1
|
Bousigues S, Gajny L, Skalli W, Ohl X, Tétreault P, Hagemeister N. Evaluation of a method to quantify posture and scapula position using biplanar radiography. Med Eng Phys 2024; 127:104167. [PMID: 38692766 DOI: 10.1016/j.medengphy.2024.104167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 03/26/2024] [Accepted: 04/10/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND Recent studies have stated the relevance of having new parameters to quantify the position and orientation of the scapula with patients standing upright. Although biplanar radiography can provide 3D reconstructions of the scapula and the spine, it is not yet possible to acquire these images with patients in the same position. METHODS Two pairs of images were acquired, one for the 3D reconstruction of the spine and ribcage and one for the 3D reconstruction of the scapula. Following 3D reconstructions, scapular alignment was performed in two stages, a coarse alignment based on manual annotations of landmarks on the clavicle and pelvis, and an adjusted alignment. Clinical parameters were computed: protraction, internal rotation, tilt and upward rotation. Reproducibility was assessed on an in vivo dataset of upright biplanar radiographs. Accuracy was assessed using supine cadaveric CT-scans and digitally reconstructed radiographs. FINDINGS The mean error was less than 2° for all clinical parameters, and the 95 % confidence interval for reproducibility ranged from 2.5° to 5.3°. INTERPRETATION The confidence intervals were lower than the variability measured between participants for the clinical parameters assessed, which indicates that this method has the potential to detect different patterns in pathological populations.
Collapse
Affiliation(s)
- S Bousigues
- Arts et Métiers, Institut de Biomécanique Humaine Georges Charpak, Paris, France.
| | - L Gajny
- Arts et Métiers, Institut de Biomécanique Humaine Georges Charpak, Paris, France
| | - W Skalli
- Arts et Métiers, Institut de Biomécanique Humaine Georges Charpak, Paris, France
| | - X Ohl
- Hôpital Maison Blanche, CHU de Reims, France
| | - P Tétreault
- Centre Hospitalier de l'Université de Montréal, Canada
| | - N Hagemeister
- Ecole de Technologie Supérieure, Laboratoire de recherche en Imagerie et Orthopédie, Montréal, Canada
| |
Collapse
|
2
|
Ameziane Y, Imiolczyk JP, Steinbeck J, Warnhoff M, Moroder P, Scheibel M. [Reverse Shoulder Arthroplasty - Current Concepts]. ZEITSCHRIFT FUR ORTHOPADIE UND UNFALLCHIRURGIE 2024; 162:211-228. [PMID: 38518806 DOI: 10.1055/a-2105-3147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
Due to first promising long term outcome data, reverse shoulder arthroplasty experienced an immense increase of usage during the past decade. Moreover, the initial Grammont concept has constantly been refined and adapted to current scientific findings. Therefore, clinical and radiological problems like scapular notching and postoperative instability were constantly addressed but do still remain an area of concern.This article summarises current concepts in reverse shoulder arthroplasty and gives an overview of actual indications like cuff tear arthropathy, severe osteoarthritis, proximal humerus fractures, tumours, fracture sequelae as well as revision surgery and their corresponding clinical and radiological results.
