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Ottink KD, Dorleijn DMJ, Spierenburg W, Ploegmakers JJW, Zijlstra WP, Ettema HE, ten Have BLEF, Jutte PC, Wouthuyzen-Bakker M. Positive Intraoperative Cultures in Cup Revisions of THA: What Happens to the Stem? Clin Orthop Relat Res 2024; 482:779-786. [PMID: 37847413 PMCID: PMC11008641 DOI: 10.1097/corr.0000000000002873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 08/28/2023] [Indexed: 10/18/2023]
Abstract
BACKGROUND Positive intraoperative cultures (PICs) are encountered in some patients undergoing revision of the acetabular cup after a previous THA. It is unknown whether PIC of the cup indicates whether the stem is infected as well and what happens to the stem during follow-up. QUESTIONS/PURPOSES (1) What proportion of patients undergoing THA who undergo cup revision have PICs? (2) What is the survival of the stem during follow-up in cup revisions with PICs versus that of those with negative cultures? (3) Does antibiotic treatment of PIC of the cup prevent revision THA during follow-up? METHODS In this retrospective, comparative multicenter study, five surgeons at four centers performed 338 acetabular cup revisions between January 2015 and December 2017. After evaluating the data, we excluded one patient because of an incomplete dataset and 77 patients because fewer than three intraoperative cultures were obtained during surgery, leaving 260 patients for analysis. Follow-up was 2 years. Patients were stratified into three cohorts: no PIC, one PIC, and two or more PICs. RESULTS The proportion of patients with one or more PIC was 15% (39 of 260). A total of 8% (21 of 260) had one and 7% (18 of 260) had two or more PICs. Stem survival was lower in patients with two or more PICs, but stem revision for periprosthetic joint infection was similar between groups. Two-year survival, which was defined as freedom from revision for any cause or infection, was 97% (95% confidence interval 95% to 99%) in the group without PICs, 100% (95% CI 95% to 100%) in the group with one PIC, and 86% (95% CI 68% to 100%; p = 0.08) in the group with two or more PICs. None of the patients in the no PIC and one PIC groups were treated with antibiotics. In the two or more PICs cohort, 12 of 18 patients were treated. The stem survived in one of 12 patients treated with antibiotics versus two of six patients who were not treated with antibiotics. CONCLUSION When treated with antibiotics, more than two PICs isolated during cup revision surgery do not have a major impact on survival of the stem during follow-up. A larger cohort of patients with PICs during cup revision might confirm these findings. LEVEL OF EVIDENCE Level III, therapeutic study.
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Affiliation(s)
- Karsten D. Ottink
- Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Desirée M. J. Dorleijn
- Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Willemijn Spierenburg
- Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Joris J. W. Ploegmakers
- Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Wierd P. Zijlstra
- Department of Orthopedics, Medical Center Leeuwarden, Leeuwarden, the Netherlands
| | | | | | - Paul C. Jutte
- Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Oosterhoff JHF, de Hond AAH, Peters RM, van Steenbergen LN, Sorel JC, Zijlstra WP, Poolman RW, Ring D, Jutte PC, Kerkhoffs GMMJ, Putter H, Steyerberg EW, Doornberg JN. Machine Learning Did Not Outperform Conventional Competing Risk Modeling to Predict Revision Arthroplasty. Clin Orthop Relat Res 2024:00003086-990000000-01528. [PMID: 38470976 DOI: 10.1097/corr.0000000000003018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 02/01/2024] [Indexed: 03/14/2024]
Abstract
BACKGROUND Estimating the risk of revision after arthroplasty could inform patient and surgeon decision-making. However, there is a lack of well-performing prediction models assisting in this task, which may be due to current conventional modeling approaches such as traditional survivorship estimators (such as Kaplan-Meier) or competing risk estimators. Recent advances in machine learning survival analysis might improve decision support tools in this setting. Therefore, this study aimed to assess the performance of machine learning compared with that of conventional modeling to predict revision after arthroplasty. QUESTION/PURPOSE Does machine learning perform better than traditional regression models for estimating the risk of revision for patients undergoing hip or knee arthroplasty? METHODS Eleven datasets from published studies from the Dutch Arthroplasty Register reporting on factors associated with revision or survival after partial or total knee and hip arthroplasty between 2018 and 2022 were included in our study. The 11 datasets were observational registry studies, with a sample size ranging from 3038 to 218,214 procedures. We developed a set of time-to-event models for each dataset, leading to 11 comparisons. A set of predictors (factors associated with revision surgery) was identified based on the variables that were selected in the included studies. We assessed the predictive performance of two state-of-the-art statistical time-to-event models for 1-, 2-, and 3-year follow-up: a Fine and Gray model (which models the cumulative incidence of revision) and a cause-specific Cox model (which models the hazard of revision). These were compared with a machine-learning approach (a random survival forest model, which is a decision tree-based machine-learning algorithm for time-to-event analysis). Performance was assessed according to discriminative ability (time-dependent area under the receiver operating curve), calibration (slope and intercept), and overall prediction error (scaled Brier score). Discrimination, known as the area under the receiver operating characteristic curve, measures the model's ability to distinguish patients who achieved the outcomes from those who did not and ranges from 0.5 to 1.0, with 1.0 indicating the highest discrimination score and 0.50 the lowest. Calibration plots the predicted versus the observed probabilities; a perfect plot has an intercept of 0 and a slope of 1. The Brier score calculates a composite of discrimination and calibration, with 0 indicating perfect prediction and 1 the poorest. A scaled version of the Brier score, 1 - (model Brier score/null model Brier score), can be interpreted as the amount of overall prediction error. RESULTS Using machine learning survivorship analysis, we found no differences between the competing risks estimator and traditional regression models for patients undergoing arthroplasty in terms of discriminative ability (patients who received a revision compared with those who did not). We found no consistent differences between the validated performance (time-dependent area under the receiver operating characteristic curve) of different modeling approaches because these values ranged between -0.04 and 0.03 across the 11 datasets (the time-dependent area under the receiver operating characteristic curve of the models across 11 datasets ranged between 0.52 to 0.68). In addition, the calibration metrics and scaled Brier scores produced comparable estimates, showing no advantage of machine learning over traditional regression models. CONCLUSION Machine learning did not outperform traditional regression models. CLINICAL RELEVANCE Neither machine learning modeling nor traditional regression methods were sufficiently accurate in order to offer prognostic information when predicting revision arthroplasty. The benefit of these modeling approaches may be limited in this context.
