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53. P102. Quantifying the impact of spinal shape: incorporating Roussouly criteria into novel alignment schemata increases probability of optimal radiographic alignment in adult spinal deformity surgery

Author

Tretiakov, Peter, primary, Dave, Pooja, additional, Mir, Jamshaid, additional, Diebo, Bassel, additional, Jankowski, Pawel, additional, Protopsaltis, Themistocles, additional, Budis, Emmanuel, additional, Vira, Shaleen, additional, and Passias, Peter, additional

Published
2023
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54. P25. Investigating the impact of Enhanced Recovery After Surgery (ERAS) program on postoperative course in adult cervical deformity patients

Author

Tretiakov, Peter, primary, Joujon-Roche, Rachel, additional, Imbo, Bailey, additional, Williamson, Tyler, additional, Krol, Oscar, additional, Lebovic, Jordan, additional, Dave, Pooja, additional, Mir, Jamshaid, additional, Diebo, Bassel, additional, Vira, Shaleen, additional, Schoenfeld, Andrew, additional, and Passias, Peter, additional

Published
2023
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55. 80. Assessing the impact of radiographic realignment on adult spinal deformity patients with sacroiliac joint pain at presentation

Author

Tretiakov, Peter, primary, Mir, Jamshaid, additional, Owusu-Sarpong, Stephane, additional, Jankowski, Pawel, additional, Das, Ankita, additional, Vira, Shaleen, additional, Protopsaltis, Themistocles, additional, Onafowokan, Oluwatobi, additional, Lorentz, Nathan, additional, Galetta, Matthew, additional, Lebovic, Jordan, additional, and Passias, Peter, additional

Published
2023
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58. Body mass index predicts risk of complications in lumbar spine surgery based on surgical invasiveness

Author

Bono, Olivia J., Poorman, Gregory W., Foster, Norah, Jalai, Cyrus M., Horn, Samantha R., Oren, Jonathan, Soroceanu, Alexandra, Ramachandran, Subaraman, Purvis, Taylor E., Jain, Deeptee, Vira, Shaleen, Diebo, Bassel G., Line, Breton, Sciubba, Daniel M., Protopsaltis, Themistocles S., Buckland, Aaron J., Errico, Thomas J., Lafage, Virginie, Bess, Shay, and Passias, Peter G.

Published
2018
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59. Full-Body Analysis of Adult Spinal Deformity Patients' Age-Adjusted Alignment at 1 Year

Author

Passias, Peter G., Horn, Samantha R., Frangella, Nicholas J., Poorman, Gregory W., Vasquez-Montes, Dennis, Diebo, Bassel G., Bortz, Cole A., Segreto, Frank A., Moon, John Y., Zhou, Peter L., Vira, Shaleen, Sure, Akhila, Beaubrun, Bryan, Tishelman, Jared C., Ramchandran, Subaraman, Jalai, Cyrus M., Bronson, Wesley, Wang, Charles, Lafage, Virginie, Buckland, Aaron J., and Errico, Thomas J.

Published
2018
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60. Traumatic Fractures of the Cervical Spine: Analysis of Changes in Incidence, Cause, Concurrent Injuries, and Complications Among 488,262 Patients from 2005 to 2013

Author

Passias, Peter G., Poorman, Gregory W., Segreto, Frank A., Jalai, Cyrus M., Horn, Samantha R., Bortz, Cole A., Vasquez-Montes, Dennis, Diebo, Bassel G., Vira, Shaleen, Bono, Olivia J., De La Garza-Ramos, Rafael, Moon, John Y., Wang, Charles, Hirsch, Brandon P., Zhou, Peter L., Gerling, Michael, Koller, Heiko, and Lafage, Virginie

Published
2018
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64. Prior bariatric surgery lowers complication rates following spine surgery in obese patients

Author

Passias, Peter G., Horn, Samantha R., Vasquez-Montes, Dennis, Shepard, Nicholas, Segreto, Frank A., Bortz, Cole A., Poorman, Gregory W., Jalai, Cyrus M., Wang, Charles, Stekas, Nicholas, Frangella, Nicholas J., Deflorimonte, Chloe, Diebo, Bassel G., Raad, Micheal, Vira, Shaleen, Horowitz, Jason A., Sciubba, Daniel M., Hassanzadeh, Hamid, Lafage, Renaud, Afthinos, John, and Lafage, Virginie