Collapse
|
3
|
Moroder P, Siegert P, Coifman I, Rüttershoff K, Spagna G, Scaini A, Weber B, Schneller T, Scheibel M, Audigé L. Scapulothoracic orientation has a significant influence on the clinical outcome after reverse total shoulder arthroplasty. J Shoulder Elbow Surg 2024:S1058-2746(24)00218-0. [PMID: 38537767 DOI: 10.1016/j.jse.2024.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 02/01/2024] [Accepted: 02/03/2024] [Indexed: 06/22/2024]
Abstract
BACKGROUND Computer simulation has indicated a significant effect of scapulothoracic orientation and posture on range of motion (ROM) after reverse total shoulder arthroplasty (RTSA). We analyzed this putative effect on the clinical and radiologic outcome post-RTSA. METHODS We retrospectively assessed 2-year follow-up data of RTSA patients treated at our clinic between 2008 and 2019. Patients were categorized into posture types A, B, and C based on an established method using scapular internal rotation on preoperative cross-sectional imaging. We compared differences in clinical ROM, pain, Subjective Shoulder Value, Constant Score, Shoulder Pain and Disability Index (SPADI), quality of life (EuroQol-5 Dimensions-5 Level utility index), and radiologic outcomes between posture types using linear regression analyses. RESULTS Of 681 included patients, 225 had type A posture, 326 type B, and 130 type C. Baseline group characteristics were comparable, although the type C group had a higher proportion of females (60% [A], 64% [B], 80% [C]) with lower abduction strength (0.7 kg [A], 0.6 kg [B], 0.3 kg [C]) and a slightly higher proportion with a Grammont design RTSA (41% [A], 48% [B], 54% [C]). There were significant adjusted differences in mean (±standard deviation) active flexion (A: 137° ± 21°; B: 136° ± 20°; C: 131° ± 19°) and passive flexion (A: 140° ± 19°; B: 138° ± 19°; C: 134° ± 18°), active (A: 127° ± 26°; B: 125° ± 26°; C: 117° ± 27°) and passive abduction (A: 129° ± 24°; B: 128° ± 25°; C: 121° ± 25°), SPADI (A: 81 ± 18; B: 79 ± 20; C: 73 ± 23), and pain (A: 1.2 ± 1.7; B: 1.6 ± 2.2; C: 1.8 ± 2.4) between posture types at 2 years (P ≤ .035). A higher distalization shoulder angle was associated with better abduction in type C patients (P = .016). Type C patients showed a trend toward a higher complication rate (3.9% vs. 1.1% [A], 3.2% [B]) (P = .067). CONCLUSIONS Type C posture influences the 2-year clinical outcome of RTSA patients in terms of worse flexion, abduction, SPADI, and pain. Scapulothoracic orientation and posture should be considered during the patient selection process, preoperative planning, and implantation of an RTSA.
Collapse
Affiliation(s)
- Philipp Moroder
- Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland
| | - Paul Siegert
- Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland; Orthopaedic Department, Orthopaedic Hospital Speising, Vienna, Austria.
| | - Ismael Coifman
- Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland
| | | | - Giovanni Spagna
- Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland
| | - Alessandra Scaini
- Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland
| | - Beatrice Weber
- Research and Development, Schulthess Clinic, Zurich, Switzerland
| | - Tim Schneller
- Research and Development, Schulthess Clinic, Zurich, Switzerland
| | - Markus Scheibel
- Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland; Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Laurent Audigé
- Research and Development, Schulthess Clinic, Zurich, Switzerland; University Hospital Basel, Basel, Switzerland
| |
Collapse
|
4
|
Macken AA, van der Poel WJ, Buijze GA, Beckers JJ, Eygendaal D, Lafosse L, Lafosse T. Reverse shoulder arthroplasty with a 155° neck-shaft angle inlay implant design without reattachment of the subscapularis tendon results in satisfactory functional internal rotation and no instability: a cohort study. J Orthop Traumatol 2024; 25:10. [PMID: 38418742 PMCID: PMC10902217 DOI: 10.1186/s10195-024-00755-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 02/08/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND The aim of this study was to use the Activities of Daily Living which require Internal Rotation (ADLIR) questionnaire to assess the functional internal rotation in patients who had undergone reverse shoulder arthroplasty (RSA) without reattachment of the subscapularis (SSc) tendon at a minimum follow-up of 2 years. The secondary aim was to report the objective range of motion (ROM) and the rate of postoperative instability. MATERIALS AND METHODS All consecutive primary RSA procedures without reattachment of the SSc tendon that were performed using a Delta Xtend prosthesis (an inlay system with a 155° neck-shaft angle) between January 2015 and December 2020 were identified to ensure a minimum follow-up of 2 years. Patients were contacted and requested to fill in several questionnaires, including the ADLIR and Auto-Constant scores. RESULTS