive care unit (NICU) of Konyang University Hospital. We collected complete blood cell counts (CBC) weekly for 4 weeks and studied hematologic profile and related factors of eosinophilia (> or =700/mm3). RESULTS: Overall, 50.4% of all infants had at least one instance of eosinophilia for a month after birth. There were 50.7% with moderate eosinophilia (1,000-2,999/mm3). White blood cell (WBC) counts and absolute neutrophil count (ANC) climaxed on 7th day of life, whereas eosinophilia mainly occurred on 21st day of life. The demographic data and perinatal characteristics of infants with and without eosinophilia were compared. Prevalence of eosinophilia was associated with gestational age and total parenteral nutrition on 21st day of life; total parenteral nutrition and transfusion on 28th day of life. Eosinophilia was closely associated with transfusion on logistic regression analysis (P<0.05). CONCLUSION: Eosinophilia in VLBW infants occurs mainly on 21st day of life. Eosinophil counts showed a separate trend different from WBC counts and ANC. Transfusion was significantly associated with eosinophilia.
Blood Cell Count
;
Eosinophilia
;
Eosinophils
;
Gestational Age
;
Humans
;
Infant
;
Infant, Newborn
;
Infant, Very Low Birth Weight
;
Intensive Care, Neonatal
;
Leukocytes
;
Logistic Models
;
Medical Records
;
Neutrophils
;
Parenteral Nutrition, Total
;
Parturition
;
Prevalence
7.Transluminal Removal of a Fractured and Embolized Indwelling Central Venous Catheter in the Pulmonary Artery.
O Kil KIM ; Su Hong KIM ; Jong Bin KIM ; Woo Seong JEON ; Sung Hwan JO ; Jee Hyun LEE ; Ji Ho KO
The Korean Journal of Internal Medicine 2006;21(3):187-190
Vascular catheters are associated with complications such as infection, thrombosis and stenosis. The embolization of a venous catheter fragment is a rare complication. A 39-year-old woman underwent placement of a totally implantable venous access device for chemotherapy to treat a recurrent liposarcoma of the left thigh. The "pinch-off sign" was noted on a routine chest X-ray but that was ignored. Three-months after implantation of the intravenous access device, the indwelling central catheter was fractured and embolized to the pulmonary trunk. The catheter in the pulmonary trunk was successfully removed through a percutaneous femoral vein approach using a pigtail catheter and goose neck snare.
Thigh/pathology
;
Pulmonary Artery/*injuries/surgery
;
Liposarcoma/drug therapy
;
Humans
;
Foreign-Body Migration/*complications/surgery
;
Female
;
*Equipment Failure
;
Embolism/*etiology/surgery
;
Catheters, Indwelling/*adverse effects
;
Catheterization, Central Venous/*adverse effects/instrumentation
;
Adult
8.The factors influencing pregnancy after surgery in infertile patients with severe endometriosis.
Heon Jong YOO ; Young Bok KO ; Chan Jun PARK ; Do Young KIM ; Jung Bo YANG ; Kwan Seop SHIN ; Suk Hwan HYUN ; Soon Ho HWANG ; Ki Hwan LEE ; Jun Kil KANG ; Yun Ee LEE
Korean Journal of Obstetrics and Gynecology 2005;48(9):2198-2204
OBJECTIVE: Endometriosis is assumed to be one of the causes of infertility, although the mechanism remains unclear. The purpose of this study was to determine the prognostic factors for the fertility in women with severe endometriosis. METHODS: Clinical data of 78 consecutive infertile patients who had taken surgery for stage III and IV endometriosis were retrospectively analyzed in two groups: A- pregnant after surgery (n=43, 55.1%): B- non-pregnant after surgery (n=35, 44.9%). All patients were treated with GnRHa after surgery. Each group were compared age, BMI, duration of infertility, stage of endometriosis, size and number of endometrioma, peritoneal implant outside the pelvic cavity, peritubal adhesion, ovarian adhesion and cul-de-sac obliteration. RESULTS: Among these factors, duration of infertility (p=0.03), peritoneal implant (p=0.01), tubal adhesion (p=0.04) and ovarian adhesion (p=0.02) were significantly different. However, patients' age, BMI, size and number of endometrioma, cul-de-sac obliteration and stage of endometriosis did not showed significantly different. CONCLUSION: We concluded that the duration of infertility and tubal and ovarian adhesion are important factors for predicting pregnancy after surgery in severe endometriosis.
