129 results on '"Sharar SR"'
Search Results
2. Pre-hospital intubation factors and pneumonia in trauma patients.
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Evans HL, Warner K, Bulger EM, Sharar SR, Maier RV, Cuschieri J, Evans, Heather L, Warner, Keir, Bulger, Eileen M, Sharar, Sam R, Maier, Ronald V, and Cuschieri, Joseph
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- 2011
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3. Rural trauma: is trauma designation associated with better hospital outcomes? [corrected] [published erratum appears in J RURAL HEALTH 2010 Summer;26(3):299].
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Bowman SM, Zimmerman FJ, Sharar SR, Baker MW, and Martin DP
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- 2008
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4. Virtual reality pain control during burn wound debridement in the hydrotank.
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Hoffman HG, Patterson DR, Seibel E, Soltani M, Jewett-Leahy L, and Sharar SR
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- 2008
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5. Racial disparities in outcomes of persons with moderate to severe traumatic brain injury.
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Bowman SM, Martin DP, Sharar SR, and Zimmerman FJ
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- 2007
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6. Influence of definition and location of hypotension on outcome following severe pediatric traumatic brain injury.
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Coates BM, Vavilala MS, Mack CD, Muangman S, Suz P, Sharar SR, Bulger E, Lam AM, Coates, Bria M, Vavilala, Monica S, Mack, Christopher D, Muangman, Saipin, Suz, Pilar, Sharar, Sam R, Bulger, Eileen, and Lam, Arthur M
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- 2005
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7. The 2002 Lindberg award. PRN vs regularly scheduled opioid analgesics in pediatric burn patients.
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Patterson DR, Ptacek JT, Carrougher G, Heimbach DM, Sharar SR, and Honari S
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- 2002
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8. A comparison of oral transmucosal fentanyl citrate and oral oxycodone for pediatric outpatient wound care.
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Sharar SR, Carrougher GJ, Selzer K, O'Donnell F, Vavilala MS, and Lee LA
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- 2002
9. The Unna 'cap' as a scalp donor site dressing.
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Summer GJ, Hansen FL, Costa BA, Engrav LH, and Sharar SR
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- 1999
10. A comparison of oral transmucosal fentanyl citrate and oral hydromorphone for inpatient pediatric burn wound care analgesia.
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Sharar SR, Bratton SL, Carrougher GJ, Edwards WT, Summer G, Levy FH, and Cortiella J
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- 1998
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11. Opiate-induced respiratory depression in young pediatric burn patients.
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Gibbons J, Honari SR, Sharar SR, Patterson DR, Dimick PL, and Heimbach DM
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- 1998
12. Acute trauma care.
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Sharar SR
- Published
- 1991
13. Comparison of picture and numerical scales in the assessment of pain in elderly burn patients.
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Honari S, Heimbach DM, Klein MB, Patterson DR, Sharar SR, Stewart RJ, Gibbons J, Colley CL, and Gibran NS
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- 2008
14. Use of Opioid Equivalency Tables in Clinical Burn Care Research and Patient Care
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Carrougher, GJ, Summer, GS, Honari, S, Sharar, SR, Patterson, DR, and Heimbach, DM
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- 1998
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15. Equivalent Efficacy and Safety of Oral Transmucosal Fentanyl Citrate (OTFC) and Oral Hydromorphone (HM) for Inpatient Pediatric Burn Wound Care
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Sharar, SR, Bratton, S, Carrougher, GJ, Edwards, WT, Summer, GS, Thompson, SJ, Cortiella, J, and Levy, FH
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- 1998
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16. A randomized controlled trial of hypnosis for burn wound care.
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Askay SW, Patterson DR, Jensen MP, and Sharar SR
- Abstract
Purpose/Objective: There have been few randomized controlled studies on the effectiveness of clinical hypnotic analgesia. The authors' goal was to improve on previous methodologies and gain a better understanding of the effects of hypnosis on different components of pain in a clinical setting. Research Method/Design: This study used a randomized controlled design in which the nurses and data collectors were unaware of treatment condition to compare hypnotic analgesia with an attention-only placebo for burn pain during wound debridements. Data were analyzed on a total of 46 adult participants. Results: The authors found that the group receiving hypnosis had a significant drop in pain compared with the control group when measured by the McGill Pain Questionnaire but not when measured by other pain rating scales. Conclusion: The McGill Pain Questionnaire total score reflects multiple pain components, such as its affective component and various qualitative components, and is not merely a measure of pain intensity. Thus, the findings suggest that hypnosis affects multiple pain domains and that measures that assess these multiple domains may be more sensitive to the effects of hypnotic analgesia treatments. [ABSTRACT FROM AUTHOR]
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- 2007
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17. A comparison of interactive immersive virtual reality and still nature pictures as distraction-based analgesia in burn wound care.
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Patterson DR, Drever S, Soltani M, Sharar SR, Wiechman S, Meyer WJ, and Hoffman HG
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- Adult, Child, Adolescent, Humans, Pain Measurement, Pain complications, Water, Burns therapy, Burns complications, Analgesia, Virtual Reality
- Abstract
Purpose: Non-pharmacologic adjuncts to opioid analgesics for burn wound debridement enhance safety and cost effectiveness in care. The current study explored the feasibility of using a custom portable water-friendly immersive VR hardware during burn debridement in adults, and tested whether interactive VR would reduce pain more effectively than nature stimuli viewed in the same VR goggles., Methods: Forty-eight patients with severe burn injuries (44 adults and 4 children) had their burn injuries debrided and dressed in a wet wound care environment on Study Day 1, and 13 also participated in Study Day 2., Intervention: The study used a within-subject design to test two hypotheses (one hypothesis per study day) with the condition order randomized. On Study Day 1, each individual (n = 44 participants) spent 5 min of wound care in an interactive immersive VR environment designed for burn care, and 5 min looking at still nature photos and sounds of nature in the same VR goggles. On Study Day 2 (n = 12 adult participants and one adolescent from Day 1), each participant spent 5 min of burn wound care with no distraction and 5 min of wound care in VR, using a new water-friendly VR system. On both days, during a post-wound care assessment, participants rated and compared the pain they had experienced in each condition. OUTCOME MEASURES ON STUDY DAYS 1 AND 2: Worst pain during burn wound care was the primary dependent variable. Secondary measures were ratings of time spent thinking about pain during wound care, pain unpleasantness, and positive affect during wound care., Results: On Study Day 1, no significant differences in worst pain ratings during wound care were found between the computer-generated world (Mean = 71.06, SD = 26.86) vs. Nature pictures conditions (Mean = 68.19, SD = 29.26; t < 1, NS). On secondary measures, positive affect (fun) was higher, and realism was lower during computer-generated VR. No significant differences in pain unpleasantness or "presence in VR" between the two conditions were found, however. VR VS. NO VR. (STUDY DAY 2): Participants reported significantly less worst pain when distracted with adjunctive computer generated VR than during standard wound care without distraction (Mean = 54.23, SD = 26.13 vs 63.85, SD = 31.50, t(11) = 1.91, p < .05, SD = 17.38). In addition, on Study Day 2, "time spent thinking about pain during wound care" was significantly less during the VR condition, and positive affect was significantly greater during VR, compared to the No VR condition., Conclusion: The current study is innovative in that it is the first to show the feasibility of using a custom portable water-friendly immersive VR hardware during burn debridement in adults. However, contrary to predictions, interactive VR did not reduce pain more effectively than nature stimuli viewed in the same VR goggles., (Copyright © 2022 Elsevier Ltd and International Society of Burns Injuries. All rights reserved.)
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- 2023
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18. The Impact of Virtual Reality Hypnosis on Pain and Anxiety Caused by Trauma: Lessons Learned from a Clinical Trial.
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Wiechman SA, Jensen MP, Sharar SR, Barber JK, Soltani M, and Patterson DR
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- Anxiety etiology, Anxiety therapy, Humans, Pain etiology, Pain Management methods, Hypnosis, Virtual Reality
- Abstract
This randomized, controlled trial tested the impact that hypnosis delivered through immersive virtual reality technology on background pain, anxiety, opioid use, and hospital length of stay in a sample of patients hospitalized for trauma. Participants were randomly assigned to receive either virtual-reality-induced hypnosis, virtual reality for distraction, or usual care during the course of their hospitalization. Mean number of treatment sessions was 3. A total of 153 patients participated in the study. Results indicated no significant differences between the experimental and control conditions on any outcome measures. This study used an early version of virtual reality technology to induce hypnosis and highlighted several important lessons about the challenges of implementation of this technology and how to improve its use in clinical settings.
