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568 results on '"Polly, David W."'

1. Development of Consensus-Based Best Practice Guidelines for the Perioperative and Postoperative Care of Pediatric Patients With Spinal Deformity and Programmable Implanted Devices

Author

Truong, Walter H., Matsumoto, Hiroko, Brooks, Jaysson T., Guillaume, Tenner J., Andras, Lindsay M., Cahill, Patrick J., Fitzgerald, Ryan E., Li, Ying, Ramo, Brandon A., Soumekh, Benhoor, Blakemore, Laurel C., Carter, Christopher, Christie, Michelle R., Cortez, Daniel, Dimas, V. Vivian, Hardesty, Christina K., Javia, Luv R., Kennedy, Benjamin C., Kim, Peter D., Murphy, Robert F., Perra, Joseph H., Polly, David W., Jr, Sawyer, Jeffrey R., Snyder, Brian, Sponseller, Paul D., Sturm, Peter F., Yaszay, Burt, Feyma, Tim, and Morgan, Sara J.

Published
2024
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4. The Effect of Implant Density on Adolescent Idiopathic Scoliosis Fusion: Results of the Minimize Implants Maximize Outcomes Randomized Clinical Trial

Author

Larson, A. Noelle, Polly, David W., Sponseller, Paul D., Kelly, Michael P., Richards, B. Stephens, Garg, Sumeet, Parent, Stefan, Shah, Suken A., Weinstein, Stuart L., Crawford, Charles H., III, Sanders, James O., Blakemore, Laurel C., Oetgen, Matthew E., Fletcher, Nicholas D., Kremers, Walter K., Marks, Michelle C., Brearley, Ann M., Aubin, Carl-Eric, Sucato, Daniel J., Labelle, Hubert, Erickson, Mark A., Larson, A. Noelle, Polly, David W., Sponseller, Paul D., Kelly, Michael P., Richards, B. Stephens, Garg, Sumeet, Parent, Stefan, Shah, Suken A., Weinstein, Stuart L., Crawford, Charles H., Sanders, James O., Blakemore, Laurel C., Oetgen, Matthew E., Fletcher, Nicholas D., Marks, Michelle C., Aubin, Carl-Eric, Sucato, Daniel J., Labelle, Hubert, Erickson, Mark A., Glassman, Stephen D., Lenke, Lawrence G., McIntosh, Amy L., Carreon, Leah Y., Dolan, Lori A., Nuckley, David J., Luhmann, Scott, Karol, Lori, Rathjen, Karl, Johnston, Charles, Mac-Thiong, Jean-Marc, and Ramo, Brandon

Published
2024
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12. The Diagnostic Process of Spinal Post-traumatic Deformity: An Expert Survey of 7 Cases, Consensus on Clinical Relevance Does Exist

Author

De Gendt, Erin E.A., Benneker, Lorin M., Joaquim, Andrei F., El-Sharkawi, Mohammad, Dhakal, Gaurav R., Kandziora, Frank, Tee, Jin, Bransford, Richard J., Vialle, Emiliano N., Vaccaro, Alex R., Popescu, Eugen C., Kanna, Rishi M., Polly, David W., Schnake, Klaus J., Berjano, Pedro, Ryabykh, Sergey, Neva, Marko, Lamartina, Claudio, Rothenfluh, Dominique A., Lewis, Stephan J., Muijs, Sander P.J., and Oner, F. Cumhur

Published
2023
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13. Development of consensus-based best practice guidelines for response to intraoperative neuromonitoring events in high-risk spinal deformity surgery

Author

Lenke, Lawrence G., Fano, Adam N., Iyer, Rajiv R., Matsumoto, Hiroko, Sucato, Daniel J., Samdani, Amer F., Smith, Justin S., Gupta, Munish C., Kelly, Michael P., Kim, Han Jo, Sciubba, Daniel M., Cho, Samuel K., Polly, David W., Boachie-Adjei, Oheneba, Lewis, Stephen J., Angevine, Peter D., and Vitale, Michael G.

