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A'Court JJ, Chatindiara I, Fisher R, Poon PC. Does the stemless reverse arthroplasty compare to a conventional stemmed implant? Clinical and radiographic evaluation at 2 years' minimum follow-up. J Shoulder Elbow Surg 2024; 33:1938-1945. [PMID: 38423251 DOI: 10.1016/j.jse.2024.01.030] [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: 09/20/2023] [Revised: 01/08/2024] [Accepted: 01/08/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Reverse shoulder arthroplasty (RSA) is a well-recognized treatment for many shoulder conditions, including rotator cuff arthropathy, primary glenohumeral joint arthritis, and rheumatoid arthritis, and can be used in both trauma and revision settings. Over the past 10 years, its popularity in New Zealand has been increasing, with a 6%-7% annual growth rate during this period. Stemless RSA designs have the following proposed advantages: They can preserve humeral bone stock, they can limit periprosthetic fractures, and they can be indicated in patients with abnormal diaphyseal humeral anatomy. To date, only 1 study has evaluated the outcomes of the Lima SMR Stemless implant. We present our data with an aim to report how the stemless reverse arthroplasty compares to a conventional stemmed implant. METHODS We performed a retrospective review of a consecutive series of patients treated at a single institution between 2015 and 2020. The endpoint was defined as final follow-up at a minimum of 2 years. Patients were excluded from the final analysis if they underwent revision. Thirty-three patients were identified as having undergone stemless RSA. Thirty patients had patient-reported outcome measures and radiographs at a minimum of 2 years' follow-up. Three patients had undergone revision within 2 years. The same sample size of stemmed RSAs (n = 33) was selected for comparison. RESULTS A total of 60 patients were included in the final analysis, of whom 30 underwent stemless RSA and 30 underwent stemmed RSA. The demographic characteristics of the 2 groups were comparable except age at operation, which showed a statistically significant difference (P = .001): 77 years (stemmed) vs. 65 years (stemless). The mean Oxford Shoulder Score was 40.1 in the stemless group vs. 40 in the stemmed group. The mean American Shoulder and Elbow Surgeons score was 72.9 in the stemless group vs. 79 in the stemmed group. Patient-reported outcome measures, pain scores, and satisfaction ratings were not statistically significantly different between the 2 groups. In terms of radiographic data, subsidence was observed in 2 patients in the stemless RSA group but the patients had no clinical symptoms. Also in the stemless RSA group, 1 patient had an acromial stress fracture and 1 patient had a superficial wound infection successfully treated with oral antibiotics. In terms of revisions in the stemless RSA group, 1 patient underwent revision owing to chronic infection, 1 underwent revision as a result of a periprosthetic fracture after a fall, and 1 underwent revision for gross instability. CONCLUSIONS The early results of sRSA are promising, and the stemless implant shows similar outcomes to a conventional stemmed implant.
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Affiliation(s)
- Jamie J A'Court
- Department of Orthopaedics, North Shore Hospital, Auckland, New Zealand.
