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1. Contemporary utilization of three-column osteotomy techniques in a prospective complex spinal deformity multicenter database: implications on full-body alignment and perioperative course

Author

Williamson, Tyler K., Mir, Jamshaid M., Smith, Justin S., Lafage, Virginie, Lafage, Renaud, Line, Breton, Diebo, Bassel G., Daniels, Alan H., Gum, Jeffrey L., Hamilton, D. Kojo, Scheer, Justin K., Eastlack, Robert, Demetriades, Andreas K., Kebaish, Khaled M., Lewis, Stephen, Lenke, Lawrence G., Hostin Jr, Richard A., Gupta, Munish C., Kim, Han Jo, Ames, Christopher P., Burton, Douglas C., Shaffrey, Christopher I., Klineberg, Eric O., Bess, Shay, and Passias, Peter G.

Published
2024
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4. Development of a modified frailty index for adult spinal deformities independent of functional changes following surgical correction: a true baseline risk assessment tool

Author

Passias, Peter G., Pierce, Katherine E., Mir, Jamshaid M., Krol, Oscar, Lafage, Renaud, Lafage, Virginie, Line, Breton, Uribe, Juan S., Hostin, Richard, Daniels, Alan, Hart, Robert, Burton, Douglas, Shaffrey, Christopher, Schwab, Frank, Diebo, Bassel G., Ames, Christopher P., Smith, Justin S., Schoenfeld, Andrew J., Bess, Shay, and Klineberg, Eric O.

Published
2024
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5. Are We Focused on the Wrong Early Postoperative Quality Metrics? Optimal Realignment Outweighs Perioperative Risk in Adult Spinal Deformity Surgery.

Author

Passias, Peter, Williamson, Tyler, Mir, Jamshaid, Smith, Justin, Lafage, Virginie, Lafage, Renaud, Line, Breton, Daniels, Alan, Gum, Jeffrey, Schoenfeld, Andrew, Hamilton, David, Soroceanu, Alex, Scheer, Justin, Eastlack, Robert, Mundis, Gregory, Diebo, Bassel, Kebaish, Khaled, Hostin, Richard, Gupta, Munish, Kim, Han, Klineberg, Eric, Ames, Christopher, Hart, Robert, Burton, Douglas, Schwab, Frank, Shaffrey, Christopher, and Bess, Shay

Subjects
Medicare, adult spinal deformity, clinical improvement, complex realignment, complications, cost-utility
Abstract

BACKGROUND: 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. OBJECTIVE: Compare long-term clinical success and cost-utility between patients achieving optimal realignment and suboptimally aligned peers. STUDY DESIGN/SETTING: Retrospective cohort study of a prospectively collected multicenter database. METHODS: ASD patients with two-year (2Y) data included. Groups were propensity score matched (PSM) for age, frailty, body mass index (BMI), Charlson Comorbidity Index (CCI), and baseline deformity. Optimal radiographic criteria are defined as meeting low deformity in all three (Scoliosis Research Society) SRS-Schwab parameters or being proportioned in Global Alignment and Proportionality (GAP). Cost-per-QALY was calculated for each time point. Multivariable logistic regression analysis and ANCOVA (analysis of covariance) adjusting for baseline disability and deformity (pelvic incidence (PI), pelvic incidence minus lumbar lordosis (PI-LL)) were used to determine the significance of surgical details, complications, clinical outcomes, and cost-utility. RESULTS: A total of 930 patients were considered. Following PSM, 253 optimal (O) and 253 not optimal (NO) patients were assessed. The O group underwent more invasive procedures and had more levels fused. Analysis of complications by two years showed that the O group suffered less overall major (38% vs. 52%, p = 0.021) and major mechanical complications (12% vs. 22%, p = 0.002), and less reoperations (23% vs. 33%, p = 0.008). Adjusted analysis revealed O patients more often met MCID (minimal clinically important difference) in SF-36 PCS, SRS-22 Pain, and Appearance. Cost-utility-adjusted analysis determined that the O group generated better cost-utility by one year and maintained lower overall cost and costs per QALY (both p < 0.001) at two years. CONCLUSIONS: Fewer late complications (mechanical and reoperations) are seen in optimally aligned patients, leading to better long-term cost-utility overall. Therefore, the current focus on avoiding short-term complications may be counterproductive, as achieving optimal surgical correction is critical for long-term success.

