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3. Predictive Analytics for Determining Extended Operative Time in Corrective Adult Spinal Deformity Surgery.

Author

Passias, Peter G, Poorman, Gregory W, Vasquez-Montes, Dennis, Kummer, Nicholas, Mundis, Gregory, Anand, Neel, Horn, Samantha R, Segreto, Frank A, Passfall, Lara, Krol, Oscar, Diebo, Bassel, Burton, Doug, Buckland, Aaron, Gerling, Michael, Soroceanu, Alex, Eastlack, Robert, Kojo Hamilton, D, Hart, Robert, Schwab, Frank, Lafage, Virginie, Shaffrey, Christopher, Sciubba, Daniel, Bess, Shay, Ames, Christopher, and Klineberg, Eric

Subjects
Biomedical and Clinical Sciences, Clinical Sciences, Patient Safety, Clinical Research, Bioengineering, 6.4 Surgery, Evaluation of treatments and therapeutic interventions, adult spinal deformity, operative time, decision trees, predictive analytics, International Spine Study Group, Neurosciences, Clinical sciences
Abstract

BackgroundMore sophisticated surgical techniques for correcting adult spinal deformity (ASD) have increased operative times, adding to physiologic stress on patients and increased complication incidence. This study aims to determine factors associated with operative time using a statistical learning algorithm.MethodsRetrospective review of a prospective multicenter database containing 837 patients undergoing long spinal fusions for ASD. Conditional inference decision trees identified factors associated with skin-to-skin operative time and cutoff points at which factors have a global effect. A conditional variable-importance table was constructed based on a nonreplacement sampling set of 2000 conditional inference trees. Means comparison for the top 15 variables at their respective significant cutoffs indicated effect sizes.ResultsIncluded: 544 surgical ASD patients (mean age: 58.0 years; fusion length 11.3 levels; operative time: 378 minutes). The strongest predictor for operative time was institution/surgeon. Center/surgeons, grouped by decision tree hierarchy, a and b were, on average, 2 hours faster than center/surgeons c-f, who were 43 minutes faster than centers g-j, all P < 0.001. The next most important predictors were, in order, approach (combined vs posterior increases time by 139 minutes, P < 0.001), levels fused (

Published
2022

4. Risk of spinal surgery among individuals who have been re-vascularized for coronary artery disease

Author

Passias, Peter G., Ahmad, Waleed, Kapadia, Bhaveen H., Krol, Oscar, Bell, Joshua, Kamalapathy, Pramod, Imbo, Bailey, Tretiakov, Peter, Williamson, Tyler, Onafowokan, Oluwatobi O., Das, Ankita, Joujon-Roche, Rachel, Moattari, Kevin, Passfall, Lara, Kummer, Nicholas, Vira, Shaleen, Lafage, Virginie, Diebo, Bassel, Schoenfeld, Andrew J., and Hassanzadeh, Hamid

Published
2024
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5. Factors Influencing Maintenance of Alignment and Functional Improvement Following Adult Spinal Deformity Surgery: A 3-Year Outcome Analysis

Author

Passias, Peter G., Passfall, Lara, Moattari, Kevin, Krol, Oscar, Kummer, Nicholas A., Tretiakov, Peter, Williamson, Tyler, Joujon-Roche, Rachel, Imbo, Bailey, Burhan Janjua, Muhammad, Jankowski, Pawel, Paulino, Carl, Schwab, Frank J., Owusu-Sarpong, Stephane, Singh, Vivek, Ahmad, Salman, Onafowokan, Tobi, Lebovic, Jordan, Tariq, Muhammad, Saleh, Hesham, Vira, Shaleen, Smith, Justin S., Diebo, Bassel, and Schoenfeld, Andrew J.

Published
2024
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6. Prioritization of Realignment Associated With Superior Clinical Outcomes for Cervical Deformity Patients.

