Alekos Theologis, MD

Title(s)Associate Professor, Orthopaedic Surgery
SchoolSchool of Medicine
Address500 Parnassus Avenue, #W318
San Francisco CA 94117
Phone415-353-8203
ORCID ORCID Icon0000-0003-1526-0000 Additional info
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    Collapse Biography 
    Collapse Education and Training
    Stanford University, Stanford, CA BS2007Biological Sciences, Chemistry
    University of California San Francisco, San FranciscoM.D.2011
    University of California San Francisco, San FranciscoResidency2017Orthopaedic Surgery
    Washington University, St. LouisFellowship2018Spine
    Collapse Awards and Honors
    California Orthopaedic Association's J. Harold LaBriola, M.D. Resident Award
    Northern California Orthopaedic Society's Resident Research Award
    2014 Most Outstanding Paper Award from The Spine Journal
    UCSF Clinical & Translational Science Institute's Outstanding Resident Research Award

    Collapse Overview 
    Collapse Overview
    As a member of the UCSF Spine Center, Dr. Alekos Theologis, MD, is a American Board of Orthopaedic Surgery (ABOS) certified orthopaedic surgeon who specializes in the treatment of a wide-range of complex primary and revision spinal disorders for both children and adults, which include cervical myelopathy, cervicothoracic kyphosis, adult scoliosis, lumbar stenosis, spondylolisthesis, failed back syndrome, and tumors. Providing passionate and comprehensive patient care, Dr. Theologis actively engages in the development of new technologies, clinical and biomechanical research, and the latest advancements in perioperative pain management and surgical reconstruction.

    Dr. Theologis’ research interests include: perioperative management and risk assessment, revision surgery and the management of complications after spine surgery, health policy, global health, and educating the next generation of medical students and residents.

    Dr. Theologis graduated with a B.S. in Biological Sciences and Chemistry from Stanford University. He attended medical school at the University of California - San Francisco, where he also completed his residency in the Department of Orthopaedic Surgery, serving as chief resident in his final year.

    During this time, Dr. Theologis received local and national awards for research including: the J. Harold LaBriola, M.D. Resident Award for the most outstanding resident paper in orthopaedic research; the Northern California Orthopaedic Society Resident Research Award for best clinical paper; the 2014 Most Outstanding Paper in The Spine Journal; and the UCSF CTSI Outstanding Resident Research Award. Dr. Theologis also completed a Health Volunteers Overseas Orthopaedics Traveling Fellowship in Ghana during which he trained surgeons and operated on patients with severe spinal deformities.

    Following his residency at UCSF, Dr. Theologis completed one of the most prestigious adult and pediatric clinical fellowships in spine surgery at Washington University in St. Louis during which he trained broadly and comprehensively under the tutelage of neurosurgeons and orthopaedic surgeons.

    Dr. Theologis’ clinics will be at four locations: the UCSF Spine Center on the Parnassus Campus, the UCSF Orthopedic Institute and the Helen Diller Family Comprehensive Cancer Center, both state-of- the-art facilities located at the UCSF Mission Bay campus in San Francisco, and the UCSF Berkeley Outpatient Clinic in Berkeley.

    For more information or to make an appointment: 415-353-2739.

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Letter: Commentary: Trans-Sternal Multilevel Corpectomy for Cervicothoracic Renal Cell Metastasis: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2024 Oct 30. Tawil ME, Chryssikos T, Theologis AA, Kratz J, Mummaneni PV. PMID: 39475251.
      View in: PubMed   Mentions:    Fields:    
    2. Multirod posterior occipitocervical instrumentation constructs: a biomechanical analysis and initial case series of 10 patients with complex craniocervical pathology. Spine J. 2024 Sep 28. Collins AP, Mumtaz M, Tripathi S, Varier SK, Turner AW, Clark AJ, Goel VK, Theologis AA. PMID: 39343239.
