By Conjoint Professor Samuel John MacDessi

Journal articles

Moore J; Van de Graaf VA; Wood JA; Chen DB; MacDessi SJ, 2025, 'In functionally aligned total knee arthroplasty, femoral component rotation follows the transepicondylar axis to achieve flexion balance', Knee Surgery Sports Traumatology Arthroscopy, 33, pp. 1784 - 1791, http://dx.doi.org/10.1002/ksa.12590

Leong BJ; Corbett J; Chen DB; Kirsh G; Leong AKL; Wood JA; Diwan AD; Wernecke GC; Harris IA; MacDessi SJ, 2025, 'Kinematic alignment achieves a tibial joint line angle that is more parallel to the floor in single-leg stance than mechanical alignment', Bone and Joint Journal, 107 B, pp. 413 - 422, http://dx.doi.org/10.1302/0301-620X.107B4.BJJ-2024-0204.R3

Macdessi SJ; Wernecke GC; Bastiras D; Ghadirinejad K; Harries D; Cashman K; Heath E; Lorimer M; Holder C; Harris IA, 2025, 'Statistical analysis plan for the Robotic-Assisted Surgery and Kinematic ALignment in total knee arthroplasty (RASKAL) registry-nested randomized trial', Bone and Joint Open, 6, pp. 352 - 360, http://dx.doi.org/10.1302/2633-1462.63.BJO-2024-0206

Kim SE; Macdessi S; Song D; Kim JI; Choi BS; Han HS; Ro DH, 2025, 'Coronal Plane Alignment of the Knee (CPAK) Type Shifts Toward Constitutional Varus with Increasing Kellgren and Lawrence Grade: A Radiographic Analysis of 17,365 Knees', Journal of Bone and Joint Surgery, 107, pp. 297 - 303, http://dx.doi.org/10.2106/JBJS.24.00316

Farey JE; Chew J; Wood JA; Chen DB; MacDessi SJ, 2025, 'Does Femoral Component Rotation Matter in Functionally Aligned Total Knee Arthroplasty? The Effect of Deviations From the Transepicondylar Axis on Patient-Reported Outcomes at 1 Year', Journal of Knee Surgery, http://dx.doi.org/10.1055/a-2693-0881

Corbett JA; Chen DB; Gallie P; Leong A; Mulford JS; Penn D; Wood JA; Macdessi SJ, 2025, 'How reliable are surgeons at assessing soft-tissue laxities in robotic arm-assisted total knee arthroplasty? A prospective, multicentre surgeon-blinded study', Bone and Joint Open, 6, pp. 1044 - 1052, http://dx.doi.org/10.1302/2633-1462.69.BJO-2025-0073.R1

Chen DB; Wood JA; Griffiths-Jones W; Bellemans J; Haddad FS; MacDessi SJ, 2024, 'Considerations of morphometry and phenotypes in modern knee arthroplasty THE SHAPE OF THINGS TO COME', Bone and Joint Journal, 106-B, pp. 1363 - 1368, http://dx.doi.org/10.1302/0301-620X.106B12.BJJ-2023-1269.R1

Moore J; van de Graaf VA; Wood JA; Humburg P; Colyn W; Bellemans J; Chen DB; Macdessi SJ, 2024, 'Windswept deformity of the knee: prevalence and predictive factors in osteoarthritic and healthy populations', Bone and Joint Open, 5, pp. 879 - 885, http://dx.doi.org/10.1302/2633-1462.510.BJO-2024-0128

van de Graaf VA; Shen TS; Wood JA; Chen DB; Macdessi SJ, 2024, 'Addressing sagittal plane imbalance in primary total knee arthroplasty functional alignment outperforms kinematic and mechanical alignment techniques', Bone and Joint Open, 5, pp. 681 - 687, http://dx.doi.org/10.1302/2633-1462.58.BJO-2024-0040.R1

Vendittoli PA; Beckers G; Massé V; de Grave PW; Ganapathi M; MacDessi SJ, 2024, 'Why we should use boundaries for personalised knee arthroplasty and the lack of evidence for unrestricted kinematic alignment', Knee Surgery Sports Traumatology Arthroscopy, 32, pp. 1917 - 1922, http://dx.doi.org/10.1002/ksa.12266

Harris IA; Sidhu VS; MacDessi SJ; Solomon M; Haddad FS, 2024, 'Aspirin for thromboembolic prophylaxis', Bone and Joint Journal, 106 B, pp. 642 - 645, http://dx.doi.org/10.1302/0301-620X.106B7.BJJ-2024-0621

