Journal of Yeungnam Medical Science

Original article

Emergency and Critical Care Medicine
Factors affecting in-hospital mortality in hypotensive blunt trauma: a retrospective observational study: Jong Min Woo, Sang Won Kim, Su Jeong Shin; J Yeungnam Med Sci. 2026;43:18. Published online February 10, 2026; DOI: https://doi.org/10.12701/jyms.2026.43.18

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Abstract PDF: Background
Blunt trauma is a major cause of mortality in the working-age population. Patients who develop hypotension shortly after an injury are at a particularly high risk of death. This nationwide study aimed to identify the factors associated with mortality in patients with hypotension after blunt trauma.
Methods
We analyzed nationwide data from the National Emergency Department Information System for patients aged 15 to 69 years who presented to regional or higher-level emergency medical centers between 2019 and 2023 after blunt trauma. Patients with an initial systolic blood pressure ≤90 mmHg and classified as high acuity (Korean Triage and Acuity Scale ≤3) were included.
Results
Among the 2,713,014 trauma cases, 25,107 met the inclusion criteria, and 16,823 (67.0%) were male. Traffic accidents were the most common reason for injury (38.8%). Mortality was significantly associated with brain injury (hazard ratio, 1.906; 95% confidence interval, 1.661–2.186). The median time from emergency department visit to death was 45.0 hours (interquartile range [IQR], 9.0–188.0 hours), and non-survivors had a median hospital stay of 2.0 days (IQR, 0.0–8.0 days).
Conclusion
Most deaths following blunt trauma occurred within 48 hours of injury, with brain injury being strongly associated with mortality. However, the contribution of other injured body regions may not have been fully captured. These findings underscore the importance of early recognition and comprehensive management of patients with hypotensive blunt trauma.

Review article

Plastic and Reconstructive Surgery
Radial artery superficial palmar branch free flap versus toe pulp free flap for finger pulp reconstruction: a narrative review: Daihun Kang; J Yeungnam Med Sci. 2025;42:56. Published online September 13, 2025; DOI: https://doi.org/10.12701/jyms.2025.42.56

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Abstract PDF: Finger pulp reconstruction remains a challenging aspect of hand surgery and requires a careful balance between functional restoration and donor-site morbidity. Among the various microsurgical options, radial artery superficial palmar branch (RASP) and toe pulp free flaps have emerged as the two most widely used techniques, each offering distinct advantages. This narrative review comprehensively compares these two microsurgical approaches for finger pulp reconstruction. The RASP free flap harvested from the thenar region provides glabrous palmar tissue with an excellent color match, minimal donor-site morbidity, and the advantage of single-field surgery. However, it lacks the specialized architecture of native finger pulp. In contrast, the toe pulp free flap offers anatomically identical tissue with superior sensory recovery (two-point discrimination, 4–7 mm vs. 6–12 mm for the RASP free flap) and exceptional durability, representing true “like-with-like” reconstruction. Nevertheless, it requires longer operative times and carries significant donor-site morbidity, affecting gait. The selection of these techniques should be individualized based on the defect characteristics, functional demands, and patient factors. The RASP free flap is an excellent first-line option for most defects where standard functional recovery is sufficient, whereas toe pulp transfer remains the gold standard for patients requiring maximal sensory discrimination. Future research should prioritize high-quality comparative studies to evaluate the outcomes of various finger pulp reconstruction techniques.

