Research Topics
| Sam R ShararSummaryAffiliation: University of Washington Country: USA Publications
Research Grants
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Detail Information
Publications
Factors influencing the efficacy of virtual reality distraction analgesia during postburn physical therapy: preliminary results from 3 ongoing studiesSam R Sharar
Department of Anesthesiology, University of Washington, Seattle, WA, USA
Arch Phys Med Rehabil 88:S43-9. 2007....
Applications of virtual reality for pain management in burn-injured patientsSam R Sharar
Department of Anesthesiology, Harborview Medical Center, Seattle, WA 98104, USA
Expert Rev Neurother 8:1667-74. 2008....
Virtual reality pain control during physical therapy range of motion exercises for a patient with multiple blunt force trauma injuriesHunter G Hoffman
Human Interface Technology Laboratory and Department of Mechanical Engineering, University of Washington, Seattle, Washington 98104, USA
Cyberpsychol Behav 12:47-9. 2009..The potential utility of VR analgesia for movement or exercise therapy for patients with blunt force trauma injuries should be explored in controlled studies...- A randomized, controlled trial of immersive virtual reality analgesia, during physical therapy for pediatric burnsYuko S Schmitt
Department of Anesthesiology, University of Washington, Seattle, WA, USA
Burns 37:61-8. 2011..The magnitude of the analgesic effect is clinically meaningful and is maintained with repeated use... - Water-friendly virtual reality pain control during wound careHunter G Hoffman
Human Interface Technology Laboratory, University of Washington, Seattle 98195, USA
J Clin Psychol 60:189-95. 2004..The water-friendly VR helmet dramatically increases the number of patients with severe burns that could potentially be treated with VR (see http://www.vrpain.com)... - The analgesic effects of opioids and immersive virtual reality distraction: evidence from subjective and functional brain imaging assessmentsHunter G Hoffman
Department of Mechanical Engineering, University of Washington, Seattle, Washington 98195, USA
Anesth Analg 105:1776-83, table of contents. 2007..We used subjective pain ratings and functional magnetic resonance imaging to measure pain and pain-related brain activity in subjects receiving opioid and/or VR distraction... - Modulation of thermal pain-related brain activity with virtual reality: evidence from fMRIHunter G Hoffman
Human Interface Technology Lab, and Department of Radiology, Box 352142, University of Washington, 1959 NE Pacific, Seattle, WA 98195, USA
Neuroreport 15:1245-8. 2004..002, corrected). Results showed direct modulation of human brain pain responses by virtual reality distraction... - Manipulating presence influences the magnitude of virtual reality analgesiaHunter G Hoffman
Human Interface Technology Laboratory, 215 Fluke Hall, Box 352142, University of Washington, Seattle, WA 98195, USA
Pain 111:162-8. 2004..1 for High Tech VR vs. 0.7 for Low Tech VR, P < 0.001). Across groups, the amount of pain reduction was positively and significantly correlated with VR presence levels reported by subjects ( r = 0.48 for 'worst pain', P < 0.005)... - Virtual reality hypnosis pain control in the treatment of multiple fractures: a case seriesAubriana M Teeley
Department of Rehabilitation Medicine, University of Washington, Harborview Medical Center, 325 Ninth Avenue, Box 359612, Seattle, WA 98104, USA
Am J Clin Hypn 54:184-94. 2012..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... - Using FMRI to study the neural correlates of virtual reality analgesiaHunter G Hoffman
Virtual Reality Analgesia Research Center, Department of Radiology and Psychology, University of Washington Human Interface Technology Laboratory, Seattle, WA, USA
CNS Spectr 11:45-51. 2006..Together the clinical and laboratory studies provide converging evidence that VR distraction is a promising new non-pharmacologic pain control technique... - Virtual reality as an adjunctive non-pharmacologic analgesic for acute burn pain during medical proceduresHunter G Hoffman
University of Washington, Seattle, USA
Ann Behav Med 41:183-91. 2011..Excessive pain during medical procedures is a widespread problem but is especially problematic during daily wound care of patients with severe burn injuries... - Virtual reality pain control during burn wound debridement in the hydrotankHunter G Hoffman
Human Interface Technology Laboratory, Departments of Mechanical Engineering, University of Washington, Seattle, WA, USA
Clin J Pain 24:299-304. 2008..We explored the adjunctive use of water-friendly, immersive virtual reality (VR) to distract patients from their pain during burn wound debridement in the hydrotherapy tank (hydrotank)... - Virtual reality helmet display quality influences the magnitude of virtual reality analgesiaHunter G Hoffman
Human Interface Technology Laboratory, University of Washington, Seattle, Washington, USA
J Pain 7:843-50. 2006..Adjunctive virtual reality distraction can substantially reduce procedural pain. The results of the present study show that a higher quality VR helmet was more effective at reducing pain than a lower quality VR helmet... - Virtual reality hypnosis for pain associated with recovery from physical traumaDavid R Patterson
