1.Effect of immunosuppressive agents on clinical outcomes in idiopathic membranous nephropathy
Ji-Young CHOI ; Ho Jun CHIN ; Hajeong LEE ; Yena JEON ; Jeong-Hoon LIM ; Hee-Yeon JUNG ; Jang-Hee CHO ; Chan-Duck KIM ; Yong-Lim KIM ; Sun-Hee PARK
Kidney Research and Clinical Practice 2024;43(5):635-647
Few comparative studies on the effects of immunosuppressants in patients with idiopathic membranous nephropathy have been conducted. Methods: Data from 489 patients who received conservative treatment or immunosuppressants were retrospectively analyzed by propensity score matching. Primary outcomes were complete or partial remission (CR or PR) of proteinuria, and secondary outcomes were renal survival and infection. Results: Of the 489 patients, 357 (73.0%) received immunosuppressants. Propensity score matching identified 82 patients from the conservative group and 82 patients in the immunosuppressant group. CR or PR at 12 months was significantly higher in the immunosuppressant group compared with the conservative group for the total population (p = 0.002) and the propensity score-matched population (p = 0.02). The use of immunosuppressants was significantly more effective with respect to achieving a CR or PR at 12 months in patients who were aged <65 years or female, or who had a proteinuria level of ≥4.0 g/g or an estimated glomerular filtration rate of ≥60 mL/min/1.73 m2 (p < 0.05). Renal survival was similar between patients receiving immunosuppressants and conservative treatment in both the total and matched populations. The immunosuppressant group (21.8%) had a significantly higher incidence of infections compared with the conservative group (13.6%) for the total population (p = 0.03), but statistical significance disappeared in the matched population (p > 0.99). Conclusion: The remission rate was significantly higher in the immunosuppressant group than in the conservative group, particularly in the subgroup of patients who were young or female, or those with heavy proteinuria loads or good renal function.
2.Impact of Electronic Prescription System Modification for Appropriate Blood Component Utilization
Soo Eung PARK ; Jin Kyung LEE ; Young Jun HONG ; Ae-Chin OH ; Heyjin KIM
Korean Journal of Blood Transfusion 2024;35(3):178-186
Background:
Transfusion reactions are major considerations in transfusions. Appropriate transfusion practices are essential to minimize the risk of transfusion reactions, such as using irradiated and leukoreduced blood components for indicated patients. This study examined the effectiveness of an electronic prescription system modification in promoting the appropriate use of these blood components.
Methods:
The blood component prescription data from seven years (Jan 2016∼Dec 2022) were analyzed retrospectively. The proportion of irradiated units was calculated for each half-year. Each transfusion was categorized by cancer diagnosis, blood component type, and visit type. Statistical comparisons were performed to assess the changes in the use of irradiated blood units and leukoreduced red cell components before and after the system modification.
Results:
This study analyzed 33,701 blood component prescriptions. The average number of irradiated units per prescription increased significantly from 0.21 to 0.77 after system modification. All patient groups, excluding transfusion in the operating room, showed a significant increase in irradiated unit use (P≤0.001). In addition, the percentage of leukoreduced red cell components increased significantly after the intervention (P<0.001).
Conclusion
Modification of the electronic prescription system was effective in promoting the appropriate use of irradiated blood components among clinicians. This intervention can reduce transfusion reactions and improve patient outcomes by ensuring the correct selection of blood components for the indicated patients.
