KOL | Louis G JenisDepartment of Orthopaedic Surgery, Newton-Wellesley Hospital, Harvard Medical School, Newton, MA, USA | Department of Orthopedic Surgery, Division of Spine Surgery, Newton ... |
KOL Resume for Louis G Jenis
| Year | |
|---|---|
| 2020 | Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Harvard Medical School, Newton, MA, USA |
| 2018 | Department of Orthopedic Surgery, Division of Spine Surgery, Newton Wellesley Hospital, 02462, Newton, MA, USA Partners Healthcare, NWH-Spine Center, Newton, MA |
| 2017 | Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA |
| 2016 | Department of Orthopedic Surgery, Yawkey Center for Outpatient Care, Massachusetts General Hospital, Boston, MA |
| 2014 | Associate Chair, Department of Orthopaedic Surgery, Newton Wellesley Hospital, Newton, Massachusetts. |
| 2013 | Boston Spine Group, 299 Washington Street, Newton, MA 02458, USA. |
| 2012 | Orthopaedic Surgery, Boston Spine Group, Newton-Wellesley Hospital, Tufts University School of Medicine, Newton, MA¶ ¶Disclosure: nothing to disclose The Boston Spine Group, 299 Washington Street, Newton, MA 02458 |
| 2010 | From the Boston Spine Group, Newton, MA. Department of Orthopedic Surgery, Tufts University School of Medicine, Boston, MA 02111, USA |
| 2009 | 3Boston Spine Group, Newton, Massachusetts Department of Orthopedic Surgery, Tufts University School of Medicine, 125 Parker Hill Avenue, Boston, MA 02120, USA |
| 2008 | Tufts University Medical School, Boston, MA New England Baptist Hospital |
| 2007 | Department of Orthopaedic Surgery, Tufts University Medical School, New England Baptist Hospital, 125 Parker Hill Avenue, Boston, MA 02120, USA |
| 2006 | Department of Mechanical Engineering, College of Engineering, Orthopaedic Bioengineering Research Laboratory, Colorado State University, A101 Engineering Building, Fort Collins, CO 80523-1374, USA |
| 2005 | Boston Spine Group, Boston, MA, USA |
| 2004 | *The Boston Spine Group, Boston, and †New England Baptist Hospital, Boston, Massachusetts. Boston Spine Group, New England Baptist Hospital, 125 Parker Hill Ave, Boston, MA 02120, USA |
| 2003 | Boston Spine group, Boston, MA, USA |
| 2002 | New England Baptist Hospital, 125 Parker Hill Avenue, Department of Orthopaedic Surgery, Boston, MA 02120, USA |
| 2001 | Department of Orthopaedic Surgery, New England Baptist Spine Center, Tufts University School of Medicine, Boston, Massachusetts, USA. |
| 2000 | Department of Orthopaedic Surgery, New England Baptist Hospital, Boston, Massachusetts; *Department of Orthopedic Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois; and †Orthopaedic Associates, Ltd., Glen Allen, Virginia, U.S.A. |
| 1999 | From the *NEBBJI Spine Center, Boston, MA; **Department of Orthopaedic Surgery, University of Massachusetts Medical Center, Worcester, MA; and †Orthopaedic Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL. |
| 1996 | Department of Orthopedics and Physical Rehabilitation, University of Massachusetts Medical Center, Worcester, USA. |
| 1994 | Department of Orthopedics and Physical Rehabilitation, University of Massachusetts Medical Center, Worcester. |
| 1993 | Department of Orthopedics, University of Massachusetts Medical Center, Worcester, Massachusetts 01655 |
Louis G Jenis: Influence Statistics
| Concept | World rank |
|---|---|
| disc space angulation | #1 |
| ideal graft size | #1 |
| disc space restoration | #1 |
| ceramic posterolateral | #1 |
| silicated calcium | #1 |
| diskectomy embolization | #2 |
| cap biomechanically | #2 |
| autograft sicap | #2 |
| clinical outcomes conclusions | #2 |
| c7 radiculopathies | #2 |
| efficacy lumbar fusion | #2 |
| restoration cervical alignment | #2 |
| silicated calcium phosphate | #2 |
| sicap bony bridging | #2 |
| fusion mass sicap | #2 |
| c7 radiculopathy | #2 |
| healing phenomena bone | #2 |
| sicap autograft | #2 |
| c6 radiculopathies | #2 |
| fusion rates icbg | #2 |
| harvested spine segments | #2 |
| silicates spinal | #2 |
| sicap graft | #2 |
| autograft cap | #2 |
| autologous supplementation | #2 |
| graft biomechanically | #2 |
| c6 c7 radiculopathies | #2 |
| l4l5 transverse process | #2 |
| b2a peptide | #3 |
| autograft spinal fusion | #3 |
| spinous process distance | #3 |
| c6 radiculopathy | #3 |
| 100 b2a | #3 |
| silicated hydroxyapatite | #3 |
| cord rotation | #3 |
| cap graft | #3 |
| spinal cord rotation | #3 |
| cgs coated | #4 |
| instrumented model sheep | #4 |
| 8 sites 50b2a | #4 |
| b2a 100 | #4 |
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Prominent publications by Louis G Jenis
BACKGROUND CONTEXT: The CHARITE artificial disc, a lumbar spinal arthroplasty device, was approved by the United States Food and Drug Administration in 2004 based on two-year safety and effectiveness data from a multicenter, prospective, randomized investigational device exemption (IDE) study. No long-term, randomized, prospective study on the CHARITE disc or any other artificial disc has been published to date.