Published
2022
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14. Establishing consensus: determinants of high-risk and preventative strategies for neurological events in complex spinal deformity surgery

Author

Iyer, Rajiv R., Vitale, Michael G., Fano, Adam N., Matsumoto, Hiroko, Sucato, Daniel J., Samdani, Amer F., Smith, Justin S., Gupta, Munish C., Kelly, Michael P., Kim, Han Jo, Sciubba, Daniel M., Cho, Samuel K., Polly, David W., Boachie-Adjei, Oheneba, Angevine, Peter D., Lewis, Stephen J., and Lenke, Lawrence G.

Published
2022
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17. The Influence of Multilevel Spinal Deformity Surgery on the EuroQol 5 Dimensions' (EQ-5D) Questionnaire and Residential Status in the Elderly: A Prospective, Observational, Multicenter Study.

Author

Jentzsch, Thorsten, Lewis, Stephen J., Oitment, Colby, Rienmüller, Anna, Martin, Allan R., Nielsen, Christopher J., Shear-Yashuv, Hananel, de Kleuver, Marinus, Qiu, Yong, Matsuyama, Yukihiro, Lenke, Lawrence G., Alanay, Ahmet, Pellisé-Urquiza, Ferran, Cheung, Kenneth M. C., Spruit, Maarten, Polly, David W., Sembrano, Jonathan N., Shaffrey, Christopher I., Smith, Justin S., and Kelly, Michael P.

Subjects
SPINE abnormalities, OLDER patients, TREATMENT effectiveness, MEDICAL care, SCOLIOSIS, SPINAL surgery
Abstract

Study Design: Multicenter, international prospective study. Objective: This study investigated the clinical outcome up to 2 years after multi-level spinal deformity surgery in the elderly by reporting the minimal clinically important difference (MCID) of EuroQol 5-dimensions (EQ-5D), EQ-VAS, and residential status. Methods: As an ancillary study of 219 patients ≥60 years with spinal deformity undergoing primary instrumented fusion surgery of ≥5 levels, this study focuses on EQ-5D (3-L) as the primary outcome and EQ-VAS and residential status as secondary outcomes. Data on EQ-5D were compared between pre-operatively and postoperatively at 10 weeks, 12 months, and 24 months. An anchor-based approach was used to calculate the MCID. Results: The EQ-5D index and EQ-VAS, respectively, improved significantly at each time point compared to pre-operatively (from.53 (SD.21) and 55.6 (SD 23.0) pre-operatively to.64 (SD.18) and 65.8 (SD 18.7) at 10 weeks,.74 (SD.18) and 72.7 (SD 18.1) at 12 months, and.73 (SD.20) and 70.4 (SD 20.4) at 24 months). 217 (99.1%) patients lived at home pre-operatively, while 186 (88.6%), 184 (98.4%), and 172 (100%) did so at 10 weeks, 12 months, and 24 months, respectively. Our calculated MCID for the EQ-5D index at 1 year was.22 (95% CI.15-.29). Conclusions: The EQ-5D index significantly increased at each time point over 24 months after ≥5 level spinal deformity surgery in elderly patients. The MCID of the EQ-5D-3 L was.22. Patients living at home pre-operatively can expect to be able to live at home 2 years postoperatively. [ABSTRACT FROM AUTHOR]

Published
2024
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18. Stratifying outcome based on the Oswestry Disability Index for operative treatment of adult spinal deformity on patients 60 years of age or older: a multicenter, multi-continental study on Prospective Evaluation of Elderly Deformity Surgery (PEEDS)

Author

Nielsen, Christopher J., Lewis, Stephen J., Oitment, Colby, Martin, Allan R., Lenke, Lawrence G., Qiu, Yong, Cheung, Kenneth MC, de Kleuver, Marinus, Polly, David W., Shaffrey, Christopher I., Smith, Justin S., Spruit, Maarten, Alanay, Ahmet, Matsuyama, Yukihiro, Jentzsch, Thorsten, Rienmuller, Anna, Shear-Yashuv, Hananel, Pellisé, Ferran, Kelly, Michael P., Sembrano, Jonathan N., Dahl, Benny T., Berven, Sigurd H., and Forum Deformity, AO Spine Knowledge

Published
2021
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22. Best Practice Guidelines for Assessment and Management of Osteoporosis in Adult Patients Undergoing Elective Spinal Reconstruction

Author

Sardar, Zeeshan M., Coury, Josephine R., Cerpa, Meghan, DeWald, Christopher J., Ames, Christopher P., Shuhart, Christopher, Watkins, Colleen, Polly, David W., Dirschl, Douglas R., Klineberg, Eric O., Dimar, John R., Krohn, Kelly D., Kebaish, Khaled M., Tosi, Laura L., Kelly, Michael, Lane, Nancy E., Binkley, Neil C., Berven, Sigurd H., Lee, Nathan J., Anderson, Paul, Angevine, Peter D., Lehman, Ronald A., and Lenke, Lawrence G.

