Dr. Cha is a board certified, fellowship trainied orthopedic surgeon specializing in spine surgery. He is an Associate Professor of Orthopaedic Surgery at the Sidney Kimmel Medical College of Thomas Jefferson University.
Dr. Cha graduated from Princeton University with a BA in Molecular Biology. He received his medical degree from Drexel University College of Medicine while also obtaining a Masters in Business Administration from the Lebow School of Business at Drexel. He went on to complete his residency in orthopedic surgery at the Columbia University Medical Center in New York. He subsequently completed a fellowship at the Rush University Medical Center in Chicago.
Dr. Cha maintains a full clinical practice and an active academic and teaching schedule. Prior to joining Rothman Orthopaedics, he led a minimally invasive spine practice at Massachusetts General Hospital in Boston and served as Director of the Spinal Surgery Fellowship of the Harvard Combined Program.
He has presented lectures nationally and internationally and is the author of over 100 scientific articles and several textbook chapters. He has an active interest in basic science research focusing on biomechanics of the spine and patient outcomes research with his research funded by prestigious grants from the Orthopaedic Research and Education Foundation, the National Institutes of Health and Patient-Centered Outcomes Research Institute (PCORI).
Dr. Cha performs both routine and complex surgical procedures on the cervical, thoracic and lumbar spine. He is honored to return to the tri state region to offer patients at Rothman Orthopaedics individualized treatment plans with the most up to date surgical techniques.
Professional Profile
Education
- Fellowship, Orthopedic Spine Surgery, Rush University Medical Center, Chicago, IL
- Residency, Orthopaedic Surgery, NY Presbyterian Hospital – Columbia, New York, NY
- Internship, General Surgery, NY Presbyterian Hospital – Columbia, New York, NY
- MD, Drexel University College of Medicine, Philadelphia, PA
- MBA, Business Administration, Drexel University, Philadelphia, PA
- BA, Molecular Biology, Princeton University, Princeton, NJ
Titles & Certifications
- Board Certified, American Board of Orthopaedic Surgery
Professional Associations
- North American Spine Society
- Korean American Spine Society
- Society of Lateral Access Surgery
- Cervical Spine Research Society
Education
- Fellowship, Orthopedic Spine Surgery, Rush University Medical Center, Chicago, IL
- Residency, Orthopaedic Surgery, NY Presbyterian Hospital – Columbia, New York, NY
- Internship, General Surgery, NY Presbyterian Hospital – Columbia, New York, NY
- MD, Drexel University College of Medicine, Philadelphia, PA
- MBA, Business Administration, Drexel University, Philadelphia, PA
- BA, Molecular Biology, Princeton University, Princeton, NJ
Titles & Certifications
- Board Certified, American Board of Orthopaedic Surgery
Professional Associations
- North American Spine Society
- Korean American Spine Society
- Society of Lateral Access Surgery
- Cervical Spine Research Society
More Information
Educational Lectures
Publications, peer reviewed:
1. Su BW, Cha TD, Kim PD, Lee J, April EW, Weidenbaum M, Albert TJ, Vaccaro AR. An anatomic and radiographic study of lumbar facets relevant to percutaneous transfacet fixation. Spine. 34(11) E384-390, 2009.
2. Su BW, Kim PD, Cha TD, Lee J, April EW, Lee FY, Weidenbaum M, Vaccaro AR. An anatomical study of the mid-lateral pars relative to the pedicle footprint in the lower lumbar spine. Spine. 34(13), 1355-1362, 2009.
3. Khan SN, Cha TD, Hoskins JA, Pelton M, Singh K. Minimally invasive thoracolumbar corpectomy and reconstruction. Orthopedics. 35(1). 74-79. 2012.
4. Cha TD, An HS. Cervical spine manifestations in patients with inflammatory arthritides. Nature Reviews Rheumatology. 5(4). 2013.
5. Singh K, Nandyala SV, Marquez-Lara A, Cha TD, Khan SN, Fineberg SJ, Pelton MA. Clinical sequelae after rhBMP-2 use in a minimally invasive transforaminal lumbar interbody fusion. Spine J. 2013 Sep;13(9):1118-1125.
6. Wang S, Park WM, Kim YH, Cha TD, Wood KB, Li G. In vivo loads in the lumbar L3-4 disc during a weight lifting extension. Clinical Biomech, Epub, Dec 4, 2013.
7. Ploumis A, Simpson AK, Cha TD, Herzog JP & Wood KB. Coronal spinal balance in adult spine deformity patients with long spinal fusions: a minimum 2 to 5-year follow-up study. J Spinal Dis & Tech, 341-347. 2013.
8. Singh K, Nandyala SV, Marquez-Lara A, Cha TD, Khan SN, Fineberg SJ, Pelton MA. Clinical sequelae after rhBMP-2 use in a minimally invasive transforaminal lumbar interbody fusion. Spine J. 13(9), pp 1118-1125. 2013.
9. Dazley JM, Cha TD, Harris MB, Bono CM. Closing the loop between evidence-based medicine and care delivery: a possible role for clinical audits in spinal surgery. Spine J. S 1529. 2013.