3.Epidemiological and Clinical Characteristics of Women Living with HIV in Korea
Sang Min AHN ; Yong Seop LEE ; Min HAN ; Jung Ah LEE ; Jae Eun SEONG ; Yae Jee BAEK ; JongHoon HYUN ; Jung Ho KIM ; Jin Young AHN ; Dong Hyun OH ; Su Jin JEONG ; Ji Hyeon BAEK ; Nam Su KU ; Hee Kyoung CHOI ; Yoonseon PARK ; BumSik CHIN ; Young Keun KIM ; Joon Sup YEOM ; Young Hwa CHOI ; Jun Yong CHOI
Infection and Chemotherapy 2024;56(3):369-377
Background:
While Korea maintains a low prevalence of human immunodeficiency virus (HIV), the number of newly diagnosed cases has been steadily rising, reaching approximately 1,000 annually in recent years. The 2022 annual report from the Korea Disease Control and Prevention Agency revealed that women living with HIV (WLWH) constitute 6.4% of the total confirmed people living with the HIV population, totaling 1,219 individuals. Despite this, only a few studies have focused on WLWH in Korea. This study aims to analyze the epidemiological and clinical characteristics of WLWH in Korea.
Materials and Methods:
We retrospectively collected data by reviewing the medical records of all WLWH who visited 10 urban referral hospitals across Korea between January 2005 and May 2023.
Results:
A total of 443 WLWH were enrolled in this study. The predominant risk exposure was heterosexual contact, with 235 (53%) participants either married or cohabiting with a male partner at their initial clinic visit. Among the participants, 334 (77.7%) were Korean, 27 (6.1%) were Southeast Asian, and 19 (4.3%) were African. Antiretroviral therapy was initiated by 404 WLWH (91.2%). We observed 118 pregnancies in WLWH following their HIV diagnosis, resulting in 78 live births (66.1%), 18 induced abortions (15.2%), 10 pre-viable fetal losses (8.5%), and four stillbirths (3.4%). Over a cumulative follow-up duration of 3,202.1 years, the incidence rates of breast and cervical cancers were both 2.18 per 1,000 person-years. Additionally, the incidence rates of pelvic inflammatory disease, cervical intraepithelial neoplasm (above grade II), and osteoporosis were 4.67, 11.21, and 13.39 per 1,000 patient-years, respectively.
Conclusion
This is the first multicenter study to investigate the clinical and epidemiological characteristics of WLWH in Korea. The incidence and prevalence of diseases in women, including breast cancer, cervical cancer, and chronic comorbidities, are high in WLWH in Korea; therefore, further research and efforts are needed to manage these diseases.
4.Effect of immunosuppressive agents on clinical outcomes in idiopathic membranous nephropathy
Ji-Young CHOI ; Ho Jun CHIN ; Hajeong LEE ; Yena JEON ; Jeong-Hoon LIM ; Hee-Yeon JUNG ; Jang-Hee CHO ; Chan-Duck KIM ; Yong-Lim KIM ; Sun-Hee PARK
Kidney Research and Clinical Practice 2024;43(5):635-647
Few comparative studies on the effects of immunosuppressants in patients with idiopathic membranous nephropathy have been conducted. Methods: Data from 489 patients who received conservative treatment or immunosuppressants were retrospectively analyzed by propensity score matching. Primary outcomes were complete or partial remission (CR or PR) of proteinuria, and secondary outcomes were renal survival and infection. Results: Of the 489 patients, 357 (73.0%) received immunosuppressants. Propensity score matching identified 82 patients from the conservative group and 82 patients in the immunosuppressant group. CR or PR at 12 months was significantly higher in the immunosuppressant group compared with the conservative group for the total population (p = 0.002) and the propensity score-matched population (p = 0.02). The use of immunosuppressants was significantly more effective with respect to achieving a CR or PR at 12 months in patients who were aged <65 years or female, or who had a proteinuria level of ≥4.0 g/g or an estimated glomerular filtration rate of ≥60 mL/min/1.73 m2 (p < 0.05). Renal survival was similar between patients receiving immunosuppressants and conservative treatment in both the total and matched populations. The immunosuppressant group (21.8%) had a significantly higher incidence of infections compared with the conservative group (13.6%) for the total population (p = 0.03), but statistical significance disappeared in the matched population (p > 0.99). Conclusion: The remission rate was significantly higher in the immunosuppressant group than in the conservative group, particularly in the subgroup of patients who were young or female, or those with heavy proteinuria loads or good renal function.