In total, 210 patients met the inclusion criteria; among those patients, 187 could be contacted and 151 completed questionnaires (response rate: 81%). The SSc tendon was fully detached without repair in all cases, and a superolateral approach was used in 130 (86%) cases. The median follow-up was 4.5 years (range: 2.0-7.6). At final follow-up, the mean ADLIR score was 88/100 (interquartile range (IQR): 81-96). The median level reached in internal rotation was the 3rd lumbar vertebra (IQR: lumbosacral region-12th thoracic vertebra). Of the 210 eligible patients, one required a revision for a dislocation within the first month after primary surgery. With regards to regression analysis with ADLIR score as the outcome, none of the factors were associated with the ADLIR score, although age and smoking approached significance (0.0677 and 0.0594, respectively). None of the explanatory variables were associated with ROM in internal rotation (p > 0.05). CONCLUSIONS This study demonstrates that satisfactory ADLIR scores and internal rotation ROM were obtained at mid-term follow-up after RSA leaving the SSc detached. Leaving the SSc detached also did not lead to high instability rates; only one out of 210 prostheses was revised for dislocation within the first month after primary surgery. LEVEL OF EVIDENCE III
Collapse
Affiliation(s)
- Arno A Macken
- Alps Surgery Institute, 4 Chemin de La Tour de Reine, Clinique Générale d'Annecy, 74000, Annecy, France.
- Department of Orthopaedics and Sports Medicine, Erasmus Medical Centre, Doctor Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands.
| | - Wouter J van der Poel
- Alps Surgery Institute, 4 Chemin de La Tour de Reine, Clinique Générale d'Annecy, 74000, Annecy, France
- Department of Orthopaedics and Sports Medicine, Erasmus Medical Centre, Doctor Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - Geert A Buijze
- Alps Surgery Institute, 4 Chemin de La Tour de Reine, Clinique Générale d'Annecy, 74000, Annecy, France
- Department of Orthopaedic Surgery, Amsterdam UMC, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Department of Orthopaedic Surgery, Montpellier University Medical Center, Lapeyronie Hospital, University of Montpellier, 371 Avenue du Doyen Gaston Giraud, 34090, Montpellier, France
| | - Joris J Beckers
- Alps Surgery Institute, 4 Chemin de La Tour de Reine, Clinique Générale d'Annecy, 74000, Annecy, France
- Department of Orthopaedics and Traumatology, AZ Sint-Jan Hospital, Mariastraat 38, 8000, Brugge, Belgium
- Department of Orthopaedics and Traumatology, AZ Sint-Lucas Hospital, Sint-Lucaslaan 29, 8310, Brugge, Belgium
| | - Denise Eygendaal
- Department of Orthopaedics and Sports Medicine, Erasmus Medical Centre, Doctor Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands
| | - Laurent Lafosse
- Alps Surgery Institute, 4 Chemin de La Tour de Reine, Clinique Générale d'Annecy, 74000, Annecy, France
| | - Thibault Lafosse
- Alps Surgery Institute, 4 Chemin de La Tour de Reine, Clinique Générale d'Annecy, 74000, Annecy, France
| |
Collapse
|
5
|
Bousigues S, Gajny L, Abihssira S, Heidsieck C, Ohl X, Hagemeister N, Skalli W. 3D reconstruction of the scapula from biplanar X-rays for pose estimation and morphological analysis. Med Eng Phys 2023; 120:104043. [PMID: 37838397 DOI: 10.1016/j.medengphy.2023.104043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 08/25/2023] [Accepted: 08/25/2023] [Indexed: 10/16/2023]
Abstract
BACKGROUND Patient-specific scapular shape in functional posture can be highly relevant to clinical research. Biplanar radiography is a relevant modality for that purpose with already two existing assessment methods. However, they are either time-consuming or lack accuracy. The aim of this study was to propose a new, more user-friendly and accurate method to determine scapular shape. METHODS The proposed method relied on simplified manual inputs and an upgraded version of the first 3D estimate based on statistical inferences and Moving-Least Square (MLS) deformation of a template. Then, manual adjustments, with real-time MLS algorithm and contour matching adjustments with an adapted minimal path method, were added to improve the match between the projected 3D model and the radiographic contours. The accuracy and reproducibility of the method were assessed (with 6 and 12 subjects, respectively). FINDINGS The shape accuracy was in average under 2 mm (1.3 mm in the glenoid region). The reproducibility study on the clinical parameters found intra-observer 95% confidence intervals under 3 mm or 3° for all parameters, except for glenoid inclination and Critical Shoulder Angle, ranging between 3° and 6°. INTERPRETATION This method is a first step towards an accurate reconstruction of the scapula to assess clinical parameters in a functional posture. This can already be used in clinical research on non-pathologic bones to investigate the scapulothoracic joint in functional position.