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Affiliation(s)
- Jacobien H F Oosterhoff
- Amsterdam UMC, University of Amsterdam, Department of Orthopedic Surgery and Sports Medicine, Amsterdam, the Netherlands
- Department of Engineering Systems and Services, Faculty of Technology Policy and Management, Delft University of Technology, Delft, the Netherlands
| | - Anne A H de Hond
- Clinical AI Implementation and Research Lab, Leiden University Medical Center, Leiden, the Netherlands
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Rinne M Peters
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, Leeuwarden, the Netherlands
| | | | - Juliette C Sorel
- Department of Orthopaedic Surgery, Leiden University Medical Centre, Leiden, the Netherlands
| | - Wierd P Zijlstra
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, Leeuwarden, the Netherlands
| | - Rudolf W Poolman
- Department of Orthopaedic Surgery, Leiden University Medical Centre, Leiden, the Netherlands
| | - David Ring
- Department of Surgery and Perioperative Care, Dell Medical School, University of Texas, Austin, TX, USA
| | - Paul C Jutte
- Department of Orthopaedic and Trauma Surgery, University Medical Center Groningen, University of Groningen, the Netherlands
| | - Gino M M J Kerkhoffs
- Amsterdam UMC, University of Amsterdam, Department of Orthopedic Surgery and Sports Medicine, Amsterdam, the Netherlands
| | - Hein Putter
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Ewout W Steyerberg
- Clinical AI Implementation and Research Lab, Leiden University Medical Center, Leiden, the Netherlands
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Job N Doornberg
- Department of Orthopaedic and Trauma Surgery, University Medical Center Groningen, University of Groningen, the Netherlands
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van Dooren B, Peters RM, van der Wal-Oost AM, Stevens M, Jutte PC, Zijlstra WP. The Direct Superior Approach in Total Hip Arthroplasty: A Systematic Review. JBJS Rev 2024; 12:01874474-202403000-00010. [PMID: 38489398 PMCID: PMC10939469 DOI: 10.2106/jbjs.rvw.23.00182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
BACKGROUND Evolution of the surgical approach for total hip arthroplasty (THA) has led to the development of the minimally invasive direct superior approach (DSA). It is hypothesized that the DSA reduces postoperative pain and hospital length of stay (LOS). We aimed to provide an overview of current evidence on clinical, functional, and radiological outcomes with respect to risk of revision, complications, pain scores, physical function, operative time, LOS, blood loss, radiological outcomes, and learning curve. METHODS A comprehensive search of Medline, Embase, Web of Science, Cochrane Central Register of Controlled Trials, and Google Scholar, reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses literature search extension guidelines, was conducted to identify studies evaluating clinical, functional, and radiological outcomes of the DSA. Quality assessment was performed using the Cochrane Risk of Bias tool and Newcastle-Ottawa Scale. The review protocol was prospectively registered in the International Prospective Registry of Systematic Reviews. RESULTS Seventeen studies were included, generally of moderate quality. Qualitative synthesis evidenced accurate implant positioning, short LOS, and a short learning curve. Conflicting findings were reported for postoperative complications compared with conventional approaches. Better functional outcomes were seen in the early postoperative period than the posterolateral approach (PLA). Outcomes such as blood loss and operative time exhibited conflicting results and considerable heterogeneity. CONCLUSION Based on moderate-certainty evidence, it is uncertain if the DSA provides short-term advantages over conventional approaches such as PLA. There is limited evidence on long-term outcomes post-THA using the DSA. Further studies and ongoing registry monitoring is crucial for continuous evaluation of its long-term outcomes. LEVEL OF EVIDENCE Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Bart van Dooren
- Department of Orthopedics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
- Department of Orthopedics, Medical Center Leeuwarden, Leeuwarden, the Netherlands
| | - Rinne M. Peters
- Department of Orthopedics, Medical Center Leeuwarden, Leeuwarden, the Netherlands
- Department of Orthopedics, Martini Hospital, Groningen, the Netherlands
| | | | - Martin Stevens
- Department of Orthopedics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Paul C. Jutte
- Department of Orthopedics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Wierd P. Zijlstra
- Department of Orthopedics, Medical Center Leeuwarden, Leeuwarden, the Netherlands
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Spek RWA, Spekenbrink-Spooren A, Vanhommerig JW, Jonkman N, Doornberg JN, Jaarsma RL, Jutte PC, van der Veen HC, van Noort A, van den Bekerom MPJ. Primary reverse total shoulder arthroplasty for fractures requires more revisions than for degenerative conditions 1 year after surgery: an analysis from the Dutch Arthroplasty Register. J Shoulder Elbow Surg 2023; 32:2508-2518. [PMID: 37327989 DOI: 10.1016/j.jse.2023.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/18/2023] [Accepted: 05/06/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Although reverse total shoulder arthroplasty (RTSA) is considered a viable treatment strategy for proximal humeral fractures, there is an ongoing discussion of how its revision rate compares with indications performed in the elective setting. First, this study evaluated whether RTSA for fractures conveyed a higher revision rate than RTSA for degenerative conditions (osteoarthritis, rotator cuff arthropathy, rotator cuff tear, or rheumatoid arthritis). Second, this study assessed whether there was a difference in patient-reported outcomes between these 2 groups following primary replacement. Finally, the results of conventional stem designs were compared with those of fracture-specific designs within the fracture group. MATERIALS AND METHODS This was a retrospective comparative cohort study with registry data from the Netherlands, generated prospectively between 2014 and 2020. Patients (aged ≥ 18 years) were included if they underwent primary RTSA for a fracture (<4 weeks after trauma), osteoarthritis, rotator cuff arthropathy, rotator cuff tear, or rheumatoid arthritis, with follow-up until first revision, death, or the end of the study period. The primary outcome was the revision