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Saad MA, Moverman MA, Da Silva AZ, Chalmers PN. Preventing Infections in Reverse Shoulder Arthroplasty. Curr Rev Musculoskelet Med 2024:10.1007/s12178-024-09918-7. [PMID: 39095627 DOI: 10.1007/s12178-024-09918-7] [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] [Accepted: 07/15/2024] [Indexed: 08/04/2024]
Abstract
PURPOSE OF REVIEW Reverse shoulder arthroplasty (rTSA) is a commonly performed procedure to treat degenerative conditions of the shoulder. With its growing utilization, techniques to reliably diagnose and treat prosthetic joint infection (PJI) have become increasingly important. In this review we outline the current research and prevention methods of prosthetic joint infection in rTSA. This includes preoperative considerations, intraoperative, and postoperative treatment algorithms. RECENT FINDINGS There is currently no established standardized protocol for preoperative infection prevention or post operative management. However, recent studies have identified risk factors for infection, as well as successful prevention techniques that can be implemented to minimize infection risk. Although there is no standardized protocol currently utilized to diagnose and treat shoulder PJI, we outline a potential set of preventative measures and postoperative management strategies that clinicians can use to properly diagnose and treat patients with this difficult condition.
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Affiliation(s)
- Maarouf A Saad
- Department of Orthopaedic Surgery, University of California, Davis, Sacramento, CA, USA
| | - Michael A Moverman
- Department of Orthopaedic Surgery, University of Utah, 590 Wakara Way, Salt Lake City, UT, USA
| | - Adrik Z Da Silva
- Department of Orthopaedic Surgery, University of Utah, 590 Wakara Way, Salt Lake City, UT, USA
| | - Peter N Chalmers
- Department of Orthopaedic Surgery, University of Utah, 590 Wakara Way, Salt Lake City, UT, USA.
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Givens J, Schmidt CM, Patel R, Kucharik M, Grayson W, Chase C, Davis CM, Christmas KN, Simon P, Frankle MA. Factors affecting risk of recurrence with periprosthetic infection in shoulder arthroplasty. J Shoulder Elbow Surg 2024; 33:S80-S85. [PMID: 38182021 DOI: 10.1016/j.jse.2023.11.013] [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: 06/28/2023] [Revised: 11/01/2023] [Accepted: 11/14/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND The goal of treating periprosthetic infection, besides its eradication, is to avoid recurrence. The purpose of this study was to evaluate the impact of increasing Infection Severity (IS) score (based on the 2018 International Consensus Meeting on Orthopedic Infections statement), single-stage revision, and pathogenicity of the infective organism on the risk of infection recurrence. METHODS A database of 790 revisions performed by a single surgeon from 2004-2020 was reviewed for patients with minimum 2-year follow-up and ≥1 positive culture finding and/or pathology result from the revision surgical procedure. In total, 157 cases performed in 144 patients met the inclusion criteria. These cases were then categorized by infection probability (IS score) according to the 2018 consensus statement. Of 157 cases, 46 (29%) were classified as definitely or probably infected; 25 (16%), possibly infected; and 86 (55%), unlikely to be infected. Additionally, patients were grouped by single-stage surgery and pathogenicity of the infective organism. RESULTS A recurrence in this study was classified as the growth of the same organism in any patient requiring revision surgery. The 86 cases in the group with unlikely infection showed a recurrence rate of 2.3%. The 25 cases in the group with possible infection showed a recurrence rate of 12%. The 46 cases in the group with definite or probable infection showed a recurrence rate of 17.4%. Patients in the definite/probable infection group had a higher rate of recurrence than those in the groups with possible infection and unlikely infection (P = .009). The IS score was higher in the recurrence group than the non-recurrence group (7.5 ± 4.3 vs. 3.9 ± 3.4, P < .001). Overall, patients who underwent 1-stage revision had a 5.0% recurrence rate, but among the 34 patients with an infection classification of definite or probable who underwent 1-stage revision, the recurrence rate was 5.9%. Cases of highly virulent methicillin-resistant Staphylococcus aureus also showed a recurrence rate of 30.8% compared with 4.0% and 5.9% for Cutibacterium acnes and coagulase-negative staphylococci, respectively (P = .005). CONCLUSION Recurrent infection after treatment of a periprosthetic infection is associated with increasing severity scores, as defined in the 2018 consensus statement, and more aggressive microorganisms. However, a single-stage surgical procedure, even in patients with higher IS scores, did not impart a significantly increased risk of recurrence.
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Affiliation(s)
- Justin Givens
- Shoulder & Elbow Service, Florida Orthopaedic Institute, Tampa, FL, USA
| | - Christian M Schmidt
- Department of Orthopaedics and Sports Medicine, University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - Raahil Patel
- Department of Orthopaedics and Sports Medicine, University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - Michael Kucharik
- Department of Orthopaedics and Sports Medicine, University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - Whisper Grayson
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - Collin Chase
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - Caleb M Davis
- Shoulder & Elbow Service, Florida Orthopaedic Institute, Tampa, FL, USA
| | - Kaitlyn N Christmas
- Department of Translational Research, Foundation for Orthopaedic Research and Education, Tampa, FL, USA
| | - Peter Simon
- Department of Translational Research, Foundation for Orthopaedic Research and Education, Tampa, FL, USA
| | - Mark A Frankle
- Shoulder & Elbow Service, Florida Orthopaedic Institute, Tampa, FL, USA; Department of Orthopaedics and Sports Medicine, University of South Florida Morsani College of Medicine, Tampa, FL, USA; Department of Translational Research, Foundation for Orthopaedic Research and Education, Tampa, FL, USA.
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Bdeir M, Lerchl A, Hetjens S, Schilder A, Gravius S, Baumgärtner T, Darwich A. One- vs. Two-Stage Revision for Periprosthetic Shoulder Infections: A Systematic Review and Meta-Analysis. Antibiotics (Basel) 2024; 13:440. [PMID: 38786168 PMCID: PMC11117334 DOI: 10.3390/antibiotics13050440] [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: 03/20/2024] [Revised: 04/28/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
Periprosthetic shoulder infection (PSI) remains a challenging complication after shoulder arthroplasty. Therapeutic options include one- or two-stage revision, irrigation and debridement, and resection arthroplasty. With our systematic review and meta-analysis, we aimed to compare one- and two-stage revisions for periprosthetic shoulder joint infections and determine the most appropriate therapeutic procedure. We performed an extensive literature search in PubMed, Ovid Medline, Cochrane Library, Web of Science, and CINAHL and filtered out all relevant studies. The meta-analysis was performed using the random-effects model, heterogeneity was analyzed using I2, and publication bias was assessed using the Egger's test. A total of 8 studies with one-stage revisions, 36 studies with two-stage revisions, and 12 studies with both one-stage and two-stage revisions were included. According to the random-effects model, the reinfection rate for the entirety of the studies was 12.3% (95% Cl: 9.6-15.3), with a low-to-moderate heterogeneity of I2 = 47.72%. The reinfection rate of the one-stage revisions was 10.9%, which was significantly lower than the reinfection rate of the two-stage revisions, which was 12.93% (p = 0.0062). The one-stage revision rate was significantly lower with 1.16 vs. 2.25 revisions in the two-stage revision group (p < 0.0001). The postoperative functional outcome in one-stage-revised patients was comparable but not statistically significant (p = 0.1523). In one- and two-stage revisions, most infections were caused by Cutibacterium acnes. In summary, our systematic review and meta-analysis show the superiority of single-stage revision regarding reinfection and revision rates in periprosthetic shoulder joint infection.
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Affiliation(s)
- Mohamad Bdeir
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany; (A.L.); (A.S.); (S.G.); (T.B.); (A.D.)
| | - Aimée Lerchl
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany; (A.L.); (A.S.); (S.G.); (T.B.); (A.D.)
| | - Svetlana Hetjens
- Institute of Medical Statistics and Biomathematics, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany;
| | - Andreas Schilder
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany; (A.L.); (A.S.); (S.G.); (T.B.); (A.D.)
| | - Sascha Gravius
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany; (A.L.); (A.S.); (S.G.); (T.B.); (A.D.)
| | - Tobias Baumgärtner
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany; (A.L.); (A.S.); (S.G.); (T.B.); (A.D.)
| | - Ali Darwich
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany; (A.L.); (A.S.); (S.G.); (T.B.); (A.D.)
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Suardi V, Baroni D, Shahein AHA, Morena V, Logoluso N, Mangiavini L, Pellegrini AV. Microbiology of Prosthetic Joint Infections: A Retrospective Study of an Italian Orthopaedic Hospital. Antibiotics (Basel) 2024; 13:399. [PMID: 38786128 PMCID: PMC11117340 DOI: 10.3390/antibiotics13050399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/22/2024] [Accepted: 04/25/2024] [Indexed: 05/25/2024] Open
Abstract
The most frequent cause of periprosthetic infections (PJIs) is intraoperative contamination; hence, antibiotic prophylaxis plays a crucial role in prevention. Modifications to standard prophylaxis can be considered if there is a high incidence of microorganisms resistant to current protocols. To date, very few studies regarding microbial etiology have been published in Italy. In this single-center, retrospective study conducted at IRCCS Ospedale Galeazzi-Sant'Ambrogio in Milan, we analyzed hip, knee, and shoulder PJIs in patients undergoing first implantation between 1 January 17 and 31 December 2021. The primary aim was to derive a local microbiological case history. The secondary aim was to evaluate the adequacy of preoperative antibiotic prophylaxis in relation to the identified bacteria. A total of 57 PJIs and 65 pathogens were identified: 16 S. aureus, 15 S. epidermidis, and 10 other coagulase-negative staphylococci (CoNS), which accounted for 63% of the isolations. A total of 86.7% of S. epidermidis were methicillin-resistant (MRSE). In line with other case reports, we found a predominance of staphylococcal infections, with a lower percentage of MRSA than the Italian average, while we found a high percentage of MRSE. We estimated that 44.6% of the bacteria isolated were resistant to cefazolin, our standard prophylaxis. These PJIs could be prevented by using glycopeptide alone or in combination with cefazolin, but the literature reports conflicting results regarding the adequacy of such prophylaxis. In conclusion, our study showed that in our local hospital, our standard antibiotic prophylaxis is ineffective for almost half of the cases, highlighting the importance of defining specific antibiotic guidelines based on the local bacterial prevalence of each institution.
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Affiliation(s)
- Virginia Suardi
- IRCCS Ospedale Galeazzi–Sant’Ambrogio, 20157 Milan, Italy; (V.S.); (N.L.); (A.V.P.)
| | - Daniele Baroni
- Department of Orthopedics and Traumatology, Alessandro Manzoni Hospital, 23900 Lecco, Italy;
| | | | - Valentina Morena
- Infectious Disease Unit, Alessandro Manzoni Hospital, 23900 Lecco, Italy;
| | - Nicola Logoluso
- IRCCS Ospedale Galeazzi–Sant’Ambrogio, 20157 Milan, Italy; (V.S.); (N.L.); (A.V.P.)
| | - Laura Mangiavini
- IRCCS Ospedale Galeazzi–Sant’Ambrogio, 20157 Milan, Italy; (V.S.); (N.L.); (A.V.P.)
- Department of Biomedical Sciences for Health, University of Milan, 20133 Milan, Italy
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Hsu JE, Matsen FA, Whitson AJ, Waalkes A, Almazan J, Bourassa LA, Salipante SJ, Long DR. 2023 Neer Award for Basic Science: Genetics of Cutibacterium acnes in revision shoulder arthroplasty: a large-scale bacterial whole-genome sequencing study. J Shoulder Elbow Surg 2024:S1058-2746(24)00241-6. [PMID: 38604398 DOI: 10.1016/j.jse.2024.02.039] [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: 01/10/2024] [Accepted: 02/24/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND Cutibacterium acnes is the bacterium most commonly responsible for shoulder periprosthetic joint infection (PJI) and is often cultured from samples obtained at the time of revision for failed shoulder arthroplasty. We sought to determine whether these bacteria originate from the patient or from exogenous sources. We also sought to identify which C. acnes genetic traits were associated with the development of shoulder PJI. METHODS We performed bacterial whole-genome sequencing of C. acnes from a single-institution repository of cultures obtained before or during primary and revision shoulder arthroplasty and correlated the molecular epidemiology and genetic content of strains with clinical features of infection. RESULTS A total of 341 isolates collected over a 4-year period from 88 patients were sequenced. C. acnes cultured from surgical specimens demonstrated significant similarity to the strains colonizing the skin of the same patient (P < .001). Infrequently, there was evidence of strains shared across unrelated patients, suggesting that exogenous sources of C. acnes culture-positivity were uncommon. Phylotypes IB and II were modestly associated with clinical features of PJI, but all phylotypes appeared inherently capable of causing disease. Chronic shoulder PJI was associated with the absence of common C. acnes genes involved in bacterial quorum-sensing (luxS, tqsA). CONCLUSION C. acnes strains cultured from deep intraoperative sources during revision shoulder arthroplasty demonstrate strong genetic similarity to the strains colonizing a patient's skin. Some phylotypes of C. acnes commonly colonizing human skin are modestly more virulent than others, but all phylotypes have a capacity for PJI. C. acnes cultured from cases of PJI commonly demonstrated genetic hallmarks associated with adaptation from acute to chronic phases of infection. This is the strongest evidence to date supporting the role of the patient's own, cutaneous C. acnes strains in the pathogenesis of shoulder arthroplasty infection. Our findings support the importance of further research focused on perioperative decolonization and management of endogenous bacteria that are likely to be introduced into the arthroplasty wound at the time of skin incision.
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Affiliation(s)
- Jason E Hsu
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA.
| | - Frederick A Matsen
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA
| | - Anastasia J Whitson
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA
| | - Adam Waalkes
- Department of Laboratory Medicine & Pathology, University of Washington Medical Center, Seattle, WA, USA
| | - Jared Almazan
- Department of Laboratory Medicine & Pathology, University of Washington Medical Center, Seattle, WA, USA
| | - Lori A Bourassa
- Department of Laboratory Medicine & Pathology, University of Washington Medical Center, Seattle, WA, USA
| | - Stephen J Salipante
- Department of Laboratory Medicine & Pathology, University of Washington Medical Center, Seattle, WA, USA
| | - Dustin R Long
- Department of Anesthesiology & Pain Medicine, University of Washington Medical Center, Seattle, WA, USA
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Rodrigues-Lopes R, Silva F, Torres J. Periprosthetic shoulder infection management: one-stage should be the way: a systematic review and meta-analysis. J Shoulder Elbow Surg 2024; 33:722-737. [PMID: 37839627 DOI: 10.1016/j.jse.2023.09.007] [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: 05/20/2023] [Revised: 08/29/2023] [Accepted: 09/03/2023] [Indexed: 10/17/2023]
Abstract
BACKGROUND There is still no consensus among surgeons on whether to perform a 1- or 2-stage surgical revision in infected shoulder arthroplasties. The aim of this systematic review and meta-analysis is to rigorously synthesize published studies evaluating the clinical outcomes, recurrence of infection, and other clinical complications in order to discuss which is the best strategy for treating periprosthetic joint infection after shoulder arthroplasty. METHODS Upon research using the PubMed, Scopus, and Web of Science databases, in November 2022, studies that presented 1- or 2-stage surgical revision as a treatment for periprosthetic joint infection after shoulder arthroplasty and assessed the reinfection rate on these patients, as well as other clinical outcomes, with a minimum follow-up of 12 months, were included. Study quality was evaluated using the Methodological Index for Non-Randomized Studies (MINORS) score. Reinfection and complication rates were extracted, and pooled estimates were calculated using the random-effect model. RESULTS After careful screening, 44 studies were included, 5 reporting on 1-stage and 30 on 2-stage revisions and 9 assessing both strategies. A total of 185 shoulders were reported in 1-stage revision studies, whereas 526 shoulders were reported in 2-stage revision studies. The overall pooled random-effects reinfection rate was 6.68% (95% confidence interval [CI]: 3.76-10.13), with low heterogeneity (I2 = 28%, P = .03). One-stage revision showed a reinfection rate of 1.14% (95% CI: 0.00-4.88), whereas 2-stage revision analysis revealed a reinfection rate of 8.81% (95% CI: 4.96-13.33). There were significant statistical differences between 1- and 2-stage reinfection rates (P = .04). The overall pooled rate for other clinical complications was 16.76% (95% CI: 9.49-25.15), with high heterogeneity (I2 = 70%, P < .01). One-stage revision had a complication rate of 6.11% (95% CI: 1.58-12.39), whereas the 2-stage revision complication rate was 21.26% (95% CI: 11.51-32.54). This difference was statistically significant (P = .03). CONCLUSIONS This is the first systematic review and meta-analysis showing significant statistical differences between 1- and 2-stage surgical revision in infected shoulder arthroplasties. Provided the right conditions exist, 1-stage revision shows better results in infection control, with lower clinical complications and possible better clinical outcomes.
