206. Comparative analysis of the occurrence and clinical impact of dramatic global kyphosis in the unfused thoracic spine relative to distal junctional failure following adult cervical deformity surgery
There remains a paucity of literature regarding the outcomes of patients developing reciprocal unfused thoracic kyphosis (TK) in comparison to junctional failure after ACD corrective surgery. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Peter Passias, Peter Tretiakov, Ankita Das, Oluwatobi Onafowokan, Nathan Lorentz, Matthew Galetta, Pooja Dave, Jamshaid Mir, Tyler Williamson, Stephane Owusu-Sarpong, Jordan Lebovic Source Type: research
207. Preoperative inflection point according to the Roussouly classification is a predictor of outcomes following adult spinal deformity surgery
According to the Roussouly classification, the spine's inflection point is where lordosis transitions to kyphosis. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Hani Chanbour, Graham Johnson, Jeffrey Chen, Tyler Metcalf, Steven Roth, Adam Wegner, Amir Abtahi, Scott Zuckerman, Byron Stephens Source Type: research
208. Patients undergoing adult spinal deformity surgery report more improvement with standing than sitting
Sparse literature exists regarding which Oswestry Disability Index (ODI) subdomains improve after adult spinal deformity (ASD) surgery and what influences improvement in each subdomain. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Michael Longo, Hani Chanbour, Jeffrey Chen, Steven Roth, Scott Zuckerman, Byron Stephens, Amir Abtahi Source Type: research
209. Immediate postoperative sagittal change of proximal segments in adult spinal deformity surgery is an independent risk factor for progressive proximal junctional kyphosis
In adult spinal deformity (ASD) surgery, few studies have evaluated the impact of baseline or immediate postoperative sagittal changes of proximal segments with respect to the risk of progressive proximal junctional kyphosis (PJK). (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Sachin Gupta, Ali Farooqi, Alexandra Soroceanu, Frank Schwab, Virginie Lafage, Michael Kelly, Khaled Kebaish, Richard Hostin, Jeffrey Gum, Justin Smith, Christopher Shaffrey, Justin Scheer, Themistocles Protopsaltis, Peter Passias, Shay Bess, Robert Eastl Source Type: research
210. Pelvic nonresponse is associated with failure to restore low lumbar lordosis and a higher rate of mechanical complications in adult spinal deformity patients
Despite achieving seemingly adequate sagittal alignment following fusion, compensatory retroversion of the pelvis may still fail to resolve in adult spinal deformity (ASD) patients, referred to as pelvic nonresponse. While linked to adverse surgical outcomes, predicting nonresponse is less well understood. We hypothesize that ‘pelvic nonresponders’, defined as patients who maintain a high pelvic tilt (PT) postoperatively, will have worse correction of sagittal alignment and experience higher mechanical complications than ‘pelvic responders’, whose pelvic tilt is corrected. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Tyler Metcalf, Hani Chanbour, Jeffrey Chen, Graham Johnson, Mason Young, Mitchell Bowers, Julian Lugo-Pico, Amir Abtahi, Scott Zuckerman, Byron Stephens Source Type: research
NASS 2023 Author Disclosure Index
(Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Source Type: research
NASS 2023 Author Index
(Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Source Type: research
NASS 2023 Subject Index
(Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Source Type: research
1. Does multidisciplinary team approach improve patient outcomes: impact of high-risk committee inclusion on adult spinal deformity patient outcomes
High-risk committees have recently been instituted at many hospitals, in an effort to minimize operative risk and recruit a multidisciplinary discussion. Both surgical and medical risk factors can lead to the occurrence of adverse events and prolonged recovery course. Little consensus has been reached as to whether inclusion into high risk committees improve patient outcomes. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Peter Passias, Pooja Dave, Peter Tretiakov, Ankita Das, Oluwatobi Onafowokan, Nathan Lorentz, Matthew Galetta, Jordan Lebovic, Jamshaid Mir, Renaud Lafage, Virginie Lafage Tags: Wednesday, October 18, 2023 Source Type: research
2. Which bone mineral density measure offers a more reliable prediction of mechanical complications in adult spinal deformity surgery: Hounsfield Units or DEXA scan?
