1.Innovative use of a commercial product (Biomagic) for odor reduction, harmful bacteria inhibition, and immune enhancement in pig farm
Abdul Wahab AKRAM ; Hae-Yeon CHO ; Evelyn SABA ; Ga-Yeong LEE ; Seung-Chun PARK ; Sung Dae KIM ; Yong Gu HAN ; Man Hee RHEE
Korean Journal of Veterinary Research 2024;64(4):e32-
		                        		
		                        			
		                        			 The global increase in livestock production has correspondingly intensified farm odors due to harmful bacteria, reduced immunity, and disease progression. In this study, we treated feces with Biomagic-Enzyme complex for 4 months to understand the relationship between farm odor, immunity against common viral diseases, immune cytokines, and changes in the microbiota. A gas meter (MultiRAE) was used to measure ammonia (NH3) and hydrogen sulfide (H2S) while odor intensity and offensiveness were characterized by the non-objective scaling method. A complete blood count was performed and plasma was obtained after blood centrifugation at 3,000 rpm for 20 minutes. The cytokine profile was evaluated using commercial kits. Microbial DNA was extracted and purified from fecal samples to analyze the microbiota. Microbial DNA and viral RNA/DNA were obtained from fecal samples and amplified to determine the expression of transmissible gastroenteritis virus (TGEV), porcine reproductive and respiratory syndrome (PRRS), and porcine circovirus type 2 (PCV2). Our results indicated that Biomagic reduced odor nuisance by decreasing ammonia levels, resulting in faint and fairly offensive odor intensity. After the enzyme treatment, Escherichia coli populations significantly reduced across all 3 farms. In contrast, beneficial Lactobacillus spp. levels remained stable, indicating the enzyme selectively targeted harmful bacteria while preserving beneficial ones. The beneficial Lachnospiraceae, Spirochaetaceae, and Bacteroidaceae were found to be higher in the third month of treatment. TGEV was not detected, while PRRS and non-pathogenic PCV2 showed a positive infection rate. In conclusion, Biomagic reduced ammonia, prevented viral infection from pig farms, and improved gut-beneficial bacteria and microbiota. 
		                        		
		                        		
		                        		
		                        	
2.Innovative use of a commercial product (Biomagic) for odor reduction, harmful bacteria inhibition, and immune enhancement in pig farm
Abdul Wahab AKRAM ; Hae-Yeon CHO ; Evelyn SABA ; Ga-Yeong LEE ; Seung-Chun PARK ; Sung Dae KIM ; Yong Gu HAN ; Man Hee RHEE
Korean Journal of Veterinary Research 2024;64(4):e32-
		                        		
		                        			
		                        			 The global increase in livestock production has correspondingly intensified farm odors due to harmful bacteria, reduced immunity, and disease progression. In this study, we treated feces with Biomagic-Enzyme complex for 4 months to understand the relationship between farm odor, immunity against common viral diseases, immune cytokines, and changes in the microbiota. A gas meter (MultiRAE) was used to measure ammonia (NH3) and hydrogen sulfide (H2S) while odor intensity and offensiveness were characterized by the non-objective scaling method. A complete blood count was performed and plasma was obtained after blood centrifugation at 3,000 rpm for 20 minutes. The cytokine profile was evaluated using commercial kits. Microbial DNA was extracted and purified from fecal samples to analyze the microbiota. Microbial DNA and viral RNA/DNA were obtained from fecal samples and amplified to determine the expression of transmissible gastroenteritis virus (TGEV), porcine reproductive and respiratory syndrome (PRRS), and porcine circovirus type 2 (PCV2). Our results indicated that Biomagic reduced odor nuisance by decreasing ammonia levels, resulting in faint and fairly offensive odor intensity. After the enzyme treatment, Escherichia coli populations significantly reduced across all 3 farms. In contrast, beneficial Lactobacillus spp. levels remained stable, indicating the enzyme selectively targeted harmful bacteria while preserving beneficial ones. The beneficial Lachnospiraceae, Spirochaetaceae, and Bacteroidaceae were found to be higher in the third month of treatment. TGEV was not detected, while PRRS and non-pathogenic PCV2 showed a positive infection rate. In conclusion, Biomagic reduced ammonia, prevented viral infection from pig farms, and improved gut-beneficial bacteria and microbiota. 
		                        		