| | - Idah Chatindiara
- Department of Orthopaedics, North Shore Hospital, Auckland, New Zealand
| | - Rachael Fisher
- Department of Orthopaedics, North Shore Hospital, Auckland, New Zealand
| | - Peter C Poon
- Department of Orthopaedics, North Shore Hospital, Auckland, New Zealand
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Willems JI, Achten G, Crowther MA, Heikenfeld R, Karelse A, van Noort A. Two-year follow-up of the SMR stemless platform shoulder system: a multicenter, prospective clinical study. JSES Int 2024; 8:888-894. [PMID: 39035661 PMCID: PMC11258836 DOI: 10.1016/j.jseint.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2024] Open
Abstract
Background The use of stemless shoulder arthroplasty for osteoarthritis has grown substantially over the past decades. The goal of this study is to evaluate the clinical and radiological outcomes of the Lima SMR stemless anatomic and reverse total shoulder arthroplasty. Methods Seventy-three implants in 73 patients (61 anatomic total shoulder arthroplasties [aTSAs] and 12 reverse shoulder arthroplasties [RSAs]) were analyzed with a minimum follow-up of 2 years. The average age in the aTSA group was 65.8 ± 8.7 and 78.3 ± 4.8 in the RSA group. Primary osteoarthritis was the indication in most cases (aTSA 93.7%, RSA 67%). Patients were evaluated preoperatively, at 4, 12, and 24 months postoperatively using the Constant score, the ASES, Oxford Shoulder Score, EuroQol 5 Dimensions 5 Levels questionnaire, range of motion scores, and radiographically. Statistical significance was evaluated using the paired t-test (P < .5). Results At 2-year follow-up, the overall average Constant score significantly improved from 40.0 ± 16.7 to 80.9 ± 21.4 (P < .001). Improvement of the ASES (from 31.7 ± 15.6 to 82.5 ± 19.4) and Oxford Shoulder Score (from 19.1 ± 7.4 to 41.9 ± 7.9) was also significant (P < .001). In the aTSA group, all range of motion scores improved significantly (P < .001). In the RSA group, all range of motion scores improved but only active forward flexion and external rotation in abduction improved significantly (P < .05). Most patients were satisfied or completely satisfied at 24 months (aTSA 93.9%, RSA 100%). Two humeral implants in the RSA configuration showed loosening on the first postoperative day related to excessive forces exerted on the shoulder, both requiring revision to a stemmed implant. In the aTSA group, no signs of radiolucencies, osteolysis, gradual loosening, or migration of the components were seen at the final follow-up. In the RSA group, one case had radiolucent lines with subsidence of the humeral core at 12 months, which had not progressed at 24 months and was asymptomatic. All other RSA cases showed no radiolucent lines, migration, scapular notching, or osteolysis. Three anatomic implants were converted with retention of the glenoid baseplate and humeral core to a reverse arthroplasty due to atraumatic cuff failure (N = 2) and traumatic cuff failure (N = 1). After these procedures, patients were satisfied with their results. There were no other complications. Conclusion The 2-year results presented in this study show good functional and radiological outcomes using the SMR stemless system.
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Affiliation(s)
- Joost I.P. Willems
- Orthopaedic Department, Medische Kliniek Velsen, Velsen Noord, the Netherlands
| | - Gijs Achten
- Orthopaedic Department, Spaarne Gasthuis, Hoofddorp, the Netherlands
| | - Mark A.A. Crowther
- Orthopaedic Department, North Bristol NHS Trust, Bristol, United Kingdom
| | | | - Anne Karelse
- Orthopaedic Department, ZorgSaam Hospital, Terneuzen, the Netherlands
| | - Arthur van Noort
- Orthopaedic Department, Spaarne Gasthuis, Hoofddorp, the Netherlands
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Hatta T, Mashiko R, Kawakami J, Matsuzawa G, Ogata Y, Hatta W. Evolution of Stemless Reverse Shoulder Arthroplasty: Current Indications, Outcomes, and Future Prospects. J Clin Med 2024; 13:3813. [PMID: 38999379 PMCID: PMC11242655 DOI: 10.3390/jcm13133813] [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: 05/06/2024] [Revised: 06/16/2024] [Accepted: 06/27/2024] [Indexed: 07/14/2024] Open
Abstract
Reverse total shoulder arthroplasty (rTSA) is increasingly being used as a reliable option for various shoulder disorders with deteriorated rotator cuff and glenohumeral joints. The stemless humerus component for shoulder arthroplasties is evolving with theoretical advantages, such as preservation of the humeral bone stock and decreased risk of periprosthetic fractures, as well as clinical research demonstrating less intraoperative blood loss, reduced surgical time, a lower rate of intraoperative fractures, and improved center of rotation restoration. In particular, for anatomical total shoulder arthroplasty (aTSA), the utilization of stemless humeral implants is gaining consensus in younger patients. The current systematic review of 14 clinical studies (637 shoulders) demonstrated the clinical outcomes of stemless rTSA. Regarding shoulder function, the mean Constant-Murley Score (CS) improved from 28.3 preoperatively to 62.8 postoperatively. The pooled overall complication and revision rates were 14.3% and 6.3%, respectively. In addition, recent studies have shown satisfactory outcomes with stemless rTSA relative to stemmed rTSA. Therefore, shoulder surgeons may consider adopting stemless rTSA, especially in patients with sufficient bone quality. However, further long-term studies comparing survivorship between stemless and stemmed rTSA are required to determine the gold standard for selecting stemless rTSA.
