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JYMS : Journal of Yeungnam Medical Science

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17 "Min Cheol Chang"
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Communications
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
  • 442 View
  • 38 Download
AbstractAbstract 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.
Communications
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
  • 975 View
  • 82 Download
  • 2 Crossref
AbstractAbstract 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  
  • 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
  • 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.2023; : 1.     CrossRef
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
  • 567 View
  • 31 Download
  • 1 Crossref
AbstractAbstract 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  
  • 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
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
  • 775 View
  • 49 Download
PDFSupplementary Material
Resident fellow section: Teaching images
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
  • 1,163 View
  • 57 Download
PDF
Original articles
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
  • 2,190 View
  • 57 Download
AbstractAbstract 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.
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
  • 2,444 View
  • 60 Download
AbstractAbstract PDFSupplementary 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
  • 1,919 View
  • 61 Download
  • 3 Web of Science
  • 3 Crossref
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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
Review articles
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
  • 3,749 View
  • 146 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract 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  
  • The blind spot and challenges in pain management
    Min Cheol Chang
    Journal of Yeungnam Medical Science.2022; 39(3): 179.     CrossRef
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
  • 3,704 View
  • 127 Download
  • 8 Web of Science
  • 8 Crossref
AbstractAbstract 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

Citations to this article as recorded by  
  • 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
  • A narrative review of pulsed radiofrequency for the treatment of carpal tunnel syndrome
    Himanshu Gupta, Colm Vance, Vishal Bansal, Ahilraj Siva
    Pain Practice.2023;[Epub]     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
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
  • 3,044 View
  • 84 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract 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

Citations to this article as recorded by  
  • “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
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
  • 3,291 View
  • 136 Download
  • 1 Web of Science
  • 1 Crossref
PDF

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
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
  • 4,366 View
  • 85 Download
  • 2 Web of Science
  • 2 Crossref
AbstractAbstract 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.2023; : 1.     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
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
  • 4,770 View
  • 201 Download
AbstractAbstract PDFSupplementary 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.
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
  • 6,312 View
  • 124 Download
  • 2 Crossref
AbstractAbstract 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.

Citations

Citations to this article as recorded by  
  • Essentials of thoracic outlet syndrome: A narrative review
    Min Cheol Chang, Du Hwan Kim
    World Journal of Clinical Cases.2021; 9(21): 5804.     CrossRef
  • Obturator hernia - a rare etiology of lateral thigh pain: A case report
    Jun Young Kim, Min Cheol Chang
    World Journal of Clinical Cases.2021; 9(34): 10728.     CrossRef

JYMS : Journal of Yeungnam Medical Science