Robert A Hart

Summary

Affiliation: Oregon Health and Science University
Country: USA

Publications

  1. ncbi request reprint Spine surgery for lumbar degenerative disease in elderly and osteoporotic patients
    Robert A Hart
    Oregon Health and Sciences University, Portland, Oregon, USA
    Instr Course Lect 56:257-72. 2007
  2. doi request reprint Reduction of airway complications with fluid management protocol in patients undergoing cervical decompression and fusion across the cervicothoracic junction
    Robert A Hart
    Oregon Health and Science University, Portland, OR, USA
    Spine (Phila Pa 1976) 38:E1135-40. 2013
  3. doi request reprint Post-traumatic stress symptoms after elective lumbar arthrodesis are associated with reduced clinical benefit
    Robert Hart
    Department of Orthopedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 38:1508-15. 2013
  4. doi request reprint Proximal junctional kyphosis and proximal junctional failure
    Robert A Hart
    Department of Orthopaedic Surgery, Oregon Health and Science University, Portland, OR 97239, USA
    Neurosurg Clin N Am 24:213-8. 2013
  5. ncbi request reprint Use of pelvic incidence as a guide to reduction of H-type spino-pelvic dissociation injuries
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239, USA
    J Orthop Trauma 21:369-74. 2007
  6. ncbi request reprint Failed spine surgery syndrome in the life and career of John Fitzgerald Kennedy
    Robert A Hart
    Department of Orthopaedic Surgery, OP31 Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    J Bone Joint Surg Am 88:1141-8. 2006
  7. ncbi request reprint Mechanical stiffness of segmental versus nonsegmental pedicle screw constructs: the effect of cross-links
    Robert Hart
    Oregon Health and Science University, Department of Orthopaedics and Rehabilitation, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 31:E35-8. 2006
  8. ncbi request reprint Pedicle screw placement in the thoracic spine: a comparison of image-guided and manual techniques in cadavers
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health Sciences University, Portland, OR, USA
    Spine (Phila Pa 1976) 30:E326-31. 2005
  9. ncbi request reprint Comparison of stiffness and failure load of two cervical spine fixation techniques in an in vitro human model
    Robert Hart
    Orthopaedic Biomechanics Laboratory, Department of Orthopaedics, Oregon Health and Science University, Portland, Oregon 97239 3098, USA
    J Spinal Disord Tech 18:S115-8. 2005
  10. doi request reprint Proximal junctional acute collapse cranial to multi-level lumbar fusion: a cost analysis of prophylactic vertebral augmentation
    Robert A Hart
    Department of Orthopaedics and Rehabilitation and Dotter Interventional Institute, Oregon Health and Sciences University, 3181 SW Sam Jackson Park Road, OP31, Portland, OR 97239 3098, USA
    Spine J 8:875-81. 2008