Author

Pierce, Katherine E, Passias, Peter G, Brown, Avery E, Bortz, Cole A, Alas, Haddy, Passfall, Lara, Krol, Oscar, Kummer, Nicholas, Lafage, Renaud, Chou, Dean, Burton, Douglas C, Line, Breton, Klineberg, Eric, Hart, Robert, Gum, Jeffrey, Daniels, Alan, Hamilton, Kojo, Bess, Shay, Protopsaltis, Themistocles, Shaffrey, Christopher, Schwab, Frank A, Smith, Justin S, Lafage, Virginie, Ames, Christopher, and International Spine Study Group (ISSG)

Subjects
International Spine Study Group, Alignment, Cervical deformity, Spine
Abstract

ObjectiveTo prioritize the cervical parameter targets for alignment.MethodsIncluded: cervical deformity (CD) patients (C2-7 Cobb angle > 10°, cervical lordosis > 10°, cervical sagittal vertical axis [cSVA] > 4 cm, or chin-brow vertical angle > 25°) with full baseline (BL) and 1-year (1Y) radiographic parameters and Neck Disability Index (NDI) scores; patients with cervical [C] or cervicothoracic [CT] Primary Driver Ames type. Patients with BL Ames classified as low CD for both parameters of cSVA ( < 4 cm) and T1 slope minus cervical lordosis (TS-CL) ( < 15°) were excluded. Patients assessed: meeting minimum clinically important differences (MCID) for NDI ( < -15 ΔNDI). Ratios of correction were found for regional parameters categorized by primary Ames driver (C or CT). Decision tree analysis assessed cutoffs for differences associated with meeting NDI MCID at 1Y.ResultsSeventy-seven CD patients (mean age, 62.1 years; 64% female; body mass index, 28.8 kg/m2). Forty-one point six percent of patients met MCID for NDI. A backwards linear regression model including radiographic differences as predictors from BL to 1Y for meeting MCID for NDI demonstrated an R2 of 0.820 (p = 0.032) included TS-CL, cSVA, McGregor's slope (MGS), C2 sacral slope, C2-T3 angle, C2-T3 SVA, cervical lordosis. By primary Ames driver, 67.5% of patients were C, and 32.5% CT. Ratios of change in predictors for MCID NDI patients for C and CT were not significant between the 2 groups (p > 0.050). Decision tree analysis determined cutoffs for radiographic change, prioritizing in the following order: ≥ 42.5° C2-T3 angle, > 35.4° cervical lordosis, < -31.76° C2 slope, < -11.57-mm cSVA, < -2.16° MGS, > -30.8-mm C2-T3 SVA, and ≤ -33.6° TS-CL.ConclusionCertain ratios of correction of cervical parameters contribute to improving neck disability. Prioritizing these radiographic alignment parameters may help optimize patient-reported outcomes for patients undergoing CD surgery.

Published
2021

7. Risk-benefit assessment of major versus minor osteotomies for flexible and rigid cervical deformity correction

Author

Passias, Peter Gust, Passfall, Lara, Horn, Samantha R, Pierce, Katherine E, Lafage, Virginie, Lafage, Renaud, Smith, Justin S, Line, Breton G, Mundis, Gregory M, Eastlack, Robert, Diebo, Bassel G, Protopsaltis, Themistocles S, Kim, Han Jo, Scheer, Justin, Burton, Douglas C, Hart, Robert A, Schwab, Frank J, Bess, Shay, Ames, Christopher P, and Shaffrey, Christopher I

Subjects
Biomedical and Clinical Sciences, Clinical Sciences, Clinical Research, Patient Safety, Fixed deformity, flexible deformity, osteotomy, pedicle subtraction osteotomy, rigid deformity, vertebral column resection, International Spine Study Group, Neurosciences, Clinical sciences
Abstract

IntroductionOsteotomies are commonly performed to correct sagittal malalignment in cervical deformity (CD). However, the risks and benefits of performing a major osteotomy for cervical deformity correction have been understudied. The objective of this retrospective cohort study was to investigate the risks and benefits of performing a major osteotomy for CD correction.MethodsPatients stratified based on major osteotomy (MAJ) or minor (MIN). Independent t-tests and Chi-squared tests were used to assess differences between MAJ and MIN. A sub-analysis compared patients with flexible versus rigid CL.Results137 CD patients were included (62 years, 65% F). 19.0% CD patients underwent a MAJ osteotomy. After propensity score matching for cSVA, 52 patients were included. About 19.0% CD patients underwent a MAJ osteotomy. MAJ patients had more minor complications (P = 0.045), despite similar surgical outcomes as MIN. At 3M, MAJ and MIN patients had similar NDI, mJOA, and EQ5D scores, however by 1 year, MAJ patients reached MCID for NDI less than MIN patients (P = 0.003). MAJ patients with rigid deformities had higher rates of complications (79% vs. 29%, P = 0.056) and were less likely to show improvement in NDI at 1 year (0.95 vs. 0.54, P = 0.027). Both groups had similar sagittal realignment at 1 year (all P > 0.05).ConclusionsCervical deformity patients who underwent a major osteotomy had similar clinical outcomes at 3-months but worse outcomes at 1-year as compared to minor osteotomies, likely due to differences in baseline deformity. Patients with rigid deformities who underwent a major osteotomy had higher complication rates and worse clinical improvement despite similar realignment at 1 year.