Published
2023

6. Critical Analysis of Radiographic and Patient-Reported Outcomes Following Anterior/Posterior Staged Versus Same-Day Surgery in Patients Undergoing Identical Corrective Surgery for Adult Spinal Deformity

Author

Passias, Peter G., Ahmad, Waleed, Tretiakov, Peter S., Lafage, Renaud, Lafage, Virginie, Schoenfeld, Andrew J., Line, Breton, Daniels, Alan, Mir, Jamshaid M., Gupta, Munish, Mundis, Gregory, Eastlack, Robert, Nunley, Pierce, Hamilton, D. Kojo, Hostin, Richard, Hart, Robert, Burton, Douglas C., Shaffrey, Christopher, Schwab, Frank, Ames, Christopher, Smith, Justin S., Bess, Shay, and Klineberg, Eric O.

Published
2024
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10. The Evolution of Enhanced Recovery After Surgery: Assessing the Clinical Benefits of Developments Within Enhanced Recovery After Surgery Protocols in Adult Cervical Deformity Surgery

Author

Passias, Peter G., Tretiakov, Peter S., Onafowokan, Oluwatobi O., Galetta, Matthew, Lorentz, Nathan, Mir, Jamshaid M., Das, Ankita, Dave, Pooja, Lafage, Renaud, Yee, Timothy, Diebo, Bassel, Vira, Shaleen, Jankowski, Pawel P., Hockley, Aaron, Daniels, Alan, Schoenfeld, Andrew J., Mummaneni, Praveen, Paulino, Carl B., and Lafage, Virginie

Published
2024
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11. Assessing the Economic Benefits of Enhanced Recovery After Surgery (ERAS) Protocols in Adult Cervical Deformity Patients: Is the Initial Additive Cost of Protocols Offset by Clinical Gains?

Author

Tretiakov, Peter S., Onafowokan, Oluwatobi O., Lorentz, Nathan, Galetta, Matthew, Mir, Jamshaid M., Das, Ankita, Dave, Pooja, Yee, Timothy, Buell, Thomas J., Jankowski, Pawel P., Eastlack, Robert, Hockley, Aaron, Schoenfeld, Andrew J., and Passias, Peter G.

Published
2024
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13. The Impact of Lumbopelvic Realignment Versus Prevention Strategies at the Upper-instrumented Vertebra on the Rates of Junctional Failure Following Adult Spinal Deformity Surgery

Author

Passias, Peter G., Williamson, Tyler K., Joujon-Roche, Rachel, Krol, Oscar, Tretiakov, Peter, Imbo, Bailey, Schoenfeld, Andrew J., Owusu-Sarpong, Stephane, Lebovic, Jordan, Mir, Jamshaid, Dave, Pooja, McFarland, Kimberly, Vira, Shaleen, Diebo, Bassel G., Park, Paul, Chou, Dean, Smith, Justin S., Lafage, Renaud, and Lafage, Virginie

Published
2024
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16. The Importance of Incorporating Proportional Alignment in Adult Cervical Deformity Corrections Relative to Regional and Global Alignment: Steps Toward Development of a Cervical-Specific Score

Author

Passias, Peter G., Williamson, Tyler K., Pierce, Katherine E., Schoenfeld, Andrew J., Krol, Oscar, Imbo, Bailey, Joujon-Roche, Rachel, Tretiakov, Peter, Ahmad, Salman, Bennett-Caso, Claudia, Mir, Jamshaid, Dave, Pooja, McFarland, Kimberly, Owusu-Sarpong, Stephane, Lebovic, Jordan A., Janjua, Muhammad Burhan, de la Garza-Ramos, Rafael, Vira, Shaleen, Diebo, Bassel, Koller, Heiko, Protopsaltis, Themistocles S., Lafage, Renaud, and Lafage, Virginie

Published
2024
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20. Impact of Frailty on the Development of Proximal Junctional Failure: Does Frailty Supersede Achieving Optimal Realignment?