Collaborators

Detail Information

Publications39

  1. ncbi request reprint Spine surgery for lumbar degenerative disease in elderly and osteoporotic patients
    Robert A Hart
    Oregon Health and Sciences University, Portland, Oregon, USA
    Instr Course Lect 56:257-72. 2007
    ..Careful attention to surgical indications and surgical technique is always required for the successful treatment of this challenging patient population...
  2. doi request reprint Reduction of airway complications with fluid management protocol in patients undergoing cervical decompression and fusion across the cervicothoracic junction
    Robert A Hart
    Oregon Health and Science University, Portland, OR, USA
    Spine (Phila Pa 1976) 38:E1135-40. 2013
    ..Retrospective comparative cohort analysis...
  3. doi request reprint Post-traumatic stress symptoms after elective lumbar arthrodesis are associated with reduced clinical benefit
    Robert Hart
    Department of Orthopedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 38:1508-15. 2013
    ..Prospective cohort study...
  4. doi request reprint Proximal junctional kyphosis and proximal junctional failure
    Robert A Hart
    Department of Orthopaedic Surgery, Oregon Health and Science University, Portland, OR 97239, USA
    Neurosurg Clin N Am 24:213-8. 2013
    ..Risk factors for PJF include age, severity of sagittal plane deformity, and extent of operative sagittal plane realignment. Techniques for avoiding PJF will likely require refinements in both perioperative and surgical strategies...
  5. ncbi request reprint Use of pelvic incidence as a guide to reduction of H-type spino-pelvic dissociation injuries
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239, USA
    J Orthop Trauma 21:369-74. 2007
    ....
  6. ncbi request reprint Failed spine surgery syndrome in the life and career of John Fitzgerald Kennedy
    Robert A Hart
    Department of Orthopaedic Surgery, OP31 Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    J Bone Joint Surg Am 88:1141-8. 2006
  7. ncbi request reprint Mechanical stiffness of segmental versus nonsegmental pedicle screw constructs: the effect of cross-links
    Robert Hart
    Oregon Health and Science University, Department of Orthopaedics and Rehabilitation, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 31:E35-8. 2006
    ..A biomechanical study in porcine spines of the construct stiffness effects of segmental pedicle screws. Stiffness effects of supplementation of nonsegmental screw constructs with cross-links was also evaluated...
  8. ncbi request reprint Pedicle screw placement in the thoracic spine: a comparison of image-guided and manual techniques in cadavers
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health Sciences University, Portland, OR, USA
    Spine (Phila Pa 1976) 30:E326-31. 2005
    ..A cadaveric study comparing image guidance technology to fluoroscopic guidance as a means of pedicle screw placement in the thoracic spine, using a unique starting point for screw placement...
  9. ncbi request reprint Comparison of stiffness and failure load of two cervical spine fixation techniques in an in vitro human model
    Robert Hart
    Orthopaedic Biomechanics Laboratory, Department of Orthopaedics, Oregon Health and Science University, Portland, Oregon 97239 3098, USA
    J Spinal Disord Tech 18:S115-8. 2005
    ....
  10. doi request reprint Proximal junctional acute collapse cranial to multi-level lumbar fusion: a cost analysis of prophylactic vertebral augmentation
    Robert A Hart
    Department of Orthopaedics and Rehabilitation and Dotter Interventional Institute, Oregon Health and Sciences University, 3181 SW Sam Jackson Park Road, OP31, Portland, OR 97239 3098, USA
    Spine J 8:875-81. 2008
    ..There are no data regarding the cost of prophylactic vertebral augmentation adjacent to long lumbar fusions compared with the costs of performing revision fusion surgery for patients suffering with this complication...
  11. doi request reprint Perioperative complications of combined anterior and posterior cervical decompression and fusion crossing the cervico-thoracic junction
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health and Sciences University, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 33:2887-91. 2008
    ..Retrospective review...
  12. doi request reprint Relationship of donor variables and graft dimension on biomechanical performance of femoral ring allograft
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97201, USA
    J Orthop Res 29:1840-5. 2011
    ..Other tested parameters did not prove to be effective predictors of resistance to axial loading...
  13. ncbi request reprint Percutaneous treatment of osteoporotic spinal compression fractures
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health and Sciences University, 3181 SW Sam Jackson Park Road, Portland 97201, USA
    Curr Womens Health Rep 3:72-4. 2003
    ..Recent techniques of minimally invasive surgical treatment show promising early results with respect to pain reduction and restoration of function, with low procedural complication rates...
  14. ncbi request reprint Case report: vertebral compression fracture in a fused and instrumented lumbar segment
