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https://www.readbyqxmd.com/read/28702681/intra-arterial-thrombolysis-for-extremity-frostbite-decreases-digital-amputation-rates-and-hospital-length-of-stay
#1
Nishant Patel, Dhivya R Srinivasa, Ravi N Srinivasa, Joseph J Gemmete, Venkat Krishnamurthy, Narasimham Dasika, Shilpa N Reddy, Matthew L Osher, Erika D Sears, Jeffrey Forris Beecham Chick
PURPOSE: To report outcomes of intra-arterial thrombolysis versus non-thrombolytic management of severe frostbite with respect to digital amputation rates and hospital length of stay (LOS). MATERIALS AND METHODS: Seventeen patients with severe frostbite were identified from 2000 to 2017. Eight (47%) patients with mean age of 40 years underwent intra-arterial thrombolysis and served as the treatment group. Nine (53%) patients with mean age of 53 years received non-thrombolytic management and served as the control group...
July 12, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28680204/role-of-99m-tc-mdp-bone-scan-in-delineation-of-ischaemic-zone-in-cases-of-severe-frostbite
#2
Arun Ravi John, Anurag Jain, Braj Kishore, Aniruddha G Pandit
Frostbite or cold burn is the medical condition in which localized damage is caused to exposed skin and subcutaneous tissue due to freezing. Frostbite most likely involves body parts farthest from the heart and those with large exposed areas. At or below 0 °C (32 °F), blood vessels close to the skin start to constrict, and blood is shunted away from the extremities via the physiological feedback action of glomus bodies. This peripheral vasoconstriction helps to conserve core body temperature. In extreme cold, or when certain parts of the body are exposed to cold conditions for long periods, this protective mechanism can reduce blood flow in some areas of the body to dangerously low levels...
July 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28652661/observation-of-the-effect-of-targeted-therapy-of-64-slice-spiral-ct-combined-with-cryoablation-for-liver-cancer
#3
Qiao-Huan Yan, Dian-Guo Xu, Yan-Feng Shen, Ding-Ling Yuan, Jun-Hui Bao, Hai-Bin Li, Ying-Gang Lv
AIM: To observe the effect of targeted therapy with 64-slice spiral computed tomography (CT) combined with cryoablation for liver cancer. METHODS: A total of 124 patients (142 tumors) were enrolled into this study. According to the use of dual-slice spiral CT or 64-slice spiral CT as a guide technology, patients were divided into two groups: dual-slice group (n = 56, 65 tumors) and 64-slice group (n = 8, 77 tumors). All patients were accepted and received targeted therapy by an argon-helium superconducting surgery system...
June 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28630224/successful-conservative-treatment-of-severe-frostbite-lesions-in-a-greenlandic-inuit
#4
Martin Ekdahl, Luit Penninga
Frostbite may cause lesions. The severity ranges from superficial wounds to severe cases with loss of limbs and tissue. Hence, proper treatment is of utmost importance. We present a case of an 18-year-old man from Arctic Greenland who was admitted with severe frostbite lesions involving both hands. The patient had fallen asleep outside during extreme temperatures. He was treated conservatively with proper wound care, antibiotics and intensive physical therapy. The patient made a full recovery without sequelae...
June 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28570307/early-mobilization-in-lower-extremity-frostbite-injury-preliminary-experience-at-a-single-burn-center
#5
Michelle Dole, Frederick W Endorf, Jon Gayken, Ryan Fey, Rachel M Nygaard
Cold exposure that leads to frostbite puts patients at high risk for extremity amputations. Recent treatment advances, such as thrombolytic administration, have decreased amputation rates. However, little is known about patient outcomes with early mobilization of affected limbs. A retrospective review of 41 patients admitted for lower extremity frostbite was performed at an urban hospital burn unit. All patients received the institution's standard frostbite treatment protocol. The study group was allowed to bear weight within 72 hours, while the control group was immobilized beyond this time frame...
May 26, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28516256/-skin-diseases-associated-with-environmental-factors
#6
REVIEW
Vera Mahler
BACKGROUND: Multiple environmental exposures may derange the regulatory and repair mechanisms of the skin and lead to dermatological disease. OBJECTIVES: Provide an overview of non-allergic skin diseases associated with environmental factors. MATERIALS AND METHODS: Review of current scientific evidence for associations of non-allergic skin diseases with environmental exposures: irritation, chemicals, infection, UV-radiation, temperature. RESULTS: Predisposition (constitution e...