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Affiliation(s)
| | - Fábia Silva
- Department of Orthopaedics and Traumatology, University Hospital Center of São João, Porto, Portugal
| | - João Torres
- Faculty of Medicine of the University of Porto, Porto, Portugal; Department of Orthopaedics and Traumatology, University Hospital Center of São João, Porto, Portugal
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Kew ME, Mathew JI, Wimberly AC, Fu MC, Taylor SA, Blaine TA, Carli AV, Dines JS, Dines DM, Gulotta LV. Outcomes after débridement, antibiotics, and implant retention for prosthetic joint infection in shoulder arthroplasty. J Shoulder Elbow Surg 2024; 33:e68-e78. [PMID: 37468030 DOI: 10.1016/j.jse.2023.06.012] [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: 03/25/2023] [Revised: 05/29/2023] [Accepted: 06/05/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND Patients who undergo total shoulder arthroplasty usually have excellent long-term outcomes. However, a subset of patients is diagnosed with a prosthetic joint infection (PJI) requiring revision procedures and prolonged recovery. The purpose of this study was to evaluate rates of recurrent shoulder PJI in patients undergoing débridement, antibiotics, and implant retention (DAIR), single-stage revision, and 2-stage revision. We also sought to compare outcomes and complications across procedures. METHODS Retrospective chart review was conducted for patients diagnosed with PJI after primary shoulder arthroplasty between January 2010 and August 2021. Patients were included if they underwent treatment with DAIR, single-stage revision, or 2-stage revision. Demographic information, surgical details, complications, laboratory data, postoperative antibiotic regimen, and infectious pathogen were collected. Postoperative patient-reported outcomes were collected: American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form, Single Assessment Numeric Evaluation, Shoulder Activity Scale, and PROMIS Upper Extremity. Chi-square, t test, and 1-way analysis of variance were used as appropriate to evaluate each factor. RESULTS Sixty-five patients were included in the study, 26% treated with DAIR, 9% treated with single-stage revision, and 65% treated with 2-stage revision. There were no significant differences in patient comorbidities. Patients undergoing DAIR were diagnosed significantly earlier than those undergoing single- and 2-stage revision procedures (12.6 ± 22.9 months vs. 49.6 ± 48.4 vs. 25.0 ± 26.6, P = .010). Recurrent PJI was noted in 23.1% of patients: 29.4% of DAIR patients, no single-stage patients, and 23.8% of 2-stage patients (P = .330). Patients undergoing 2-stage revision with treatment failure had a significantly higher Elixhauser Comorbidity Index (0.2 ± 3.7 vs. 3.7 ± 3.9, P = .027). There was no significant difference in patient-reported outcomes across groups. CONCLUSION Patients undergoing treatment of shoulder PJI with DAIR did not have an increased rate of reinfection compared with single-stage and 2-stage revision procedures. Patients treated with DAIR were diagnosed with PJI significantly earlier than those undergoing single-stage and 2-stage revision procedures. There was no difference in complication rates between groups. This information adds to the body of work detailing outcomes after DAIR for shoulder PJI and provides encouraging data for use in this patient population. Future studies with a larger sample size may be conducted to further investigate specific pathogens, infection timelines, and antibiotic regimens that reduce the risk of treatment failure.
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Affiliation(s)
- Michelle E Kew
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
| | | | - Audrey C Wimberly
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
| | - Michael C Fu
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
| | - Samuel A Taylor
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
| | - Theodore A Blaine
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
| | - Alberto V Carli
- Adult Reconstruction and Joint Replacement, Hospital for Special Surgery, New York, NY, USA
| | - Joshua S Dines
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
| | - David M Dines
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA
| | - Lawrence V Gulotta
- Sports Medicine and Shoulder Service, Hospital for Special Surgery, New York, NY, USA.
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Fiore M, Ferra L, Giannini C, Sambri A, Filippini M, Tedeschi S, Zamparini E, Viale P, De Paolis M, Guerra E. Management of periprosthetic joint infection of shoulder arthroplasty: Single-stage versus two-stage protocols. A systematic review and meta-analysis of the literature. Shoulder Elbow 2023; 15:25-40. [PMID: 37692869 PMCID: PMC10492529 DOI: 10.1177/17585732221116839] [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: 03/15/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 09/12/2023]
Abstract
Background The treatment of shoulder prosthetic joint infections (PJIs) requiring removal of the prosthesis is not well defined. This article aims to systematically review and compare the results of the literature in single-stage and two-stage protocols in the treatment of shoulder PJI. Methods An in-depth search on PubMed/Scopus/Web of Science databases and cross-referencing search was carried out concerning the articles reporting detailed data on the topic. Results A total of 486 shoulder PJIs were included: 137 treated with single-stage and 349 with two-stage procedure. A similar distribution between early and not-early infections (19.1% vs 80.9%) was found between the two groups. The overall rate of success in terms of PJI eradication was significantly higher in the single-stage group (95.6% vs 85.7%, p < 0.001). The non-infection-related complications rate was 13.8% in the single-stage group and 37.6% in the two-stage group (p < 0.001), the non-infection-related revision rate was 8% and 18.9%, respectively (p = 0.005). Discussion The single-phase protocol showed a higher success rate in eradicating the infection and a lower complication rate. However, the low number of patients included, the low quality of the articles, the lack of data on clinical severity and bacteriological virulence suggest caution in conclusions.
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Affiliation(s)
- Michele Fiore
- Alma Mater Studiorum – University of Bologna, Bologna, Italy
| | - Lorenzo Ferra
- Alma Mater Studiorum – University of Bologna, Bologna, Italy
| | | | - Andrea Sambri
- Alma Mater Studiorum – University of Bologna, Bologna, Italy
- Orthopedics and Traumatology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | | | - Sara Tedeschi
- Infectious Disease Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Eleonora Zamparini
- Infectious Disease Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Pierluigi Viale
- Infectious Disease Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Massimiliano De Paolis
- Orthopedics and Traumatology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Enrico Guerra
- Shoulder & Elbow Surgery Department, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Karimi A, Jalalpour P, Reddy RP, Sabzevari S, Keeling LE, Lin A. Diagnostic arthroscopy for periprosthetic shoulder arthroplasty infections: a systematic review and meta-analysis. JSES Int 2023; 7:835-841. [PMID: 37719814 PMCID: PMC10499863 DOI: 10.1016/j.jseint.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023] Open
Abstract
Background Periprosthetic joint infection of the shoulder (PJI) is a devastating complication with a reported incidence of 1%-15.4% and is often difficult to diagnose with current diagnostic tools including serologic tests and arthrocentesis. This systematic review evaluates the reliability and validity of arthroscopic biopsy in the current literature for the diagnosis of shoulder PJI. Methods MEDLINE, Scopus, Web of Sciences, Google Scholar, and Cochrane databases were queried electronically from inception to June 2022 for publications reporting diagnostic accuracy of shoulder arthroscopic biopsy for detecting infection after anatomic total shoulder arthroplasty, shoulder hemiarthroplasty, or reverse total shoulder arthroplasty. This systematic review was performed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Results After exclusion, our meta-analysis consisted of 7 articles with a total of 112 patients. The estimated pooled sensitivity and specificity of arthroscopic biopsy for confirmation of shoulder periprosthetic infection were 0.87 (95% confidence interval [CI]: 0.73-0.95) and 0.79 (95% CI: 0.67-0.88), respectively. The pooled positive likelihood ratio and negative likelihood ratio were 4.15 (95% CI: 2.57, 6.70) and 0.17 (95% CI: 0.08, 0.36), respectively. The aggregate positive predictive value was 73.58% (95% CI: 63.29%-81.82%), and aggregate negative predictive value was 89.83% (95% CI: 80.59%-94.95%). The diagnostic odds ratio of arthroscopic biopsy was 19.92 (95% CI: 4.96-79.99). Conclusion Arthroscopic biopsy in patients suspected of shoulder PJI has good diagnostic accuracy, with high sensitivity and specificity. Given the various biopsy protocols (such as devices, numbers, locations, etc.), further prospective studies are necessary to define the future role of arthroscopic biopsy in diagnosis and treatment.
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Affiliation(s)
- Amin Karimi
- Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, Pittsburgh, PA, USA
- Research Development Unit, Department of Orthopedic Surgery, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Pooyan Jalalpour
- Research Development Unit, Department of Orthopedic Surgery, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rajiv P Reddy
- Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, Pittsburgh, PA, USA
| | - Soheil Sabzevari
- Memorial Sloan Kettering Cancer Center, Weill Cornell University, New York City, NY, USA
| | - Laura E Keeling
- Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, Pittsburgh, PA, USA
| | - Albert Lin
- Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, Pittsburgh, PA, USA
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10
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Schick S, Elphingstone J, Murali S, Carter K, Davis W, McGwin G, Evely T, Ponce B, Momaya A, Brabston E. The incidence of shoulder arthroplasty infection presents a substantial economic burden in the United States: a predictive model. JSES Int 2023; 7:636-641. [PMID: 37426907 PMCID: PMC10328787 DOI: 10.1016/j.jseint.2023.03.013] [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] [Indexed: 07/11/2023] Open
Abstract
Background Periprosthetic joint infections (PJIs) are a major cause of morbidity after shoulder arthroplasty. Prior national database studies have estimated the trends of shoulder PJI up to 2012.21 Since 2012, the landscape of shoulder arthroplasty has changed drastically with the expanding popularity of reverse total shoulder arthroplasty. The dramatic growth in primary shoulder arthroplasties is likely paralleled with an increase of PJI case volume. The purpose of this study is to quantify the rise in shoulder PJIs and the economic stress they currently place on the American healthcare system as well as the toll they will incur over the coming decade. Methods The Nationwide Inpatient Sample database was queried for primary and revision anatomic total shoulder arthroplasty, reverse total shoulder arthroplasty, and hemiarthroplasty from 2011-2018. Multivariate regression was used to predict cases and charges through the year 2030 adjusted to 2021 purchasing power parity. Results From 2011 to 2018, PJI was found to be 1.1% shoulder arthroplasties, from 0.8% (2011) to 1.4% (2018). Anatomic total shoulder arthroplasty experienced the greatest proportion of infections at 2.0%, followed by hemiarthroplasty at 1.0% and reverse total shoulder arthroplasty at 0.3%. Total hospital charges grew 324%, from $44.8 million (2011) to $190.3 million (2018). Our regression model projects 176% growth in cases and 141% growth in annual charges by 2030. Conclusion This study demonstrates the large economic burden that shoulder PJIs pose on the American healthcare system, which is predicted to reach nearly $500 million in charges annually by 2030. Understanding trends in procedure volume and hospital charges will be critical in evaluating strategies to reduce shoulder PJIs.
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Affiliation(s)
- Samuel Schick
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Joseph Elphingstone
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sudarsan Murali
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Karen Carter
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | - William Davis
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Gerald McGwin
- Department of Epidemiology, University of Alabama at Birmingham School of Public Health, Birmingham, AL, USA
| | - Thomas Evely
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Amit Momaya
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Eugene Brabston
- Department of Orthopaedic Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
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11
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Hsu JE, Whitson AJ, Van Dyke R, Wu JC, Matsen FA, Long DR. Dynamics of Cutibacterium repopulation onto the skin surface of the shoulder after chlorhexidine application. INTERNATIONAL ORTHOPAEDICS 2023; 47:1511-1515. [PMID: 36977799 PMCID: PMC10694997 DOI: 10.1007/s00264-023-05786-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023]
Abstract
PURPOSE The objective of this study was to characterize the temporal dynamics of Cutibacterium repopulation of the skin surface after application of chlorhexidine to the shoulder. METHODS Ten shoulders in five male subjects were used. A skin swab was taken prior to (0 minutes) and then at three, 30, 60, 120, and 240 minutes after skin preparation with 2% chlorhexidine gluconate and 70% isopropyl alcohol. Semi-quantitative bacterial load was measured for each timepoint. RESULTS From zero minutes (pre-treatment) to three minutes, chlorhexidine-isopropyl alcohol reduced the skin bacterial load in eight out of ten shoulders. Of these eight shoulders, four (50%) had growth by 30 minutes, seven (88%) had growth by 60 minutes, and all eight (100%) had growth by 240 minutes. Compared to the three minutes after chlorhexidine application, bacterial load had significantly increased by 60 minutes but were still significantly lower than the pre-prep bacterial load (0 minutes). CONCLUSION Following standard surgical skin preparation with chlorhexidine-isopropyl alcohol, the surface of the shoulder is repopulated with Cutibacterium within one hour, presumably from reservoirs in sebaceous glands not penetrated by topical antiseptic agents. Since these dermal glands are transected by skin incision for shoulder arthroplasty, this study suggests that they may be sources of wound contamination during surgery in spite of skin preparation with chlorhexidine.
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Affiliation(s)
- Jason E Hsu
- Investigation Performed at the University of Washington, Department of Orthopedics and Sports Medicine, Seattle, WA, USA.
| | - Anastasia J Whitson
- Investigation Performed at the University of Washington, Department of Orthopedics and Sports Medicine, Seattle, WA, USA
| | - Rufus Van Dyke
- Investigation Performed at the University of Washington, Department of Orthopedics and Sports Medicine, Seattle, WA, USA
| | - John C Wu
- Investigation Performed at the University of Washington, Department of Orthopedics and Sports Medicine, Seattle, WA, USA
| | - Frederick A Matsen
- Investigation Performed at the University of Washington, Department of Orthopedics and Sports Medicine, Seattle, WA, USA
| | - Dustin R Long
- Harborview Medical Center Department of Anesthesiology and Pain Medicine Division of Critical Care Medicine, University of Washington, 325 9th Avenue, Seattle, WA, 98104, USA
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12
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Markes AR, Bigham J, Ma CB, Iyengar JJ, Feeley BT. Preventing and Treating Infection in Reverse Total Shoulder Arthroplasty. Curr Rev Musculoskelet Med 2023:10.1007/s12178-023-09843-1. [PMID: 37227587 PMCID: PMC10382412 DOI: 10.1007/s12178-023-09843-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/11/2023] [Indexed: 05/26/2023]
Abstract
PURPOSE OF REVIEW Periprosthetic infection after shoulder arthroplasty is relatively uncommon though associated with severe long-term morbidity when encountered. The purpose of the review is to summarize the recent literature regarding the definition, clinical evaluation, prevention, and management of prosthetic joint infection after reverse shoulder arthroplasty. RECENT FINDINGS The landmark report generated at the 2018 International Consensus Meeting on Musculoskeletal Infection has provided a framework for diagnosis, prevention, and management of periprosthetic infections after shoulder arthroplasty. Shoulder specific literature with validated interventions to reduce prosthetic joint infection is limited; however existing literature from retrospective studies and from total hip and knee arthroplasty allows us to make relative guidelines. One and two-stage revisions seem to demonstrate similar outcomes; however, no controlled comparative studies exist limiting the ability to make definitive recommendations between the two options. We report on recent literature regarding the current diagnostic, preventative, and treatment options for periprosthetic infection after shoulder arthroplasty. Much of the literature does not distinguish between anatomic and reverse shoulder arthroplasty, and further high-level shoulder specific studies are needed to answer questions generated from this review.