MacDessi SJ; van de Graaf VA; Wood JA; Griffiths-Jones W; Bellemans J; Chen DB, 2024, 'ANNOTATION Not all knees are the same USING THE CORONAL PLANE ALIGNMENT OF THE KNEE (CPAK) CLASSIFICATION TO UNDERSTAND IMBALANCE IN MECHANICALLY ALIGNED TOTAL KNEE ARTHROPLASTY', Bone and Joint Journal, 106 B, pp. 525 - 531, http://dx.doi.org/10.1302/0301-620X.106B6.BJJ-2023-1292.R1

Sidhu V; Kelly TL; Pratt N; Graves SE; Buchbinder R; Adie S; Cashman K; Ackerman IN; Bastiras D; Brighton R; Burns AWR; Chong BH; Jentz H; Cripps M; Dekkers M; de Steiger R; Dixon M; Ellis A; Griffith EC; Hale D; Hansen A; Harris A; Hau R; Horsley M; James D; Khorshid O; Kuo L; Lewis P; Lieu D; Lorimer M; Macdessi S; McCombe P; McDougall C; Mulford J; Naylor JM; Page RS; Radovanovic J; Solomon M; Sorial R; Summersell P; Tran P; Walter WL; Webb S; Wilson C; Wysocki D; Harris IA, 2024, 'Aspirin or enoxaparin for VTE prophylaxis after primary partial, total or revision hip or knee arthroplasty: A secondary analysis from the CRISTAL cluster randomized trial', Plos One, 19, http://dx.doi.org/10.1371/journal.pone.0298152

Corbett J; Sinha P; Esposito CI; Wood JA; Chen DB; MacDessi SJ, 2024, 'Multi-Planar Expansion of the Coronal Plane Alignment of the Knee Classification? A Computed Tomographic Study Indicates No Significant Correlation With Alignment Parameters in Other Planes', Journal of Arthroplasty, 39, pp. 336 - 342, http://dx.doi.org/10.1016/j.arth.2023.08.033

van de Graaf VA; Clark GW; Collopy D; Wood JA; Chen DB; Macdessi SJ, 2024, 'Functional alignment minimizes changes to joint line obliquity in robotic-assisted total knee arthroplasty: a CT analysis of functional versus kinematic alignment in 2,116 knees using the Coronal Plane Alignment of the Knee (CPAK) classification', Bone and Joint Open, 5, pp. 1081 - 1091, http://dx.doi.org/10.1302/2633-1462.512.BJO-2024-0160.R1

Corban LE; van de Graaf VA; Chen DB; Wood JA; Diwan AD; Macdessi SJ, 2024, 'How often do we alter constitutional limb alignment, joint line obliquity, and Coronal Plane Alignment of the Knee (CPAK) phenotype when performing mechanically aligned TKA? A large single-institution retrospective radiological analysis', Bone and Joint Open, 5, pp. 109 - 116, http://dx.doi.org/10.1302/2633-1462.52.BJO-2023-0122

Harris IA; Sidhu VS; MacDessi SJ; Solomon M; Haddad FS, 2024, 'Aspirin for thromboembolic prophylaxis EMERGING FROM THE UNCERTAIN WORLD OF OBSERVATIONAL EVIDENCE', BONE & JOINT JOURNAL, 106B, pp. 642 - 645, http://dx.doi.org/10.1302/0301-620X.106B7.BJ-2024-0621

Van de Graaf VA; Chen DB; Allom RJ; Wood JA; MacDessi SJ, 2023, 'Functional alignment in total knee arthroplasty best achieves balanced gaps and minimal bone resections: an analysis comparing mechanical, kinematic and functional alignment strategies', Knee Surgery Sports Traumatology Arthroscopy, 31, pp. 5118 - 5127, http://dx.doi.org/10.1007/s00167-023-07567-w

Tarassoli P; Corban LE; Wood JA; Sergis A; Chen DB; MacDessi SJ, 2023, 'Long leg radiographs underestimate the degree of constitutional varus limb alignment and joint line obliquity in comparison with computed tomography: a radiographic study', Knee Surgery Sports Traumatology Arthroscopy, 31, pp. 4755 - 4765, http://dx.doi.org/10.1007/s00167-023-07505-w