10. Menendez ME, Neuhaus V, Bot AG, Ring D, Cha TD. Psychiatric disorders and major spine surgery: epidemiology and perioperative outcomes. Spine (Phila Pa 1976). 2014 Jan 15;39(2):E111
11. Bedair H, Cha TD, Hansen VJ. Economic benefit to society at large of total knee arthroplasty in younger patients: a Markov analysis. J Bone Joint Surg Am. 2014 Jan 15;96(2):119-126.
12. Wang S, Park WM, Kim YH, Cha TD, Wood K, Li G. In vivo loads in the lumbar L3-4 disc during a weight lifting extension. Clin Biomech (Bristol, Avon). 2014 Feb;29(2):155-160.
13. Wu M, Wang S, Driscoll SJ, Cha TD, Wood KB, Li G. Dynamic motion characteristics of the lower lumbar spine – implication to lumbar pathology and surgical treatment. Eur Spine J. 2014. Nov;23(11):2350-2358.
14. Zhong W, Driscoll SJ, Wu M, Wang S, Liu Z, Cha TD, Wood KB, Li G. In vivo morphological features of human lumbar discs. Medicine (Baltimore). 2014 Dec;93(28):e333.
15. Janssen SJ, Braun Y, Wood KB, Cha TD, Schwab JH. Allogeneic blood transfusions and postoperative infections after lumbar spine surgery. Spine J. 2015 May 1;15(5):901-909.
16. Menendez ME, Ring D, Harris MB, Cha TD. Predicting in-hospital mortality in elderly patients with cervical spine fractures: a comparison of the Charlson and Elixhauser comorbidity measures. Spine (Phila Pa 1976). 2015 Jun 1;40(11):809-815.
17. Zhong W, Driscoll SJ, Tsai TY, Wang S, Mao H, Cha TD, Wood KB, Li G. In vivo dynamic changes of dimensions in the lumbar intervertebral foramen. Spine J. 2015 Jul 1;15(7):1653-1659.
18. Liu N, Wood KB, Schwab JH, Cha TD, Pedlow FX Jr, Puhkan RD, Hyzog TL. Utility of flexion-extension radiographs in lumbar spondylolisthesis: a prospective study. Spine (Phila Pa 1976). 2015 Aug 15;40(16):E929-935.
19. Briseño MR, Phukan RD, Leonard DA, Herzog TL, Cho CH, Schwab JH, Wood KB, Bono CM, Cha TD. The influence of adjacent level disc disease on discectomy outcomes. Eur Spine J. 2015 Sep 12.
20. Clement RC, Welander A, Stowell C, Cha TD, Chen JL, Davies M, Fairbank JC, Foley KT, Gehrchen M, Hagg O, Jacobs WC, Kahler R, Khan SN, Lieberman IH, Morisson B, Ohnmeiss DD, Peul WC, Shonnard NH, Smuck MW, Solberg TK, Stromqvist BH, Hooff ML, Wasan AD, Willems PC, Yeo W, FRitzell P. A proposed set of metrics for standardized outcome reporting in the management of low back pain. Acta Orthop. 2015 Oct;86(5):523-533.
21. Liu N, Wood KB, Schwab JH, Cha TD, Puhkan RD, Osler PM, Grottkau BE. Comparison of intrawound vancomycin utility in posterior instrumented spine surgeries between patients with tumors and non-tumor patients. Spine (Phila Pa 1976). 2015 Oct 15;40(20):1586-1592
22. Ghori A, Le HV, Makanji H, Cha TD. Posterior fixation techniques in the subaxial cervical spine. Cureus. 2015 Oct 1;7(10):e338
23. Ghori A, Konopka JF, Makanji H, Cha TD, Bono CM. Long-term societal costs of anterior discectomy and fusion (ACDF) versus cervical disc arthroplasty (CDA) for treatment of cervical radiculopathy. Int J Spine Surg. 2016 Jan 7;10:1
24. Liu Z, Tsai TY, Wang S, Wu M, Zhong W, Li JS, Cha TD, Wood K, Li G. Sagittal plane rotation center of lower lumbar spine during a dynamic weight-lifting activity. J Biomech. 2016 Feb 8;49(3):371-375
25. Driscoll SJ, Zhong W, Torriani M, Mao H, Wood KB, Cha TD, Li G. In-vivo T2-relaxation times of asymptomatic cervical intervertebral discs. Skeletal Radiol. 2016 Mar;45(3):393-400.
26. Cha TD, Moore G, Liow MH, Zhong W, Wu M, Wang S, Kang JD, Wood KB, Li G. In vivo Characteristics of Non-degenerated Adjacent Segment Intervertebral Foramina in Patients with Degenerative Disc Disease during Flexion-Extension. Spine (Phila Pa 1976). Epub ahead of print
27. Mao H, Driscoll SJ, Li JS, Li G, Wood KB, Cha TD. Dimensional changes of the neuroforamina in subaxial cervical spine during in vivo dynamic flexion-extension. Spine J. 2016 Apr;16(4):540-546.
28. Hartveldt S, Janssen SJ, Wood KB, Cha TD, Schwab JH, Bono CM, Jenis LG. Is There an Association of Epidural Corticosteroid Injection With Postoperative Surgical Site Infection After Surgery for Lumbar Degenerative Spine Disease? Spine (Phila Pa 1976). 2016 Oct 1;41(19):1542-1547.