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- 2022
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19. Case Report: Virtual Reality Analgesia in an Opioid Sparing Orthopedic Outpatient Clinic Setting: A Case Study.
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Firoozabadi R, Elhaddad M, Drever S, Soltani M, Githens M, Kleweno CP, Sharar SR, Patterson DR, and Hoffman HG
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Immersive virtual reality is proving effective as a non-pharmacologic analgesic for a growing number of painful medical procedures. External fixator surgical pins provide adjunctive stability to a broken pelvic bone until the bones heal back together, then pins are removed. The purpose of the present case study was to measure for the first time, whether immersive virtual reality could be used to help reduce pain and anxiety during the orthopedic process of removing external fixator pins from a conscious patient in the orthopedic outpatient clinic, and whether it is feasible to use VR in this context. Using a within-subject within wound care design with treatment order randomized, the patient had his first ex-fix pin unscrewed and removed from his healing pelvic bone while he wore a VR helmet and explored an immersive snowy 3D computer generated world, adjunctive VR. He then had his second pin removed during no VR, standard of care pain medications. The patient reported having 43% less pain intensity, 67% less time spent thinking about pain, and 43% lower anxiety during VR vs. during No VR. In addition, the patient reported that his satisfaction with pain management was improved with the use of VR. Conducting simple orthopedic procedures using oral pain pills in an outpatient setting instead of anesthesia in the operating room greatly reduces the amount of opioids used, lowers medical costs and reduces rare but real risks of expensive complications from anesthesia including oversedation, death, and post-surgical dementia. These preliminary results suggest that immersive VR merits more attention as a potentially viable adjunctive non-pharmacologic form of treatment for acute pain and anxiety during medical procedures in the orthopedic outpatient clinic. Recent multi-billion dollar investments into R and D and mass production have made inexpensive immersive virtual reality products commercially available and cost effective for medical applications. We speculate that in the future, patients may be more willing to have minor surgery procedures in the outpatient clinic, with much lower opioid doses, while fully awake, if offered adjunctive virtual reality as a non-pharmacologic analgesic during the procedure. Additional research and development is recommended., Competing Interests: Conflict of Interest: HH has joined the Scientific Advisory Board of BehaVR.com. No products or funding from BehaVR.com was involved in the current study.
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- 2020
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20. Virtual Reality to Relieve Pain in Burn Patients Undergoing Imaging and Treatment.
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Bermo MS, Patterson D, Sharar SR, Hoffman H, and Lewis DH
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- Analgesia methods, Humans, Male, Pain Measurement methods, Burns complications, Burns therapy, Pain etiology, Pain Management methods, Virtual Reality
- Abstract
Pain from burn injuries is among the most excruciating encountered in clinical practice. Pharmacological methods often fail to achieve acceptable level of analgesia in these patients, especially during burn wound dressing and debridement. Virtual reality (VR) distraction is a promising analgesic technique that progressed significantly in the last decade with development of commercially available, low-cost, high-resolution, wide field-of-view, standalone VR devices that can be used in many clinical scenarios. VR has demonstrated clinical benefit as an adjunctive analgesic during burn wound dressing and other painful medical procedures. The technique has proven useful also in preparing patients for magnetic resonance imaging scans, particularly in claustrophobic patients. Modulation of pain-related brain activity at cortical and subcortical levels by VR, and its correlation with subjective improvement in various laboratory and clinical pain experiences has been demonstrated using multiple functional brain imaging studies including functional magnetic resonance imaging and brain perfusion single photon emission computed tomography.
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- 2020
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21. Frequency of Operative Anesthesia Care After Traumatic Injury.
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Sunshine JE, Humbert AT, Booth B, Bowman SM, Bulger EM, and Sharar SR
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- Adult, Aged, Anesthesia adverse effects, Female, Humans, Intraoperative Care adverse effects, Male, Middle Aged, Operating Rooms, Operative Time, Physician's Role, Registries, Retrospective Studies, Risk Factors, Surgeons, Time Factors, Trauma Centers, Treatment Outcome, Washington, Anesthesia trends, Anesthesiologists trends, Intraoperative Care trends, Patient Care Team trends, Practice Patterns, Physicians' trends, Wounds and Injuries surgery
- Abstract
Background: Virtually all anesthesiologists care for patients who sustain traumatic injuries; however, the frequency with which operative anesthesia care is provided to this specific patient population is unclear. We sought to better understand the degree to which anesthesia providers participate in operative trauma care and how this differs by trauma center designation (levels I-V), using data from a comprehensive, regional database-the Washington State Trauma Registry (WSTR). We also sought to specifically assess operative anesthesia care frequency vis a vis the American College of Surgeons guidelines for continuous anesthesiology coverage for Level II trauma center accreditation., Methods: We conducted a retrospective analysis measuring the frequency of operative anesthesia care among patients enrolled in the WSTR. Univariate comparisons were made between trauma patients who had surgery during their admission and those who did not (medical management only). In addition, clinical factors associated with surgical intervention were measured. We also measured the average times from hospital admission to surgery and compared these times across trauma centers, grouped level I, II, and III-V., Results: From 2004 to 2014, there were approximately 176,000 encounters meeting WSTR inclusion criteria. Approximately 60% of these trauma encounters included exposure to operative anesthesia during the admission. Among all surgical procedures during the trauma admission, approximately 33% occurred within a level I trauma center, 23% occurred within a level II trauma center, and 44% occurred in a trauma center with a III, IV, or V designation. The predominant procedure category during a trauma admission was orthopedic. The presence of hypotension on admission (P < .01), increasing injury severity score (P < .01) and higher emergency department Glasgow Coma Score (P < .01) were all associated with surgical intervention during the trauma hospitalization, after adjustment for potential confounders. In level I trauma centers, for general surgical procedures, the median time to surgery was 2.5 hours; in level II trauma centers, the median time was 1.7 hours., Conclusions: This study highlights the frequent role anesthesiologists play in caring for patients who sustain traumatic injuries, in trauma centers levels I-V. In level II trauma centers, in-house anesthesiology coverage might have benefit for those patients requiring surgery within 1 hour, whereas the former American College of Surgeons requirement of 30-minute response time for out-of-hospital anesthesiology coverage is likely sufficient to provide satisfactory care to patients requiring surgery within 3 hours. Whether the increased cost of such in-house anesthesiology coverage at level II trauma centers is justified by its clinical benefit remains an unanswered question.
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- 2019
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22. Virtual Reality Analgesia in Labor: The VRAIL Pilot Study-A Preliminary Randomized Controlled Trial Suggesting Benefit of Immersive Virtual Reality Analgesia in Unmedicated Laboring Women.
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Frey DP, Bauer ME, Bell CL, Low LK, Hassett AL, Cassidy RB, Boyer KD, and Sharar SR
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- Adult, Cross-Over Studies, Female, Humans, Pain psychology, Pain Perception, Pilot Projects, Pregnancy, Prospective Studies, Severity of Illness Index, Young Adult, Analgesia methods, Labor, Obstetric, Pain Management methods, Pain Measurement methods, Virtual Reality Exposure Therapy
- Abstract
This pilot study investigated the use of virtual reality (VR) in laboring women. Twenty-seven women were observed for equivalent time during unmedicated contractions in the first stage of labor both with and without VR (order balanced and randomized). Numeric rating scale scores were collected after both study conditions. Significant decreases in sensory pain -1.5 (95% CI, -0.8 to -2.2), affective pain -2.5 (95% CI, -1.6 to -3.3), cognitive pain -3.1 (95% CI, -2.4 to -3.8), and anxiety -1.5 (95% CI, -0.8 to -2.3) were observed during VR. Results suggest that VR is a potentially effective technique for improving pain and anxiety during labor.
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- 2019
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23. The Nature of Trauma Pain and Its Association with Catastrophizing and Sleep.
