Journal of Yeungnam Medical Science

Communications

Medical Informatics
Emerging technologies in the field of medicine presented at the Consumer Electronics Show 2025: Jong-Ryul Yang, Min Cheol Chang; J Yeungnam Med Sci. 2025;42:31. Published online April 1, 2025; DOI: https://doi.org/10.12701/jyms.2025.42.31 [Epub ahead of print]

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Abstract PDF: The Consumer Electronics Show 2025 highlighted innovative technologies with considerable potential for healthcare, particularly artificial intelligence (AI) and sensor technologies. Notable advances that were showcased included products that leverage AI to personalize health management, such as devices capable of recommending binaural beat stimulation, analyzing speech patterns to detect language impairment, and predicting blood pressure through sleep data analysis. AI applications to enhance sleep quality, reduce snoring, and assess the caloric content of children’s meals were presented. However, the accuracy of these products remains inadequate for clinical use, which limits their applications in community settings. This showcase also featured advances in both contact and noncontact sensor technologies. Contact-type sensors, such as wearable rings and sensors designed to measure vital signs, including pulse rate, blood glucose, and blood pressure, have been developed to mitigate discomfort while maintaining high accuracy. Noncontact sensors employing radar and remote photoplethysmography technologies have further demonstrated promise for vital sign monitoring without physical contact, although maintaining accuracy during movement remains a challenge. AI integration with sensors was further demonstrated by the development of an electronic stethoscope utilizing microelectromechanical systems and deep learning algorithms to facilitate the perception of heart and breath sounds, emulating the functionality of conventional stethoscopes. Furthermore, advances in laser-based blood glucose monitoring and wearable robotic belts designed to assist gait have underscored the progress in devices aimed at enhancing patient care and daily living. These technologies hold considerable potential to profoundly transform healthcare systems, particularly in home and community settings.

Resident fellow section: Clinical vignette

Physical therapy, Sports Therapy, and Rehabilitation
A 30-year-old male patient who experienced recurring weakness in bilateral upper and lower extremities: a clinical vignette: Soo Hyun Ahn, Mathieu Boudier-Revéret, Seoyon Yang, Min Cheol Chang; J Yeungnam Med Sci. 2025;42:27. Published online February 17, 2025; DOI: https://doi.org/10.12701/jyms.2025.42.27

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Communications

Physical therapy, Sports Therapy, and Rehabilitation
Differences in pain treatment between the healthcare systems in South Korea and Quebec and proposals for improvements: Min Cheol Chang, Mathieu Boudier-Revéret; J Yeungnam Med Sci. 2025;42:16. Published online December 18, 2024; DOI: https://doi.org/10.12701/jyms.2024.01410

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Abstract PDF: After a year of exchange in Montreal, a South Korean academic physiatrist and his Canadian colleague have reflected on the strengths and weaknesses of their respective healthcare systems. They have focused more specifically on physiatrist-delivered pain medicine treatments. This article is written based on personal perspectives. It aims to present the differences between the systems in South Korea and Quebec, highlighting the issues arising from each system and providing perspectives on potential solutions.

Case report

Medical Informatics
Development of an automated foot contact area measurement program for podoscopes using ChatGPT-4: a case report: Min Cheol Chang; J Yeungnam Med Sci. 2025;42:13. Published online December 3, 2024; DOI: https://doi.org/10.12701/jyms.2024.01326

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Abstract PDF: Accurate measurement of the foot contact area is crucial for diagnosing pes planus (flatfoot) and pes cavus (high arch), which significantly affect pressure distribution across the plantar surface. This study aimed to develop a program using ChatGPT-4 to automate foot contact area measurements using a podoscope, thereby enhancing diagnostic precision. A 53-year-old female volunteer stood on a podoscope to capture images of her feet, which were processed to isolate the foot contours and measure the contact areas. A program developed utilizing ChatCPT-4 was designed to outline the feet, detect contact areas, and calculate their sizes and ratios. The results demonstrated clear visualization of foot contours with automated calculation of the contact area and its ratio to the total foot area. The entire foot area measured 1,091,381.00 pixels, with a contact area of 604,252.50 pixels. The ratio of the ground contact area to the entire foot area was calculated as 55.37%. This method, which employs advanced image-processing techniques powered by ChatGPT-4, demonstrates the potential for integrating artificial intelligence into clinical applications. This approach could improve diagnostic precision and patient outcomes through personalized treatment strategies.