Published
2021

8. Factors Influencing Maintenance of Alignment and Functional Improvement Following Adult Spinal Deformity Surgery: A 3-Year Outcome Analysis

Author

Passias, Peter G., Passfall, Lara, Moattari, Kevin, Krol, Oscar, Kummer, Nicholas A., Tretiakov, Peter, Williamson, Tyler, Joujon-Roche, Rachel, Imbo, Bailey, Burhan Janjua, Muhammad, Jankowski, Pawel, Paulino, Carl, Schwab, Frank J., Owusu-Sarpong, Stephane, Singh, Vivek, Ahmad, Salman, Onafowokan, Tobi, Lebovic, Jordan, Tariq, Muhammad, Saleh, Hesham, Vira, Shaleen, Smith, Justin S., Diebo, Bassel, and Schoenfeld, Andrew J.

Published
2023
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9. “Reverse roussouly”: cervicothoracic curvature ratios define characteristic shapes in adult cervical deformity

Author

Passias, Peter G., Pierce, Katherine E., Williamson, Tyler, Vira, Shaleen, Owusu-Sarpong, Stephane, Singh, Ravinderjit, Krol, Oscar, Passfall, Lara, Kummer, Nicholas, Imbo, Bailey, Joujon-Roche, Rachel, Tretiakov, Peter, Moattari, Kevin, Abola, Matthew V., Ahmad, Waleed, Naessig, Sara, Ahmad, Salman, Singh, Vivek, Diebo, Bassel, and Lafage, Virginie

Published
2022
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10. Health-related quality of life measures in adult spinal deformity: can we replace the SRS-22 with PROMIS?

Author

Passias, Peter G., Pierce, Katherine E., Krol, Oscar, Williamson, Tyler, Naessig, Sara, Ahmad, Waleed, Passfall, Lara, Tretiakov, Peter, Imbo, Bailey, Joujon-Roche, Rachel, Lebovic, Jordan, Owusu-Sarpong, Stephane, Moattari, Kevin, Kummer, Nicholas A., Maglaras, Constance, O’Connell, Brooke K., Diebo, Bassel G., Vira, Shaleen, Lafage, Renaud, Lafage, Virginie, Buckland, Aaron J., and Protopsaltis, Themistocles

Published
2022
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15. Improvement in some Ames-ISSG cervical deformity classification modifier grades may correlate with clinical improvement

Author

Horn, Samantha R., Passias, Peter G., Passfall, Lara, Lafage, Renaud, Smith, Justin S., Poorman, Gregory W., Steinmetz, Leah M., Bortz, Cole A., Segreto, Frank A., Diebo, Bassel, Hart, Robert, Burton, Douglas, Shaffrey, Christopher I., Sciubba, Daniel M., Klineberg, Eric O., Protopsaltis, Themistocles S., Schwab, Frank J., Bess, Shay, Lafage, Virginie, and Ames, Christopher

Published
2021
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17. The Clinical Impact of Failing to Achieve Ideal Proportional Realignment in Adult Spinal Deformity Patients

Author

Passias, Peter G., Passfall, Lara, Williamson, Tyler K., Schoenfeld, Andrew J., Owusu-Sarpong, Stephane, Dhillon, Ekamjeet, Krol, Oscar, Kummer, Nicholas A., Tretiakov, Peter, Imbo, Bailey, Joujon-Roche, Rachel, Moattari, Kevin, Lebovic, Jordan, Vira, Shaleen, Diebo, Bassel, Smith, Justin S., Park, Paul, Mummaneni, Praveen, Shabani, Saman, Chou, Dean, Lafage, Renaud, and Lafage, Virginie

Published
2022
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18. Comparing and Contrasting the Clinical Utility of Sagittal Spine Alignment Classification Frameworks: Roussouly vs. SRS-Schwab

Author

Passias, Peter G., Bortz, Cole, Pierce, Katherine E., Passfall, Lara, Kummer, Nicholas A., Krol, Oscar, Lafage, Renaud, Diebo, Bassel G., Lafage, Virginie, Ames, Christopher P., Burton, Douglas C., Gupta, Munish C., Sciubba, Daniel M., Schoenfeld, Andrew J., Bess, Shay, Hostin, Richard, Shaffrey, Christopher I., Line, Breton G., Klineberg, Eric O., Smith, Justin S., and Schwab, Frank J.