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Accardi-Ravid MC, Dyer JR, Sharar SR, Wiechman S, Jensen MP, Hoffman HG, and Patterson DR
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- Adult, Female, Humans, Male, Middle Aged, Pain Measurement, Young Adult, Catastrophization psychology, Pain psychology, Sleep, Wounds and Injuries complications
- Abstract
Background: Nearly 2.8 million people are hospitalized in the USA annually for traumatic injuries, which include orthopedic and internal organ injuries. Early post-injury pain is predictive of poor outcomes, including inability to eventually return to work, and long-term psychological distress. The goal of the present study was to improve our scientific understanding of trauma-related pain by examining (1) the nature and frequency of inpatient trauma pain and (2) the associations between inpatient trauma pain, education, opioid analgesic equivalent use, pain catastrophizing, and sleep quality., Method: The study included 120 patients hospitalized at a major level I regional trauma center for the care of (1) closed long bone or calcaneus fractures and/or (2) an intraabdominal injury caused by blunt force trauma and requiring surgical repair (i.e., laparotomy). Medical records were reviewed to obtain demographic information and information about opioid use during hospitalization. In addition, participants were administered measures of average pain intensity, pain catastrophizing, and sleep quality., Results: Education, opioid analgesic equivalents, catastrophizing, and poor sleep quality together accounted for 28% of the variance of average pain intensity over a 24-h period (p < .001), with each variable making a significant independent association., Conclusion: Two of the factors associated with pain intensity in the study sample-catastrophizing and sleep quality-are modifiable. It is therefore possible that interventions that target these variables in patients who are hospitalized for trauma could potentially result in better long-term outcomes, including a reduced risk for developing chronic pain. Research to evaluate this possibility is warranted.
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- 2018
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24. Virtual reality analgesia for burn joint flexibility: A randomized controlled trial.
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Soltani M, Drever SA, Hoffman HG, Sharar SR, Wiechman SA, Jensen MP, and Patterson DR
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- Adolescent, Adult, Aged, Female, Humans, Male, Middle Aged, Pain, Young Adult, Analgesia methods, Burns rehabilitation, Pain Management methods, Physical Therapy Modalities, Range of Motion, Articular, Virtual Reality
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Objective: We conducted a randomized controlled study to determine the effects of virtual reality (VR) distraction on pain and range of motion (ROM) in patients hospitalized for burn care during active physical therapy exercises., Method: Thirty-nine participants aged 15 to 66 (M = 36) years with significant burn injuries (mean burn size = 14% TBSA) participated. Under therapist supervision, using a within-subjects design, participants performed unassisted active ROM exercises both with and without VR distraction in a randomized order. Therapists provided participants with instructions but did not physically assist with stretches. Maximum active ROM was measured using a goniometer. A 0-100 Graphic Rating Scale (GRS) was used to assess the cognitive, affective, and sensory components of pain. A GRS rating of the amount of "fun" during stretching served as a measure of positive experience., Results: Participants reported lower mean GRS ratings during VR, relative to No VR, for worst pain, pain unpleasantness, and time spent thinking about pain. They also reported having a more positive experience during VR than during No VR. However, patients did not show greater ROM during VR., Conclusion: Immersive VR reduced pain during ROM exercises that were under the control of the patient. (PsycINFO Database Record (c) 2018 APA, all rights reserved).
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- 2018
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25. Long-term sustainability of Washington State's quality improvement initiative for the management of pediatric spleen injuries.
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Booth BJ, Bowman SM, Escobar MA Jr, and Sharar SR
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- Adolescent, Child, Child, Preschool, Hospitals, Pediatric, Humans, Infant, Infant, Newborn, Retrospective Studies, Washington, Abdominal Injuries therapy, Quality Improvement, Spleen injuries, Spleen surgery, Splenectomy statistics & numerical data
- Abstract
Background: Initial results of Washington State's quality improvement initiative addressing the management of blunt traumatic pediatric spleen injuries were published in 2008. In this update, we evaluated whether these effects were sustained over time., Methods: Data from the Washington Trauma Registry for years 1999-2001 (pre-intervention), 2003-2005 (post-intervention), and 2012-2014 (follow-up) were used in a retrospective cohort study. Children between ages 0 to 14 years who were hospitalized with a traumatic blunt spleen injury were included. Multivariable logistic regression was used to account for patient, injury, and hospital characteristics., Results: Overall, splenectomies continued to be less common with 8.3% of pediatric patients receiving splenectomies in the follow-up period compared with 14.3% and 7.2% in the preintervention and post-intervention periods (p = 0.034). After adjustment, splenectomies remained less likely to be performed in both post-intervention (OR = 0.37; 95% CI = 0.16-0.90) and follow-up periods (OR = 0.29; 95% CI = 0.12-0.70) compared to pre-intervention. Children were much more likely to be cared for at pediatric trauma hospitals in the follow-up period (OR = 5.13; 95% CI = 2.79-9.43) after adjustment., Conclusions: Evaluation of this statewide quality improvement initiative showed that positive changes in management practices persist. This evidence suggests that statewide quality improvement initiatives can be sustainable with minimal ongoing effort., Level of Evidence: Level III., (Copyright © 2018 Elsevier Inc. All rights reserved.)
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- 2018
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26. KETAMINE AS A POSSIBLE MODERATOR OF HYPNOTIZABILITY: A FEASIBILITY STUDY.
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Patterson DR, Hoffer C, Jensen MP, Wiechman SA, and Sharar SR
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- Adult, Anesthetics, Dissociative administration & dosage, Double-Blind Method, Feasibility Studies, Female, Humans, Ketamine administration & dosage, Male, Middle Aged, Psychological Tests, Young Adult, Anesthetics, Dissociative therapeutic use, Hypnosis methods, Ketamine therapeutic use
- Abstract
This pilot study explored the feasibility of using ketamine to increase hypnotizability scores. Ketamine, classified as a dissociative hallucinogen, is used clinically as an anesthetic in high doses and as a treatment for chronic pain and depression in lower doses. Low-dose ketamine can contribute to dissociation and heightened perceptions and feelings of detachment, arguably hypnotic-like states. The authors predicted that a low dose of ketamine in healthy volunteers who scored in the low hypnotizable range on the Stanford Clinical Hypnotizability Scale would (a) cause an increase in subjective ratings of dissociation and (b) lead to an increase in hypnotizability. The findings were in the predicted direction, warranting further investigation into the use of this agent to increase hypnotizability.
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- 2018
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27. Alcohol-impaired driving in US counties, 2002-2012.
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Sunshine JE, Dwyer-Lindgren L, Chen A, Sharar SR, Palmisano EB, Bulger EM, and Mokdad AH
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- Adolescent, Adult, Alaska, Behavioral Risk Factor Surveillance System, Driving Under the Influence statistics & numerical data, Ethanol, Female, Humans, Male, Montana, Nebraska, North Dakota, Prevalence, Self Report, Wisconsin, Alcohol Drinking, Driving Under the Influence trends, Population Surveillance, Risk-Taking
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Background: Excessive alcohol consumption and alcohol-impaired driving remain significant public health problems, leading to considerable morbidity and mortality, particularly among younger populations., Methods: Using data from the Behavioral Risk Factor Surveillance System (BRFSS), we employed a small areas modeling strategy to estimate the county-level annual prevalence of alcohol-impaired driving in every United States county for the years 2002 through 2012, the latest year in which county identifiers were publicly available., Results: Alcohol-impaired driving episodes declined from 157.0 million in 2002 (prevalence 3.8%: 95% uncertainty interval [UI], 3.7%-4.0%) to 129.7 million in 2012 (prevalence 3.7%: 95% UI, 3.5%-3.8%), a 17.4% decline. There is considerable variation in the prevalence of alcohol-impaired driving at the county level, ranging from 2.0% in the Sitka City Borough of Alaska to 9.3% in Nance County, Nebraska. Clusters of increased alcohol-impaired driving were observed in Northern Wisconsin (Marinette, Florence, Forest, Vilas, Oneida, Iron counties), North Dakota (Cavalier, Pembina, Walsh, Ramsey, Nelson, Benson, Eddy counties) and Montana (Sheridan, Daniels, Roosevelt, Valley, Phillips, Petroleum, Garfield counties)., Conclusions: This study showed guarded progress with respect to the occurrence of alcohol-impaired driving episodes in the US from 2002 to 2012. Because these data rely on self-report, this likely represents an underestimate of the true prevalence of alcohol-impaired driving in the US. As the US continues to have several million episodes of alcohol-impaired driving each month, renewed efforts are needed to mitigate this high-risk health behavior.
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- 2018
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28. Methylprednisolone Therapy in Acute Traumatic Spinal Cord Injury: Analysis of a Regional Spinal Cord Model Systems Database.