Communications

Physical therapy, Sports Therapy, and Rehabilitation
The applicability of noncontact sensors in the field of rehabilitation medicine: Yoo Jin Choo, Jun Sung Moon, Gun Woo Lee, Wook-Tae Park, Min Cheol Chang; J Yeungnam Med Sci. 2024;41(1):53-55. Published online December 26, 2023; DOI: https://doi.org/10.12701/jyms.2023.01144

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Abstract PDF

A noncontact sensor field is an innovative device that can detect, measure, or monitor physical properties or conditions without direct physical contact with the subject or object under examination. These sensors use a variety of methods, including electromagnetic, optical, and acoustic technique, to collect information about the target without physical interaction. Noncontact sensors find wide-ranging applications in various fields such as manufacturing, robotics, automobiles, security, environmental monitoring, space industry, agriculture, and entertainment. In particular, they are used in the medical field, where they provide continuous monitoring of patient conditions and offer opportunities in rehabilitation medicine. This article introduces the potential of noncontact sensors in the field of rehabilitation medicine.

Citations

Citations to this article as recorded by

Application of noncontact sensors for cardiopulmonary physiology and body weight monitoring at home: A narrative review
Yoo Jin Choo, Jun Sung Moon, Gun Woo Lee, Wook-Tae Park, Heeyeon Won, Min Cheol Chang
Medicine.2024; 103(36): e39607. CrossRef
Thinking machines: artificial intelligence in rehabilitation and beyond
Massimiliano Polastri
International Journal of Therapy and Rehabilitation.2024; 31(10): 1. CrossRef

Communications

Physical therapy, Sports Therapy, and Rehabilitation
Algorithm for multimodal medication therapy in patients with complex regional pain syndrome: Min Cheol Chang, Donghwi Park; J Yeungnam Med Sci. 2023;40(Suppl):S125-S128. Published online July 12, 2023; DOI: https://doi.org/10.12701/jyms.2023.00360

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Abstract PDF

Complex regional pain syndrome (CRPS), previously known as reflex sympathetic dystrophy and causalgia, is a clinical entity characterized by classic neuropathic pain, autonomic involvement, motor symptoms, and trophic changes in the skin, nails, and hair. Although various therapeutic modalities are used to control CRPS-related pain, severe pain due to CRPS often persists and progresses to the chronic phase. In this study, we constructed an algorithm for multimodal medication therapy for CRPS based on the established pathology of CRPS. Oral steroid pulse therapy is recommended for initial pain management in patients with CRPS. Oral steroid therapy can reduce peripheral and central neuroinflammation, contributing to the development of neuropathic pain during the acute and chronic phases. If steroid pulse therapy offers poor relief or is ineffective, treatment to control central sensitization in the chronic phase should be initiated. If pain persists despite all drug adjustments, ketamine with midazolam 2 mg before and after ketamine injection can be administered intravenously to inhibit the N-methyl D-aspartate receptor. If this treatment fails to achieve sufficient efficacy, intravenous lidocaine can be administered for 2 weeks. We hope that our proposed drug treatment algorithm to control CRPS pain will help clinicians appropriately treat patients with CRPS. Further clinical studies assessing patients with CRPS are warranted to establish this treatment algorithm in clinical practice.

Citations

Citations to this article as recorded by

Experience from a single-center study on multimodal medication therapy for patients with complex regional pain syndrome
Donghwi Park, Jin-Woo Choi, Min Cheol Chang
Journal of Back and Musculoskeletal Rehabilitation.2024; 37(3): 687. CrossRef
Problems of diagnosis and treatment of chronic pain syndrome in patients with variants of the structure of peripheral nerves. A series of clinical cases
Al'bert R. Bulatov, Tatyana A. Kolesnik, Александра A. Boykova, Igor' V. Litvinenko, Nikolay V. Tsygan
Russian Military Medical Academy Reports.2023; 42(4): 413. CrossRef

Physical therapy, Sports Therapy, and Rehabilitation
Some suggestions for pain physicians working in real-world clinical settings: Jung Hwan Lee, Min Cheol Chang; J Yeungnam Med Sci. 2023;40(Suppl):S123-S124. Published online May 23, 2023; DOI: https://doi.org/10.12701/jyms.2023.00255

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Abstract PDF

Musculoskeletal pain is a common reason for patients visiting hospitals or clinics. Various therapeutic tools including oral medications, physical modalities, and procedures have been used to alleviate musculoskeletal pain. Numerous clinical trials have been conducted to demonstrate the therapeutic effect of each treatment and compare the efficacy of different protocols. These trials were conducted under controlled conditions with specific endpoints and timeframes, and the individual constraints of each patient were not considered. We believe that the findings of such studies may not accurately reflect clinical reality in real-world settings. In this article, we propose treatment principles for patients in pain clinics. We propose two principles for pain treatment: first, “Healing, in the end, is not healing.” and second, “The patient’s job is not a patient.” The main role of pain physicians is to quickly and actively reduce pain and help patients focus on their work and lives.