29. van Dijke M, Janssen SJ, Cha TD, Wood KB, Borges LF, Harris MB, Bono CM, Schwab JH. Comparison of Decompression With and Without Fusion for Patients With Synovial Facet Cysts. Clin Spine Surg. 2017 Dec;30(10):E1399-E1404.
30. Bono CM, Leonard DA, Cha TD, Schwab JH, Wood KB, Harris MB, Schoenfeld AJ. The effect of short (2-weeks) versus long (6-weeks) post-operative restrictions following lumbar discectomy: a prospective randomized control trial. Eur Spine J. 2017 Mar;26(3):905-9012
31. Chee A, Shi P, Cha TD, Kao TH, Yang SH, Zhu J, Chen D, Zhang Y, An HS. Cell Therapy with Human Dermal Fibroblasts Enhances Intervertebral Disk Repair and Decreases Inflammation in the Rabbit Model. Global Spine J. 2016 Dec;6(8):771-779.
32. Makanji HS, Le H, Wood KB, Jenis LG, Cha TD. Morphometric Analysis of the Retroperitoneal Vessels With Respect to Lateral Access Surgery in Adult Scoliosis. Clin Spine Surg. 2017 Aug;30(7):E1010-1014.
33. Theyskens NC, Paulino Pereira NR, Janssen SJ, Bono CM, Schwab JH, Cha TD. The prevalence of spinal epidural lipomatosis on magnetic resonance imaging. Spine J. 2017 Jul;17(7):969-976.
34. Yu Y, Mao H, Li JS, Tsai TY, Cheng L, Wood KB, Li G, Cha TD. Ranges of Cervical Intervertebral Disc Deformation During an In Vivo Dynamic Flexion-Extension of the Neck. J Biomech Eng. 2017 Jun 1;139(6).
35. Lønne G, Schoenfeld AJ, Cha TD, Nygaard ØP, Zwart JAH, Solberg T. Variation in selection criteria and approaches to surgery for Lumbar Spinal Stenosis among patients treated in Boston and Norway. Clin Neurol Neurosurg. 2017 May;156:77-82
36. Genevay S, Courvoisier DS, Konstantinou K, Kovacs FM, Marty M, Rainville J, Norberg M, Kaux JF, Cha TD, Katz JN, Atlas SJ. Clinical classification criteria for radicular pain caused by lumbar disc herniation: the radicular pain caused by disc herniation (RAPIDH) criteria. Spine J. 2017 Oct;17(10):1464-1471.
37. Sepucha K, Atlas SJ, Chang Y, Dorrwachter J, Freiberg A, Mangla M, Rubash HE, Simmons LH, Cha T. Patient Decision Aids Improve Decision Quality and Patient Experience and Reduce Surgical Rates in Routine Orthopaedic Care: A Prospective Cohort Study. J Bone Joint Surg Am. 2017 Aug 2;99(15):1253-1260.
38. Teunissen FR, Verbeek BM, Cha TD, Schwab JH. Spinal cord injury after traumatic spine fracture in patients with ankylosing spinal disorders. J Neurosurg Spine. 2017 Dec;27(6):709-716.
39. Genevay S, Courvoisier DS, Konstantinou K, Kovacs FM, Marty M, Rainville J, Norberg M, Kaux JF, Cha TD, Katz JN, Atlas SJ. Clinical classification criteria for neurogenic claudication caused by lumbar spinal stenosis. The N-CLASS criteria. Spine J. 2017 Oct 12 (Epub ahead of print)
40. Mangla M, Cha TD, Dorrwachter JM, Freiberg AA, Leavitt LJ, Rubash HE, Simmons LH, Wendell EL, Sepucha KR. Increasing the use of patient decision aids in orthopaedic care: results of a quality improvement project. BMJ Qual Saf. 2017 Nov 24 (Epub ahead of print)
41. Bhalla A, Cha TD, Weber C, Nerland U, Gulati S, Lønne G. Decompressive surgery for lumbar spinal stenosis across the Atlantic: a comparison of preoperative MRI between matched cohorts from the US and Norway. Acta Neurochir (Wien). 2018 Mar;160(3):419-424
42. Ogink PT, Teunis T, van Wulfften Palthe O, Sepucha K, Bono CM, Schwab JH, Cha TD. Variation in costs among surgeons for lumbar spinal stenosis. Spine J. 2018 Sep;18(9):1584-1591.
43. Kleimeyer JP, Cheng I, Alamin TF, Hu SS, Cha TD, Yanamadala V, Wood KB. Selective Anterior Lumbar Interbody Fusion for Low Back Pain Associated With Degenerative Disc Disease Versus Nonsurgical Management. Spine (Phila Pa 1976). 2018 Oct 1;43(19):1372-1380.
44. Diebo BG, Tishelman JC, Horn S, Poorman GW, Jalai C, Segreto FA, Bortz CA, Gerling MC, Lafage V, White AP, Mok JM, Cha TD, Eastlack RK, Radcliff KE, Paulino CB, Passias PG. The impact of mental health on patient-reported outcomes in cervical radiculopathy or myelopathy surgery. J Clin Neurosci. 2018 Aug;54:102-108.