Published
2021
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21. Predictors of Complication Severity Following Adult Spinal Deformity Surgery: Smoking Rate, Diabetes, and Osteotomy Increase Risk of Severe Adverse Events

Author

Bortz, Cole A., Pierce, Katherine E., Krol, Oscar, Kummer, Nicholas, Passfall, Lara, Egers, Max, Oh, Cheongeun, Horn, Samantha R., Segreto, Frank A., Vasquez-Montes, Dennis, Frangella, Nicholas J., Buza, John A., Raman, Tina, Kuprys, Tomas, Lafage, Renaud, Jankowski, Pawel P., Hassanzadeh, Hamid, Vira, Shaleen N., Diebo, Bassel G., Gerling, Michael C., and Passias, Peter G.

Subjects
Orthopedics and Sports Medicine, Surgery, Lumbar Spine
Abstract

BACKGROUND: Given the physical and economic burden of complications in spine surgery, reducing the prevalence of perioperative adverse events is a primary concern of both patients and health care professionals. This study aims to identify specific perioperative factors predictive of developing varying grades of postoperative complications in adult spinal deformity (ASD) patients, as assessed by the Clavien-Dindo complication classification (Cc) system. METHODS: Surgical ASD patients ≥18 years were identified in the American College of Surgeons’ National Surgical Quality Improvement Program from 2005 to 2015. Postoperative complications were stratified by Cc grade severity: minor (I, II, and III) and severe (IV and V). Stepwise regression models generated dataset-specific predictive models for Cc groups. Model internal validation was achieved by bootstrapping and calculating the area under the curve (AUC) of the model. Significance was set at P < 0.05. RESULTS: Included were 3936 patients (59 ± 16 years, 63% women, 29 ± 7 kg/m(2)) undergoing surgery for ASD (4.4 ± 4.7 levels, 71% posterior approach, 11% anterior, and 18% combined). Overall, 1% of cases were revisions, 39% of procedures involved decompression, 27% osteotomy, and 15% iliac fixation. Additionally, 66% of patients experienced at least 1 complication, 0% of which were Cc grade I, 51% II, 5% III, 43% IV, and 1% V. The final model predicting severe Cc (IV–V) complications yielded an AUC of 75.6% and included male sex, diabetes, increased operative time, central nervous system tumor, osteotomy, cigarette pack-years, anterior decompression, and anterior lumbar interbody fusion. Final models predicting specific Cc grades were created. CONCLUSIONS: Specific predictors of adverse events following ASD-corrective surgery varied for complications of different severities. Multivariate modeling showed smoking rate, osteotomy, diabetes, anterior lumbar interbody fusion, and higher operative time, among other factors, as predictive of severe complications, as classified by the Clavien-Dindo Cc system. These factors can help in the identification of high-risk patients and, consequently, improve preoperative patient counseling. CLINICAL RELEVANCE: The findings of this study provide a foundation for identifying ASD patients at high risk of postoperative complications . LEVEL OF EVIDENCE: 4.

Published
2023

22. Natural history of adult spinal deformity: how do patients with suboptimal surgical outcomes fare relative to nonoperative counterparts?

Author

Passias, Peter G., primary, Joujon-Roche, Rachel, additional, Mir, Jamshaid M., additional, Williamson, Tyler K., additional, Tretiakov, Peter S., additional, Imbo, Bailey, additional, Krol, Oscar, additional, Passfall, Lara, additional, Ahmad, Salman, additional, Lebovic, Jordan, additional, Owusu-Sarpong, Stephane, additional, Lanre-Amos, Tomi, additional, Protopsaltis, Themistocles, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Park, Paul, additional, Chou, Dean, additional, Mummaneni, Praveen V., additional, Fu, Kai-Ming G., additional, Than, Khoi D., additional, Smith, Justin S., additional, Janjua, M. Burhan, additional, Schoenfeld, Andrew J., additional, Diebo, Bassel G., additional, and Vira, Shaleen, additional

Published
2023
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23. The impact of baseline cervical malalignment on the development of proximal junctional kyphosis following surgical correction of thoracolumbar adult spinal deformity.

