• Title/Summary/Keyword: Thermal injuries

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Muscimol as a treatment for nerve injury-related neuropathic pain: a systematic review and meta-analysis of preclinical studies

  • Hamzah Adel Ramawad;Parsa Paridari;Sajjad Jabermoradi;Pantea Gharin;Amirmohammad Toloui;Saeed Safari;Mahmoud Yousefifard
    • The Korean Journal of Pain
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    • v.36 no.4
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    • pp.425-440
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    • 2023
  • Background: Muscimol's quick onset and GABAergic properties make it a promising candidate for the treatment of pain. This systematic review and meta-analysis of preclinical studies aimed at summarizing the evidence regarding the efficacy of muscimol administration in the amelioration of nerve injury-related neuropathic pain. Methods: Two independent researchers performed the screening process in Medline, Embase, Scopus and Web of Science extracting data were extracted into a checklist designed according to the PRISMA guideline. A standardized mean difference (SMD [95% confidence interval]) was calculated for each. To assess the heterogeneity between studies, 2 and chi-square tests were utilized. In the case of heterogeneity, meta-regression and subgroup analyses were performed to identify the potential source. Results: Twenty-two articles met the inclusion criteria. Pooled data analysis showed that the administration of muscimol during the peak effect causes a significant reduction in mechanical allodynia (SMD = 1.78 [1.45-2.11]; P < 0.0001; I2 = 72.70%), mechanical hyperalgesia (SMD = 1.62 [1.28-1.96]; P < 0.0001; I2 = 40.66%), and thermal hyperalgesia (SMD = 2.59 [1.79-3.39]; P < 0.0001; I2 = 80.33%). This significant amendment of pain was observed at a declining rate from 15 minutes to at least 180 minutes post-treatment in mechanical allodynia and mechanical hyperalgesia, and up to 30 minutes in thermal hyperalgesia (P < 0 .0001). Conclusions: Muscimol is effective in the amelioration of mechanical allodynia, mechanical hyperalgesia, and thermal hyperalgesia, exerting its analgesic effects 15 minutes after administration for up to at least 3 hours.

Study on Infrared Thermography (적외석 체열촬영에 관한 고찰)

  • Kim, Ho-Bong
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.1 no.1
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    • pp.9-14
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    • 1995
  • Thermography is a diagnostic procedures that measures infrared energy emitted by the skin. Thermography detects body temperature change which are controlled by the autonomic nervous system. It does show the thermal dysfunction that correlates closely with pain syndromes as well as normalization when the healing process takes place. Experienced clinical interpretation of the thermal pattern is necessary to diagnose and establish causation. Thermography is useful in the diagnosis of painful conditions such as herniated disc diseases, myofascial syndrome, myositis, musculoligamentous injury, reflex sympathetic dystrophy, athretic injuries, vascular diseases, arthritis, inflammation and breast tumors.

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A Case of the Laryngopharyngeal Burn Caused by A Microwave-Heated Egg Bite

  • Won, Seong Jun;Woo, Seung Hoon
    • Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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    • v.24 no.2
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    • pp.122-124
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    • 2013
  • Nowadays, microwave ovens are commonly used for cooking. However, the cooking certain food in microwave ovens can be hazardous. It has been reported that the heating eggs in a microwave oven can cause an explosion and injuries. The exploding eggs can cause burn injury of face, neck, eyelid, pharynx and larynx. Direct thermal damage to the larynx after swallowing microwave-heated eggs is rare. The authors report a larynx thermal injury due to microwave-heated eggs and review the cause and the prevention methods of exploding eggs.

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Thermal Burn Injury from a Forced-Air Warming Device in an Anesthetized Dog with Peripheral Hypoperfusion

  • Lee, Sungin;Lee, Aeri;Lee, Maro;Kim, Wan Hee
    • Journal of Veterinary Clinics
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    • v.37 no.6
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    • pp.331-335
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    • 2020
  • A 13-year-old female Poodle presented with gallbladder rupture caused by a mucocele and hypoperfusion. The animal had a thermal burn injury caused by a forced-air warming device used for hypothermia during surgery. This could be attributed to two causes. First, the forced-air warming device was used with direct hosing, without attachment to an air blanket, and the heat was concentrated in a single area. Second, perioperative peripheral hypoperfusion hampered heat dissipation and increased the susceptibility to a burn injury. These findings suggest that an air blanket should be used with a forced-air warming device according to the manufacturer's instructions. Furthermore, patients with peripheral hypoperfusion are at a higher risk of burn injuries and require close monitoring.