Published
2018
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65. 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
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69. Bariatric Surgery Population at Significantly Increased Risk of Spinal Disorders and Surgical Intervention Compared With Morbidly Obese Patients

Author

Passias, Peter G., Horn, Samantha R., Ihejirika, Yael U., Vasques-Montes, Dennis, Segreto, Frank A., Bortz, Cole A., Brown, Avery E., Pierce, Katherine E., Alas, Haddy, Poorman, Gregory W., Jalai, Cyrus M., Wang, Charles, Buza, John A., III, Steinmetz, Leah, Varlotta, Christopher G., Vira, Shaleen, Diebo, Bassel G., Hassanzadeh, Hamid, Lafage, Renaud, and Lafage, Virginie

Published
2020
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71. Concurrent Presence of Thoracolumbar Scoliosis and Chiari Malformation: Is Operative Risk Magnified?

Author

Naessig, Sara, primary, Tretiakov, Peter, additional, Patel, Karan, additional, Ahmad, Waleed, additional, Pierce, Katherine, additional, Kummer, Nicholas, additional, Joujon-Roche, Rachel, additional, Imbo, Bailey, additional, Williamson, Tyler, additional, Krol, Oscar, additional, Janjua, Muhammad Burhan, additional, Vira, Shaleen, additional, Diebo, Bassel, additional, Sciubba, Daniel, additional, and Passias, Peter, additional

Published
2023
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72. Costs of Surgery in Adult Spinal Deformity

Author

Joujon-Roche, Rachel, primary, Dave, Pooja, additional, Tretiakov, Peter, additional, Mcfarland, Kimberly, additional, Mir, Jamshaid, additional, Williamson, Tyler K., additional, Imbo, Bailey, additional, Krol, Oscar, additional, Lebovic, Jordan, additional, Schoenfeld, Andrew J, additional, Vira, Shaleen, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, and Passias, Peter G., additional

Published
2023
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73. 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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75. A Hierarchical Approach to Realignment Strategies in Adult Cervical Deformity Surgery

Author

Williamson, Tyler K., primary, Lebovic, Jordan, additional, Schoenfeld, Andrew J., additional, Imbo, Bailey, additional, Joujon-Roche, Rachel, additional, Tretiakov, Peter, additional, Krol, Oscar, additional, Bennett-Caso, Claudia, additional, Owusu-Sarpong, Stephane, additional, Dave, Pooja, additional, McFarland, Kimberly, additional, Mir, Jamshaid, additional, Dhillon, Ekamjeet, additional, Koller, Heiko, additional, Diebo, Bassel G., additional, Vira, Shaleen, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, and Passias, Peter G., additional

Published
2023
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80. Congenital Etiology Is an Independent Risk Factor for Complications in Adolescents Undergoing Corrective Scoliosis Surgery: Comparison of In-hospital Comorbidities Using Nationwide KID’s Inpatient Database

Author

Poorman, Gregory W., Jalai, Cyrus M., Diebo, Bassel, Vira, Shaleen, Buza, John, Baker, Joe, Tishelman, Jared, Horn, Samantha, Bono, Olivia, Shenoy, Kartik, Hasan, Saqib, Paul, Justin, Isaacs, Evan, Kaye, Ian, Atanda, Abiola, Buckland, Aaron J., LaFage, Virginie, Errico, Thomas, and Passias, Peter G.

Published
2019
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81. Incidence of Congenital Spinal Abnormalities Among Pediatric Patients and Their Association With Scoliosis and Systemic Anomalies

Author

Passias, Peter G., Poorman, Gregory W., Jalai, Cyrus M., Diebo, Bassel G., Vira, Shaleen, Horn, Samantha R., Baker, Joseph F., Shenoy, Kartik, Hasan, Saqib, Buza, John, Bronson, Wesley, Paul, Justin C., Kaye, Ian, Foster, Norah A., Cassilly, Ryan T., Oren, Jonathan H., Moskovich, Ronald, Line, Breton, Oh, Cheongeun, Bess, Shay, LaFage, Virginie, and Errico, Thomas J.