Author

Passfall, Lara, Imbo, Bailey, Lafage, Virginie, Lafage, Renaud, Smith, Justin S., Line, Breton, Schoenfeld, Andrew J., Protopsaltis, Themistocles, Daniels, Alan H., Kebaish, Khaled M., Gum, Jeffrey L., Koller, Heiko, Hamilton, D. Kojo, Hostin, Richard, Gupta, Munish, Anand, Neel, Ames, Christopher P., Hart, Robert, Burton, Douglas, and Schwab, Frank J.

Published
2023
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24. Predictors of reoperation for spinal disorders in Chiari malformation patients with prior surgical decompression.

Author

Onafowokan, Oluwatobi, Das, Ankita, Mir, Jamshaid, Alas, Haddy, Williamson, Tyler, Mcfarland, Kimberly, Varghese, Jeffrey, Naessig, Sara, Imbo, Bailey, Passfall, Lara, Krol, Oscar, Tretiakov, Peter, Joujon-Roche, Rachel, Dave, Pooja, Moattari, Kevin, Owusu-Sarpong, Stephane, Lebovic, Jordan, Vira, Shaleen, Diebo, Bassel, and Lafage, Virginie

Subjects
ARNOLD-Chiari deformity, SURGICAL decompression, REOPERATION, IRON deficiency anemia, VENTRICULAR septal defects, FLUID pressure
Abstract

Background: Chiari malformation (CM) is a cluster of related developmental anomalies of the posterior fossa ranging from asymptomatic to fatal. Cranial and spinal decompression can help alleviate symptoms of increased cerebrospinal fluid pressure and correct spinal deformity. As surgical intervention for CM increases in frequency, understanding predictors of reoperation may help optimize neurosurgical planning. Materials and Methods: This was a retrospective analysis of the prospectively collected Healthcare Cost and Utilization Project's California State Inpatient Database years 2004–2011. Chiari malformation Types 1–4 (queried with ICD-9 CM codes) with associated spinal pathologies undergoing stand-alone spinal decompression (queried with ICD-9 CM procedure codes) were included. Cranial decompressions were excluded. Results: One thousand four hundred and forty-six patients (29.28 years, 55.6% of females) were included. Fifty-eight patients (4.01%) required reoperation (67 reoperations). Patients aged 40–50 years had the most reoperations (11); however, patients aged 15–20 years had a significantly higher reoperation rate than all other groups (15.5% vs. 8.2%, P = 0.048). Female gender was significantly associated with reoperation (67.2% vs. 55.6%, P = 0.006). Medical comorbidities associated with reoperation included chronic lung disease (19% vs. 6.9%, P < 0.001), iron deficiency anemia (10.3% vs. 4.1%, P = 0.024), and renal failure (3.4% vs. 0.9%, P = 0.05). Associated significant cluster anomalies included spina bifida (48.3% vs. 34.8%, P = 0.035), tethered cord syndrome (6.9% vs. 2.1%, P = 0.015), syringomyelia (12.1% vs. 5.9%, P = 0.054), hydrocephalus (37.9% vs. 17.7%, P < 0.001), scoliosis (13.8% vs. 6.4%, P = 0.028), and ventricular septal defect (6.9% vs. 2.3%, P = 0.026). Conclusions: Multiple medical and CM-specific comorbidities were associated with reoperation. Addressing them, where possible, may aid in improving CM surgery outcomes. [ABSTRACT FROM AUTHOR]

Published
2023
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25. External Validation of the National Surgical Quality Improvement Program Calculator Utilizing a Single Institutional Experience for Adult Spinal Deformity Corrective Surgery

Author

Naessig, Sara, primary, Pierce, Katherine, additional, Ahmad, Waleed, additional, Passfall, Lara, additional, Krol, Oscar, additional, Kummer, Nicholas A., additional, Williamson, Tyler, additional, Imbo, Bailey, additional, Tretiakov, Peter, additional, Moattari, Kevin, additional, Joujon-Roche, Rachel, additional, Zhong, Jack, additional, Balouch, Eaman, additional, O’Connell, Brooke, additional, Maglaras, Constance, additional, Diebo, Bassel, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Vira, Shaleen, additional, Hale, Steven, additional, Gerling, Michael, additional, Protopsaltis, Themistocles, additional, Buckland, Aaron, additional, and Passias, Peter G., additional