Citations

Citations to this article as recorded by

Protocol for lower back pain management: Insights from the French healthcare system
Lea Evangeline Boyer, Mathieu Boudier-Revéret, Min Cheol Chang
World Journal of Clinical Cases.2024; 12(11): 1875. CrossRef
Effectiveness of transcranial alternating current stimulation for controlling chronic pain: a systematic review
Min Cheol Chang, Marie-Michèle Briand, Mathieu Boudier-Revéret, Seoyon Yang
Frontiers in Neurology.2023;[Epub] CrossRef

Resident fellow section: Clinical vignette

Physical therapy, Sports Therapy, and Rehabilitation
Differential diagnosis of suddenly developed motor weakness in bilateral lower extremities of a 79-year-old male patient: Seong Yeob Kwak, Mathieu Boudier-Revéret, Min Cheol Chang; J Yeungnam Med Sci. 2023;40(4):457-460. Published online January 9, 2023; DOI: https://doi.org/10.12701/jyms.2022.00787

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PDF Supplementary Material

Resident fellow section: Teaching images

Musculoskeletal Disorders
A 40-year-old man with neuropathic pain in the entire left foot: Jae Hwa Bae, Mathieu Boudier-Revéret, Min Cheol Chang; J Yeungnam Med Sci. 2023;40(2):223-224. Published online August 30, 2022; DOI: https://doi.org/10.12701/jyms.2022.00486

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Original articles

Medical Education
Effects of early clinical and basic laboratory exposure program on premedical students: a questionnaire survey: Kyu Hyang Cho, Hyun Sook Ko, Kyung Hee Lee, Tae-Yoon Hwang, Keun-Mi Lee, Sae Yoon Kim, Min Cheol Chang; J Yeungnam Med Sci. 2022;39(4):309-313. Published online July 20, 2022; DOI: https://doi.org/10.12701/jyms.2022.00318

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Abstract PDF: Background
Because premed students do not take courses related to medicine during their first 2 years, they cannot establish their identity as students at medical schools, making it difficult for them to set goals as future doctors. We conducted an early clinical and basic laboratory exposure program for premed students and studied the effects of the program and student satisfaction levels.
Methods
We performed an early clinical and basic laboratory exposure program for premed students for 2 days and evaluated the effects of the program and student satisfaction with it. The program consisted of two types: type 1, where two to four students formed a group, which was assigned to a particular department to participate and make observations during ward rounds, outpatient clinics, examinations, procedures, and surgeries (in the case of basic laboratory work, the students partook in experimental observations); and type 2, where one student followed a medical school professor to observe the professor’s day. After the program ended, an online survey was conducted to investigate the effects on students, their thoughts, and satisfaction levels.
Results
In total, 114 students (91.2%) responded to the survey. Approximately 94% of them were satisfied with the program. They found that the program would be useful for deciding on future career paths, gaining knowledge about a department of interest, studying for a medical program after premedical studies, and befriending residents and professors in certain departments.
Conclusion
Early clinical and basic laboratory exposure programs are recommended for premedical students.

Pediatrics, Perinatology, and Child Health
Pediatricians’ perception of factors concerning the clinical application of blockchain technology to pediatric health care: a questionnaire survey: Yong Sauk Hau, Min Cheol Chang, Jae Chan Park, Young Joo Lee, Seong Su Kim, Jae Min Lee; J Yeungnam Med Sci. 2023;40(2):156-163. Published online July 18, 2022; DOI: https://doi.org/10.12701/jyms.2022.00241

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Abstract PDF Supplementary Material: Background
Interest in digital medical information has increased because it allows doctors to easily access a patient’s medical records and provide appropriate medical care. Blockchain technology ensures data safety, reliability, integrity, and transparency by distributing medical data to all users over a peer-to-peer network. This study attempted to assess pediatricians’ thoughts and attitudes toward introducing blockchain technology into the medical field.
Methods
This study used a questionnaire survey to examine the thoughts and attitudes of 30- to 60-year-old pediatricians regarding the introduction of blockchain technology into the medical field. Responses to each item were recorded on a scale ranging from 1 (never agree) to 7 (completely agree).
Results
The scores for the intentions and expectations of using blockchain technology were 4.0 to 4.6. Pediatricians from tertiary hospitals responded more positively (4.5–4.9) to the idea of using blockchain technology for hospital work relative to the general population (4.3–4.7). However, pediatricians working in primary and secondary hospitals had a slightly negative view of the application of blockchain technology to hospital work (p=0.018).
Conclusion
When introducing the medical records of related pediatric and adolescent patients using blockchain technology in the future, it would be better to conduct a pilot project that prioritizes pediatricians in tertiary hospitals. The cost, policy, and market participants’ perceptions are essential factors to consider when introducing technology in the medical field.

