Search Results - "Lewerenz, Erik"

P32. The impact of CSF leaks on 90-day reoperation rates for recurrent CSF leakage among adult spine deformity patients by Lewerenz, Erik, Hassan, Fthimnir, Lenke, Lawrence G.

“…A not-too-uncommon intraoperative complication in adult spinal deformity (ASD) surgery is a dural tear accompanied by cerebral spinal fluid (CSF) leakage. The…”
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Prospective Validation of the Spinal Cord Shape Classification System in the Prediction of Intraoperative Neuromonitoring Data Loss: Assessing the Risk of Spinal Cord Data Loss During Spinal Deformity Correction by Bakhsheshian, Joshua, Lenke, Lawrence G, Hassan, Fthimnir M, Lewerenz, Erik, Reyes, Justin L, Zuckerman, Scott L

“…The Spinal Cord Shape Classification System (SCSCS) class has been associated with spinal cord monitoring data loss during spinal deformity surgery. The…”
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116. Machine learning clustering of preoperative fitness and its prognostic value following adult spinal deformity correction by Mohanty, Sarthak, Hassan, Fthimnir, Lewerenz, Erik, Klarenbeek-Micthell, LaRae, Ruderman, David, Schaum, Eric, Lombardi, Joseph, Sardar, Zeeshan, Lehman, Ronald A., Lenke, Lawrence G.

“…Preoperative rehabilitation preceding adult spinal deformity (ASD) correction is associated with less postoperative disability. The impact of preoperative…”
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P101. Proximal junctional kyphosis (PJK) and pseudoarthrosis are the most common reasons for reoperation following adult deformity surgery: which has worse outcomes? by Mohanty, Sarthak, Platt, Andrew, Lombardi, Joseph, Morrissette, Cole, Hassan, Fthimnir, Lewerenz, Erik, Mikhail, Christopher, Stephan, Stephen, Bakhsheshian, Joshua, Sardar, Zeeshan, Lehman, Ronald A., Lenke, Lawrence

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28. Accurate scoring system predicts cord-level intraoperative neuromonitoring loss during spinal deformity surgery: a machine learning algorithm by Lee, Nathan John, Lenke, Lawrence G., Arvind, Varun, shi, Ted, Dionne, Alexandra, Nnake, Chidebelum, Lewerenz, Erik, Reyes, Justin, Roth, Steven Gregory, Hung, Chun Wai, Scheer, Justin K., Lombardi, Joseph, Sardar, Zeeshan, Lehman, Ronald A., Hassan, Fthimnir

“…An accurate knowledge of a patient's risk for IONM cord-level loss prior to deformity correction is important for the informed decision-making process, but no…”
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P148. Normative alignment goals using machine learning finds the sweet spot between pseudarthrosis and proximal junctional kyphosis in adult spinal deformity by Mohanty, Sarthak, Sardar, Zeeshan, Reyes, Justin, Coury, Josephine Rose, Hassan, Fthimnir, Lewerenz, Erik, Lee, Nathan John, Hung, Chun Wai, Lombardi, Joseph, Scheer, Justin K., Roth, Steven Gregory, Lehman, Ronald A., Lenke, Lawrence G.

“…Traditional age-adjusted spinopelvic alignment formulas risk under-correction in adult spinal deformity (ASD) patients. Leveraging machine learning, this study…”
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31. Can the recovery of root-level intraoperative neuromonitoring data result in a lower risk for postoperative lower extremity weakness in spine deformity surgery? by Lee, Nathan John, Hassan, Fthimnir, Dionne, Alexandra, Nnake, Chidebelum, shi, Ted, Arvind, Varun, Lewerenz, Erik, Reyes, Justin, Roth, Steven Gregory, Hung, Chun Wai, Scheer, Justin K., Lombardi, Joseph, Sardar, Zeeshan, Lehman, Ronald A., Lenke, Lawrence G.

“…Intraoperative neuromonitoring (IONM) is commonly used in spinal deformity surgery to reduce the risk for neurologic injury. Spinal cord data loss has been…”
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1. Does an improvement in intraoperative neuromonitoring cord data indicate a reduced risk for postoperative deficit in spine deformity surgery? by Lee, Nathan John, Hassan, Fthimnir, Dionne, Alexandra, Nnake, Chidebelum, Shi, Ted, Arvind, Varun, Lewerenz, Erik, Reyes, Justin, Roth, Steven Gregory, Hung, Chun Wai, Scheer, Justin K., Lombardi, Joseph, Sardar, Zeeshan, Lehman, Ronald A., Lenke, Lawrence G.

“…Multimodal intraoperative neuromonitoring (IONM) is a standard adjunct for spinal deformity surgery. The incidence and timing of IONM loss and protocols to…”
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P16. Early reoperations do not adversely affect long term pain and activity scores in adult spinal deformity patients by Mohanty, Sarthak, Coury, Josephine Rose, Hassan, Fthimnir, Lee, Nathan John, Scheer, Justin K., Hung, Chun Wai, Roth, Steven Gregory, Lewerenz, Erik, Lombardi, Joseph, Sardar, Zeeshan, Lehman, Ronald A., Lenke, Lawrence G.