Collapse
Affiliation(s)
- S Bousigues
- Arts et Metiers Institute of Technology, Institut de Biomecanique Humaine Georges Charpak, Paris, France; Laboratoire de recherche en imagerie et orthopédie, Centre de recherche du Centre hospitalier de l'Université de Montréal, Montréal, Canada.
| | - L Gajny
- Arts et Metiers Institute of Technology, Institut de Biomecanique Humaine Georges Charpak, Paris, France
| | - S Abihssira
- Arts et Metiers Institute of Technology, Institut de Biomecanique Humaine Georges Charpak, Paris, France; Hand, Upper Limb and Peripheral Nerve Surgery, Georges-Pompidou European Hospital APHP, France
| | - C Heidsieck
- Arts et Metiers Institute of Technology, Institut de Biomecanique Humaine Georges Charpak, Paris, France
| | - X Ohl
- Hospital Maison-Blanche, CHU de Reims, France
| | - N Hagemeister
- Ecole de Technologie Superieure, Montreal, Canada; Laboratoire de recherche en imagerie et orthopédie, Centre de recherche du Centre hospitalier de l'Université de Montréal, Montréal, Canada
| | - W Skalli
- Arts et Metiers Institute of Technology, Institut de Biomecanique Humaine Georges Charpak, Paris, France
| |
Collapse
|
6
|
Berhouet J, Samargandi R, Favard L, Turbillon C, Jacquot A, Gauci MO. The Real Post-Operative Range of Motion Differs from the Virtual Pre-Operative Planned Range of Motion in Reverse Shoulder Arthroplasty. J Pers Med 2023; 13:jpm13050765. [PMID: 37240935 DOI: 10.3390/jpm13050765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/21/2023] [Accepted: 04/26/2023] [Indexed: 05/28/2023] Open
Abstract
INTRODUCTION The purpose of this study was to analyze the real range of motion (RoM) measured in patients operated on for reverse shoulder arthroplasty (RSA) and compare it to the virtual RoM provided by the preoperative planning software. HYPOTHESIS There was a difference between virtual and real RoM, which can be explained by different factors, specifically the scapula-thoracic (ST) joint. METHODS Twenty patients with RSA were assessed at a minimum follow-up of 18 months. Passive RoM in forward elevation abduction, without and with manually locking the ST joint, and in external rotation with arm at side were recorded. The humerus, scapula, and implants were manually segmented on post-operative CTs. Post-operative bony structures were registered to preoperative bony elements. From this registration, a post-operative plan corresponding to the real post-operative implant positioning was generated and the corresponding virtual RoM analysis was recorded. On the post-operative anteroposterior X-rays and 2D-CT coronal planning view, the glenoid horizontal line angle (GH), the metaphyseal horizontal line angle (MH), and the gleno-metaphyseal angle (GMA) were measured to assess the extrinsic glenoid inclination, as well as the relative position of the humeral and glenoid components. RESULTS There were some significant differences between virtual and post-operative passive abduction and forward elevation, with (55° and 50°, p < 0.0001) or without ST joint participation (15° and 27°, p < 0.002). For external rotation with arm at side, there was no significant difference between planning (24° ± 26°) and post-operative clinical observation (19° ± 12°) (p = 0.38). For the angle measurements, the GMA was significantly higher (42.8° ± 15.2° vs. 29.1°± 18.2°, p < 0.0001), and the GH angle, significantly lower on the virtual planning (85.2° ± 8.8° vs. 99.5° ± 12.5°, p < 0.0001), while the MH was not different (p = 0.33). CONCLUSIONS The virtual RoM given by the planning software used in this study differs from the real post-operative passive RoM, except for external rotation. This can be explained by the lack of ST joint and soft tissues simulation. However, in focusing on the virtual GH participation, the simulation looks informative. Some modifications between the glenoid and humerus starting positions before running the motion analysis could be provided for making it more realistic and predictive of the RSA functional results. LEVEL OF EVIDENCE III.
