1.The onco-bariatric paradigm: a tri-phasic metabolic obesity framework for synergizing glucagon-like peptide-1 receptor agonists and metabolic bariatric surgery
Dong Jin PARK ; Yoonhong KIM ; Dongjae JEON ; Young Suk PARK ; Kyung Won SEO ; Ki Hyun KIM
Kosin Medical Journal 2026;41(1):3-8
Obesity is a chronic, progressive neuroendocrine disease that warrants a shift toward an “onco-bariatric” treatment paradigm. This study introduces the tri-phasic metabolic obesity (TPMO) framework, which integrates glucagon-like peptide-1 receptor agonists (GLP-1 RAs) with metabolic bariatric surgery (MBS). Recent clinical and economic evidence—including findings from the Indiana multicenter study and the Highmark Health analysis—was reviewed to evaluate the effectiveness of the TPMO model in improving surgical and metabolic outcomes. The TPMO framework streamlines the patient journey through three synergistic phases. In the neoadjuvant phase, a 4–8-week course of GLP-1 RAs reduces liver volume and visceral fat, thereby improving surgical access, provided that treatment is discontinued 1 week before surgery to mitigate aspiration risk. During the core surgery phase, MBS provides a definitive metabolic reset and remains the most cost-effective treatment, yielding an average savings of $11,689 per patient over 2 years compared with medication alone. In the adjuvant phase, pharmacotherapy—used by 17.2% of post-bariatric patients—counteracts metabolic adaptation and supports sustained weight loss, while a high-protein intake (≥1.2 g/kg/day) is essential for preserving lean body mass. The TPMO framework represents a precision-based, synergistic standard of care designed to promote durable, cost-effective long-term metabolic health within the onco-bariatric paradigm.
2.Combined in-person and home-based circuit exercise improves body composition and hormonal profiles in patients with post-bariatric weight regain:a genotype-stratified single-arm interventional study
Tae Yang KIM ; Dongjae JEON ; Jong-Hee KIM ; Young Suk PARK
Annals of Surgical Treatment and Research 2026;110(1):47-55
Purpose:
Weight regain following metabolic/bariatric surgery (MBS) is a common challenge that may compromise the long-term benefits of surgery. This study evaluated the effects of an 8-week circuit training and dietary counseling program on body composition and obesity-related hormones in patients with early post-bariatric weight regain and assessed the influence of FTO rs9939609 genotype.
Methods:
This prospective, single-arm intervention enrolled 16 adults with ≥5% weight regain after MBS. Participants completed a structured hybrid program consisting of weekly supervised and home-based circuit training, alongside standardized dietary guidance. Anthropometric, hormonal, and metabolic parameters were measured before and after the intervention. Participants were genotyped for FTO rs9939609 and categorized into TT (non-risk) and AA/AT (risk allele) groups.
Results:
After 8 weeks, participants showed significant reductions in body mass index (−4.4%, P < 0.001), waist circumference (−5.8%, P = 0.001), and fat mass (−7.1%, P = 0.004), whereas muscle mass decreased modestly (−2.7%, P = 0.056). Leptin (−29.8%, P = 0.002), ghrelin (−10.2%, P = 0.002), and insulin (−14.5%, P = 0.039) levels also declined significantly. Although the AA/AT group exhibited higher absolute adiposity than the TT group both pre- and postintervention, percentage changes in anthropometric parameters did not significantly differ between the 2 groups.
Conclusion
A structured hybrid exercise and dietary program was effective in reversing early weight regain and improving hormonal profiles after MBS. The FTO risk allele was associated with greater baseline obesity but did not attenuate response to the intervention.
3.The KAPARD guidelines for atopic dermatitis in children and adolescents:Part II. Systemic treatment, novel therapeutics, and adjuvant therapy
Hwan Soo KIM ; Eun LEE ; Kyunghoon KIM ; Taek Ki MIN ; Dong In SUH ; Yoon Ha HWANG ; Sungsu JUNG ; Minyoung JUNG ; Young A PARK ; Minji KIM ; In Suk SOL ; You Hoon JEON ; Sung-Il WOO ; Yong Ju LEE ; Jong Deok KIM ; Hyeon-Jong YANG ; Gwang Cheon JANG ;
Allergy, Asthma & Respiratory Disease 2025;13(1):3-11
Atopic dermatitis is the most common chronic inflammatory skin disease in children and adolescents. The Korean Academy of Pediatric Allergy and Respiratory Disease published the Atopic Dermatitis Treatment Guideline in 2008, which has been helpful in atopic dermatitis treatment until now. Various reports on the development and effectiveness of new drugs have suggested that there is a need to develop and revise old treatment guidelines. Part 1 aimed to provide evidence-based recommendations for skin care management and topical treatment for atopic dermatitis. Part 2 focuses on systemic treatment, novel therapeutics, and adjuvant therapy. The goal of this guideline is intended to assist front-line doctors treating pediatric and adolescent atopic dermatitis patients make safer, more effective, and more rational decisions regarding systemic treatment, novel therapeutics, and adjuvant therapy by providing evidence-based recommendations with a clear level of evidence and benefit regarding treatment.