Department of Rehabilitation Medicine, University of Washington, Seattle, WA 98104, USA
Int J Clin Exp Hypn 58:288-300. 2010.... - A magnet-friendly virtual reality fiberoptic image delivery systemHunter G Hoffman
Human Interface Technology Laboratory, University of Washington, Seattle, Washington 98195, USA
Cyberpsychol Behav 6:645-8. 2003..vrpain.com)... - Pre-hospital intubation factors and pneumonia in trauma patientsHeather L Evans
Department of Surgery, Harborview Medical Center, University of Washington, Seattle, Washington 98104, USA
Surg Infect (Larchmt) 12:339-44. 2011..A subset of PH intubations with continuous quality assessment was re-examined to identify the intubation factors associated with VAP... - Impact of a statewide quality improvement initiative in improving the management of pediatric splenic injuries in washington stateStephen M Bowman
Departments of Health Services, University of Washington, Olympia, Washington, USA
J Trauma 64:1478-83. 2008..We evaluated pediatric splenic injury management before and after the implementation of a statewide quality improvement initiative... - Harborview burns--1974 to 2009Loren H Engrav
Division of Plastic Surgery, Department of Surgery, University of Washington, Seattle, Washington, United States of America
PLoS ONE 7:e40086. 2012.... - The association between obesity and difficult prehospital tracheal intubationTimothy J Holmberg
Department of Anesthesiology, University of Washington, Seattle, WA 98104, USA
Anesth Analg 112:1132-8. 2011..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... - Hypnosis delivered through immersive virtual reality for burn pain: A clinical case seriesDavid R Patterson
University of Washington School of Medicine, Seattle, Washington, USA
Int J Clin Exp Hypn 54:130-42. 2006..The results support additional research on the utility and efficacy of hypnotic analgesia provided by virtual reality hypnosis... - Comparison of patient satisfaction and self-reports of pain in adult burn-injured patientsGretchen J Carrougher
Department of Rehabilitation Medicine, University of Washington School of Medicine and Harborview Medical Center, Seattle, Washington 98104, USA
J Burn Care Rehabil 24:1-8. 2003.... - Regional anesthesia for acute traumatic injuries in the emergency roomAndreas Grabinsky
Department of Anesthesiology, Harborview Medical Center, 359724, 325 Ninth Avenue, Seattle, WA 98104, USA
Expert Rev Neurother 9:1677-90. 2009.... - Paramedic training for proficient prehospital endotracheal intubationKeir J Warner
Department of Surgery, Harborview Medical Center, University of Washington, Seattle, Washington 98104, USA
Prehosp Emerg Care 14:103-8. 2010..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... - Virtual reality hypnosis: a case reportDavid R Patterson
Department of Rehabilitation Medicine, University of Washington School of Medicine, Seattle 98104, USA
Int J Clin Exp Hypn 52:27-38. 2004..Pain dropped similar levels on Day 42 with an audio-only version of the intervention and then returned to baseline without intervention on Day 43... - Association of hospital trauma designation with admission patterns of injured childrenMonica S Vavilala
Department of Anesthesiology, University of Washington School of Medicine, Harborview Medical Center, Seattle, Washington 98104 2499, USA
J Trauma 57:119-24; discussion 124. 2004..The purpose of this study was to estimate whether formal adoption of a statewide trauma system was associated with hospital admission patterns of injured children... - Microbubble-enhanced hemorrhage control using high intensity focused ultrasoundVesna Zderic
Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
Ultrasonics 45:113-20. 2006..Our results suggest potential utility of UCA for increasing efficiency of HIFU-induced hemostasis of solid organ injuries... - Hospital characteristics associated with the management of pediatric splenic injuriesStephen M Bowman
Department of Health Services, University of Washington, Seattle, USA
JAMA 294:2611-7. 2005..As asplenic children are at increased risk of overwhelming postsplenectomy infection, nonoperative management may be considered a quality of care indicator... - Hemorrhage control in arteries using high-intensity focused ultrasound: a survival studyVesna Zderic
Applied Physics Laboratory, Center for Industrial and Medical Ultrasound, University of Washington, 1013 NE 40th Street, Seattle, WA 98105, USA
Ultrasonics 44:46-53. 2006..The results show that HIFU can produce effective and long-term (up to 60 days) hemostasis of punctured femoral arteries while preserving normal blood flow and vessel wall structure in the majority of vessels... - Spleen hemostasis using high-intensity ultrasound: survival and healingMisty L Noble
Center for Industrial and Medical Ultrasound, Applied Physics Laboratory, University of Washington, Seattle 98105, USA