Published
2023
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26. Failure to Normalize Risk Profile of Spine Fusion Patients With Coronary Artery Disease Previously Treated With Percutaneous Stent Revascularization

Author

Ahmad, Waleed, primary, Bell, Joshua, additional, Krol, Oscar, additional, Passfall, Lara, additional, Kamalapathy, Pramod, additional, Imbo, Bailey, additional, Tretiakov, Peter, additional, Williamson, Tyler, additional, Joujon-Roche, Rachel, additional, Moattari, Kevin, additional, Kummer, Nicholas, additional, Vira, Shaleen, additional, Lafage, Virginie, additional, Paulino, Carl, additional, Schoenfeld, Andrew J., additional, Diebo, Bassel, additional, Hassanzadeh, Hamid, additional, and Passias, Peter, additional

Published
2023
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27. The Effects of Global Alignment and Proportionality Scores on Postoperative Outcomes After Adult Spinal Deformity Correction

Author

Passias, Peter G., primary, Krol, Oscar, additional, Owusu-Sarpong, Stephane, additional, Tretiakov, Peter, additional, Passfall, Lara, additional, Kummer, Nicholas, additional, Ani, Fares, additional, Imbo, Bailey, additional, Joujon-Roche, Rachel, additional, Williamson, Tyler K., additional, Sagoo, Navraj S., additional, Vira, Shaleen, additional, Schoenfeld, Andrew, additional, De la Garza Ramos, Rafael, additional, Janjua, Muhammad Burhan, additional, Sciubba, Daniel, additional, Diebo, Bassel G., additional, Paulino, Carl, additional, Smith, Justin, additional, Lafage, Renaud, additional, and Lafage, Virginie, additional

Published
2023
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28. The Impact of Osteoporosis on 2-Year Outcomes in Patients Undergoing Long Cervical Fusion

Author

Diebo, Bassel G., primary, Scheer, Ryan, additional, Rompala, Alexander, additional, Veenema, Ryne J., additional, Shah, Neil V., additional, Beyer, George A., additional, Celiker, Pelin, additional, Eldib, Hassan, additional, Passfall, Lara, additional, Krol, Oscar, additional, Dubner, Michael G., additional, Lafage, Renaud, additional, Challier, Vincent, additional, Passias, Peter G., additional, Schwab, Frank J., additional, Lafage, Virginie, additional, Daniels, Alan H., additional, and Paulino, Carl B., additional

Published
2023
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30. 220. An analysis of intraoperative neurophysiological monitoring events during single position minimally invasive spine surgery

Author

Imbo, Bailey, primary, Joujon-Roche, Rachel, additional, Krol, Oscar, additional, Tretiakov, Peter, additional, Williamson, Tyler, additional, McFarland, Kimberly, additional, Vira, Shaleen N., additional, Diebo, Bassel G., additional, Passias, Peter G., additional, Passfall, Lara, additional, Schoenfeld, Andrew J., additional, Moattari, Kevin, additional, and Uribe, Juan S., additional

Published
2022
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31. P63. Assessing the effects of prehabilitation protocols on postoperative outcomes in adult cervical deformity surgery: does early optimization lead to optimal clinical outcomes?

Author

Tretiakov, Peter, primary, Joujon-Roche, Rachel, additional, Imbo, Bailey, additional, Krol, Oscar, additional, Williamson, Tyler, additional, Passfall, Lara, additional, Lebovic, Jordan, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Janjua, Muhammad Burhan, additional, Smith, Justin S., additional, and Passias, Peter G, additional

Published
2022
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33. Do the newly proposed realignment targets for C2 and T1 slope bridge the gap between radiographic and clinical success in corrective surgery for adult cervical deformity?

Author

Passfall, Lara, primary, Williamson, Tyler K., additional, Krol, Oscar, additional, Lebovic, Jordan, additional, Imbo, Bailey, additional, Joujon-Roche, Rachel, additional, Tretiakov, Peter, additional, Dangas, Katerina, additional, Owusu-Sarpong, Stephane, additional, Koller, Heiko, additional, Schoenfeld, Andrew J., additional, Diebo, Bassel G., additional, Vira, Shaleen, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, and Passias, Peter G., additional

Published
2022
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34. P97. An analysis of the capabilities and utilization of artificial intelligence in adult spinal deformity surgery