Author

Krol, Oscar, McFarland, Kimberly, Owusu-Sarpong, Stephane, Sagoo, Navraj, Williamson, Tyler, Joujon-Roche, Rachel, Tretiakov, Peter, Imbo, Bailey, Dave, Pooja, Mir, Jamshaid, Lebovic, Jordan, Onafowokan, Oluwatobi O., Schoenfeld, Andrew J., De la Garza Ramos, Rafael, Janjua, Muhammad Burhan, Sciubba, Daniel M., Diebo, Bassel G., Vira, Shaleen, Smith, Justin S., Lafage, Virginie, Lafage, Renaud, and Passias, Peter G.

Published
2023
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21. The Impact of Lumbopelvic Realignment versus Prevention Strategies at the Upper-Instrumented Vertebra on Rates of Junctional Failure following Adult Spinal Deformity Surgery

Author

Passias, Peter G., Williamson, Tyler K., Joujon-Roche, Rachel, Krol, Oscar, Tretiakov, Peter, Imbo, Bailey, Schoenfeld, Andrew J., Owusu-Sarpong, Stephane, Lebovic, Jordan, Mir, Jamshaid, Dave, Pooja, McFarland, Kimberly, Vira, Shaleen, Diebo, Bassel G., Park, Paul, Chou, Dean, Smith, Justin S., Lafage, Renaud, and Lafage, Virginie

Published
2023
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23. Factors Associated With the Maintenance of Costeffectiveness at Five Years in Adult Spinal Deformity Corrective Surgery.

Author

Passias, Peter G., Mir, Jamshaid M., Dave, Pooja, Smith, Justin S., Lafage, Renaud, Gum, Jeffrey, Line, Breton G., Diebo, Bassel, Daniels, Alan H., Hamilton, David Kojo, Buell, Thomas J., Scheer, Justin K., Eastlack, Robert K., Mullin, Jeffrey P., and Mundis, Gregory M.

Subjects
*COST, *SPINE abnormalities, *LIFE expectancy, *COST effectiveness, *ADULTS
Abstract

Objective. To evaluate factors associated with the long-term durability of cost-effectiveness (CE) in ASD patients. Background. A substantial increase in costs associated with the surgical treatment for adult spinal deformity (ASD) has given precedence to scrutinize the value and utility it provides. Methods. We included 327 operative ASD patients with five-year (5 yr) follow-up. Published methods were used to determine costs based on CMS.gov definitions and were based on the average DRG reimbursement rates. The utility was calculated using quality-adjusted life-years (QALY) utilizing the Oswestry Disability Index (ODI) converted to Short-Form Six-Dimension (SF-6D), with a 3% discount applied for its decline in life expectancy. The CE threshold of $150,000 was used for primary analysis. Results. Major and minor complication rates were 11% and 47%, respectively, with 26% undergoing reoperation by five years. The mean cost associated with surgery was $91,095 ± $47,003, with a utility gain of 0.091 ±0.086 at one years, QALY gained at 2 years of 0.171± 0.183, and at five years of 0.42 ±0.43. The cost per QALY at two years was $414,885, which decreased to $142,058 at five years. With the threshold of $150,000 for CE, 19% met CE at two years and 56% at five years. In those in which revision was avoided, 87% met cumulative CE till life expectancy. Controlling analysis depicted higher baseline CCI and pelvic tilt (PT) to be the strongest predictors for not maintaining durable CE to five years [CCI OR: 1.821 (1.159--2.862), P=0.009] [PT OR: 1.079 (1.007--1.155), P=0.030]. Conclusions. Most patients achieved cost-effectiveness after four years postoperatively, with 56% meeting at five years postoperatively. When revision was avoided, 87% of patients met cumulative cost-effectiveness till life expectancy. Mechanical complications were predictive of failure to achieve cost-effectiveness at two years, while comorbidity burden and medical complications were at five years. [ABSTRACT FROM AUTHOR]