June 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28507785/a-retrospective-chart-review-of-chronic-wound-patients-treated-with-topical-oxygen-therapy
#7
Karen Copeland, Angie R Purvis
Objective: Topical oxygen devices are Food and Drug Administration (FDA) cleared for the following indications for use of various etiologies: skin ulcerations due to diabetes, venous stasis, postsurgical infections and gangrenous lesions, decubitus ulcers; amputations/infected stumps; skin grafts; burns; and frostbite. The goal of this study was to understand the impact of topical oxygen therapy (TOT) on patient outcomes, including amputation and healing rates. Approach: This retrospective chart review included records collected between January 1, 2007, and July 18, 2016, from male and female patients ranging in age from 4 years to 105 years...
May 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/28497276/thermal-perception-thresholds-among-workers-in-a-cold-climate
#8
Lage Burström, Bodil Björ, Tohr Nilsson, Hans Pettersson, Ingemar Rödin, Jens Wahlström
PURPOSE: To investigate whether exposure to cold could influence the thermal perception thresholds in a working population. METHODS: This cross-sectional study was comprised of 251 males and females and was carried out at two mines in the northern part of Norway and Sweden. The testing included a baseline questionnaire, a clinical examination and measurements of thermal perception thresholds, on both hands, the index (Digit 2) and little (Digit 5) fingers, for heat and cold...
May 11, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28483389/battlefield-trauma-induced-hypothermia-transitioning-the-preferred-method-of-casualty-rewarming
#9
REVIEW
Brad L Bennett, John B Holcomb
For centuries, cold and wet weather has affected military combat operations leading to tremendous loss of manpower caused by cold-weather-related injuries including trench foot, frostbite, and hypothermia. The initial battlefield management of hypothermia in military personnel had not advanced significantly following many wars and conflicts until 2006. The aim of this review is to: 1) provide an overview of trauma-induced hypothermia (TIH); 2) highlight the Department of Defense strategy for the implementation of a hypothermia clinical management program for battlefield (prehospital) casualties; 3) highlight the research and development of the Hypothermia Prevention and Management Kit (HPMK) as the preferred field rewarming system for battlefield TIH; and 4) emphasize how the HPMK can be easily transitioned to the civilian sector for active rewarming of both accidental and TIH patients...
June 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28469659/stress-injuries-and-autophagy-in-mouse-hippocampus-after-chronic-cold-exposure
#10
Ting-Ting Qu, Jie-Xin Deng, Rui-Ling Li, Zhan-Jun Cui, Xiao-Qing Wang, Lai Wang, Jin-Bo Deng
Cold exposure is an external stress factor that causes skin frostbite as well as a variety of diseases. Estrogen might participate in neuroprotection after cold exposure, but its precise mechanism remains unclear. In this study, mice were exposed to 10°C for 7 days and 0-4°C for 30 days to induce a model of chronic cold exposure. Results showed that oxidative stress-related c-fos and cyclooxygenase 2 expressions, MAP1LC3-labeled autophagic cells, Iba1-labeled activated microglia, and interleukin-1β-positive pyramidal cells were increased in the hippocampal CA1 area...
March 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28452678/a-new-treatment-for-frostbite-sequelae-botulinum-toxin
#11
Arne Johan Norheim, James Mercer, Frauke Musial, Louis de Weerd
Frostbite sequelae are a relevant occupational injury outcome for soldiers in arctic environments. A Caucasian male soldier suffered frostbite to both hands during a military winter exercise. He developed sensory-motor disturbances and cold hypersensitivity. Angiography and thermography revealed impaired blood flow while Quantitative Sensory Testing indicated impaired somato-sensory nerve function. Two years after the initial event, he received an off label treatment with Botulinum toxin distributed around the neurovascular bundles of each finger...
2017: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/28411928/frostbite
#12
REVIEW
Charles Handford, Owen Thomas, Christopher H E Imray
Deep frostbite is a thermal injury associated with significant morbidity. Historically, this has been associated with military personnel; however, increasingly it is becoming an injury that afflicts the civilian population. The use of intravenous iloprost or intra-arterial thrombolytics has led to promising tissue salvage. This article provides an up-to-date understanding of frostbite pathophysiology, classification, prevention, and management. It also highlights the role of telemedicine in optimizing patient outcomes...
May 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28401298/neurovascular-hand-symptoms-in-relation-to-cold-exposure-in-northern-sweden-a-population-based-study
#13
Albin Stjernbrandt, Bodil Björ, Martin Andersson, Lage Burström, Ingrid Liljelind, Tohr Nilsson, Ronnie Lundström, Jens Wahlström
PURPOSE: To describe the self-reported ambient cold exposure in northern Sweden and to relate the level of cumulative cold exposure to the occurrence of sensory and vascular hand symptoms. We hypothesize that cold exposure is positively related to reporting such symptoms. METHODS: A questionnaire about cold exposure and related symptoms was sent out to 35,144 subjects aged 18-70 years and living in northern Sweden. RESULTS: A total of 12,627 out of 35,144 subjects returned the questionnaire (response rate 35...