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Affiliation(s)
- Alexander R Markes
- Department of Orthopaedic Surgery, University of California-San Francisco, 1500 Owens Street, San Francisco, CA, 94158, USA.
| | - Joseph Bigham
- Department of Orthopaedic Surgery, University of Washington, Seattle, WA, USA
| | - C Benjamin Ma
- Department of Orthopaedic Surgery, University of California-San Francisco, 1500 Owens Street, San Francisco, CA, 94158, USA
| | | | - Brian T Feeley
- Department of Orthopaedic Surgery, University of California-San Francisco, 1500 Owens Street, San Francisco, CA, 94158, USA
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13
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List K, Streck LE, Gaal C, Achenbach L, Dines D, Rudert M. Patient-specific articulating spacer for two-stage shoulder arthroplasty exchange. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2023:10.1007/s00064-023-00801-1. [PMID: 37133809 DOI: 10.1007/s00064-023-00801-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/14/2023] [Indexed: 05/04/2023]
Abstract
OBJECTIVE Two-stage exchange with an antibiotic-loaded polymethylmethacrylate (PMMA) spacer is standard treatment for chronic periprosthetic joint infection of the shoulder. We present a safe and simple technique for patient-specific spacer implants. INDICATION (Chronic) periprosthetic joint infection of the shoulder. RELATIVE CONTRAINDICATIONS Known allergy against components of PMMA bone cements. Inadequate compliance for two-stage exchange. Patient is unfit to undergo two-stage exchange. SURGICAL TECHNIQUE Hardware removal, histologic and microbiologic samples, and debridement. Preparation of targeted or calculated antibiotic-loaded PMMA. Tailoring of patient-specific spacer. Spacer implantation. POSTOPERATIVE MANAGEMENT Rehabilitation protocol. Antibiotic treatment. Reimplantation after successful eradication of infection.
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Affiliation(s)
- Kilian List
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstraße 11, 97074, Wuerzburg, Germany.
| | - Laura Elisa Streck
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstraße 11, 97074, Wuerzburg, Germany
| | - Chiara Gaal
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstraße 11, 97074, Wuerzburg, Germany
| | - Leonard Achenbach
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstraße 11, 97074, Wuerzburg, Germany
| | - David Dines
- Hospital for Special Surgery, 525 East 71st Street, 10021, New York, NY, USA
| | - Maximilian Rudert
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstraße 11, 97074, Wuerzburg, Germany
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14
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Dettmer A, Melander M, Björnsson Hallgren HC, Adolfsson LE, Salomonsson B. The Choice of Antibiotic Prophylaxis Influences the Infection Reoperation Rate in Primary Shoulder Arthroplasty: Analysis From the Swedish Shoulder Arthroplasty Register. Clin Orthop Relat Res 2023; 481:728-734. [PMID: 36410009 PMCID: PMC10013674 DOI: 10.1097/corr.0000000000002466] [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: 05/25/2022] [Accepted: 09/30/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Periprosthetic joint infection is a serious complication and a major reason for revision surgery after primary shoulder arthroplasty. The prophylactic antibiotics for primary shoulder arthroplasty that have predominantly been used in Sweden are cloxacillin and clindamycin. To address Cutibacteriumacnes , benzylpenicillin has recently increasingly been added to cloxacillin, but it is unclear which antibiotic prophylaxis regimen is the most effective to prevent periprosthetic joint infection. QUESTIONS/PURPOSES After controlling for baseline differences among patients such as age, gender, previous surgery, cement fixation, and arthroplasty type, was the risk of reoperation for infection higher in patients who received cloxacillin than in those who received clindamycin or the combination of benzylpenicillin and cloxacillin? METHODS Data from the Swedish Shoulder Arthroplasty Register were used for this study. The inclusion criterion was registered antibiotic prophylaxis in primary arthroplasty. Between January 1, 1999, and December 31, 2019, 22,470 primary shoulder arthroplasties, including total shoulder, hemiarthroplasty, and reverse shoulder arthroplasties, were entered into the Swedish Shoulder Arthroplasty Register. Reporting of antibiotic prophylaxis to the register was introduced on January 1, 2013. Since then, the completeness of information on the type of antibiotic prophylaxis in the reports has been 85.3%. Consequently, 10,706 arthroplasties were eligible and fulfilled the inclusion criterion of reported antibiotic prophylaxis. A further 129 were excluded because of unusual prophylaxis regimens, leaving 10,577 shoulder arthroplasties for analysis. The Swedish Shoulder Arthroplasty Register gathers information from all 60 hospitals performing shoulder arthroplasty in Sweden, and through a comparison with the National Patient Register, it has been estimated that more than 90% of all primary shoulder arthroplasties and shoulder reoperations are reported to the register. The age of the study population ranged between 16 and 98 years; the mean age at the primary surgery was 70 ± 10 years for the entire cohort, with a mean age of 67 ± 10 years and 72 ± 9 years for men and women, respectively. The mean observation period was 989 ± 669 days. From 2013 to 2019, there was a clear change in prophylaxis; in particular, the use of the combination of benzylpenicillin and cloxacillin increased dramatically and the use of cloxacillin alone decreased. Clindamycin prophylaxis increased moderately. The primary study endpoint was reported reoperation for infection. In the register, this is defined as repeat procedures of any kind, including biopsy, lavage of the joint, or revision, defined as secondary surgery in which a component was exchanged, removed, or added. To compare the reoperation rate in relation to the different antibiotics used, which changed over time, we controlled for age, gender, previous surgery, cement fixation, and arthroplasty type using a Cox proportional hazards model. RESULTS When adjusting for age, gender, previous surgery, cement fixation, and arthroplasty type, cloxacillin prophylaxis was associated with an increased relative risk of reoperation for infection compared with the combination of cloxacillin and benzylpenicillin (hazard ratio [HR] 2.40 [95% confidence interval (CI) 1.35 to 4.25]; p = 0.003) and compared with clindamycin alone (HR 1.78 [95% CI 1.11 to 2.85]; p = 0.02). No difference was found between the cloxacillin and benzylpenicillin combination and clindamycin (HR 0.74 [95% CI 0.42 to 1.32]; p = 0.31). CONCLUSION Our results indicate that prophylaxis against C. acnes may be warranted in shoulder arthroplasty. Because the absolute number of infections was low and infections could have been underreported to the register, our results should be interpreted with caution. There is no available information about the causative microorganisms. The study lays the groundwork for further investigations of antibiotic prophylaxis regimens in shoulder arthroplasty. Because large randomized controlled trials would be impractical to perform, prospective register-based randomized controlled studies might be a viable method. LEVEL OF EVIDENCE Level Ⅲ, therapeutic study.
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Affiliation(s)
- Anne Dettmer
- Department of Biomedical and Clinical Science, Linköping University, Linköping, Sweden
- Department of Orthopaedics, Kalmar County Hospital, Kalmar, Sweden
| | - Marcus Melander
- Department of Clinical Science, Karolinska Institutet, Division of Orthopaedics, Danderyd Hospital, Stockholm, Sweden
| | - Hanna C. Björnsson Hallgren
- Department of Biomedical and Clinical Science, Linköping University, Linköping, Sweden
- Department of Orthopaedics, Linköping University Hospital, Linköping, Sweden
| | - Lars E. Adolfsson
- Department of Orthopaedics, Linköping University Hospital, Linköping, Sweden
- Department of Orthopaedics, Örebro University, Örebro, Sweden
| | - Björn Salomonsson
- Department of Clinical Science, Karolinska Institutet, Division of Orthopaedics, Danderyd Hospital, Stockholm, Sweden
- Division of Orthopaedics, Danderyd Hospital, Stockholm, Sweden
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15
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Lo EY, Ouseph A, Badejo M, Lund J, Bettacchi C, Garofalo R, Krishnan SG. Success of staged revision reverse total shoulder arthroplasty in eradication of periprosthetic joint infection. J Shoulder Elbow Surg 2023; 32:625-635. [PMID: 36243299 DOI: 10.1016/j.jse.2022.09.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 02/01/2023]
Abstract
INTRODUCTION Management of periprosthetic joint infection (PJI) in shoulder arthroplasty remains a challenge, with no established gold standard treatment. This study presents the unique experience of a high-volume single-surgeon, single-institution approach on staged revision reverse total shoulder arthroplasty (RTSA) for infection. The authors theorize that staged revision RTSA is an effective treatment for PJI. MATERIALS AND METHODS Between 2013 and 2018, 38 patients underwent a staged RTSA for treatment of PJI. Patient histories were collected and classified using Cierny-Mader classification. Infection workup for all patients included radiographs, laboratory indices, and computed tomographic aspiration arthrogram. PJI was identified based on high clinical and radiographic suspicion, elevated serologic markers, and/or aspirate culture results per 2018 International Consensus Meeting Shoulder guidelines on Orthopedic Infections. All patients underwent first stage with implant removal, irrigation and débridement, and antibiotic spacer placement. Next, intravenous antibiotics were administered by infectious disease consultants for a minimum of 6 weeks. Infection workup was then repeated and, if normalized, final-stage revision commenced with antibiotic spacer removal and revision to RTSA. If indices were persistently abnormal, an additional stage of débridement and spacer placement procedure was performed. Treatment failure was defined as recurrent periprosthetic infection after final prosthesis implantation or persistently elevated indices despite adequate débridement and spacer placement. RESULTS Mean age of the cohort was 68 (standard deviation [SD] 8.9) years and mean follow-up was 33 (SD 14) months with 34 Cierny-Mader C hosts and 4 B hosts. Patients underwent a mean of 2 (SD 1.1) previous surgeries. The staged revision protocol was successful in 34 (89.5%) patients for management of PJI. Four patients (10.5%) were considered failures with recurrent infections at a mean of 13 months (range 2-26 months) after the final RTSA implantation and underwent repeat staged revisions. Of the 34 patients who had successful infection eradication, 31 had 2-stage treatment and 3 had to undergo 3 stages. There were no treatment-associated mortalities and 10 major complications (26%), including permanent neuropathy, instability, and periprosthetic fractures. The most common cultured microorganism was Cutibacterium acnes (18%), with no polymicrobial infections detected. DISCUSSION Although there are multiple treatment options for PJI management, staged revision remains an effective means of treatment. Although there were several patients who required an additional stage of treatment, and a significant complication rate, staged revision RTSA proved successful in the ultimate eradication of the PJI.
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Affiliation(s)
- Eddie Y Lo
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA; The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA.
| | - Alvin Ouseph
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA; The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
| | | | - Julia Lund
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA; The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
| | - Christopher Bettacchi
- North Texas Infectious Diseases Consultants, Baylor University Medical Center, Dallas, TX, USA
| | - Raffaele Garofalo
- Upper Limb Unit, F Miulli Hospital, Acquaviva Delle Fonti, BA, Italy
| | - Sumant G Krishnan
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA; The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
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16
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Faria G, Flood C, Muhammed AR, Narang A, Masood Q, Bakti N, Singh B. Prosthetic joint infections of the shoulder: A review of the recent literature. J Orthop 2023; 36:106-113. [PMID: 36685110 PMCID: PMC9851837 DOI: 10.1016/j.jor.2022.12.011] [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: 11/22/2022] [Revised: 12/17/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
Introduction Shoulder arthroplasty is a common treatment for shoulder arthritis. Prosthetic joint infection of the shoulder (PJIS) is a debilitating complication to the patient and the healthcare system. Incidence of infection is 0.98-5% for primary arthroplasty. The mean hospital cost for two-stage revision was approximately $35,824. The aim of this paper is to review the recent literature and collate the latest evidence to aid diagnosis and treatment of this serious complication. Methods A literature review was performed using PubMed and Google Scholar databases. A search strategy was adopted using the keywords: 'infection' AND 'shoulder arthroplasty' OR 'total shoulder arthroplasty'OR 'TSA' OR 'reverse shoulder arthroplasty' OR 'RSA' OR 'rTSA'. This initial search resulted in 349 articles. A PRISMA flowchart process was followed. Duplicates were removed, screening was performed and the resulting full texts were analysed and further excluded, leaving 46 articles suitable for inclusion. A PICO search strategy was also used. Results and interpretation Risk factors for PJIS include procedure type, trauma indications and patient factors.The organism commonly isolated is Cutebacterium acnes, which makes diagnosis challenging due to its indolent nature. Investigations include biochemical tests, synovial aspirate, tissue cultures and radiological examinations.Treatment depends on the depth of the infection and the patient requirements. Medical treatment with antibiotics to local debridement, cement spacer and revision arthroplasty have all been described in the literature. A multidisciplinary decision is made on the microbiological evidence and patient factors. Conclusion PJIS is a rare but potentially devastating complication of shoulder arthroplasty and diagnosis is often challenging. There has been much research performed recently, providing more evidence on how to optimise management.
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Affiliation(s)
- Giles Faria
- Darent Valley Hospital, Darenth Wood Rd, Dartford, Kent, DA2 8DA, United Kingdom
| | - Catherine Flood
- Medway Maritime Hospital, Windmill Road, Gillingham, Kent, ME7 5NY, United Kingdom
| | | | - Ashish Narang
- Medway Maritime Hospital, Windmill Road, Gillingham, Kent, ME7 5NY, United Kingdom
| | - Qazi Masood
- Medway Maritime Hospital, Windmill Road, Gillingham, Kent, ME7 5NY, United Kingdom
| | - Nik Bakti
- Darent Valley Hospital, Darenth Wood Rd, Dartford, Kent, DA2 8DA, United Kingdom
| | - Bijayendra Singh
- Medway Maritime Hospital, Windmill Road, Gillingham, Kent, ME7 5NY, United Kingdom
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17
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Two-stage shoulder arthroplasty after deep infection of the shoulder caused by arthroplasty, osteosynthesis or other surgical procedures: microbial spectrum, complications and functional outcome after at least 1 year follow-up. Arch Orthop Trauma Surg 2023; 143:707-715. [PMID: 34432098 DOI: 10.1007/s00402-021-04129-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 08/12/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Infection represents probably the most challenging complication in shoulder arthroplasty and all other surgical procedures of the shoulder. A deep infection of the shoulder is often combined with a destruction of the joint and a loss of function. In many cases the arthroplasty is the last resort for these patients to obtain a satisfactory function. The objective of this study was to determine outcome data on microbiota and clinical results of a two-stage shoulder arthroplasty procedure after deep infection of the shoulder. METHODS Twenty-six patients with a deep shoulder infection after arthroplasty, osteosynthesis, or rotator-cuff repair were included, while two patients had an empyema without prior surgery. All underwent initial surgical debridement with implantation of an antibiotic-loaded spacer, followed by postoperative systemic antibiotics. The patients obtained definitive shoulder arthroplasty in a second surgery. None of the patients had to undergo more than two surgeries before the arthroplasty. The follow-up analysis including microbiota results, complication rates, and functional outcomes could be determined after at least 1 year in 60% of patients (n = 16). RESULTS The most frequently detected microorganisms were S. epidermidis (31%, n = 10) and Cutibacterium acnes (19%, n = 6). In 28% (n = 9) of cases multi-drug resistant bacteria were detected and in 35% (n = 8) of cases more than one microorganism was found. The overall revision rate was 42%, 11 of 26 patients, in the first 8 weeks after arthroplasty. Reasons for revision were joint dislocations in 23% (n = 6), 15% (n = 4) postoperative hematomas, one (4%) re-infection and one (4%) periprosthetic fracture. At follow-up after 19.3 ± 5.5 months postoperatively, a mean abduction of 113.4°, anteversion of 122.8° and external rotation of 14° was found, with an average age and gender-adjusted Constant Score of the affected shoulder of 63. The subjects' pain and impairment in normal life measured by a questionnaire with school grades were significantly reduced (p < 0.05) as compared to prior shoulder arthroplasty. CONCLUSION The most relevant bacteria in the study cohort were Staphylococcus subspecies and to a lower extent Cutibacterium acnes. A high number of multi-drug resistant and mixed microbiota spectra were detected, defining a need to adapt therapeutic regimen targeting these microbiotas. The two-stage shoulder arthroplasty after a deep infection resulted in excellent infection control with however high early postoperative rates for joint dislocation (23%) and hematomas (15%). At follow-up a stable joint was achieved with a sufficient functional outcome and satisfying outcome for activities of daily living and pain. CLINICAL TRIAL Trial registration number: DRKS00016927, date of registration: 2019/03/19.