5.Impact of Electronic Prescription System Modification for Appropriate Blood Component Utilization
Soo Eung PARK ; Jin Kyung LEE ; Young Jun HONG ; Ae-Chin OH ; Heyjin KIM
Korean Journal of Blood Transfusion 2024;35(3):178-186
Background:
Transfusion reactions are major considerations in transfusions. Appropriate transfusion practices are essential to minimize the risk of transfusion reactions, such as using irradiated and leukoreduced blood components for indicated patients. This study examined the effectiveness of an electronic prescription system modification in promoting the appropriate use of these blood components.
Methods:
The blood component prescription data from seven years (Jan 2016∼Dec 2022) were analyzed retrospectively. The proportion of irradiated units was calculated for each half-year. Each transfusion was categorized by cancer diagnosis, blood component type, and visit type. Statistical comparisons were performed to assess the changes in the use of irradiated blood units and leukoreduced red cell components before and after the system modification.
Results:
This study analyzed 33,701 blood component prescriptions. The average number of irradiated units per prescription increased significantly from 0.21 to 0.77 after system modification. All patient groups, excluding transfusion in the operating room, showed a significant increase in irradiated unit use (P≤0.001). In addition, the percentage of leukoreduced red cell components increased significantly after the intervention (P<0.001).
Conclusion
Modification of the electronic prescription system was effective in promoting the appropriate use of irradiated blood components among clinicians. This intervention can reduce transfusion reactions and improve patient outcomes by ensuring the correct selection of blood components for the indicated patients.
6.Epidemiological and Clinical Characteristics of Women Living with HIV in Korea
Sang Min AHN ; Yong Seop LEE ; Min HAN ; Jung Ah LEE ; Jae Eun SEONG ; Yae Jee BAEK ; JongHoon HYUN ; Jung Ho KIM ; Jin Young AHN ; Dong Hyun OH ; Su Jin JEONG ; Ji Hyeon BAEK ; Nam Su KU ; Hee Kyoung CHOI ; Yoonseon PARK ; BumSik CHIN ; Young Keun KIM ; Joon Sup YEOM ; Young Hwa CHOI ; Jun Yong CHOI
Infection and Chemotherapy 2024;56(3):369-377
Background:
While Korea maintains a low prevalence of human immunodeficiency virus (HIV), the number of newly diagnosed cases has been steadily rising, reaching approximately 1,000 annually in recent years. The 2022 annual report from the Korea Disease Control and Prevention Agency revealed that women living with HIV (WLWH) constitute 6.4% of the total confirmed people living with the HIV population, totaling 1,219 individuals. Despite this, only a few studies have focused on WLWH in Korea. This study aims to analyze the epidemiological and clinical characteristics of WLWH in Korea.
Materials and Methods:
We retrospectively collected data by reviewing the medical records of all WLWH who visited 10 urban referral hospitals across Korea between January 2005 and May 2023.
Results:
A total of 443 WLWH were enrolled in this study. The predominant risk exposure was heterosexual contact, with 235 (53%) participants either married or cohabiting with a male partner at their initial clinic visit. Among the participants, 334 (77.7%) were Korean, 27 (6.1%) were Southeast Asian, and 19 (4.3%) were African. Antiretroviral therapy was initiated by 404 WLWH (91.2%). We observed 118 pregnancies in WLWH following their HIV diagnosis, resulting in 78 live births (66.1%), 18 induced abortions (15.2%), 10 pre-viable fetal losses (8.5%), and four stillbirths (3.4%). Over a cumulative follow-up duration of 3,202.1 years, the incidence rates of breast and cervical cancers were both 2.18 per 1,000 person-years. Additionally, the incidence rates of pelvic inflammatory disease, cervical intraepithelial neoplasm (above grade II), and osteoporosis were 4.67, 11.21, and 13.39 per 1,000 patient-years, respectively.
Conclusion
This is the first multicenter study to investigate the clinical and epidemiological characteristics of WLWH in Korea. The incidence and prevalence of diseases in women, including breast cancer, cervical cancer, and chronic comorbidities, are high in WLWH in Korea; therefore, further research and efforts are needed to manage these diseases.
