Publications

Harbour Spine Surgeons is home to a team of specialist doctors who are leaders in their field.

Each surgeon brings extensive training, clinical expertise and experience in the management of a wide variety of spinal conditions. Patients benefit from our collaborative approach, combined decision making and shared commitment to excellence.

Publications

Dr Randolph J Gray

Dr Randolph Gray

Dr Randolph J Gray

Dr. Sean A Suttor

Dr Randolph J Gray

Dr. Nathan L Hartin

Dr Randolph J Gray

Dr. Andrew J Kanawati

Dr Randolph J Gray

Dr. Joel I Steiner

Publications

SurgeonYearTitlePublicationVolumeNumberPagesAuthors
Randolph Gray2026P91. Is a 50% loss in IONM signal the appropriate threshold in surgery?The Spine Journal2511S117Gray, R.
Andrew Kanawati2026Biomechanical evaluation of a C1-C2 posterior arch screw constructGlobal Spine Journal161154-161Fernandes, Renan Rodrigues; Gee, Aaron; Schneider, Nicole; Kanawati, Andrew J; Bailey, Christopher S; Zdero, Radovan; Rasoulinejad, Parham;
Randolph Gray2025Non-Operative Management for Patients With Spinal Ankylosing Disorders Presenting With Extension Type (AOSpine B3) Fractures – Our Experience with a Cohort of 40 PatientsGlobal Spine Journal1573323-3331Barkay, G.; Fernandes, J.; Strong, D.; et al.
Nathan Hartin2025Non-operative management for patients with spinal ankylosing disorders presenting with extension type (AOSpine B3) fractures: our experience with a cohort of 40 patientsGlobal Spine Journal1573323-3331G. Barkay; J. Fernandes; D. Strong; S. Suttor; N. Hartin; R. Gray
Sean Suttor2025Non-operative management for patients with spinal ankylosing disorders presenting with extension type (AOSpine B3) fractures – our experience with a cohort of 40 patientsGlobal Spine Journal1573323-3331Barkay, G.; Fernandes, J.; Strong, D.; Suttor, S.; Hartin, N. et al.
Andrew Kanawati2025Comparison between masked stereolithography and fused deposition modeling 3D-printed synthetic vertebra for surgical training and simulation of pedicle screw fixationMedical Imaging 2025: Clinical and Biomedical Imaging1341085-90Duncan, Chloe; Malek, Peter; Kanawati, Andrew; Reynolds, Tess;
Andrew Kanawati2025Twin table-tilt imaging rapid metal artefact reduction intraoperative CBCT imaging during pedicle screw spinal fixationDillon, Owen Thomas; Kanawati, Andrew J; Reynolds, Tess;
Andrew Kanawati2025Developing a physiological carotid artery phantom and verifying a bayesian geometric calibration method for extended field-of-view interventional CBCT artery imagingDillon, Owen Thomas; Alzaabi, Mohammed; Yan, Ann; Johnson, Julia; Kanawati, Andrew J; Reynolds, Tess;
Andrew Kanawati2025Developing 3D-printed synthetic vertebrae with realistic surgical haptic feedback and biomechanical propertiesDuncan, Chloe; Kanawati, Andrew J; Malek, Peter; Reynolds, Tess;
Andrew Kanawati2025Developing 3D-Printed Synthetic Vertebrae with Realistic Surgical Haptic Feedback and Biomechanical Properties: SU-330-GPD-D-93Medical Physics5210e7005982-e7005983Duncan, C; Kanawati, A; Malek, P; Reynolds, T;
Andrew Kanawati2025Twin Table-Tilt Imaging: Rapid Metal Artefact Reduction Intraoperative CBCT Imaging during Pedicle Screw Spinal Fixation: TU-330-BRP-13Medical Physics5210e70059539Dillon, OT; Kanawati, A; Reynolds, T;
Randolph Gray2024Post-Traumatic Longitudinal Atlanto-Occipital Dissociation without Neurodeficits Treated with Visor (Head-Neck-Chest) Orthosis – A Rare Case Report and Review of the LiteratureJournal of Orthopaedic Case Reports1412202-207Sakhrekar, R.; Keane, C.; Woo, E.; et al.