      View in: PubMed   Mentions:    Fields:    
    3. Revisiting abdominal wall "morbidity" of the extensile anterolateral approach to the thoracolumbar spine. Spine Deform. 2024 Sep 22. Theologis AA, Collins AP, Parhar K, Gupta MC. PMID: 39307890.
      View in: PubMed   Mentions:    Fields:    
    4. Effects of pelvic fixation strategies and multi-rod constructs on biomechanics of the proximal junction in long thoracolumbar posterior instrumented fusions: a finite-element analysis. Spine Deform. 2024 Nov; 12(6):1571-1582. Mumtaz M, Collins AP, Shekouhi N, Varier K, Tripathi S, Ames CP, Deviren V, Clark AJ, Goel VK, Theologis AA. PMID: 39162957; PMCID: PMC11499539.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    5. Evaluating the biomechanical effects of pedicle subtraction osteotomy at different lumbar levels: a finite element investigation. Spine J. 2024 Aug 02. Shekouhi N, Tripathi S, Theologis A, Mumtaz M, Serhan H, McGuire R, Goel VK, Zavatsky JM. PMID: 39097103.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. Correction: Costs of revision operations for distal junctional kyphosis following thoracic posterior spinal fusion for adolescent idiopathic scoliosis. Eur Spine J. 2024 Jul; 33(7):2931. Theologis AA, Wu HH, Oeding JF, Diab M. PMID: 38600273.
      View in: PubMed   Mentions:    Fields:    
    7. Radiation Therapy for Primary and Metastatic Spine Tumors. J Am Acad Orthop Surg. 2024 Sep 15; 32(18):823-832. Boreta L, Chhabra A, Theologis AA. PMID: 38748899.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    8. Biomechanical analysis of a trans-discal, multi-level stabilization screw (MLSS) at the upper instrumented vertebra (UIV) of long posterior thoracolumbar instrumentations. Spine Deform. 2024 Jul; 12(4):953-959. Collins AP, Shah AA, Shekouhi N, Goel VK, Theologis AA. PMID: 38578598; PMCID: PMC11217123.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    9. Timelines for Return to Different Sports Types After Eight Cervical Spine Fractures in Recreational and Elite Athletes: A Survey of the Association for Collaborative Spine Research. Clin Spine Surg. 2024 Mar 25. Hung NJ, McClellan RT, Hsu W, Hu SS, Clark AJ, Theologis AA. PMID: 38531829.
      View in: PubMed   Mentions:    Fields:    
    10. Lumbar fusion surgery in the era of an aging society: analysis of a nationwide population cohort with minimum 8-year follow-up. Spine J. 2024 Aug; 24(8):1378-1387. Kwon WK, Theologis AA, Kim JH, Moon HJ. PMID: 38499063.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. Comparative Analysis of Three Posterior-Only Surgical Techniques for Isthmic L5-S1 Spondylolisthesis. J Am Acad Orthop Surg. 2024 May 15; 32(10):456-463. Klawson B, Buchowski JM, Punyarat P, Singleton Q, Feger M, Theologis AA. PMID: 38412458.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Costs of revision operations for distal junctional kyphosis following thoracic posterior spinal fusion for adolescent idiopathic scoliosis. Eur Spine J. 2024 Jun; 33(6):2504-2511. Theologis AA, Wu HH, Oeding JF, Diab M. PMID: 38376560.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Resection of a Recurrent Lumbar Chordoma With Intradural Extension and Complex Dural Repair: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2024 Aug 01; 27(2):250-251. Dada A, Tawil ME, Dietz N, Ambati VS, Chryssikos T, Theologis AA, Mummaneni PV. PMID: 38363140.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. Coronal Alignment in Adult Spine Surgery. J Am Acad Orthop Surg. 2024 May 15; 32(10):417-426. Sharfman ZT, Clark AJ, Gupta MC, Theologis AA. PMID: 38354413.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    15. Trans-Sternal Multilevel Corpectomy for Cervicothoracic Renal Cell Metastasis: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2024 Jan 15. Tawil ME, Chryssikos T, Sorour O, Ambati VS, Jamieson A, Theologis AA, Kratz J, Mummaneni PV. PMID: 38224228.