7.Effect of immunosuppressive agents on clinical outcomes in idiopathic membranous nephropathy
Ji-Young CHOI ; Ho Jun CHIN ; Hajeong LEE ; Yena JEON ; Jeong-Hoon LIM ; Hee-Yeon JUNG ; Jang-Hee CHO ; Chan-Duck KIM ; Yong-Lim KIM ; Sun-Hee PARK
Kidney Research and Clinical Practice 2024;43(5):635-647
Few comparative studies on the effects of immunosuppressants in patients with idiopathic membranous nephropathy have been conducted. Methods: Data from 489 patients who received conservative treatment or immunosuppressants were retrospectively analyzed by propensity score matching. Primary outcomes were complete or partial remission (CR or PR) of proteinuria, and secondary outcomes were renal survival and infection. Results: Of the 489 patients, 357 (73.0%) received immunosuppressants. Propensity score matching identified 82 patients from the conservative group and 82 patients in the immunosuppressant group. CR or PR at 12 months was significantly higher in the immunosuppressant group compared with the conservative group for the total population (p = 0.002) and the propensity score-matched population (p = 0.02). The use of immunosuppressants was significantly more effective with respect to achieving a CR or PR at 12 months in patients who were aged <65 years or female, or who had a proteinuria level of ≥4.0 g/g or an estimated glomerular filtration rate of ≥60 mL/min/1.73 m2 (p < 0.05). Renal survival was similar between patients receiving immunosuppressants and conservative treatment in both the total and matched populations. The immunosuppressant group (21.8%) had a significantly higher incidence of infections compared with the conservative group (13.6%) for the total population (p = 0.03), but statistical significance disappeared in the matched population (p > 0.99). Conclusion: The remission rate was significantly higher in the immunosuppressant group than in the conservative group, particularly in the subgroup of patients who were young or female, or those with heavy proteinuria loads or good renal function.
8.Impact of Electronic Prescription System Modification for Appropriate Blood Component Utilization
Soo Eung PARK ; Jin Kyung LEE ; Young Jun HONG ; Ae-Chin OH ; Heyjin KIM
Korean Journal of Blood Transfusion 2024;35(3):178-186
Background:
Transfusion reactions are major considerations in transfusions. Appropriate transfusion practices are essential to minimize the risk of transfusion reactions, such as using irradiated and leukoreduced blood components for indicated patients. This study examined the effectiveness of an electronic prescription system modification in promoting the appropriate use of these blood components.
Methods:
The blood component prescription data from seven years (Jan 2016∼Dec 2022) were analyzed retrospectively. The proportion of irradiated units was calculated for each half-year. Each transfusion was categorized by cancer diagnosis, blood component type, and visit type. Statistical comparisons were performed to assess the changes in the use of irradiated blood units and leukoreduced red cell components before and after the system modification.
Results:
This study analyzed 33,701 blood component prescriptions. The average number of irradiated units per prescription increased significantly from 0.21 to 0.77 after system modification. All patient groups, excluding transfusion in the operating room, showed a significant increase in irradiated unit use (P≤0.001). In addition, the percentage of leukoreduced red cell components increased significantly after the intervention (P<0.001).
Conclusion
Modification of the electronic prescription system was effective in promoting the appropriate use of irradiated blood components among clinicians. This intervention can reduce transfusion reactions and improve patient outcomes by ensuring the correct selection of blood components for the indicated patients.