45. Lang Z, Li JS, Yang F, Yu Y, Khan K, Jenis LG, Cha TD, Kang JD, Li G. Reoperation of decompression alone or decompression plus fusion surgeries for degenerative lumbar diseases: a systematic review. Eur Spine J, 2019 Jun; 28 (6): 1371-1385.
46. Shin JH, Yanamadala V, Cha TD. Computer-Assisted Navigation for Real Time Planning of Pedicle Subtraction Osteotomy in Cervico-Thoracic Deformity Correction. Oper Neurosurg (Hagerstown). 2019 Apr; 16 (4): 445-450.
47. Ogink PT, van Wulfften Palthe O, Teunis T, Bono CM, Harris MB, Schwab JH, Cha TD. Practice Variation Among Surgeons Treating Lumbar Spinal Stenosis in a Single Institution. Spine (Phila Pa 1976). 2019 Apr; 44 (7): 510-516.
48. Sepucha KR, Atlas SJ, Chang Y, Freiberg A, Malchau H, Mangla M, Rubash H, Simmons LH, Cha TD. Informed, Patient-Centered Decisions Associated with Better Health Outcomes in Orthopedics: Prospective Cohort Study. Med Decis Making. 2018 Nov;38(8):1018-1026.
49. Karhade AV, Ogink P, Thio Q, Broekman M, Cha TD, Gormley WB, Hershman S, Peul WC, Bono CM, Schwab JH. Development of machine learning algorithms for prediction of discharge disposition after elective inpatient surgery for lumbar degenerative disc disorders. Neurosurg Focus. 2018 Nov 1;45(5):E6.
50. Karhade AV, Ogink PT, Thio QCBS, Broekman MLD, Cha TD, Hershman SH, Mao J, Peul WC, Schoenfeld AJ, Bono CM, Schwab JH. Machine learning for prediction of sustained opioid prescription after anterior cervical discectomy and fusion. Spine J. 2019 Jun, 19 (6), 976-983.
51. Ogink PT, Karhade AV, Hershman SH, Cha TD, Bono CM, Schwab JH. Development of a Machine Learning Algorithm Predicting Discharge Placement After Surgery for Spondylolisthesis. Eur Spine J, 2019 Aug. 28 (8): 1775-1782.
52. Massier JRA, Ogink PT, Schlösser TPC, Ferrone ML, Hershman SH, Cha TD, Shin JH, Schwab JH. Sagittal Spinal Parameters After en Bloc Resection of Mobile Spine Tumors. Spine J. 2019 Oct, 19 (10), 1606-1612.
53. Karhade AV, Ogink PT, Thio QCBS, Cha TD, Gormley WB, Hershman SH, Smith TR, Mao J, Schoenfeld AJ, Bono CM, Schwab JH. Development of Machine Learning Algorithms for Prediction of Prolonged Opioid Prescription After Surgery for Lumbar Disc Herniation. Spine J. 2019 Nov; 19 (11), 1746-1771.
54. Gupta A, Upadhyaya S, Cha TD, Schwab JH, Bono CM , Hershman SH. Serum Albumin Levels Predict Which Patients Are at Increased Risk for Complications Following Surgical Management of Acute Osteoporotic Vertebral Compression Fractures. Spine J. 2019 Nov; 19 (11), 1796-1802.
55. Zhou C, Cha TD, Li G. An Upper Bound Computational Model for Investigation of Fusion Effects on Adjacent Segment Biomechanics of the Lumbar Spine. 2019 Nov; Comput Methods Biomech Biomed Engin 22 (14): 1126-1134.
56. Gupta A, Upadhyaya S, Patel A, Fogel HA, Cha TD, Schwab JH, Bono CM , Hershman SH. DEXA Sensitivity Analysis in Patients With Adult Spinal Deformity. Spine J. 2020 Feb; 20 (2), 174-180.
57. Yu Y, Li JS, Guo T, Lang Z, Kang JD, Cheng L, Li G, Cha TD. Normal Intervertebral Segment Rotation of the Subaxial Cervical Spine: An in vivo Study of Dynamic Neck Motions. 2019 Jan; J Orthop Translat 18: 32-39.
58. Karhade AV, Ogink PT, Thio QCBS, Cha TD, Hershman SH, Schoenfeld AJ, Bono CM, Schwab JH. Discharge Disposition After Anterior Cervical Discectomy and Fusion. World Neurosurg 2019 Dec; 132, e14-e20.
59. Zhou C, Wang H, Wang C, Tsai TY, Yu Y, Ostergaard P, Li G, Cha TD. Intervertebral Range of Motion Characteristics of Normal Cervical Spinal Segments (C0-T1) During in Vivo Neck Motions. 2020 Jan; J Biomech 98: 109418.
60. Karhade AV, Bongers M, Groot OQ, Kazarian ER, Cha TD, Fogel HA, Hershman SH, Tobert DG, Schoenfeld AJ, Bono CM, Kang JD, Harris MB, Schwab JH. Natural Language Processing for Automated Detection of Incidental Durotomy. Spine J. 2020 May;20(5):695-700.