Endometriosis*
;
Female
;
Fertility
;
Humans
;
Infertility
;
Pregnancy*
;
Retrospective Studies
9.Comparison of Clinical Outcomes between Pylorus Preserving Pancreaticoduodenectomy and Pancreaticoduodenectomy.
Jeong Soo PARK ; Soon Do PARK ; Jae Hwa KEUM ; Kil Yeon LEE ; Seok Hwan LEE ; Sang Mok LEE ; Ho Chul PARK ; Suck Hwan KO ; Soo Myung OH ; Choong YOON ; Sung Hwa HONG
Korean Journal of Hepato-Biliary-Pancreatic Surgery 2003;7(2):214-219
PURPOSE: A pancreaticoduodenectomy (PD) and pylorus-preserving pancreaticoduodenectomy (PPPD) are the two methods commonly used to treat periampullary neoplasms. This study was designed to compare these two methods in terms of the post-operative complications, the recurrence rate, and the post-operative weight change. METHODS: The medical records of 110 patients who underwent PD or PPPD from February 1986 through to June 2002 were retrospectively reviewed. The PD was performed on 54 patients and PPPD was performed on 56 patients, respectively. The mean follow-up periods were 25.33 months in the PD group and 25.39 months in the PPPD group, respectively. RESULTS: Diabetes mellitus occurred in 9 patients (16.7%) in the PD group and 8 patients (14.3%) in the PPPD group, and gastric emptying was delayed in 14 (25.9%) and 15 (26.8%) patients of each group after surgery. Procedure related deaths occurred in 2 (3.7%) and 4 (7.1%) patients from each group. There were no statistically significant differences in the post-operative complications between the two groups. The disease recurrence rate was significantly lower in the PPPD group than in the PD group (60.5% vs. 22.9%, p=0.001). Post-operative weight loss just after surgery at 3 months and 6 months after surgery was 3.56 kg, 3.68 kg, and 3.97 kg in the PD group and 2.78 kg, 1.77 kg, and 1.8 kg in the PPPD group, respectively, without showing a statistically significant difference. CONCLUSION: The clinical outcomes of the PPPD was not different from those of the PD in terms of the post-operative complications and weight loss. The disease recurrence rate was lower in the PPPD group. These results suggest that PPPD could be the treatment choice periampullary neoplasms.
Diabetes Mellitus
;
Follow-Up Studies
;
Gastric Emptying
;
Humans
;
Medical Records
;
Pancreaticoduodenectomy*
;
Pylorus*
;
Recurrence
;
Retrospective Studies
;
Weight Loss
10.Study on Development of Mouse Preimplantation Embryos in Culture Media with Different Composition of Energy Sources.
Jong Bum LEE ; Ju Hwan KIM ; Jee Hwan KO ; Young Kun OH ; Song Kyong SON ; Young Seok SEO ; Heung Tae NOH ; Kil Chun KANG ; Hai Bum SONG ; Ki Hwan LEE
Korean Journal of Obstetrics and Gynecology 2002;45(3):416-423
OBJECTIVE: The objective of this study was to examine the effect on development of mouse preimplantation embryos in culture media with different composition of energy sources in vitro culture. METHODS: Two hundred and seventy one two-cell embryos were cultured in four different culture system for 96 hours. Group I (n=61) was cultured in DMEM-G (DMEM with glutamine) only, groupII (n=64) was cultured in DMEM-GGP (DMEM with glutamine, glucose and pyruvate) only, group III (n=72) was cultured for 48 hours in DMEM-G and then transferred to DMEM-GGP and group IV (n=74) was cultured for 48 hours in DMEM-GGP and then transferred to DMEM-G. Development of embryos in each group was observed every 24 hours. RESULTS: After 24 hours, the rate of development > or = 3-cell was significantly higher in groupII (87.5%) and IV (86.5%) compared with group I (59.0%) and III (62.5%). After 48 hours, the rate of development into > or = morula stage was significantly higher in GroupII (79.7%) and IV (86.5%) compared with group I (34.4%) and III (37.5%). After 72 hours, the rate of development into blastocyst was significantly higher in group IV (74.3%) compared with group I (49.2%) and III (45.8%). After 96 hours, the rate of development into > or = expanded blastocyst was significantly higher in group IV (70.3%) compared with group I (32.8%),II (53.1%), and group III (40.3%). CONCLUSION: Mouse preimplantation embryos development was the most effective in culture system with DMEM-GGP for 48 hours and then transferred to DMEM-G.
Animals
;
Blastocyst*
;
Culture Media*
;
Embryonic Structures
;
Glucose
;
Glutamine
;
Mice*
;
Morula
;
Pyruvic Acid

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