Published
2024
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24. Is it Possible for Patients with Early Distal Junctional Kyphosis following Adult Cervical Deformity Corrective Surgery to Achieve Similar Outcomes to their Unaffected Counterparts: an Analysis of Recovery Kinetics

Author

Onafowokan, Oluwatobi O, primary, Imbo, Bailey, additional, Williamson, Tyler, additional, Das, Ankita, additional, Mir, Jamshaid M, additional, Galetta, Matthew, additional, Lorentz, Nathan, additional, and Passias, Peter G, additional

Published
2024
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27. 371 The Impact of Thoracolumbar Inflection Point on Outcomes and Complications in Adult Spinal Deformity

Author

Mir, Jamshaid M., primary, Passias, Peter G., additional, Lewis, Stephen, additional, Tretiakov, Peter S., additional, Dave, Pooja, additional, Lafage, Renaud, additional, Smith, Justin S., additional, Line, Breton G., additional, Diebo, Bassel G., additional, Daniels, Alan H., additional, Gum, Jeffrey Lynn, additional, and Protopsalt, Themistocles, additional

Published
2024
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28. 326 Factors Associated With the Maintenance of Cost-Effectiveness at 5 Years in Adult Spinal Deformity Corrective Surgery

Author

Passias, Peter G., primary, Mir, Jamshaid M., additional, Dave, Pooja, additional, Tretiakov, Peter S., additional, Smith, Justin S., additional, Lafage, Renaud, additional, Gum, Jeffrey Lynn, additional, Line, Breton G., additional, Diebo, Bassel G., additional, Daniels, Alan H., additional, Protopsaltis, Themistocles, additional, and Hamilton, D. Kojo, additional

Published
2024
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30. Assessing the Impact of Radiographic Realignment on Adult Spinal Deformity Patients with Sacroiliac Joint Pain at Presentation.

Author

Onafowokan, Oluwatobi O., Tretiakov, Peter, Lorentz, Nathan, Galetta, Matthew, Das, Ankita, Mir, Jamshaid, Roberts, Timothy, and Passias, Peter G.

Subjects
SACROILIAC joint, JOINT pain, SPINE abnormalities, ADULTS, REGRESSION analysis
Abstract

Background: Adult spinal deformity (ASD) patients with concurrent sacroiliac joint (SIJ) pain are susceptible to worse postoperative outcomes. There is scarce literature on the impact of ASD realignment surgery on SIJ pain. Methods: Patients undergoing ASD realignment surgery were included and stratified by the presence of SIJ pain at the baseline (SIJP+) or SIJ pain absence (SIJP−). Mean comparison tests via ANOVA were used to assess baseline differences between both cohorts. Multivariable regression analyses analyzed factors associated with SIJ pain resolution/persistence, factoring in BMI, frailty, disability, and deformity. Results: A total of 464 patients were included, with 30.8% forming the SIJP+ cohort. At the baseline (BL), SIJP+ had worse disability scores, more severe deformity, higher BMI, higher frailty scores, and an increased magnitude of lower limb compensation. SIJP+ patients had higher mechanical complication (14.7 vs. 8.2%, p = 0.024) and reoperation rates (32.4 vs. 20.2%, p = 0.011) at 2 years. SIJP+ patients who subsequently underwent SI fusion achieved disability score outcomes similar to those of their SIJ− counterparts. Multivariable regression analysis revealed that SIJP+ patients who were aligned in the GAP lordosis distribution index were more likely to report symptom resolution at six weeks (OR 1.56, 95% CI: 1.02–2.37, p = 0.039), 1 year (OR 3.21, 2.49–5.33), and 2 years (OR 3.43, 2.41–7.12). SIJP− patients who did not report symptom resolution by 1 year and 2 years were more likely to demonstrate PI-LL > 5° (OR 1.36, 1.07–2.39, p = 0.045) and SVA > 20 mm (OR 1.62, 1.24–1.71 p = 0.017). Conclusions: SIJ pain in ASD patients may result in worsened pain and disability at presentation. Symptom resolution may be achieved in affected patients by adequate postoperative lumbar lordosis restoration. [ABSTRACT FROM AUTHOR]

Published
2024
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31. Is It Possible for Patients with Early Distal Junctional Kyphosis following Adult Cervical Deformity Corrective Surgery to Achieve Similar Outcomes to Their Unaffected Counterparts? An Analysis of Recovery Kinetics.