Pagan CA; Karasavvidis T; Lebrun DG; Jang SJ; MacDessi SJ; Vigdorchik JM, 2023, 'Geographic Variation in Knee Phenotypes Based on the Coronal Plane Alignment of the Knee Classification: A Systematic Review', Journal of Arthroplasty, 38, pp. 1892 - 1899.e1, http://dx.doi.org/10.1016/j.arth.2023.03.047

Sidhu VS; Kelly TL; Pratt N; Graves SE; Buchbinder R; Adie S; Cashman K; Ackerman IN; Bastiras D; Brighton R; Burns AWR; Chong BH; Clavisi O; Cripps M; Dekkers M; De Steiger R; Dixon M; Ellis A; Griffith EC; Hale D; Hansen A; Harris A; Hau R; Horsley M; James D; Khorshid O; Kuo L; Lewis PL; Lieu D; Lorimer M; Macdessi SJ; McCombe P; McDougall C; Mulford J; Naylor JM; Page RS; Radovanovic J; Solomon M; Sorial R; Summersell P; Tran P; Walter WL; Webb S; Wilson C; Wysocki D; Harris IA, 2023, 'Effect of Aspirin vs Enoxaparin on 90-Day Mortality in Patients Undergoing Hip or Knee Arthroplasty: A Secondary Analysis of the CRISTAL Cluster Randomized Trial', JAMA Network Open, 6, pp. E2317838, http://dx.doi.org/10.1001/jamanetworkopen.2023.17838

MacDessi SJ; Oussedik S; Abdel MP; Victor J; Pagnano MW; Haddad FS, 2023, 'The language of knee alignment updated definitions and considerations for reporting outcomes in total knee arthroplasty', Bone and Joint Journal, 105 B, pp. 102 - 108, http://dx.doi.org/10.1302/0301-620X.105B2.BJJ-2022-1345

Gharaibeh MA; Tarassoli P; Chen DB; Wood JA; Beuzeville S; Quinn R; Harris IA; Macdessi SJ, 2023, 'Does Choice of Patellar Implant in Total Knee Arthroplasty Matter?: A Randomized Comparative Trial of 3 Commonly Used Designs', Journal of Bone and Joint Surgery, 105, pp. 145 - 156, http://dx.doi.org/10.2106/JBJS.22.00655

MacDessi SJ; Oussedik S; Abdel MP; Victor J; Pagnano MW; Haddad FS, 2023, 'The language of knee alignment : updated definitions and considerations for reporting outcomes in total knee arthroplasty.', Bone Joint J, 105-B, pp. 101, http://dx.doi.org/10.1302/0301-620X.105B2.BJJ-2023-00028

Cohen DA; Wood JA; Macdessi SJ, 2022, 'Sensor-guided Knee Balancing in Posterior-stabilized Total Knee Arthroplasty: A Surgical Description and Report of Medium-term Patient Outcomes', Techniques in Orthopaedics, 37, pp. 232 - 237, http://dx.doi.org/10.1097/BTO.0000000000000575

Tarassoli P; Wood JA; Chen DB; Griffiths-Jones W; Bellemans J; MacDessi SJ, 2022, 'Arithmetic hip-knee-ankle angle and stressed hip-knee-ankle angle: equivalent methods for estimating constitutional lower limb alignment in kinematically aligned total knee arthroplasty', Knee Surgery Sports Traumatology Arthroscopy, 30, pp. 2980 - 2990, http://dx.doi.org/10.1007/s00167-022-07038-8

MacDessi SJ; Allom RJ; Griffiths-Jones W; Chen DB; Wood JA; Bellemans J, 2022, 'The importance of joint line obliquity: a radiological analysis of restricted boundaries in normal knee phenotypes to inform surgical decision making in kinematically aligned total knee arthroplasty', Knee Surgery Sports Traumatology Arthroscopy, 30, pp. 2931 - 2940, http://dx.doi.org/10.1007/s00167-022-06872-0

Vendittoli PA; Rivière C; MacDessi S, 2022, 'The rebirth of computer-assisted surgery. Precise prosthetic implantation should be considered when targeting individualized alignment goals in total knee arthroplasty', Knee Surgery Sports Traumatology Arthroscopy, 30, pp. 2886 - 2889, http://dx.doi.org/10.1007/s00167-020-06295-9