rate. The secondary outcomes were the Oxford Shoulder Score, EuroQol 5 Dimensions (EQ-5D) score, numerical rating scale score (pain at rest and during activity), recommendation score, and scores assessing change in daily functioning and change in pain. RESULTS This study included 8753 patients in the degenerative condition group (mean age, 74.3 ± 7.2 years) and 2104 patients in the fracture group (mean age, 74.3 ± 7.8 years). RTSA performed for fractures showed an early steep decline in survivorship: Adjusted for time, age, sex, and arthroplasty brand, the revision risk after 1 year was significantly higher in these patients than in those with degenerative conditions (hazard ratio [HR], 2.50; 95% confidence interval, 1.66-3.77). Over time, the HR steadily decreased, with an HR of 0.98 at year 6. Apart from the recommendation score (which was slightly better within the fracture group), there were no clinically relevant differences in the patient-reported outcome measures after 12 months. Patients who received conventional stems (n = 1137) did not have a higher likelihood of undergoing a revision procedure than those who received fracture-specific stems (n = 675) (HR, 1.70; 95% confidence interval, 0.91-3.17). CONCLUSION Patients undergoing primary RTSA for fractures have a substantially higher likelihood of undergoing revision within the first year following the procedure than patients with degenerative conditions preoperatively. Although RTSA is regarded as a reliable and safe treatment option for fractures, surgeons should inform patients accordingly and incorporate this information in decision making when opting for head replacement surgery. There were no differences in patient-reported outcomes between the 2 groups and no differences in revision rates between conventional and fracture-specific stem designs.
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Affiliation(s)
- Reinier W A Spek
- Department of Orthopaedic Surgery, Flinders Medical Centre, Flinders University, Adelaide, South Australia, Australia; Department of Orthopaedic Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands; Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands.
| | | | | | - Nini Jonkman
- Department of Epidemiology, OLVG, Amsterdam, The Netherlands
| | - Job N Doornberg
- Department of Orthopaedic Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Ruurd L Jaarsma
- Department of Orthopaedic Surgery, Flinders Medical Centre, Flinders University, Adelaide, South Australia, Australia
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Hugo C van der Veen
- Department of Orthopaedic Surgery, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Arthur van Noort
- Department of Orthopaedic Surgery, Spaarne Gasthuis, Hoofddorp, The Netherlands; Department of Orthopaedic Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Michel P J van den Bekerom
- Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands; Shoulder and Elbow Expertise Center, Amsterdam, The Netherlands; Faculty of Behavioral and Movement Sciences, Department of Human Movement Sciences, Vrije Universiteit, Amsterdam, The Netherlands
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Schoenmakers JWA, López-Álvarez M, IJpma FFA, Wouthuyzen-Bakker M, McNamara JO, van Oosten M, Jutte PC, van Dijl JM. Correction to: A fluorogenic micrococcal nuclease‑based probe for fast detection and optical imaging of Staphylococcus aureus in prosthetic joint and fracture‑related infections. Eur J Nucl Med Mol Imaging 2023:10.1007/s00259-023-06538-0. [PMID: 37994958 DOI: 10.1007/s00259-023-06538-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Affiliation(s)
- Jorrit W A Schoenmakers
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
| | - Marina López-Álvarez
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
| | - Frank F A IJpma
- Department of Surgery, Division of Trauma Surgery, University of Groningen (UMCG), Groningen, The Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
| | | | - Marleen van Oosten
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
| | - Paul C Jutte
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
| | - Jan Maarten van Dijl
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands.
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Schoenmakers JWA, López-Álvarez M, IJpma FFA, Wouthuyzen-Bakker M, McNamara JO, van Oosten M, Jutte PC, van Dijl JM. A fluorogenic micrococcal nuclease-based probe for fast detection and optical imaging of Staphylococcus aureus in prosthetic joint and fracture-related infections. Eur J Nucl Med Mol Imaging 2023:10.1007/s00259-023-06499-4. [PMID: 37962617 DOI: 10.1007/s00259-023-06499-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023]
Abstract
PURPOSE Staphylococcus aureus is the most common and impactful multi-drug resistant pathogen implicated in (periprosthetic) joint infections (PJI) and fracture-related infections (FRI). Therefore, the present proof-of-principle study was aimed at the rapid detection of S. aureus in synovial fluids and biofilms on extracted osteosynthesis materials through bacteria-targeted fluorescence imaging with the 'smart-activatable' DNA-based AttoPolyT probe. This fluorogenic oligonucleotide probe yields large fluorescence increases upon cleavage by micrococcal nuclease, an enzyme secreted by S. aureus. METHODS Synovial fluids from patients with suspected PJI and extracted osteosynthesis materials from trauma patients with suspected FRI were inspected for S. aureus nuclease activity with the AttoPolyT probe. Biofilms on osteosynthesis materials were imaged with the AttoPolyT probe and a vancomycin-IRDye800CW conjugate (vanco-800CW) specific for Gram-positive bacteria. RESULTS 38 synovial fluid samples were collected and analyzed. Significantly higher fluorescence levels were measured for S. aureus-positive samples compared to, respectively, other Gram-positive bacterial pathogens (p < 0.0001), Gram-negative bacterial pathogens (p = 0.0038) and non-infected samples (p = 0.0030), allowing a diagnosis of S. aureus-associated PJI within 2 h. Importantly, S. aureus-associated biofilms on extracted osteosynthesis materials from patients with FRI were accurately imaged with the AttoPolyT probe, allowing their correct distinction from biofilms formed by other Gram-positive bacteria detected with vanco-800CW within 15 min. CONCLUSION The present study highlights the potential clinical value of the AttoPolyT probe for fast and accurate detection of S. aureus infection in synovial fluids and biofilms on extracted osteosynthesis materials.