Randolph Gray2024Lumbar intervertebral disc replacement in Australia: An epidemiological studyJournal of Craniovertebral Junction and Spine153338-342Dragan, Z.; George, A.; Campbell, R.J.; et al.
Randolph Gray2024Philosophies and Surgical Techniques for Ewing’s Sarcoma of Spine with Review of LiteratureJournal of Orthopaedic Case Reports143168-175Gray, R.
Randolph Gray2024C1-C2 sublaminar taping for displaced odontoid synchondrosis fracture in an infant: A case report and novel surgical techniqueJournal of Craniovertebral Junction and Spine151127-130Campbell, R.J.; Yasutomi, M.; Nicholls, S.; et al.
Randolph Gray2024Philosophies and Surgical Techniques for Ewing’s Sarcoma of Spine with Review of LiteratureJournal of Orthopaedic Case Reports143168-175Sakhrekar, R.; Iorio, C.; Yoon, S.; et al.
Randolph Gray2024Interdisciplinary Neurosurgery: Advanced Techniques and Case ManagementTsinas, D.; Imani, S.; Harden, M.; Gray, R.
Andrew Kanawati2024Biomechanical comparison of subsidence between patient-specific and non-patient-specific lumbar interbody fusion cagesGlobal Spine Journal1441155-1163Fernandes, Renan JR; Gee, Aaron; Kanawati, Andrew J; Siddiqi, Fawaz; Rasoulinejad, Parham; Zdero, Radovan; Bailey, Christopher S;
Andrew Kanawati2024Developing the low-cost 3D-printed synthetic spines for surgical training and simulationDuncan, Chloe; Kanawati, Andrew J; Reynolds, Tess;
Andrew Kanawati2024Universal non-circular cone beam CT orbits for metal artifact reduction imaging during image-guided proceduresScientific reports14126274Reynolds, Tess; Ma, Yiqun; Kanawati, Andrew; Dillon, Owen; Baer, Kenzie; Gang, Grace; Stayman, Joseph;
Randolph Gray2023Thoracic wall reconstruction using a 3D-printed prosthesis with hinged fixation to the vertebral column: A case report and technical noteInterdisciplinary Neurosurgery36101867Tsinas, D.; Imani, S.; Harden, M.; Gray, R.
Randolph Gray2023Surgical Management and Denosumab for Aneurysmal Bone Cysts of the Spine in an Australian Tertiary Paediatric CentreCalcified Tissue International1125592-602Vanderniet, J.; Tsinas, D.; Wall, C.; et al.
Andrew Kanawati2023Early versus delayed microdiscectomy for chronic sciatica lasting 4–12 months secondary to lumbar disc herniation: a secondary analysis of a randomized controlled trialGlobal Spine Journal1371856-1864Bailey, Christopher S; Glennie, Andrew; Rasoulinejad, Parham; Kanawati, Andrew; Taylor, David; Sequeira, Keith; Miller, Thomas; Watson, Jim; Rosedale, Richard; Bailey, Stewart I;
Andrew Kanawati2023Iron-induced Hypophosphatemic Osteomalacia—An Atypical Case of Bilateral Femoral Stress FracturesJAAOS Global Research & Reviews75e22Kancherla, Kiran; Constantin, Harry; Kanawati, Andrew; Graham, Edward;
Randolph Gray2022The impact of COVID-19 on spinal cord injuries and trauma at a tertiary referral centre in SydneyJournal of Spine Surgery84418-425Probert, A.C.; McKinnon, L.S.; Jiang, E.; et al.
Andrew Kanawati2022Accuracy of patient-specific drill guide template for bilateral C1-C2 laminar screw placement: a cadaveric studyWorld Neurosurgery162e225-e234Fernandes, Renan JR; Gee, Aaron; Schneider, Nicole; Kanawati, Andrew J; Bailey, Christopher S; Rasoulinejad, Parham;
Andrew Kanawati2022Generating patient‐matched 3D‐printed pedicle screw and laminectomy drill guides from Cone Beam CT images: Studies in ovine and porcine cadaversMedical Physics4974642-4652Kanawati, Andrew; Constantinidis, Alex; Williams, Zoe; O'Brien, Ricky; Reynolds, Tess;
