Detection of Concussion Using Cranial Accelerometry.
Objective: To determine whether skull motion produced by pulsatile cerebral blood flow, as measured by cranial accelerometry, is altered during concussion. Design: In phase 1, to identify a specific pattern indicative of concussion, cranial accelerometry of subjects who sustained a concussion underw...
| Publicado en: | Clinical Journal of Sport Medicine Vol. 25; no. 2; pp. 126 - 133 |
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| Autores principales: | , , , , , |
| Formato: | pictorial research tables/charts Journal Article |
| Publicado: |
Lippincott Williams & Wilkins
Mar2015
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=103766096&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 103766096 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 1050642X 8CB jtl: Clinical Journal of Sport Medicine issn: 1050642X maglogo: N pubinfo: dt: Mar2015 vid: 25 iid: 2 pid: 433 pub: Lippincott Williams & Wilkins place: Baltimore, Maryland artinfo: ui: 103766096 101385968 10.1097/JSM.0000000000000117 NLM25010149 103766096 ppf: 126 ppct: 7 formats: tig: atl: Detection of Concussion Using Cranial Accelerometry. aug: au: Auerbach, Paul S. Baine, Jennifer G. Schott, Megan L. Greenhaw, Amy Acharya, Monika G. Smith, Wade S. affil: Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, California. sug: subj: Accelerometry Utilization Brain Concussion Diagnosis Vibration Evaluation Skull Physiology Cerebrovascular Circulation Physiology Human California Exercise Physiology Prospective Studies Comparative Studies Athletes, High School Football Electrocardiography Neuropsychological Tests Sensitivity and Specificity Noninvasive Procedures Nonexperimental Studies Single-Blind Studies Accelerometry Methods Equipment Design Adolescence Adolescent Health Male Descriptive Statistics Algorithms Confidence Intervals Convenience Sample Adolescent: 13-18 years Male ab: Objective: To determine whether skull motion produced by pulsatile cerebral blood flow, as measured by cranial accelerometry, is altered during concussion. Design: In phase 1, to identify a specific pattern indicative of concussion, cranial accelerometry of subjects who sustained a concussion underwent analysis of waveforms, which was compared with accelerometry from subjects without a concussion (baseline). In phase 2, this concussion pattern was tested against prospectively acquired, blinded data. Setting: High school tackle football practice and game play. Participants: Eighty-four football players. Interventions: Subjects had accelerometry measurements and concurrent 2-lead electrocardiograms. In players with a concussion, multiple sequential measurements were obtained. Sport Concussion Assessment Tool 2 was used to assist clinical determination of concussion. Main Outcome Measures: Whether a characteristic waveform pattern of cranial accelerometry occurs in subjects with concussion. Results: Phase 1 demonstrated a consistent pattern correlated to concussion. Phase 2 found this pattern in 10 of 13 subjects with concussion (76.9% sensitivity). Seventy-nine of 82 baseline plus nine postseason (total = 91) recordings from nonconcussed subjects did not show the concussion pattern (87% specificity). Conclusions: In subjects with concussion, we observed a unique pattern determined by cranial accelerometry. This may provide a method to noninvasively detect and longitudinally observe concussion. Clinical Relevance: There is no objective, real-time, noninvasive, and easily accessible measure for concussion. If accelerometry is validated, it could provide a critical diagnostic tool for sports medicine physicians. pubtype: Academic Journal doctype: pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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