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Affiliation(s)
- Jorrit W A Schoenmakers
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
| | - Marina López-Álvarez
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
| | - Frank F A IJpma
- Department of Surgery, Division of Trauma Surgery, University of Groningen (UMCG), Groningen, The Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
| | | | - Marleen van Oosten
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands
| | - Paul C Jutte
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
| | - Jan Maarten van Dijl
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen (UMCG), Hanzeplein 1, 9700RB, Groningen, The Netherlands.
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Nijland H, Zhu J, Kwee TC, Hao DJ, Jutte PC. Mechanical bone strength decreases considerably after microwave ablation-Ex-vivo and in-vivo analysis in sheep long bones. PLoS One 2023; 18:e0292177. [PMID: 37824490 PMCID: PMC10569504 DOI: 10.1371/journal.pone.0292177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 09/14/2023] [Indexed: 10/14/2023] Open
Abstract
BACKGROUND Bone metastases are on the rise due to longer survival of cancer patients. Local tumor control is required for pain relief. Microwave ablation (MWA) is a technique for minimally invasive local tumor treatment. Tumor tissue is destroyed by application of local hyperthermia to induce necrosis. Given the most common setting of palliative care, it is generally considered beneficial for patients to start mobilizing directly following treatment. No data on mechanical strength in long bones after MWA have been published so far. MATERIALS AND METHODS In- and ex-vivo experiments on sheep tibias were performed with MWA in various combinations of settings for time and power. During the in-vivo part sheep were sacrificed one or six weeks after ablation. Mechanical strength was examined with a three-point bending test for ablations in the diaphysis and with an indentation test for ablations in the metaphysis. RESULTS MWA does not decrease mechanical strength in the diaphysis. In the metaphysis strength decreased up to 50% six weeks after ablation, which was not seen directly after ablation. CONCLUSION MWA appears to decrease mechanical strength in long bone metaphysis up to 50% after six weeks, however strength remains sufficient for direct mobilization. The time before normal strength is regained after the remodeling phase is not known.
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Affiliation(s)
- Hendricus Nijland
- Department of Orthopaedic Surgery, University Medical Center Groningen, Groningen, The Netherlands
| | - Jinwen Zhu
- Department of Orthopaedic Surgery, HongHui Medical Center Xi’an, Xi’an, China
| | - Thomas C. Kwee
- Department of Radiology, University Medical Center Groningen, Groningen, The Netherlands
| | - Ding-Jun Hao
- Department of Orthopaedic Surgery, HongHui Medical Center Xi’an, Xi’an, China
| | - Paul C. Jutte
- Department of Orthopaedic Surgery, University Medical Center Groningen, Groningen, The Netherlands
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8
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Ray GS, Werth P, Alexander JH, Eward WC, Bernthal NM, Jeys LM, Funovics P, Windhager R, Temple HT, Lozano-Calderon S, Avedian RS, Jutte PC, Ghert M, Ruggieri P, Henderson ER. Surgical Site Infection in Patients Managed with an Endoprosthesis for the Treatment of Cancer: Evaluation of Patient, Disease, and Index Surgical Factors. J Bone Joint Surg Am 2023; 105:87-96. [PMID: 37466585 DOI: 10.2106/jbjs.22.01376] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
BACKGROUND Surgical site infection (SSI) after segmental endoprosthetic reconstruction in patients treated for oncologic conditions remains both a devastating and a common complication. The goal of the present study was to identify variables associated with the success or failure of treatment of early SSI following the treatment of a primary bone tumor with use of a segmental endoprosthesis. METHODS The present study used the Prophylactic Antibiotic Regimens in Tumor Surgery (PARITY) data set to identify patients who had been diagnosed with an SSI after undergoing endoprosthetic reconstruction of a lower extremity primary bone tumor. The primary outcome of interest in the present study was a dichotomous variable: the success or failure of infection treatment. We defined failure as the inability to eradicate the infection, which we considered as an outcome of amputation or limb retention with chronic antibiotic suppression (>90 days or ongoing therapy at the conclusion of the study). Multivariable models were created with covariates of interest for each of the following: surgery characteristics, cancer treatment-related characteristics, and tumor characteristics. Multivariable testing included variables selected on the basis of known associations with infection or results of the univariable tests. RESULTS Of the 96 patients who were diagnosed with an SSI, 27 (28%) had successful eradication of the infection and 69 had treatment failure. Baseline and index procedure variables showing significant association with SSI treatment outcome were moderate/large amounts of fascial excision ≥1 cm2) (OR, 10.21 [95% CI, 2.65 to 46.21]; p = 0.001), use of local muscle/skin graft (OR,11.88 [95% CI, 1.83 to 245.83]; p = 0.031), and use of a deep Hemovac (OR, 0.24 [95% CI, 0.05 to 0.85]; p = 0.041). In the final multivariable model, excision of fascia during primary tumor resection was the only variable with a significant association with treatment outcome (OR, 10.21 [95% CI, 2.65 to 46.21]; p = 0.018). CONCLUSIONS The results of this secondary analysis of the PARITY trial data provide further insight into the patient-, disease-, and treatment-specific associations with SSI treatment outcomes, which may help to inform decision-making and management of SSI in patients who have undergone segmental bone reconstruction of the femur or tibia for oncologic indications. LEVEL OF EVIDENCE Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- G S Ray