Editorial

The blind spot and challenges in pain management: Min Cheol Chang; J Yeungnam Med Sci. 2022;39(3):179-180. Published online June 9, 2022; DOI: https://doi.org/10.12701/jyms.2022.00339

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Citations

Citations to this article as recorded by

Deep-Learning Algorithms for Prescribing Insoles to Patients with Foot Pain
Jeoung Kun Kim, Yoo Jin Choo, In Sik Park, Jin-Woo Choi, Donghwi Park, Min Cheol Chang
Applied Sciences.2023; 13(4): 2208. CrossRef
Effectiveness of transcranial alternating current stimulation for controlling chronic pain: a systematic review
Min Cheol Chang, Marie-Michèle Briand, Mathieu Boudier-Revéret, Seoyon Yang
Frontiers in Neurology.2023;[Epub] CrossRef
Use of QR Codes for Promoting a Home-Based Therapeutic Exercise in Patients with Lumbar Disc Herniation and Lumbar Spinal Stenosis: A Prospective Randomized Study
Min Cheol Chang, Donghwi Park, Yoo Jin Choo
Journal of Pain Research.2022; Volume 15: 4065. CrossRef

Focused Review articles

Anesthesiology and Pain Medicine
Ultrasound-guided interventions for controlling the thoracic spine and chest wall pain: a narrative review: Donghwi Park, Min Cheol Chang; J Yeungnam Med Sci. 2022;39(3):190-199. Published online April 26, 2022; DOI: https://doi.org/10.12701/jyms.2022.00192

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Abstract PDF

Ultrasound-guided injection is useful for managing thoracic spine and chest wall pain. With ultrasound, pain physicians perform the injection with real-time viewing of major structures, such as the pleura, vasculature, and nerves. Therefore, the ultrasound-guided injection procedure not only prevents procedure-related adverse events but also increases the accuracy of the procedure. Here, ultrasound-guided interventions that could be applied for thoracic spine and chest wall pain were described. We presented ultrasound-guided thoracic facet joint and costotransverse joint injections and thoracic paravertebral, intercostal nerve, erector spinae plane, and pectoralis and serratus plane blocks. The indication, anatomy, Sonoanatomy, and technique for each procedure were also described. We believe that our article is helpful for clinicians to conduct ultrasound-guided injections for controlling thoracic spine and chest wall pain precisely and safely.

Citations

Citations to this article as recorded by

Spine Pain
Vernon B. Williams
CONTINUUM: Lifelong Learning in Neurology.2024; 30(5): 1344. CrossRef
The blind spot and challenges in pain management
Min Cheol Chang
Journal of Yeungnam Medical Science.2022; 39(3): 179. CrossRef

Anesthesiology and Pain Medicine
The mechanism of action of pulsed radiofrequency in reducing pain: a narrative review: Donghwi Park, Min Cheol Chang; J Yeungnam Med Sci. 2022;39(3):200-205. Published online April 7, 2022; DOI: https://doi.org/10.12701/jyms.2022.00101

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Abstract PDF

Pain from nervous or musculoskeletal disorders is one of the most common complaints in clinical practice. Corticosteroids have a high pain-reducing effect, and their injection is generally used to control various types of pain. However, they have various adverse effects including flushing, hyperglycemia, allergic reactions, menstrual changes, immunosuppression, and adrenal suppression. Pulsed radiofrequency (PRF) is known to have a pain-reducing effect similar to that of corticosteroid injection, with nearly no major side effects. Therefore, it has been widely used to treat various types of pain, such as neuropathic, joint, discogenic, and muscle pain. In the current review, we outlined the pain-reducing mechanisms of PRF by reviewing previous studies. When PRF was first introduced, it was supposed to reduce pain by long-term depression of pain signaling from the peripheral nerve to the central nervous system. In addition, deactivation of microglia at the level of the spinal dorsal horn, reduction of proinflammatory cytokines, increased endogenous opioid precursor messenger ribonucleic acid, enhancement of noradrenergic and serotonergic descending pain inhibitory pathways, suppression of excitation of C-afferent fibers, and microscopic damage of nociceptive C- and A-delta fibers have been found to contribute to pain reduction after PRF application. However, the pain-reducing mechanism of PRF has not been clearly and definitely elucidated. Further studies are warranted to clarify the pain-reducing mechanism of PRF.