      View in: PubMed   Mentions:    Fields:    
    16. Correction: Degenerative lumbar spondylolisthesis: review of current classifications and proposal of a novel classification system. Eur Spine J. 2024 Jan; 33(1):366. Rangwalla K, Filley A, El Naga A, Gendelberg D, Baldwin A, Maziad A, Arora A, Wague A, O'Donnell J, Chryssikos T, Kasir R, Shah J, Theologis A, Tan L, Mummaneni P, Alamin T, Berven SH. PMID: 37917207.
      View in: PubMed   Mentions:    Fields:    
    17. Odontoid fractures above C2 to pelvis posterior instrumented fusions: a single center's 11-year experience. Spine Deform. 2024 Mar; 12(2):463-471. Lim P, Clark AJ, Deviren V, Berven SH, Burch S, Ames CP, Theologis AA. PMID: 38157096; PMCID: PMC10866802.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    18. Abdominal lymphocele following multi-level anterior lumbar interbody fusion (ALIF) managed with a laparoscopic peritoneal window: case report and review of the literature. Eur Spine J. 2024 Jul; 33(7):2858-2863. Collins AP, Freise CE, Hiramoto J, Clark AJ, Theologis AA. PMID: 38147084.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Biomechanical evaluation of multi-rod constructs to stabilize an S1 pedicle subtraction osteotomy (PSO): a finite element analysis. Spine Deform. 2024 Mar; 12(2):313-322. Shekouhi N, Tripathi S, Goel VK, Theologis AA. PMID: 38032447; PMCID: PMC10866773.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    20. Anterior lumbar interbody fusion versus transforaminal lumbar interbody fusion for correction of lumbosacral fractional curves in adult (thoraco)lumbar scoliosis: A systematic review. N Am Spine Soc J. 2024 Mar; 17:100299. Cummins DD, Clark AJ, Gupta MC, Theologis AA. PMID: 38193108; PMCID: PMC10772279.
      View in: PubMed   Mentions:
    21. Bilateral dual iliac screw pelvic fixation for adult spinal deformity: a case report of a superior gluteal artery pseudoaneurysm secondary to aberrant iliac screw trajectory. Spine Deform. 2024 Mar; 12(2):501-505. Khela M, Kasir R, Lokken RP, Clark AJ, Theologis AA. PMID: 37882967; PMCID: PMC10867056.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    22. Understanding the etiopathogenesis of lumbar intervertebral disc herniation: From clinical evidence to basic scientific research. JOR Spine. 2024 Mar; 7(1):e1289. Zhou M, Theologis AA, O'Connell GD. PMID: 38222810; PMCID: PMC10782075.
      View in: PubMed   Mentions: 7  
    23. Proximal Junctional Fracture and Kyphosis: Correction With Posterior Vertebral Column Resection and the "Rail Technique": 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown). 2024 Feb 01; 26(2):237. Collins AP, Clark AJ, Ames CP, Theologis AA. PMID: 37819085.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    24. Degenerative lumbar spondylolisthesis: review of current classifications and proposal of a novel classification system. Eur Spine J. 2024 May; 33(5):1762-1772. Rangwalla K, Filley A, El Naga A, Gendelberg D, Baldwin A, Maziad A, Arora A, Wague A, O'Donnell J, Chryssikos T, Kasir R, Shah J, Theologis A, Tan L, Mummaneni P, Alamin T, Berven SH. PMID: 37543967.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    25. Lumbar Pedicle Subtraction Osteotomy (PSO): A Novel Surgical Technique for Correction of Sagittal and Coronal Imbalance Using Laterally Based Satellite Rods. Clin Spine Surg. 2023 10 01; 36(8):317-322. Scheer JK, Clark AJ, Mitsunaga K, Tan LA, Theologis AA. PMID: 37482632.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    26. Activity and sports resumption after long segment fusions to the pelvis for adult spinal deformity: survey results of AO Spine members. Spine Deform. 2023 Nov; 11(6):1485-1493. Theologis AA, Cummins DD, Kato S, Lewis S, Shaffrey C, Lenke L, Berven SH, AO Spine Knowledge Forum Deformity. PMID: 37462878; PMCID: PMC10587314.