Andrew Kanawati2022Extended intraoperative longitudinal 3-dimensional cone beam computed tomography imaging with a continuous multi-turn reverse helical scanInvestigative radiology5711764-772Reynolds, Tess; Ma, Yiqun Q; Kanawati, Andrew J; Constantinidis, Alex; Williams, Zoe; Gang, Grace; Dillon, Owen; Russ, Tom; Wang, Wenying; Ehtiati, Tina;
Andrew Kanawati2022Evaluation of the contact surface between vertebral endplate and 3D printed patient-specific cage vs commercial cageScientific Reports12112505Fernandes, Renan Jose Rodrigues; Gee, Aaron; Kanawati, Andrew James; Siddiqi, Fawaz; Rasoulinejad, Parham; Zdero, Radovan; Bailey, Christopher Stewart;
Andrew Kanawati2022Continuous Dual-Isocenter Imaging: Simultaneously Extending the Longitudinal and Lateral Intraoperative 3D CBCT Field-Of-View for Assessing Musculoskeletal TraumaMEDICAL PHYSICS496E601-E602Reynolds, T; Hatamikia, S; Dillon, O; Ma, Y; Kanawati, A; Stayman, J; O'Brien, R;
Andrew Kanawati2022Rates, Predictive Factors, and Adverse Outcomes of Fusion Surgery for Lumbar Degenerative Disorders in Ontario, Canada, Between 2006 and 2015: A Retrospective Cohort StudyWorld Neurosurgery168e196-e205Blackett, James; McClure, J Andrew; Kanawati, Andrew; Welk, Blayne; Vogt, Kelly; Vinden, Chris; Rasoulinejad, Parham; Bailey, Christopher S;
Andrew Kanawati2022Extended intraoperative longitudinal 3D CBCT imaging with a continuous multi-turn reverse helical scanInvestigative radiology5711764Reynolds, Tess; Ma, Yiqun Q; Kanawati, Andrew J; Constantinidis, Alex; Williams, Zoe; Gang, Grace; Dillon, Owen; Russ, Tom; Wang, Wenying; Ehtiati, T;
Andrew Kanawati2022Andrew J. KanawatiKanawati, Andrew J;
Randolph Gray20213D printed models can guide safe halo pin placement in patients with diastrophic dysplasiaSpine Deformity93841-849Sidhu, V.; Cheng, T.; Lillia, J.; et al.
Andrew Kanawati2021Geometric and volumetric relationship between human lumbar vertebra and CT-based modelsAcademic Radiology286e172-e181Kanawati, Andrew; Fernandes, Renan Jose Rodrigues; Gee, Aaron; Urquhart, Jennifer; Siddiqi, Fawaz; Gurr, Kevin; Bailey, Chris; Rasoulinejad, Parham;
Andrew Kanawati2021Anatomical relationship between the accessory process of the lumbar spine and the pedicle screw entry pointClinical Anatomy341121-127Kanawati, Andrew J; Fernandes, Renan JR; Gee, Aaron; Urquhart, Jennifer; Rasoulinejad, Parham; S Bailey, Chris;
Andrew Kanawati2021Geometric and volumetric relationship between human lumbar vertebrae and “Black‐bone” MRI‐based modelsThe International Journal of Medical Robotics and Computer Assisted Surgery172e2220Kanawati, Andrew; Rodrigues Fernandes, Renan Jose; Gee, Aaron; Urquhart, Jennifer; Bailey, Chris; Rasoulinejad, Parham;
Andrew Kanawati2021The development of novel 2-in-1 patient-specific, 3D-printed laminectomy guides with integrated pedicle screw drill guidesWorld Neurosurgery149e821-e827Kanawati, Andrew; Fernandes, Renan Jose Rodrigues; Gee, Aaron; Urquhart, Jennifer; Siddiqi, Fawaz; Gurr, Kevin; Bailey, Christopher S; Rasoulinejad, Parham;
Andrew Kanawati2021Biomechanical comparison of 3 types of transdiscal fixation implants for fixing high-grade L5/S1 spine spondylolisthesisThe Spine Journal2191587-1593Kerr, Hui-Ling; Gee, Aaron; Fernandes, Renan JR; Kanawati, Andrew J; Jin, Winston; Gurr, Kevin R; Bailey, Christopher S; Zdero, Radovan; Rasoulinejad, Parham;