Citations

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Effect of pulsed radiofrequency to the suprascapular nerve (SSN) in treating frozen shoulder pain: A randomised controlled trial
Ghada Mohammad Abo Elfadl, Ayman Mamdouh Osman, Yasmeen Alaa-Eldeen Elmasry, Sherif Sayed Abdelraheem, Manal Hassanien
Journal of Perioperative Practice.2025; 35(1-2): 4. CrossRef
Prospective study on a new combination of pulsed radiofrequency and platelet-rich plasma injections for managing grade I lumbosacral spondylolisthesis
Viet-Thang Le, Dung Tuan Hoang Bui, Phuoc Trong Do
Scientific Reports.2025;[Epub] CrossRef
Pharmacological and interventional treatment of phantom pain
Vadym V. Biloshytsky, Maryna V. Biloshytska
Ukrainian Neurosurgical Journal.2025; 31(1): 3. CrossRef
A narrative review of pulsed radiofrequency for the treatment of carpal tunnel syndrome
Himanshu Gupta, Colm Vance, Vishal Bansal, Ahilraj Siva
Pain Practice.2024; 24(2): 374. CrossRef
Pulsed Radiofrequency for Auriculotemporal Neuralgia: A Case Report
Yan Tereshko, Enrico Belgrado, Christian Lettieri, Simone Dal Bello, Giovanni Merlino, Gian Luigi Gigli, Mariarosaria Valente
Neurology International.2024; 16(2): 349. CrossRef
Transforaminal pulsed radiofrequency and epidural steroid injection on chronic lumbar radiculopathy: A prospective observational study from a tertiary care hospital in Vietnam
Viet-Thang Le, Phuoc Trong Do, Vu Duc Nguyen, Luan Trung Nguyen Dao, Ipek Saadet Edipoglu
PLOS ONE.2024; 19(4): e0292042. CrossRef
Pulsed Radiofrequency Ablation for Refractory Cancer-Related Leg Pain: A Case Report
Praveen Reddy Elmati, Tyler J Wilkinson, Alexander Bautista
Cureus.2024;[Epub] CrossRef
Anatomo-physiological basis and applied techniques of electrical neuromodulation in chronic pain
Giusy Guzzi, Attilio Della Torre, Andrea Bruni, Angelo Lavano, Vincenzo Bosco, Eugenio Garofalo, Domenico La Torre, Federico Longhini
Journal of Anesthesia, Analgesia and Critical Care.2024;[Epub] CrossRef
Radiofrecuencia del nervio supraescapular como estrategia analgésica para el dolor crónico de hombro. Revisión sistemática y metaanálisis
J. Sebastián Infante, N. Blackburn, J. Felipe Vargas
Revista Española de Anestesiología y Reanimación.2024; 71(9): 678. CrossRef
Radiofrequency of suprascapular nerve as an analgesic strategy for chronic pain management. Systematic review and meta-analysis
J. Sebastián Infante, N. Blackburn, J. Felipe Vargas
Revista Española de Anestesiología y Reanimación (English Edition).2024; 71(9): 678. CrossRef
Transforaminal Steroid Injection After Dorsal Root Ganglion Pulsed Radiofrequency (DRG-PRF): Impact on Pain Intensity and Disability
Matteo Luigi Giuseppe Leoni, Fabrizio Micheli, David Michael Abbott, Marco Cascella, Giustino Varrassi, Pasquale Sansone, Roberto Gazzeri, Monica Rocco, Marco Mercieri
Pain and Therapy.2024; 13(5): 1271. CrossRef
Efficacy and Safety of Pulsed Radiofrequency of Dorsal Root Ganglion in Elderly Patient Population With Acute and Subacute Zoster‐Related Pain
Gözde Dağıstan, Serdar Erdine, Massimiliano Valeriani
Pain Research and Management.2024;[Epub] CrossRef
Effectiveness of combining greater occipital nerve block and pulsed radiofrequency treatment in patients with chronic migraine: a double-blind, randomized controlled trial
Tuba Tanyel Saraçoğlu, Ayten Bılır, Mehmet Sacit Güleç
Head & Face Medicine.2024;[Epub] CrossRef
Two-Centre Retrospective Analysis on Selective Sensory Denervation of Shoulder Joint by Means of Cooled Radiofrequency in Chronic Shoulder Pain
Carola Santi, Thomas Haag, Christian Cooke, Michael Schatman, Andrea Tinnirello
Journal of Pain Research.2024; Volume 17: 3139. CrossRef
A central and peripheral dual neuromodulation strategy in pain management of zoster-associated pain
Xuelian Li, Huaxiang Zhang, Xu Zhang, Ke Ma, Yan Lv, Tao Song, Gangwen Guo, Dong Huang
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Indonesian Journal of Anesthesiology and Reanimation.2024; 6(1): 32. CrossRef
The efficacy of ultrasound-guided pulsed radiofrequency in the treatment of primary glossopharyngeal neuralgia
Fubo Li, Hongcheng Lu, Gege Gong, Cehua Ou, Yue Zhang
Frontiers in Neurology.2024;[Epub] CrossRef
A Case of Postherpetic Itch Effectively Treated With Pulsed Radiofrequency Therapy
Hiroki Nakamura, Ikuo Uekita, Keiji Hashizume
Cureus.2024;[Epub] CrossRef
Comparison of two distinct needle tip positions in pulsed radiofrequency for herpes zoster‐related pain
Shao‐jun Li, Dan Feng
CNS Neuroscience & Therapeutics.2023; 29(7): 1881. CrossRef
Previous Lumbar Spine Surgery Decreases the Therapeutic Efficacy of Dorsal Root Ganglion Pulsed Radiofrequency in Patients with Chronic Lumbosacral Radicular Pain
Jiri Jandura, Milan Vajda, Roman Kostysyn, Jiri Vanasek, Eva Cermakova, Jan Zizka, Pavel Ryska
Journal of Personalized Medicine.2023; 13(7): 1054. CrossRef
Spinal Injections: A Narrative Review from a Surgeon’s Perspective
Dong Ah Shin, Yoo Jin Choo, Min Cheol Chang
Healthcare.2023; 11(16): 2355. CrossRef
Pulsed Radiofrequency 2 Hz Preserves the Dorsal Root Ganglion Neuron Physiological Ca2+ Influx, Cytosolic ATP Level, Δψm, and pERK Compared to 4 Hz: An Insight on the Safety of Pulsed Radiofrequency in Pain Management
Ristiawan Muji Laksono, Taufiq Agus Siswagama, Fa'urinda Riam Prabu Nery, Walter van der Weegen, Willy Halim
Journal of Pain Research.2023; Volume 16: 3643. CrossRef
Summary of the 48th KORSIS Symposium in 2023
Min Cheol Chang
International journal of Pain.2023; 14(2): 96. CrossRef
The blind spot and challenges in pain management
Min Cheol Chang
Journal of Yeungnam Medical Science.2022; 39(3): 179. CrossRef
Use of QR Codes for Promoting a Home-Based Therapeutic Exercise in Patients with Lumbar Disc Herniation and Lumbar Spinal Stenosis: A Prospective Randomized Study
Min Cheol Chang, Donghwi Park, Yoo Jin Choo
Journal of Pain Research.2022; Volume 15: 4065. CrossRef