Contents Analysis of First Aid in Elementary, Middle and High School Textbooks (응급처치에 대한 초.중.고등학교 교과서 내용 분석)

  • Kim, Shin-Jeong;Lee, Jung-Eun;Kang, Kyung-Ah;Song, Mi-Kyung;Chang, Eun-Young;Kim, Sung-Hee
    • Child Health Nursing Research
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    • v.14 no.2
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    • pp.163-175
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    • 2008
  • Purpose: The purpose of this study was to provide basic data to develop first aid education programs for elementary, middle and high school students. Method: Forty nine textbooks adopted by first to six grade elementary schools and first to third grade of both middle and high schools were analyzed for content on first aid. Results: 1) First aid content was covered only in courses on and 2) Content on first aid was included in the categories, "General of first aid", "Rescue & moving", "Fire & Burns", "Cardiopulmonary resuscitation", "Musculoskeletal injuries", "Thermal injuries", "Wounds", "Removing foreign bodies", "Disaster & Accidents" and "Others". Categories that were not included were "Poisoning" and "Bites". The content did not follow a progression related to the level of intellectual and physical development of the students. Conclusion: These results suggest that the content on first aid should be revised to be practical and rational for the benefits of student safety.

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Soft Tissue Reconstruction of Complete Circumferential Defects of the Upper Extremity

  • Ng, Zhi Yang;Tan, Shaun Shi Yan;Lellouch, Alexandre Gaston;Cetrulo, Curtis Lisante Jr;Chim, Harvey Wei Ming
    • Archives of Plastic Surgery
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    • v.44 no.2
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    • pp.117-123
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    • 2017
  • Background Upper extremity soft tissue defects with complete circumferential involvement are not common. Coupled with the unique anatomy of the upper extremity, the underlying etiology of such circumferential soft tissue defects represent additional reconstructive challenges that require treatment to be tailored to both the patient and the wound. The aim of this study is to review the various options for soft tissue reconstruction of complete circumferential defects in the upper extremity. Methods A literature review of PubMed and MEDLINE up to December 2016 was performed. The current study focuses on forearm and arm defects from the level at or proximal to the wrist and were assessed based on Tajima's classification (J Trauma 1974). Data reviewed for analysis included patient demographics, causality, defect size, reconstructive technique(s) employed, and postoperative follow-up and functional outcomes (when available). Results In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, 14 unique articles were identified for a total of 50 patients (mean=28.1 years). Underlying etiologies varied from extensive thermal or electrical burns to high impact trauma leading to degloving or avulsion, crush injuries, or even occur iatrogenically after tumor extirpation or extensive debridement. Treatment options ranged from the application of negative pressure wound dressings to the opposite end of the spectrum in hand transplantation. Conclusions With the evolution of reconstructive techniques over time, the extent of functional and aesthetic rehabilitation of these complex upper extremity injuries has also improved. The proposed management algorithm comprehensively addresses the inherent challenges associated with these complex cases.

Development of Firefighters' Personal Protective Clothing with Nomex Honeycomb Fabric and its Protective and Comfort Evaluation (노멕스 허니콤 구조 직물을 적용한 소방관용 특수방화복 개발 및 이의 보호 쾌적 성능평가)

  • Jung, Jae-Yeon;Ku, Ponjun;Kim, Do Hyung;Kwon, Min-Jae;Kang, Sungwook;Choi, Jeong-Yoon;Lee, Joo-Young
    • Fashion & Textile Research Journal
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    • v.21 no.5
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    • pp.606-617
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    • 2019
  • The present study newly developed a firefighters' protective jacket and pants using a Nomex honeycomb structured layer (HPC) in cases of being exposed to flashover or flameover. This study evaluated the protective and comfort functions of an HPC compared to the current KFI firefighters' protective clothing (FPC). The results are as follows. First, thermal protective performance (TPP) of fabric layers was 2.75 times greater for HPC than FPC at $125kW/m^2$. Second, the predicted second and third degree burn areas were smaller for HPC than FPC when using a flame manikin. Third, thermal insulation using a thermal manikin was 0.2 clo greater for HPC than FPC. Fourth, there were no marked differences in maximal performance, mobility, and microclimate temperature/humidity between FPC and HPC through human wear trials. The thermal insulation of HPC was higher than that of FPC; however, any negative effect of HPC thermal insulation on the comfort functions for firefighters was not found. In conclusion, the newly-developed HPC provided more protection in reducing burn injuries from $125kW/m^2$, while no negative impact on maximal performance, mobility and thermal comfort functions of firefighters, which is appropriate for quick-evasive tactics at the flashover, flameover or back draft fires.

