1.Current Clinical Perspectives on Rosacea Management: Insights From a Korean Multicenter Expert Opinion Survey
Bo Ri KIM ; Sejin OH ; Ju Hee HAN ; Jimyung SEO ; Hyun-Min SEO ; Soon-Hyo KWON ; Hoon CHOI ; Jung U SHIN ; Jae We CHO ; Boncheol Leo GOO ; Jung-Im NA ; Dong Hun LEE ; Chun Pill CHOI ; HaeWoong LEE ; Joo Yeon KO ; Hwa Jung RYU ; Nark-Kyoung RHO ; Hyunjo KIM ; Ga-Young LEE ; Jong Hee LEE ; Nala SHIN ; Sang Ju LEE ; Suk Bae SEO ; Geun Soo LEE ; Hei Sung KIM ; Chang-Hun HUH
Annals of Dermatology 2026;38(1):42-50
Background:
Rosacea is a chronic inflammatory skin disorder characterized by erythema, papules, ocular symptoms, and heightened sensitivity. Patients with neurogenic symptoms such as burning or stinging remain particularly difficult to manage. Current guidelines often underrepresent energy-based devices (EBDs), pigmentary sequelae, psychosocial burden, and ocular comorbidities.
Objective:
To examine Korean dermatologists’ expert perspectives on rosacea management, focusing on skin sensitivity, neurogenic symptoms, pigmentary changes, psychosocial impact, ocular involvement, and EBD use.
Methods:
A web-based, 29-item survey was administered to 25 board-certified Korean dermatologists (May–June 2025). Quantitative and qualitative responses were analyzed.
Results:
Erythematotelangiectatic and papulopustular phenotypes with sensitivity skin predominated. EBDs (pulsed dye laser, intense pulsed light) were frequently used but limited by cost and sensitivity issues. Neurogenic symptoms were recognized but rarely treated with neuromodulators. Post-inflammatory hyperpigmentation was infrequent, yet monitoring was inconsistent.Psychosocial and ocular aspects were acknowledged but seldomly systematically addressed.Respondents expressed interest in emerging adjunctive treatments such as cold plasma, skin boosters, and holistic care approaches.
Conclusion
Korean dermatologists adopt individualized strategies for rosacea, yet practice gaps remain regarding neurogenic symptoms, pigmentary complications, and psychosocial and ocular comorbidities. Findings support the need for updated multidisciplinary, phenotype-driven guidelines aligned with real-world practice.
2.Unilateral Biportal Endoscopic Transforaminal Lumbar Interbody Fusion (TLIF) Using 3-Dimensional-Printed Titanium Cages Compared With Open TLIF: A Comparison of Clinical Outcomes and Fusion Rates
Sang Hyub LEE ; Junghan SEO ; Dain JEONG ; Sang Youp HAN ; Dong Hyun LEE ; Jae-Won JANG ; Dong-Geun LEE ; Choon Keun PARK
Journal of Minimally Invasive Spine Surgery and Technique 2026;11(Suppl 1):S28-S40
Objective:
Unilateral biportal endoscopic transforaminal lumbar interbody fusion (UBE-TLIF) has emerged as an alternative to open TLIF. However, limited evidence is available regarding the application of 3-dimensional (3D)-printed titanium cages in UBE-TLIF. We aimed to compare the clinical outcomes and fusion rates of UBE-TLIF and open TLIF using 3D-printed titanium cages.
Methods:
We retrospectively reviewed patients who underwent single-level TLIF with 3D-printed titanium cages between 2021 and 2023. The inclusion criterion was degenerative lumbar stenosis, while the exclusion criteria were trauma, infection, and multilevel surgery. Clinical and radiologic outcomes were compared between the UBE-TLIF and open TLIF groups.
Results:
Twenty-one patients underwent UBE-TLIF, and 21 underwent open TLIF. The visual analogue scale (VAS) for back (p=0.987) and leg pain (p=0.731) did not significantly differ between the groups at 1-year follow-up. However, VAS back pain at postoperative day 2 was significantly lower in the UBE-TLIF group than in the open TLIF group (p<0.001). Solid fusion was achieved in 21 patients (100%) in the open TLIF group and in 20 (95.2%) in the UBE-TLIF group (p=1.000). In multivariable logistic regression analysis, body mass index was the only factor that exhibited a significant relationship (odds ratio [OR], 0.70; 95% confidence interval [CI], 0.53–0.92; p=0.011) with interbody fusion. In contrast, the surgical method (UBE vs. open TLIF) was not a significant factor (OR, 0.47; 95% CI, 0.10–2.21; p=0.337).