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Sunshine JE, Dagal A, Burns SP, Bransford RJ, Zhang F, Newman SF, Nair BG, and Sharar SR
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- Adult, Anti-Inflammatory Agents pharmacology, Cohort Studies, Female, Humans, Linear Models, Male, Methylprednisolone pharmacology, Middle Aged, Recovery of Function drug effects, Retrospective Studies, Spinal Cord Injuries physiopathology, Anti-Inflammatory Agents therapeutic use, Databases, Factual, Methylprednisolone therapeutic use, Recovery of Function physiology, Spinal Cord Injuries diagnosis, Spinal Cord Injuries drug therapy
- Abstract
Background: The objective of this study was to assess the relationship between exposure to methylprednisolone (MP) and improvements in motor function among patients with acute traumatic spinal cord injury (TSCI). MP therapy for patients with TSCI is controversial because of the current conflicting evidence documenting its benefits and risks., Methods: We conducted a retrospective cohort study from September 2007 to November 2014 of 311 patients with acute TSCI who were enrolled into a model systems database of a regional, level I trauma center. We linked outcomes and covariate data from the model systems database with MP exposure data from the electronic medical record. The primary outcomes were rehabilitation discharge in American Spinal Injury Association (ASIA) motor scores (sum of 10 key muscles bilaterally as per International Standards for Neurological Classification of Spinal Cord Injury, range, 0-100) and Functional Independence Measure (FIM) motor scores (range, 13-91). Secondary outcomes measured infection risk and gastrointestinal (GI) complications among MP recipients. For the primary outcomes, multivariable linear regression was used., Results: There were 160 MP recipients and 151 nonrecipients. Adjusting for age, sex, weight, race, respective baseline motor score, surgical intervention, injury level, ASIA Impairment Scale (AIS) grade, education, and insurance status, there was no association with improvement in discharge ASIA motor function or FIM motor score among MP recipients: -0.34 (95% CI, -2.8, 2.1) and 0.75 (95% CI, -2.8, 4.3), respectively. Adjusting for age, sex, race, weight, injury level, and receipt of surgery, no association with increased risk of infection or GI complications was observed., Conclusions: This retrospective cohort study involving patients with acute TSCI observed no short-term improvements in motor function among MP recipients compared with nonrecipients. Our findings support current recommendations that MP use in this population should be limited.
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- 2017
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29. Circumplex Model of Affect: A Measure of Pleasure and Arousal During Virtual Reality Distraction Analgesia.
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Sharar SR, Alamdari A, Hoffer C, Hoffman HG, Jensen MP, and Patterson DR
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- Adult, Affect, Analgesia instrumentation, Anxiety psychology, Electric Stimulation adverse effects, Female, Hot Temperature adverse effects, Humans, Male, Middle Aged, Pain psychology, Pain Perception, Agnosia psychology, Analgesia methods, Analgesia psychology, Arousal, Attention, Computer Simulation, Pleasure, Psychometrics methods
- Abstract
Objective: Immersive virtual reality (VR) distraction provides clinically effective pain relief and increases subjective reports of "fun" in medical settings of procedural pain. The goal of this study was to better describe the variable of "fun" associated with VR distraction analgesia using the circumplex model (pleasure/arousal) of affect., Materials and Methods: Seventy-four healthy volunteers (mean age, 29 years; 37 females) received a standardized, 18-minute, multimodal pain sequence (alternating thermal heat and electrical stimulation to distal extremities) while receiving immersive, interactive VR distraction. Subjects rated both their subjective pain intensity and fun using 0-10 Graphic Rating Scales, as well as the pleasantness of their emotional valence and their state of arousal on 9-point scales., Results: Compared with pain stimulation in the control (baseline, no VR) condition, immersive VR distraction significantly reduced subjective pain intensity (P < 0.001). During VR distraction, compared with those reporting negative affect, subjects reporting positive affect did so more frequently (41 percent versus 9 percent), as well as reporting both greater pain reduction (22 percent versus 1 percent) and fun scores (7.0 ± 1.9 versus 2.4 ± 1.4). Several factors-lower anxiety, greater fun, greater presence in the VR environment, and positive emotional valence-were associated with subjective analgesia during VR distraction., Conclusions: Immersive VR distraction reduces subjective pain intensity induced by multimodal experimental nociception. Subjects who report less anxiety, more fun, more VR presence, and more positive emotional valence during VR distraction are more likely to report subjective pain reduction. These findings indicate VR distraction analgesia may be mediated through anxiolytic, attentional, and/or affective mechanisms.
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- 2016
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30. Trends in pediatric spleen management: Do hospital type and ownership still matter?
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Liu S, Bowman SM, Smith TC, and Sharar SR
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- Abdominal Injuries diagnosis, Abdominal Injuries epidemiology, Adolescent, Child, Child, Preschool, Female, Humans, Incidence, Infant, Infant, Newborn, Injury Severity Score, Male, Retrospective Studies, Splenectomy trends, United States epidemiology, Wounds, Nonpenetrating diagnosis, Wounds, Nonpenetrating epidemiology, Abdominal Injuries therapy, Disease Management, Hospitals, Pediatric organization & administration, Ownership, Spleen injuries, Trauma Centers organization & administration, Wounds, Nonpenetrating therapy
- Abstract
Background: Nonoperative management of traumatic blunt splenic injury is preferred over splenectomy because of improved outcomes and reduced complications. However, variability in treatment is previously reported with respect to hospital profit types and ownership., Methods: Our study objectives were to investigate the past decade's trends in pediatric splenic injury management and to determine whether previously reported disparities by hospital type have changed. We analyzed data from the Kid's Inpatient Database from Healthcare Cost and Utility Project for Years 2000, 2003, 2006, and 2009. Multivariable logistic regression was used to investigate the likelihood of receiving splenectomy in different hospital profit and ownership types. Patients 18 years and younger admitted with blunt splenic injury (DRG International Classification of Diseases-9th Rev.-Clinical Modification code 865) were included. Treatment was dichotomized into nonoperative management, defined as initial attempt at nonoperative management, and operative management, defined as splenectomy within 1 day of admission., Results: Of 17,044 patient records, 11,893 participants were studied. Not-for-profit hospitals demonstrated a higher rate of nonoperative management than for-profit hospitals in 2000 (83.8% vs. 71.0 %). Both not-for-profit and for-profit hospitals increased the use of nonoperative management, with a narrower disparity observed by 2009 (87.5% vs. 84.6%). The use of splenectomy was reduced significantly between 2000 and 2003 (odds ratio, 0.66; weighted 95% confidence interval, 0.54-0.81). The rate of nonoperative management in children's hospitals remained very high across the study period (98.6% in 2009) and continued to be the benchmark for pediatric spleen injury management., Conclusion: Improvement was observed in nonoperative management rates for pediatric spleen injuries in both not-for-profit and for-profit hospitals. However, general hospitals still fail to reach the target of 90% nonoperative management. Further investigations are needed to facilitate optimal management of such children in general hospitals., Levels of Evidence: Epidemiologic and prognostic study, level III.
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- 2015
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31. Feasibility of articulated arm mounted Oculus Rift Virtual Reality goggles for adjunctive pain control during occupational therapy in pediatric burn patients.
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Hoffman HG, Meyer WJ 3rd, Ramirez M, Roberts L, Seibel EJ, Atzori B, Sharar SR, and Patterson DR
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- Child, Eye Protective Devices, Feasibility Studies, Female, Humans, Male, Burns therapy, Occupational Therapy instrumentation, Pain Management methods, Virtual Reality Exposure Therapy instrumentation
- Abstract
For daily burn wound care and therapeutic physical therapy skin stretching procedures, powerful pain medications alone are often inadequate. This feasibility study provides the first evidence that entering an immersive virtual environment using very inexpensive (∼$400) wide field of view Oculus Rift Virtual Reality (VR) goggles can elicit a strong illusion of presence and reduce pain during VR. The patient was an 11-year-old male with severe electrical and flash burns on his head, shoulders, arms, and feet (36 percent total body surface area (TBSA), 27 percent TBSA were third-degree burns). He spent one 20-minute occupational therapy session with no VR, one with VR on day 2, and a final session with no VR on day 3. His rating of pain intensity during therapy dropped from severely painful during no VR to moderately painful during VR. Pain unpleasantness dropped from moderately unpleasant during no VR to mildly unpleasant during VR. He reported going "completely inside the computer generated world", and had more fun during VR. Results are consistent with a growing literature showing reductions in pain during VR. Although case studies are scientifically inconclusive by nature, these preliminary results suggest that the Oculus Rift VR goggles merit more attention as a potential treatment for acute procedural pain of burn patients. Availability of inexpensive but highly immersive VR goggles would significantly improve cost effectiveness and increase dissemination of VR pain distraction, making VR available to many more patients, potentially even at home, for pain control as well as a wide range of other VR therapy applications. This is the first clinical data on PubMed to show the use of Oculus Rift for any medical application.