61. Karhade AV, Cha TD, Fogel HA, Hershman SH, Tobert DG, Schoenfeld AJ, Bono CM, Schwab JH. Predicting Prolonged Opioid Prescriptions in Opioid-Naïve Lumbar Spine Surgery Patients Spine J. 2020 Jun;20(6):888-895
62. Gupta A, Upadhyaya S, Patel A, Fogel HA, Cha TD, Schwab J, Bono C, Hershman S. DEXA sensitivity analysis in patients with adult spinal deformity. Spine J. 2020 Feb;20(2):174-180.
63. Karhade AV, Bongers MER, Groot OQ, Kazarian ER, Cha TD, Fogel HA, Hershman SH, Tobert DG, Schoenfeld AJ, Bono CM, Kang JD, Harris MB, Schwab JH. Natural language processing for automated detection of incidental durotomy. Spine J. 2020 May;20(5):695-700.
64. Karhade AV, Bongers MER, Groot OQ, Cha TD, Doorly TP, Fogel HA, Hershman SH, Tobert DG, Schoenfeld AJ, Kang JD, Harris MB, Bono CM, Schwab JH. Can natural language processing provide accurate, automated reporting of wound infection requiring reoperation after lumbar discectomy? Spine J. 2020 Oct;20(10):1602-1609.
65. Gupta A, Upadhyaya S, Yeung CM, Ostergaard PJ, Fogel HA, Cha TD, Schwab J, Bono C, Hershman S. Disk Area Is a More Reliable Measurement Than Anteroposterior Length in the Assessment of Lumbar Disk Herniations: A Validation Study. Clin Spine Surg. 2020 Oct;33(8):E381-E385.
66. Karhade AV, Bongers MER, Groot OQ, Cha TD, Doorly TP, Fogel HA, Hershman SH, Tobert DG, Srivastava SD, Bono CM, Kang JD, Harris MB, Schwab JH. Development of machine learning and natural language processing algorithms for preoperative prediction and automated identification of intraoperative vascular injury in anterior lumbar spine surgery. Spine J. 2020 Apr 12:S1529-9430(20)30135-2.
67. Han C, Hai Y, Yin P, Cha TD, Li G. In vivo deformation of the spine canal before and after surgical corrections of severe and rigid kyphoscoliosis. J Orthop Translat. 2020 Apr 10;23:1-7.
68. Goh BC, Striano BM, Lopez WY, Upadhyaya S, Ziino C, Georgakas PJ, Tobert DG, Fogel HA, Cha TD, Schwab JH, Bono CM, Hershman SH. Laminoplasty versus laminectomy and fusion for cervical spondylotic myelopathy: a cost analysis. Spine J. 2020 Nov;20(11):1770-1775.
69. Gupta A, Cha TD, Schwab J, Fogel H, Tobert D, Qureshi S, Hecht A, Bono CM, Hershman S. Age Is Just a Number: Patient Age Does Not Affect Outcome Following Surgery for Osteoporotic Vertebral Compression Fractures. Global Spine J. 2020 Aug 7:2192568220941451.
70. Giardina JC, Cha TD, Atlas SJ, Barry MJ, Freiberg AA, Leavitt L, Marques F, Sepucha K. Validation of an electronic coding algorithm to identify the primary indication of orthopedic surgeries from administrative data. BMC Med Inform Decis Mak. 2020 Aug 12;20(1):187.
71. Wang H, Zhou C, Yu Y, Wang C, Tsai TY, Han C, Li G, Cha TD. Quantifying the ranges of relative motions of the intervertebral discs and facet joints in the normal cervical spine. J Biomech. 2020 Nov 9;112:110023
72. Zhou C, Li G, Wang C, Wang H, Yu Y, Tsai TY, Cha TD. In vivo intervertebral kinematics and disc deformations of the human cervical spine during walking. Med Eng Phys. 2021 Jan;87:63-72.
73. Zhou C, Cha TD, Wang W, Guo R, Li G. Investigation of Alterations in the Lumbar Disc Biomechanics at the Adjacent Segments After Spinal Fusion Using a Combined In Vivo and In Silico Approach. Ann Biomed Eng. Ann Biomed Eng. 2021 Feb;49(2):601-616.
74. Gupta A, Cha TD, Schwab J, Fogel H, Tobert D, Razi AE, Hecht A, Bono CM, Hershman S. Osteoporosis increases the likelihood of revision surgery following a long spinal fusion for adult spinal deformity Spine J. 2021 Jan;21(1):134-140..
75. Gupta A, Upadhyaya S, Yeung CM, Ostergaard PJ, Fogel HA, Cha TD, Schwab J, Bono C, Hershman S. Caudal Lumbar Disc Herniations Are More Likely to Require Surgery for Symptom Resolution. Global Spine J. 2021 Apr;11(3):359-364.
76. Gupta A, Upadhyaya S, Yeung CM, Ostergaard PJ, Fogel HA, Cha TD, Schwab J, Bono C, Hershman S. Does Size Matter? An Analysis of the Effect of Lumbar Disc Herniation Size on the Success of Nonoperative Treatment. J Spine Surg. 2021 Mar;7(1):1-7.