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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4 Web of Science
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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

Emerging technologies in the field of medicine presented at the Consumer Electronics Show 2025
Jong-Ryul Yang, Min Cheol Chang
Journal of Yeungnam Medical Science.2025; 42: 31. CrossRef
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

Case report

Surgery
Cardiopulmonary bypass preparation is mandatory in cardiac exploration for blunt cardiac injury patients: two case reports: Shin-Ah Son, Joon Yong Cho, Gun-Jik Kim, Young Ok Lee, Hanna Jung, Tak-Hyuk Oh; Yeungnam Univ J Med. 2021;38(4):356-360. Published online March 3, 2021; DOI: https://doi.org/10.12701/yujm.2020.00822

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1 Crossref

Abstract PDF

Treating cardiac injuries following blunt trauma to the chest requires thorough examination, accurate diagnosis, and therapeutic plan. We present two cases; pulmonary vein rupture and left atrial appendage laceration, both as a result of blunt chest trauma. Through these cases, our team learned the importance of maintaining hemodynamic stability during the examination of injured cardiac structures. And based on the comprehensive cardiac examination, a decision to surgically intervene with median sternotomy via cardiopulmonary bypass was made, saving lives of the patient. This report introduces how such decision was made based on what supporting evidence and the diagnostic process leading to the initiation of surgical intervention. This report may help with decision-making process when confronted by blunt cardiac injury patients who need cardiac exploration.

Citations

Citations to this article as recorded by

The role and timing of cardiopulmonary bypass in the surgical repair of traumatic cardiac injury
Mayo Kondo, Shinichi Ijuin, Tomonori Haraguchi, So Izumi, Reiko Kanno, Kazunori Sakaguchi, Kazumasa Edono, Haruki Nakayama, Satoshi Ishihara, Takuro Tsukube
General Thoracic and Cardiovascular Surgery.2023; 71(10): 561. CrossRef

Original Article

Orthopedics and Sports Medicine
Could immediate treatment change the management method of digital tendon musculotendinous junction avulsion?: a systematic review: Sam Guk Park; Yeungnam Univ J Med. 2017;34(2):200-207. Published online December 31, 2017; DOI: https://doi.org/10.12701/yujm.2017.34.2.200

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Abstract PDF: BACKGROUND
We conducted a systematic review of the literature to investigate the correlation between the interval to treatment and management of tendon avulsion ruptures in the musculotendinous junction (MTJ) of the forearm. METHODS: A thorough literatures search for studies of tendon avulsion injuries at the forearm was conducted using PubMed, MEDLINE, CINAHL, and Cochrane databases in accordance with the PRISMA guidelines. In total, five case series and 15 case reports accounting for 87 injured tendons involving 60 patients were selected for the analysis. RESULTS: Twenty-six patients had 44 tendon injuries associated with avulsion amputations, 31 patients had 38 tendon ruptures associated with closed avulsion injuries and three patients had five tendon ruptures associated with open avulsion injuries. Eighteen of the 49 (37%) patients were immediately treated for tendon ruptures and one of the 32 (3%) tendon ruptures treated via elective surgery was directly repaired. Additionally, 18 of the 30 (60%) tendons were directly repaired and 12 of the 30 (40%) tendons were transferred or side-to-side repaired in the immediately treated series. In contrast, one of the 28 (4%) tendon ruptures were directly repaired and 27 of the 28 (96%) tendons were transferred or side-to-side repaired in the electively treated series. CONCLUSION: In managing digital tendon avulsions at the MTJ, an immediate treatment could provide an opportunity to repair the ruptured tendon directly to the muscle.

Case Report

Emergency and Critical Care Medicine
A Case of Subcutaneous Emphysema without Associated Injuries at Neck from Motorcycle Accident.: Jung Ho Kim, Sam Beom Lee, Byung Soo Do; Yeungnam Univ J Med. 2003;20(2):217-222. Published online December 31, 2003; DOI: https://doi.org/10.12701/yujm.2003.20.2.217

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Abstract PDF: Subcutaneous emphysema defines collection of air in subcutaneous spaces of body. It is usually originated from air in upper airway and lower respiratory tract such as larynx, trachea, bronchus and lungs. Air in subcutaneous spaces derives from leakage of air due to tearing or ruptures of airway structures, and also accompanies pneumothorax or pneumomediastinum and/or rib or sternal fractures or other major airway injuries. We experienced a case of subcutaneous emphysema caused by laryngeal injury without any associated airway injuries at neck from motorcycle accident, so we would report a case with the review of literatures.

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