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18
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Walocha D, Bogdan P, Gordon AM, Magruder ML, Conway CA, Razi AE, Choueka J. Risk factors for the development of a peri-prosthetic joint infection up to 2 Years following primary reverse shoulder arthroplasty. J Orthop 2023; 35:69-73. [PMID: 36411844 PMCID: PMC9674881 DOI: 10.1016/j.jor.2022.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 11/08/2022] [Indexed: 11/11/2022] Open
Abstract
Background Reverse shoulder arthroplasty (RSA) has become commonly used to treat glenohumeral osteoarthritis (GHOA), of which complications such as peri-prosthetic joint infections (PJIs) may develop. The objective of this study was to compare patient demographics of those who did and did not develop PJIs within 2 years after primary RSA for GHOA and identify risk factors for this sequela. Methods A nationwide database was queried from 2005 to 2014 for Medicare patients treated with primary RSA (International Classification of Disease (ICD-9) procedural code 81.88) for GHOA. Patients who developed PJIs within 2-years of primary RSA defined the study group, whereas those who were devoid of infections represented the comparison group. Our study consisted of 51,824 patients, of which 879 (1.69%) developed a PJI. Patient demographics comprising the Elixhauser comorbidity index (ECI) were compared using Chi-Square analyses. Multivariable logistic regression models were used to compute the odds-ratios (OR) of patient-specific factors associated with acquiring a PJI within 2 years after RSA. P values less than 0.002 were significant. Results Patients developing a PJI had higher mean ECI (8 vs. 6; p < 0.0001). The greatest risk factors for developing PJIs within 2-years following RSA were male sex (OR: 2.10, 95%CI: 1.81-2.43, p < 0.0001), pathologic weight loss (OR: 1.78, 95%CI: 1.45-2.17, p < 0.0001), iron deficiency anemia (OR: 1.75, 95%CI: 1.49-2.06, p < 0.0001), morbid obesity (OR: 1.52, 95%CI: 1.21-1.88, p = 0.0001), rheumatoid arthritis (OR: 1.32, 95%CI: 1.13-1.54, p = 0.0003), arrhythmias (OR: 1.26, 95%CI 1.09-1.46, p = 0.001), and depressive disorders (OR: 1.23, 95%CI 1.06-1.43, p = 0.001). Conclusions The greatest risk factors for PJIs within 2 years of primary RSA included male sex; additional modifiable risk factors included iron deficiency anemia, pathologic weight loss, and obesity. Preoperative screening can help to identify modifiable risk factors and alter management for high-risk patients to potentially minimize PJIs.
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Affiliation(s)
- Daniel Walocha
- Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA
- State University of New York (SUNY) Downstate, College of Medicine, Brooklyn, NY, USA
| | - Paulina Bogdan
- Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA
- State University of New York (SUNY) Downstate, College of Medicine, Brooklyn, NY, USA
| | - Adam M. Gordon
- Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA
| | - Matthew L. Magruder
- Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA
| | - Charles A. Conway
- Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA
| | - Afshin E. Razi
- Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA
| | - Jack Choueka
- Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA
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Sagkrioti M, Glass S, Arealis G. Evaluation of the effectiveness of skin preparation methods for the reduction of Cutibacterium acnes (formerly Propionibacterium acnes) in shoulder surgery: a systematic review. Shoulder Elbow 2022; 14:583-597. [PMID: 36479010 PMCID: PMC9720868 DOI: 10.1177/17585732211032523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/15/2021] [Indexed: 12/22/2022]
Abstract
Background Cutibacterium acnes (C. acnes) is the most common pathogen responsible for post-operative shoulder infections. The purpose of this study was to evaluate the effectiveness of skin preparation methods against C. acnes in shoulder surgery. Methods A systematic review was conducted evaluating the effectiveness of skin preparation methods in the reduction of C. acnes in patients undergoing shoulder surgery. Outcomes were assessed based on the effectiveness of the method used; side effects and cost were also analysed. Results Of the 19 included studies, 9 evaluated pre-surgical home treatments: 8 assessed benzoyl peroxide (BPO) and 6 concluded it is effective in reducing C. acnes. Nine studies assessed surgical skin preparation and concluded that Chlorhexidine gluconate (CHG) was not effective; in contrast hydrogen peroxide reduced C. acnes. Finally, one study evaluated an aseptic protocol using CHG and concluded that it was not effective. Conclusions It was demonstrated that BPO as home treatment is effective in reducing C. acnes load on skin; it rarely causes side effects and is also cost-effective. This study highlights non-effectiveness of CHG. There was some evidence that the addition of hydrogen peroxide could have a positive effect in the reduction of C. acnes skin load; however, more studies are required.
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Affiliation(s)
- Maria Sagkrioti
- Department of Infection Prevention and Control, East Kent Hospitals University NHS Foundation Trust, Canterbury, UK
| | - Stephen Glass
- Department of Microbiology, East Kent Hospitals University NHS Foundation Trust, Canterbury, UK
| | - Georgios Arealis
- Department of Trauma and Orthopaedics, East Kent Hospitals University NHS Foundation Trust, Canterbury, UK
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20
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Paziuk T, Cox RM, Gutman MJ, Rondon AJ, Nicholson T, Belden K, Namdari S. Periprosthetic joint infections of the shoulder: A 10-year retrospective analysis outlining the heterogeneity among these patients. Shoulder Elbow 2022; 14:598-605. [PMID: 36479014 PMCID: PMC9720872 DOI: 10.1177/17585732211019010] [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: 02/24/2021] [Revised: 04/28/2021] [Accepted: 04/29/2021] [Indexed: 11/15/2022]
Abstract
Background Diagnosis and treatment of shoulder periprosthetic joint infection is a difficult problem. The purpose of this study was to utilize the 2018 International Consensus Meeting definition of shoulder periprosthetic joint infection to categorize revision shoulder arthroplasty cases and determine variations in clinical presentation by presumed infection classification. Methods Retrospective review of patients undergoing revision shoulder arthroplasty at a single institution. Likelihood of periprosthetic joint infection was determined based on International Consensus Meeting scoring. All patients classified as definitive or probable periprosthetic joint infection were classified as periprosthetic joint infection. All patients classified as possible or unlikely periprosthetic joint infection were classified as aseptic. The periprosthetic joint infection cohort was subsequently divided into culture-negative, non-virulent microorganism, and virulent microorganism cohorts based on culture results. Results Four hundred and sixty cases of revision shoulder arthroplasty were reviewed. Eighty (17.4%) patients were diagnosed as definite or probable periprosthetic joint infection, of which 29 (36.3%), 39 (48.8%), and 12 (15.0%) were classified as virulent, non-virulent, or culture-negative periprosthetic joint infection, respectively. There were significant differences among periprosthetic joint infection subgroups with regard to preoperative C-reactive protein (p = 0.020), erythrocyte sedimentation rate (p = 0.051), sinus tract presence (p = 0.008), and intraoperative purulence (p < 0.001). The total International Consensus Meeting criteria scores were also significantly different between the periprosthetic joint infection cohorts (p < 0.001). Discussion While the diagnosis of shoulder periprosthetic joint infection has improved with the advent of International Consensus Meeting criteria, there remain distinct differences between periprosthetic joint infection classifications that warrant further investigation to determine the accurate diagnosis and optimal treatment.
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Affiliation(s)
- Taylor Paziuk
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Ryan M Cox
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Michael J Gutman
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Alexander J Rondon
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Thema Nicholson
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Katherine Belden
- Department of Infectious Disease, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Surena Namdari
- Rothman Orthopaedic Institute, Thomas Jefferson University, Philadelphia, PA, USA
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21
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Panther EJ, Hao KA, Wright JO, Schoch JJ, Ritter AS, King JJ, Wright TW, Schoch BS. Techniques for Decreasing Bacterial Load for Open Shoulder Surgery. JBJS Rev 2022; 10:01874474-202211000-00007. [PMID: 36821410 DOI: 10.2106/jbjs.rvw.22.00141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
» Benzoyl peroxide (BPO) 5% has been shown to reduce Cutibacterium acnes load on the skin. BPO 5% with miconazole nitrate (MN) 2% may be beneficial, whereas BPO 5% with clindamycin cream 1% to 1.2% does not seem to have additive effects when compared with BPO 5% alone. Chlorhexidine gluconate solutions reduce the total bacterial load on the skin, but do not seem to have a significant effect on C. acnes. » ChloraPrep seems to be the best surgical skin preparation to decrease overall positive skin cultures. Preincisional hydrogen peroxide 3% application has been shown to be a cost-effective practice to inhibit growth of C. acnes. Vancomycin powder before deltopectoral interval closure has antimicrobial effects against C. acnes and is a cost-effective practice. Finally, Bactisure surgical lavage is protective against the formation of biofilms. » IV cefazolin has been shown to be more effective for shoulder arthroplasty infection prophylaxis than antibiotic alternatives such as vancomycin. Thus, patients with a questionable history of penicillin allergy should undergo additional testing. » For shoulder surgery infection prophylaxis, we recommend the use of BPO 5% cream for 5 days preoperatively with chlorhexidine wipes the night before and the morning of surgery. IV cefazolin should be administered perioperatively, and patients with a questionable history of penicillin allergy should be tested. Surgeons should consider preincisional application of hydrogen peroxide 3% for 5 minutes, followed by standard ChloraPrep preparation. Normal saline should be used for preclosure lavage. Finally, application of vancomycin powder deep to the deltopectoral interval closure should be considered.
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Affiliation(s)
- Eric J Panther
- College of Medicine, University of Florida, Gainesville, Florida
| | - Kevin A Hao
- College of Medicine, University of Florida, Gainesville, Florida
| | - Jonathan O Wright
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida, Gainesville, Florida
| | - Jennifer J Schoch
- Department of Dermatology, University of Florida, Gainesville, Florida
| | - Alaina S Ritter
- Department of Infectious Diseases and Global Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Joseph J King
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida, Gainesville, Florida
| | - Thomas W Wright
- Department of Orthopaedic Surgery and Sports Medicine, University of Florida, Gainesville, Florida
| | - Bradley S Schoch
- Department of Orthopaedic Surgery, Mayo Clinic, Jacksonville, Florida
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22
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The 50 Highest Cited Papers on Shoulder Arthroplasty. Healthcare (Basel) 2022; 10:healthcare10102000. [PMID: 36292447 PMCID: PMC9602479 DOI: 10.3390/healthcare10102000] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/03/2022] [Accepted: 10/09/2022] [Indexed: 11/04/2022] Open
Abstract
The purpose of this study was to determine the 50 most cited articles on shoulder arthroplasty (SA) and their characteristics. The Thomson ISIWeb of Science was searched with the following search terms: "shoulder arthroplasty", "shoulder replacement", "shoulder prosthesis" and "shoulder implant". All papers dealing with SA, including its perioperative and postoperative management, were included in this study. Citations ranged from 797 to 52 for the 50 highest cited papers on SA. According to absolute numbers, the top 10 papers were cited at least 118 times. Overall, 78% (n = 43) were clinical and the remaining articles were basic science research (one anatomic, six biomechanical). The most prevalent level of evidence was IV (72%). The Journal of Shoulder and Elbow Surgery published 40% of the studies. The majority of studies were conducted in the United States and eight other countries. The publication years of the most-cited articles ranged from 1991 to 2020, with the 2000s accounting for the most articles (96%) and the period from 2006 to 2010 with the absolute largest number of articles (17). This article provides a building block in the SA surgery.
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23
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Nhan DT, Gong DC, Khoo KJ, Whitson AJ, Matsen FA, Hsu JE. Culturing explants for Cutibacterium at revision shoulder arthroplasty: an analysis of explant and tissue samples at corresponding anatomic sites. J Shoulder Elbow Surg 2022; 31:2017-2022. [PMID: 35447317 DOI: 10.1016/j.jse.2022.03.004] [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: 07/03/2021] [Revised: 02/22/2022] [Accepted: 03/06/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Culturing of deep tissues obtained at revision arthroplasty for Cutibacterium is a key component of diagnosing a periprosthetic infection. The value of culturing explanted components has not been well described. This study sought to answer the following questions: (1) How does the culture positivity of explant cultures compare with that of deep tissue cultures? (2) How often are explant cultures positive when tissue cultures are not, and vice versa? (3) How does the bacterial density in explant cultures compare with that in tissue cultures? METHODS A total of 106 anatomic arthroplasties revised over a 7-year period were included. Explant (humeral head, humeral stem, and glenoid) and tissue (collar membrane, humeral canal tissue, and periglenoid tissue) specimens were sent for semiquantitative Cutibacterium culture. We compared culture positivity and bacterial density when cultures of an explant and tissue adjacent to the implant were both available. RESULTS Explants had positive cultures at a higher rate than adjacent tissue specimens for most anatomic sites. Of the shoulders that had Cutibacterium growth, a higher proportion of explants were culture positive when tissue samples were negative (23%-43%) than vice versa (0%-21%). The Cutibacterium density was higher in explants than in tissues. Considering only the results of tissue samples, 16% of the shoulders met our threshold for infection treatment (≥2 positive cultures); however, with the inclusion of the results for explant cultures, additional 14% of cases-a total of 30%-met the criteria for infection treatment. CONCLUSIONS In this group of patients, culturing explants in addition to tissue cultures increased the sensitivity for detecting Cutibacterium in revision shoulder arthroplasty.
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Affiliation(s)
- Derek T Nhan
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA
| | - Davin C Gong
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA
| | - Kevin J Khoo
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA
| | - Anastasia J Whitson
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA
| | - Frederick A Matsen
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA
| | - Jason E Hsu
- Department of Orthopaedics and Sports Medicine, University of Washington Medical Center, Seattle, WA, USA.