77. Karhade AV, Sisodia RC, Bono CM, Fogel HA, Hershman SH, Cha TD, Doorly TP, Kang JD, Schwab JH, Tobert DG. Surgeon-level variance in achieving clinical improvement after lumbar decompression: the importance of adequate risk adjustment. Spine J. 2021 Mar;21(3):405-410.
78. Karhade AV, Fogel HA, Cha TD, Hershman SH, Doorly TP, Kang JD, Bono CM, Harris MB, Schwab JH, Tobert DG. Development of prediction models for clinically meaningful improvement in PROMIS scores after lumbar decompression. Spine J. 2021 Mar;21(3):397-404.
79. Lopez WY, Goh BC, Upadhyaya S, Ziino C, Georgakas PJ, Gupta A, Tobert DG, Fogel HA, Cha TD, Schwab JH, Bono CM, Hershman SH. Laminoplasty-an underutilized procedure for cervical spondylotic myelopathy. Spine J. 2021 Apr;21(4):571-577.
80. Guo T, Yu Y, Zhou CC, Khan K, Wang HM, Li GA, Cha TD. In vivo ranges of motion of cervical segments in patients with cervical spondylosis during dynamic neck motions. Chin Med J (Engl). 2020 Nov 5.
81. Zhou C, Guo R, Wang C, Tsai TY, Yu Y, Wang W, Li G, Cha TD. Ligament deformation patterns of the craniocervical junction during head axial rotation tracked by biplane fluoroscopes. Clin Biomech (Bristol, Avon). 2021 Aug;88:105442.
82. Gupta A, Cha TD, Schwab J, Fogel H, Tobert D, Qureshi S, Hecht A, Bono CM, Hershman S. Age Is Just a Number: Patient Age Does Not Affect Outcome Following Surgery for Osteoporotic Vertebral Compression Fractures. Global Spine J. 2021 Sep;11(7):1083-1088.
83. Guo R, Zhou C, Wang C, Tsai TY, Yu Y, Wang W, Li G, Cha TD. In vivo primary and coupled segmental motions of the healthy female head-neck complex during dynamic head axial rotation. J. Biomech. 2021 Jun 23:123:110513. Epub 2021 May 11.
84. Han C, Hai Y, Zhou C, Yin P, Guo R, Wang H, Wang W, Cha TD, Li G. Investigation of in vivo three-dimensional changes of the spinal canal after corrective surgeries of the idiopathic scoliosis. JOR Spine. 2021 May 27;4(3):e1151.
85. Karhade AV, Bongers MER, Groot OQ, Cha TD, Doorly TP, Fogel HA, Hershman SH, Tobert DG, Srivastava SD, Bono CM, Kang JD, Harris MB, Schwab JH. Development of machine learning and natural language processing algorithms for preoperative prediction and automated identification of intraoperative vascular injury in anterior lumbar spine surgery. Spine J. 2021 Oct;21(10):1635-1642.
86. Wang W, Zhou C, Guo R, Cha TD, Li G. Influence of structural and material property uncertainties on biomechanics of intervertebral discs - Implications for disc tissue engineering. J Mech Behav Biomed Mater. 2021 Oct;122:104661
87. Wang W, Zhou C, Guo R, Cha TD, Li G. Prediction of biomechanical responses of human lumbar discs - a stochastic finite element model analysis. Comput Methods Biomech Biomed Engin. 2021 Nov;24(15):1730-1741
88. Zhou C, Cha TD, Peng Y, Li G. Transfer learning from an artificial radiograph-landmark dataset for registration of the anatomic skull model to dual fluoroscopic X-ray images. Comput Biol Med. 2021 Nov;138:104923.
89. Xiong GX, Tobert D, Fogel H, Cha TD, Schwab J, Shin J, Bono C, Hershman S. Open epidural blood patch to augment durotomy repair in lumbar spine surgery: surgical technique and cohort study. Spine J. 2021 Dec;21(12):2010-2018.
90. Zhou C, Cha TD, Peng Y, Bedair H, Li G. 3D Geometric Shape Reconstruction for Revision TKA and UKA Knees Using Gaussian Process Regression. Ann Biomed Eng. 2021 Dec;49(12):3685-3697.
91. Gupta A, Cha TD, Schwab J, Fogel H, Tobert D, Bono CM, Hershman S. Response to Assessing impacts of gender on adverse postoperative outcomes in patients undergoing osteoporotic vertebral compression fracture surgery. Osteoporos Int. 2022 Apr;33(4):947-948.
92. Goh BC, Lightsey HM 4th, Lopez WY, Tobert DG, Fogel HA, Cha TD, Schwab JH, Bono CM, Hershman SH. Magnetic Resonance Imaging Is Inadequate to Assess Cervical Sagittal Alignment Parameters. Clin Spine Surg. 2023 Mar 1;36(2):E70-E74.
93. Goh BC, Striano BM, Crawford AM, Tobert DG, Fogel HA, Cha TD, Schwab JH, Bono CM, Hershman SH. Surgical Intervention is Associated With Improvements in the ASIA Impairment Scale in Gunshot-induced Spinal Injuries of the Thoracic and Lumbar Spine. Clin Spine Surg. 2022 Aug 1;35(7):323-327.