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- 2014
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32. Similar liability for trauma and nontrauma surgical anesthesia: a closed claims analysis.
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Olivar H, Sharar SR, Stephens LS, Posner KL, and Domino KB
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- Adolescent, Adult, Aged, Anesthesia methods, Child, Child, Preschool, Databases, Factual trends, Female, Humans, Infant, Infant, Newborn, Male, Malpractice legislation & jurisprudence, Middle Aged, Outcome Assessment, Health Care trends, Patient Discharge, Trauma Centers legislation & jurisprudence, Trauma Centers trends, Wounds and Injuries epidemiology, Young Adult, Anesthesia trends, Insurance Claim Review trends, Liability, Legal, Malpractice trends, Wounds and Injuries therapy
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Background: Trauma care has many challenges, including the perception by nonanesthesia physicians of increased medical malpractice liability. We used the American Society of Anesthesiologists' Closed Claims Project database and the National Inpatient Sample (NIS) to compare the rate of claims for trauma anesthesia care to national trauma surgery data. We also used the American Society of Anesthesiologists' Closed Claims Project database to evaluate injury and liability profiles of trauma anesthesia malpractice claims compared to nontrauma surgical anesthesia claims., Methods: Surgical anesthesia claims for injuries that occurred between 1980 and 2005 in the American Society of Anesthesiologists' Closed Claims Project database of 8954 claims were included in this analysis. Trauma was defined using cause of injury criteria in state trauma registries, including out-of-hospital falls. To estimate national trauma anesthesia rates, we used injury codes in NIS reports to define trauma discharges and NIS discharges with surgical procedure codes for the denominator. The year-adjusted odds ratio and P value comparing the national trauma anesthesia injury rates and American Society of Anesthesiologists' Closed Claims Project inpatient claim rates in the 1990 to 2001 time period were calculated by a multivariate logistic regression of the injury/trauma outcome on year and the NIS/Closed Claims Project indicator. Payments in claim resolution between trauma claims and nontraumatic surgical anesthesia claims were compared by χ(2) analysis, Fisher exact test for proportions, and Kolmogorov-Smirnov test for payment amounts., Results: Trauma claims represented 6% of the total 6215 surgical anesthesia claims in the study period. The inpatient trauma claims rates were consistently lower than the NIS injury rates for 1990 to 2001. The year-adjusted odds ratio comparing the trauma claims rates to the NIS injury rates was 0.62 (95% confidence interval [CI], 0.53 to 0.72; P < 0.001, likelihood ratio test). Trauma claims and nontrauma surgical anesthesia claims did not differ in appropriateness of care, whether or not a payment was made to the plaintiff, or size of payments., Conclusion: Despite reported perceptions that trauma care involves a high risk of medical liability, there was no apparent increased risk of liability among inpatients presenting for trauma anesthesia care. The proportion in malpractice claims in trauma anesthesia care was not increased compared to nontraumatic surgical anesthesia care. With respect to medicolegal liability, these results support participation of anesthesia providers in multidisciplinary trauma care and organized systems.
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- 2012
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33. The ongoing and worldwide challenge of pediatric trauma.
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Sharar SR
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- 2012
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34. Virtual reality hypnosis pain control in the treatment of multiple fractures: a case series.
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Teeley AM, Soltani M, Wiechman SA, Jensen MP, Sharar SR, and Patterson DR
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- Adult, Analgesics, Opioid therapeutic use, Combined Modality Therapy, Fractures, Bone psychology, Fractures, Comminuted psychology, Fractures, Comminuted therapy, Humans, Male, Middle Aged, Multiple Trauma psychology, Pain Measurement psychology, Trauma Centers, Young Adult, Fractures, Bone therapy, Hypnosis methods, Multiple Trauma therapy, Pain Management methods, User-Computer Interface
- Abstract
This case series evaluated the use of virtual reality hypnosis (VRH) for the treatment of pain associated with multiple fractures from traumatic injuries. VRH treatment was administered on 2 consecutive days, and pain and anxiety were assessed each day before and after VRH treatment as well as on Day 3, which was 24 hours after the second treatment session. Pain reduction from baseline to Day 3 was from 70% to 30%, despite opioid analgesic use remaining stable. The subjective pain reduction reported by patients was encouraging, and the results of this case series suggest the importance of further study of VRH with larger samples using randomized controlled trials.
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- 2012
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35. Harborview burns--1974 to 2009.
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Engrav LH, Heimbach DM, Rivara FP, Kerr KF, Osler T, Pham TN, Sharar SR, Esselman PC, Bulger EM, Carrougher GJ, Honari S, and Gibran NS
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- Adolescent, Adult, Aged, Aged, 80 and over, Burns economics, Burns etiology, Burns therapy, Child, Child, Preschool, Female, Fluid Therapy, History, 20th Century, History, 21st Century, Hospitalization economics, Humans, Incidence, Infant, Male, Middle Aged, Resuscitation, Transportation of Patients, Washington epidemiology, Washington ethnology, Young Adult, Burns epidemiology
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Background: Burn demographics, prevention and care have changed considerably since the 1970s. The objectives were to 1) identify new and confirm previously described changes, 2) make comparisons to the American Burn Association National Burn Repository, 3) determine when the administration of fluids in excess of the Baxter formula began and to identify potential causes, and 4) model mortality over time, during a 36-year period (1974-2009) at the Harborview Burn Center in Seattle, WA, USA., Methods and Findings: 14,266 consecutive admissions were analyzed in five-year periods and many parameters compared to the National Burn Repository. Fluid resuscitation was compared in five-year periods from 1974 to 2009. Mortality was modeled with the rBaux model. Many changes are highlighted at the end of the manuscript including 1) the large increase in numbers of total and short-stay admissions, 2) the decline in numbers of large burn injuries, 3) that unadjusted case fatality declined to the mid-1980s but has changed little during the past two decades, 4) that race/ethnicity and payer status disparity exists, and 5) that the trajectory to death changed with fewer deaths occurring after seven days post-injury. Administration of fluids in excess of the Baxter formula during resuscitation of uncomplicated injuries was evident at least by the early 1990s and has continued to the present; the cause is likely multifactorial but pre-hospital fluids, prophylactic tracheal intubation and opioids may be involved., Conclusions: 1) The dramatic changes include the rise in short-stay admissions; as a result, the model of burn care practiced since the 1970s is still required but is no longer sufficient. 2) Fluid administration in excess of the Baxter formula with uncomplicated injuries began at least two decades ago. 3) Unadjusted case fatality declined to ∼6% in the mid-1980s and changed little since then. The rBaux mortality model is quite accurate.
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- 2012
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36. Trends in hospitalisations associated with paediatric burns.
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Bowman SM, Aitken ME, Maham SA, and Sharar SR
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- Adolescent, Age Factors, Benchmarking, Burns prevention & control, Child, Child, Preschool, Female, Hospitalization statistics & numerical data, Humans, Infant, Infant, Newborn, Male, United States epidemiology, Young Adult, Burns epidemiology, Hospitalization trends
- Abstract
Background: In the United States, burns are the third leading cause of unintentional injury death in children aged 1-14 years, accounting for more than 600 deaths per year in children aged 0-19 years., Objective: To describe trends in paediatric burn hospitalisations in the United States and provide national benchmarks for state and regional comparisons., Methods: Analysis of existing data (1993-2006) from the Nationwide Inpatient Sample-the largest, longitudinal, all-payer inpatient care database in the United States. Children aged 0-19 years were included., Main Outcome Measures: Estimated national annual rates of burn-related hospitalisations, stratified by age, gender, and in-hospital mortality., Results: From 1993 to 2006, the estimated annual incidence rate of paediatric hospitalisations associated with burns declined 40% from 27.3 (1993-94) to 16.1 per 100,000 (p<0.001). The rates declined for all age groups and for both boys and girls. Boys were consistently more likely to be hospitalised than girls (20.3 vs 11.7 hospitalisations per 100,000 during 2004-06, p<0.001). For children less than 5 years of age, burn hospitalisations decreased 46% from 65.2 per 100,000 in 1993-94 to 35.1 per 100,000 in 2004-06 (p<0.001). Fatal hospitalisation rates also declined from 0.3 deaths per 100,000 in 1993-94 to 0.1 in 2004-06 (p<0.001)., Conclusion: Paediatric hospitalisation rates for burns have decreased over the past 14 years. The study also provides national estimates of paediatric burn hospitalisations that can be used as benchmarks to further injury prevention effectiveness through targeting of effective strategies.