- Department of Orthopaedic Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
| | - P Werth
- Department of Orthopaedic Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
- Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire
| | - J H Alexander
- Department of Orthopaedic Surgery, Wexner Medical Center, The Ohio State University, Columbus, Ohio
| | - W C Eward
- Duke Health Department of Orthopaedic Surgery, Duke Cancer Center, Duke, North Carolina
| | - N M Bernthal
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Santa Monica, California
| | - L M Jeys
- Department of Orthopaedics, Royal Orthopaedic Hospital, Birmingham, United Kingdom
| | - P Funovics
- Department of Orthopaedics, Medical University of Vienna, Austria
| | - R Windhager
- Department of Orthopaedics, Medical University of Vienna, Austria
| | - H T Temple
- Miller School of Medicine, University of Miami, Miami, Florida
| | - S Lozano-Calderon
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - R S Avedian
- Department of Orthopaedic Surgery, Stanford Health Care, Redwood City, California
| | - P C Jutte
- Department of Orthopaedics, University of Groningen, Groningen, The Netherlands
| | - M Ghert
- Department of Orthopaedics, McMaster University, Hamilton, Ontario, Canada
| | - P Ruggieri
- Department of Orthopaedics and Orthopaedic Oncology, Padova University, Padova, Italy
| | - E R Henderson
- Department of Orthopaedic Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire
- Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire
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9
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Van Dooren B, Peters RM, Jutte PC, Stevens M, Schreurs BW, Zijlstra WP. Similar revision rate after cemented and cementless femoral revisions for periprosthetic femoral fractures in total hip arthroplasty: analysis of 1,879 revision hip arthroplasties in the Dutch Arthroplasty Register. Acta Orthop 2023; 94:260-265. [PMID: 37221904 DOI: 10.2340/17453674.2023.13211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Indexed: 05/25/2023] Open
Abstract
BACKGROUND AND PURPOSE Periprosthetic femoral fracture (PPF) after total hip arthroplasty (THA) is a serious complication, as it often is followed by functional deficits and morbidity. There is no consensus regarding the optimal stem fixation method and whether additional cup replacement is beneficial. The aim of our study was to perform a direct comparison of reasons and risk of re-revision between cemented and uncemented revision THAs following PPF using registry data. PATIENTS AND METHODS 1,879 patients registered in the Dutch Arthroplasty Registry (LROI) who underwent a first-time revision for PPF between 2007 and 2021 (cemented stem: n = 555; uncemented stem: n = 1,324) were included. Competing risk survival analysis and multivariable Cox proportional hazard analyses were performed. RESULTS 5- and 10-year crude cumulative incidence of re-revision following revision for PPF was similar between cemented (resp. 13%, 95% CI 10-16 and 18%, CI 13-24) and uncemented (resp. 11%, CI 10-13 and 13%, CI 11-16) revisions. Multivariable Cox regression analysis, adjusting for potential confounders, showed a similar risk of revision for uncemented and cemented revision stems. Finally, we found no difference in risk of re-revision between a total revision (HR 1.2, 0.6-2.1) compared with a stem revision. CONCLUSION We found no difference in the risk of re-revision between cemented and uncemented revision stems after revision for PPF.
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Affiliation(s)
- Bart Van Dooren
- Department of Orthopaedics, Medical Center Leeuwarden, Leeuwarden; Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Groningen.
| | - Rinne M Peters
- Department of Orthopaedics, Medical Center Leeuwarden, Leeuwarden; Department of Orthopaedics, Martini Hospital, Groningen
| | - Paul C Jutte
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Groningen
| | - Martin Stevens
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Groningen
| | - B Willem Schreurs
- Department of Orthopaedics, Radboudumc, Nijmegen; Dutch Arthroplasty Register (LROI), 's Hertogenbosch, The Netherlands
| | - Wierd P Zijlstra
- Department of Orthopaedics, Medical Center Leeuwarden, Leeuwarden
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10
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Fard B, Persoon S, Jutte PC, Daemen JWHC, Lamprou DAA, Hoope WT, Prinsen EC, Houdijk H, Olsman J, Holling T, De Wever HPPR, Schrier E, Donders N, Rietman JS, Geertzen JHB. Amputation and prosthetics of the lower extremity: The 2020 Dutch evidence-based multidisciplinary guideline. Prosthet Orthot Int 2023; 47:69-80. [PMID: 36112468 DOI: 10.1097/pxr.0000000000000170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 05/31/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND Lower-limb amputations are rare but debilitating events in the lives of affected persons. Treatment of persons with amputation inherently involves many different health care professions at different stages leading to and after an amputation. There are prevailing clinical questions within the work field related to different facets of care including peri/postoperative aspects, prosthetic components, rehabilitation treatment, and health care processes. OBJECTIVES To provide an up-to-date multidisciplinary evidence-based guideline for health care professionals involved in the treatment of persons with lower-limb amputation in the Netherlands. METHODS Identification of key questions in a focus group, systematic review of the evidence (up to March 2019, using Embase and MEDLINE databases), and weighing considerations, culminating in clinical recommendations. RESULTS Twelve key questions were formulated. Recommendations of two key questions were upheld in line with the previous 2012 guideline. Ten systematic literature searches were performed, leading to the inclusion of 59 studies. CONCLUSION A summary of evidence-based conclusions, considerations, and recommendations of the 2020 guideline is presented.