      View in: PubMed   Mentions: 1     Fields:    
    27. Proximal Junctional Kyphosis and Failure: Strategies for Prevention. Neurosurg Clin N Am. 2023 Oct; 34(4):573-584. Arora A, Sharfman ZT, Clark AJ, Theologis AA. PMID: 37718104.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    28. Navigated Hybrid Open/Muscle-sparing Approach to 2-level Cement Augmentation of the UIV and UIV+1 for Prevention of Proximal Junctional Failure: Supplemental Manuscript to Operative Video. Clin Spine Surg. 2023 12 01; 36(10):451-457. Goodarzi A, Arora A, Burch S, Clark AJ, Theologis AA. PMID: 37448146.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    29. Duration of neurological deficit and outcomes in the surgical treatment of spinal coccidioidomycosis. J Neurosurg Spine. 2023 09 01; 39(3):419-426. Semonche A, Scheer JK, Shah VN, Fung M, Tan LA, Chou D, Mummaneni PV, Berven SH, Ames CP, Deviren V, Theologis AA, Clark AJ. PMID: 37243554.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    30. Mechanical complications and patient-reported outcome measures associated with high pelvic incidence and persistent pelvic retroversion: the Roussouly "false type 2" profile. J Neurosurg Spine. 2023 08 01; 39(2):151-156. Lertudomphonwanit T, Gupta MC, Theologis AA, Jauregui JJ, Lenke LG, Bridwell KH, Wondra JP, Kelly MP. PMID: 37178020.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Computer-assisted Navigation in Lumbar Spine Instrumented Fusions: Comparison of In-hospital and 30-Day Postoperative Complications With Nonnavigated Fusions in a National Database. J Am Acad Orthop Surg. 2023 Sep 01; 31(17):e638-e644. Sing D, Cummins DD, Burch S, Theologis AA. PMID: 37130368.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    32. Influence of Preoperative T1-Slope and Cervical Sagittal Vertical Axis on Postoperative Cervical Sagittal Alignment Following Posterior Cervical Laminoplasty. Int J Spine Surg. 2023 Apr; 17(2):276-280. Bhat N, Burch S, Tay B, Berven SH, Deviren V, Theologis AA. PMID: 36889903; PMCID: PMC10165632.
      View in: PubMed   Mentions:
    33. Preoperative medical assessment for adult spinal deformity surgery: a state-of-the-art review. Spine Deform. 2023 07; 11(4):773-785. Arora A, Cummins DD, Wague A, Mendelis J, Samtani R, McNeill I, Theologis AA, Mummaneni PV, Berven S. PMID: 36811703; PMCID: PMC10261200.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    34. Risk factors for extended length of stay and non-home discharge in adults treated with multi-level fusion for lumbar degenerative pathology and deformity. Spine Deform. 2023 05; 11(3):685-697. Arora A, Wague A, Srinivas R, Callahan M, Peterson TA, Theologis AA, Berven S. PMID: 36520257; PMCID: PMC10147745.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    35. Does number of rods matter? 4-, 5-, and 6-rods across a lumbar pedicle subtraction osteotomy: a finite element analysis. Spine Deform. 2023 05; 11(3):535-543. Shekouhi N, Vosoughi AS, Goel VK, Theologis AA. PMID: 36484928; PMCID: PMC10147790.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    36. Predictive models to assess risk of extended length of stay in adults with spinal deformity and lumbar degenerative pathology: development and internal validation. Spine J. 2023 03; 23(3):457-466. Arora A, Demb J, Cummins DD, Callahan M, Clark AJ, Theologis AA. PMID: 36892060.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    37. Thoracic posterior spinal instrumented fusion vs. thoracic anterior spinal tethering for adolescent idiopathic scoliosis with a minimum of 2-year follow-up: a cost comparison of index and revision operations. Spine Deform. 2023 03; 11(2):359-366. Theologis AA, Wu HH, Diab M. PMID: 36131225.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    38. Development and internal validation of predictive models to assess risk of post-acute care facility discharge in adults undergoing multi-level instrumented fusions for lumbar degenerative pathology and spinal deformity. Spine Deform. 2023 01; 11(1):163-173. Arora A, Demb J, Cummins DD, Deviren V, Clark AJ, Ames CP, Theologis AA. PMID: 36125738; PMCID: PMC9768002.