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( Eun Hui Bae ),( Sang Yup Lim ),( Eun Mi Yang ),( Tae Ryom Oh ),( Hong Sang Choi ),( Chang Seong Kim ),( Seong Kwon Ma ),( Bongseong Kim ),( Kyung-do Han ),( Soo Wan Kim ) 대한신장학회 2023 Kidney Research and Clinical Practice Vol.42 No.2
Background: Although multiple factors influence the risk of major adverse cardiovascular events (MACE), the effects of socioeconomic status on MACE in the presence and absence of renal dysfunction (RD) have not been comprehensively explored in Korea. Methods: We examined the effects of socioeconomic status on MACE in individuals with and without RD. The data of 44,473 Koreans from 2008 to 2017 were obtained from the Health Care Big Data Platform of the Ministry of Health and Welfare in Korea. Their socioeconomic status was assessed using a socioeconomic score (SES) based on marital status, education, household income, and occupation. The incidence of myocardial infarction (MI), stroke, and death was compared according to SES level (0-4). Multiple linear regression analysis was used to evaluate the hazard ratios and 95% confidence intervals for outcomes based on participant SES. Results: MI risk was only affected by education level. The participants’ income, education, and SES affected their stroke risk, whereas death was associated with all four socioeconomic factors. The incidence of stroke and death increased as SES worsened (from 0 to 4). SES was positively related to risk of stroke and death in participants without RD. SES did not affect MI, stroke, or death in participants with RD. Conclusion: A low socioeconomic status is associated with risk of stroke and death, especially in individuals without RD.
( Eun Hui Bae ),( Sang Yup Lim ),( Bongseong Kim ),( Kyung-do Han ),( Tae Ryom Oh ),( Hong Sang Choi ),( Chang Seong Kim ),( Seong Kwon Ma ),( Soo Wan Kim ) 대한신장학회 2021 Kidney Research and Clinical Practice Vol.40 No.3
Background: Hypertension is the most important modifiable risk factor for mortality and morbidity in chronic kidney disease and cor-onary artery syndrome. The effect of hypertension prior to percutaneous coronary intervention (PCI) on the development of end-stage renal disease (ESRD) is unknown. Methods: We used nationally representative data from the Korean National Health Insurance System―140,164 subjects were en-rolled during 2010-2015; they were free of ESRD at enrolment, underwent PCI, and were followed up until 2017. Blood pressure (BP) was measured within at least 2 years prior to PCI. The primary outcome was the development of ESRD. Results: During a median follow-up of 5.4 years, 2,082 participants (1.5%) developed ESRD. The highest systolic BP group (>160 mmHg) showed a higher hazard ratio (3.69; 95% confidence interval, 2.61-5.23) than the reference group (110-119 mmHg). Simi-lar results were observed in the highest diastolic BP group (>120 mmHg), which showed a higher hazard ratio than the reference group (70-79 mmHg). However, ESRD risk showed a J-shaped relationship with baseline systolic and diastolic BP at 113 and 74 mmHg in diabetes mellitus subgroup, respectively, after adjustment for potential confounders. Conclusion: Our study showed that a high systolic or diastolic BP prior to PCI was independently associated with an increased inci-dence of ESRD.
이동길(Donggil LEE),배봉성(Bongseong BAE),이정호(Jeong-Ho LEE),김석태(Sugtai KIM),김형수(Hyeongsu KIM) 한국수산해양교육학회 2021 水産海洋敎育硏究 Vol.33 No.2
Global marine fisheries resources are showing decreasing trends due to the overfishing and the climate change, and the seafood deficit by the fisheries is replaced by the products from aquaculture industries. However, the aquaculture industry in Korea is experiencing the negative consequences by the decreasing and aging population of fishing village, and the natural disaster such as annual algal blooms (red tide) and abnormally high water temperatures phenomena. The academia and industry of aquaculture are conducting research on the smart aquaculture technology that combines the 4th industrial revolution technologies such as information and communication technology and artificial intelligence (AI) technology to resolve the current difficulties of the aquaculture industries and to secure stable and sustainable aquaculture technologies of the organisms. However, it is not clear to define the concept and definition of the smart or advanced aquaculture technology since it is a new research subject in Korea. Also, there would be diverse ways to develop it. In this study, we suggest the methods how to approach and industrialize on the smart aquaculture technology for the Korean aquaculture environments and management structures. The methods aimed to reduce risks and to stabilize the adaptation process of the smart aquaculture technology.
Comparison of live shrimp bait catch efficiency in single line fishery
Myungsung Koo,Ishizaki Munechika,Samkwang Cho,Bongseong Bae,차봉진 한국수산과학회 2021 Fisheries and Aquatic Sciences Vol.24 No.11
On the southern coast of South Korea, dark-banded rockfish, sea bass, and red seabream are caught by single-line fishing. In particular, red seabream and sea bass are caught in the Jeollanam-do region using gear with attached fishing hooks, such as longline and single-line gear, with live shrimp as bait. The objective of this study was to compare the catch efficiency of two types of live shrimp (naturally grown Shiba shrimp [Metapenaeus joyneri] and cultured whiteleg shrimp [Litopenaeus vannamei]) used as bait. The investigation included interviews, on-board surveys, and water tank experiments. Interviews were conducted with relevant parties to determine the preference for live shrimp as bait, and the results showed a greater preference for cultured whiteleg shrimp. Further, an on-board survey was conducted to compare catch efficiency between these two types of live shrimp bait for single-line fishing. The on-board investigations were conducted once or twice a month between June and October. In total, the amounts of fish caught using naturally grown Shiba shrimp and cultured whiteleg shrimp were 56 and 52, respectively. Of these, the numbers of sea bass, the primary target fish species, caught using naturally grown Shiba shrimp and cultured whiteleg shrimp were 43 and 40, respectively. Thus, the results showed that there was almost no difference in the number of fish caught based on the bait used. However, according to a water tank experiment, cultured whiteleg shrimp survived longer than naturally grown Shiba shrimp.