94. Ogink PT, Groot OQ, van Steijn N, Im GH, Cha TD, Hershman SH, Bono CM, Schwab JH. Practice Variation Within a Single Institution in Management of Degenerative Spondylolisthesis. Clin Spine Surg. 2022 Jul.
95. Lavelle WF, Cha TD, Patel AA. Editors' Introduction: The Role of Bioactive Materials in the Future of Spine Surgery. Int J Spine Surg. 2023 Dec 27;17(S3):S7-S8.
96. Park WM, Li G, Cha T. Development of a novel FE model for investigation of interactions of multi-motion segments of the lumbar spine. Med Eng Phys. 2023 Oct;120:104047.
97. Han C, Zhou C, Zhang H, Yin P, Guo R, Wang W, Zhang Y, Cha TD, Li G, Hai Y.
Evaluation of bone mineral density in adolescent idiopathic scoliosis using a three-dimensional finite element model: a retrospective study. J Orthop Surg Res. 2023 Dec 7;18(1):938.
Publications, non-peer reviewed:
Abstracts:
1. Cha TD, Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB. Do intervertebral kinematics correlate with T2 relaxation times in the lower human cervical spine? North American Spine Society (NASS) Annual Meeting, Chicago, IL, 2015.
2. Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB, Cha TD. Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB, Cha TD. In-vivo motion characteristics of the lower cervical spine during dynamic weight-bearing flexion-extension. North American Spine Society (NASS) Annual Meeting, Chicago, IL, 2015.
3. Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB, Cha TD. Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB, Cha TD. Canal volume changes in the sub-axial cervical spine during in-vivo dynamic flexion-extension. North American Spine Society (NASS) Annual Meeting, Chicago, IL, 2015.
4. Driscoll S, Liu Z, Wu M, Wang S, Tsai TY, Cha TD, Wood KB, Li G. In-vivo deformation of L4/5 and L5/S1 discs during a weight-lifting extension. North American Spine Society (NASS) Annual Meeting, Chicago, IL, 2015.
5. Driscoll S, Zhong W, Tsai TY, Wang S, Li JS, Liu, Z, Cha TD, Wood KB, Li G. In-vivo dynamic changes of dimensions in the lumbar intervertebral foramen. North American Spine Society (NASS) Annual Meeting, Chicago, IL, 2015.
6. Jenis L, Hartveldt S, Janssen S, Wood KB, Cha TD, Schwab JH. Is there an association of epidural corticosteroid injection with postoperative surgical site infection after surgery for lumbar degenerative disc disease? Lumbar Spine Research Society 9th Annual Meeting, Chicago, IL, 2016.
7. Cha TD, Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB. In-vivo T2 relaxation times of asymptomatic cervical intervertebral discs. Cervical Spine Research Society Asia Pacific Section. Annual Meeting, Seoul, South Korea, 2016.
8. Cha TD, Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB. Dimensional changes of the neuroforamen in sub-axial cervical spine during in vivo dynamic flexion-extension. Cervical Spine Research Society Asia Pacific Section. Annual Meeting, Seoul, South Korea, 2016.
9. Cha TD, Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB. Intervertebral kinematics correlate with T2 relaxation times in the lower human cervical spine. International Society for the Advancement of Spine Surgery. Annual Meeting, San Diego, CA, 2016.
10. Cha TD, Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB. Intervertebral kinematics correlate with T2 relaxation times in the lower human cervical spine. International Society for the Advancement of Spine Surgery. Annual Meeting, San Diego, CA, 2016.
11. Cha TD, Driscoll S, Mao H, Wang S, Zhong W, Torriani M, Li G, Wood KB. In-vivo T2 relaxation times of asymptomatic cervical intervertebral discs. International Society for the Advancement of Spine Surgery. Annual Meeting, San Diego, CA, 2016.
12. Pereira NRP, Theyskens N, Janssen S, VerBeek B, Schwab JH, Cha TD. Prevalence of Spinal Epidural Lipomatosis on Magnetic Resonance Imaging. North American Spine Society (NASS) Annual Meeting, Boston, MA, 2016.
13. Cha TD, Zhong W, Moore G, Liow MHL, Wang S, Kang JD, Wood KB. In Vivo Characteristics of Asymptomatic Adjacent Intervertebral Foramina in Patients with Degenerative Disc Disease during Flexion-Extension. North American Spine Society (NASS) Annual Meeting, Boston, MA, 2016.
14. Liu Z, Cha TD, Moore G, Tsai TY, Zhong W, Li JS, Wood KB, Li G. Instantaneous Center of Rotation of Lower Lumbar Vertebral Segments During a Dynamic Weight-Lifting Activity. North American Spine Society (NASS) Annual Meeting, Boston, MA, 2016.
15. Cha TD, Khan KZ, Guo T, Yu Y, Li G. Evaluating Range of Motion During In-Vivo Dynamic Cervical Spine Motions in Spondylosis. Cervical Spine Research Society (CSRS) Annual Meeting, Pheonix, AZ, 2018.