		                        		
		                        		
		                        	
3.Real‑world experience of emicizumab prophylaxis in Korean children with severe hemophilia A without inhibitors
Sung Eun KIM ; Ji Yoon KIM ; Jeong A PARK ; Chuhl Joo LYU ; Seung Min HAHN ; Jung Woo HAN ; Young Shil PARK
Blood Research 2024;59():34-
		                        		
		                        			 Purpose:
		                        			Hemophilia A is a genetic disorder characterized by a lack of factor VIII (FVIII). Emicizumab, a recombinant humanized bispecific monoclonal antibody, mimics the function of FVIII. In this article, we present data on an initial real-world evaluation of emicizumab use in Korean children with severe hemophilia A without inhibitors. 
		                        		
		                        			Methods:
		                        			This study was conducted from June 2020 to March 2024 at 4 centers in Korea. The participants were pediatric patients with severe hemophilia A without inhibitors who had received emicizumab treatment for over 6 months. The mean and median annualized bleeding rates (ABRs) and mean and median annual joint bleeding rates (AJBRs) were compared. 
		                        		
		                        			Results:
		                        			Each of the 21 patients in the study received an emicizumab loading regimen of 3 mg/kg weekly for 4 weeks, followed by a modified maintenance regimen of which 2 patients (9.5%) received a 1.5 mg/kg weekly dose, 3 patients (14.3%) received a 6 mg/kg dose every 4 weeks, and the remaining 16 patients (76.2%) received a 3 mg/kg dose every 2 weeks. Before emicizumab prophylaxis initiation, the mean and median ABRs for all patients were 7.04 (SD ± 5.83) and 6.52 (range 0–21.74), respectively. After receiving emicizumab treatment, the mean and mediam ABRs decreased to 0.41 and zero, respectively. Additionally, 85.7% of the patients achieved no bleeding events within 6 months of starting the treatment. 
		                        		
		                        			Conclusion
		                        			These first real-world data in Korea indicate that emicizumab is effective and safe for pediatric patients with severe hemophilia A without inhibitors. 
		                        		
		                        		
		                        		
		                        	
4.Innovative use of a commercial product (Biomagic) for odor reduction, harmful bacteria inhibition, and immune enhancement in pig farm
Abdul Wahab AKRAM ; Hae-Yeon CHO ; Evelyn SABA ; Ga-Yeong LEE ; Seung-Chun PARK ; Sung Dae KIM ; Yong Gu HAN ; Man Hee RHEE
Korean Journal of Veterinary Research 2024;64(4):e32-
		                        		
		                        			
		                        			 The global increase in livestock production has correspondingly intensified farm odors due to harmful bacteria, reduced immunity, and disease progression. In this study, we treated feces with Biomagic-Enzyme complex for 4 months to understand the relationship between farm odor, immunity against common viral diseases, immune cytokines, and changes in the microbiota. A gas meter (MultiRAE) was used to measure ammonia (NH3) and hydrogen sulfide (H2S) while odor intensity and offensiveness were characterized by the non-objective scaling method. A complete blood count was performed and plasma was obtained after blood centrifugation at 3,000 rpm for 20 minutes. The cytokine profile was evaluated using commercial kits. Microbial DNA was extracted and purified from fecal samples to analyze the microbiota. Microbial DNA and viral RNA/DNA were obtained from fecal samples and amplified to determine the expression of transmissible gastroenteritis virus (TGEV), porcine reproductive and respiratory syndrome (PRRS), and porcine circovirus type 2 (PCV2). Our results indicated that Biomagic reduced odor nuisance by decreasing ammonia levels, resulting in faint and fairly offensive odor intensity. After the enzyme treatment, Escherichia coli populations significantly reduced across all 3 farms. In contrast, beneficial Lactobacillus spp. levels remained stable, indicating the enzyme selectively targeted harmful bacteria while preserving beneficial ones. The beneficial Lachnospiraceae, Spirochaetaceae, and Bacteroidaceae were found to be higher in the third month of treatment. TGEV was not detected, while PRRS and non-pathogenic PCV2 showed a positive infection rate. In conclusion, Biomagic reduced ammonia, prevented viral infection from pig farms, and improved gut-beneficial bacteria and microbiota. 
		                        		