Author

Passias, Peter G, primary, Imbo, Bailey, additional, Williamson, Tyler, additional, Krol, Oscar, additional, Joujon-Roche, Rachel, additional, Tretiakov, Peter, additional, Passfall, Lara, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Smith, Justin S., additional, and Daniels, Alan H, additional

Published
2022
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35. P53. Disparities in recovery and survival rates in cervical versus thoracolumbar spinal deformity patients are attributable to frailty status at presentation

Author

Passias, Peter G, primary, Tretiakov, Peter, additional, Imbo, Bailey, additional, Williamson, Tyler, additional, Krol, Oscar, additional, Passfall, Lara, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Lebovic, Jordan, additional, and Paulino, Carl B., additional

Published
2022
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36. P95. A comparative analysis of thoracic decompensation versus proximal junctional kyphosis in response to adult spinal deformity corrective surgery

Author

Imbo, Bailey, primary, Williamson, Tyler, additional, Krol, Oscar, additional, Joujon-Roche, Rachel, additional, Tretiakov, Peter, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Passias, Peter G, additional, Passfall, Lara, additional, Schoenfeld, Andrew J., additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Protopsaltis, Themistocles S, additional, Daniels, Alan H, additional, and Gum, Jeffrey L., additional

Published
2022
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37. P117. An evaluation of preoperative patient weight and body mass index during single-position minimally invasive spine surgery

Author

Passias, Peter G, primary, Imbo, Bailey, additional, Joujon-Roche, Rachel, additional, Krol, Oscar, additional, Tretiakov, Peter, additional, Williamson, Tyler, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Passfall, Lara, additional, Moattari, Kevin, additional, and Schoenfeld, Andrew J., additional

Published
2022
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38. 162. Predictors of a sustained clinical benefit following adult spinal deformity correction with a minimum 3-year follow-up

Author

Passias, Peter G., primary, Imbo, Bailey, additional, Williamson, Tyler, additional, Krol, Oscar, additional, Joujon-Roche, Rachel, additional, Tretiakov, Peter, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Mir, Jamshaid, additional, Passfall, Lara, additional, Moattari, Kevin, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Schoenfeld, Andrew J., additional, Paulino, Carl B, additional, and Daniels, Alan H, additional

Published
2022
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39. P85. Detailed risk factor stratification in adult spinal deformity corrective surgery: a 3-year cost utility analysis

Author

Williamson, Tyler, primary, Lebovic, Jordan, additional, Passias, Peter G., additional, Imbo, Bailey, additional, Tretiakov, Peter, additional, Joujon-Roche, Rachel, additional, Krol, Oscar, additional, Varghese, Jeffrey J., additional, Dhillon, Ekamjeet Singh, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Lafage, Renaud, additional, Janjua, Muhammad Burhan, additional, Passfall, Lara, additional, Moattari, Kevin, additional, Smith, Justin S., additional, Koller, Heiko, additional, Schoenfeld, Andrew J., additional, Owusu-Sarpong, Stephane, additional, and Lafage, Virginie, additional

Published
2022
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40. 163. Assessing the influence of modifiable patient-related factors on complication rates following adult spinal deformity surgery

Author

Passias, Peter G., primary, Williamson, Tyler, additional, Passfall, Lara, additional, Tretiakov, Peter, additional, Krol, Oscar, additional, Joujon-Roche, Rachel, additional, Imbo, Bailey, additional, Lebovic, Jordan, additional, Dhillon, Ekamjeet Singh, additional, Varghese, Jeffrey J, additional, Diebo, Bassel G., additional, Dave, Pooja, additional, Moattari, Kevin, additional, Vira, Shaleen N., additional, Lafage, Renaud, additional, Janjua, Muhammad Burhan, additional, Shabani, Saman, additional, Smith, Justin S., additional, Alan, Nima, additional, Owusu-Sarpong, Stephane, additional, Schoenfeld, Andrew J., additional, and Lafage, Virginie, additional

Published
2022
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41. 137. The impact of delayed surgical intervention for cervical deformity on patient recovery and cost effectiveness

Author

Imbo, Bailey, primary, Williamson, Tyler, additional, Krol, Oscar, additional, Joujon-Roche, Rachel, additional, Tretiakov, Peter, additional, Passfall, Lara, additional, Passias, Peter G., additional, Mir, Jamshaid, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Smith, Justin S., additional, Schoenfeld, Andrew J., additional, and Daniels, Alan H, additional