Andrew Kanawati20213D printed composite model of pelvic osteochondroma and nerve roots3D Printing in Medicine7131Fox, Olivia; Kanawati, Andrew;
Andrew Kanawati2021Discectomy compared with standardized nonoperative care for chronic sciatica due to a lumbar disc herniation: a secondary analysis of a randomized controlled trial with 2-year follow-upJBJS103232161-2169Bailey, Christopher S; Glennie, Andrew; Rasoulinejad, Parham; Kanawati, Andrew; Taylor, David; Sequeira, Keith; Miller, Thomas; Watson, Jim; Rosedale, Richard; Bailey, Stewart I;
Joel Steiner2021Spinal trauma and deformity research (co-author contributions)Various (multi-author studies)Steiner JI et al.
Andrew Kanawati2020Utility of 3-D printing for cardiac resynchronization device implantation in congenital heart diseaseHeartRhythm Case Reports610754-756Kanawati, Juliana; Kanawati, Andrew J; Rowe, Matthew K; Khan, Habib; Chan, William K; Yee, Raymond;
Andrew Kanawati2020The of Application of 3D-Printing to Lumbar Spine SurgeryKanawati, Andrew J;
Joel Steiner2020Spinal tumour and complex spine surgery research contributionsVarious (multi-author studies)Steiner JI et al.
Randolph Gray2019Impact of Various Weights in the Intraoperative Skull-Skeletal Traction on Correction of Adolescent Idiopathic ScoliosisGlobal Spine Journal1081015-1021Kato, S.; Lewis, S.J.; Sharma, O.; et al.
Nathan Hartin2019Morbidity and mortality in cervical spine injuries in the elderlyANZ Journal of Surgery894412-417A.R. Bokhari; B. Sivakumar; A. Sefton; J.L. Lin; M.M. Smith; R. Gray; N. Hartin
Andrew Kanawati2019The change in position of the axillary nerve with rotation of the armClinical Anatomy322268-271Fox, Olivia; Lorentzos, Peter; Farhat, Moussa; Kanawati, Andrew;
Andrew Kanawati201919th Annual Scientific Conference of the Canadian Spine SocietyCan J Surg41York, Fairmont Royal;
Randolph Gray2018Morbidity and mortality in cervical spine injuries in the elderlyANZ Journal of Surgery894412-417Bokhari, A.R.; Sivakumar, B.; Sefton, A.; et al.
Andrew Kanawati2018Lunate–triquetral coalition in an Australian setting.ANZ Journal of Surgery884379-381Hinde, Yoshio Robert; Amali, Dylan; Kanawati, Andrew;
Andrew Kanawati2018The distance of the femoral neurovascular bundle from the hip joint: an intraoperative guide to reduce iatrogenic injuryJournal of Orthopaedic Surgery and Research131135Mehta, Cyrus R; Constantinidis, Alex; Farhat, Moussa; Suthersan, Mayuran; Graham, Edward; Kanawati, Andrew;
Andrew Kanawati2018Extensile lateral versus sinus tarsi approach for displaced, intra-articular calcaneal fractures: a meta-analysisJournal of orthopaedic surgery and research131243Mehta, Cyrus Rashid; An, Vincent VG; Phan, Kevin; Sivakumar, Brahman; Kanawati, Andrew J; Suthersan, Mayuran;
Randolph Gray2017Adult Degenerative Lumbar ScoliosisOrthopedics406Wong, E.H.; Altaf, F.; Oh, L.; Gray, R.
Randolph Gray2017A minimally invasive surgical technique for the management of U-shape sacral fracturesSpinal Cord Series and Cases31Gray, R.; Molnar, R.; Suthersan, M.
Randolph Gray2017Occult subaxial cervical disco-ligamentous injuries in computer tomography negative trauma patientsEuropean Spine Journal2641277-1283Lin, J.L.; Samuel, S.; Gray, R.; et al.
Nathan Hartin2017Occult subaxial cervical disco-ligamentous injuries in computer tomography negative trauma patientsEuropean Spine Journal2641277-1283J.L. Lin; S. Samuel; R. Gray; S. Ruff; C. Vasili; A. Cree; N. Hartin