Communication

Infectious Disease
The pros and cons of entry restrictions: are entry restrictions really effective in preventing the spread of SARS-CoV-2?: Donghwi Park, Mathieu Boudier-Revéret, Min Cheol Chang; J Yeungnam Med Sci. 2022;39(4):344-346. Published online January 14, 2022; DOI: https://doi.org/10.12701/yujm.2021.01599

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Abstract PDF

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has rapidly spread worldwide, leading the World Health Organization to declare coronavirus disease 2019 (COVID-19) a pandemic. To curb the unchecked spread of SARS-CoV-2 infection, most countries have enforced travel restrictions. However, it is debatable whether such restrictions are effective in containing infections and preventing pandemics. Rather, they may negatively impact economies and diplomatic relationships. Each government should conduct an extensive and appropriate analysis of its national economy, diplomatic status, and COVID-19 preparedness to decide whether it is best to restrict entering travelers. Even if travelers from other countries are allowed entry, extensive contact tracing is required to prevent the spread of COVID-19. In addition, governments can implement “travel bubbles,” which allow the quarantine-free flow of people among countries with relatively low levels of community transmission. An accurate evaluation of the benefits and losses due to entry restrictions during the COVID-19 pandemic would be helpful in determining whether entry restrictions are an effective measure to reduce the spread of infection in future pandemics.