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Affiliation(s)
- Taku Hatta
- Department of Orthopedic Surgery, Joint Surgery, Sports Clinic Ishinomaki, Ishinomaki 986-0850, Japan;
- Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai 980-8547, Japan;
| | - Ryosuke Mashiko
- Department of Orthopedic Surgery, Joint Surgery, Sports Clinic Ishinomaki, Ishinomaki 986-0850, Japan;
| | - Jun Kawakami
- Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai 980-8547, Japan;
| | - Gaku Matsuzawa
- Department of Orthopedic Surgery, Iwaki Medical Center, Iwaki 973-8402, Japan;
| | - Yohei Ogata
- Division of Gastroenterology, Tohoku University School of Medicine, Sendai 980-8574, Japan; (Y.O.); (W.H.)
| | - Waku Hatta
- Division of Gastroenterology, Tohoku University School of Medicine, Sendai 980-8574, Japan; (Y.O.); (W.H.)
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Rosso C, Kränzle J, Delaney R, Grezda K. Radiologic, clinical, and patient-reported outcomes in stemless reverse shoulder arthroplasty at a mean of 46 months. J Shoulder Elbow Surg 2024; 33:1324-1330. [PMID: 37993092 DOI: 10.1016/j.jse.2023.10.003] [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: 07/05/2023] [Revised: 10/08/2023] [Accepted: 10/16/2023] [Indexed: 11/24/2023]
Abstract
BACKGROUND The humeral stem can be a cause of problems in shoulder arthroplasty, for example, loss of bone stock, intraoperative and postoperative periprosthetic fractures, or postoperative infections involving the medullary canal. Therefore, stemless reverse shoulder arthroplasty (slRSA) has gained popularity, particularly in terms of preserving bone stock. However, there are limited data available on the midterm outcomes of slRSA. The objective of this study was to evaluate the clinical, radiologic, and patient-reported outcomes of slRSA at a minimum follow-up period of 2 years. METHODS Data on all stemless reverse shoulder prostheses implanted between January 2016 and October 2020 were collected. Patients were followed up at 6 weeks and 6, 12, and 24 months postoperatively. Clinical and radiologic data as well as patient-reported outcome measures were assessed with validated questionnaires (University of California at Los Angeles Shoulder Score [UCLA], American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form [ASES], Quick Disabilities of the Arm, Shoulder, and Hand questionnaire [Quick-DASH], visual analog scale [VAS] for pain, Subjective Shoulder Value [SSV], and Constant-Murley score [CS]). All patients had a minimum follow-up of 2 years. RESULTS During the observation period, 26 shoulders in 25 patients fulfilled the inclusion criteria. The mean follow-up was 46.8 months (range 25-66). The mean age was 70.1 years (range 59.9-86.4). At the most recent follow-up, a significant improvement was noted in the ASES score (55.9 ± 19.9 vs. 85.6 ± 10.7, P < .001), SSV (44.3 ± 18.7 vs. 85.3 ± 10.4, P < .001), Quick-DASH score (40.6 ± 22.0 vs. 17.8 ± 13.9, P < .001), VAS pain score (4.6 ± 3.2 vs. 0.9 ± 1.2, P < .001), and range of motion in flexion (66 ± 53 vs. 154 ± 22, P < .001) as well as in the absolute (44.1 ± 18.7 vs. 83.1 ± 10.1, P < .001) and relative CS (62.1 ± 27.8 vs. 111.9 ± 13.3, P < .001). Scapular notching was observed in 16% of cases, and radiolucent lines were detected in 28% of cases without symptoms of implant loosening. No revision was necessitated by any causes related to the stemless humeral component. Hence, implant survivorship was 100%. CONCLUSIONS With an ASES score showing a 30-point improvement and thus exceeding the minimal clinically important difference of 21 points and no revisions due to the stemless component, these results indicate that slRSA is a viable option, providing good to excellent midterm outcomes that are comparable to those of stemmed reverse shoulder prostheses, with the added advantage of bone stock preservation.