		                        		
		                        		
		                        	
5.Simultaneous Prostate Target Biopsy Integrated With Radical Prostatectomy: A Pilot Study Omitting Preoperative Systematic Biopsy
Tae Young PARK ; Jae Young HWANG ; Seong Woo YUN ; Chang Wan HYUN ; Sung Goo YOON ; Seung Bin KIM ; Tae Il NOH ; Ji Sung SHIM ; Min Goo PARK ; Seok Ho KANG ; Sung Gu KANG
Journal of Urologic Oncology 2024;22(3):196-200
		                        		
		                        			 Purpose:
		                        			This study evaluates the viability of a new method that employs transperineal targeted biopsy with frozen section analysis immediately followed by robot-assisted radical prostatectomy (RARP), bypassing the traditional systematic biopsy deemed essential by current guidelines. 
		                        		
		                        			Materials and Methods:
		                        			Patient selection was based on the following inclusion criteria: those who underwent magnetic resonance imaging (MRI)-ultrasound fusion-targeted biopsy with frozen section analysis and concurrent RARP. Eligibility also required features indicative of Prostate Imaging-Reporting and Data System (PI-RADS) 5 lesion on multiparametric MRI, along with one of these additional criteria: (1) MRI evidence suggesting extracapsular extension (ECE) with a prostate-specific antigen (PSA) level >10 ng/mL, or (2) a PSA level > 20 ng/mL. 
		                        		
		                        			Results:
		                        			Twelve patients were enrolled in this study according to inclusion criteria. The median age (interquartile range) was 73.5 (69.5–75.3) years and PSA was 22.9 (17.0–29.9) ng/mL. Three patients had PI-RADS 5 lesions, and 9 had PI-RADS 5 lesions with findings of ECE. In all cases, the diagnosis based on frozen sections confirmed adenocarcinoma. Following confirmation, each patient underwent immediate RARP. According to the final pathology report, 2 patients had International Society of Urological Pathology (ISUP) grade 2 disease, 7 patients had ISUP grade 3, 1 had ISUP grade 4, and 2 had ISUP grade 5 disease. Four patients had stage pT2 disease, 3 had stage pT3a, and 5 had stage pT3b. The median immediate reporting time of the target biopsy frozen section was 20 (19.3–24.5) minutes. No perioperative complications related to target biopsy were observed. 
		                        		
		                        			Conclusion
		                        			For patients with a strong suspicion of prostate cancer and a PI-RADS 5 lesion, integrating simultaneous prostate frozen target biopsy with radical prostatectomy may offer a feasible treatment alternative, obviating the necessity for a preoperative systematic biopsy. 
		                        		
		                        		
		                        		
		                        	
6.The association between the severity of erectile dysfunction and left ventricular diastolic dysfunction in patients with and without cardiovascular disease
Chang Wan HYUN ; Jae Young HWANG ; Seong Woo YUN ; Tae Young PARK ; Sung Goo YOON ; Seung Bin KIM ; Tae Il NOH ; Sung Gu KANG ; Seok Ho KANG ; Dong-Hyuk CHO ; Ji Sung SHIM
Investigative and Clinical Urology 2024;65(2):165-172
		                        		
		                        			 Purpose:
		                        			Erectile dysfunction (ED) is considered a microvascular disorder and serves as an indicator for the potential development of cardiovascular disease (CVD). Although left ventricular diastolic dysfunction (LVDD) reflects early myocardial damage caused by microvascular disorders, the association between ED and LVDD remains poorly elucidated. 
		                        		
		                        			Materials and Methods:
		                        			A cross-sectional study was conducted on 123 patients with ED. They underwent RigiScan, and conventional echocardiography, and attempted International Index of Erectile Function (IIEF) questionnaire. ED severity was evaluated by measuring changes in the penile base circumference and duration of penile rigidity (≥70%) during erection. The early diastolic velocity of mitral inflow (E) and early diastolic velocity of the mitral annulus (e′) were measured using echocardiography. The patients were grouped based on the presence of CVD. 
		                        		
		                        			Results:
		                        			Among 123 patients, 29 had CVD and 94 did not. Patients with CVD exhibited more pronounced ED and more severe LVDD. Associations between increased penile circumference with echocardiographic parameters were more prominent in patients with CVD than in those without CVD (ΔTtop and e′ wave, r=0.508 and r=0.282, respectively, p for interaction=0.033; ΔTbase and E/e′ ratio, r=-0.338 and r=-0.293, respectively, p for interaction <0.001). In the multivariate linear regression, the increase of penile base circumference was an independent risk factor for LVDD (e′, B=0.503; E/e′ ratio, B=-1.416, respectively, p<0.001). 
		                        		
		                        			Conclusions
		                        			ED severity correlated well with LV diastolic dysfunction, particularly in the presence of CVD. This study highlighted the potential role of ED assessment as early indicator of CVD development. 
		                        		