Citations

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“Exceptionally challenging time for all of us”: Qualitative study of the COVID-19 experiences of partners of diplomatic personnel
Samantha K. Brooks, Dipti Patel, Neil Greenberg, Joseph Adu
PLOS ONE.2023; 18(11): e0293557. CrossRef

Image vignette

Physical therapy, Sports Therapy, and Rehabilitation
Tarsal tunnel syndrome due to talocalcaneal coalition: Chul Hyun Park, Mathieu Boudier-Revéret, Min Cheol Chang; J Yeungnam Med Sci. 2023;40(1):106-108. Published online October 5, 2021; DOI: https://doi.org/10.12701/yujm.2021.01473

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Citations

Citations to this article as recorded by

Deep-Learning Algorithms for Prescribing Insoles to Patients with Foot Pain
Jeoung Kun Kim, Yoo Jin Choo, In Sik Park, Jin-Woo Choi, Donghwi Park, Min Cheol Chang
Applied Sciences.2023; 13(4): 2208. CrossRef

Original article

Physical therapy, Sports Therapy, and Rehabilitation
Storing information of stroke rehabilitation patients using blockchain technology: a software study: Min Cheol Chang; J Yeungnam Med Sci. 2022;39(2):98-107. Published online September 7, 2021; DOI: https://doi.org/10.12701/yujm.2021.01368

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Abstract PDF

Background
Stroke patients usually experience damage to multiple functions and a long rehabilitation period. Hence, there is a large volume of patient clinical information. It thus takes a long time for clinicians to identify the patient’s information and essential pieces of information may be overlooked. To solve this, we stored the essential clinical information of stroke patients in a blockchain and implemented the blockchain technology using the Java programming language.
Methods
We created a mini blockchain to store the medical information of patients using the Java programming language.
Results
After generating a unique pair of public/private keys for identity verification, a patient’s identity is verified by applying the Elliptic Curve Digital Signature Algorithm based on the generated keys. When the identity verification is complete, new medical data are stored in the transaction list and the generated transaction is verified. When verification is completed normally, the block hash value is derived using the transaction value and the hash value of the previous block. The hash value of the previous block is then stored in the generated block to interconnect the blocks.
Conclusion
We demonstrated that blockchain can be used to store and deliver the patient information of stroke patients. It may be difficult to directly implement the code that we developed in the medical field, but it can serve as a starting point for the creation of a blockchain system to be used in the field.

Citations

Citations to this article as recorded by

Prediction of motor outcome based on brain perfusion single photon emission computed tomography in corona radiata infarct
Eunjung Kong, Donghwi Park, Min Cheol Chang
International Journal of Neuroscience.2024; 134(12): 1470. CrossRef
Use of QR Codes for Promoting a Home-Based Therapeutic Exercise in Patients with Lumbar Disc Herniation and Lumbar Spinal Stenosis: A Prospective Randomized Study
Min Cheol Chang, Donghwi Park, Yoo Jin Choo
Journal of Pain Research.2022; Volume 15: 4065. CrossRef

Case reports

Physical therapy, Sports Therapy, and Rehabilitation
Serotonin syndrome in a patient with chronic pain taking analgesic drugs mistaken for psychogenic nonepileptic seizure: a case report: Mathieu Boudier-Revéret, Min Cheol Chang; Yeungnam Univ J Med. 2021;38(4):371-373. Published online April 5, 2021; DOI: https://doi.org/10.12701/yujm.2021.00948

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Abstract PDF Supplementary Material

Serotonin syndrome (SS) is a potentially life-threatening condition that is caused by the administration of drugs that increase serotonergic activity in the central nervous system. We report a case of serotonin syndrome in a patient with chronic pain who was taking analgesic drugs. A 36-year-old female with chronic pain in the lower back and right buttock area had been taking tramadol hydrochloride 187.5 mg, acetaminophen 325 mg, pregabalin 150 mg, duloxetine 60 mg, and triazolam 0.25 mg daily for several months. After amitriptyline 10 mg was added to achieve better pain control, the patient developed SS, which was mistaken for psychogenic nonepileptic seizure. However, her symptoms completely disappeared after discontinuation of the drugs that were thought to trigger SS and subsequent hydration with normal saline. Various drugs that can increase serotonergic activity are being widely prescribed for patients with chronic pain. Clinicians should be aware of the potential for the occurrence of SS when prescribing pain medications to patients with chronic pain.