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Affiliation(s)
- Behrouz Fard
- Roessingh Center for Rehabilitation, Enschede, The Netherlands
| | - Saskia Persoon
- Knowledge Institute of the Dutch Association of Medical Specialists, Utrecht, The Netherlands
| | - Paul C Jutte
- University Medical Center Groningen, Groningen, The Netherlands
| | | | | | | | - Erik C Prinsen
- Roessingh Research and Development, Enschede, The Netherlands
| | - Han Houdijk
- University Medical Center Groningen, Groningen, The Netherlands
| | | | | | | | - Ernst Schrier
- University Medical Center Groningen, Groningen, The Netherlands
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11
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Gelderman SJ, Faber C, Kampinga GA, Jutte PC, Ploegmakers JJW, Glaudemans AWJM, Wouthuyzen-Bakker M. A high prevalence of Cutibacterium acnes infections in scoliosis revision surgery, a diagnostic and therapeutic dilemma. Spine Deform 2023; 11:319-327. [PMID: 36282416 PMCID: PMC9970938 DOI: 10.1007/s43390-022-00599-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 10/01/2022] [Indexed: 11/24/2022]
Abstract
PURPOSE To investigate if serum inflammatory markers or nuclear imaging can accurately diagnose a chronic spinal instrumentation infection (SII) prior to surgery. METHODS All patients who underwent revision of spinal instrumentation after a scoliosis correction between 2017 and 2019, were retrospectively evaluated. The diagnostic accuracy of serum C-reactive protein (CRP) and Erythrocyte Sedimentation Rate (ESR), 18F-fluorodeoxyglucose positron emission tomography combined with computed tomography (FDG-PET/CT) and Technetium-99m-methylene diphosphonate (99mTc-MDP) 3-phase bone scintigraphy (TPBS) to diagnose infection were studied. Patients with an acute infection or inadequate culture sampling were excluded. SII was diagnosed if ≥ 2 of the same microorganism(s) were isolated from intra-operative tissue cultures. RESULTS 30 patients were included. The indication for revision surgery was pseudoarthrosis in the majority of patients (n = 15). 22 patients (73%) were diagnosed with SII. In all infected cases, Cutibacterium acnes was isolated, including 5 cases with a polymicrobial infection. The majority of patients had low inflammatory parameters preoperatively. For CRP > 10.0 mg/L, the sensitivity was 9.1% and specificity 100%; for ESR > 30 mm/h, the sensitivity was 9.1% and specificity 100%. The diagnostic accuracy for nuclear imaging was 64% for the FDG-PET/CT and 67% for the TPBS to diagnose infection. CONCLUSIONS The prevalence of SII in patients undergoing revision spinal surgery is high, with Cutibacterium acnes as the main pathogen. No diagnostic tests could be identified that could accurately diagnose or exclude SII prior to surgery. Future studies should aim to find more sensitive diagnostic modalities to detect low-grade inflammation.
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Affiliation(s)
- Stefan J. Gelderman
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Christhoper Faber
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Greetje A. Kampinga
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Paul C. Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Joris J. W. Ploegmakers
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Andor W. J. M. Glaudemans
- Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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12
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Shabana NS, Seeber G, Soriano A, Jutte PC, Westermann S, Mithoe G, Pirii L, Siebers T, Have BT, Zijlstra W, Lazovic D, Wouthuyzen-Bakker M. The Clinical Outcome of Early Periprosthetic Joint Infections Caused by Staphylococcus epidermidis and Managed by Surgical Debridement in an Era of Increasing Resistance. Antibiotics (Basel) 2022; 12:antibiotics12010040. [PMID: 36671241 PMCID: PMC9854449 DOI: 10.3390/antibiotics12010040] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/19/2022] [Accepted: 12/23/2022] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION A risk factor for the failure of surgical debridement in patients with early periprosthetic joint infections (PJI) is the presence of multidrug-resistant microorganisms. Staphylococcus epidermidis is one of the most isolated microorganisms in PJI and is associated with emerging resistance patterns. We aimed to assess the antibiotic resistance patterns of S. epidermidis in early PJIs treated with surgical debridement and correlate them to clinical outcomes. MATERIAL AND METHODS A retrospective multicentre observational study was conducted to evaluate patients with an early PJI (within 3 months after the index arthroplasty) by S. epidermidis with at least two positive intraoperative cultures. Clinical failure was defined as the need for additional surgical intervention or antibiotic suppressive therapy to control the infection. RESULTS A total of 157 patients were included. The highest rate of resistance was observed for methicillin in 82% and ciprofloxacin in 65% of the cases. Both were associated with a higher rate of clinical failure (41.2% vs. 12.5% (p 0.048) and 47.3% vs. 14.3% (p 0.015)), respectively. Furthermore, 70% of the cases had reduced susceptibility to vancomycin (MIC ≥ 2), which showed a trend towards a higher failure rate (39.6% vs. 19.0%, NS). Only 7% of the cases were rifampin-resistant. Only the resistance to fluoroquinolones was an independent risk factor for clinical failure in the multivariate analysis (OR 5.45, 95% CI 1.67-17.83). CONCLUSION S. epidermidis PJIs show a high rate of resistance. Resistance to fluoroquinolones is associated with clinical failure. Alternative prophylactic antibiotic regimens and optimising treatment strategies are needed to improve clinical outcomes.