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- 2011
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37. The association between obesity and difficult prehospital tracheal intubation.
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Holmberg TJ, Bowman SM, Warner KJ, Vavilala MS, Bulger EM, Copass MK, and Sharar SR
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- Adolescent, Adult, Aged, Aged, 80 and over, Body Mass Index, Chi-Square Distribution, Clinical Competence, Emergency Medical Technicians, Female, Humans, Logistic Models, Male, Middle Aged, Obesity diagnosis, Odds Ratio, Retrospective Studies, Risk Assessment, Risk Factors, Severity of Illness Index, Washington, Young Adult, Emergency Medical Services, Intubation, Intratracheal adverse effects, Obesity complications
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Background: Nonphysician advanced life support (ALS) providers often perform tracheal intubation (TI) for cardiac arrest or other life-threatening indications in the prehospital setting, where airway assessment and airway management tools are limited. However, the frequency of difficult TI in obese patients in this setting is unclear. In this study we determined factors associated with TI success, and determined TI difficulty as a function of body mass index (BMI) in a system of ALS providers experienced in TI, to guide future prehospital education efforts., Methods: A retrospective review was performed of all patients ≥15 years of age who underwent prehospital TI by paramedics in the Seattle Medic One system over a 4-year period, and were transported to the regional level 1 trauma center (Harborview Medical Center). Data were abstracted from a prospectively collected prehospital airway management database and from the hospital medical records, including demographic information, number of TI attempts, TI success or failure, and body weight/height (BMI). Descriptive statistics and multivariable logistic regression were calculated, with the primary end point being difficult TI (defined as ≥4 TI attempts or the need to use an alternative airway management technique)., Results: Of 80,501 patient contacts in whom 4114 TIs were attempted during the 4-year study period, 823 met study entry criteria (including a calculable BMI). The overall TI success rate in the study population was 98.5% (811 out of 823), with 6.8% (56 out of 823) meeting the predetermined definition for difficult TI. There was no significant association between difficult TI and patient age, gender, use of succinylcholine, or medical diagnosis (trauma vs. nontrauma). In comparison with the lean patient subgroup (BMI <30 kg/m(2)), patients with class III obesity (BMI >40 kg/m(2)) had a significant association with difficult TI (odds ratio 3.68; confidence interval [CI] 1.27-10.59), whereas those with class I/II obesity (BMI ≥30 kg/m(2) and <40 kg/m(2)) did not (odds ratio 0.98; CI 0.46 -2.07)., Conclusions: Among prehospital ALS providers with previously documented and published successful TI performance, increased difficulty with TI was observed in patients with extreme obesity, but not in patients with lesser degrees of obesity. Because extreme obesity is an easily identifiable patient characteristic, didactic and clinical (e.g., operating room) airway management education for such providers should emphasize airway management challenges and strategies associated with obesity, including specific equipment, patient positioning, and practice recommendations that may facilitate both TI and alternative airway management techniques in this population., (© 2011 International Anesthesia Research Society)
- Published
- 2011
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38. Virtual reality as an adjunctive non-pharmacologic analgesic for acute burn pain during medical procedures.
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Hoffman HG, Chambers GT, Meyer WJ 3rd, Arceneaux LL, Russell WJ, Seibel EJ, Richards TL, Sharar SR, and Patterson DR
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- Attention physiology, Brain physiopathology, Burns complications, Burns physiopathology, Humans, Magnetic Resonance Imaging, Pain complications, Analgesia methods, Burns therapy, Pain Management, User-Computer Interface
- Abstract
Introduction: Excessive pain during medical procedures is a widespread problem but is especially problematic during daily wound care of patients with severe burn injuries., Methods: Burn patients report 35-50% reductions in procedural pain while in a distracting immersive virtual reality, and fMRI brain scans show associated reductions in pain-related brain activity during VR. VR distraction appears to be most effective for patients with the highest pain intensity levels. VR is thought to reduce pain by directing patients' attention into the virtual world, leaving less attention available to process incoming neural signals from pain receptors., Conclusions: We review evidence from clinical and laboratory research studies exploring Virtual Reality analgesia, concentrating primarily on the work ongoing within our group. We briefly describe how VR pain distraction systems have been tailored to the unique needs of burn patients to date, and speculate about how VR systems could be tailored to the needs of other patient populations in the future.
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- 2011
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39. A randomized, controlled trial of immersive virtual reality analgesia, during physical therapy for pediatric burns.
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Schmitt YS, Hoffman HG, Blough DK, Patterson DR, Jensen MP, Soltani M, Carrougher GJ, Nakamura D, and Sharar SR
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- Adolescent, Burns complications, Child, Cross-Over Studies, Female, Humans, Male, Pain psychology, Pain Measurement, Pediatrics methods, Range of Motion, Articular, Young Adult, Analgesia methods, Burns rehabilitation, Pain Management, Physical Therapy Modalities, User-Computer Interface
- Abstract
This randomized, controlled, within-subjects (crossover design) study examined the effects of immersive virtual reality as an adjunctive analgesic technique for hospitalized pediatric burn inpatients undergoing painful physical therapy. Fifty-four subjects (6-19 years old) performed range-of-motion exercises under a therapist's direction for 1-5 days. During each session, subjects spent equivalent time in both the virtual reality and the control conditions (treatment order randomized and counterbalanced). Graphic rating scale scores assessing the sensory, affective, and cognitive components of pain were obtained for each treatment condition. Secondary outcomes assessed subjects' perception of the virtual reality experience and maximum range-of-motion. Results showed that on study day one, subjects reported significant decreases (27-44%) in pain ratings during virtual reality. They also reported improved affect ("fun") during virtual reality. The analgesia and affect improvements were maintained with repeated virtual reality use over multiple therapy sessions. Maximum range-of-motion was not different between treatment conditions, but was significantly greater after the second treatment condition (regardless of treatment order). These results suggest that immersive virtual reality is an effective nonpharmacologic, adjunctive pain reduction technique in the pediatric burn population undergoing painful rehabilitation therapy. The magnitude of the analgesic effect is clinically meaningful and is maintained with repeated use., (Copyright © 2010 Elsevier Ltd and ISBI. All rights reserved.)
- Published
- 2011
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40. VIRTUAL REALITY HYPNOSIS FOR PAIN CONTROL IN A PATIENT WITH GLUTEAL HIDRADENITIS:A CASE REPORT().
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Soltani M, Teeley AM, Wiechman SA, Jensen MP, Sharar SR, and Patterson DR
- Abstract
This case report describes the use of hypnotic analgesia induced through immersive three-dimensional computer-generated virtual reality, better known as virtual reality hypnosis (VRH), in the treatment of a patient with ongoing pain associated with gluteal hidradenitis, The patient participated in the study for two consecutive days white hospitalized at a regional trauma centre. At pretreatment, she reported severe pain intensity and unpleasantness as well as high levels of anxiety and nervousness. She was then administered two sessions of virtual reality hypnotic treatment for decreased pain and anxiety. The patient's ratings of 'time spent thinking about pain', pain intensity, 'unpleasantness of pain', and anxiety decreased from before to after each daily VRH session, as well as from Day One to Day Two. The findings indicate that VRH may benefit individuals with severe, ongoing pain from a chronic condition, and that a controlled clinical trial examining its efficacy is warranted.