Citations

Citations to this article as recorded by

Diagnosis and treatment of serotonin syndrome
Je Sung You, Sung Phil Chung
Journal of The Korean Society of Clinical Toxicology.2024; 22(2): 11. CrossRef

Musculoskeletal Disorders
Ultrasonographic and magnetic resonance images of a gluteus maximus tear: Jong Bum Kim, Wonho Lee, Min Cheol Chang; Yeungnam Univ J Med. 2021;38(2):157-159. Published online July 31, 2020; DOI: https://doi.org/10.12701/yujm.2020.00500

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Abstract PDF

The diagnosis of a gluteal muscle tear or strain is based on clinical findings. However, for an accurate diagnosis, imaging examinations are also needed. Herein, we describe the case of a patient with a gluteus maximus muscle tear confirmed by ultrasonography (US) and magnetic resonance imaging (MRI). A 58-year-old woman complained of dull pain in the left lateral gluteal region that she had been experiencing for 8 days. In the axial US image, retraction of the left gluteus maximus muscle was noted around its insertion site in the iliotibial band. On an MRI, a partial tear in the left gluteus maximus was observed at its insertion site in the left iliotibial band. In addition, fluid infiltration due to edema and hemorrhage was observed. A partial left gluteal muscle tear was diagnosed. The patient was treated with physical therapy at the involved region and oral analgesics. She reported relief from the pain after 1 month of treatment. Based on this experience, we recommend US or MRI for accurate diagnosis of muscle tear or strain.

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Gluteus Maximus Distal Myotendinous Junction Tear in a Pickleball Player: A Case Report
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Essentials of thoracic outlet syndrome: A narrative review
Min Cheol Chang, Du Hwan Kim
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Review articles

Physical therapy, Sports Therapy, and Rehabilitation
Effectiveness of orthoses for treatment in patients with spinal pain: Yoo Jin Choo, Min Cheol Chang; Yeungnam Univ J Med. 2020;37(2):84-89. Published online March 24, 2020; DOI: https://doi.org/10.12701/yujm.2020.00150

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193 Download
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Abstract PDF

Spinal pain is a common patient complaint in clinical practice. Conservative treatment methods include oral medication, physical therapy, injections, and spinal orthoses. The clinical application of orthoses is debated because of potential complications associated with long-term use, such as muscle weakness and joint contracture. We reviewed the orthoses most frequently used to manage spinal pain. We review the use of soft cervical and Philadelphia collars, lumbosacral corsets, and thoracolumbosacral orthosis to manage spinal pain. Spinal orthoses can help reduce pain by protecting the muscles and joints of the injured spinal region, preventing or correcting malformations, and limiting trunk flexion, extension, lateral flexion, and rotation. The short-term use of spinal orthoses is known to improve pain and disability during the treatment period without significant adverse effects. Spinal orthoses are expected to alleviate pain and improve patients’ lifestyle.

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E. G. Przhiyalkovskaya, N. G. Mokrysheva, E. A. Troshina, G. A. Melnichenko, I. I. Dedov, M. B. Antsiferov, L. I. Astafieva, T. P. Bardymova, Zh. E. Belaya, G. R. Vagapova, S. Yu. Vorotnikova, A. Yu. Grigoriev, E. N. Grineva, L. K. Dzeranova, I. A. Ilovai
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Orthopedics and Sports Medicine
Forefoot disorders and conservative treatment: Chul Hyun Park, Min Cheol Chang; Yeungnam Univ J Med. 2019;36(2):92-98. Published online May 14, 2019; DOI: https://doi.org/10.12701/yujm.2019.00185

20,748 View
520 Download
43 Crossref

Abstract PDF

Forefoot disorders are often seen in clinical practice. Forefoot deformity and pain can deteriorate gait function and decrease quality of life. This review presents common forefoot disorders and conservative treatment using an insole or orthosis. Metatarsalgia is a painful foot condition affecting the metatarsal (MT) region of the foot. A MT pad, MT bar, or forefoot cushion can be used to alleviate MT pain. Hallux valgus is a deformity characterized by medial deviation of the first MT and lateral deviation of the hallux. A toe spreader, valgus splint, and bunion shield are commonly applied to patients with hallux valgus. Hallux limitus and hallux rigidus refer to painful limitations of dorsiflexion of the first metatarsophalangeal joint. A kinetic wedge foot orthosis or rocker sole can help relieve symptoms from hallux limitus or rigidus. Hammer, claw, and mallet toes are sagittal plane deformities of the lesser toes. Toe sleeve or padding can be applied over high-pressure areas in the proximal or distal interphalangeal joints or under the MT heads. An MT off-loading insole can also be used to alleviate symptoms following lesser toe deformities. Morton’s neuroma is a benign neuroma of an intermetatarsal plantar nerve that leads to a painful condition affecting the MT area. The MT bar, the plantar pad, or a more cushioned insole would be useful. In addition, patients with any of the above various forefoot disorders should avoid tight-fitting or high-heeled shoes. Applying an insole or orthosis and wearing proper shoes can be beneficial for managing forefoot disorders.

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