Published
2022
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25. High-Demand Spinal Deformity With Multi-Rod Constructs and Porous Fusion/Fixation Implants: A Finite Element Study.

Author

Panico, Matteo, Chande, Ruchi D., Lindsey, Derek P., Maria Tobia Villa, Tomaso, Yerby, Scott A., Brayda-Bruno, Marco, Bassani, Tito, Polly, David W., and Galbusera, Fabio

Subjects
SPINE abnormalities, SACROILIAC joint, RANGE of motion of joints, FINITE element method, OSTEOTOMY, SPONDYLOLYSIS
Abstract

Study Design: Basic science (finite element analysis). Objectives: Pedicle subtraction osteotomy (PSO) at L5 is an effective treatment for sagittal imbalance, especially in select cases of patients showing kyphosis with the apex at L4-L5 but has been scarcely investigated. The aim of this study was to simulate various "high-demand" instrumentation approaches, including varying numbers of rods and sacropelvic implants, for the stabilization of a PSO at L5. Methods: A finite element model of T10-pelvis was modified to simulate posterior fixation with pedicle screws and rods from T10 to S1, alone or in combination with an L5 PSO. Five additional configurations were then created by employing rods and novel porous fusion/fixation implants across the sacroiliac joints, in varying numbers. All models were loaded using pure moments of 7.5 Nm in flexion-extension, lateral bending, and axial rotation. Results: The osteotomy resulted in a general increase in motion and stresses in posterior rods and S1 pedicle screws. When the number of rods was varied, three- and four-rod configurations were effective in limiting the maximal rod stresses; values approached those of posterior fixation with no osteotomy. Maximum stresses in the accessory rods were similar to or less than those observed in the primary rods. Multiple sacropelvic implants were effective in reducing range of motion, particularly of the SIJ. Conclusions: Multi-rod constructs and sacropelvic fixation generally reduced maximal implant stresses and motion in comparison with standard posterior fixation, suggesting a reduced risk of rod breakage and increased joint stability, respectively, when a high-demand construct is utilized for the correction of sagittal imbalance. [ABSTRACT FROM AUTHOR]

Published
2024
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29. Cell Saver for Adult Spinal Deformity Surgery Reduces Cost

Author

Gum, Jeffrey L., Carreon, Leah Yacat, Kelly, Michael P., Hostin, Richard, Robinson, Chessie, Burton, Douglas C., Polly, David W., Shaffrey, Christopher I., LaFage, Virginie, Schwab, Frank J., Ames, Christopher P., Kim, Han Jo, Smith, Justin S., and Bess, R. Shay

Published
2017
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32. Treatment of an Impending Pathologic Sacral Fracture with a Novel Iliosacral Fusion Construct: A Case Report.

Author

Jacobs, Robert C. and Polly, David W.

Subjects
*SACRAL fractures, *PELVIS, *PELVIC pain, *MULTIPLE myeloma, *RADICULOPATHY, *SACROILIAC joint
Abstract

Case: A 49-year-old woman presented with left leg radiculopathy and posterior pelvic pain. Subsequent evaluation demonstrated metastatic multiple myeloma with an impending left S1 sacral fracture. Immediate posterior pelvic ring stabilization was recommended to prevent fracture and disruption of her oncologic recovery. This was performed percutaneously with computer-assisted navigation using a novel cannulated screw design. Conclusion: The patient was treated with prophylactic percutaneous posterior pelvic ring fixation with a novel cannulated screw design that provided a durable construct for immediate weight-bearing. The fixation prevented a pathologic fracture and allowed immediate return to activity. [ABSTRACT FROM AUTHOR]

Published
2024
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