- Published
- 2011
41. Variability in pediatric splenic injury care: results of a national survey of general surgeons.
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Bowman SM, Bulger E, Sharar SR, Maham SA, and Smith SD
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- Blood Transfusion statistics & numerical data, Extravasation of Diagnostic and Therapeutic Materials, Hemodynamics, Humans, Logistic Models, Surveys and Questionnaires, Tomography, X-Ray Computed, United States epidemiology, Wounds, Nonpenetrating diagnostic imaging, Wounds, Nonpenetrating epidemiology, Guideline Adherence, Health Knowledge, Attitudes, Practice, Pediatrics methods, Practice Guidelines as Topic, Practice Patterns, Physicians' statistics & numerical data, Spleen injuries, Splenectomy statistics & numerical data, Wounds, Nonpenetrating surgery
- Abstract
Background: Although nonoperative management is the standard of care for hemodynamically stable children with blunt splenic trauma, significant variation in practice exists. Little attention has been given to physician factors associated with management differences., Design: Nationally representative mail survey conducted in June 2008., Setting: United States., Participants: Ten percent random sample of active, dues-paying fellows in the American College of Surgeons., Main Outcome Measures: Knowledge, attitudes, and beliefs toward pediatric splenic injury management, including the role of clinical practice guidelines., Results: Almost all of the 375 responding surgeons (97.4%) agreed that surgical intervention is not immediately necessary for hemodynamically stable children. However, surgeons reported significant disagreement regarding whether blood should be administered before operative intervention for hemodynamically unstable children and whether explorative surgery is needed for stable patients with evidence of contrast extravasation on computed tomography. Only 18.7% of surgeons reported being very familiar with the clinical practice guidelines for the management of pediatric blunt splenic trauma from either the Eastern Association for the Surgery of Trauma or the American Pediatric Surgical Association. Surgeons who were very familiar with either guideline were significantly more likely to rate the guidelines as beneficial (90.0% vs 72.8%, P = .002)., Conclusions: General surgeons reported varying degrees of familiarity with and use of clinical practice guidelines for pediatric splenic injury management. Limited pediatric experience and lack of pediatric hospital resources may limit more widespread adoption of nonoperative management. Targeted educational interventions may help increase surgeon knowledge of guidelines and best practices.
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- 2010
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42. Timing of intubation and ventilator-associated pneumonia following injury.
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Evans HL, Zonies DH, Warner KJ, Bulger EM, Sharar SR, Maier RV, and Cuschieri J
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- Adult, Bronchoalveolar Lavage, Bronchoscopy, Chi-Square Distribution, Comorbidity, Cross Infection diagnosis, Cross Infection mortality, Emergency Treatment, Female, Glasgow Coma Scale, Hospital Mortality, Humans, Injury Severity Score, Intubation, Intratracheal mortality, Length of Stay statistics & numerical data, Logistic Models, Male, Middle Aged, Pneumonia, Ventilator-Associated diagnosis, Pneumonia, Ventilator-Associated mortality, Retrospective Studies, Risk Factors, Time Factors, Trauma Centers, Wounds and Injuries mortality, Cross Infection etiology, Intubation, Intratracheal methods, Pneumonia, Ventilator-Associated etiology
- Abstract
Hypothesis: In an emergency medical system with established rapid-sequence intubation protocols, prehospital (PH) intubation of patients with trauma is not associated with a higher rate of ventilator-associated pneumonia (VAP) than emergency department (ED) intubation., Design: Retrospective observational cohort., Setting: Level I trauma center., Patients: Adult patients with trauma intubated in a PH or an ED setting from July 1, 2007, through July 31, 2008., Main Outcome Measures: Diagnosis of VAP by means of bronchoscopic alveolar lavage or clinical assessment when bronchoscopic alveolar lavage was impossible. Secondary outcomes included time to VAP, length of hospitalization, and in-hospital mortality., Results: Of 572 patients, 412 (72.0%) underwent PH intubation. The ED group was older than the PH group (mean ages, 46.4 vs 39.1 years; P < .001) and had a higher incidence of blunt injury (142 [88.8%] vs 322 [78.2%]; P = .002). The mean (SD) lowest recorded ED systolic blood pressure was lower in the ED group (102.8 [1.9] vs 111.4 [1.2] mm Hg; P < .001), despite similar mean injury severity scores in both groups (27.2 [0.7] vs 27.0 [1.1]; P = .94). There was no difference in the mean rate of VAP (30 [18.8%] vs 71 [17.2%]; P = .66) or mean time to diagnosis (8.1 [1.2] vs 7.8 [1.0] days; P = .89). Logistic regression analysis identified history of drug abuse, lowest recorded ED systolic blood pressure, and injury severity score as 3 independent factors predictive of VAP., Conclusions: Prehospital intubation of patients with trauma is not associated with higher risk of VAP. Further investigation of intubation factors and the incidence and timing of aspiration is required to identify potentially modifiable factors to prevent VAP.
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- 2010
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43. Perioperative use of cuffed endotracheal tubes is advantageous in young pediatric burn patients.
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Dorsey DP, Bowman SM, Klein MB, Archer D, and Sharar SR
- Subjects
- Anesthesia, General instrumentation, Anesthesia, General methods, Burns physiopathology, Child, Child, Preschool, Female, Humans, Infant, Intubation, Intratracheal methods, Logistic Models, Male, Perioperative Care, Respiratory Sounds diagnosis, Retrospective Studies, Risk Factors, Tidal Volume, Treatment Failure, Burns therapy, Intubation, Intratracheal instrumentation
- Abstract
Uncuffed endotracheal tubes traditionally have been preferred over cuffed endotracheal tubes in young pediatric patients. However, recent evidence in elective pediatric surgical populations suggests otherwise. Because young pediatric burn patients can pose unique airway and ventilation challenges, we reviewed adverse events associated with the perioperative use of cuffed and uncuffed endotracheal tubes. We retrospectively reviewed 327 cases of operating room endotracheal intubation for general anesthesia in burned children 0-10 years of age over a 10-year period. Clinical airway outcomes were compared using multivariable logistic regression, controlling for relevant patient and injury characteristics. Compared to those receiving cuffed tubes, children receiving uncuffed tubes were significantly more likely to demonstrate clinically significant loss of tidal volume (odds ratio 10.62, 95% confidence interval 2.2-50.5) and require immediate reintubation to change tube size/type (odds ratio 5.54, 95% confidence interval 2.1-13.6). No significant differences were noted for rates of post-extubation stridor. Our data suggest that operating room use of uncuffed endotracheal tubes in such patients is associated with increased rates of tidal volume loss and reintubation. Due to the frequent challenge of airway management in this population, strategies should emphasize cuffed endotracheal tube use that is associated with lower rates of airway manipulation., (2009 Elsevier Ltd and ISBI. All rights reserved.)
- Published
- 2010
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44. Virtual reality hypnosis for pain associated with recovery from physical trauma.
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Patterson DR, Jensen MP, Wiechman SA, and Sharar SR
- Subjects
- Adolescent, Adult, Female, Humans, Male, Middle Aged, Pain Measurement, Treatment Outcome, User-Computer Interface, Young Adult, Hypnosis, Anesthetic, Pain Management, Wounds and Injuries rehabilitation
- Abstract
Pain following traumatic injuries is common, can impair injury recovery and is often inadequately treated. In particular, the role of adjunctive nonpharmacologic analgesic techniques is unclear. The authors report a randomized, controlled study of 21 hospitalized trauma patients to assess the analgesic efficacy of virtual reality hypnosis (VRH)-hypnotic induction and analgesic suggestion delivered by customized virtual reality (VR) hardware/software. Subjective pain ratings were obtained immediately and 8 hours after VRH (used as an adjunct to standard analgesic care) and compared to both adjunctive VR without hypnosis and standard care alone. VRH patients reported less pain intensity and less pain unpleasantness compared to control groups. These preliminary findings suggest that VRH analgesia is a novel technology worthy of further study, both to improve pain management and to increase availability of hypnotic analgesia to populations without access to therapist-provided hypnosis and suggestion.
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- 2010
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45. Paramedic training for proficient prehospital endotracheal intubation.
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Warner KJ, Carlbom D, Cooke CR, Bulger EM, Copass MK, and Sharar SR
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- Canada, Cohort Studies, Education organization & administration, Emergency Medical Services, Humans, Prospective Studies, Clinical Competence, Emergency Medical Technicians education, Intubation, Intratracheal standards
- Abstract
Background: Emergency airway management is an important component of resuscitation of critically ill patients. Multiple studies demonstrate variable endotracheal intubation (ETI) success by prehospital providers. Data describing how many ETI training experiences are required to achieve high success rates are sparse., Objectives: To describe the relationship between the number of prehospital ETI experiences and the likelihood of success on subsequent ETI and to specifically look at uncomplicated first-pass ETI in a university-based training program with substantial resources., Methods: We conducted a secondary analysis of a prospectively collected cohort of paramedic student prehospital intubation attempts. Data collected on prehospital ETIs included indication, induction agents, number of direct laryngoscopy attempts, and advanced airway procedures performed. We used multivariable generalized estimating equations (GEE) analysis to determine the effect of cumulative ETI experience on first-pass and overall ETI success rates., Results: Over a period of three years, 56 paramedic students attempted 576 prehospital ETIs. The odds of overall ETI success were associated with cumulative ETI experience (odds ratio [OR] 1.097 per encounter, 95% confidence interval [CI] = 1.026-1.173, p = 0.006). The odds of first-pass ETI success were associated with cumulative ETI experience (OR 1.061 per encounter, 95% CI = 1.014-1.109, p = 0.009)., Conclusion: In a training program with substantial clinical opportunities and resources, increased ETI success rates were associated with increasing clinical exposure. However, first-pass placement of the ETT with a high success rate requires high numbers of ETI training experiences that may exceed the number available in many training programs.
