Ray A. Grijalva

ORCID: 0000-0003-2099-3276
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About
Contact & Profiles
Research Areas
  • Orthopedic Infections and Treatments
  • Orthopaedic implants and arthroplasty
  • Streptococcal Infections and Treatments
  • Total Knee Arthroplasty Outcomes
  • Cervical and Thoracic Myelopathy
  • Infectious Diseases and Tuberculosis
  • Spinal Fractures and Fixation Techniques
  • Traumatic Brain Injury and Neurovascular Disturbances

University of Utah
2014

University of California, Irvine
2008

Despite two-stage revision remaining the gold standard in treating periprosthetic infection of total knee arthroplasty (TKA), there remains uncertainty regarding actual success rate and risk factors for failure. We retrospectively reviewed 58 knees with mean follow-up 38 months who underwent TKAs from 1998 to 2012 by a single surgeon. Failure was defined as persistent or reoperation after TKA surgery. occurred 36%. The overall mortality 22%. time reinfection 26 months. Polymicrobial...

10.1155/2014/659047 article EN cc-by Advances in Orthopedics 2014-01-01

Retrospective validity study.To investigate the relationship between Hoffmann sign and radiographical evidence of cervical spinal cord compression brain lesions.Clinical significance remains controversial with conflicting reports regarding its sensitivity specificity usefulness.Patients were divided into 2 groups according to presence on physical examination. Imaging studies blindly examined by observers for possible lesions. The sensitivity, specificity, positive predictive value, negative...

10.1097/brs.0000000000000794 article EN Spine 2015-01-21
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