Low bone mineral density (BMD) is a well-established risk factor for poor surgical outcomes following adult spinal deformity (ASD) surgery. The optimal measurement of BMD in ASD surgery remains undetermined. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Hani Chanbour, Jeffrey Chen, Raymond Gardocki, Amir Abtahi, Byron Stephens, Scott Zuckerman Source Type: research
3. Choosing an upper instrumented vertebra of T9-T10 over T11-L2 will reduce mechanical complications in adult spinal deformity surgery
Selection of the upper instrumented vertebra (UIV) in adult spinal deformity (ASD) surgery involves a balance between preserving motion segments and minimizing supraphysiologic stress on the proximal non-instrumented segments. T9-10 are commonly selected though more distal segments of the thoracolumbar junction are sometimes targeted. We hypothesize that choosing an UIV of T9-T10 over T11-L2 will reduce mechanical complications in ASD surgery. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Tyler Metcalf, Hani Chanbour, Jeffrey Chen, Graham Johnson, Mason Young, Mitchell Bowers, Julian Lugo-Pico, Amir Abtahi, Scott Zuckerman, Byron Stephens Source Type: research
4. Computerized tomography Hounsfield Units measurements can reliably predict proximal junctional kyphosis in adult spinal deformity patients with long constructs
Several studies have examined the relationship between low computerized tomography Hounsfield units (CTHU) and postoperative complications in adult spinal deformity (ASD) surgery. Low CTHU, specifically scores below 159, at the upper instrumented vertebra (UIV) and UIV+1 have been shown to increase the likelihood to develop proximal junction kyphosis (PJ K), pseudarthrosis, and pedicle screw loosening. In contrast, greater CTHU values have been associated with greater osteologic fusion potential at 1-year follow-up. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Josephine R. Coury, Justin Reyes, Matan Malka, Natalia Czerwonka, Joseph Lombardi, Lawrence Lenke, Zeeshan Sardar Source Type: research
5. Sustenance of substantial clinical benefit in adult spinal deformity corrective surgery patients: a minimum 5-year outcomes analysis
Clinical outcomes for adult spinal deformity patients has been extensively reported on, however factors associated with sustaining 2-year (2Y) substantial clinical benefit (SCB) until 5-year (5Y) remains unclear. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Jamshaid Mir, Peter Tretiakov, Ankita Das, Oluwatobi Onafowokan, Nathan Lorentz, Matthew Galetta, Jordan Lebovic, Pooja Dave, Stephane Owusu-Sarpong, Muhammad Janjua, Peter Passias Source Type: research
119. Adverse events associated the barricaid annular closure device: an analysis of the FDA MAUDE database
The Food and Drug Administration (FDA) maintains the Manufacturer and User Facility Device Experience (MAUDE) database for reporting adverse events associated with medical devices. This is a valuable tool for FDA-approved devices to follow the long-term complications associated with the device. Medical knowledge is currently limited of the adverse events associated with the annular closure device. This research aimed to evaluate adverse events related to this device, identify areas for improvement, reduce complications, and prevent future patient injury. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Steven Graefe, Gregory J. Kirchner, Ariel Kwart, Nicholas Rowe, Jesse E. Bible Tags: Friday, October 20, 2023 7:30-9:00 Complications Source Type: research
120. Use of vancomycin and gentamicin-impregnated calcium sulfate beads for the prevention of surgical site infection in adult spinal deformity
Surgical site infections (SSI) occur at higher rates in adult spinal deformity surgery and are a significant driver of morbidity and increased health system cost. Use of intrawound vancomycin powder has demonstrated equivocal results, prompting interest in delivery mechanisms such as antibiotic-laden calcium sulfate beads which offer improved elution profiles and have demonstrated success in extremity surgery. (Source: The Spine Journal)
Source: The Spine Journal - August 22, 2023 Category: Orthopaedics Authors: Grace X. Xiong, Bradley Hammoor, Stuart Hershman, Andrew Simpson Source Type: research