Conclusion
Using a 3D-printed titanium cage for UBE-TLIF may yield comparable fusion rates to those of open TLIF.
3.Nitric Oxide Production Inhibitory Terpenylated Coumarins from Ailanthus altissima
Beom Kyun AN ; Jae Sang HAN ; Joon Su JANG ; Yong Beom CHO ; Mi Kyeong LEE ; Bang Yeon HWANG
Natural Product Sciences 2026;32(1):44-49
LC-MS/MS-based molecular networking was used to guide the targeted isolation of terpenylated coumarins from the barks of Ailanthus altissima. Five known terpenylated coumarins (1–5), along with two simple coumarins (6 and 7), were isolated from the CH 2 Cl 2 -soluble fraction. Their structures were determined using spectroscopic techniques, including 1D and 2D NMR and LC-HR-MS/MS. Notably, altissimacoumarins C (1), F (3), and H (4) demonstrated potent inhibition of LPS-induced nitric oxide production in RAW 264.7 macrophages, with IC50 values of 36.1, 27.9, and 11.2 μM, respectively. These results demonstrate the antiinflammatory properties of A. altissima, supporting its possible application in treating inflammatory disorders.
4.Association of Physical Activity with Dementia Risk in Cancer Survivors: A Korean Nationwide Cohort Study
Su Kyoung LEE ; Minji HAN ; Sangwoo PARK ; Sun Jae PARK ; Jihun SONG ; Hye Jun KIM ; Jaewon KIM ; Hyeokjong LEE ; Hyun-Young SHIN ; Kyae Hyung KIM ; Sang Min PARK
Cancer Research and Treatment 2026;58(1):48-60
Purpose:
This study aimed to investigate the impact of physical activity on dementia risk among cancer survivors in South Korea.
Materials and Methods:
This retrospective, population-based cohort study included 344,152 cancer survivors identified from the National Health Insurance Service database in South Korea. The mean follow-up time was 5.81 years. Different levels of physical activity post-cancer diagnosis, ranging from inactive to highly active, were assessed. The primary outcome was the incidence of overall dementia, Alzheimer’s disease, and vascular dementia. Secondary outcomes included dementia risk stratified by cancer type and treatment (chemotherapy and radiation).
Results:
Of the total participants, 24,363 (7.08%) developed dementia. The risk of overall dementia decreased sequentially across the exercise groups compared to the inactive group: insufficiently active (adjusted hazard ratio [HR], 0.89; 95% confidence interval [CI], 0.86 to 0.92), active (adjusted HR, 0.85; 95% CI, 0.83 to 0.88), and highly active (adjusted HR, 0.79; 95% CI, 0.76 to 0.82). This inverse relationship between exercise and dementia risk was statistically significant across various cancer types and was consistent regardless of age, comorbidities, and whether or not excluding the first 1, 2 years.
Conclusion
Among cancer survivors in South Korea, increased physical activity post-diagnosis was associated with a significantly lower risk of dementia. These findings underscore the importance of promoting physical activity in cancer survivors for cognitive health.
5.Use of MAVRIC-SL for metal artifact reduction in postoperative canine stifle MRI
Sojin KIM ; Youngmin KIM ; Jae-Pung HAN ; Sunghoon JEON ; Gonhyung KIM ; Sang-Hwan HYUN ; Dongwoo CHANG ; Namsoon LEE
Journal of Veterinary Science 2026;27(2):e21-
Objective:
This study aimed to determine whether a multiacquisition variable-resonance image combination-selective (MAVRIC-SL) sequence, which reduces susceptibility artifacts, is useful for postoperative evaluation.
Methods:
MRI was performed on four dogs that underwent CCLR correction using metallic implants. Imaging was performed with MAVRIC-SL and two-dimensional fast spin echo (2D-FSE) sequences, including proton density (PD), PD fat-suppressed (F/S), and T2-weighted F/S. The artifact area for each sequence was quantitatively analyzed. A four-level qualitative image analysis was performed to assess image artifacts, cartilage delineation, and visualization of the cranial cruciate ligament and bone.
Results:
The artifact area was significantly reduced with MAVRIC-SL than with 2D-FSE, regardless of the metal materials used. In addition, the amount of artifact, cartilage delineation, and visualization of the bone were significantly improved with MAVRIC-SL compared with 2D-FSE.
Conclusions
and Relevance: In this preliminary study, the MAVRIC-SL sequence improves postoperative MRI evaluation by reducing susceptibility artifacts in dogs with CCLR treated with metallic implants.