Published
2019
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82. 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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83. 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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84. 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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85. 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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87. Clinical Outcomes of Coccygectomy for Coccydynia: A Single Institution Series With Mean 5-Year Follow-Up

Author

Mulpuri, Neha, Reddy, Nisha, Larsen, Kylan, Patel, Ankit, Diebo, Bassel G., Passias, Peter, Tappen, Lori, Gill, Kevin, and Vira, Shaleen

Subjects
Complications, Orthopedics and Sports Medicine, Surgery
Abstract

BACKGROUND: Prior studies of coccygectomy consist of small patient groups, heterogeneous techniques, and high wound complication rates (up to 22%). This study investigates our institution’s experience with coccygectomy using a novel “off-center” wound closure technique and analyzes prognostic factors for long-term successful clinical outcomes. METHODS: Retrospective review of all patients who underwent coccygectomy from 2006 to 2019 at a single center. Demographics, mechanism of injury, conservative management, morphology (Postacchini and Massobrio), and postoperative complications were collected. Preoperative and postoperative Oswestry Disability Index (ODI), visual analog scale (VAS), Patient-Reported Outcomes Measurement Information System-29 (PROMIS-29), and EuroQol-5D (EQ-5D) were compared. Risk factors for failing to meet minimum clinically importance difference for ODI and PROMIS-physical function/pain interference were identified. Risk factors for remaining disabled after surgery (ODI 20) and history of prior spine surgery, trauma etiology, and women had inferior outcomes. No history of spine surgery (cervical, thoracic, or lumbar) prior to coccygectomy was found to predict improved postoperative VAS back scores. No outcome differences were demonstrated among the coccyx morphologies. Sixteen patients (9.25%) were noted to have postoperative infections of the incision site with no difference in long-term outcomes (all P

Published
2022
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89. Validation of the ACS-NSQIP Risk Calculator: A Machine-Learning Risk Tool for Predicting Complications and Mortality Following Adult Spinal Deformity Corrective Surgery

Author

Pierce, Katherine E., Kapadia, Bhaveen H., Naessig, Sara, Ahmad, Waleed, Vira, Shaleen, Paulino, Carl, Gerling, Michael, and Passias, Peter G.

Subjects
Complications, Orthopedics and Sports Medicine, Surgery
Abstract

OBJECTIVE: To calculate the risk for postoperative complications and mortality after corrective surgery of adult spinal deformity (ASD) patients using the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) surgical risk calculator (SRC). METHODS: Patients aged ≥18 years undergoing corrective surgery for ASD were identified. Current procedural terminology (CPT) codes of 22800, 22802, 22804, 22808, 22801, 22812, 22818, 22819, 22843, 22844, 22846, 22847, 22842, and 22845 were assessed if the patient had an International Classification of Diseases Ninth Revision (ICD-9) scoliosis diagnosis (737.00–737.9). Calculated perioperative complication risk averages via the ACS-NSQIP surgical calculator were compared with observed complication rates. Outcomes assessed were as follows: serious complication, any complication, pneumonia, cardiac complication, surgical site infection, urinary tract infection, venous thromboembolism, renal failure, readmission, return to operating room, death, discharge to nursing or rehabilitation, sepsis, and total length of hospital stay. Predictive performance of the calculator was analyzed by computation of the Brier score. A Brier score is the sum of squared differences between the binary outcome and the predicted risk and ranges from 0 to a maximum Brier score = (mean observed outcome)*(1-[mean observed outcome]). Values closer to 0 are suggestive of better predictive performance. Length of stay (LOS) was assessed with a Bland-Altman plot, which plots the average of observed LOS on the x axis and the difference between the observed and predicted LOS on the y axis. RESULTS: A total of 9143 ASD patients (58.9 years, 56% females, 29.2 kg/m(2)) were identified; 36.9% of procedures involved decompression and 100% involved fusion. The means for individual patient characteristics entered into the online risk calculator interface were as follows: functional status (independent: 94.9%, partially dependent: 4.4%, totally dependent: 0.70%), 1.6% emergent cases, wound class (clean: 94.7%, clean/contaminated: 0.8%, contaminated: 0.5%, dirty/infected: 1.4%), American Society of Anesthesiologists class (I: 2.7%, II: 40.7%, III: 52.1%, IV: 4.6%, V: 0%), 5.1% steroid use for chronic condition, 0.04% ascites within 30 days prior to surgery, 1.73% systemic sepsis within 48 hours of surgery, 0.40% ventilator dependent, 3.2% disseminated cancer, 15.6% diabetes mellitus, 52.8% use of hypertensive medications, 0.3% congestive heart failure , 3% dyspnea, 21.4% history of smoking within 1 year, 4.3% chronic obstructive pulmonary disease, 0.7% dialysis, and 0.1% acute renal failure. Predictive of any 30-day postoperative complications ranged from 2.8 to 18.5% across CPT codes, where the actual rate in the cohort was 11.4%, and demonstrated good predictive performance via Brier score (0.000002, maximum: 0.101). The predicted and observed percentages for each of the 13 outcomes were assessed and their associated Brier scores and Brier maximums were calculated. Mean difference between observed and predicted LOS was 2.375 days (95% CI 9.895–5.145). CONCLUSIONS: The ACS-NSQIP SRC predicts surgical risk in patients undergoing ASD corrective surgery. This tool can be used as a resource in preoperative optimization by deformity surgeons. LEVEL OF EVIDENCE: 3.