“…Surgery for adult spinal deformity (ASD) is associated with a high rate of complications and subsequent reoperations. The influence of early, successfully…”
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P139. Does normalizing T4-L1 pelvic angle relationship in long-segment fusions independently reduce mechanical complications and improve patient reported outcomes? by Mohanty, Sarthak, Sardar, Zeeshan, Kelly, Michael P., Reyes, Justin, Hassan, Fthimnir, Coury, Josephine Rose, Lewerenz, Erik, Scheer, Justin K., Lee, Nathan John, Hung, Chun Wai, Roth, Steven Gregory, Lombardi, Joseph, Lehman, Ronald A., Lenke, Lawrence G.

“…Studies in asymptomatic adults have highlighted a harmonious T4 Pelvic Angle(T4PA), L1 Pelvic Angle(L1PA) relationship, characterized by a T4PA within four…”
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Adult spinal deformity patients revised for pseudarthrosis have comparable two-year outcomes to those not undergoing any revision surgery by Mohanty, Sarthak, Hassan, Fthimnir M., Platt, Andrew, Stephan, Stephen, Lewerenz, Erik, Lombardi, Joseph M., Sardar, Zeeshan M., Lehman, Ronald A., Lenke, Lawrence G.

“…Purpose This study aimed to evaluate whether adult spinal deformity patients undergoing revision for symptomatic pseudarthrosis have comparable two-year…”
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30. Posterior column osteotomies and not lumbar decompressions alone improve lower extremity motor strength in adult spinal deformity patients with preoperative motor impairment by Hassan, Fthimnir, Lenke, Lawrence G., Lewerenz, Erik, Passias, Peter Gust, Klineberg, Eric O., Lafage, Virginie, Bess, Shay, Smith, Justin S., Hamilton, D. Kojo, Gum, Jeffrey L., Lafage, Renaud, Mullin, Jeffrey P, Kelly, Michael P., Diebo, Bassel G., Buell, Thomas J, Scheer, Justin K., Line, Breton, Kim, Han Jo, Kebaish, Khaled M., Eastlack, Robert K., Daniels, Alan H, Soroceanu, Alexandra, Mundis, Gregory M., Hostin, Richard A., Protopsaltis, Themistocles Stavros, Gupta, Munish C, Schwab, Frank J., Shaffrey, Christopher I., Ames, Christopher P., Burton, Douglas C.

“…Lumbar decompressions are traditionally done to alleviate compressed nerves among adult spinal deformity (ASD) patients with lower extremity (LE) weakness…”
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153. Machine learning generates phenotypes of ASD patients: classification with 2-year prognostic value by Mohanty, Sarthak, Hassan, Fthimnir, Lenke, Lawrence, Lewerenz, Erik, Smith, Justin, Bess, Shay, Buell, Thomas, Scheer, Justin, Line, Breton, Lafage, Virginie, Lafage, Renaud, Klineberg, Eric, Kim, Han Jo, Passias, Peter, Gum, Jeffrey, Kebaish, Khaled, Eastlack, Robert, Daniels, Alan, Soroceanu, Alexandra, Mundis, Gregory, Hostin, Richard, Protopsaltis, Themistocles, Hamilton, D. Kojo, Kelly, Michael, Gupta, Munish, Schwab, Frank J., Shaffrey, Christopher I., Ames, Christopher P., Burton, Douglas C.

“…Adult spinal deformity (ASD) patients (pts) are heterogenous, limiting comparisons in research & clinical practice. We define novel phenotypes based on…”
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Machine learning clustering of adult spinal deformity patients identifies four prognostic phenotypes: a multicenter prospective cohort analysis with single surgeon external validation by Mohanty, Sarthak, Hassan, Fthimnir M, Lenke, Lawrence G, Lewerenz, Erik, Passias, Peter G, Klineberg, Eric O, Lafage, Virginie, Smith, Justin S, Hamilton, D Kojo, Gum, Jeffrey L, Lafage, Renaud, Mullin, Jeffrey, Diebo, Bassel, Buell, Thomas J, Kim, Han Jo, Kebaish, Khalid, Eastlack, Robert, Daniels, Alan H, Mundis, Gregory, Hostin, Richard, Protopsaltis, Themistocles S, Hart, Robert A, Gupta, Munish, Schwab, Frank J, Shaffrey, Christopher I, Ames, Christopher P, Burton, Douglas, Bess, Shay

“…Among adult spinal deformity (ASD) patients, heterogeneity in patient pathology, surgical expectations, baseline impairments, and frailty complicates…”
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Revision of Harrington rod constructs: a single-center's experience with this homogenous adult spinal deformity population at a minimum 2-year follow-up by Stephan, Stephen R, Hassan, Fthimnir M, Mikhail, Christopher, Platt, Andrew, Lewerenz, Erik, Lombardi, Joseph M, Sardar, Zeeshan M, Lehman, Ronald A, Lenke, Lawrence G

“…To evaluate radiographic and clinical outcomes following revision surgery after HRC fusions. Single-institution, retrospective study of patients revised…”
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