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Affiliation(s)
- Nada S. Shabana
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, 9712 CP Groningen, The Netherlands
| | - Gesine Seeber
- Department of Orthopaedic Surgery, Universitätsklinik für Orthopädie und Unfallchirurgie, Pius-Hospital Oldenburg, 26121 Oldenburg, Germany
| | - Alex Soriano
- Department of Infectious Diseases, Hospital Clinic of Barcelona, University of Barcelona, 08007 Barcelona, Spain
| | - Paul C. Jutte
- Department of Orthopaedic Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands
| | - Silvia Westermann
- Department of Orthopaedic Surgery, Universitätsklinik für Orthopädie und Unfallchirurgie, Pius-Hospital Oldenburg, 26121 Oldenburg, Germany
| | - Glenn Mithoe
- Certe, Department of Medical Microbiology, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Loredana Pirii
- Izore, Centre for Infectious Diseases Friesland, 8917 EN Leeuwarden, The Netherlands
| | - Théke Siebers
- Certe, Department of Medical Microbiology, University of Groningen, 9700 RB Groningen, The Netherlands
| | - Bas ten Have
- Department of Orthopaedic Surgery, Martini Hospital, 9728 NT Groningen, The Netherlands
| | - Wierd Zijlstra
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, 8934 AD Leeuwarden, The Netherlands
| | - Djordje Lazovic
- Department of Orthopaedic Surgery, Universitätsklinik für Orthopädie und Unfallchirurgie, Pius-Hospital Oldenburg, 26121 Oldenburg, Germany
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, 9712 CP Groningen, The Netherlands
- Correspondence: ; Tel.: +31-50-361-6161
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13
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Peeters CMM, Bos GJFJ, Kempen DHR, Jutte PC, Faber C, Wapstra FH. Assessment of spine length in scoliosis patients using EOS imaging: a validity and reliability study. Eur Spine J 2022; 31:3527-3535. [PMID: 36242656 DOI: 10.1007/s00586-022-07326-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 03/25/2022] [Accepted: 07/08/2022] [Indexed: 11/05/2022]
Abstract
PURPOSE Knowledge about spinal length and subsequently growth of each individual patient with adolescent idiopathic scoliosis (AIS) helps with accurate timing of both conservative and surgical treatment. Radiographs taken by a biplanar low-dose X-ray device (EOS) have no divergence in the vertical plane and can provide three-dimensional (3D) measurements. Therefore, this study investigated the criterion validity and reliability of EOS spinal length measurements in AIS patients. METHODS Prior to routine EOS radiograph, a radiographic calibrated metal beads chain (MBC) was attached on the back of 120 patients with AIS to calibrate the images. Spinal lengths were measured from vertebra to vertebra on EOS anteroposterior (AP), lateral view and on the combined 3D EOS view (EOS 3D). These measurements were compared with MBC length measurements. Secondly, intra- and interobserver reliability of length measurements on EOS-images were determined. RESULTS 50 patients with accurately positioned MBC were included for analysis. The correlations between EOS and MBC were highest for the 3D length measurements. Compared to EOS 3D measurements, the total spinal length was systematically measured 4.3% (mean difference = 1.97 ± 1.12 cm) and 1.9% (mean difference = 0.86 ± 0.63 cm) smaller on individual EOS two-dimensional (2D) AP and lateral view images, respectively. Both intra- and interobserver reliability were excellent for all length measurements on EOS-images. CONCLUSION The results of this study indicate a good validity and reliability for spinal length measurements on EOS radiographs in AIS patients. EOS 3D length measure method is preferred above spinal length measurements on individual EOS AP or lateral view images.
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Affiliation(s)
- C M M Peeters
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9713, Groningen, The Netherlands
| | - G J F J Bos
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9713, Groningen, The Netherlands
| | - D H R Kempen
- Department of Orthopaedics, OLVG, Amsterdam, The Netherlands
| | - P C Jutte
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9713, Groningen, The Netherlands
| | - C Faber
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9713, Groningen, The Netherlands
| | - F H Wapstra
- Department of Orthopaedics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9713, Groningen, The Netherlands.
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14
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Prijs J, Liao Z, To MS, Verjans J, Jutte PC, Stirler V, Olczak J, Gordon M, Guss D, DiGiovanni CW, Jaarsma RL, IJpma FFA, Doornberg JN. Development and external validation of automated detection, classification, and localization of ankle fractures: inside the black box of a convolutional neural network (CNN). Eur J Trauma Emerg Surg 2022; 49:1057-1069. [PMID: 36374292 PMCID: PMC10175446 DOI: 10.1007/s00068-022-02136-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 10/10/2022] [Indexed: 11/16/2022]
Abstract
Abstract
Purpose
Convolutional neural networks (CNNs) are increasingly being developed for automated fracture detection in orthopaedic trauma surgery. Studies to date, however, are limited to providing classification based on the entire image—and only produce heatmaps for approximate fracture localization instead of delineating exact fracture morphology. Therefore, we aimed to answer (1) what is the performance of a CNN that detects, classifies, localizes, and segments an ankle fracture, and (2) would this be externally valid?
Methods
The training set included 326 isolated fibula fractures and 423 non-fracture radiographs. The Detectron2 implementation of the Mask R-CNN was trained with labelled and annotated radiographs. The internal validation (or ‘test set’) and external validation sets consisted of 300 and 334 radiographs, respectively. Consensus agreement between three experienced fellowship-trained trauma surgeons was defined as the ground truth label. Diagnostic accuracy and area under the receiver operator characteristic curve (AUC) were used to assess classification performance. The Intersection over Union (IoU) was used to quantify accuracy of the segmentation predictions by the CNN, where a value of 0.5 is generally considered an adequate segmentation.
Results
The final CNN was able to classify fibula fractures according to four classes (Danis-Weber A, B, C and No Fracture) with AUC values ranging from 0.93 to 0.99. Diagnostic accuracy was 89% on the test set with average sensitivity of 89% and specificity of 96%. External validity was 89–90% accurate on a set of radiographs from a different hospital. Accuracies/AUCs observed were 100/0.99 for the ‘No Fracture’ class, 92/0.99 for ‘Weber B’, 88/0.93 for ‘Weber C’, and 76/0.97 for ‘Weber A’. For the fracture bounding box prediction by the CNN, a mean IoU of 0.65 (SD ± 0.16) was observed. The fracture segmentation predictions by the CNN resulted in a mean IoU of 0.47 (SD ± 0.17).
Conclusions
This study presents a look into the ‘black box’ of CNNs and represents the first automated delineation (segmentation) of fracture lines on (ankle) radiographs. The AUC values presented in this paper indicate good discriminatory capability of the CNN and substantiate further study of CNNs in detecting and classifying ankle fractures.
Level of evidence
II, Diagnostic imaging study.
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Affiliation(s)
- Jasper Prijs
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, The Netherlands.
- Department of Surgery, Groningen University Medical Centre, Groningen, The Netherlands.