4.The KAPARD guidelines for atopic dermatitis in children and adolescents:Part II. Systemic treatment, novel therapeutics, and adjuvant therapy
Hwan Soo KIM ; Eun LEE ; Kyunghoon KIM ; Taek Ki MIN ; Dong In SUH ; Yoon Ha HWANG ; Sungsu JUNG ; Minyoung JUNG ; Young A PARK ; Minji KIM ; In Suk SOL ; You Hoon JEON ; Sung-Il WOO ; Yong Ju LEE ; Jong Deok KIM ; Hyeon-Jong YANG ; Gwang Cheon JANG ;
Allergy, Asthma & Respiratory Disease 2025;13(1):3-11
Atopic dermatitis is the most common chronic inflammatory skin disease in children and adolescents. The Korean Academy of Pediatric Allergy and Respiratory Disease published the Atopic Dermatitis Treatment Guideline in 2008, which has been helpful in atopic dermatitis treatment until now. Various reports on the development and effectiveness of new drugs have suggested that there is a need to develop and revise old treatment guidelines. Part 1 aimed to provide evidence-based recommendations for skin care management and topical treatment for atopic dermatitis. Part 2 focuses on systemic treatment, novel therapeutics, and adjuvant therapy. The goal of this guideline is intended to assist front-line doctors treating pediatric and adolescent atopic dermatitis patients make safer, more effective, and more rational decisions regarding systemic treatment, novel therapeutics, and adjuvant therapy by providing evidence-based recommendations with a clear level of evidence and benefit regarding treatment.
5.Characteristics and Prevalence of Sequelae after COVID-19: A Longitudinal Cohort Study
Se Ju LEE ; Yae Jee BAEK ; Su Hwan LEE ; Jung Ho KIM ; Jin Young AHN ; Jooyun KIM ; Ji Hoon JEON ; Hyeri SEOK ; Won Suk CHOI ; Dae Won PARK ; Yunsang CHOI ; Kyoung-Ho SONG ; Eu Suk KIM ; Hong Bin KIM ; Jae-Hoon KO ; Kyong Ran PECK ; Jae-Phil CHOI ; Jun Hyoung KIM ; Hee-Sung KIM ; Hye Won JEONG ; Jun Yong CHOI
Infection and Chemotherapy 2025;57(1):72-80
Background:
The World Health Organization has declared the end of the coronavirus disease 2019 (COVID-19) public health emergency. However, this did not indicate the end of COVID-19. Several months after the infection, numerous patients complain of respiratory or nonspecific symptoms; this condition is called long COVID. Even patients with mild COVID-19 can experience long COVID, thus the burden of long COVID remains considerable. Therefore, we conducted this study to comprehensively analyze the effects of long COVID using multi-faceted assessments.
Materials and Methods:
We conducted a prospective cohort study involving patients diagnosed with COVID-19 between February 2020 and September 2021 in six tertiary hospitals in Korea. Patients were followed up at 1, 3, 6, 12, 18, and 24 months after discharge. Long COVID was defined as the persistence of three or more COVID-19-related symptoms. The primary outcome of this study was the prevalence of long COVID after the period of COVID-19.
Results:
During the study period, 290 patients were enrolled. Among them, 54.5 and 34.6% experienced long COVID within 6 months and after more than 18 months, respectively. Several patients showed abnormal results when tested for post-traumatic stress disorder (17.4%) and anxiety (31.9%) after 18 months. In patients who underwent follow-up chest computed tomography 18 months after COVID-19, abnormal findings remained at 51.9%. Males (odds ratio [OR], 0.17; 95% confidence interval [CI], 0.05–0.53; P=0.004) and elderly (OR, 1.04; 95% CI, 1.00–1.09; P=0.04) showed a significant association with long COVID after 12–18 months in a multivariable logistic regression analysis.
Conclusion
Many patients still showed long COVID after 18 months post SARS-CoV-2 infection. When managing these patients, the assessment of multiple aspects is necessary.