6.Health Effects of Sugar-Sweetened and Artificially Sweetened Beverages: Umbrella Review and Evidence-Based Consensus Statement of the Korean Diabetes Association and the Korean Nutrition Society
Jong Han CHOI ; SuJin SONG ; Soo Kyoung KIM ; Jae Won CHO ; Jae Hyun BAE ; Shinje MOON ; Jeong Hyun LIM ; YeonHee LEE ; Ji-Yun HWANG ; YoonJu SONG ; Sang Soo KIM
Diabetes & Metabolism Journal 2026;50(1):32-46
Background:
Excess intake of added sugars contributes to obesity, type 2 diabetes mellitus (T2DM), cardiovascular disease (CVD), and premature mortality. Sugar-sweetened beverages (SSBs), the main source of added sugars, are consistently linked to adverse outcomes. Artificially sweetened beverages (ASBs) have been suggested as short-term substitutes, but evidence regarding benefits and harms remains inconclusive, and guidance is lacking.
Methods:
This consensus statement draws on a structured evidence review combining two approaches: an updated meta-analysis of randomized controlled trials (RCTs) assessing short- to intermediate-term effects of replacing SSBs with ASBs on weight and metabolic outcomes; and an umbrella review of systematic reviews of cohort studies evaluating long-term associations of SSBs and ASBs with major outcomes, including mortality, CVD, and T2DM.
Results:
In 14 RCTs (3–76 weeks), replacing SSBs with ASBs produced modest reductions in body weight (–0.73 kg) and body fat (–0.72%), with inconsistent effects on glycemic and cardiometabolic markers. Evidence from 20 systematic reviews of cohorts (up to 34 years follow-up) showed that higher intake of both SSBs and ASBs was associated with increased risks of T2DM, CVD, and mortality, with relative risks for ASBs similar to those for SSBs.
Conclusion
ASBs may serve as a short-term substitution for individuals with high SSB intake, particularly those at elevated metabolic risk. However, regular or long-term use is not recommended due to uncertain safety and potential reinforcement of sweet preference. Public health strategies should emphasize reducing both SSBs and ASBs, prioritizing water and unsweetened beverages as the ultimate goal.
7.Effectiveness of the Loving Life TokTok 65+ Program for Suicide Prevention Education for the Elderly
Jae Sang LEE ; Eun Seok KIM ; Kkotdawoon HAN ; Su Kyong SONG ; Young-Eun JUNG
Journal of Korean Neuropsychiatric Association 2026;65(1):44-49
Objectives:
This study evaluated the educational effectiveness of the Loving Life TokTok 65+, a suicide prevention gatekeeper education program for the elderly developed by the Jeju Special Self-Governing Province Mental Health Welfare Center.
Methods:
Community-dwelling adults aged ≥65 years (n=125) were assigned randomly to an intervention group (n=61) or a control group (n=64). The intervention group received the Loving Life TokTok 65+ program, while the control group received no education during the study period. The outcomes were assessed immediately before and after the intervention using validated self-report measures of gatekeeper behavior, preparedness to help, suicide prevention literacy, and attitudes toward suicide.
Results:
Post-intervention, the intervention group showed significant improvement in overall gatekeeper behavior (all p<0.001), particularly in readiness and self-efficacy, compared with the baseline, whereas the control group showed no significant change.
Conclusion
The Loving Life TokTok 65+ program effectively enhanced suicide-prevention–related behavioral competencies among the elderly.
8.Dietary habits of Koreans aged 95years and older residing in rural and metropolitan areas
Jieun MUN ; Sein KIM ; Suyoung KIM ; Seunghee KIM ; Sang Chul PARK ; Jae-Young HAN ; Kwangsung PARK ; Clara Yongjoo PARK
Nutrition Research and Practice 2025;19(1):66-79
BACKGROUND/OBJECTIVES:
Cultural and environmental factors may affect dietary habits and intake, regardless of age. As recent assessments of dietary habits of adults 95 yrs and older are absent, we aimed to determine dietary habits, diet quality, and intake of adults 95 yrs and older and test if they vary by region.
SUBJECTS/METHODS:
Adults 95 yrs and older residing in rural areas (Gurye-gun, Goksung-gun, and Sunchang-gun [GuGokSun]; n = 46), a near-city area (Hwasun-gun, and Damyang-gun [HwaDam]; n = 77), and a metropolitan city (Gwangju Metropolitan City [Gwangju]; n = 32) were surveyed. Dietary habits and quality were surveyed using the Nutrition Quotient for the Elderly (NQ-E). Participants (n = 20) recorded videos of their meals, which were subsequently analyzed for food and nutrient intake and compared with intakes of participants of the Korea National Health and Nutrition Examination Survey (KNHANES) aged ≥ 80 yrs (n = 1,769), which were assessed via 24-h recall.