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    39. Radiographic comparison of L5-S1 lateral anterior lumbar interbody fusion cage subsidence and displacement by fixation strategy: anterior plate versus integrated screws. J Neurosurg Spine. 2023 01 01; 38(1):126-130. Theologis AA, Patel S, Burch S. PMID: 36057128.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    40. Biomechanical comparison of multi-rod constructs by satellite rod configurations (in-line vs. lateral) and screw types (monoaxial vs. polyaxial) spanning a lumbar pedicle subtraction osteotomy (PSO): is there an optimal configuration? Eur Spine J. 2022 11; 31(11):3050-3059. Shekouhi N, Vosoughi AS, Zavatsky JM, Goel VK, Theologis AA. PMID: 35932334.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    41. Proximal Junctional Spondylodiscitis Following Adult Spinal Deformity Surgery: Case Series and Review of the Literature. Int J Spine Surg. 2022 Dec; 16(6):1054-1060. Mendelis JR, Hung NJ, Deviren V, Ames CP, Clark AJ, Theologis AA. PMID: 35831064; PMCID: PMC9807054.
      View in: PubMed   Mentions:
    42. Lidocaine Infusion for the Management of Postoperative Pain and Delirium (LIMPP): protocol for a randomised control trial. BMJ Open. 2022 06 06; 12(6):e059416. Buren MA, Theologis A, Zuraek A, Behrends M, Clark AJ, Leung JM. PMID: 35667730; PMCID: PMC9171272.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCTClinical Trials
    43. Compensatory biomechanics and spinal loading during dynamic maneuvers in patients with chronic low back pain. Eur Spine J. 2022 07; 31(7):1889-1896. Nyayapati P, Booker J, Wu PI, Theologis A, Dziesinski L, O'Neill C, Zheng P, Lotz JC, Matthew RP, Bailey JF. PMID: 35604457; PMCID: PMC9252943.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    44. Survival of Patients With Primary Osseous Malignancies of the Mobile Spine Is Associated With Access to "Standard Treatment" Protocols. J Am Acad Orthop Surg. 2022 Sep 01; 30(17):841-850. Stroud SG, Geiger EJ, Lichtensztajn DY, Goldsby RE, Cheng I, Wustrack R, Theologis AA. PMID: 35507547.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    45. Economic Impact of Revision Operations for Adjacent Segment Disease of the Subaxial Cervical Spine. J Am Acad Orthop Surg Glob Res Rev. 2022 04 01; 6(4). Bonano J, Cummins DD, Burch S, Berven SH, Deviren V, Ames CP, Tay B, Clark AJ, Theologis AA. PMID: 35452424; PMCID: PMC9042582.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    46. 5-Year Revision Rates After Elective Multilevel Lumbar/Thoracolumbar Instrumented Fusions in Older Patients: An Analysis of State Databases. J Am Acad Orthop Surg. 2022 May 15; 30(10):476-483. Cummins DD, Callahan M, Scheffler A, Theologis AA. PMID: 35196291.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    47. Lower Neurological Risk with Anterior Operations Compared to Posterior Operations for Thoracic Disc Herniations: Analysis of 697 Patients. Spine (Phila Pa 1976). 2022 Feb 01; 47(3):E94-E100. Cummins D, Callahan M, Clark AJ, Theologis AA. PMID: 34381003.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    48. Rates and risk factors associated with 30- and 90-day readmissions and reoperations after spinal fusions for adult lumbar degenerative pathology and spinal deformity. Spine Deform. 2022 05; 10(3):625-637. Taliaferro K, Rao A, Theologis AA, Cummins D, Callahan M, Berven SH. PMID: 34846718.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    49. RAPT score and preoperative factors to predict discharge location following adult spinal deformity surgery. Spine Deform. 2022 05; 10(3):639-646. Cummins D, Georgiou S, Burch S, Tay B, Berven SH, Ames CP, Deviren V, Clark AJ, Theologis AA. PMID: 34773631.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    50. Spine Surgeons Social Dilemma: Benefits and Risks of Social Media for Spine Surgery Practice in the 21st Century. Global Spine J. 2023 Jul; 13(6):1441-1449. Samtani RG, Webb A, Burleson J, Berven S, Theologis A, Abotsi E, Burch S, Deviren V, Haddas R. PMID: 34342239; PMCID: PMC10448086.