		                        		
		                        		
		                        	
7.Real‑world experience of emicizumab prophylaxis in Korean children with severe hemophilia A without inhibitors
Sung Eun KIM ; Ji Yoon KIM ; Jeong A PARK ; Chuhl Joo LYU ; Seung Min HAHN ; Jung Woo HAN ; Young Shil PARK
Blood Research 2024;59():34-
		                        		
		                        			 Purpose:
		                        			Hemophilia A is a genetic disorder characterized by a lack of factor VIII (FVIII). Emicizumab, a recombinant humanized bispecific monoclonal antibody, mimics the function of FVIII. In this article, we present data on an initial real-world evaluation of emicizumab use in Korean children with severe hemophilia A without inhibitors. 
		                        		
		                        			Methods:
		                        			This study was conducted from June 2020 to March 2024 at 4 centers in Korea. The participants were pediatric patients with severe hemophilia A without inhibitors who had received emicizumab treatment for over 6 months. The mean and median annualized bleeding rates (ABRs) and mean and median annual joint bleeding rates (AJBRs) were compared. 
		                        		
		                        			Results:
		                        			Each of the 21 patients in the study received an emicizumab loading regimen of 3 mg/kg weekly for 4 weeks, followed by a modified maintenance regimen of which 2 patients (9.5%) received a 1.5 mg/kg weekly dose, 3 patients (14.3%) received a 6 mg/kg dose every 4 weeks, and the remaining 16 patients (76.2%) received a 3 mg/kg dose every 2 weeks. Before emicizumab prophylaxis initiation, the mean and median ABRs for all patients were 7.04 (SD ± 5.83) and 6.52 (range 0–21.74), respectively. After receiving emicizumab treatment, the mean and mediam ABRs decreased to 0.41 and zero, respectively. Additionally, 85.7% of the patients achieved no bleeding events within 6 months of starting the treatment. 
		                        		
		                        			Conclusion
		                        			These first real-world data in Korea indicate that emicizumab is effective and safe for pediatric patients with severe hemophilia A without inhibitors. 
		                        		
		                        		
		                        		
		                        	
8.Simultaneous Prostate Target Biopsy Integrated With Radical Prostatectomy: A Pilot Study Omitting Preoperative Systematic Biopsy
Tae Young PARK ; Jae Young HWANG ; Seong Woo YUN ; Chang Wan HYUN ; Sung Goo YOON ; Seung Bin KIM ; Tae Il NOH ; Ji Sung SHIM ; Min Goo PARK ; Seok Ho KANG ; Sung Gu KANG
Journal of Urologic Oncology 2024;22(3):196-200
		                        		
		                        			 Purpose:
		                        			This study evaluates the viability of a new method that employs transperineal targeted biopsy with frozen section analysis immediately followed by robot-assisted radical prostatectomy (RARP), bypassing the traditional systematic biopsy deemed essential by current guidelines. 
		                        		
		                        			Materials and Methods:
		                        			Patient selection was based on the following inclusion criteria: those who underwent magnetic resonance imaging (MRI)-ultrasound fusion-targeted biopsy with frozen section analysis and concurrent RARP. Eligibility also required features indicative of Prostate Imaging-Reporting and Data System (PI-RADS) 5 lesion on multiparametric MRI, along with one of these additional criteria: (1) MRI evidence suggesting extracapsular extension (ECE) with a prostate-specific antigen (PSA) level >10 ng/mL, or (2) a PSA level > 20 ng/mL. 
		                        		
		                        			Results:
		                        			Twelve patients were enrolled in this study according to inclusion criteria. The median age (interquartile range) was 73.5 (69.5–75.3) years and PSA was 22.9 (17.0–29.9) ng/mL. Three patients had PI-RADS 5 lesions, and 9 had PI-RADS 5 lesions with findings of ECE. In all cases, the diagnosis based on frozen sections confirmed adenocarcinoma. Following confirmation, each patient underwent immediate RARP. According to the final pathology report, 2 patients had International Society of Urological Pathology (ISUP) grade 2 disease, 7 patients had ISUP grade 3, 1 had ISUP grade 4, and 2 had ISUP grade 5 disease. Four patients had stage pT2 disease, 3 had stage pT3a, and 5 had stage pT3b. The median immediate reporting time of the target biopsy frozen section was 20 (19.3–24.5) minutes. No perioperative complications related to target biopsy were observed. 
		                        		
