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Browsing by Author "Mundis, Gregory M"
Now showing items 1-20 of 104
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A standardized nomenclature for cervical spine soft-tissue release and osteotomy for deformity correction: clinical article.
Ames, Christopher P; Smith, Justin S; Scheer, Justin K; Shaffrey, Christopher I; Lafage, Virginie; Deviren, Vedat; Moal, Bertrand; ... (17 authors) (Journal of neurosurgery. Spine, 2013-09)<h4>Object</h4>Cervical spine osteotomies are powerful techniques to correct rigid cervical spine deformity. Many variations exist, however, and there is no current standardized system with which to describe and classify ... -
Adult Scoliosis Deformity Surgery: Comparison of Outcomes Between One Versus Two Attending Surgeons.
Gomez, Jaime A; Lafage, Virginie; Sciubba, Daniel M; Bess, Shay; Mundis, Gregory M; Liabaud, Barthelemy; Hanstein, Regina; ... (15 authors) (Spine, 2017-07)<h4>Study design</h4>Retrospective review of prospectively collected data.<h4>Objective</h4>Assess outcomes of adult spinal deformity (ASD) surgery performed by one versus two attending surgeons.<h4>Summary of background ... -
Alignment Targets, Curve Proportion and Mechanical Loading: Preliminary Analysis of an Ideal Shape Toward Reducing Proximal Junctional Kyphosis.
Katsuura, Yoshihiro; Lafage, Renaud; Kim, Han Jo; Smith, Justin S; Line, Breton; Shaffrey, Christopher; Burton, Douglas C; ... (15 authors) (Global spine journal, 2022-07)<h4>Study design</h4>Retrospective cohort study.<h4>Objective</h4>Investigate risk factors for PJK including theoretical kyphosis, mechanical loading at the UIV and age adjusted offset alignment.<h4>Methods</h4>373 ASD patients ... -
Alterations in Magnitude and Shape of Thoracic Kyphosis Following Surgical Correction for Adult Spinal Deformity.
Lafage, Renaud; Song, Junho; Diebo, Bassel; Daniels, Alan H; Passias, Peter G; Ames, Christopher P; Bess, Shay; ... (20 authors) (Global spine journal, 2023-11)<h4>Study design</h4>Retrospective review of prospective multicenter data.<h4>Objectives</h4>This study aimed to investigate the shape of TK before and after fusion in ASD patients treated with long fusion.<h4>Methods</h4>ASD ... -
Appropriate Risk Stratification and Accounting for Age-Adjusted Reciprocal Changes in the Thoracolumbar Spine Reduces the Incidence and Magnitude of Distal Junctional Kyphosis in Cervical Deformity Surgery.
Passias, Peter G; Bortz, Cole; Pierce, Katherine E; Kummer, Nicholas A; Lafage, Renaud; Diebo, Bassel G; Line, Breton G; ... (22 authors) (Spine, 2021-11)<h4>Study design</h4>Retrospective cohort study of a prospective cervical deformity (CD) database.<h4>Objective</h4>Identify factors associated with distal junctional kyphosis (DJK); assess differences across DJK ... -
Are Minimally Invasive Spine Surgeons or Classical Open Spine Surgeons More Consistent with Their Treatment of Adult Spinal Deformity?
Uribe, Juan S; Koffie, Robert M; Wang, Michael Y; Mundis, Gregory M; Kanter, Adam S; Eastlack, Robert K; Anand, Neel; ... (18 authors) (World neurosurgery, 2022-09)<h4>Objective</h4>Spine surgeons have a heuristic sense of how to surgically restore alignment and address adult spinal deformity (ASD) symptoms, but consensus on the extent of treatment remains unclear. We sought to determine ... -
Are We Focused on the Wrong Early Postoperative Quality Metrics? Optimal Realignment Outweighs Perioperative Risk in Adult Spinal Deformity Surgery.