MRI-Induced Full Thickness Burn on the Ear Lobule due to Pulse Oximetry: A Case Report (증례보고: MRI 검사시 귓불에 부착한 산소측정기로 인해 발생한 전층 화상)

  • Kim, BumSik;Lim, SooA;Yoon, JungSoo;Eo, SuRak;Han, Yea Sik
    • Journal of the Korean Burn Society
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    • v.24 no.2
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    • pp.43-45
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    • 2021
  • Magnetic Resonance Image (MRI) has been used as a safe, conventional and harmless diagnostic tool. However, thermal injuries have frequently been reported during MRI scanning due to the heat generated by the reaction with the magnetic field. It is recommended that metal-containing monitoring devices such as pulse oximetry and ECG monitoring leads should be removed prior to the start of the MRI scan, but these monitoring devices are inevitably placed in children or patients in the intensive care unit who have low compliance with the scan. Since the interaction between the metal probe or wire loop of pulse oximetry and the magnetic field can result in high thermal conduction, full-thickness burn can occur over the entire body surface during the MRI examination. Several cases of thermal burns from pulse oximetry on the fingers have been reported. However, we present a case of a full-thickness burn arising left earlobe in a 2-month-old child caused by the high conduction heat from pulse oximetry metal probe.

Handling of Harvested Broiler (육계 출하 후 관리)

  • Kim Dong-Hun;Yoo Young-Mo;Cho Soo-Hyun;Park Beom-Young;Kim Yong-Kon;Lee Jong-Moon
    • Food Science of Animal Resources
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    • v.24 no.4
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    • pp.424-432
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    • 2004
  • The handling and transport of broiler birds from farm to the processing factory is known to cause injury and dead. The preslaughter period can be compromised through thermal stress, emotional stress, starvation, dehydration, metabolic exhaustion, trauma to the skin and bone fraction resulting in bruising and dead. This paper focuses on the control points of individual post Harvest stages by reference to recent literature. In catching, the injuries and deads are caused from fracture of bone, skin damage and hipbone dislocation. It can be improved by training the catchers. The primary factor of dead during transportation is from thermal stress. It is related to stocking density, type of crate and vehicle, ventilation and transportation time. Of the factors, the ventilation is very important. The holding place should be built with consideration of protection from the hostile external environment. There were not much progresses in this area, however, many researches are conducting to focus on animal welfare in European Union. Recently, it is rapidly changed in marketing custom from whole carcass to portion cut in Korea. This means the increase of economic loss due to the mishandling at post harvest. The systematic approach is demanded for this area.

A novel excisional wound pain model for evaluation of analgesics in rats

  • Parra, Sergio;Thanawala, Vaidehi J.;Rege, Ajay;Giles, Heather
    • The Korean Journal of Pain
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    • v.34 no.2
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    • pp.165-175
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    • 2021
  • Background: Management of pain from open wounds is a growing unmet healthcare need. However, the models available to study pain from wounds or to develop analgesics for the patients suffering from them have primarily relied on incisional models. Here, we present the first characterized and validated model of open wound pain. Methods: Unilateral full-skin excisional punch biopsy wounds on rat hind paws were evaluated for evoked pain using withdrawal responses to mechanical and thermal stimulation, and spontaneous pain was measured using hind paw weight distribution and guarding behavior. Evaluations were done before wounding (baseline) and 2-96 hours post-wounding. The model was validated by testing the effects of buprenorphine and carprofen. Results: Pain responses to all tests increased within 2 hours post-wounding and were sustained for at least 4 days. Buprenorphine caused a reversal of all four pain responses at 1 and 4 hours post-treatment compared to 0.9% saline (P < 0.001). Carprofen decreased the pain response to thermal stimulation at 1 (P ≤ 0.049) and 4 hours (P < 0.011) post-treatment compared to 0.9% saline, but not to mechanical stimulation. Conclusions: This is the first well-characterized and validated model of pain from open wounds and will allow study of the pathophysiology of pain in open wounds and the development of wound-specific analgesics.