6.Characteristics and Prevalence of Sequelae after COVID-19: A Longitudinal Cohort Study
Se Ju LEE ; Yae Jee BAEK ; Su Hwan LEE ; Jung Ho KIM ; Jin Young AHN ; Jooyun KIM ; Ji Hoon JEON ; Hyeri SEOK ; Won Suk CHOI ; Dae Won PARK ; Yunsang CHOI ; Kyoung-Ho SONG ; Eu Suk KIM ; Hong Bin KIM ; Jae-Hoon KO ; Kyong Ran PECK ; Jae-Phil CHOI ; Jun Hyoung KIM ; Hee-Sung KIM ; Hye Won JEONG ; Jun Yong CHOI
Infection and Chemotherapy 2025;57(1):72-80
Background:
The World Health Organization has declared the end of the coronavirus disease 2019 (COVID-19) public health emergency. However, this did not indicate the end of COVID-19. Several months after the infection, numerous patients complain of respiratory or nonspecific symptoms; this condition is called long COVID. Even patients with mild COVID-19 can experience long COVID, thus the burden of long COVID remains considerable. Therefore, we conducted this study to comprehensively analyze the effects of long COVID using multi-faceted assessments.
Materials and Methods:
We conducted a prospective cohort study involving patients diagnosed with COVID-19 between February 2020 and September 2021 in six tertiary hospitals in Korea. Patients were followed up at 1, 3, 6, 12, 18, and 24 months after discharge. Long COVID was defined as the persistence of three or more COVID-19-related symptoms. The primary outcome of this study was the prevalence of long COVID after the period of COVID-19.
Results:
During the study period, 290 patients were enrolled. Among them, 54.5 and 34.6% experienced long COVID within 6 months and after more than 18 months, respectively. Several patients showed abnormal results when tested for post-traumatic stress disorder (17.4%) and anxiety (31.9%) after 18 months. In patients who underwent follow-up chest computed tomography 18 months after COVID-19, abnormal findings remained at 51.9%. Males (odds ratio [OR], 0.17; 95% confidence interval [CI], 0.05–0.53; P=0.004) and elderly (OR, 1.04; 95% CI, 1.00–1.09; P=0.04) showed a significant association with long COVID after 12–18 months in a multivariable logistic regression analysis.
Conclusion
Many patients still showed long COVID after 18 months post SARS-CoV-2 infection. When managing these patients, the assessment of multiple aspects is necessary.
7.The KAPARD guidelines for atopic dermatitis in children and adolescents:Part II. Systemic treatment, novel therapeutics, and adjuvant therapy
Hwan Soo KIM ; Eun LEE ; Kyunghoon KIM ; Taek Ki MIN ; Dong In SUH ; Yoon Ha HWANG ; Sungsu JUNG ; Minyoung JUNG ; Young A PARK ; Minji KIM ; In Suk SOL ; You Hoon JEON ; Sung-Il WOO ; Yong Ju LEE ; Jong Deok KIM ; Hyeon-Jong YANG ; Gwang Cheon JANG ;
Allergy, Asthma & Respiratory Disease 2025;13(1):3-11
Atopic dermatitis is the most common chronic inflammatory skin disease in children and adolescents. The Korean Academy of Pediatric Allergy and Respiratory Disease published the Atopic Dermatitis Treatment Guideline in 2008, which has been helpful in atopic dermatitis treatment until now. Various reports on the development and effectiveness of new drugs have suggested that there is a need to develop and revise old treatment guidelines. Part 1 aimed to provide evidence-based recommendations for skin care management and topical treatment for atopic dermatitis. Part 2 focuses on systemic treatment, novel therapeutics, and adjuvant therapy. The goal of this guideline is intended to assist front-line doctors treating pediatric and adolescent atopic dermatitis patients make safer, more effective, and more rational decisions regarding systemic treatment, novel therapeutics, and adjuvant therapy by providing evidence-based recommendations with a clear level of evidence and benefit regarding treatment.
8.The KAPARD guidelines for atopic dermatitis in children and adolescents:Part II. Systemic treatment, novel therapeutics, and adjuvant therapy
Hwan Soo KIM ; Eun LEE ; Kyunghoon KIM ; Taek Ki MIN ; Dong In SUH ; Yoon Ha HWANG ; Sungsu JUNG ; Minyoung JUNG ; Young A PARK ; Minji KIM ; In Suk SOL ; You Hoon JEON ; Sung-Il WOO ; Yong Ju LEE ; Jong Deok KIM ; Hyeon-Jong YANG ; Gwang Cheon JANG ;
Allergy, Asthma & Respiratory Disease 2025;13(1):3-11
Atopic dermatitis is the most common chronic inflammatory skin disease in children and adolescents. The Korean Academy of Pediatric Allergy and Respiratory Disease published the Atopic Dermatitis Treatment Guideline in 2008, which has been helpful in atopic dermatitis treatment until now. Various reports on the development and effectiveness of new drugs have suggested that there is a need to develop and revise old treatment guidelines. Part 1 aimed to provide evidence-based recommendations for skin care management and topical treatment for atopic dermatitis. Part 2 focuses on systemic treatment, novel therapeutics, and adjuvant therapy. The goal of this guideline is intended to assist front-line doctors treating pediatric and adolescent atopic dermatitis patients make safer, more effective, and more rational decisions regarding systemic treatment, novel therapeutics, and adjuvant therapy by providing evidence-based recommendations with a clear level of evidence and benefit regarding treatment.