      View in: PubMed   Mentions: 4  
    51. Ureteral injury following anterior thoracolumbar spinal instrumented fusion for adolescent idiopathic scoliosis: a case report with CT angiography analysis of surgically relevant anatomy. Spine Deform. 2021 11; 9(6):1691-1698. Hung NJ, Theologis AA, Courtier JL, Harmon D, Diab M. PMID: 34075563.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    52. The role of the fractional lumbosacral curve in persistent coronal malalignment following adult thoracolumbar deformity surgery: a radiographic analysis. Spine Deform. 2021 05; 9(3):721-731. Theologis AA, Lertudomphonwanit T, Lenke LG, Bridwell KH, Gupta MC. PMID: 33651338.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    53. Reoperation and Mortality Rates Following Elective 1 to 2 Level Lumbar Fusion: A Large State Database Analysis. Global Spine J. 2022 Oct; 12(8):1708-1714. Cummins D, Hindoyan K, Wu HH, Theologis AA, Callahan M, Tay B, Berven S. PMID: 33472423; PMCID: PMC9609528.
      View in: PubMed   Mentions: 2  
    54. Costs and utility of post-discharge acute inpatient rehabilitation following adult spinal deformity surgery. Spine Deform. 2021 05; 9(3):817-822. Theologis AA, Lau D, Dalle-Ore C, Tsu A, Deviren V, Ames CP. PMID: 33400227.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    55. Thoracolumbar Junction Orientation: A Novel Guide for Sagittal Correction and Proximal Junctional Kyphosis Prediction in Adult Spinal Deformity Patients. Neurosurgery. 2020 12 15; 88(1):55-62. Moon HJ, Bridwell KH, Theologis AA, Kelly MP, Lertudomphonwanit T, Lenke LG, Gupta MC. PMID: 32761200.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    56. The "Rail Technique" for Correction of Cervicothoracic Kyphosis: Case Report and Surgical Technique Description. Neurospine. 2020 Sep; 17(3):652-658. Theologis AA, Gupta MC. PMID: 33022170; PMCID: PMC7538351.
      View in: PubMed   Mentions: 1  
    57. Relationship of the character of rod fractures on outcomes following long thoracolumbar fusion to the sacrum for adult spinal deformity. Spine J. 2020 09; 20(9):1452-1463. Lertudomphonwanit T, Bridwell KH, Kelly MP, Punyarat P, Theologis A, Sides BA, Gupta MC. PMID: 32502653.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    58. Intervertebral disc herniation effects on multifidus muscle composition and resident stem cell populations. JOR Spine. 2020 Jun; 3(2):e1091. Agha O, Mueller-Immergluck A, Liu M, Zhang H, Theologis AA, Clark A, Kim HT, Liu X, Feeley BT, Bailey JF. PMID: 32613166; PMCID: PMC7323461.