Andrew Kanawati2017Iatrogenic patellar tendon deficiency treated with rectus femoris tendon turndown autograft.ANZ Journal of Surgery879739-740Kanawati, Andrew James; Stening, Michael;
Andrew Kanawati2017Position of the sciatic nerve and effect of gluteus maximus release during hip arthroplastyJ Orthop142281–286Andrew J. Kanawati, Rajpal Narulla, Peter Lorentzos, Edward Graham;
Andrew Kanawati2016Safe zone for the superficial femoral artery demonstrated on computed tomography angiographyInjury473748-751Narulla, Rajpal S; Kanawati, Andrew J;
Andrew Kanawati2016The distance of the common peroneal nerve to the posterolateral structures of the kneeThe Journal of arthroplasty31122907-2911Jenkins, Michael J; Farhat, Moussa; Hwang, Peter; Kanawati, Andrew J; Graham, Edward;
Randolph Gray2015Animal models of scoliosisJournal of Orthopaedic Research334458-467Bobyn, J.D.; Little, D.G.; Gray, R.; Schindeler, A.
Nathan Hartin2015Subaxial injury classification scoring system treatment recommendations: external agreement study based on retrospective review of 185 patientsSpine403137-142S. Samuel; J.L. Lin; M.M. Smith; N.L. Hartin; C. Vasili; S.J. Ruff; A.K. Cree; J.R. Ball; I.G. Sergides; R. Gray
Andrew Kanawati2015The change in position of the sciatic nerve during the posterior approach to the hipThe bone & joint journal9781056-1062Kanawati, AJ; Narulla, RS; Lorentzos, P; Facchetti, G; Smith, A; Stewart, F;
Randolph Gray2014Subaxial Injury Classification Scoring System Treatment Recommendations: External Agreement Study Based on Retrospective Review of 185 PatientsSpine403137-142Samuel, S.; Lin, J.L.; Smith, M.M.; et al.
Randolph Gray2014Subaxial Injury Classification (SLIC) Scoring System Treatment Recommendations for Cervical Spine Trauma: Retrospective Review of 193 PatientsThe Spine Journal403137-142Samuel, S.; Lin, J.L.; Smith, M.M.; et al.
Randolph Gray2014Subaxial Injury Classification Treatment Recommendations for Unilateral Isolated or Minimally Displaced Cervical Facet Fractures: Retrospective Review of 33 PatientsSpine Society of Australia Annual Scientific MeetingSamuel, S.; Lin, J.L.; Hartin, N.; et al.
Randolph Gray2014Epidemiology and Risk Factors of Cervical Spine Injuries in New South Wales: A Four-Year Retrospective StudySpine Society of Australia Annual Scientific MeetingSamuel, S.; Lin, J.L.; Hartin, N.; et al.
Nathan Hartin2014Subaxial Injury Classification (SLIC) Scoring System Treatment Recommendations for Cervical Spine Trauma: Retrospective Review of 193 PatientsThe Spine Journal1411 Suppl.137-142S. Samuel; J.-L. Lin; M.M. Smith; N. Hartin; A. Cree; C. Vasili; R. Gray
Andrew Kanawati2014The influence of entry point and radius of curvature on femoral intramedullary nail position in the distal femurJournal of Orthopaedics11268-71Kanawati, Andrew J; Jang, Bob; McGee, Richard; Sungaran, Jai;
Andrew Kanawati2014Variations of the sciatic nerve anatomy and blood supply in the gluteal region: a review of the literatureANZ Journal of Surgery8411816-819Kanawati, Andrew James;
Nathan Hartin2013Fusion risk score: evaluating baseline risk in thoracic and lumbar fusion surgerySpine3825E1616-E1623N.L. Hartin; A.A. Mehbod; S.B. Joglekar; E.E. Transfeldt
Sean Suttor2013Operative treatment of chance injuries in the paediatric populationEuropean Spine Journal223510-514Suttor, S.; Gray, R.; Bridge, C.; Cree, A.
Andrew Kanawati2013Laser etching causing fatigue fracture at the neck–shoulder junction of an uncemented femoral stem: A case reportJournal of Orthopaedics10295-98Jang, Bob; Kanawati, Andrew; Brazil, Declan; Bruce, Warwick;