9.The KAPARD guidelines for atopic dermatitis in children and adolescents:Part II. Systemic treatment, novel therapeutics, and adjuvant therapy
Hwan Soo KIM ; Eun LEE ; Kyunghoon KIM ; Taek Ki MIN ; Dong In SUH ; Yoon Ha HWANG ; Sungsu JUNG ; Minyoung JUNG ; Young A PARK ; Minji KIM ; In Suk SOL ; You Hoon JEON ; Sung-Il WOO ; Yong Ju LEE ; Jong Deok KIM ; Hyeon-Jong YANG ; Gwang Cheon JANG ;
Allergy, Asthma & Respiratory Disease 2025;13(1):3-11
Atopic dermatitis is the most common chronic inflammatory skin disease in children and adolescents. The Korean Academy of Pediatric Allergy and Respiratory Disease published the Atopic Dermatitis Treatment Guideline in 2008, which has been helpful in atopic dermatitis treatment until now. Various reports on the development and effectiveness of new drugs have suggested that there is a need to develop and revise old treatment guidelines. Part 1 aimed to provide evidence-based recommendations for skin care management and topical treatment for atopic dermatitis. Part 2 focuses on systemic treatment, novel therapeutics, and adjuvant therapy. The goal of this guideline is intended to assist front-line doctors treating pediatric and adolescent atopic dermatitis patients make safer, more effective, and more rational decisions regarding systemic treatment, novel therapeutics, and adjuvant therapy by providing evidence-based recommendations with a clear level of evidence and benefit regarding treatment.
10.Characteristics and Prevalence of Sequelae after COVID-19: A Longitudinal Cohort Study
Se Ju LEE ; Yae Jee BAEK ; Su Hwan LEE ; Jung Ho KIM ; Jin Young AHN ; Jooyun KIM ; Ji Hoon JEON ; Hyeri SEOK ; Won Suk CHOI ; Dae Won PARK ; Yunsang CHOI ; Kyoung-Ho SONG ; Eu Suk KIM ; Hong Bin KIM ; Jae-Hoon KO ; Kyong Ran PECK ; Jae-Phil CHOI ; Jun Hyoung KIM ; Hee-Sung KIM ; Hye Won JEONG ; Jun Yong CHOI
Infection and Chemotherapy 2025;57(1):72-80
Background:
The World Health Organization has declared the end of the coronavirus disease 2019 (COVID-19) public health emergency. However, this did not indicate the end of COVID-19. Several months after the infection, numerous patients complain of respiratory or nonspecific symptoms; this condition is called long COVID. Even patients with mild COVID-19 can experience long COVID, thus the burden of long COVID remains considerable. Therefore, we conducted this study to comprehensively analyze the effects of long COVID using multi-faceted assessments.
Materials and Methods:
We conducted a prospective cohort study involving patients diagnosed with COVID-19 between February 2020 and September 2021 in six tertiary hospitals in Korea. Patients were followed up at 1, 3, 6, 12, 18, and 24 months after discharge. Long COVID was defined as the persistence of three or more COVID-19-related symptoms. The primary outcome of this study was the prevalence of long COVID after the period of COVID-19.
Results:
During the study period, 290 patients were enrolled. Among them, 54.5 and 34.6% experienced long COVID within 6 months and after more than 18 months, respectively. Several patients showed abnormal results when tested for post-traumatic stress disorder (17.4%) and anxiety (31.9%) after 18 months. In patients who underwent follow-up chest computed tomography 18 months after COVID-19, abnormal findings remained at 51.9%. Males (odds ratio [OR], 0.17; 95% confidence interval [CI], 0.05–0.53; P=0.004) and elderly (OR, 1.04; 95% CI, 1.00–1.09; P=0.04) showed a significant association with long COVID after 12–18 months in a multivariable logistic regression analysis.
Conclusion
Many patients still showed long COVID after 18 months post SARS-CoV-2 infection. When managing these patients, the assessment of multiple aspects is necessary.

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