Published
2021
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90. Should Global Realignment Be Tailored to Frailty Status for Patients Undergoing Surgical Intervention for Adult Spinal Deformity?

Author

Passias, Peter G., primary, Williamson, Tyler K., additional, Krol, Oscar, additional, Tretiakov, Peter, additional, Joujon-Roche, Rachel, additional, Imbo, Bailey, additional, Ahmad, Salman, additional, Bennett-Caso, Claudia, additional, Owusu-Sarpong, Stephane, additional, Lebovic, Jordan, additional, Robertson, Djani, additional, Vira, Shaleen, additional, Dhillon, Ekamjeet, additional, Schoenfeld, Andrew J., additional, Janjua, M. Burhan, additional, Raman, Tina, additional, Protopsaltis, Themistocles, additional, Maglaras, Constance, additional, O’Connell, Brooke, additional, Daniels, Alan H., additional, Paulino, Carl, additional, Diebo, Bassel G., additional, Smith, Justin S., additional, Schwab, Frank J., additional, Lafage, Renaud, additional, and Lafage, Virginie, additional

Published
2022
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91. An Economic Analysis of Early and Late Complications After Adult Spinal Deformity Correction

Author

Williamson, Tyler K., primary, Owusu-Sarpong, Stephane, additional, Imbo, Bailey, additional, Krol, Oscar, additional, Tretiakov, Peter, additional, Joujon-Roche, Rachel, additional, Ahmad, Salman, additional, Bennett-Caso, Claudia, additional, Schoenfeld, Andrew J., additional, Lebovic, Jordan, additional, Vira, Shaleen, additional, Diebo, Bassel, additional, Lafage, Renaud, additional, Lafage, Virginie, additional, and Passias, Peter G., additional

Published
2022
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92. P110. Should age adjusted realignment goals vary based on patient frailty status in adult spinal deformity?

Author

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

Published
2022
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93. P112. The effect of preoperative rehabilitation on adult spinal deformity patient outcomes

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, Schoenfeld, Andrew J., additional, Lafage, Renaud, additional, Lafage, Virginie, additional, Smith, Justin S., additional, and Daniels, Alan H, additional

Published
2022
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94. 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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95. 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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96. 14. Despite a multifactorial etiology, rates of distal junctional kyphosis after adult cervical deformity corrective surgery can be dramatically diminished by optimizing age-specific radiographic improvement

Author

Passias, Peter G., primary, Krol, Oscar, additional, Tretiakov, Peter, additional, Dave, Pooja, additional, Williamson, Tyler, additional, Joujon-Roche, Rachel, additional, Imbo, Bailey, additional, Owusu-Sarpong, Stephane, additional, and Vira, Shaleen N., additional

Published
2022
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98. 117. Predictive analysis of risk factors and clinical outcomes of delayed extubation in adult spinal deformity surgery

Author

Tretiakov, Peter, primary, Imbo, Bailey, additional, Williamson, Tyler, additional, Krol, Oscar, additional, Joujon-Roche, Rachel, additional, Mir, Jamshaid, additional, Diebo, Bassel G., additional, Lebovic, Jordan, additional, Vira, Shaleen N., additional, Lafage, Renaud, additional, Smith, Justin S., additional, Lafage, Virginie, additional, and Passias, Peter G., additional

Published
2022
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100. 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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