      View in: PubMed   Mentions: 10  
    59. Readmission in elective spine surgery: Will short stays be beneficial to patients. J Clin Neurosci. 2020 Aug; 78:170-174. Brown AE, Saleh H, Naessig S, Pierce KE, Ahmad W, Bortz CA, Alas H, Chern I, Vasquez-Montes D, Ihejirika RC, Segreto FA, Haskel J, Kaplan DJ, Diebo BG, Gerling MC, Paulino CB, Theologis A, Lafage V, Janjua MB, Passias PG. PMID: 32360160.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    60. Improvements in Neck Pain and Disability Following C1-C2 Posterior Cervical Instrumentation and Fusion for Atlanto-Axial Osteoarthritis. World Neurosurg. 2020 07; 139:e496-e500. Adogwa O, Buchowski JM, Sielatycki JA, Shlykov MA, Theologis AA, Lin J, CreveCoeur T, Peters C, Riew KD. PMID: 32311554.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    61. Normative Data of Pulmonary Function Tests and Radiographic Measures of Chest Development in Children Without Spinal Deformity: Is a T1-T12 Height of 22 cm Adequate? Spine Deform. 2019 11; 7(6):857-864. Theologis AA, Smith J, Kerstein M, Gregory JR, Luhmann SJ. PMID: 31731994.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    62. Thoracolumbar junction orientation: its impact on thoracic kyphosis and sagittal alignment in both asymptomatic volunteers and symptomatic patients. Eur Spine J. 2019 Sep; 28(9):1937-1947. Moon HJ, Bridwell KH, Theologis AA, Kelly MP, Lertudomphonwanit T, Kim HJ, Lenke LG, Gupta MC. PMID: 31342155.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    63. Cervical and Cervicothoracic Sagittal Alignment According to Roussouly Thoracolumbar Subtypes. Spine (Phila Pa 1976). 2019 Jun 01; 44(11):E634-E639. Theologis AA, Iyer S, Lenke LG, Sides BA, Kim HJ, Kelly MP. PMID: 30475347.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    64. Cellular biology of fracture healing. J Orthop Res. 2019 01; 37(1):35-50. Bahney CS, Zondervan RL, Allison P, Theologis A, Ashley JW, Ahn J, Miclau T, Marcucio RS, Hankenson KD. PMID: 30370699; PMCID: PMC6542569.
      View in: PubMed   Mentions: 190     Fields:    Translation:HumansAnimalsCells
    65. Placement of iliosacral screws using 3D image-guided (O-Arm) technology and Stealth Navigation: comparison with traditional fluoroscopy. Bone Joint J. 2016 May; 98-B(5):696-702. Theologis AA, Burch S, Pekmezci M. PMID: 27143744.
      View in: PubMed   Mentions: 19     Fields:    Translation:Humans
    66. When do anterior external or internal fixators provide additional stability in an unstable (Tile C) pelvic fracture? A biomechanical study. Eur J Trauma Emerg Surg. 2015 Dec; 41(6):665-71. Mcdonald E, Theologis AA, Horst P, Kandemir U, Pekmezci M. PMID: 26038006.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    67. Luteinizing hormone-dependent activation of the epidermal growth factor network is essential for ovulation. Mol Cell Biol. 2007 Mar; 27(5):1914-24. Hsieh M, Lee D, Panigone S, Horner K, Chen R, Theologis A, Lee DC, Threadgill DW, Conti M. PMID: 17194751; PMCID: PMC1820474.
      View in: PubMed   Mentions: 148     Fields:    Translation:AnimalsCells
    68. Protein-protein interactions among the Aux/IAA proteins. Proc Natl Acad Sci U S A. 1997 Oct 28; 94(22):11786-91. Kim J, Harter K, Theologis A. PMID: 9342315; PMCID: PMC23574.
      View in: PubMed   Mentions: 216     Fields:    Translation:AnimalsCells
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