Sidhu VS; Kelly TL; Pratt N; Graves SE; Buchbinder R; Adie S; Cashman K; Ackerman I; Bastiras D; Brighton R; Burns AWR; Chong BH; Clavisi O; Cripps M; Dekkers M; De Steiger R; Dixon M; Ellis A; Griffith EC; Hale D; Hansen A; Harris A; Hau R; Horsley M; James D; Khorshid O; Kuo L; Lewis P; Lieu D; Lorimer M; Macdessi S; McCombe P; McDougall C; Mulford J; Naylor JM; Page RS; Radovanovic J; Solomon M; Sorial R; Summersell P; Tran P; Walter WL; Webb S; Wilson C; Wysocki D; Harris IA, 2022, 'Effect of Aspirin vs Enoxaparin on Symptomatic Venous Thromboembolism in Patients Undergoing Hip or Knee Arthroplasty: The CRISTAL Randomized Trial', JAMA, 328, pp. 719 - 727, http://dx.doi.org/10.1001/jama.2022.13416

Sappey-Marinier E; Batailler C; Swan J; Schmidt A; Cheze L; MacDessi SJ; Servien E; Lustig S, 2022, 'Mechanical alignment for primary TKA may change both knee phenotype and joint line obliquity without influencing clinical outcomes: a study comparing restored and unrestored joint line obliquity', Knee Surgery Sports Traumatology Arthroscopy, 30, pp. 2806 - 2814, http://dx.doi.org/10.1007/s00167-021-06674-w

Macdessi SJ; Wernecke GC; Bastiras D; Hooper T; Heath E; Lorimer M; Harris I, 2022, 'Robotic-assisted surgery and kinematic alignment in total knee arthroplasty (RASKAL study): a protocol of a national registry-nested, multicentre, 2×2 factorial randomised trial assessing clinical, intraoperative, functional, radiographic and survivorship outcomes', BMJ Open, 12, http://dx.doi.org/10.1136/bmjopen-2021-051088

MacDessi SJ; Wood JA; Diwan A; Harris IA, 2022, 'Intraoperative pressure sensors improve soft-tissue balance but not clinical outcomes in total knee arthroplasty: a multicentre randomized controlled trial', Bone and Joint Journal, 104-B, pp. 604 - 612, http://dx.doi.org/10.1302/0301-620X.104B5.BJJ-2021-1299.R2

Allom RJ; Wood JA; Chen DB; MacDessi SJ, 2022, 'The Addition of Suture Tape to the Hamstring Graft Construct Does Not Reduce Instrumented Knee Laxity Following ACL Reconstruction', Arthroscopy Sports Medicine and Rehabilitation, 4, pp. e545 - e551, http://dx.doi.org/10.1016/j.asmr.2021.11.015

Allom RJ; Wood JA; Chen DB; Macdessi SJ, 2021, 'Tibiofemoral dynamic stressed gap laxities correlate with compartment load measurements in robotic arm-assisted total knee arthroplasty', Bone and Joint Open, 2, pp. 974 - 980, http://dx.doi.org/10.1302/2633-1462.211.BJO-2021-0066.R1

Ali SF; Gharaibeh MA; Wood JA; Chen DB; MacDessi SJ, 2021, 'No difference in clinical outcomes between portable navigation and conventional instrumentation in total knee arthroplasty: A randomised trial', ANZ Journal of Surgery, 91, pp. 1914 - 1918, http://dx.doi.org/10.1111/ans.17017

MacDessi SJ, 2021, 'Restricted Kinematic Alignment in Total Knee Arthroplasty: Scientific Exploration Involving Detailed Planning, Precise execution, and Knowledge of When to Abort', Arthroplasty Today, 10, pp. 24 - 26, http://dx.doi.org/10.1016/j.artd.2021.05.024

Griffiths-Jones W; Chen DB; Harris IA; Bellemans J; Macdessi SJ, 2021, 'Arithmetic hip-knee-ankle angle (aHKA): An algorithm for estimating constitutional lower limb alignment in the arthritic patient population', Bone and Joint Open, 2, pp. 351 - 358, http://dx.doi.org/10.1302/2633-1462.25.BJO-2021-0028.R1

MacDessi SJ; Griffiths-Jones W; Harris IA; Bellemans J; Chen DB, 2021, 'Coronal Plane Alignment of the Knee (CPAK) classification a new system for describing knee phenotypes', Bone and Joint Journal, 103 B, pp. 329 - 337, http://dx.doi.org/10.1302/0301-620X.103B2.BJJ-2020-1050.R1