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24
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Fritz J, Meshram P, Stern SE, Fritz B, Srikumaran U, McFarland EG. Diagnostic Performance of Advanced Metal Artifact Reduction MRI for Periprosthetic Shoulder Infection. J Bone Joint Surg Am 2022; 104:1352-1361. [PMID: 35730745 DOI: 10.2106/jbjs.21.00912] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The diagnosis of periprosthetic shoulder infection (PSI) in patients with a painful arthroplasty is challenging. Magnetic resonance imaging (MRI) may be helpful, but shoulder implant-induced metal artifacts degrade conventional MRI. Advanced metal artifact reduction (MARS) improves the visibility of periprosthetic bone and soft tissues. The purpose of our study was to determine the reliability, repeatability, and diagnostic performance of advanced MARS-MRI findings for diagnosing PSI. METHODS Between January 2015 and December 2019, we enrolled consecutive patients suspected of having PSI at our academic hospital. All 89 participants had at least 1-year clinical follow-up and underwent standardized clinical, radiographic, and laboratory evaluations and advanced MARS-MRI. Two fellowship-trained musculoskeletal radiologists retrospectively evaluated the advanced MARS-MRI studies for findings associated with PSI in a blinded and independent fashion. Both readers repeated their evaluations after a 2-month interval. Interreader reliability and intrareader repeatability were assessed with κ coefficients. The diagnostic performance of advanced MARS-MRI for PSI was quantified using sensitivity, specificity, and the area under the receiver operating characteristic curve (AUC). When applying the International Consensus Meeting (ICM) 2018 criteria, of the 89 participants, 22 (25%) were deemed as being infected and 67 (75%) were classified as being not infected (unlikely to have PSA and not requiring a surgical procedure during 1-year follow-up). RESULTS The interreader reliability and intrareader repeatability of advanced MARS-MRI findings, including lymphadenopathy, joint effusion, synovitis, extra-articular fluid collection, a sinus tract, rotator cuff muscle edema, and periprosthetic bone resorption, were good (κ = 0.61 to 0.80) to excellent (κ > 0.80). Lymphadenopathy, complex joint effusion, and edematous synovitis had sensitivities of >85%, specificities of >90%, odds ratios of >3.6, and AUC values of >0.90 for diagnosing PSI. The presence of all 3 findings together yielded a PSI probability of >99%, per logistic regression analysis. CONCLUSIONS Our study shows the clinical utility of advanced MARS-MRI for diagnosing PSI when using the ICM 2018 criteria as the reference standard. Although the reliability and diagnostic accuracy were high, these conclusions are based on our specific advanced MARS-MRI protocol interpreted by experienced musculoskeletal radiologists. Investigations with larger sample sizes are needed to confirm these results. LEVEL OF EVIDENCE Diagnostic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Jan Fritz
- New York University Grossman School of Medicine, New York University, New York, NY
| | | | - Steven E Stern
- Centre for Data Analytics, Bond University, Gold Coast, Queensland, Australia
| | - Benjamin Fritz
- Department of Radiology, Balgrist University Hospital, Zurich, Switzerland.,Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Uma Srikumaran
- Division of Shoulder Surgery, Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
| | - Edward G McFarland
- Division of Shoulder Surgery, Department of Orthopaedic Surgery, The Johns Hopkins University, Baltimore, Maryland
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25
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Hsu JE, Bumgarner RE, Bourassa LA, Budge MD, Duquin TR, Garrigues GE, Green A, Iannotti JP, Khazzam MS, Koh JL, Matsen FA, Namdari S, Nicholson TA, Richter SS, Sabesan VJ, Virk MS, Whitson AJ, Yian EH, Ricchetti ET. What do positive and negative Cutibacterium culture results in periprosthetic shoulder infection mean? A multi-institutional control study. J Shoulder Elbow Surg 2022; 31:1713-1720. [PMID: 35176494 DOI: 10.1016/j.jse.2022.01.127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Deep tissue culture specimens obtained at the time of revision shoulder arthroplasty are commonly positive for Cutibacterium. Clinical interpretation of positive cultures can be difficult. This was a multi-institutional study evaluating the accuracy of cultures for Cutibacterium using positive control (PC) and negative control (NC) samples. The relationship between time to culture positivity and strength of culture positivity was also studied. METHODS Eleven different institutions were each sent 12 blinded samples (10 PC and 2 NC samples). The 10 PC samples included 2 sets of 5 different dilutions of a Cutibacterium isolate from a failed total shoulder arthroplasty with a probable periprosthetic infection. At each institution, the samples were handled as if they were received from the operating room. Specimen growth, time to culture positivity, and strength of culture positivity (based on semiquantitative assessment) were reported. RESULTS A total of 110 PC samples and 22 NC samples were tested. One hundred percent of specimens at the 4 highest dilutions were positive for Cutibacterium. At the lowest dilution, 91% of samples showed positive findings. Cutibacterium grew in 14% of NC samples. Cutibacterium grew in PC samples at an average of 4.0 ± 1.3 days, and all of these samples showed growth within 7 days. The time to positivity was significantly shorter (P < .001) and the strength of positivity was significantly higher (P < .001) in true-positive cultures compared with false-positive cultures. CONCLUSIONS This multi-institutional study suggests that different institutions may report highly consistent rates of culture positivity for revision shoulder arthroplasty samples with higher bacterial loads. In contrast, with lower bacterial loads, the results are somewhat less consistent. Clinicians should consider using a shorter time to positivity and a higher strength of positivity as adjuncts in determining whether a tissue culture sample is a true positive.
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Affiliation(s)
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- ASES PJI Multicenter Research Group
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26
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Marigi EM, Bartels DW, Yoon JH, Sperling JW, Sanchez-Sotelo J. Antibiotic Prophylaxis with Cefazolin Is Associated with Lower Shoulder Periprosthetic Joint Infection Rates Than Non-Cefazolin Alternatives. J Bone Joint Surg Am 2022; 104:872-880. [PMID: 35188900 DOI: 10.2106/jbjs.21.00445] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Although prophylactic antibiotics are considered the standard of care, data with regard to the comparative efficacy of specific antibiotics in the prevention of periprosthetic joint infection (PJI) have remained limited. This study evaluated whether perioperative antibiotic choice affects rates of PJI development in shoulder arthroplasty. METHODS From 2000 to 2019, all primary shoulder arthroplasty types (hemiarthroplasty, anatomic total shoulder arthroplasty, reverse shoulder arthroplasty) performed for elective and trauma indications with perioperative antibiotic data and a minimum follow-up of 2 years were identified from a single institution. Demographic characteristics, PJI risk factors, and PJI-free survivorship data were retrieved. Multivariable analyses were conducted to determine the association between the antibiotic administered and the development of PJI. RESULTS Of 7,713 shoulder arthroplasties, cefazolin was administered in 6,879 procedures (89.2%) and non-cefazolin antibiotics consisting of vancomycin (465 procedures [6.0%]), clindamycin (345 procedures [4.5%]), and alternative regimens (24 procedures [0.31%]) were administered in 834 procedures (10.8%). PJIs occurred in 101 shoulder arthroplasties (1.3%), with Cutibacterium acnes as the most common pathogen (44 procedures [43.6%]). PJI-free survivorship was greater in shoulder arthroplasties in which cefazolin was administered compared with those in which non-cefazolin antibiotics were administered, with 0.91% greater survival free of PJI at 1 month, 1.4% at 1 year, and 2.7% at 15 years (p < 0.001). Cefazolin administration, compared with non-cefazolin administration, was associated with a 69% reduction in all-cause PJI risk and a 78% reduction in C. acnes PJI risk (p < 0.001). A higher risk of PJI for both groups was observed with vancomycin; the hazard ratio [HR] was 2.32 (95% confidence interval [CI], 1.22 to 4.40; p = 0.010) for all-cause PJI and 2.94 (95% CI, 1.12 to 7.49; p = 0.028) for C. acnes PJI. A higher risk of PJI was also observed for both groups for clindamycin; the HR was 5.07 (95% CI, 2.83 to 9.05; p < 0.001) for all-cause PJI and 8.01 (95% CI, 3.63 to 17.42; p < 0.001) for C. acnes PJI. CONCLUSIONS In primary shoulder arthroplasty, cefazolin administration was associated with a significantly lower rate of PJI compared with non-cefazolin alternatives, including both vancomycin and clindamycin. These risk discrepancies were observed across all infectious pathogens and may be considered even greater when C. acnes was the infecting bacterium. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Erick M Marigi
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | | | - Joo Hee Yoon
- Mayo Clinic Alix School of Medicine, Mayo Clinic, Rochester, Minnesota
| | - John W Sperling
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
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27
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Bartolotta RJ, Ha AS. Current Imaging Concepts in Shoulder and Hip Arthroplasty. Radiol Clin North Am 2022; 60:669-678. [DOI: 10.1016/j.rcl.2022.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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28
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Clindamycin Efficacy for Cutibacterium acnes Shoulder Device-Related Infections. Antibiotics (Basel) 2022; 11:antibiotics11050608. [PMID: 35625252 PMCID: PMC9137462 DOI: 10.3390/antibiotics11050608] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/20/2022] [Accepted: 04/25/2022] [Indexed: 02/04/2023] Open
Abstract
Clindamycin is an antibiotic with high bioavailability and appropriate bone diffusion, often proposed as an alternative in guidelines for C. acnes prosthetic joint infections. We aimed to evaluate the efficacy of clindamycin in the treatment of C. acnes shoulder implant joint infections (SIJI). Methods: A retrospective analysis was conducted at the University Hospital of Nice (France) between 2010 and 2019. We included patients with one shoulder implant surgical procedure and at least one C. acnes positive sample. We selected the C. acnes SIJI according to French and international recommendations. The primary endpoint was favorable outcome of C. acnes SIJI treatment after at least 1-year follow-up in the clindamycin group compared to another therapeutic group. Results: Forty-eight SIJI were identified and 33 were treated with clindamycin, among which 25 were treated with monotherapy. The median duration of clindamycin antibiotherapy was 6 weeks. The average follow-up was 45 months; one patient was lost to follow-up. Twenty-seven patients out of 33 (82%) were cured with clindamycin, compared to 9/12 (75%) with other antibiotics. The rate of favorable outcomes increased to 27/31 (87%) with clindamycin and to 9/10 (90%) for other antibiotics when no septic revision strategies were excluded (P = 1.00). Conclusions: The therapeutic strategy based on one- or two-stage revision associated with 6 weeks of clindamycin seems to be effective.
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29
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Streck LE, Forster J, von Hertzberg-Boelch SP, Reichel T, Rudert M, Rueckl K. The role of synovial fluid aspiration in shoulder joint infections. BMC Musculoskelet Disord 2022; 23:390. [PMID: 35473681 PMCID: PMC9044891 DOI: 10.1186/s12891-022-05285-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 03/29/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Joint aspiration with analysis of synovial fluid white blood cell count (WBC) and microbiological culture is a widely established aspect in the diagnosis of shoulder joint infections (SJI). In case of a two stage revision for SJI, joint aspiration before re-/implantation of a total shoulder arthroplasty (TSA) was used to rule out persistent infection for years but its value is under debate. Shoulder specific data on all aspects is rare. The current study aims to answer the following research questions: Does joint aspiration have an insufficient predictive value in the diagnosis of SJI in (1) initial workup and (2) before definite arthroplasty with polymethylmethacrylate (PMMA)-Spacer in place? METHODS This retrospective evaluation investigates 35 patients that were treated for SJI with a two staged implantation of a TSA after debridement and implantation of an PMMA-Spacer. Joint aspirations were performed preoperatively (PA) and before re-/implantation of the prosthesis while spacer was in place (interstage aspiration, IA). Samples were taken for microbiological culture and analysis of WBC. Sensitivity and specificity were calculated with reference to intraoperative microbiological samples. Receiver Operating Characteristic (ROC), Area-Under-Curve analysis (AUC) and calculation of the Youden index were performed to find optimum cut-off for WBC. RESULTS The sensitivity of microbiological cultures from PA was 58.3% and the specificity was 88.9%. The mean WBC was 27,800 leucocytes/mm3 (range 400-96,300). The maximum Youden index (0.857) was a cut-off of 2600 leucocytes/mm3 with a sensitivity of 85.7% and a specificity of 100.0%. The sensitivity and specificity of IA were 0.0% and 88.5%, respectively. CONCLUSIONS Preoperative aspiration is likely to miss Cutibacteria spp. and CoNS and cannot rule out infection for sure. However, we recommend it for its advantages of targeted antibiotic therapy in case of germ identification. Empiric antibiotic therapy should cover Cutibacteria and CoNS even if aspiration showed negative microbiological cultures. In contrast, the diagnostic value of interstage aspiration does not qualify for its routine use.
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Affiliation(s)
- Laura Elisa Streck
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstrasse 11, 97074, Wuerzburg, Germany
| | - Johannes Forster
- Insititute for Hygiene and Microbiology, University of Wuerzburg, Josef-Schneider-Strasse 2, 97080, Wuerzburg, Germany
| | | | - Thomas Reichel
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstrasse 11, 97074, Wuerzburg, Germany
| | - Maximilian Rudert
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstrasse 11, 97074, Wuerzburg, Germany
| | - Kilian Rueckl
- Department of Orthopedic Surgery, Koenig-Ludwig-Haus, University of Wuerzburg, Brettreichstrasse 11, 97074, Wuerzburg, Germany.
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30
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Yao JJ, Jurgensmeier K, Whitson AJ, Pottinger PS, Matsen FA, Hsu JE. Oral and IV Antibiotic Administration After Single-Stage Revision Shoulder Arthroplasty: Study of Survivorship and Patient-Reported Outcomes in Patients without Clear Preoperative or Intraoperative Infection. J Bone Joint Surg Am 2022; 104:421-429. [PMID: 34780386 DOI: 10.2106/jbjs.20.02263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Following revision shoulder arthroplasty, postoperative antibiotics are selected before the results of intraoperative cultures become available. We determined infection-free survival, revision-free survival, complications, and patient-reported outcomes for patients selected to receive oral or intravenous (IV) antibiotics after revision arthroplasty. METHODS This study included 92 patients who had revision shoulder arthroplasty. IV antibiotics were administered if the surgeon had a high index of suspicion for infection, and oral antibiotics were given if there was a low suspicion. Antibiotic therapy was modified based on intraoperative culture results. Patient-reported outcomes and adverse events were documented at a mean of 4.1 years. RESULTS In selecting antibiotic therapy, surgeons correctly predicted the presence or absence of multiple positive cultures of specimens from the revision surgery in 72% of the 92 cases. Subsequent re-revision surgery was required in 17 (18%) of the patients; 8 of these 17 patients had ≥2 positive cultures at re-revision. Patients who initially received IV antibiotics and those who initially received oral antibiotics had similar revision-free (p = 0.202) and infection-free (p = 0.155) survivorship. Patients requiring a change from oral to IV antibiotics based on positive cultures had similar survivorship compared with those initially treated with IV antibiotics. The IV and oral antibiotic groups had similar postoperative Simple Shoulder Test (SST), American Shoulder and Elbow Surgeons (ASES), and satisfaction scores. Patients receiving IV antibiotics had a higher rate of antibiotic-related adverse events. CONCLUSIONS Post-revision antibiotic therapy was associated with an infection-free survival rate of 91% at a mean of >4 years of follow-up. Infection-free survival, revision-free survival, and patient-reported outcomes were similar in high-risk patients placed on IV antibiotics and low-risk patients placed on oral antibiotics. Further study is needed to define the indications for IV or oral antibiotics after revision arthroplasty. LEVEL OF EVIDENCE Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Jie J Yao
- Department of Orthopaedic Surgery and Sports Medicine, University of Washington, Seattle, Washington
| | | | - Anastasia J Whitson
- Department of Orthopaedic Surgery and Sports Medicine, University of Washington, Seattle, Washington
| | - Paul S Pottinger
- Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, Washington
| | - Frederick A Matsen
- Department of Orthopaedic Surgery and Sports Medicine, University of Washington, Seattle, Washington
| | - Jason E Hsu
- Department of Orthopaedic Surgery and Sports Medicine, University of Washington, Seattle, Washington
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Outcomes after resection arthroplasty versus permanent antibiotic spacer for salvage treatment of shoulder periprosthetic joint infections: a systematic review and meta-analysis. J Shoulder Elbow Surg 2022; 31:668-679. [PMID: 34774777 DOI: 10.1016/j.jse.2021.10.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/29/2021] [Accepted: 10/11/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Although revision to new components is favored after shoulder periprosthetic joint infections (PJIs), implant exchange is not always feasible. In certain cases, definitive treatment may be retainment of an antibiotic spacer or resection arthroplasty. The purpose of this investigation was to systematically review the literature for studies reporting on outcomes after resection arthroplasty or permanent antibiotic spacer for salvage treatment of shoulder PJIs. METHODS A systematic review was performed using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. PubMed, SCOPUS, and Cochrane Central Register of Controlled Trials were searched for Level I-IV studies that reported on the final treatment of periprosthetic shoulder infections using resection arthroplasty or a permanent antibiotic spacer. Data recorded included study demographics, causative infectious organism, shoulder-specific range of motion and outcome measures, and infection eradication rate. Study methodological quality was analyzed using the Methodological Index for Non-Randomized Studies score. Forest plots of proportions and meta-analyses of single means were generated for infection eradication rates and outcomes, respectively. Heterogeneity was quantified using the I2 statistic. A P value of .05 was set as significant. RESULTS The initial search yielded 635 articles (211 duplicates, 424 screened, 57 full-text review). Twenty-three articles (126 resection arthroplasty and 177 retained antibiotic spacer patients, 51% females, mean age range 37-78.5 years, mean Methodological Index for Non-Randomized Studies score 9.6 ± 0.7) were included and analyzed. The pooled infection eradication rate was 82% (72%-89%) after resection arthroplasty and 85% (79%-90%) after permanent antibiotic spacer. The pooled mean forward flexion (71.5° vs. 48.7°; P < .001) and mean American Shoulder and Elbow Surgeons score (53.5 vs. 31.0; P < .001) were significantly higher for patients treated with a permanent antibiotic spacer compared with resection arthroplasty. No significant differences were found for mean external rotation (13.5° vs. 20.5°; P = .07), abduction (58.2° vs. 50.3°; P = .27), or visual analog scale pain (3.7 vs. 3.4; P = .24) between groups. There was a statistically significant, but not clinically significant, difference in mean Constant score between permanent antibiotic spacer and resection arthroplasty patients (33.6 vs. 30.0; P < .001). CONCLUSION When implant exchange after shoulder PJI is not feasible, permanent antibiotic spacers and resection arthroplasty are both salvage procedures that provide similar rates of infection eradication. Although both can decrease pain levels, the permanent antibiotic spacer may result in better functional outcomes compared with resection arthroplasty.