- Published
- 2010
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46. Pain management in patients with burn injuries.
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Wiechman Askay S, Patterson DR, Sharar SR, Mason S, and Faber B
- Subjects
- Analgesics, Non-Narcotic therapeutic use, Analgesics, Opioid therapeutic use, Anesthetics therapeutic use, Burns complications, Burns psychology, Cognitive Behavioral Therapy, Humans, Hypnosis, Anesthetic, Imagery, Psychotherapy, Pain drug therapy, Relaxation Therapy, Burns therapy, Pain Management
- Published
- 2009
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47. Regional anesthesia for acute traumatic injuries in the emergency room.
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Grabinsky A and Sharar SR
- Subjects
- Humans, Anesthesia, Conduction methods, Anesthesia, Conduction trends, Emergency Medical Services methods, Emergency Medical Services trends, Wounds and Injuries
- Abstract
Since the introduction of cocaine in 1884, regional nerve block procedures have been used in anesthesia practice for over 100 years. While almost all medical specialties use simple regional anesthesia techniques, anesthesia providers use a wider variety of more specific nerve block techniques than any other speciality. Anesthesiologists have assumed a vital role in recent military conflicts and, together with surgeons and emergency physicians, have introduced regional anesthesia techniques for the treatment and transport of injured soldiers. While such techniques have only been applied to a limited extent in civilian emergency settings, it is likely that current military experience will enhance future use of regional anesthesia techniques for the care of trauma patients in the civilian prehospital and emergency room settings.
- Published
- 2009
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48. Prehospital management of the difficult airway: a prospective cohort study.
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Warner KJ, Sharar SR, Copass MK, and Bulger EM
- Subjects
- Airway Obstruction surgery, Algorithms, Cohort Studies, Female, Humans, Laryngeal Muscles surgery, Life Support Systems, Male, Middle Aged, Neuromuscular Blocking Agents administration & dosage, Prospective Studies, Succinylcholine administration & dosage, Airway Obstruction therapy, Emergency Medical Services methods, Intubation, Intratracheal methods
- Abstract
The role of prehospital endotracheal intubation (ETI) remains controversial, with significant national variability in practice. The purpose of this project was to evaluate ETI management in a system of advanced life support (ALS) providers experienced in ETI and other advanced airway techniques, and describe management and outcomes of patients with a "difficult airway." Data were collected prospectively for all ETIs performed by the fire department over a 4-year period (2001-2005), and included demographics, number of laryngoscopy attempts, airway procedures, complications, and outcomes. Of 80,501 ALS patient contacts, 4091 (5.1%) underwent attempted oral ETI, with a 96.8% success rate in four or fewer attempts. The difficult airway cohort included 130 patients (3.2%), whose airway management consisted of oral ETI after more than four attempts (46%), bag-valve-mask ventilation (33%), cricothyroidotomy (8%), retrograde ETI (5%), and digital ETI (1%). Procedural success rates ranged from 14% (digital ETI) to 91% (cricothyroidotomy). Nine patients (7%) had failed airway management, of whom 5 were found in cardiac arrest. The two most common reasons subjectively reported by ALS providers for airway difficulty were anterior trachea (39%) and small mouth (30%). Overall mortality for the difficult airway cohort was 44%. Prehospital ETI can be performed with a high success rate by experienced ALS providers, but may still require advanced airway techniques in a small subset of patients. Patient anatomy is a primary factor in failed ETI. Among the advanced procedures, cricothyroidotomy had the highest success rate and should not be delayed by other interventions.
- Published
- 2009
- Full Text
- View/download PDF
49. VIRTUAL REALITY HYPNOSIS.
- Author
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Askay SW, Patterson DR, and Sharar SR
- Abstract
Scientific evidence for the viability of hypnosis as a treatment for pain has flourished over the past two decades (Rainville, Duncan, Price, Carrier and Bushnell, 1997; Montgomery, DuHamel and Redd, 2000; Lang and Rosen, 2002; Patterson and Jensen, 2003). However its widespread use has been limited by factors such as the advanced expertise, time and effort required by clinicians to provide hypnosis, and the cognitive effort required by patients to engage in hypnosis.The theory in developing virtual reality hypnosis was to apply three-dimensional, immersive, virtual reality technology to guide the patient through the same steps used when hypnosis is induced through an interpersonal process. Virtual reality replaces many of the stimuli that the patients have to struggle to imagine via verbal cueing from the therapist. The purpose of this paper is to explore how virtual reality may be useful in delivering hypnosis, and to summarize the scientific literature to date. We will also explore various theoretical and methodological issues that can guide future research.In spite of the encouraging scientific and clinical findings, hypnosis for analgesia is not universally used in medical centres. One reason for the slow acceptance is the extensive provider training required in order for hypnosis to be an effective pain management modality. Training in hypnosis is not commonly offered in medical schools or even psychology graduate curricula. Another reason is that hypnosis requires far more time and effort to administer than an analgesic pill or injection. Hypnosis requires training, skill and patience to deliver in medical centres that are often fast-paced and highly demanding of clinician time. Finally, the attention and cognitive effort required for hypnosis may be more than patients in an acute care setting, who may be under the influence of opiates and benzodiazepines, are able to impart. It is a challenge to make hypnosis a standard part of care in this environment.Over the past 25 years, researchers have been investigating ways to make hypnosis more standardized and accessible. There have been a handful of studies that have looked at the efficacy of using audiotapes to provide the hypnotic intervention (Johnson and Wiese, 1979; Hart, 1980; Block, Ghoneim, Sum Ping and Ali, 1991; Enqvist, Bjorklund, Engman and Jakobsson, 1997; Eberhart, Doring, Holzrichter, Roscher and Seeling, 1998; Perugini, Kirsch, Allen, et al., 1998; Forbes, MacAuley, Chiotakakou-Faliakou, 2000; Ghoneim, Block, Sarasin, Davis and Marchman, 2000). These studies have yielded mixed results. Generally, we can conclude that audio-taped hypnosis is more effective than no treatment at all, but less effective than the presence of a live hypnotherapist. Grant and Nash (1995) were the first to use computer-assisted hypnosis as a behavioural measure to assess hypnotizability. They used a digitized voice that guided subjects through a procedure and tailored software according to the subject's unique responses and reactions. However, it utilized conventional two-dimensional screen technology that required patients to focus their attention on a computer screen, making them vulnerable to any type of distraction that might enter the environment. Further, the two-dimensional technology did not present compelling visual stimuli for capturing the user's attention.
- Published
- 2009
- Full Text
- View/download PDF
50. INTERACTIVITY INFLUENCES THE MAGNITUDE OF VIRTUAL REALITY ANALGESIA.
- Author
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Wender R, Hoffman HG, Hunner HH, Seibel EJ, Patterson DR, and Sharar SR
- Abstract
Despite medication with opioids and other powerful pharmacologic pain medications, most patients rate their pain during severe burn wound care as severe to excruciating. Excessive pain is a widespread medical problem in a wide range of patient populations. Immersive virtual reality (VR) distraction may help reduce pain associated with medical procedures. Recent research manipulating immersiveness has shown that a high tech VR helmet reduces pain more effectively than a low tech VR helmet. The present study explores the effect of interactivity on the analgesic effectiveness of virtual reality. Using a double blind design, in the present study, twenty-one volunteers were randomly assigned to one of two groups, and received a thermal pain stimulus during either interactive VR, or during non-interactive VR. Subjects in both groups individually glided through the virtual world, but one group could look around and interact with the environment using the trackball, whereas participants in the other group had no trackball. Afterwards, each participant provided subjective 0-10 ratings of cognitive, sensory and affective components of pain, and the amount of fun during the pain stimulus. Compared to the non-interactive VR group, participants in the interactive VR group showed 75% more reduction in pain unpleasantness (p < .005) and 74% more reduction in worst pain (p < .005). Interactivity increased the analgesic effectiveness of immersive virtual reality.
- Published
- 2009
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