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《Medical engineering & physics》2016,38(2):192-198
This article promotes the use of High Intensity Focused Ultrasound (HIFU) as a tool for affecting the local properties of tissue engineered constructs in vitro. HIFU is a low cost, non-invasive technique used for eliciting focal thermal elevations at variable depths within tissues. HIFU can be used to denature proteins within constructs, leading to decreased permeability and potentially increased local stiffness. Adverse cell viability effects remain restricted to the affected area. The methods described in this article are explored through the scope of articular cartilage tissue engineering and the fabrication of osteochondral constructs, but may be applied to the engineering of a variety of different tissues. 相似文献
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《Archives of physical medicine and rehabilitation》2022,103(4):773-778
ObjectiveTo explore participants’ experiences after implantation of a diaphragmatic pacing system (DPS).DesignCross-sectional, observational study using self-report questionnaires.SettingParticipants were recruited from 6 Spinal Cord Injury Model System centers across the United States (Craig Hospital, CO; Jefferson/Magee Rehabilitation Hospital, PA; Kessler Rehabilitation Center, NJ; University of Miami, FL; The Shirly Ryan Ability Lab, IL; Shepherd Center, GA).InterventionsNot applicable.ParticipantsMen and women (N=28) with tetraplegia were enrolled in the study between November 2012 and January 2015.Main Outcome MeasuresParticipants completed self-report questionnaires focused on their DPS usage and mechanical ventilation, as well as their experiences and satisfaction with the DPS.ResultsDPS is a well-tolerated and highly successful device to help individuals living with spinal cord injury who are dependent on ventilators achieve negative pressure, ventilator-free breathing. A small percentage of participants reported complications, including broken pacing wires and surgery to replace or reposition wires.ConclusionsThis study provides insight into the usage patterns of DPS and both the potential negative and positive effects that DPS can have on the life of the user. Knowledge gained from this study can provide a foundation for further discussion about the benefits and potential risks of using a DPS to inform an individual's decision to pursue a DPS implant. 相似文献
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LC Davis M Sherer AM Sander JA Bogner JD Corrigan MP Dijkers RA Hanks TF Bergquist RT Seel 《Archives of physical medicine and rehabilitation》2012,93(8):1324-1330
Davis LC, Sherer M, Sander AM, Bogner JA, Corrigan JD, Dijkers MP, Hanks RA, Bergquist TF, Seel RT. Preinjury predictors of life satisfaction at 1 year after traumatic brain injury.ObjectiveTo investigate the predictive value of preinjury factors for satisfaction with life (SWL) at 1-year posttraumatic brain injury (TBI).DesignSecondary analysis of prospective, longitudinal registry using data collected during inpatient rehabilitation and at 1-year post-TBI.SettingFifteen specialized brain injury units providing acute rehabilitation care as part of the Traumatic Brain Injury Model Systems (TBIMS) program.ParticipantsCommunity-dwelling persons (N=444) with moderate to severe TBI aged 16 to 64 years enrolled in the TBIMS program between October 2007 and October 2008 with 1-year follow-up data.InterventionsNot applicable.Main Outcome MeasureSatisfaction With Life Scale (SWLS).ResultsHierarchical stepwise linear regression revealed that injury-related and demographic variables did not contribute significantly to the explained variance in SWLS scores. In contrast, the preinjury functioning (education, productivity/employment) and preinjury condition (psychiatric and substance use problems, severe sensory dysfunction, learning problems, prior TBI) blocks each contributed significantly to the explained variance in SWLS scores. Preinjury functioning accounted for 2.9% of the variance and preinjury conditions for 3.8%.ConclusionsAlthough their contributions are small, preinjury functioning and preinjury conditions are important to consider in the prediction of SWL post-TBI. Educational level and history of psychiatric and other premorbid difficulties are particularly important for clinicians to consider when implementing or developing interventions for persons with moderate to severe TBI. 相似文献
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《Archives of physical medicine and rehabilitation》2019,100(10):1924-1931
ObjectiveValidation of linking coefficients to transform Pediatric Spinal Cord Injury Activity Measure (PEDI-SCI/AM) scores to adult Spinal Cord Injury-Functional Index (SCI-FI) scores.DesignThis cross-sectional study administered PEDI-SCI/AM and SCI-FI computerized adaptive tests (CATs) and short forms (SFs) to children with SCI and parents or caregivers.SettingHospitals, university, and rehabilitation institute.ParticipantsAbout 107 children with SCI and 96 parent or caregivers.InterventionsNot applicable.Main Outcome MeasuresLinking coefficients estimated SCI-FI (est-SCI-FI) scores from PEDI-SCI/AM scores for matched domains. Correlations between est-SCI-FI and actual SCI-FI scores were calculated. If correlations exceeded the criterion linking (0.866), the following analyses to compare est-SCI-FI and actual SCI-FI scores were conducted: paired t tests, intraclass correlation coefficients (ICCs 3, 1), percent of cases with absolute score differences at different thresholds.ResultsTwo matched domains, PEDI-SCI/AM Daily Routine/SCI-FI Self-Care and PEDI-SCI/AM General Mobility/SCI-FI Basic Mobility, met the linking criterion for both respondent-types (parent and child) and administration modes (CAT and SF). PEDI-SCI/AM Daily Routine and SCI-FI Fine Motor Function did not meet linking criterion for respondent type or mode. The linking criterion was met for wheelchair domains (child SF and CAT) and ambulation domains (child SF only). Significant differences between est-SCI-FI and actual SCI-FI scores were noted for all matched domains except Daily Routine/Self-Care (child SF only; parent SF and CAT). ICC values showed excellent agreement (range=0.75-0.89). Absolute differences between est-SCI-FI and actual SCI-FI scores were less than 1 standard deviation (except wheelchair CAT child).ConclusionsLinking coefficients applied to PEDI-SCI/AM scores can provide valid SCI-FI estimates that vary by domain, mode, and respondent type. 相似文献
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《Archives of physical medicine and rehabilitation》2019,100(10):1916-1923
ObjectiveTo identify characteristics (1) of high- and low-quality spinal cord injury (SCI) peer mentors; (2) that should be used to match SCI peer mentors and mentees.DesignThe study was conducted in partnership with three Canadian provincial SCI organizations using an integrated knowledge translation approach. The Delphi exercise was completed in three rounds. In Round 1, people with SCI completed a thought-listing exercise to identify characteristics of high- and low-quality peer mentors and for matching. In Rounds 2 and 3, people with SCI and community organization staff rated characteristics from the previous round on an 11-point scale. After the final round, the remaining characteristics were thematically analyzed.SettingCommunity-based peer mentorship programs in three Canadian provinces.ParticipantsPeople with SCI and SCI community organization staff (Round 1, n=45; Round 2, n=27; Round 3, n=25).InterventionsNot applicable.Main Outcome MeasuresConsensus-based list of characteristics.ResultsParticipants reached consensus on 215 characteristics of quality peer mentors and 11 characteristics for peer mentor-mentee matching (ICC=0.96). A consensus-based characterization of high- and low-quality peer mentorship was created and included six overarching themes: competencies, personality characteristics, emotional state, mentor outlook, reason for mentoring, and role model.ConclusionA consensus-based characterization of quality peer mentorship was co-developed with input from over 50 members of the SCI community. Findings highlight that peers have both interpersonal and intrapersonal characteristics that contribute to quality mentorship. The findings highlighted the importance of matching mentors on lived experience and shared interests. Findings will inform future research and SCI peer mentorship programs. 相似文献
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