Randolph Gray2012Operative treatment of chance injuries in the paediatric populationEuropean Spine Journal223510-514Suttor, S.; Gray, R.; Bridge, C.; Cree, A.
Randolph Gray2012Fusion versus conservative management for low-grade isthmic spondylolisthesisCochrane Database of Systematic ReviewsSamuel, S.; David, K.; Gray, R.; Tharyan, P.
Andrew Kanawati2012Non-Union Of Fractured Distal Radius Treated With A Volar Locking Plate: A Case ReportThe Internet Journal of Orthopedic Surgery192Rappo, TB; Kanawati, AJ;
Randolph Gray2011Surgical Treatment Modalities for Cervical Stenosis: Central Cord Syndrome and Other Spinal Cord Injuries in the ElderlyThe Comprehensive Treatment of the Aging Spine160-163Fehlings, M.G.; Gray, R.
Randolph Gray2011Neurophysiological Changes in Deformity Correction of Adolescent Idiopathic Scoliosis with Intra-Operative Skull-Femoral TractionSpine910159SLewis, S.J.; Gray, R.; Holmes, L.M.; et al.
Randolph Gray2011Cost-utility analysis of posterior minimally invasive fusion compared with conventional open fusion for lumbar spondylolisthesisSAS Journal5229-35Rampersaud, R.; Gray, R.; Lewis, S.J.; et al.
Randolph Gray2010Comparison of the Incidence of Radiculitis and Radiographic Adverse Event Following Minimally Invasive Lumbar Transforaminal Interbody Fusions (TLIF) with and without the Use of Bone Morphogenetic Protein (BMP)The Spine Journal109S8-S9Gray, R.
Randolph Gray2010Technique of Reverse Smith Petersen Osteotomy (RSPO) in a Patient With Fixed Lumbar Hyperlordosis and Negative Sagittal ImbalanceSpine3515E721-E725Lewis, S.J.; Gray, R.; David, K.; et al.
Randolph Gray2010A Technique of Anterior Screw Removal Through a Posterior Costotransversectomy Approach for Posterior-Based OsteotomiesSpine3511E471-E474Lewis, S.J.; David, K.; Singer, S.; et al.
Andrew Kanawati2010Avulsion fracture of the tibial tubercle in an adult treated with tension-band wiring: a case reportInternet J Orthop Surg1811-AprKanawati, AJ; Lorentzos, P;
Randolph Gray2009Importance of sagittal balance in determining the outcome of anterior versus posterior surgery for cervical spondylotic myelopathyJournal of Neurosurgery: Spine115518-519Fehlings, M.G.; Gray, R.
Randolph Gray2009Direct Economic Impact of Posterior Minimally Invasive Decompression and Fusion Compared to Conventional Open for SpondylolisthesisThe Spine Journal91048SGray, R.; Fehlings, M.G.; Massicotte, E.M.; et al.
Randolph Gray2009Translaminar versus Pedicle Screw Fixation of C2: Comparison of Surgical Morbidity and Accuracy of 313 Consecutive ScrewsNeurosurgery645ons343-ons349Resnick, D.K.; Wang, M.Y.; Benzel, E.C.; et al.
Randolph Gray2009Posterior cervical foraminotomy for the treatment of cervical radiculopathyJournal of Neurosurgery: Spine104343-344Fehlings, M.G.; Gray, R.
Andrew Kanawati2006A COMPARISON OF VASCULAR CLOSURE STAPLE (VCS) DEVICE AND SUTURE TECHNIQUE IN MICROVASCVULAR ANASTOMOSES IN FREE FLAP SURGERY: PR029ANZ Journal of Surgery76A62PENNINGTON, DG; MONCRIEFF, NJ; KANAWATI, A; STERN, HS;
Randolph Gray2005Lower limb compartment syndrome arising from fulminant Streptococcal sepsisANZ Journal of Surgery758728-729Wong, K.; Nicholson, D.J.; Gray, R.
Randolph Gray2005Multiple Carpometacarpal Dislocations and an Ipsilateral Scapho-Trapezium-Trapezoid Fracture-Dislocation: A Rare Pattern of InjuryJournal of Orthopaedic Surgery (Hong Kong)122267-269Kirkham, S.G.; Gray, R.