Collapse
Affiliation(s)
- Julien Berhouet
- CHRU Trousseau Service d'Orthopédie Traumatologie, Faculté de Médecine de Tours, Université de Tours, 1C Avenue de la République, 37170 Tours, France
- Equipe Reconnaissance de Forme et Analyse de l'Image, Laboratoire d'Informatique Fondamentale et Appliquée de Tours EA6300, Ecole d'Ingénieurs Polytechnique Universitaire de Tours, Université de Tours, 64 Avenue Portalis, 37200 Tours, France
| | - Ramy Samargandi
- CHRU Trousseau Service d'Orthopédie Traumatologie, Faculté de Médecine de Tours, Université de Tours, 1C Avenue de la République, 37170 Tours, France
- Department of Orthopedic Surgery, Faculty of Medicine, University of Jeddah, Jeddah 23218, Saudi Arabia
| | - Luc Favard
- CHRU Trousseau Service d'Orthopédie Traumatologie, Faculté de Médecine de Tours, Université de Tours, 1C Avenue de la République, 37170 Tours, France
| | - Céline Turbillon
- CHRU Trousseau Service d'Orthopédie Traumatologie, Faculté de Médecine de Tours, Université de Tours, 1C Avenue de la République, 37170 Tours, France
| | - Adrien Jacquot
- Centre for Chirurgie des Articulations et du Sport (ARTICS), 24 rue du XXIème Régiment d'Aviation, 54000 Nancy, France
| | - Marc-Olivier Gauci
- Institut Locomoteur et du Sport, Hôpital Pasteur 2, 30 Voie Romaine, 06000 Nice, France
| |
Collapse
|
7
|
Siegert P, Meraner D, Pokorny-Olsen A, Akgün D, Korn G, Albrecht C, Hofstaetter JG, Moroder P. Practical considerations for determination of scapular internal rotation and its relevance in reverse total shoulder arthroplasty planning. J Orthop Surg Res 2023; 18:279. [PMID: 37020305 PMCID: PMC10077691 DOI: 10.1186/s13018-023-03762-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 03/29/2023] [Indexed: 04/07/2023] Open
Abstract
BACKGROUND Scapulothoracic orientation, especially scapular internal rotation (SIR) may influence range of motion in reverse total shoulder arthroplasty (RTSA) and is subjected to body posture. Clinical measurements of SIR rely on apical bony landmarks, which depend on changes in scapulothoracic orientation, while radiographic measurements are often limited by the restricted field of view (FOV) in CT scans. Therefore, the goal of this study was (1) to determine whether the use of CT scans with a limited FOV to measure SIR is reliable and (2) if a clinical measurement could be a valuable alternative. METHODS This anatomical study analyzed the whole-body CT scans of 100 shoulders in 50 patients (32 male and 18 female) with a mean age of 61.2 ± 20.1 years (range 18; 91). (1) CT scans were rendered into 3D models and SIR was determined as previously described. Results were compared to measurements taken in 2D CT scans with a limited FOV. (2) Three apical bony landmarks were defined: (the angulus acromii (AA), the midpoint between the AA and the coracoid process tip (C) and the acromioclavicular (AC) joint. The scapular axis was determined connecting the trigonum scapulae with these landmarks and referenced to the glenoid center. The measurements were repeated with 0°, 10°, 20°, 30° and 40° anterior scapular tilt. RESULTS Mean SIR was 44.8° ± 5.9° and 45.6° ± 6.6° in the 3D and 2D model, respectively (p < 0.371). Mean difference between the measurements was 0.8° ± 2.5° with a maximum of 10.5°. Midpoint AA/C showed no significant difference to the scapular axis at 0° (p = 0.203) as did the AC-joint at 10° anterior scapular tilt (p = 0.949). All other points showed a significant difference from the scapular axis at all degrees of tilt. CONCLUSION 2D CT scans are reliable to determine SIR, even if the spine is not depicted. Clinical measurements using apical superficial scapula landmarks are a possible alternative; however, anterior tilt influenced by posture alters measured SIR.