MacDessi SJ; Cohen DA; Wood JA; Diwan AD; Harris IA, 2021, 'Does the Use of Intraoperative Pressure Sensors for Knee Balancing in Total Knee Arthroplasty Improve Clinical Outcomes? A Comparative Study With a Minimum Two-Year Follow-Up', Journal of Arthroplasty, 36, pp. 514 - 519, http://dx.doi.org/10.1016/j.arth.2020.08.025

MacDessi SJ; Wood JA; Diwan AD; Harris IA; Bhimani A; Burns AWR; Chen DB; Molnar RB; Mulford JS; Walker RM, 2021, 'Surgeon-defined assessment is a poor predictor of knee balance in total knee arthroplasty: a prospective, multicenter study', Knee Surgery Sports Traumatology Arthroscopy, 29, pp. 498 - 506, http://dx.doi.org/10.1007/s00167-020-05925-6

Kuo AW; Chen DB; Wood J; MacDessi SJ, 2020, 'Modern total knee arthroplasty designs do not reliably replicate anterior femoral morphology', Knee Surgery Sports Traumatology Arthroscopy, 28, pp. 2808 - 2815, http://dx.doi.org/10.1007/s00167-019-05610-3

Gharaibeh MA; Chen DB; Wood JA; MacDessi SJ, 2020, 'Characteristics of three different patellar implant designs in total knee arthroplasty', ANZ Journal of Surgery, 90, pp. 1303 - 1309, http://dx.doi.org/10.1111/ans.15988

Macdessi SJ; Griffiths-Jones W; Harris IA; Bellemans J; Chen DB, 2020, 'The arithmetic HKA (aHKA) predicts the constitutional alignment of the arthritic knee compared to the normal contralateral knee A matched-pairs radiographic study', Bone and Joint Open, 1, pp. 339 - 345, http://dx.doi.org/10.1302/2633-1462.17.BJO-2020-0037.R1

Thompson K; Griffiths-Jones W; Frendin L; Wood J; Harris IA; Chen DB; MacDessi SJ, 2020, 'Interobserver agreement of sensor-derived compartmental pressure measurements in computer-assisted total knee arthroplasty', Knee, 27, pp. 717 - 722, http://dx.doi.org/10.1016/j.knee.2020.02.023

Dan MJ; McMahon J; Parr WCH; Briggs N; MacDessi S; Caldwell B; Walsh WR, 2020, 'Sagittal patellar flexion angle: a novel clinically validated patellar height measurement reflecting patellofemoral kinematics useful throughout knee flexion', Knee Surgery Sports Traumatology Arthroscopy, 28, pp. 975 - 983, http://dx.doi.org/10.1007/s00167-019-05611-2

MacDessi SJ; Griffiths-Jones W; Chen DB; Griffiths-Jones S; Wood JA; Diwan AD; Harris IA, 2020, 'Restoring the constitutional alignment with a restrictive kinematic protocol improves quantitative soft-tissue balance in total knee arthroplasty: A randomized controlled trial', Bone and Joint Journal, 102, pp. 117 - 124, http://dx.doi.org/10.1302/0301-620X.102B1.BJJ-2019-0674.R2

MacDessi SJ; Griffiths-Jones W; Harris IA; Bellemans J; Chen DB, 2020, 'The arithmetic HKA (aHKA) predicts the constitutional alignment of the arthritic knee compared to the normal contralateral knee', Bone & Joint Open, 1, pp. 339 - 345, http://dx.doi.org/10.1302/2046-3758.17.bjo-2020-0037.r1

MacDessi SJ; Bhimani A; Burns AWR; Chen DB; Leong AKL; Molnar RB; Mulford JS; Walker RM; Harris IA; Diwan A; Wood JA, 2019, 'Does soft tissue balancing using intraoperative pressure sensors improve clinical outcomes in total knee arthroplasty? A protocol of a multicentre randomised controlled trial', BMJ Open, 9, pp. e027812, http://dx.doi.org/10.1136/bmjopen-2018-027812

MacDessi SJ; Gharaibeh MA; Harris IA, 2019, 'How Accurately Can Soft Tissue Balance Be Determined in Total Knee Arthroplasty?', Journal of Arthroplasty, 34, pp. 290 - 294.e1, http://dx.doi.org/10.1016/j.arth.2018.10.003

Gharaibeh MA; Monk E; Chen DB; MacDessi SJ, 2018, 'Evaluation of the patellofemoral joint in total knee arthroplasty: Validation of the weight bearing merchant radiographic view', Knee, 25, pp. 1262 - 1271, http://dx.doi.org/10.1016/j.knee.2018.08.009

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