		                        			Conclusion
		                        			For patients with a strong suspicion of prostate cancer and a PI-RADS 5 lesion, integrating simultaneous prostate frozen target biopsy with radical prostatectomy may offer a feasible treatment alternative, obviating the necessity for a preoperative systematic biopsy. 
		                        		
		                        		
		                        		
		                        	
9.Innovative use of a commercial product (Biomagic) for odor reduction, harmful bacteria inhibition, and immune enhancement in pig farm
Abdul Wahab AKRAM ; Hae-Yeon CHO ; Evelyn SABA ; Ga-Yeong LEE ; Seung-Chun PARK ; Sung Dae KIM ; Yong Gu HAN ; Man Hee RHEE
Korean Journal of Veterinary Research 2024;64(4):e32-
		                        		
		                        			
		                        			 The global increase in livestock production has correspondingly intensified farm odors due to harmful bacteria, reduced immunity, and disease progression. In this study, we treated feces with Biomagic-Enzyme complex for 4 months to understand the relationship between farm odor, immunity against common viral diseases, immune cytokines, and changes in the microbiota. A gas meter (MultiRAE) was used to measure ammonia (NH3) and hydrogen sulfide (H2S) while odor intensity and offensiveness were characterized by the non-objective scaling method. A complete blood count was performed and plasma was obtained after blood centrifugation at 3,000 rpm for 20 minutes. The cytokine profile was evaluated using commercial kits. Microbial DNA was extracted and purified from fecal samples to analyze the microbiota. Microbial DNA and viral RNA/DNA were obtained from fecal samples and amplified to determine the expression of transmissible gastroenteritis virus (TGEV), porcine reproductive and respiratory syndrome (PRRS), and porcine circovirus type 2 (PCV2). Our results indicated that Biomagic reduced odor nuisance by decreasing ammonia levels, resulting in faint and fairly offensive odor intensity. After the enzyme treatment, Escherichia coli populations significantly reduced across all 3 farms. In contrast, beneficial Lactobacillus spp. levels remained stable, indicating the enzyme selectively targeted harmful bacteria while preserving beneficial ones. The beneficial Lachnospiraceae, Spirochaetaceae, and Bacteroidaceae were found to be higher in the third month of treatment. TGEV was not detected, while PRRS and non-pathogenic PCV2 showed a positive infection rate. In conclusion, Biomagic reduced ammonia, prevented viral infection from pig farms, and improved gut-beneficial bacteria and microbiota. 
		                        		
		                        		
		                        		
		                        	
10.Real‑world experience of emicizumab prophylaxis in Korean children with severe hemophilia A without inhibitors
Sung Eun KIM ; Ji Yoon KIM ; Jeong A PARK ; Chuhl Joo LYU ; Seung Min HAHN ; Jung Woo HAN ; Young Shil PARK
Blood Research 2024;59():34-
		                        		
		                        			 Purpose:
		                        			Hemophilia A is a genetic disorder characterized by a lack of factor VIII (FVIII). Emicizumab, a recombinant humanized bispecific monoclonal antibody, mimics the function of FVIII. In this article, we present data on an initial real-world evaluation of emicizumab use in Korean children with severe hemophilia A without inhibitors. 
		                        		
		                        			Methods:
		                        			This study was conducted from June 2020 to March 2024 at 4 centers in Korea. The participants were pediatric patients with severe hemophilia A without inhibitors who had received emicizumab treatment for over 6 months. The mean and median annualized bleeding rates (ABRs) and mean and median annual joint bleeding rates (AJBRs) were compared. 
		                        		
		                        			Results:
		                        			Each of the 21 patients in the study received an emicizumab loading regimen of 3 mg/kg weekly for 4 weeks, followed by a modified maintenance regimen of which 2 patients (9.5%) received a 1.5 mg/kg weekly dose, 3 patients (14.3%) received a 6 mg/kg dose every 4 weeks, and the remaining 16 patients (76.2%) received a 3 mg/kg dose every 2 weeks. Before emicizumab prophylaxis initiation, the mean and median ABRs for all patients were 7.04 (SD ± 5.83) and 6.52 (range 0–21.74), respectively. After receiving emicizumab treatment, the mean and mediam ABRs decreased to 0.41 and zero, respectively. Additionally, 85.7% of the patients achieved no bleeding events within 6 months of starting the treatment. 
		                        		
		                        			Conclusion
		                        			These first real-world data in Korea indicate that emicizumab is effective and safe for pediatric patients with severe hemophilia A without inhibitors. 
		                        		
		                        		
		                        		
		                        	
            
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