Collapse
Affiliation(s)
- Paul Siegert
- 1st Orthopaedic Department, Orthopaedic Hospital Speising, Speisinger Str. 109, 1130, Vienna, Austria.
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Speising, Vienna, Austria.
| | - Dominik Meraner
- 1st Orthopaedic Department, Orthopaedic Hospital Speising, Speisinger Str. 109, 1130, Vienna, Austria
| | - Alexandra Pokorny-Olsen
- 1st Orthopaedic Department, Orthopaedic Hospital Speising, Speisinger Str. 109, 1130, Vienna, Austria
| | - Doruk Akgün
- Department for Shoulder and Elbow Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Gundobert Korn
- Department of Orthopaedic and Traumasurgery, Paracelsus Medical University, Salzburg, Austria
| | - Christian Albrecht
- 1st Orthopaedic Department, Orthopaedic Hospital Speising, Speisinger Str. 109, 1130, Vienna, Austria
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Speising, Vienna, Austria
| | - Jochen G Hofstaetter
- Michael Ogon Laboratory for Orthopaedic Research, Orthopaedic Hospital Speising, Vienna, Austria
- 2nd Orthopaedic Department, Orthopaedic Hospital Speising, Vienna, Austria
| | - Philipp Moroder
- Department of Shoulder and Elbow Surgery, Schulthess Clinic, Zurich, Switzerland
| |
Collapse
|
8
|
Sulkar HJ, Aliaj K, Tashjian RZ, Chalmers PN, Foreman KB, Henninger HB. High and low performers in internal rotation after reverse total shoulder arthroplasty: a biplane fluoroscopic study. J Shoulder Elbow Surg 2023; 32:e133-e144. [PMID: 36343789 PMCID: PMC10023281 DOI: 10.1016/j.jse.2022.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/25/2022] [Accepted: 10/04/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Internal rotation in adduction is often limited after reverse total shoulder arthroplasty (rTSA), but the origins of this functional deficit are unclear. Few studies have directly compared individuals who can and cannot perform internal rotation in adduction. Little data on underlying 3D humerothoracic, scapulothoracic, and glenohumeral joint relationships in these patients are available. METHODS Individuals >1-year postoperative to rTSA were imaged with biplane fluoroscopy in resting neutral and internal rotation in adduction poses. Subjects could either perform internal rotation in adduction with their hand at T12 or higher (high, N = 7), or below the hip pocket (low, N = 8). Demographics, the American Shoulder and Elbow Surgeons score, Simple Shoulder Test, and scapular notching grade were recorded. Joint orientation angles were derived from model-based markerless tracking of the scapula and humerus relative to the torso. The 3D implant models were aligned to preoperative computed tomography models to evaluate bone-implant impingement. RESULTS The Simple Shoulder Test was highest in the high group (11 ± 1 vs. 9 ± 2, P = .019). Two subjects per group had scapular notching (grades 1 and 2), and 3 high group and 4 low group subjects had impingement below the glenoid. In the neutral pose, the scapula had 7° more upward rotation in the high group (P = .100), and the low group demonstrated 9° more posterior tilt (P = .017) and 14° more glenohumeral elevation (P = .047). In the internal rotation pose, axial rotation was >45° higher in the high group (P ≤ .008) and the low group again had 11° more glenohumeral elevation (P = .058). Large rotational differences within subject groups arose from a combination of differences in the resting neutral and maximum internal rotation in adduction poses, not only the terminal arm position. CONCLUSIONS Individuals who were able to perform high internal rotation in adduction after rTSA demonstrated differences in joint orientation and anatomic biases versus patients with low internal rotation. The high rotation group had 7° more resting scapular upward rotation and used a 15°-30° change in scapular tilt to perform internal rotation in adduction versus patients in the low group. The combination of altered resting scapular posture and restricted scapulothoracic range of motion could prohibit glenohumeral rotation required to reach internal rotation in adduction. In addition, inter-patient variation in humeral torsion may contribute substantially to postoperative internal rotation differences. These data point toward modifiable implant design and placement factors, as well as foci for physical therapy to strengthen and mobilize the scapula and glenohumeral joint in response to rTSA surgery.
