1.Regenerative Therapies for Meniscus Lesions: Advancements in Biologic Augmentation Strategies, Meniscus Replacement Scaffolds, Cell Therapies, and Emerging Tissue Engineering Technologies
Jaehong LIM ; Sumin LIM ; Do Young PARK
The Journal of the Korean Orthopaedic Association 2024;59(6):375-385
The healing potential of the meniscus is limited because of the complex morphological features and insufficient blood supply. Various surgical procedures are used to treat meniscal lesions, such as partial meniscectomy, repair, and allograft transplantation. On the other hand, such strategies cannot fully regenerate and restore the morphology and functional aspects of the meniscus. This paper reviews the key aspects concerning meniscus regeneration, biological augmentation strategies, meniscus replacement scaffolds, cell therapies, and emerging tissue engineering technologies.
2.Regenerative Therapies for Meniscus Lesions: Advancements in Biologic Augmentation Strategies, Meniscus Replacement Scaffolds, Cell Therapies, and Emerging Tissue Engineering Technologies
Jaehong LIM ; Sumin LIM ; Do Young PARK
The Journal of the Korean Orthopaedic Association 2024;59(6):375-385
The healing potential of the meniscus is limited because of the complex morphological features and insufficient blood supply. Various surgical procedures are used to treat meniscal lesions, such as partial meniscectomy, repair, and allograft transplantation. On the other hand, such strategies cannot fully regenerate and restore the morphology and functional aspects of the meniscus. This paper reviews the key aspects concerning meniscus regeneration, biological augmentation strategies, meniscus replacement scaffolds, cell therapies, and emerging tissue engineering technologies.
3.Regenerative Therapies for Meniscus Lesions: Advancements in Biologic Augmentation Strategies, Meniscus Replacement Scaffolds, Cell Therapies, and Emerging Tissue Engineering Technologies
Jaehong LIM ; Sumin LIM ; Do Young PARK
The Journal of the Korean Orthopaedic Association 2024;59(6):375-385
The healing potential of the meniscus is limited because of the complex morphological features and insufficient blood supply. Various surgical procedures are used to treat meniscal lesions, such as partial meniscectomy, repair, and allograft transplantation. On the other hand, such strategies cannot fully regenerate and restore the morphology and functional aspects of the meniscus. This paper reviews the key aspects concerning meniscus regeneration, biological augmentation strategies, meniscus replacement scaffolds, cell therapies, and emerging tissue engineering technologies.
4.Growth Responses During 3 Years of Growth Hormone Treatment in Children and Adolescents With Growth Hormone Deficiency: Comparison Between Idiopathic, Organic and Isolated Growth Hormone Deficiency, and Multiple Pituitary Hormone Deficiency
Han Hyuk LIM ; Yoo Mi KIM ; Gyung Min LEE ; Jaehong YU ; Heon-Seok HAN ; Jeesuk YU
Journal of Korean Medical Science 2022;37(11):e90-
Background:
The study aimed to compare the growth responses to 3 years of growth hormone (GH) treatment in children and adolescents with GH deficiency (GHD) according to idiopathic, organic, isolated (IGHD), and multiple pituitary hormone deficiency (MPHD).
Methods:
Total 163 patients aged 2–18 years (100 males and 63 females; 131 idiopathic and 32 organic GHD; 129 IGHD and 34 MPHD) were included from data obtained from the LG Growth Study. Parameters of growth responses and biochemical results were compared during the 3-year GH treatment.
Results:
The baseline age, bone age (BA), height (Ht) standard deviation score (SDS), weight SDS, mid-parental Ht SDS, predicted adult Ht (PAH) SDS, and insulin like growth factor-1 (IGF-1) SDS were significantly higher in the organic GHD patients than in the idiopathic GHD patients, but peak GH on the GH-stimulation test, baseline GH dose, and mean 3-year-GH dosage were higher in the idiopathic GHD patients than in the organic GHD patients. The prevalence of MPHD was higher in the organic GHD patients than in the idiopathic GHD patients. Idiopathic MPHD subgroup showed the largest increase for the ΔHt SDS and ΔPAH SDS during GH treatment, and organic MPHD subgroup had the smallest mean increase after GH treatment, depending on ΔIGF-1 SDS and ΔIGF binding protein-3 (IGFBP-3) SDS.The growth velocity and the parental-adjusted Ht gain were greater in the idiopathic GHD patients than the organic GHD patients during the 3-year GH treatment, which may have been related to the different GH dose, ΔIGF-1 SDS, and ΔIGFBP-3 SDS between two groups.Multiple linear regression analysis revealed that baseline IGF-1 SDS, BA, and MPH SDS in idiopathic group and baseline HT SDS in organic group are the most predictable parameters for favorable 3-year-GH treatment.