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239, USA
    Clin Orthop Relat Res 458:226-8. 2007
    ..The fracture occurred during self-insertion of a rectal suppository. No intervention was required to treat the fracture, and there was no long-term clinical effect...
  15. ncbi request reprint Variation in surgical decision making for degenerative spinal disorders. Part II: cervical spine
    Zareth N Irwin
    Oregon Health and Science University, Portland, OR, USA
    Spine (Phila Pa 1976) 30:2214-9. 2005
    ..Survey-based descriptive study...
  16. doi request reprint Preliminary biomechanical proof of concept for a hybrid locking plate/variable pitch screw construct for anterior fixation of type II odontoid fractures
    Alan H Daniels
    Department of Orthopaedics, Brown University Warren Alpert School of Medicine, Providence, RI, USA
    Spine (Phila Pa 1976) 37:E1159-64. 2012
    ..A human cadaveric biomechanical proof-of-concept study...
  17. ncbi request reprint Traumatic spondyloptosis resulting from high-energy trauma concurrent with a tonic-clonic seizure
    Alan H Daniels
    Department of Orthopedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97201, USA
    Spine J 9:e1-4. 2009
    ..Traumatic lumbosacral dislocation injuries are rare, high-energy injuries that are challenging to surgically manage...
  18. ncbi request reprint Variation in surgical decision making for degenerative spinal disorders. Part I: lumbar spine
    Zareth N Irwin
    Oregon Health and Science University, Portland, OR, USA
    Spine (Phila Pa 1976) 30:2208-13. 2005
    ..Survey-based descriptive study...
  19. ncbi request reprint Mechanical comparison of posterior instrumentation constructs for spinal fixation across the cervicothoracic junction
    Robert L Tatsumi
    Department of Orthopaedics and Rehabilitation, Oregon Health and Sciences University, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 32:1072-6. 2007
    ..A biomechanical study comparing 4 different posterior implant configurations for instrumentation across the cervicothoracic junction...
  20. doi request reprint Lumbar Stiffness Disability Index: pilot testing of consistency, reliability, and validity
    Robert A Hart
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, 3181 Southwest Sam Jackson Park Rd, OP31, Portland, OR 97239, USA
    Spine J 13:157-61. 2013
    ..Therefore, a patient-reported outcome questionnaire measuring the impact of lumbar stiffness on functional abilities was devised and assessed for internal consistency, retest repeatability, and external validity...
  21. ncbi request reprint Biomechanical comparison of a novel multilevel hex-head pedicle screw design with a conventional head design
    Qi Liu
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, 3181 SW Sam Jackson Park Road, Oregon 97239, USA
    J Orthop Res 25:1115-20. 2007
    ..The multilevel hex-head design did not affect the insertion or removal torque in comparison to a conventional head design...
  22. ncbi request reprint Adverse events associated with anterior cervical spine surgery
    Alan H Daniels
    Department of Orthopaedics and Rehabilitation, Brown University Rhode Island Hospital, Providence, USA
    J Am Acad Orthop Surg 16:729-38. 2008
    ..Appropriate strategies must be utilized to avoid these adverse events, and the treating surgeon should have an understanding of how to detect and manage such events when they do arise...
  23. ncbi request reprint Tracheostomy after anterior cervical spine fixation
    Terence O'Keeffe
    Department of Surgery, Oregon Health and Science University, Portland, Oregon 97239, USA
    J Trauma 57:855-60. 2004
    ..In addition, we postulated that the severity of motor deficits in patients with cervical spine injury would correlate with the need for tracheostomy...
  24. ncbi request reprint Variability in rates of arthrodesis for patients with thoracolumbar spine fractures with and without associated neurologic injury
    Alan H Daniels
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97201, USA
    Spine (Phila Pa 1976) 32:2334-8. 2007
    ..Retrospective cohort study using a large clinical database...
  25. ncbi request reprint Variability in rates of arthrodesis procedures for patients with cervical spine injuries with and without associated spinal cord injury
    Alan H Daniels
    Oregon Health and Science University, Portland, Oregon 97201, USA
    J Bone Joint Surg Am 89:317-23. 2007
    ..We assessed the rates of cervical spinal arthrodesis for patients who had a cervical spine injury with or without an associated spinal cord injury...
  26. ncbi request reprint Segmental motion adjacent to an instrumented lumbar fusion: the effect of extension of fusion to the sacrum
    Christopher Untch
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 29:2376-81. 2004
    ..We present an in vitro biomechanical comparison of adjacent segment motion at the cranial segment (L3-L4) for an L4-L5 versus an L4-S1 fusion model using cadaveric lumbosacral spines...
  27. ncbi request reprint Electrical stimulation for intraoperative evaluation of thoracic pedicle screw placement
    Yong Bing Shi
    Department of Otolaryngology Oregon Hearing Research Center, Portland, Oregon, USA
    Spine (Phila Pa 1976) 28:595-601. 2003