Collapse
Affiliation(s)
- Hema J Sulkar
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
| | - Klevis Aliaj
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
| | - Robert Z Tashjian
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
| | - Peter N Chalmers
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA
| | - K Bo Foreman
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA; Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT, USA
| | - Heath B Henninger
- Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA.
| |
Collapse
|
9
|
Bauer S, Blakeney WG, Wang AW, Ernstbrunner L, Corbaz J, Werthel JD. Challenges for Optimization of Reverse Shoulder Arthroplasty Part II: Subacromial Space, Scapular Posture, Moment Arms and Muscle Tensioning. J Clin Med 2023; 12:1616. [PMID: 36836151 PMCID: PMC9958610 DOI: 10.3390/jcm12041616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/22/2023] Open
Abstract
In part II of this comprehensive review on the optimization of reverse shoulder arthroplasty (RSA), we focus on three other challenges: 1. "Conservation of sufficient subacromial and coracohumeral space"; 2. "Scapular posture"; and 3. "Moment arms and muscle tensioning". This paper follows a detailed review of the basic science and clinical literature of the challenges in part I: 1. "External rotation and extension" and 2. "Internal rotation". "Conservation of sufficient subacromial and coracohumeral space" and "Scapular posture" may have a significant impact on the passive and active function of RSA. Understanding the implications of "Moment arms and muscle tensioning" is essential to optimize active force generation and RSA performance. An awareness and understanding of the challenges of the optimization of RSA help surgeons prevent complications and improve RSA function and raise further research questions for ongoing study.
Collapse
Affiliation(s)
- Stefan Bauer
- Service d’Orthopédie et de Traumatologie, Chirurgie de l’Épaule, Ensemble Hospitalier de la Côte, 1110 Morges, Switzerland
- Medical School, University of Western Australia, 35 Sterling Highway, Perth, WA 6009, Australia
| | - William G. Blakeney
- Medical School, University of Western Australia, 35 Sterling Highway, Perth, WA 6009, Australia
- Department of Orthopaedic Surgery, Royal Perth Hospital, Perth, WA 6000, Australia
| | - Allan W. Wang
- Medical School, University of Western Australia, 35 Sterling Highway, Perth, WA 6009, Australia
| | - Lukas Ernstbrunner
- Department of Orthopaedic Surgery, Royal Melbourne Hospital, Parkville, VIC 3050, Australia
- Department of Biomedical Engineering, University of Melbourne, Parkville, Melbourne, VIC 3010, Australia
| | - Jocelyn Corbaz
- Service d’Orthopédie et de Traumatologie, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, Switzerland
| | - Jean-David Werthel
- Service d’Orthopédie et de Traumatologie, Hôpital Ambroise Paré, 9 Avenue Charles de Gaulle, 92100 Boulogne-Billancourt, France
| |
Collapse
|
10
|
Accuracy of Blueprint software in predicting range of motion 1 year after reverse total shoulder arthroplasty. J Shoulder Elbow Surg 2023; 32:1088-1094. [PMID: 36690174 DOI: 10.1016/j.jse.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/16/2022] [Accepted: 12/11/2022] [Indexed: 01/22/2023]
Abstract
HYPOTHESIS AND BACKGROUND Blueprint 3-dimensional computed tomography software has a functionality that predicts impingement-free range of motion (ROM) with determination of the limits of ROM at which bone and/or prosthetic impingement occurs. To our knowledge, only 1 previously published study has assessed the ability of Blueprint software to predict actual postoperative ROM after reverse total shoulder arthroplasty (RTSA). The hypotheses of this study were that (1) mean Blueprint-predicted impingement-free ROM would be statistically similar to the mean actual ROM 1 year after RTSA and (2) there would be a correlation between Blueprint-predicted impingement-free ROM and the actual ROM 