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Is sonication superior to dithiothreitol in diagnosis of periprosthetic joint infections? A meta-analysis. INTERNATIONAL ORTHOPAEDICS 2022; 46:1215-1224. [PMID: 35199219 DOI: 10.1007/s00264-022-05350-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/13/2022] [Indexed: 10/19/2022]
Abstract
PURPOSE Even though effective techniques in diagnosis of periprosthetic joint infections (PJIs) have been developed, the optimal modality has yet to be determined. The present meta-analysis aimed to compare the diagnostic accuracy of dithiothreitol (DTT) and sonication against the Musculoskeletal Infection Society criteria in patients undergoing revision joint surgery. METHODS We searched the PubMed, Scopus, and Central Cochrane register of controlled trials as well as gray literature until the 9th of November, 2021. We included articles considering the comparative diagnostic accuracy of sonication and DTT in adult patients having revision hip and knee arthroplasty for septic or aseptic reasons. We calculated pooled sensitivity, specificity, and diagnostic accuracy of the above diagnostic techniques against the Musculoskeletal Infection Society (MSIS) criteria and created receiver operating characteristics (ROC) curves to enable comparisons between each other. The quality of included papers was evaluated utilizing QUADAS-2 and QUADAS-C tools. RESULTS Data from five comparative studies totaling 726 implants were pooled together. The diagnostic accuracy of DTT and sonication were 86.7% (95% CI 82.7 to 90.1) and 83.9% (95% CI 79.7 to 87.5), respectively. Pooled sensitivity and specificity showed no statistically significant differences between DTT and sonication (0.7 [95% CI 0.62 to 0.77] vs 0.72 [95% CI 0.65 to 0.78], p = 0.14; and 0.99 [95% CI 0.97 to 1] vs 0.97 [95% CI 0.93 to 0.99], p = 5.5, respectively). CONCLUSIONS This meta-analysis did not identify any clinically meaningful difference between the diagnostic potential of sonication and the chemical-based biofilm dislodgment methods. This finding remained robust after adjusting for the administration of antibiotics prophylaxis, implementation of the polymerase chain reaction of sonicated fluid, and study quality.
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Kopechek KJ, Cvetanovich GL, Everhart JS, Frantz TL, Samade R, Bishop JY, Neviaser AS. Factors Associated With Elevated Inflammatory Markers Prior to Shoulder Arthroplasty. HSS J 2022; 18:70-77. [PMID: 35087335 PMCID: PMC8753553 DOI: 10.1177/1556331621998662] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 10/09/2020] [Indexed: 02/03/2023]
Abstract
Background: Preoperative erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) ranges for several shoulder arthroplasty indications are not well understood. Purpose: We sought to compare preoperative ESR and CRP values for a variety of shoulder arthroplasty indications and evaluate risk factors for elevated preoperative ESR and CRP values. Methods: We conducted a retrospective cohort study of shoulder arthroplasty cases performed at a single academic medical institution from 2013 to 2018. Preoperative ESR and CRP values for 235 shoulder arthroplasties with various indications were recorded. Independent risk factors for elevated values (CRP > 10.0 mg/L and ESR > 30.0 mm/h) were determined via multiple variable logistic regression. Results: Patients undergoing shoulder arthroplasty for osteoarthritis had an ESR (mean ± SD) of 22.6 ± 17.8, with 29.8% of patients elevated, and a CRP of 6.5 ± 6.4, with 25.5% of patients elevated. Arthroplasty for acute fracture and prosthetic joint infection (PJI) had higher preoperative ESR and CRP values. Multivariate analysis identified several predictors of elevated ESR, including infection, acute fracture, diabetes, and female sex. It also identified predictors of elevated CRP, including infection, acute fracture, and younger age. Conclusions: Preoperative ESR and CRP values may be elevated in 25% to 30% of patients undergoing primary shoulder arthroplasty. Arthroplasty for both acute fracture and PJI, along with several other patient factors, was associated with elevated preoperative ESR and CRP. Thus, routine collection of ESR and CRP preoperatively may not be of benefit, as elevated values are common. Further study is warranted.
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Affiliation(s)
- Kyle J. Kopechek
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Gregory L. Cvetanovich
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Joshua S. Everhart
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Travis L. Frantz
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Richard Samade
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Julie Y. Bishop
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Andrew S. Neviaser
- Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA,Andrew S. Neviaser, MD, Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA.
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Lim S, Lee JB, Shin MY, Jeon IH. Debridement, antibiotics, and implant retention in infected shoulder arthroplasty caused by Serratia marcescens: a case report. Clin Shoulder Elb 2022; 25:154-157. [PMID: 35045601 PMCID: PMC9185116 DOI: 10.5397/cise.2021.00479] [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] [Received: 09/06/2021] [Accepted: 10/18/2021] [Indexed: 11/25/2022] Open
Abstract
Periprosthetic joint infection (PJI) is one of the most devastating complications that can occur after shoulder arthroplasty. Although staged revision arthroplasty is the standard treatment in many cases, surgical intervention with debridement, antibiotics, and implant retention (DAIR) can be an effective option for acute PJI. We report a complex case of infected reverse shoulder arthroplasty (RSA) in a 73-year-old male. The patient had been previously treated for infected nonunion of a proximal humerus fracture caused by methicillin-resistant Staphylococcus epidermidis. He presented with a sinus tract 16 days after the implantation of RSA and was diagnosed with PJI caused by Serratia marcescens. The patient was successfully treated with DAIR and was free of infection at the last follow-up visit at 4 years postoperatively.
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Affiliation(s)
- Sungjoon Lim
- Department of Orthopaedic Surgery, National Police Hospital, Seoul, Korea
| | - Jun-Bum Lee
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Myoung Yeol Shin
- Department of Orthopaedic Surgery, National Police Hospital, Seoul, Korea
| | - In-Ho Jeon
- Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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35
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Akgün D, Wiethölter M, Siegert P, Danzinger V, Minkus M, Braun KF, Moroder P. The role of serum C-reactive protein in the diagnosis of periprosthetic shoulder infection. Arch Orthop Trauma Surg 2022; 142:1715-1721. [PMID: 33515325 PMCID: PMC9296386 DOI: 10.1007/s00402-021-03779-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/06/2021] [Indexed: 12/19/2022]
Abstract
INTRODUCTION There is a paucity of literature regarding serum C-reactive protein (CRP) in the evaluation of a shoulder periprosthetic joint infection (PJI). The purpose of the current study was to establish cutoff values for diagnosing shoulder PJI and evaluate the influence of the type of infecting microorganism and the classification subgroups according to last proposed International Consensus Meeting (ICM) criteria on the CRP level. MATERIALS AND METHODS A retrospective analysis of all 136 patients, who underwent septic or aseptic revision shoulder arthroplasty in our institution between January 2010 and December 2019, was performed. Shoulder PJI was defined according to the last proposed definition criteria of the ICM. Serum CRP levels were compared between infected and non-infected cases, between infection subgroups, as well as between different species of infecting microorganisms. A receiver-operating characteristic (ROC) analysis was performed to display sensitivity and specificity of serum CRP level for shoulder PJI. RESULTS A total of 52 patients (38%) were classified as infected, 18 meeting the criteria for definitive infection, 26 for probable infection and 8 for possible infection. According to the ROC curve, an optimized serum CRP threshold of 7.2 mg/l had a sensitivity of 69% and specificity of 74% (area under curve = 0.72). Patients with definitive infection group demonstrated significantly higher median serum CRP levels (24.3 mg/l), when compared to probable, possible infection groups and PJI unlikely group (8 mg/l, 8.3 mg/l, 3.6 mg/l, respectively, p < 0.05). The most common isolated microorganism was Cutibacterium acnes in 25 patients (48%) followed by coagulase-negative staphylococci (CNS) in 20 patients (39%). Patients with a PJI caused by high-virulent microorganisms had a significantly higher median serum CRP level compared to patients with PJI caused by low-virulent microorganisms (48 mg/l vs. 11.3 mg/l, p = 0.04). CONCLUSIONS Serum CRP showed a low sensitivity and specificity for the diagnosis of shoulder PJI, even applying cutoffs optimized by receiver-operating curve analysis. Low-virulent microorganisms and patients with probable and possible infections are associated with lower CRP levels compared to patients with definitive infection and infections caused by high-virulent microorganisms. LEVEL OF EVIDENCE Diagnostic Level III.
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Affiliation(s)
- Doruk Akgün
- Department for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charité–University Medicine Berlin, Corporate Member of Freie Universität Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Mats Wiethölter
- Department for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charité–University Medicine Berlin, Corporate Member of Freie Universität Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Paul Siegert
- Department for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charité–University Medicine Berlin, Corporate Member of Freie Universität Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Victor Danzinger
- Department for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charité–University Medicine Berlin, Corporate Member of Freie Universität Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Marvin Minkus
- Department for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charité–University Medicine Berlin, Corporate Member of Freie Universität Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Karl Friedrich Braun
- Department for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charité–University Medicine Berlin, Corporate Member of Freie Universität Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Philipp Moroder
- Department for Shoulder and Elbow Surgery, Center for Musculoskeletal Surgery, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Charité–University Medicine Berlin, Corporate Member of Freie Universität Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
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Defining a Synovial Fluid White Blood Cell Count Threshold to Predict Periprosthetic Infection after Shoulder Arthroplasty. J Clin Med 2021; 11:jcm11010050. [PMID: 35011791 PMCID: PMC8745041 DOI: 10.3390/jcm11010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 11/17/2022] Open
Abstract
Background: The diagnosis of periprosthetic shoulder infection (PSI) requires a thorough diagnostic workup. Synovial fluid aspiration has been proven to be a reliable tool in the diagnosis of joint infections of the lower extremity, but shoulder specific data is limited. This study defines a threshold for synovial fluid white blood cell count (WBC) and assesses the reliability of microbiological cultures. Methods: Retrospective study of preoperative and intraoperative fluid aspiration of 31 patients who underwent a revision of a shoulder arthroplasty (15 with PSI defined by IDSA criteria, 16 without infection). The threshold for WBC was calculated by ROC/AUC analysis. Results: WBC was significantly higher in patients with PSI than in other patients. A threshold of 2800 leucocytes/mm3 showed a sensitivity of 87% and a specificity of 88% (AUROC 0.92). Microbiological cultures showed a sensitivity of 76% and a specificity of 100%. Conclusions: A threshold of 2800 leucocytes/mm3 in synovial fluid can be recommended to predict PSI. Microbiological culture has an excellent specificity and allows for targeted antibiotic therapy. Joint aspiration presents an important pillar to diagnose PSI.
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37
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Scheer V, Bergman Jungeström M, Serrander L, Scheer J, Kalén A. The pencil eraser swab technique to quantify Cutibacterium acnes on shoulder skin. J Bone Jt Infect 2021; 6:451-456. [PMID: 35024297 PMCID: PMC8738962 DOI: 10.5194/jbji-6-451-2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 11/26/2021] [Indexed: 11/20/2022] Open
Abstract
Introduction: Cutibacterium acnes is the most common cause of postoperative infections in orthopaedic shoulder surgery and is hard to eradicate with current measures. Newer strategies focus on reducing bacterial load on the skin before surgery. Several previous studies have used a large number of both described and undescribed sampling techniques. The purpose of this study was to compare three previously described swab techniques to obtain bacterial cultures: Levine's (L) technique, the Z technique and the pencil eraser swab (PES) technique. Methods: Three consecutive skin swabs were collected from the right shoulder, on 15 healthy male volunteers, using Levine's technique, Z technique and PES technique from each participant. To determine the number of living bacteria, serial dilutions were made, and after culturing for 5 d, viable count (VC) was expressed as CFU/mL (with CFU representing colony-forming unit). Results: The PES technique yielded significantly higher VC than the two others. PES: median 3700 CFU/mL, L: 200 CFU/mL and Z: 220 CFU/mL ( p = 0.003 ). There was no significant difference between the methods regarding the number of positive cultures. PES: 14/15, L: 11/15 and Z: 12/15. Conclusions: There is a need to harmonise sampling techniques of C. acnes in order to compare the efficacy of different measures to reduce the bacterial load on the skin before and during surgery. Of the three tested methods, the PES technique is simple and produces the highest bacterial counts.
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Affiliation(s)
- Vendela M. Scheer
- Department of Biomedical and Clinical Sciences, Linköping
University, Linköping, 581 85, Sweden
| | | | - Lena Serrander
- Division of Clinical Microbiology, Department of Biomedical and
Clinical Sciences, Linköping University, Linköping, 581 85,
Sweden
| | - Johan H. Scheer
- Division of Orthopedics, Department of Biomedical and Clinical
Sciences, Linköping, 581 85, Sweden
| | - Anders Kalén
- Division of Orthopedics, Department of Biomedical and Clinical
Sciences, Linköping, 581 85, Sweden
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38
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Schiffman CJ, Hsu JE, Khoo KJ, Whitson A, Yao JJ, Wu JC, Matsen FA. Association Between Serum Testosterone Levels and Cutibacterium Skin Load in Patients Undergoing Elective Shoulder Arthroplasty: A Cohort Study. JB JS Open Access 2021; 6:JBJSOA-D-21-00030. [PMID: 34901690 PMCID: PMC8654446 DOI: 10.2106/jbjs.oa.21.00030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cutibacterium periprosthetic joint infections are important complications of shoulder arthroplasty. Although it is known that these infections are more common among men and that they are more common in patients with high levels of Cutibacterium on the skin, the possible relationship between serum testosterone levels and skin Cutibacterium levels has not been investigated.