Conclusion
The 3-year-GH treatment was effective in both idiopathic and organic GHD patients regardless of the presence of MPHD or underlying causes, but their growth outcomes were not constant with each other. Close monitoring along with appropriate dosage of GH and annual growth responses, not specific at baseline, are more important in children and adolescents with GHD for long-term treatment.
5.Analysis of Trends in Regulatory Science and Regulatory Science Experts Training Projects: US, Japan, Singapore, and Korea
Jaehong PARK ; Hocheol SHIN ; Jiwon KIM ; Minsu KIM ; In Gu DO ; Heeyeon LIM ; Jiwon LEE ; Yun-ji LEE ; Sun-Young JUNG ; Wonku KANG ; Hahyung KIM ; Young Wook CHOI ; Eunyoung KIM
Korean Journal of Clinical Pharmacy 2021;31(4):257-267
Background:
The need for regulatory science development to evaluate advanced regulatory products is gradually increasing without hindering the technological development. Creating a research environment and fostering experts through the establishment of regulatory agency-led policies are essential for the development of regulatory science. Method: This is a comparative study of the United States, Japan, Singapore, and Korea. The literature and websites of each regulatory agency were reviewed, and the focus was on advantages and comparing advantages based on definition, development trends, and expert training projects.
Results:
The United States is striving to develop regulatory science in response to changes in the new pharmaceutical industry through the regulatory science report, and to foster expert both inside and outside the Food and Drug Administration (FDA). Japan is promoting regulatory science centered on regulatory science centers, and is focusing on researching work-related regulatory science within the Pharmaceuticals and Medical Devices Agency (PMDA) and improving employees’ ability to make regulatory decisions. Singapore was aiming to improve Southeast Asia’s regulatory capabilities under the leadership of Centre of Regulatory Excellence (CoRE) within Duke-NUS University. In 2021, Korea is in its early stages, starting to run a university's degree program related to regulatory science this year.
Conclusion
Regulatory science should be developed with the aim of improving the regulatory ability of the Ministry of Food and Drug Safety with Korea’s independent concept of regulatory science.
6.Long-term results of oncoplastic breast surgery with latissimus dorsi flap reconstruction: a pilot study of the objective cosmetic results and patient reported outcome.
Kyeong Deok KIM ; Zisun KIM ; Jung Cheol KUK ; Jaehong JEONG ; Kyu Sung CHOI ; Sung Mo HUR ; Gui Ae JEONG ; Jun Chul CHUNG ; Gyu Seok CHO ; Eung Jin SHIN ; Hyung Chul KIM ; Sang Gue KANG ; Min Hyuk LEE ; Cheol Wan LIM
Annals of Surgical Treatment and Research 2016;90(3):117-123
PURPOSE: The goal of oncoplastic breast surgery is to restore the appearance of the breast and improve patient satisfaction. Thus, the assessment of cosmetic results and patient-reported outcomes (PROs) using appropriately constructed and validated instruments is essential. The aim of the present study was to assess the long-term objective cosmetic results and corresponding PROs after oncoplastic breast surgery. METHODS: Cosmetic results were assessed by the patients, a medical panel, and a computer program (BCCT.core). PROs were assessed using BREAST-Q, a questionnaire that measures the perception of patients having breast surgery. The cosmetic results and PROs were analyzed in patients who underwent quadrantectomy and partial breast reconstruction utilizing the latissimus dorsi flap. RESULTS: The mean duration of the follow-up period was 91.6 months (range, 33.3-171.0 months), and mean age of the patients was 51 years old (range, 33-72 years). The mean tumor size was 2.1 cm (range, 0.9-5.5 cm). There was fair agreement between the medical panel and BCCT.core score (K = 0.32, P < 0.001), and a statistically significant correlation between the BCCT.core score and medical panel cosmetic results was identified (r = 0.606, P < 0.001). A better BCCT.core result was related to a higher PRO of each BREAST-Q domain-satisfaction with breasts (R2 = 0.070, P = 0.039), satisfaction with outcome (R2 = 0.087, P = 0.021), psychosocial well-being (R2 = 0.085, P = 0.023), sexual well-being (R2 = 0.082, P = 0.029), and satisfaction with information (R2 = 0.064, P = 0.049). CONCLUSION: Our long-term results of oncoplastic surgery achieved a high level of patient satisfaction with good cosmetic results. The medical panel and BCCT.core results correlated well with the PROs of the patients using valid, reliable, and procedure-specific measures.
Breast*
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Female
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Follow-Up Studies
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Humans
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Mammaplasty
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Patient Satisfaction
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Pilot Projects*
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Quality of Life
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Superficial Back Muscles*
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Surgical Flaps