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Affiliation(s)
- Claudio Rosso
- ARTHRO Medics, shoulder and elbow center, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Janosch Kränzle
- ARTHRO Medics, shoulder and elbow center, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Ruth Delaney
- Dublin Shoulder Institute, Sports Surgery Clinic, Dublin, Ireland; University College Dublin, Dublin, Ireland
| | - Kushtrim Grezda
- University of Basel, Basel, Switzerland; Royal Medical Hospital, Prishtina, Kosovo; University of Prishtina "Hasan Prishtina", Prishtina, Kosovo
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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.
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Luthringer TA, Horneff JG, Abboud JA. Stemless Reverse Shoulder Arthroplasty. J Am Acad Orthop Surg 2024; 32:e63-e72. [PMID: 37816186 DOI: 10.5435/jaaos-d-23-00075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 08/20/2023] [Indexed: 10/12/2023] Open
Abstract
Since the Food and Drug Administration (FDA) approval nearly two decades ago, the indications for and utilization of reverse shoulder arthroplasty (RSA) have expanded considerably. Stemless RSA designs have been used in Europe since 2005, but have only recently been introduced in domestic Investigational Device Exemption trials. Potential advantages of stemless RSA are similar to those of stemless anatomic total shoulder arthroplasty, which may include fewer shaft-related complications, avoidance of stress shielding, bone preservation, and easier revision surgery. European data support similar outcomes between certain stemless RSA prostheses compared with that of stemmed RSA implants at early and mid-term follow-up. However, long-term outcomes remain to be seen and differences exist between the stemless RSA designs used in Europe and those being studied in domestic clinical trials. An understanding of the potential advantages and disadvantages of stemless RSA, differences between existing designs, and reported clinical outcomes is prudent for the safe and meaningful implementation of this new technology in the United States.
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Affiliation(s)
- Tyler A Luthringer
- From the Rothman Orthopaedic Institute, Philadelphia, PA (Luthringer and Abboud), the Carolina Orthopaedic and Neurosurgical Associates, Greenville-Spartanburg, SC (Luthringer), and the University of Pennsylvania, Philadelpha, PA (Horneff)
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Zbeda R, Asaid R, Warby SA, Cassidy JT, Hoy G. Medium-Term Clinical Outcomes of the Global Icon Stemless Shoulder System: Results of a 2-Year Follow-Up. J Clin Med 2023; 12:6745. [PMID: 37959211 PMCID: PMC10648431 DOI: 10.3390/jcm12216745] [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: 09/20/2023] [Revised: 10/21/2023] [Accepted: 10/21/2023] [Indexed: 11/15/2023] Open
Abstract
The primary aim of this study was to assess the medium-term outcomes of the Global Icon stemless shoulder replacement in patients who have undergone primary total shoulder arthroplasty (TSA) for glenohumeral joint osteoarthritis. A retrospective review of patients who had undergone a TSA using the Global Icon stemless shoulder system was performed. The Western Ontario Osteoarthritis Shoulder (WOOS) Index and Oxford Shoulder Score (OSS) were evaluated pre-operatively and at 12 to 24 months post-operatively. Radiological outcomes, operation time, and post-operative complications were reported. Primary analysis for the WOOS Index and OSS focused on detecting within-group treatment effects at 24 months using a repeated measures ANOVA. Thirty patients were included in the study. Post-surgery, there was a significant improvement at 24 months on the OSS (ES = 0.932, CI: 41.7 to 47.7, p < 0.001) and the WOOS Index (ES = 0.906, CI: 71.9 to 99.8, p < 0.001). Radiographs revealed that no component loosened, migrated, or subsided. The median operative time was 75.5 (IQR: 12.25, range: 18 to 105) min. No implant-related complications were reported. The Global Icon stemless replacements have excellent clinical outcomes in this cohort at 12- and 24-month follow-up with no implant-related complications.