J Trauma 53:1115-20. 2002..Histologic examination up to 60 days posttreatment revealed scarring and spleen tissue regeneration at the treatment site. CONCLUSION: HIFU provides an effective and safe method of achieving hemostasis after acute splenic injury... - Similar liability for trauma and nontrauma surgical anesthesia: a closed claims analysisHernando Olivar
MPH, Dept of Anesthesiology and Pain Medicine, Box 356540, University of Washington, 1959 NE Pacific Street, Seattle, WA 98195 6540
Anesth Analg 115:1196-203. 2012..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... - Perioperative use of cuffed endotracheal tubes is advantageous in young pediatric burn patientsDavid P Dorsey
School of Medicine, University of Washington, Seattle, WA 98104, USA
Burns 36:856-60. 2010..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... - The illusion of presence in immersive virtual reality during an fMRI brain scanHunter G Hoffman
Human Interface Technology Laboratory, University of Washington, Seattle, Washington 98195, USA
Cyberpsychol Behav 6:127-31. 2003..The present study demonstrated for the first time that subjects could experience a strong illusion of presence during an fMRI despite the constraints of the fMRI magnet bore (i.e., immobilized head and loud ambient noise)... - High-intensity ultrasound treatment of blunt abdominal solid organ injury: an animal modelCarol J Cornejo
Department of Surgery, Harborview Medical Center, Univeristy of Washington, Seattle, Washington, USA
J Trauma 57:152-6. 2004..HIFU-treated sites were hemostatic at relaparotomy, with 8.6 +/- 6.2 mL/kg abdominal serosanguinous fluid recovered. CONCLUSION: HIFU is effective in producing hemostasis by direct treatment of injured parenchyma in blunt trauma... - Prehospital management of the difficult airway: a prospective cohort studyKeir J Warner
Department of Surgery, University of Washington, Harborview Medical Center, Seattle, Washington 98104, USA
J Emerg Med 36:257-65. 2009..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... - Timing of intubation and ventilator-associated pneumonia following injuryHeather L Evans
Department of Surgery, Harborview Medical Center, University of Washington, Seattle, 98104, USA
Arch Surg 145:1041-6. 2010.... - Optimizing control of pain from severe burns: a literature reviewDavid R Patterson
University of Washington School of Medicine, Harborview Medical Center 325 Ninth Ave, Box 359740 Seattle, WA 98104-2499, USA
Am J Clin Hypn 47:43-54. 2004 - The role of hospital profit status in pediatric spleen injury managementStephen M Bowman
Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72202 3591, USA
Med Care 46:331-8. 2008..Evidence suggests that over 90% of pediatric splenic injuries can be successfully managed nonoperatively. Although pediatric hospitals have rapidly adopted nonoperative management, variability exists among other types of hospitals... - Sedation and anesthesia for diagnostic and therapeutic procedures in acute trauma patients outside the operating roomColin Paul King
Int Anesthesiol Clin 40:53-68. 2002 - Rural trauma: is trauma designation associated with better hospital outcomes?Stephen M Bowman
Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72202 3591, USA
J Rural Health 24:263-8. 2008..While trauma designation has been associated with lower risk of death in large urban settings, relatively little attention has been given to this issue in small rural hospitals... - Use of virtual reality distraction to reduce claustrophobia symptoms during a mock magnetic resonance imaging brain scan: a case reportAzucena Garcia Palacios
Departmento Psicologia Basica Clinica y Psicobiologia, Universitat Jaume I, Castellon, Spain
Cyberpsychol Behav 10:485-8. 2007..These results suggest that immersive VR may prove effective at temporarily reducing claustrophobia symptoms during MRI scans and music may prove less effective... - Subdissociative dose ketamine produces a deficit in manipulation but not maintenance of the contents of working memoryRebekah A E Honey
Department of Psychiatry, University of Cambridge, Cambridge, UK
Neuropsychopharmacology 28:2037-44. 2003..The specificity of this ketamine effect suggests that the earliest effect of NMDA receptor blockade is in higher order control of executive function rather than in more basic maintenance processes... - Impairment of specific episodic memory processes by sub-psychotic doses of ketamine: the effects of levels of processing at encoding and of the subsequent retrieval taskGarry D Honey
Department of Psychiatry, University of Cambridge, Addenbrooke's Hospital, P.O. Box 255, Hills Road, Cambridge, CB2 2QQ, UK
Psychopharmacology (Berl) 181:445-57. 2005..The observed effects are compatible with memory deficits seen in schizophrenia and thus provide some support for the ketamine model of the disease...
Research Grants
- Virtual Reality Analgesia for Rehabilitation in ChildrenSam Sharar; Fiscal Year: 2003....
- Virtual Reality Analgesia for Procedural Cancer PainSam Sharar; Fiscal Year: 2005..abstract_text> ..
- Identifying Virtual Reality Analgesia Mechanisms by Pharmacologic ManipulationSam Sharar; Fiscal Year: 2009....
- Identifying Virtual Reality Analgesia Mechanisms by Pharmacologic ManipulationSam R Sharar; Fiscal Year: 2010....