9.Epidemiological and Clinical Characteristics of Women Living with HIV in Korea
Sang Min AHN ; Yong Seop LEE ; Min HAN ; Jung Ah LEE ; Jae Eun SEONG ; Yae Jee BAEK ; JongHoon HYUN ; Jung Ho KIM ; Jin Young AHN ; Dong Hyun OH ; Su Jin JEONG ; Ji Hyeon BAEK ; Nam Su KU ; Hee Kyoung CHOI ; Yoonseon PARK ; BumSik CHIN ; Young Keun KIM ; Joon Sup YEOM ; Young Hwa CHOI ; Jun Yong CHOI
Infection and Chemotherapy 2024;56(3):369-377
Background:
While Korea maintains a low prevalence of human immunodeficiency virus (HIV), the number of newly diagnosed cases has been steadily rising, reaching approximately 1,000 annually in recent years. The 2022 annual report from the Korea Disease Control and Prevention Agency revealed that women living with HIV (WLWH) constitute 6.4% of the total confirmed people living with the HIV population, totaling 1,219 individuals. Despite this, only a few studies have focused on WLWH in Korea. This study aims to analyze the epidemiological and clinical characteristics of WLWH in Korea.
Materials and Methods:
We retrospectively collected data by reviewing the medical records of all WLWH who visited 10 urban referral hospitals across Korea between January 2005 and May 2023.
Results:
A total of 443 WLWH were enrolled in this study. The predominant risk exposure was heterosexual contact, with 235 (53%) participants either married or cohabiting with a male partner at their initial clinic visit. Among the participants, 334 (77.7%) were Korean, 27 (6.1%) were Southeast Asian, and 19 (4.3%) were African. Antiretroviral therapy was initiated by 404 WLWH (91.2%). We observed 118 pregnancies in WLWH following their HIV diagnosis, resulting in 78 live births (66.1%), 18 induced abortions (15.2%), 10 pre-viable fetal losses (8.5%), and four stillbirths (3.4%). Over a cumulative follow-up duration of 3,202.1 years, the incidence rates of breast and cervical cancers were both 2.18 per 1,000 person-years. Additionally, the incidence rates of pelvic inflammatory disease, cervical intraepithelial neoplasm (above grade II), and osteoporosis were 4.67, 11.21, and 13.39 per 1,000 patient-years, respectively.
Conclusion
This is the first multicenter study to investigate the clinical and epidemiological characteristics of WLWH in Korea. The incidence and prevalence of diseases in women, including breast cancer, cervical cancer, and chronic comorbidities, are high in WLWH in Korea; therefore, further research and efforts are needed to manage these diseases.
10.Effect of immunosuppressive agents on clinical outcomes in idiopathic membranous nephropathy
Ji-Young CHOI ; Ho Jun CHIN ; Hajeong LEE ; Yena JEON ; Jeong-Hoon LIM ; Hee-Yeon JUNG ; Jang-Hee CHO ; Chan-Duck KIM ; Yong-Lim KIM ; Sun-Hee PARK
Kidney Research and Clinical Practice 2024;43(5):635-647
Few comparative studies on the effects of immunosuppressants in patients with idiopathic membranous nephropathy have been conducted. Methods: Data from 489 patients who received conservative treatment or immunosuppressants were retrospectively analyzed by propensity score matching. Primary outcomes were complete or partial remission (CR or PR) of proteinuria, and secondary outcomes were renal survival and infection. Results: Of the 489 patients, 357 (73.0%) received immunosuppressants. Propensity score matching identified 82 patients from the conservative group and 82 patients in the immunosuppressant group. CR or PR at 12 months was significantly higher in the immunosuppressant group compared with the conservative group for the total population (p = 0.002) and the propensity score-matched population (p = 0.02). The use of immunosuppressants was significantly more effective with respect to achieving a CR or PR at 12 months in patients who were aged <65 years or female, or who had a proteinuria level of ≥4.0 g/g or an estimated glomerular filtration rate of ≥60 mL/min/1.73 m2 (p < 0.05). Renal survival was similar between patients receiving immunosuppressants and conservative treatment in both the total and matched populations. The immunosuppressant group (21.8%) had a significantly higher incidence of infections compared with the conservative group (13.6%) for the total population (p = 0.03), but statistical significance disappeared in the matched population (p > 0.99). Conclusion: The remission rate was significantly higher in the immunosuppressant group than in the conservative group, particularly in the subgroup of patients who were young or female, or those with heavy proteinuria loads or good renal function.

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