Passias, Peter G; Williamson, Tyler K; Mir, Jamshaid M; Smith, Justin S; Lafage, Virginie; Lafage, Renaud; Line, Breton; ... (28 authors) (Journal of clinical medicine, 2023-08)<h4>Background</h4>While reimbursement is centered on 90-day outcomes, many patients may still achieve optimal, long-term outcomes following adult spinal deformity (ASD) surgery despite transient short-term complications... -
Are we improving in the optimization of surgery for high-risk adult cervical spine deformity patients over time?
Passias, Peter G; Tretiakov, Peter S; Smith, Justin S; Lafage, Renaud; Diebo, Bassel; Scheer, Justin K; Eastlack, Robert K; ... (19 authors) (Journal of neurosurgery. Spine, 2023-07)<h4>Objective</h4>The aim of this study was to investigate whether surgery for high-risk patients is being optimized over time and if poor outcomes are being minimized.<h4>Methods</h4>Patients who underwent surgery for cervical ... -
Assessment of a Novel Adult Cervical Deformity Frailty Index as a Component of Preoperative Risk Stratification.
Miller, Emily K; Ailon, Tamir; Neuman, Brian J; Klineberg, Eric O; Mundis, Gregory M; Sciubba, Daniel M; Kebaish, Khaled M; ... (15 authors) (World neurosurgery, 2018-01)To determine the value of a novel adult cervical deformity frailty index (CD-FI) in preoperative risk stratification.We reviewed a prospective, multicenter database of adults with cervical spine deformity. We selected 40 ... -
Assessment of Adult Spinal Deformity Complication Timing and Impact on 2-Year Outcomes Using a Comprehensive Adult Spinal Deformity Classification System.
Wick, Joseph B; Le, Hai V; Lafage, Renaud; Gupta, Munish C; Hart, Robert A; Mundis, Gregory M; Bess, Shay; ... (17 authors) (Spine, 2022-03)<h4>Study design</h4>Retrospective review of prospectively collected multicenter registry data.<h4>Objective</h4>To identify rates and timing of postoperative complications in adult spinal deformity (ASD) patients, the impact ... -
Association between preoperative cervical sagittal deformity and inferior outcomes at 2-year follow-up in patients with adult thoracolumbar deformity: analysis of 182 patients.
Scheer, Justin K; Passias, Peter G; Sorocean, Alexandra M; Boniello, Anthony J; Mundis, Gregory M; Klineberg, Eric; Kim, Han Jo; ... (16 authors) (Journal of neurosurgery. Spine, 2016-01)<h4>Objective</h4>A high prevalence of cervical deformity (CD) has been identified among adult patients with thoracolumbar spinal deformity undergoing surgical treatment. The clinical impact of this is uncertain. This study ... -
Can a Minimal Clinically Important Difference Be Achieved in Elderly Patients with Adult Spinal Deformity Who Undergo Minimally Invasive Spinal Surgery?
Park, Paul; Okonkwo, David O; Nguyen, Stacie; Mundis, Gregory M; Than, Khoi D; Deviren, Vedat; La Marca, Frank; ... (21 authors) (World neurosurgery, 2016-02)<h4>Background</h4>Older age has been considered a relative contraindication to complex spinal procedures. Minimally invasive surgery (MIS) techniques to treat patients with adult spinal deformity (ASD) have emerged with ... -
Cervical mismatch: the normative value of T1 slope minus cervical lordosis and its ability to predict ideal cervical lordosis.
Staub, Blake N; Lafage, Renaud; Kim, Han Jo; Shaffrey, Christopher I; Mundis, Gregory M; Hostin, Richard; Burton, Douglas; ... (15 authors) (Journal of neurosurgery. Spine, 2018-10)OBJECTIVE: Numerous studies have attempted to delineate the normative value for T1S-CL (T1 slope minus cervical lordosis) as a marker for both cervical deformity and a goal for correction similar to how PI-LL (pelvic ... -
Cervical, Thoracic, and Spinopelvic Compensation After Proximal Junctional Kyphosis (PJK): Does Location of PJK Matter?