PURPOSE: The purpose of this study was to compare the safety and ...
| Known for Artificial Disc | Lumbar Fusion | Year Follow | Drug Administration | Multicenter Food |
BACKGROUND CONTEXT: Morbidity associated with autologous bone graft harvest is an important factor in determining the utility of expensive alternatives such as recombinant bone morphogenic protein. The most frequently reported complication associated with graft harvest is chronic pain.
PURPOSE: To prospectively determine the degree of pain and morbidity associated with autologous iliac crest bone graft harvest and its effect on activities of daily living.
STUDY DESIGN: Prospective ...
| Known for Harvest Site Pain | Bone Graft | Iliac Crest | Prospective Study Morbidity | 12 Months |
The Association Between Preoperative Spinal Cord Rotation and Postoperative C5 Nerve Palsy
[ PUBLICATION ]
BACKGROUND: C5 nerve palsy is a known complication of cervical spine surgery. The development and etiology of this complication are not completely understood. The purpose of the present study was to determine whether rotation of the cervical spinal cord predicts the development of a C5 palsy.
METHODS: We performed a retrospective review of prospectively collected spine registry data as well as magnetic resonance images. We reviewed the records for 176 patients with degenerative disorders ...
| Known for Spinal Cord | Postoperative C5 | Nerve Palsy | Cervical Spine | Surgical Female Humans |
Risk Factors for False Positive Transcranial Motor Evoked Potential Monitoring Alerts During Surgical Treatment of Cervical Myelopathy
[ PUBLICATION ]
STUDY DESIGN: Retrospective consecutive series review.
OBJECTIVE: To examine performance of transcranial motor-evoked potential (TcMEP) monitoring in patients undergoing surgery for cervical myelopathy and potential risk factors for false positive alerts.
SUMMARY OF BACKGROUND DATA: Although use of TcMEP monitoring has been increasing and has been specifically recommended in patients with cervical myelopathy, rates and risk factors for false positive alerts have not been ...
| Known for Cervical Myelopathy | Motor Evoked | Potential Monitoring | Sensitivity Specificity | Tcmep Patients |
BACKGROUND CONTEXT: Surgical treatment for lumbar degenerative disc disease (DDD) has been associated with highly variable results in terms of postoperative pain relief and functional improvement. Many experts believe that DDD should be considered a chronic pain disorder as opposed to a degenerative disease. Genetic variation of the catechol-O-methyltransferase (COMT) gene has been associated with variation in human pain sensitivity and response to analgesics in previous ...
| Known for Surgical Treatment | Genetic Variation | Disc Disease | Lumbar Degenerative | Comt Snps |
BACKGROUND: Numerous preclinical and clinical studies have reported on the use of platelet concentrates to promote tissue healing. The results in spinal fusion applications are limited and controversial.
PURPOSE: The purpose of the current prospective clinical cohort study is to assess the effect of Autologous Growth Factors (AGF) on lumbar interbody fusion with specific attention paid to determination of clinical and radiographic outcomes.
STUDY DESIGN/SETTING: Prospective clinical ...
| Known for Autologous Growth Factors | Lumbar Interbody | 6 Months | Autograft Patients | Spinal Fusion |
Efficacy of silicated calcium phosphate graft in posterolateral lumbar fusion in sheep
[ PUBLICATION ]
BACKGROUND CONTEXT: Conditions requiring posterior lumbar spinal fusion remain a clinical challenge. Achieving arthrodesis using autogenous bone graft is inconsistent when rigid internal fixation such as transpedicular instrumentation is applied. Synthetic materials, particularly calcium phosphate-based ceramics, have shown promise for spine fusion applications, especially when combined with autograft. Silicate substitution has been shown to enhance the bioactivity of calcium phosphates ...
| Known for Lumbar Fusion | Calcium Phosphate | 6 Months | Autograft Bone | Silicate Substitution |
STUDY DESIGN: Retrospective study.