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Affiliation(s)
- Robert Zbeda
- Melbourne Orthopaedic Group, 33 The Avenue, Windsor, VIC 3181, Australia; (R.Z.); (R.A.); (J.T.C.); (G.H.)
| | - Raf Asaid
- Melbourne Orthopaedic Group, 33 The Avenue, Windsor, VIC 3181, Australia; (R.Z.); (R.A.); (J.T.C.); (G.H.)
| | - Sarah A. Warby
- Melbourne Shoulder Group, 305 High Street, Prahran, VIC 3181, Australia
- Department of Physiotherapy, Podiatry, Prosthetics and Orthotics, La Trobe University, Corner of Kingsbury Drive and Plenty Road, Bundoora, VIC 3080, Australia
| | - John Tristan Cassidy
- Melbourne Orthopaedic Group, 33 The Avenue, Windsor, VIC 3181, Australia; (R.Z.); (R.A.); (J.T.C.); (G.H.)
| | - Gregory Hoy
- Melbourne Orthopaedic Group, 33 The Avenue, Windsor, VIC 3181, Australia; (R.Z.); (R.A.); (J.T.C.); (G.H.)
- Department of Surgery, Monash Medical Centre, Monash University, Level 5, Block E·246 Clayton Road, Clayton, VIC 3168, Australia
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Nabergoj M, Lädermann A, Authom T, Beaudouin E, Azar M, Wahab H, Leger O, Haight H, Harris H, Collin P. Stemless reverse shoulder arthroplasty: clinical and radiologic outcomes with minimum 2 years' follow-up. J Shoulder Elbow Surg 2023; 32:e464-e474. [PMID: 36905950 DOI: 10.1016/j.jse.2023.01.042] [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: 04/15/2022] [Revised: 01/20/2023] [Accepted: 01/27/2023] [Indexed: 03/13/2023]
Abstract
BACKGROUND Recently, a stemless reverse shoulder arthroplasty (RSA) design was developed to preserve bone stock. Clinical and radiologic studies of this design in larger cohorts with >100 patients are not frequent. The purpose of this study was to present the clinical and radiologic results of a newly developed stemless RSA implant. The hypothesis was that this design would provide similar clinical and radiologic results to other stemless implants, as well as stemmed implants. METHODS Between September 2015 and December 2019, all patients who underwent primary RSA with a stemless Easytech prosthesis were considered eligible for inclusion in this prospective multicenter study. The minimum follow-up period was 2 years. Clinical outcomes consisted of the Constant score, adjusted Constant score, QuickDASH (short version of Disabilities of the Arm, Shoulder and Hand questionnaire) score, Subjective Shoulder Value, and American Shoulder and Elbow Surgeons shoulder score. Radiographic parameters included radiolucency, loosening, scapular notching, and specific geometric parameters. RESULTS Stemless RSA was performed in 115 patients (61 women and 54 men) at 6 different clinical centers. The average age at the time of surgery was 68.7 years. The average Constant score was 32.5 preoperatively and showed significant improvement to 61.8 at latest follow-up (P < .001). The Subjective Shoulder Value also demonstrated significant improvement postoperatively (from 27.0 to 77.5, P < .001). Scapular notching was observed in 28 patients (24.3%); humeral loosening, 5 (4.3%); and glenoid loosening, 4 (3.5%). The total complication rate was 17.4%. Eight patients (4 women and 4 men) underwent implant revision. CONCLUSION The clinical outcomes of the examined stemless RSA seem to be comparable to those of other humeral designs; however, the complication and revision rates are higher than those of historical controls. Surgeons should proceed with caution when using this implant until longer-term follow-up data are available.
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Affiliation(s)
- Marko Nabergoj
- Valdoltra Orthopaedic Hospital, Ankaran, Slovenia; Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Alexandre Lädermann
- Division of Orthopaedics and Trauma Surgery, La Tour Hospital, Meyrin, Switzerland; Faculty of Medicine, University of Geneva, Geneva, Switzerland; Division of Orthopaedics and Trauma Surgery, Department of Surgery, Geneva University Hospitals, Geneva, Switzerland
| | - Thierry Authom
- Infirmerie Protestante, Caluire et Cuire, France; La Clinique Saint Charles, Lyon, France
| | | | | | | | | | | | | | - Philippe Collin
- Centre Hospitalier Privé Saint-Grégoire (Vivalto Santé), Saint-Grégoire, France; Clinique Victor Hugo, Paris, France.
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