Kim, Han Jo; York, Philip J; Elysee, Jonathan C; Shaffrey, Christopher; Burton, Douglas C; Ames, Christopher P; Mundis, Gregory M; ... (15 authors) (Global spine journal, 2020-02)<h4>Study design</h4>Retrospective case series.<h4>Objective</h4>Compensatory changes above a proximal junctional kyphosis (PJK) have not been defined. Understanding these mechanisms may help determine optimal level selection ... -
Cervicothoracic Versus Proximal Thoracic Lower Instrumented Vertebra Have Comparable Radiographic and Clinical Outcomes in Adult Cervical Deformity.
Kim, Han Jo; Yao, Yu-Cheng; Bannwarth, Mathieu; Smith, Justin S; Klineberg, Eric O; Mundis, Gregory M; Protopsaltis, Themistocles S; ... (15 authors) (Global spine journal, 2023-05)<h4>Study design</h4>Comparative cohort study.<h4>Objective</h4>Factors that influence the lower instrumented vertebra (LIV) selection in adult cervical deformity (ACD) are less reported, and outcomes in the cervicothoracic ... -
Clinical and radiographic parameters associated with best versus worst clinical outcomes in minimally invasive spinal deformity surgery.
Than, Khoi D; Park, Paul; Fu, Kai-Ming; Nguyen, Stacie; Wang, Michael Y; Chou, Dean; Nunley, Pierce D; ... (20 authors) (Journal of neurosurgery. Spine, 2016-07)OBJECTIVE Minimally invasive surgery (MIS) techniques are increasingly used to treat adult spinal deformity. However, standard minimally invasive spinal deformity techniques have a more limited ability to restore sagittal ... -
Comparison of best versus worst clinical outcomes for adult spinal deformity surgery: a retrospective review of a prospectively collected, multicenter database with 2-year follow-up.
Smith, Justin S; Shaffrey, Christopher I; Lafage, Virginie; Schwab, Frank; Scheer, Justin K; Protopsaltis, Themistocles; Klineberg, Eric; ... (19 authors) (Journal of neurosurgery. Spine, 2015-09)<h4>Object</h4>Although recent studies suggest that average clinical outcomes are improved following surgery for selected adult spinal deformity (ASD) patients, these outcomes span a broad range. Few studies have specifically ... -
Comparison of Complications and Clinical and Radiographic Outcomes Between Nonobese and Obese Patients with Adult Spinal Deformity Undergoing Minimally Invasive Surgery.
Park, Paul; Wang, Michael Y; Nguyen, Stacie; Mundis, Gregory M; La Marca, Frank; Uribe, Juan S; Anand, Neel; ... (17 authors) (World neurosurgery, 2016-03)<h4>Objective</h4>Obesity can be associated with increased complications and potentially worse outcomes. We aimed to evaluate the impact of obesity on complications and outcomes in patients with adult spinal deformity (ASD) ... -
Comparison of radiographic results after minimally invasive, hybrid, and open surgery for adult spinal deformity: a multicenter study of 184 patients.
Haque, Raqeeb M; Mundis, Gregory M; Ahmed, Yousef; El Ahmadieh, Tarek Y; Wang, Michael Y; Mummaneni, Praveen V; Uribe, Juan S; ... (21 authors) (Neurosurgical focus, 2014-05)<h4>Object</h4>Various surgical approaches, including open, minimally invasive, and hybrid techniques, have gained momentum in the management of adult spinal deformity. However, few data exist on the radiographic outcomes ... -
Comparison of Structural Disease Burden to Health-related Quality of Life Scores in 264 Adult Spinal Deformity Patients With 2-Year Follow-up: Novel Insights into Drivers of Disability.
Bakhsheshian, Joshua; Scheer, Justin K; Gum, Jeffrey L; Horner, Lance; Hostin, Richard; Lafage, Virginie; Bess, Shay; ... (17 authors) (Clinical spine surgery, 2017-03)<h4>Study design</h4>This is a review of a prospective multicenter database.<h4>Objective</h4>To investigate the relationship between preoperative disability and sagittal deformity in patients with high Oswestry Disability ...