OBJECTIVES: To determine the frequency of pedicle screw violation of superior nonfused facet joints adjacent to the most cephalad pedicle screws after a midline approach for lumbar fusion.
SUMMARY OF BACKGROUND DATA: Facet-joint violations have been evaluated in patients undergoing lumbar pedicle screw instrumentation and fusion with a Wiltse muscle-splitting approach, but not via the more common midline approach.
METHODS: Between 1995 and 2003, 204 ...
| Known for Joint Violation | Lumbar Spine | Computed Tomography | Pedicle Instrumentation | Midline Approach |
OBJECT: New generations of devices for spinal interbody fusion are expected to arise from the combined use of bioactive peptides and porous implants. The purpose of this dose-ranging study was to evaluate the fusion characteristics of porous ceramic granules (CGs) coated with the bioactive peptide B2A2-K-NS (B2A) by using a model of instrumented lumbar interbody spinal fusion in sheep.
METHODS: Instrumented spinal arthrodesis was performed in 40 operative sites in 20 adult sheep. In each ...
| Known for Ceramic Granules | Lumbar Interbody | B2a Peptide | Spinal Fusion | Xray Computed Transplantation |
BACKGROUND CONTEXT: Rheumatoid arthritis is a debilitating polyarthropathic degenerative condition. Eighty-six percent of patients with rheumatoid arthritis have cervical spine involvement. Often these lesions are clinically asymptomatic or symptoms are erroneously attributed to peripheral manifestation of the patient's rheumatoid disease. Because these lesions are common and missed diagnosis can result in death, early recognition is vital.
PURPOSE: The purpose of this literature review ...
| Known for Rheumatoid Arthritis | Cervical Spine | Surgical Management | Spinal Diseases | Early Recognition |
OBJECTIVE: Anterior cervical discectomy and fusion (ACDF) is a successful procedure for the degenerative cervical spine. One goal of the fusion is to restore the loss of disc height that results from the degenerative process. Whereas cervical alignment improves with increased disc height, the ideal graft size used for disc space restoration is unknown. Few studies have examined the relationships between these changes in cervical alignment and clinical outcomes.
METHODS: All patients ...
| Known for Anterior Cervical Discectomy | Cervical Alignment | Disc Height | Fusion Acdf | Diskectomy Humans |
A prospective study of proximal femur bone mass following cemented and uncemented hip arthroplasty
[ PUBLICATION ]
Cross-sectional studies have demonstrated significant decreases in bone mass in femoral cortical bone adjacent to prostheses. Thirty-six patients who had undergone 31 cemented and 9 uncemented primary total hip arthroplasties (THA) were prospectively studied to define further the natural history of this femoral cortical bone loss. Dual-energy X-ray absorptiometry (DXA) was employed to quantify bone mineral density (BMD) changes in four subregions around the femoral prostheses. Femoral ...
| Known for Bone Mass | Proximal Femur | Uncemented Hip | Bmd Loss | Femoral Prosthesis |
The effect of osteogenic protein-1 in instrumented and noninstrumented posterolateral fusion in rabbits
[ PUBLICATION ]
BACKGROUND CONTEXT: The use of rigid instrumentation combined with bone graft makes intuitive sense given the requirements for vascular ingrowth, bone formation and a stable environment for the cellular events of healing to develop. However, with the advances of potent osteoinductive growth factors, the role of internal fixation may come into question. Whether bone morphogenic proteins (BMPs) would benefit from a more "stable" spinal segment for bone production and modeling remains ...
| Known for 3 Weeks | Bone Graft | Posterolateral Fusion | Background Context | Growth Factors |
STUDY DESIGN: Retrospective study.
OBJECTIVE: To assess the relation between exposure to epidural steroid injection (ESI) before surgery and occurrence of surgical site infection (SSI) for degenerative lumbar spine conditions.
SUMMARY OF BACKGROUND DATA: The effect of local ESI on the occurrence of SSI is controversial.
METHODS: Patients who underwent surgery for degenerative lumbar spine conditions at two centers between 2005 and 2015 were identified. Primary outcome measure was SSI ...
| Known for Esi 30 90 | Postoperative Infection | 30 Surgery | Corticosteroid Injection | Surgical Intervention |
Key People For Surgical Treatment
Louis G Jenis:Expert Impact
Concepts for whichLouis G Jenishas direct influence:Surgical treatment, Anterior cervical discectomy, Neck pain, Spinal fusion, Cervical myelopathy, Rheumatoid arthritis, Cervical spine, Lumbar fusion.
Louis G Jenis:KOL impact
Concepts related to the work of other authors for whichfor which Louis G Jenis has influence:Spinal fusion, Cervical spine, Foraminal stenosis, Bone graft, Disc replacement, C5 palsy, Iliac crest.
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