April 11, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28379099/frostbite-following-cryolipolysis-treatment-in-a-beauty-salon-a-case-study
#14
W L Choong, H S Wohlgemut, M J Hallam
This case study describes frostbite, a previously unreported complication following cryolipolysis, which resulted in substantial necrosis of the flank. Medical attention was not sought until one week after treatment. On examination, two distinct areas of significant frostbite in the left flank with surrounding erythema were revealed. Surgical intervention was avoided, as is recommended in cases of frostbite, and conservative treatment resulted in recovery of the affected area. Here, the authors highlight the adverse effects related to cryolipolysis, analysing the pathogenesis, clinical manifestations and management of this injury...
April 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28363293/cold-injuries
#15
REVIEW
Deana S Shenaq, Lawrence J Gottlieb
New treatments of frostbite have led to unprecedented salvage of extremities including fingers and toes. Success is predicated on prompt institution of time-sensitive protocols initiated soon after rewarming, particularly the use of thombolytics. Unfortunately, in the urban setting, most patients are not candidates for these treatment modalities. Triple-phase bone scans have allowed for early determination of devitalized parts that need amputation. Reconstructive surgical techniques are typically used to salvage limb length in these devastating injuries...
May 2017: Hand Clinics
https://www.readbyqxmd.com/read/28343569/a-3d-thermal-model-to-analyze-the-temperature-changes-of-digits-during-cold-stress-and-predict-the-danger-of-frostbite-in-human-fingers
#16
Amir Fallahi, Mohammad Reza Salimpour, Ebrahim Shirani
The existing computational models of frostbite injury are limited to one and two dimensional schemes. In this study, a coupled thermo-fluid model is applied to simulate a finger exposed to cold weather. The spatial variability of finger-tip temperature is compared to experimental ones to validate the model. A semi-realistic 3D model for tissue and blood vessels is used to analyze the transient heat transfer through the finger. The effect of heat conduction, metabolic heat generation, heat transport by blood perfusion, heat exchange between tissues and large vessels are considered in energy balance equations...
April 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28328661/microangiography-to-monitor-treatment-outcomes-following-severe-frostbite-injury-to-the-hands
#17
Thomas Masters, Steven Omodt, Jon Gayken, Christopher Logue, Bjorn Westgard, Stephen Hendriksen, Joseph Walter, Rachel Nygaard
Frostbite injury causes direct damage to tissues following exposure to temperatures below their freezing point causing tissue death potentially leading to serious amputations. After rewarming, a variety of treatment options have been employed to avoid amputation. This case report details the use of indocyanine green fluorescence microangiography to monitor the clinical progression of perfusion following hyperbaric oxygen therapy (HBOT) for severe frostbite injury. We present a case report of a man with deep frostbite of the bilateral hands treated with thrombolytics and HBOT...
March 15, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28314420/sport-injuries-of-the-ear-and-temporal-bone
#18
REVIEW
L Mariel Osetinsky, Grant S Hamilton, Matthew L Carlson
In cases of head trauma, the ear should be evaluated in all of its components. A good understanding of otologic and skull base anatomy enables a thorough trauma assessment of this complex anatomic region. Auricular laceration, abrasion, avulsion, hematoma, frostbite, otitis externa, exostosis, tympanic membrane perforation, ossicular discontinuity, perilymphatic fistula, labyrinthine concussion, temporal bone fracture, facial nerve paresis, and sensorineural hearing loss are a few of the more common otologic injuries seen in active patients...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28296671/the-use-of-thrombolytic-therapy-in-the-treatment-of-frostbite-injury
#19
Allyson Wexler, Sarah Zavala
Frostbite can lead to severe consequences including loss of digits and limbs. One of the mechanisms of frostbite includes vascular thrombosis. The use of tissue plasminogen activator (tPA) in frostbite has been shown to be effective in case reports and small prospective studies. A retrospective chart review was performed on all patients admitted for frostbite between January 2008 and April 2015, and six patients were identified as having received treatment with intravenous tPA. Patients received an initial bolus dose followed by a 6-hour infusion of tPA...
March 3, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28259274/use-and-effectiveness-of-ethyl-chloride-for-hand-injections
#20
Orrin I Franko, Peter J Stern
PURPOSE: Limited literature supports using ethyl chloride topical spray as an anesthetic for hand injections whereas documented risks include frostbite, skin irritation, and inhalation toxicity. We hypothesize that ethyl chloride spray imparts no benefit to patients' perception of pain or anxiety for routine hand injections. METHODS: We first surveyed all members of the American Society for Surgery of the Hand to discern the prevalence of ethyl chloride use during routine injections...
March 2017: Journal of Hand Surgery
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