    ..Screw position was then evaluated after surgery using computed tomography (CT). The CT results were compared with evoked EMG threshold values...
  28. doi request reprint Lumbar stiffness as a collateral outcome of spinal arthrodesis: a preliminary clinical study
    Robert A Hart
    Department of Orthopaedics, Oregon Health and Science University, 3181 SW Sam Jackson Park Rd, OP 31, Portland, OR 97239, USA
    Spine J 13:150-6. 2013
    ..Increased spinal stiffness may have the potential to impair function and ability to perform activities of daily living (ADLs), independent of pain levels...
  29. doi request reprint Predictors and prevalence of patients undergoing additional kyphoplasty procedures after an initial kyphoplasty procedure
    Robert L Tatsumi
    Department of Orthopedic Surgery, Oregon Health and Sciences University, Portland, OR 97239, USA
    Spine J 10:979-86. 2010
    ..Patients can sustain additional symptomatic VCFs that may require additional surgical intervention...
  30. ncbi request reprint Variations in injury patterns, treatment, and outcome for spinal fracture and paralysis in adult versus geriatric patients
    Zareth N Irwin
    Department of Orthopedics and Rehabilitation, Oregon Health and Science University, Portland 97201, USA
    Spine (Phila Pa 1976) 29:796-802. 2004
    ..Retrospective cohort analysis of hospital discharge and mortality data for spinal fracture and spinal cord injury patients in a single state from 1990 to 1995...
  31. doi request reprint Postoperative prevertebral soft tissue swelling does not affect the development of chronic dysphagia following anterior cervical spine surgery
    Farbod Khaki
    From the Department of Orthopaedics, Oregon Health and Science University, Portland, OR
    Spine (Phila Pa 1976) 38:E528-32. 2013
    ..Prospective cohort study...
  32. doi request reprint Comparison of patient and surgeon perceptions of adverse events after adult spinal deformity surgery
    Robert A Hart
    Oregon Health Sciences University, Portland, OR Rocky Mountain Hospital for Children, Denver, CO San Diego Center for Spinal Disorders, La Jolla, CA Hospital for Special Surgery, New York, NY University of Kansas Medical Center, Kansas City, KS University of California, Davis, Sacramento, CA Baylor Scoliosis Center, Plano, TX Johns Hopkins University, Baltimore, MD University of Virginia, Charlottesville, VA and Massachusetts General Hospital, Boston, MA
    Spine (Phila Pa 1976) 38:732-6. 2013
    ..Survey based on complication scenarios...
  33. doi request reprint Short segment coronal plane deformity after two-level lumbar total disc replacement
    Alexander C Ching
    Department of Orthopaedics and Rehabilitation, Oregon Health Sciences University, Portland, OR 97229, USA
    Spine (Phila Pa 1976) 35:44-50. 2010
    ..Case series of 2-level lumbar disc arthroplasties treated by the authors...
  34. doi request reprint Incidence of second cervical vertebral fractures far surpassed the rate predicted by the changing age distribution and growth among elderly persons in the United States (2005-2008)
    Natalie L Zusman
    From the Department of Orthopaedics, Oregon Health and Science University, Portland, OR
    Spine (Phila Pa 1976) 38:752-6. 2013
    ..Nationwide epidemiological cohort study...
  35. ncbi request reprint Biomechanical comparison of a fully threaded, variable pitch screw and a partially threaded lag screw for internal fixation of Type II dens fractures
    William Magee
    Department of Orthopedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239 3098, USA
    Spine (Phila Pa 1976) 32:E475-9. 2007
    ..Stiffness and load to failure were studied in a human cadaver model of Type II odontoid fractures stabilized with either a single partially threaded lag screw and washer or a headless fully threaded variable pitch screw...
  36. ncbi request reprint Delayed fracture of fibular strut allograft following multilevel anterior cervical spine corpectomy and fusion
    Jackson Jones
    Department of Orthopaedics and Rehabilitation, Oregon Health and Science University, Portland, OR 97239, USA
    Spine (Phila Pa 1976) 31:E595-9. 2006
    ..Case report...
  37. pmc Acute reciprocal changes distant from the site of spinal osteotomies affect global postoperative alignment
    Eric Klineberg
    Department of Orthopaedic Surgery, University of California Davis, 3301 C Street, Suite 1500, Sacramento, CA 95817, USA
    Adv Orthop 2011:415946. 2011
    ..Conclusion. Data from this study suggest that lumbar and thoracic resection leads to reciprocal changes in unfused segments and requires consideration beyond focal corrections...
  38. ncbi request reprint Graft migration or displacement after multilevel cervical corpectomy and strut grafting
    Jeffrey C Wang
    University of California, Los Angeles Department of Orthopaedic Surgery, 90095 6902, USA
    Spine (Phila Pa 1976) 28:1016-21; discussion 1021-2. 2003
    ..A retrospective review of consecutive patients with graft migration or displacement after anterior cervical corpectomy surgery was performed...
  39. ncbi request reprint Cervical facet dislocation: when is magnetic resonance imaging indicated?
    Robert A Hart
    Spine (Phila Pa 1976) 27:116-7. 2002