Author

Onafowokan, Oluwatobi O., Imbo, Bailey, Williamson, Tyler, Das, Ankita, Mir, Jamshaid M., Galetta, Matthew, Lorentz, Nathan, and Passias, Peter G.

Subjects
KYPHOSIS, PATIENT reported outcome measures, ADULTS, QUALITY of life, HUMAN abnormalities
Abstract

Background: Distal junctional kyphosis (DJK) is a concerning complication for surgeons performing cervical deformity (CD) surgery. Patients sustaining such complications may demonstrate worse recovery profiles compared to their unaffected peers. Methods: DJK was defined as a >10° change in kyphosis between LIV and LIV-2, and a >10° index angle. CD patients were grouped according to the development of DJK by 3M vs. no DJK development. Means comparison tests and regression analyses used to analyze differences between groups and arelevant associations. Results: A total of 113 patients were included (17 DJK, 96 non-DJK). DJK patients were more sagittally malaligned preop, and underwent more osteotomies and combined approaches. Postop, DJK patients experienced more dysphagia (17.7% vs. 4.2%; p = 0.034). DJK patients remained more malaligned in cSVA through the 2-year follow-up. DJK patients exhibited worse patient-reported outcomes from 3M to 1Y, but these differences subsided when following patients through to 2Y; they also exhibited worse NDI (65.3 vs. 35.3) and EQ5D (0.68 vs. 0.79) scores at 1Y (both p < 0.05), but these differences had subsided by 2Y. Conclusions: Despite patients exhibiting similar preoperative health-related quality of life metrics, patients who developed early DJK exhibited worse postoperative neck disability following the development of their DJK. These differences subsided by the 2-year follow-up, highlighting the prolonged but eventually successful course of many DJK patients after CD surgery. [ABSTRACT FROM AUTHOR]

Published
2024
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32. Comparison of multilevel low-grade techniques versus three-column osteotomies in adult spinal deformity surgery: does harmonious correction matter?

Author

Passias, Peter G., Williamson, Tyler K., Mir, Jamshaid M., Lebovic, Jordan A., Dave, Pooja, Tretiakov, Peter S., Joujon-Roche, Rachel, Imbo, Bailey, Krol, Oscar, Owusu-Sarpong, Stephane, Vira, Shaleen, Schoenfeld, Andrew J., Daniels, Alan H., Diebo, Bassel G., Lafage, Renaud, and Lafage, Virginie

Published
2024
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33. Impact of congestive heart failure on patients undergoing lumbar spine fusion for adult spine deformity

Author

Onafowokan, Oluwatobi O., primary, Ahmad, Waleed, additional, McFarland, Kimberly, additional, Williamson, Tyler K., additional, Tretiakov, Peter, additional, Mir, Jamshaid M., additional, Das, Ankita, additional, Bell, Joshua, additional, Naessig, Sara, additional, Vira, Shaleen, additional, Lafage, Virginie, additional, Paulino, Carl, additional, Diebo, Bassel, additional, Schoenfeld, Andrew, additional, Hassanzadeh, Hamid, additional, Jankowski, Pawel P., additional, Hockley, Aaron, additional, and Passias, Peter Gust, additional

Published
2024
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35. Predictors of pelvic tilt normalization: a multicenter study on the impact of regional and lower-extremity compensation on pelvic alignment after complex adult spinal deformity surgery.