1 year after RTSA. MATERIALS AND METHODS A retrospective review of patients who underwent Blueprint planning prior to undergoing RTSA from March 2017 through May 2021 was performed. At 1-year follow-up, flexion, external rotation at the side, abduction, external rotation in the abducted position, internal rotation in the abducted position, and internal rotation behind the back were measured. The preoperatively predicted flexion, extension, abduction, external rotation, and internal rotation were recorded using Blueprint software. The group 1 analysis examined the predicted vs. actual ROM of all 127 patients regardless of whether intraoperative component modifications were made. The group 2 analysis examined the predicted vs. actual ROM of only the patients who did not undergo intraoperative changes that would affect the preoperative ROM prediction (n = 97). The group 3 analysis examined the predicted vs. actual ROM of group 2 combined with the 30 patients who underwent post hoc Blueprint planning modifications to account for the changes made intraoperatively (combined sample size of 127). RESULTS Of the 141 patients, 127 (90%) were available for 1-year follow-up. When the mean values of all 3 groups were examined, the actual ROM and predicted ROM were statistically significantly different (P < .0001) for flexion, external rotation, abduction, abduction-external rotation, and abduction-internal rotation. In group 1, a very weak or poor correlation was found between predicted internal rotation and actual abducted internal rotation (r = 0.19, P = .04). For all other ROM metrics in groups 1, 2, and 3, there were no correlations between predicted and actual ROM (P ≥ .07). CONCLUSIONS In its current state, preoperative Blueprint 3-dimensional computed tomography planning software is unable to accurately predict ROM 1 year after RTSA.
Collapse
|
11
|
Srikumaran U. CORR Insights®: Reverse Total Shoulder Arthroplasty Alters Humerothoracic, Scapulothoracic, and Glenohumeral Motion During Weighted Scaption. Clin Orthop Relat Res 2022; 480:2266-2268. [PMID: 36179279 PMCID: PMC9555886 DOI: 10.1097/corr.0000000000002383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 08/05/2022] [Indexed: 01/31/2023]
Affiliation(s)
- Uma Srikumaran
- Johns Hopkins School of Medicine. Division of Shoulder Surgery, Department of Orthopaedic Surgery, Columbia, MD, USA
| |
Collapse
|
12
|
The Evolution of Reverse Total Shoulder Arthroplasty-From the First Steps to Novel Implant Designs and Surgical Techniques. J Clin Med 2022; 11:jcm11061512. [PMID: 35329837 PMCID: PMC8949196 DOI: 10.3390/jcm11061512] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 03/06/2022] [Accepted: 03/08/2022] [Indexed: 02/04/2023] Open
Abstract
Purpose of Review: The purpose of this review is to summarize recent literature regarding the latest design modifications and biomechanical evolutions of reverse total shoulder arthroplasty and their impact on postoperative outcomes. Recent findings: Over the past decade, worldwide implantation rates of reverse total shoulder arthroplasty have drastically increased for various shoulder pathologies. While Paul Grammont’s design principles first published in 1985 for reverse total shoulder arthroplasty remained unchanged, several adjustments were made to address postoperative clinical and biomechanical challenges such as implant glenoid loosening, scapular notching, or limited range of motion in order to maximize functional outcomes and increase the longevity of reverse total shoulder arthroplasty. However, the adequate and stable fixation of prosthetic components can be challenging, especially in massive osteoarthritis with concomitant bone loss. To overcome such issues, surgical navigation and patient-specific instruments may be a viable tool to improve accurate prosthetic component positioning. Nevertheless, larger clinical series on the accuracy and possible complications of this novel technique are still missing.
Collapse
|