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Affiliation(s)
- Corey J Schiffman
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington
| | - Jason E Hsu
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington
| | - Kevin J Khoo
- University of Washington School of Medicine, Seattle, Washington
| | - Anastasia Whitson
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington
| | - Jie J Yao
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington
| | - John C Wu
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington
| | - Frederick A Matsen
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington
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Rondon AJ, Paziuk T, Gutman MJ, Williams GR, Namdari S. Spacers for life: high mortality rate associated with definitive treatment of shoulder periprosthetic infection with permanent antibiotic spacer. J Shoulder Elbow Surg 2021; 30:e732-e740. [PMID: 34087272 DOI: 10.1016/j.jse.2021.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 05/03/2021] [Accepted: 05/08/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Periprosthetic joint infection following shoulder arthroplasty represents a challenging problem for orthopedic surgeons. Although recent studies have supported 2-stage exchanges, this treatment choice may not be appropriate for all patients. Definitive antibiotic spacer placement represents one treatment strategy with limited reported outcomes in the literature. The purpose of this study was to investigate the mortality rate and functional outcomes associated with definitive spacer placement. METHODS A retrospective chart review identified 17 patients who were treated with definitive antibiotic spacer placement (18 spacers) and were followed up for a minimum of 2 years after surgery. The mortality rate over the study period was determined. Demographic information, clinical course, patient-reported outcomes (American Shoulder and Elbow Surgeons score, Single Assessment Numeric Evaluation score, and Veterans RAND 12 [VR-12] score), infection parameters as defined by International Consensus Meeting criteria, radiographic evaluation findings, and rotator cuff integrity at the time of spacer placement were collected. RESULTS Seventeen patients underwent treatment with retained antibiotic spacers at a mean age of 62.4 years (range, 50-73 years). Ten patients were women, and the mean body mass index was 30.5 (range, 22.9-39.9). Spacer placement occurred at a mean of 6.1 years (range, 0.48-14.9 years) following index arthroplasty. Five patients required spacer exchange. The most common organisms were Cutibacterium acnes (6) and methicillin-sensitive Staphylococcus aureus (6); in addition, methicillin-resistant S aureus (2), coagulase-negative Staphylococcus (2), Serratia marcescens (1), gram-positive cocci (1), Enterobacter faecalis (1), Enterobacter cloacae (1), diphtheroids (1), and an infection with negative culture findings (1) were observed. The mortality rate was 52.9% (9 of 17 patients). Among the 8 surviving patients, the mean American Shoulder and Elbow Surgeons score was 33.9 (range, 13.3-80.0), the mean Single Assessment Numeric Evaluation score was 35.6 (range, 0.0-80.0), the mean VR-12 mental score was 57.2 (range, 36.6-66.9), and the mean VR-12 physical score was 37.1 (range, 21.7-64.0) at a mean of 4.7 years (range, 2.0-8.8 years). CONCLUSION Definitive antibiotic spacer placement is an acceptable method to treat infection in medically frail patients who have a high mortality risk. Spacer exchange may be necessary because of persistent infection, and functional results are poor.
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Affiliation(s)
| | - Taylor Paziuk
- Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Michael J Gutman
- Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Gerald R Williams
- Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Surena Namdari
- Rothman Institute, Thomas Jefferson University, Philadelphia, PA, USA.
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Nezwek TA, Dutcher L, Mascarenhas L, Woltemath A, Thirumavalavan J, Lund J, Lo EY, Krishnan SG. Prior shoulder surgery and rheumatoid arthritis increase early risk of infection after primary reverse total shoulder arthroplasty. JSES Int 2021; 5:1062-1066. [PMID: 34766085 PMCID: PMC8568803 DOI: 10.1016/j.jseint.2021.06.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Background Reverse total shoulder arthroplasty (RTSA) has become an increasingly popular surgery for patients with rotator cuff arthropathy, unreconstructible proximal humeral fracture, and end-stage glenohumeral arthritis. The increased annual volume of RTSAs has resulted in more postoperative complications and revision rates between 3.3% and 10.1%. Postoperative infection is one of the most common complications requiring revision surgery after primary RTSA. This study assesses patient-specific risk factors for development of early infection after primary RTSA in a single high-volume shoulder arthroplasty institution. Methods From 2014 to 2019, 902 consecutive primary RTSAs were performed for surgical treatment of rotator cuff arthropathy, glenohumeral arthritis, inflammatory arthropathy, and/or dislocation. Excluding proximal humeral or scapula fractures, 756 cases met the inclusion criteria and had a minimum of 3-month follow-up. All surgeries were performed using the same surgical technique and received similar antibiotic prophylaxis. Age, patient demographics, medical history, smoking history, and prior ipsilateral shoulder treatment and/or surgery were recorded. Multivariable logistic regression analysis was used to determine risk factors associated with development of postoperative shoulder infection. Results Thirty-five patients did not meet minimum follow-up criteria and were lost to follow-up. Overall, of 721, 22 patients (3%) developed a postoperative ipsilateral shoulder infection. Previous nonarthroplasty surgery and history of rheumatoid arthritis were significantly associated with the development of postoperative shoulder infection. Amongst 196 patients who had previous nonarthroplasty shoulder surgery, there were 12 postoperative shoulder infections (6%) compared with those without previous shoulder surgery (10 of 525, 2%) (P = .003). Among 58 patients with rheumatoid arthritis, there were 5 postoperative shoulder infections (9%) compared with patients without rheumatoid arthritis (17 of 663, 3%) (P = .010). Patient age, gender, smoking status, history of diabetes mellitus, history of cancer/immunosuppression, and prior cortisone injection did not demonstrate significant associations with the development of postoperative infection. Conclusion Prior nonarthroplasty shoulder surgery and/or rheumatoid arthritis are independently associated with the development of postoperative infection after primary RTSA. Patients who demonstrate these risk factors should be appropriately evaluated and preoperatively counseled before undergoing primary RTSA. Strong consideration should be given to avoid minimally invasive nonarthroplasty surgery as a temporizing measure to delay definitive RTSA.
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Affiliation(s)
- Teron A. Nezwek
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
| | - Lincoln Dutcher
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
| | | | | | | | - Julia Lund
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
| | - Eddie Y. Lo
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
- Corresponding author: Eddie Y. Lo, MD, 3900 Junius Street, Suite 740, Dallas, TX 75246, USA.
| | - Sumant G. Krishnan
- The Shoulder Center Research, Baylor Scott and White Research Institute, Dallas, TX, USA
- The Shoulder Service, Baylor University Medical Center, Baylor Scott and White Health, Dallas, TX, USA
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41
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Nabergoj M, Denard PJ, Collin P, Trebše R, Lädermann A. Radiological changes, infections and neurological complications after reverse shoulder arthroplasty related to different design types and their rates: Part II. EFORT Open Rev 2021; 6:1109-1121. [PMID: 34909229 PMCID: PMC8631237 DOI: 10.1302/2058-5241.6.210040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Early reported complication rates with the Grammont-type reverse shoulder arthroplasty (RSA) were very high, up to 24%.A 'problem' is defined as an intraoperative or postoperative event that is not likely to affect the patient's final outcome, such as intraoperative cement extravasation and radiographic changes. A 'complication' is defined as an intraoperative or postoperative event that is likely to affect the patient's final outcome, including infection, neurologic injury and intrathoracic central glenoid screw placement.Radiographic changes around the glenoid or humeral components of the RSA are very frequently observed and described in the literature.High complication rates related to the Grammont RSA design led to development of non-Grammont designs which led to a dramatic fall in the majority of complications.The percentage of radiological changes after RSA is not negligible and remains unsolved, despite a decrease in its occurrence in the last decade. However, such changes should be now considered as simple problems because they rarely have a negative influence on the patient's final outcome, and their prevalence has dramatically decreased.With further changes in indications and designs for RSA, it is crucial to accurately track the rates and types of complications to justify its new designs and increased indications. Cite this article: EFORT Open Rev 2021;6:1109-1121. DOI: 10.1302/2058-5241.6.210040.
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Affiliation(s)
- Marko Nabergoj
- Valdoltra Orthopaedic Hospital, Ankaran, Slovenia
- Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | | | - Philippe Collin
- Centre Hospitalier Privé Saint-Grégoire (Vivalto Santé), Saint- Grégoire, France
| | - Rihard Trebše
- Valdoltra Orthopaedic Hospital, Ankaran, Slovenia
- Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Alexandre Lädermann
- Division of Orthopaedics and Trauma Surgery, La Tour Hospital
- Division of Orthopaedics and Trauma Surgery, Department of Surgery, Geneva University Hospitals, Geneva, Switzerland
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Bdeir M, Dally FJ, Assaf E, Gravius S, Mohs E, Hetjens S, Darwich A. Periprosthetic Infections of the Shoulder Joint: Characteristics and 5-Year Outcome of a Single-Center Series of 19 Cases. Antibiotics (Basel) 2021; 10:antibiotics10091125. [PMID: 34572707 PMCID: PMC8471027 DOI: 10.3390/antibiotics10091125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/14/2021] [Accepted: 09/16/2021] [Indexed: 11/17/2022] Open
Abstract
Periprosthetic shoulder infection (PSI) remains a devastating complication after total shoulder arthroplasty (TSA). Furthermore, there is a paucity in the literature regarding its diagnostic and therapeutic management, especially the absence of therapy concepts devised exclusively for PSI. The aim of the presenting study is to examine the characteristics and outcome of patients with PSI who were treated according to well-established algorithms developed originally for periprosthetic joint infection (PJI) of the hip and knee and determine if these algorithms can be applied to PSI. This single-center case series included all patients with a PSI presenting between 2010 and 2020. Recorded parameters included age, sex, affected side, BMI, ASA score, Charlson comorbidity index, preoperative anticoagulation, indication for TSA (fracture, osteoarthritis or cuff-arthropathy), and type of infection (acute or chronic PSI). The outcome was divided into treatment failure or infect resolution. Staphylococcus epidermidis and aureus were the commonest infecting pathogens. Acute PSI was mainly treated with debridement, irrigation, and retention of the prosthesis (DAIR) and chronic cases with two/multiple-stage exchange. The treatment failure rate was 10.5%. C-reactive protein was preoperatively elevated in 68.4% of cases. The mean number of operative revisions was 3.6 ± 2.6, and the mean total duration of antibiotic treatment was 72.4 ± 41.4 days. The most administered antibiotic was a combination of clindamycin and fluoroquinolone. In summary, the data of the current study suggest that therapeutical algorithms and recommendations developed for the treatment of PJI of the hip and knee are also applicable to PSI.
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Affiliation(s)
- Mohamad Bdeir
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany; (M.B.); (F.-J.D.); (E.A.); (S.G.); (E.M.)
| | - Franz-Joseph Dally
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany; (M.B.); (F.-J.D.); (E.A.); (S.G.); (E.M.)
| | - Elio Assaf
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany; (M.B.); (F.-J.D.); (E.A.); (S.G.); (E.M.)
| | - Sascha Gravius
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany; (M.B.); (F.-J.D.); (E.A.); (S.G.); (E.M.)
| | - Elisabeth Mohs
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany; (M.B.); (F.-J.D.); (E.A.); (S.G.); (E.M.)
| | - Svetlana Hetjens
- Institute of Medical Statistics and Biomathematics, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany;
| | - Ali Darwich
- Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany; (M.B.); (F.-J.D.); (E.A.); (S.G.); (E.M.)
- Correspondence: ; Tel.: +49-621-383-6006
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Ruditsky A, McBeth Z, Curry EJ, Cusano A, Galvin JW, Li X. One Versus 2-Stage Revision for Shoulder Arthroplasty Infections: A Systematic Review and Analysis of Treatment Selection Bias. JBJS Rev 2021; 9:01874474-202109000-00004. [PMID: 35417431 DOI: 10.2106/jbjs.rvw.20.00219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
BACKGROUND There is controversy regarding the optimal treatment for infection following shoulder arthroplasty. The purpose of this systematic review is to analyze the bias in treatment selection, infection clearance rates, and functional outcomes after 1 versus 2-stage revision surgery for periprosthetic shoulder infections. METHODS A systematic search strategy following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines was conducted in 4 phases. Articles were identified using MEDLINE (PubMed), Embase (Elsevier), and Cochrane Library databases with Boolean search terms related to infection after shoulder arthroplasty. Included articles were analyzed for quality, and data were extracted for use. Preoperative treatment selection bias was analyzed and postoperative infection clearance rates and functional outcome scores were compared between 1 and 2-stage revision surgery for periprosthetic shoulder infection. RESULTS Overall, 163 1-stage shoulder procedures and 289 2-stage shoulder procedures were included in the analysis. Cutibacterium acnes was the organism most frequently grown on culture (37%) followed by coagulase-negative Staphylococcus (19%). The overall infection clearance rate was 95.6% for 1-stage and 85.2% for 2-stage procedures. In a comparison of the change in outcome scores from preoperatively to postoperatively between 1-stage and 2-stage revision, the Constant-Murley Score (CMS) improved 21.0 points (1-stage) versus 22.8 points (2-stage), the American Shoulder and Elbow Surgeons (ASES) score improved 26.2 points versus 33.6 points, and the Simple Shoulder Test (SST) score improved 3.5 points versus 6.4 points, respectively. Overall, 23 of 26 studies cited a reason for selection of a 1 versus 2-stage procedure, which was due to standard treatment protocol in 10 studies, based on the timing of the infection (acute versus subacute versus chronic) in 5, due to a combination of factors (age, comorbidities, intraoperative appearance, adequacy of debridement, bone loss) in 6, and due to preoperative identification of a specific organism in 2. CONCLUSIONS One-stage revisions resulted in higher infection clearance rates; however, 2-stage revisions resulted in greater functional improvement as measured with ASES and SST scores from the preoperative assessment to the final postoperative follow-up. The decision between 1 and 2-stage revisions is due to a combination of factors including pathogen type, timing of infection, findings on the preoperative clinical examination, the patient's own decision, the surgeon's preference, and the intraoperative soft-tissue/osseous appearance, which may have biased the overall results. There is no consensus in the literature on the decision between 1 and 2-stage treatment for periprosthetic shoulder infection, which is based on a combination of factors. However, both treatment strategies are effective in treating periprosthetic shoulder infection. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
| | | | | | - Antonio Cusano
- University of Connecticut School of Medicine, Farmington, Connecticut
| | | | - Xinning Li
- Boston University School of Medicine, Boston, Massachusetts
- Boston Medical Center, Boston, Massachusetts
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Henry TW, Entezari V, Ghoraishian M, Williams GR, Namdari S. Complications Associated With Intravenous Antibiotic Treatment for Cutibacterium acnes Periprosthetic Shoulder Infection. Orthopedics 2021; 44:e422-e426. [PMID: 34039208 DOI: 10.3928/01477447-20210414-17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Whether positive Cutibacterium acnes cultures during revision shoulder arthroplasty represent true periprosthetic joint infection (PJI), deep tissue inoculant, or laboratory contaminant is a point of substantial controversy. The purpose of this study was to review complications of intravenous antibiotics used for treatment of presumed C acnes shoulder PJI. A study population of 26 patients treated for C acnes PJI with a minimum follow-up of 2 years after operative treatment was established. Complication occurrence and severity were obtained through chart review and phone survey. Sixteen (61.5%) patients experienced a therapeutic complication. Twelve (46.2%) patients experienced a total of 47 antibiotic-associated adverse effects and 10 (38.5%) patients experienced 11 total peripherally inserted central catheter line-associated complications. Female sex carried an increased risk for severe complications (relative risk, 3.3; 95% CI, 1.2-9.5; P=.024). Treatment duration of greater than 6 weeks was a significant predictor for the total number of complications experienced [F(1,23)=5.361; P=.030; adjusted R2=0.189]. Age older than 65 years, treatment duration greater than 6 weeks, and female sex were significant predictors for the number of severe complications [F(3,21)=3.249; P=.042; adjusted R2=0.219]. Treating C acnes infection with intravenous antibiotics carries a substantial risk of adverse events, highlighting the importance of accurate diagnosis of shoulder PJI. Further investigations into the efficacy and safety profile of oral antibiotics for shoulder PJI are necessary. [Orthopedics. 2021;44(3):e422-e426.].