Author

Dave, Pooja, Lafage, Renaud, Smith, Justin S., Line, Breton G., Tretiakov, Peter S., Mir, Jamshaid, Diebo, Bassel, Daniels, Alan H., Gum, Jeffrey L., Hamilton, D. Kojo, Buell, Thomas, Than, Khoi D., Kai-Ming Fu, Scheer, Justin K., Eastlack, Robert, Mullin, Jeffrey P., Mundis Jr., Gregory, Naobumi Hosogane, Mitsuru Yagi, and Nunley, Pierce

Published
2024
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37. Persistent Lower Extremity Compensation for Sagittal Imbalance After Surgical Correction of Complex Adult Spinal Deformity: A Radiographic Analysis of Early Impact

Author

Williamson, Tyler K., primary, Dave, Pooja, additional, Mir, Jamshaid M., additional, Smith, Justin S., additional, Lafage, Renaud, additional, Line, Breton, additional, Diebo, Bassel G., additional, Daniels, Alan H., additional, Gum, Jeffrey L., additional, Protopsaltis, Themistocles S., additional, Hamilton, D. Kojo, additional, Soroceanu, Alex, additional, Scheer, Justin K., additional, Eastlack, Robert, additional, Kelly, Michael P., additional, Nunley, Pierce, additional, Kebaish, Khaled M., additional, Lewis, Stephen, additional, Lenke, Lawrence G., additional, Hostin, Richard A., additional, Gupta, Munish C., additional, Kim, Han Jo, additional, Ames, Christopher P., additional, Hart, Robert A., additional, Burton, Douglas C., additional, Shaffrey, Christopher I., additional, Klineberg, Eric O., additional, Schwab, Frank J., additional, Lafage, Virginie, additional, Chou, Dean, additional, Fu, Kai-Ming, additional, Bess, Shay, additional, and Passias, Peter G., additional

Published
2023
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38. 5. Sustenance of substantial clinical benefit in adult spinal deformity corrective surgery patients: a minimum 5-year outcomes analysis

Author

Mir, Jamshaid, primary, Tretiakov, Peter, additional, Das, Ankita, additional, Onafowokan, Oluwatobi, additional, Lorentz, Nathan, additional, Galetta, Matthew, additional, Lebovic, Jordan, additional, Dave, Pooja, additional, Owusu-Sarpong, Stephane, additional, Janjua, Muhammad, additional, and Passias, Peter, additional

Published
2023
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40. P22. Identifying tranexamic acid dosing predictive of decreased risk of intraoperative transfusion accounting for body mass index and surgical invasiveness in complex adult spinal deformity surgery

Author

Passias, Peter, primary, Tretiakov, Peter, additional, Mir, Jamshaid, additional, Dave, Pooja, additional, Lafage, Renaud, additional, Smith, Justin, additional, Line, Breton, additional, Diebo, Bassel, additional, Daniels, Alan, additional, Gum, Jeffrey, additional, Protopsaltis, Themistocles, additional, Hamilton, D. Kojo, additional, Buell, Thomas, additional, Soroceanu, Alexandra, additional, Scheer, Justin, additional, Eastlack, Robert, additional, Mundis, Gregory, additional, Hosogane, Naobumi, additional, Yagi, Mitsuru, additional, Kelly, Michael, additional, Turner, Jay, additional, Kanter, Adam, additional, Fessler, Richard, additional, Kebaish, Khaled M., additional, Lewis, Stephan J., additional, Hostin, Richard A., additional, Gupta, Munish C., additional, Kim, Han Jo, additional, Ames, Christopher P., additional, Hart, Robert A., additional, Lenke, Lawrence G., additional, Shaffrey, Christopher I., additional, Schwab, Frank J., additional, Lafage, Virginie, additional, Klineberg, Eric O., additional, Bess, Shay, additional, and Burton, Douglas C., additional

Published
2023
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41. 204. Analysis of cost utility of distal junctional kyphosis occurrence after adult cervical deformity surgery: the benefit of prophylaxis and preoperative optimization