Published
2022
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43. P96. A parameter fixed to poor outcomes: a detailed analysis of high Pelvic incidence in adult spinal deformity surgery

Author

Passias, Peter G, primary, Williamson, Tyler, additional, Krol, Oscar, additional, Tretiakov, Peter, additional, Imbo, Bailey, additional, Joujon-Roche, Rachel, additional, Moattari, Kevin, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Dhillon, Ekamjeet Singh, additional, Varghese, Jeffrey J, additional, Passfall, Lara, additional, Owusu-Sarpong, Stephane, additional, Smith, Justin S., additional, Lafage, Renaud, additional, Schoenfeld, Andrew J., additional, and Lafage, Virginie, additional

Published
2022
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44. 219. Comparative analysis of prone lateral versus single position lateral decubitus positioning in achieving optimal outcomes and reducing complication rates in minimally invasive spine surgery

Author

Passias, Peter G, primary, Tretiakov, Peter, additional, Imbo, Bailey, additional, Krol, Oscar, additional, McFarland, Kimberly, additional, Williamson, Tyler, additional, Passfall, Lara, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Fessler, Richard G, additional, and Smith, Justin S., additional

Published
2022
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45. 145. Does preoperative rehabilitation for adult spinal deformity surgery improve patient recovery kinetics and cost effectiveness?

Author

Imbo, Bailey, primary, Williamson, Tyler, additional, Krol, Oscar, additional, Tretiakov, Peter, additional, Passfall, Lara, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, Passias, Peter G., additional, Dave, Pooja, additional, Schoenfeld, Andrew J., additional, Smith, Justin S., additional, Lafage, Renaud, additional, Lafage, Virginie, additional, and Daniels, Alan H, additional

Published
2022
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46. 141. Comparative analysis of utilization of artificial intelligence in minimally invasive adult spinal deformity surgery

Author

Passias, Peter G., primary, Tretiakov, Peter, additional, Williamson, Tyler, additional, Krol, Oscar, additional, Imbo, Bailey, additional, Joujon-Roche, Rachel, additional, McFarland, Kimberly, additional, Passfall, Lara, additional, Diebo, Bassel G., additional, Vira, Shaleen N., additional, and Smith, Justin S., additional

Published
2022
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48. Predicting 30-Day Perioperative Outcomes in Adult Spinal Deformity Patients With Baseline Paralysis or Functional Dependence

Author

Alas, Haddy, primary, Ihejirika, Rivka C., additional, Kummer, Nicholas, additional, Passfall, Lara, additional, Krol, Oscar, additional, Bortz, Cole, additional, Pierce, Katherine E., additional, Brown, Avery, additional, Vasquez-Montes, Dennis, additional, Diebo, Bassel G., additional, Paulino, Carl B., additional, Garza-Ramos, Rafael De La, additional, Janjua, Muhammad B., additional, Gerling, Michael C., additional, and Passias, Peter G., additional

Published
2022
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49. Cervical Deformity Correction Fails to Achieve Age-Adjusted Spinopelvic Alignment Targets

Author

Passias, Peter G., primary, Pierce, Katherine E., additional, Horn, Samantha R., additional, Segar, Anand, additional, Passfall, Lara, additional, Kummer, Nicholas, additional, Krol, Oscar, additional, Bortz, Cole, additional, Brown, Avery E., additional, Alas, Haddy, additional, Segreto, Frank A., additional, Ahmad, Waleed, additional, Naessig, Sara, additional, Buckland, Aaron J., additional, Protopsaltis, Themistocles S., additional, Gerling, Michael, additional, Lafage, Renaud, additional, Schwab, Frank J., additional, and Lafage, Virginie, additional

Published
2022
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50. Predicting development of severe clinically relevant distal junctional kyphosis following adult cervical deformity surgery, with further distinction from mild asymptomatic episodes

Author

Passias, Peter G., primary, Naessig, Sara, additional, Kummer, Nicholas, additional, Passfall, Lara, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Line, Breton, additional, Diebo, Bassel G., additional, Protopsaltis, Themistocles, additional, Kim, Han Jo, additional, Eastlack, Robert, additional, Soroceanu, Alex, additional, Klineberg, Eric O., additional, Hart, Robert A., additional, Burton, Douglas, additional, Bess, Shay, additional, Schwab, Frank, additional, Shaffrey, Christopher I., additional, Smith, Justin S., additional, and Ames, Christopher P., additional

Published
2022
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