RESULTS:
Most participants (85.2%) consumed similar amounts of food at meals; however, only 65.1% ingested meals at regular times. The mean NQ-E score was 48.0 ± 11.9 and did not differ among regions. In Gwangju participants, subjective income was positively associated with diet quality. The mean energy and grain intakes per meal were lower, whereas the percent energy intake from protein and intakes of seaweed, meat and poultry, and iron were higher in GuGokSun and HwaDam participants with meal recordings than in KNHANES participants.
CONCLUSION
Among Korean adults aged ≥ 95 yrs, few regional variations exist in dietary quality and habits, although associations with diet quality vary within regions. Adults 95 yrs and older exhibit lower energy intake but higher intakes of seaweed, meat and poultry, and iron than adults aged ≥ 80 yrs. Notwithstanding, further longitudinal studies on centenarians are warranted.
9.Initial and peak serum levels of Krebs von den Lungen-6 for predicting the prognosis of patients with COVID-19
Geonui KIM ; Hyeonwoo KWON ; Sang Hyun RA ; Euijin CHANG ; Seongman BAE ; Jiwon JUNG ; Min Jae KIM ; Yong Pil CHONG ; Sang-Oh LEE ; Sang-Ho CHOI ; Yang Soo KIM ; Sung-Han KIM
The Korean Journal of Internal Medicine 2025;40(2):321-329
Background/Aims:
Krebs von den Lungen-6 (KL-6) is associated with prognosis in patients with COVID-19. However, there is limited data on the correlation between the prognosis of COVID-19 and varying KL-6 levels at different time points. We investigated the optimal cutoff values of the initial and peak serum KL-6 levels to predict mortality and evaluated their correlation with mortality.
Methods:
This retrospective cohort study collected data on serially collected serum KL-6 levels in patients hospitalized with COVID-19 between October 2020 and January 2022 at a single tertiary hospital in South Korea. The area under the receiver operating characteristic curve and Youden index were used to determine the cutoff points for the initial and peak KL-6 levels that best predicted 30-day mortality. The association between the initial and peak KL-6 values was assessed by univariate and multivariate logistic regression models.
Results:
A total of 349 patients were included in this study. The mean initial and peak KL-6 levels were significantly higher in the non-survivor group than in the survivor group. The initial and peak KL-6 values that best predicted 30-day mortality were 491.85 U/mL and 660.05 U/mL, respectively. An initial KL-6 level greater than 491.85 U/mL and a peak KL-6 level greater than 660.05 U/mL were significantly associated with 30-day mortality.
Conclusions
The initial and peak levels of KL-6 were significantly associated with 30-day mortality in hospitalized patients with COVID-19. These findings suggest that serially monitoring blood KL-6 levels could be a valuable prognostic indicator for COVID-19.
10.Initial and peak serum levels of Krebs von den Lungen-6 for predicting the prognosis of patients with COVID-19
Geonui KIM ; Hyeonwoo KWON ; Sang Hyun RA ; Euijin CHANG ; Seongman BAE ; Jiwon JUNG ; Min Jae KIM ; Yong Pil CHONG ; Sang-Oh LEE ; Sang-Ho CHOI ; Yang Soo KIM ; Sung-Han KIM
The Korean Journal of Internal Medicine 2025;40(2):321-329
Background/Aims:
Krebs von den Lungen-6 (KL-6) is associated with prognosis in patients with COVID-19. However, there is limited data on the correlation between the prognosis of COVID-19 and varying KL-6 levels at different time points. We investigated the optimal cutoff values of the initial and peak serum KL-6 levels to predict mortality and evaluated their correlation with mortality.
Methods:
This retrospective cohort study collected data on serially collected serum KL-6 levels in patients hospitalized with COVID-19 between October 2020 and January 2022 at a single tertiary hospital in South Korea. The area under the receiver operating characteristic curve and Youden index were used to determine the cutoff points for the initial and peak KL-6 levels that best predicted 30-day mortality. The association between the initial and peak KL-6 values was assessed by univariate and multivariate logistic regression models.
Results:
A total of 349 patients were included in this study. The mean initial and peak KL-6 levels were significantly higher in the non-survivor group than in the survivor group. The initial and peak KL-6 values that best predicted 30-day mortality were 491.85 U/mL and 660.05 U/mL, respectively. An initial KL-6 level greater than 491.85 U/mL and a peak KL-6 level greater than 660.05 U/mL were significantly associated with 30-day mortality.
Conclusions
The initial and peak levels of KL-6 were significantly associated with 30-day mortality in hospitalized patients with COVID-19. These findings suggest that serially monitoring blood KL-6 levels could be a valuable prognostic indicator for COVID-19.

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