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Patel VV, Ernst SMC, Rangarajan R, Blout CK, Lee BK, Itamura JM. Validation of new shoulder periprosthetic joint infection criteria. J Shoulder Elbow Surg 2021; 30:S71-S76. [PMID: 33895298 DOI: 10.1016/j.jse.2021.04.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/14/2021] [Accepted: 04/15/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND A periprosthetic joint infection (PJI) in the shoulder can be difficult to diagnose. Many variables have been used to determine a PJI. Recently, the 2018 International Consensus Meeting (ICM) on orthopedic infections gave new criteria to help identify PJI in the shoulder. With the new criteria (major and minor), the PJI definition can be categorized into definite, probable, possible, and unlikely. This study was conducted to assess the new criteria for a series of consecutive first stage revision shoulder arthroplasty cases. METHODS All patients undergoing a first stage revision shoulder arthroplasty using a prosthesis made of antibiotic-loaded acrylic cement (PROSTALAC) spacer from 2016 through 2019 were evaluated retrospectively. All cases were performed by a single surgeon. Each case was reviewed using the 2018 shoulder ICM diagnostic criteria. Secondary factors evaluated were type of organism identified, accuracy of minor criteria, and frozen vs. permanent section accuracy. RESULTS A total of 87 first-stage revision arthroplasty cases were reviewed. Based on the 2018 ICM criteria, there were 20 definite (30.0%), 19 probable (21.8%), 6 possible (6.9%), and 42 unlikely (48.3%) infections. Cutibacterium acnes was the most common infectious organism overall (77.3% of culture positive cases) and was present in 39.1% of cases overall. Ten patients (25.6%) grew multiple organisms. Thirty-one patients (35.6%) had a loose humeral stem, with 23 of those patients (74.2%) having a definite or probable infection (odds ratio [OR] 7.2, 95% confidence interval [CI] 2.67-19.37, P = .0001). Eleven patients (91.7%) with an elevated intraoperative synovial neutrophil cell count had a definite or probable infection. Erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) was elevated in patients with a definite or probable infection (OR 9.4, 95% CI 2.47-35.62, P = .0010, and OR 7.7, 95% CI 2.29-25.56, P = .0009), respectively. Discordant results between frozen and permanent sections were found in 4 patients (4.6%). CONCLUSION The 2018 ICM shoulder infection criteria gave a new scoring system to diagnose PJI. C acnes was the most common infectious organism identified. Patients who had a loose humeral stem, elevated ESR, or elevated CRP were more likely to have either a definite or probable PJI. Frozen sections were able to accurately identify definite infections. Unexpected wound drainage and positive preoperative cultures were low-yield criteria in this series. More research into determining periprosthetic shoulder infection is needed to help identify which patients are more likely to have an infection.
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Affiliation(s)
- Vikas V Patel
- Kerlan-Jobe Institute at White Memorial Medical Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
| | - Stephen M C Ernst
- Kerlan-Jobe Institute at White Memorial Medical Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Rajesh Rangarajan
- Kerlan-Jobe Institute at White Memorial Medical Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Collin K Blout
- Kerlan-Jobe Institute at White Memorial Medical Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Brian K Lee
- Kerlan-Jobe Institute at White Memorial Medical Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - John M Itamura
- Kerlan-Jobe Institute at White Memorial Medical Center, Cedars-Sinai Medical Center, Los Angeles, CA, USA
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Scheer VM, Jungeström MB, Serrander L, Kalén A, Scheer JH. Benzoyl peroxide treatment decreases Cutibacterium acnes in shoulder surgery, from skin incision until wound closure. J Shoulder Elbow Surg 2021; 30:1316-1323. [PMID: 33545336 DOI: 10.1016/j.jse.2020.12.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 02/01/2023]
Abstract
INTRODUCTION Most surgical site infections after shoulder surgery are caused by Cutibacterium acnes. Topically applied benzoyl peroxide (BPO) has for years been used to decrease the skin load of C acnes in treatment of acne vulgaris. The purpose of this study was to examine this effect on bacterial colonization in patients subjected to elective shoulder surgery at different stages of the procedure. METHODS A total of 100 patients scheduled for primary elective open shoulder surgery were randomized to prepare either with BPO or according to local guidelines-with soap (control group). Four skin swabs were taken in a standardized manner at different times, before and after surgical skin preparation, 1 in dermis, and finally after the skin was sutured. Before skin incision, 5 punch biopsies (3 mm in diameter and maximum 4 mm deep) were retrieved spaced 2 cm apart in the planned skin incision. On culturing, quantification of C acnes was made by serial dilutions. RESULTS Men had a 5-fold higher amount of C acnes on untreated skin. Treatment with BPO considerably lowered this count (P = .0001) both before and after skin disinfection compared to the control group. This positive effect of BPO persisted until skin closure, the point at which some recolonization of C acnes had occurred, but to a higher degree in the control group (P = .040). CONCLUSION Preoperative BPO treatment of the shoulder may be an effective method to decrease bacterial skin load of C acnes from skin incision until wound closure.
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Affiliation(s)
- Vendela M Scheer
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.
| | | | - Lena Serrander
- Division of Clinical Microbiology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Anders Kalén
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Orthopedics, Linköping University, Linköping, Sweden
| | - Johan H Scheer
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Orthopedics, Linköping University, Linköping, Sweden
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Bordure P, Marc C, Hubert L, Rony L. Does the retention of osseointegrated prosthetic implants during the surgical management of chronic infections following reverse total shoulder arthroplasty (RTSA) influence functional outcomes without impacting the efficacy of the infection treatment? Orthop Traumatol Surg Res 2021; 107:102906. [PMID: 33789197 DOI: 10.1016/j.otsr.2021.102906] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/22/2020] [Accepted: 11/23/2020] [Indexed: 02/03/2023]
Abstract
INTRODUCTION The gold standard (GS) for treating chronic infections following reverse total shoulder arthroplasty (RTSA) is a complete exchange of the prosthesis carried out in one or two stages. This surgical procedure, which may damage the bone stock, can result in poor functional outcomes due to intraoperative complications. The purpose of this study was to compare the GS to a surgical technique that retained osseointegrated implants: the partial one-stage exchange. HYPOTHESIS Partial one-stage exchange was effective in treating chronic infections after RTSA (no recurrent infection) and resulted in better functional outcomes than the GS. MATERIALS AND METHODS This retrospective single-center study included 18 patients with chronic infection after a primary RTSA. Two treatments were compared in a non-randomized fashion. The first included 11 patients who underwent a partial one-stage exchange with implant retention in case of macroscopic osseointegration. The second included seven patients who were treated with the GS: six patients with a complete one-stage exchange and one patient with a two-stage surgical approach. The absence of recurrent infection and functional outcomes were assessed after a minimum of two years. RESULTS There were no statistically significant differences in treatment efficacy between the two strategies: 91% vs. 100%, respectively. The partial one-stage exchange resulted in a significantly improved shoulder function compared to the GS with postoperative Constant scores of 55±14.58 vs. 44±14.45, respectively (p=.03). In the partial one-stage exchange group, there was a significantly improved shoulder function with a preoperative Constant score of 40 [28-55]±9.04 preoperatively vs. 55 [25-75]±14.58 postoperatively (p=.01). The GS treatment did not significantly improve the postoperative function (p=.09). DISCUSSION Partial one-stage exchange does not compromise treatment efficacy of chronic infections after RTSA. This technique resulted in better shoulder function than a conventional GS-type management. A study with greater statistical power is required. LEVEL OF EVIDENCE III; clinical series, retrospective, single-center.
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Affiliation(s)
- Pierre Bordure
- Orthopaedic & Traumatologic Surgery Department, University hospital, 4, rue Larrey, Angers, France.
| | - Clément Marc
- Orthopaedic & Traumatologic Surgery Department, University hospital, 4, rue Larrey, Angers, France
| | - Laurent Hubert
- Orthopaedic & Traumatologic Surgery Department, University hospital, 4, rue Larrey, Angers, France
| | - Louis Rony
- Orthopaedic & Traumatologic Surgery Department, University hospital, 4, rue Larrey, Angers, France
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Levy BJ, Grimm NL, Jimenez AE, Shea KP, Mazzocca AD. Is there value in the routine practice of discarding the incision scalpel from the surgical field to prevent deep wound contamination with Cutibacterium acnes? J Shoulder Elbow Surg 2021; 30:806-810. [PMID: 32771608 PMCID: PMC7409834 DOI: 10.1016/j.jse.2020.07.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/13/2020] [Accepted: 07/19/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Cutibacterium acnes is found in skin flora of the shoulder and is the most common microbe identified in periprosthetic shoulder infections. The purpose of this study is to determine if there is C acnes present on the incision scalpel in patients undergoing shoulder arthroplasty despite extensive skin preparation techniques to prevent wound contamination. METHODS The authors collected a consecutive case series of patients meeting inclusion criteria. Patients were included if they underwent either primary or revision shoulder arthroplasty at the tertiary care hospital with the senior author during the study period. Culture swab samples, testing for presence of C acnes, were collected from 17 consecutive patients who underwent shoulder arthroplasty with a single fellowship-trained surgeon between November 2019 and March 2020. Culture reports were recorded as "positive" or "negative" after 21 days. Institutional review board approval of the study protocol was obtained. The null hypothesis was that there would be no cases with knife blades "culture positive" for C acnes. RESULTS 17 patients were identified and fit inclusion criteria. There were 12 men (mean age 64.3 years, range 48-79 years) and 5 women (mean age 69.8 years, range 59-79 years). Two patients (11.8%) were found to have C acnes growth on the skin knife. Both patients were male and older than 70 years undergoing primary reverse shoulder arthroplasty with no history of previous shoulder infections. CONCLUSION The presence of C acnes on the skin blade in 2 patients validates concerns that there is C acnes present in dermal tissue despite extensive attention to eradication of these microbes. There was a high rate of C acnes contamination on scalpel blades used for initial skin incisions and the authors conclude that there is value in discarding these blades from the surgical field.
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Affiliation(s)
- Benjamin J Levy
- Department of Orthopedic Surgery, UConn Health, Farmington, CT, USA.
| | - Nathan L Grimm
- Department of Orthopedic Surgery, UConn Health, Farmington, CT, USA; Idaho Sports Medicine Institute, Boise, ID, USA
| | - Andrew E Jimenez
- Department of Orthopedic Surgery, UConn Health, Farmington, CT, USA
| | - Kevin P Shea
- Department of Orthopedic Surgery, UConn Health, Farmington, CT, USA
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Bauer S, Dietz B, Trampuz A, Marchetti O. Humeral periosteal spur sign with osteolysis as an early radiographic indicator of low-grade Cutibacterium acnes prosthetic shoulder infection. BMJ Case Rep 2021; 14:14/3/e239020. [PMID: 33766962 PMCID: PMC8006776 DOI: 10.1136/bcr-2020-239020] [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] [Indexed: 11/04/2022] Open
Abstract
The early diagnosis of low-grade Cutibacterium acnes prosthetic shoulder joint infection is challenging due to the lack of clinical and laboratory signs. Patients present with atypical symptoms such as stiffness or failure to improve shoulder function. The diagnosis is often delayed with impact on long-term outcomes. We present the case of an 82-year-old man with a surgical site erythema occurring 7 weeks after reverse shoulder arthroplasty associated with a light raise of C reactive protein (20 mg/L). At 9 weeks, radiographs revealed a 'periosteal spur sign' (humeral calcar) and localised adjacent osteolysis. Open surgery showed morphological signs of infection confirmed by growth of C acnes in eight cultures. A 'periosteal spur sign' is a useful early radiographic indicator of low-grade prosthetic joint infection usually occurring with some delay after clinical symptoms. A high clinical index of suspicion is needed to proceed with biopsies and to initiate combined operative and antibacterial treatment.
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Affiliation(s)
- Stefan Bauer
- Department of Orthopaedics and Trauma Surgery, EHC, Morges, Vaud, Switzerland
| | - Benjamin Dietz
- Department of Orthopaedics, Trauma and Spine Surgery, St Josefs Hospital, Wiesbaden, Hessen, Germany
| | - Andrej Trampuz
- Charité - Universitätsmedizin, Center for Musculoskeletal Surgery (CMSC), Berlin, Germany
| | - Oscar Marchetti
- Department of Medicine, Infectious Diseases, EHC, Morges, Vaud, Switzerland
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Morris BJ, Kiser CJ, Laughlin MS, Sheth MM, Dunn WR, Elkousy HA, Edwards TB. A localized laminar flow device decreases airborne particulates during shoulder arthroplasty: a randomized controlled trial. J Shoulder Elbow Surg 2021; 30:580-586. [PMID: 32949760 DOI: 10.1016/j.jse.2020.08.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 08/17/2020] [Accepted: 08/24/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND Although the rate of periprosthetic joint infection following shoulder arthroplasty is low, it is a morbid and costly complication. Airborne particulates have long been recognized as a potential source of wound contamination, and operating room-mounted and smaller localized laminar airflow devices have been developed to minimize airborne particulates. This randomized controlled trial evaluated the effectiveness of a localized laminar flow device in reducing the intrusion of ambient airborne particles and bacteria into the surgery site during shoulder arthroplasty as measured by overall particle counts and colony-forming units (CFUs). METHODS Patients undergoing primary anatomic or reverse shoulder arthroplasty were eligible for participation. After providing informed consent, patients were randomly assigned to the Air Barrier System (ABS) group or control group. For all patients, the ABS was placed on the surgical field; however, it was only turned on by the technician for those randomized to the ABS. Study participants, surgeons, and surgical staff were blinded to group assignment. Bacterial CFUs were collected from within 5 cm of the surgical wound every 10 minutes, whereas airborne particulates were collected every minute. Poisson regression models were used to determine whether differences existed in CFUs and particulate counts between the ABS and control groups. RESULTS A total of 43 patients were randomized into the ABS (n = 21) or control (n = 22) group. Surgical time (P = .53) and the average staff count (P = .16) in the operating room did not differ between groups. Poisson regression showed that the ABS group had significantly lower CFUs (β = -0.583, P < .001) along with surgical time and particulates with a diameter ≥ 5 μm. Staff count and particulates with a diameter < 5 μm were not significant predictors of CFUs. Infection was not a primary outcome; however, no postoperative infections have been reported in either study group with a minimum of 1-year follow-up for all patients. DISCUSSION This double-blinded, randomized trial demonstrated that a localized laminar flow device dramatically reduced the count of CFUs in the air directly above the wound and beneath the ABS (adjusted for the number of operating room personnel and surgical time). The use of the device was not associated with a longer case duration; however, some additional setup time was required prior to surgical incision to place the device. Further study is required to determine the clinical implications of this finding-specifically, whether such devices result in lower rates of periprosthetic joint infection after shoulder arthroplasty.
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Affiliation(s)
- Brent J Morris
- Fondren Orthopedic Group, Texas Orthopedic Hospital, Houston, TX, USA; Fondren Orthopedic Research Institute, Houston, TX, USA; Texas Education and Research Foundation for Shoulder and Elbow Surgery, Houston, TX, USA
| | - Casey J Kiser
- Orthopaedics and Sports Medicine, Geisinger Holy Spirit, Camp Hill, PA, USA
| | - Mitzi S Laughlin
- Fondren Orthopedic Research Institute, Houston, TX, USA; Texas Education and Research Foundation for Shoulder and Elbow Surgery, Houston, TX, USA.
| | - Mihir M Sheth
- Department of Orthopaedic Surgery, Baylor College of Medicine, Houston, TX, USA
| | - Warren R Dunn
- Fondren Orthopedic Research Institute, Houston, TX, USA; Texas Education and Research Foundation for Shoulder and Elbow Surgery, Houston, TX, USA
| | - Hussein A Elkousy
- Fondren Orthopedic Group, Texas Orthopedic Hospital, Houston, TX, USA; Fondren Orthopedic Research Institute, Houston, TX, USA; Texas Education and Research Foundation for Shoulder and Elbow Surgery, Houston, TX, USA
| | - T Bradley Edwards
- Fondren Orthopedic Group, Texas Orthopedic Hospital, Houston, TX, USA; Fondren Orthopedic Research Institute, Houston, TX, USA; Texas Education and Research Foundation for Shoulder and Elbow Surgery, Houston, TX, USA
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