16. Guo T, Khan KZ, Yu Y, Cha TD, Kang JD, Li G. Evaluating Range of Motion During In-Vivo Dynamic Cervical Spine Motions in Spondylosis. Orthopaedic Research Society (ORS) Annual Meeting, New Orleans, LA, 2018.
17. Guo T, Khan KZ, Yu Y, Cha TD, Li G. Adjacent Segment Disc Deformation During Dynamic in-vivo Cervical Spine Motions in Spondylosis Patients. Orthopaedic Research Society (ORS) Annual Meeting, New Orleans, LA, 2018.
18. Yu Y, Li JS, Tsai TY, Khan KZ, Cheng LM, Li G, Cha TD. Level-dependent Center of Rotation of the Intervertebral Segments of the Subaxial Cervical Spine during Dynamic Neck Motions. Orthopaedic Research Society (ORS) Annual Meeting, New Orleans, LA, 2018.
19. Li Y, Liu W, Liao Z, Zhang Y, Cha TD, Li G. Control Of Structural Properties Of Regenerated Intervertebral Discs Of The Spine - A 3d Finite Element Simulation. Orthopaedic Research Society (ORS) Annual Meeting, Austin, TX, 2019.
Editorials, Reviews, Chapters, including participation in committee reports:
1. Cha TD, Poelstra KA, Ludwig SL. Management of Postoperative Lumbar Wound Infections. In Ludwig SL, Poelstra KA, eds: Arthritis and Arthroplasty: The Spine, Chapter 38, Part 8. 2010
2. Vaccaro AR, Su BW, Cha TD. New Biomaterials for Cervical Fusion: Resorbable Anterior Plates. In Mummaneni PV, Kanter AS, Wang MY, Haid RW, eds: Cervical Spine Surgery: Current Trends and Challenges, Chapter 21, Part 3. 2013.
3. Moghimi M, Bono CM, Cha TD. Thoracic Stenosis, Myelopathy,and Radiculopathy. In Bono CM, Schoenfeld AJ, eds. Orthopaedic Surgery Essentials: Spine. 2nd edition. Chapter 17. In Press
4. Ghori AK, Leonard D, Cha TD. Biomechanics of the Cervical Spine: From the Normal State to the Injury State. In Vialle LR, Oner FC, Vaccaro AR, eds. AO Spine Masters Series: Volume 5 Cervical Spine Trauma. Chapter 2. In Press.
5. Saadat E, Cha TD. Interspinous Process Distraction. In Singh K, Qureshi S, eds: Decision Making in Degenerative Spinal Surgery. Nova, Chapter 16. In Press.
6. Cha TD, Dazley JM, Khan SN. Lumbar Spinal Stenosis. In Phillips FM, Lieberman I, Polly D, eds: Minimally Invasive Spine Surgery. Springer, Chapter 26. In Press.
7. Cha TD, An HS: Anterior Cervical Discectomy and Fusion. In Hecht A, Colvin AC, eds: Atlas of Essential Orthopaedic Procedures. AAOS E-book. In Press.
8. Clapp JS, Herzog JP, Cha TD. Lumbar Facet Screw Fixation Techniques. In Kim DH, Vaccaro AR eds: Surgical Anatomy & Techniques to the Spine, Chapter 49. In Press.
9. Cha TD, Khan S, Farup C, Phillips F. The Quality Adjusted Life Year. In Rihn J, Albert TJ, Vaccaro AR, eds: The Primer on Value Based Spine Care, Chapter 10. In Press
10. Melikian R., Cha TD. Cauda Equina and Conus Medullaris Syndrome. In Vaccaro A, Su B, Wang Y, Dvorak M, Mayer H, Chiba K, Vialle L, Youssef M, Rajasekaran S, eds: The Spine. Medical and Surgical Conditions, Chapter 75. In Press.
11. Simpson A, Cha TD. Non Operative and Operative Treatment of Sacroiliac Joint Dysfunction. In Vaccaro A, Su B, Wang Y, Dvorak M, Mayer H, Chiba K, Vialle L, Youssef M, Rajasekaran S, eds: The Spine. Medical and Surgical Conditions, Chapter 75. In Press.
12. Nwosu K, Cha TD. Lumbar Spinal Stenosis. In Phillips F, Lieberman IH, Polly DW, Wang MY, eds: Minimally Invasive Spine Surgery, Chapter 35. In Press.
13. Cha TD., Jacobson, M., Al-Omari, A., Briseno, M. Spine; Case 1,2,3. In Sethi, M. ed: Orthopaedic Surgery, Examination and Board Review. Chapter 1.
14. Ostergaard, Cha TD. Biomechanics of Vertebral Compression Fractures. In Razi AE, Hershman SH, eds: Vertebral Compression Fractures in Osteoporotic and Pathologic Bone, Chapter 5. In Press.
15. WY Lopez, Cha TD. Clinical Correlations to Specific Phenotypes and Measurements with Classification Systems. In Louie, PK, eds: Atlas of Spinal Imaging. Chapter 9
16. BC Goh, Cha TD. Surgical Outcomes in Spinal Stenosis Surgery. In Lange JK, Wood KB, Kang JD, eds: Special Considerations for Orthopedic and Spine Surgeons Treating Hip-Spine Syndrome. Chapter 11.