Author

Passias, Peter, primary, Dave, Pooja, additional, Tretiakov, Peter, additional, Das, Ankita, additional, Lorentz, Nathan, additional, Galetta, Matthew, additional, Lebovic, Jordan, additional, Mir, Jamshaid, additional, Macagno, Angel, additional, Roberts, Timothy, additional, Janjua, Muhammad, additional, Schoenfeld, Andrew, additional, and Onafowokan, Oluwatobi, additional

Published
2023
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42. 9. Does diminishing length of stay results in improved outcomes? Cost-benefit analysis of patient outcomes with differences in disposition after adult spinal deformity surgery

Author

Dave, Pooja, primary, Mir, Jamshaid, additional, Das, Ankita, additional, Onafowokan, Oluwatobi, additional, Lorentz, Nathan, additional, Galetta, Matthew, additional, Lebovic, Jordan, additional, Tretiakov, Peter, additional, Schoenfeld, Andrew, additional, Lafage, Virginie, additional, Lafage, Renaud, additional, and Passias, Peter, additional

Published
2023
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45. P116. What degree of malalignment justifies performance of three-column osteotomy in revision lumbar spinal fusion?

Author

Mir, Jamshaid, primary, Passias, Peter, additional, Lafage, Renaud, additional, Smith, Justin, additional, Tretiakov, Peter, additional, Dave, Pooja, additional, Line, Breton, additional, Diebo, Bassel, additional, Daniels, Alan, additional, Gum, Jeffrey, additional, Protopsaltis, Themistocles, additional, Hamilton, D. Kojo, additional, Buell, Thomas, additional, Soroceanu, Alexandra, additional, Scheer, Justin, additional, Eastlack, Robert, additional, Mullin, Jeffrey, additional, Mundis, Gregory, additional, Hosogane, Naobumi, additional, Yagi, Mitsuru, additional, Kelly, Michael, additional, Park, Paul, additional, Nunley, Pierce, additional, Chou, Dean, additional, Klineberg, Eric O., additional, Kebaish, Khaled M., additional, Lewis, Stephen J., additional, Hostin, Richard A., additional, Kim, Han Jo, additional, Ames, Christopher P., additional, Hart, Robert A., additional, Lenke, Lawrence G., additional, Shaffrey, Christopher I., additional, Bess, Shay, additional, Schwab, Frank J., additional, Lafage, Virginie, additional, and Burton, Douglas C., additional

Published
2023
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46. P117. Which frailty components have the greatest influence on the ability of frail patients to achieve optimal outcomes after adult spinal deformity correction? A retrospective analysis

Author

Tretiakov, Peter, primary, McFarland, Kimberly, additional, Dave, Pooja, additional, Mir, Jamshaid, additional, Owusu-Sarpong, Stephane, additional, Robertson, Djani, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Schoenfeld, Andrew, additional, Macagno, Angel, additional, Roberts, Timothy, additional, and Passias, Peter, additional

Published
2023
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48. 7. Impact of increased component utilization in adult spinal deformity surgery: identifying differences in outcomes based on cost utility of individual surgical components

Author

Passias, Peter, primary, Dave, Pooja, additional, Das, Ankita, additional, Onafowokan, Oluwatobi, additional, Lorentz, Nathan, additional, Galetta, Matthew, additional, Lebovic, Jordan, additional, Mir, Jamshaid, additional, Tretiakov, Peter, additional, Lafage, Renaud, additional, and Lafage, Virginie, additional

Published
2023
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49. 205. Impact of single-position on patient outcomes and cost in minimally invasive adult spinal deformity surgery

Author

Passias, Peter, primary, Dave, Pooja, additional, Das, Ankita, additional, Roberts, Timothy, additional, Lorentz, Nathan, additional, Galetta, Matthew, additional, Lebovic, Jordan, additional, Mir, Jamshaid, additional, Tretiakov, Peter, additional, Schoenfeld, Andrew, additional, Janjua, Muhammad, additional, Macagno, Angel, additional, and Onafowokan, Oluwatobi, additional

Published
2023
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