- Department of Orthopaedic & Trauma Surgery, Flinders Medical Centre, Flinders University, Adelaide, Australia.
| | - Zhibin Liao
- Australian Institute for Machine Learning, Adelaide, Australia
| | - Minh-Son To
- College of Medicine and Public Health, Flinders University, Adelaide, Australia
- Department of Neurosurgery, Flinders Medical Center, Adelaide, Australia
| | - Johan Verjans
- Australian Institute for Machine Learning, Adelaide, Australia
| | - Paul C Jutte
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, The Netherlands
| | - Vincent Stirler
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, The Netherlands
| | - Jakub Olczak
- Institute of Clinical Sciences, Danderyd University Hospital, Karolinska Institute, Solna, Sweden
| | - Max Gordon
- Institute of Clinical Sciences, Danderyd University Hospital, Karolinska Institute, Solna, Sweden
| | - Daniel Guss
- Massachusetts General Hospital, Boston, USA
- Harvard Medical School, Boston, USA
| | | | - Ruurd L Jaarsma
- Department of Orthopaedic & Trauma Surgery, Flinders Medical Centre, Flinders University, Adelaide, Australia
| | - Frank F A IJpma
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, The Netherlands
| | - Job N Doornberg
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, The Netherlands
- Department of Orthopaedic & Trauma Surgery, Flinders Medical Centre, Flinders University, Adelaide, Australia
- College of Medicine and Public Health, Flinders University, Adelaide, Australia
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15
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Prijs J, Liao Z, Ashkani-Esfahani S, Olczak J, Gordon M, Jayakumar P, Jutte PC, Jaarsma RL, IJpma FFA, Doornberg JN. Corrigendum. Bone Joint J 2022; 104-B:1189. [PMID: 36177648 DOI: 10.1302/0301-620x.104b9.bjj-2022-00026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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16
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Sorel JC, Oosterhoff JHF, Broekman BFP, Jaarsma RL, Doornberg JN, IJpma FFA, Jutte PC, Spekenbrink-Spooren A, Gademan MGJ, Poolman RW. Do symptoms of anxiety and/or depression and pain intensity before primary Total knee arthroplasty influence reason for revision? Results of an observational study from the Dutch arthroplasty register in 56,233 patients. Gen Hosp Psychiatry 2022; 78:42-49. [PMID: 35853417 DOI: 10.1016/j.genhosppsych.2022.07.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 12/27/2022]
Abstract
OBJECTIVE Anxiety, depression and greater pain intensity before total knee arthroplasty (TKA) may increase the probability of revision surgery for remaining symptoms even without clear pathology or technical issues. We aimed to assess whether preoperative anxiety/depression and pain intensity are associated with revision TKA for less clear indications. METHODS Less clear indications for revision were defined after a Delphi process in which consensus was reached among 59 orthopaedic knee experts. We performed a cox regression analyses on primary TKA patients registered in the Dutch Arthroplasty Registry (LROI) who completed the EuroQol 5D 3 L (EQ5D-3 L) anxiety/depression score to examine associations between preoperative anxiety/depression and pain (Numeric Rating Scale (NRS)) with TKA revision for less clear reasons. These analyses were adjusted for age, BMI, sex, smoking, ASA score, EQ5D-3 L thermometer and OKS score. RESULTS In total, 25.9% patients of the 56,233 included patients reported moderate or severe symptoms of anxiety/depression on the EQ5D-3 L anxiety/depression score. Of those, 615 revisions (45.5%) were performed for less clear reasons for revision (patellar pain, malalignment, instability, progression of osteoarthritis or arthrofibrosis). Not EQ5D-3 L anxiety/depression score, but higher NRS pain at rest and EQ5D-3 L pain score were associated with revision for less clear reason (HR: 1.058, 95% CI 1.019-1.099 & HR: 1.241, 95% CI 1.044-1.476, respectively). CONCLUSION Our findings suggest that pain intensity is a risk factor for TKA revision for a less clear reason. The finding that preoperative pain intensity was associated with reason for revision confirms a likely influence of subjective, personal factors on offer and acceptance of TKA revision. The association between anxiety/depression and reason for revision after TKA may also be found when including more specific outcome measures to assess anxiety/depression and we therefore hope to encourage further research on this topic with our study, ideally in a prospective setting. STUDY DESIGN Longitudinal Cohort Study Level III, Delphi Consensus.
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Affiliation(s)
- Juliette C Sorel
- Department of Orthopaedic Surgery, Leiden University Medical Centre, Leiden, the Netherlands.
| | | | - Birit F P Broekman
- Department of Psychiatry and Medical Psychology, OLVG Hospital / Amsterdam UMC, VU University, Amsterdam, the Netherlands.
| | - Ruurd L Jaarsma
- Department of Orthopaedic & Trauma Surgery, Flinders Medical Centre, Flinders University, Adelaide, SA, Australia.
| | - Job N Doornberg
- Department of Orthopaedic Surgery, University Medical Centre Groningen, the Netherlands.
| | - Frank F A IJpma
- Department of Trauma Surgery, University Medical Center Groningen, Groningen, the Netherlands.
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University Medical Centre Groningen, the Netherlands.
| | | | - Maaike G J Gademan
- Department of Orthopaedic Surgery, Leiden University Medical Centre, Leiden, the Netherlands; Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, the Netherlands.
| | - Rudolf W Poolman
- Department of Orthopaedic Surgery, Leiden University Medical Centre, Leiden, the Netherlands; Department of Orthopaedic and Trauma Surgery, Joint Research, OLVG Hospital, Amsterdam, the Netherlands.
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17
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Prijs J, Liao Z, Ashkani-Esfahani S, Olczak J, Gordon M, Jayakumar P, Jutte PC, Jaarsma RL, IJpma FFA, Doornberg JN. Artificial intelligence and computer vision in orthopaedic trauma : the why, what, and how. Bone Joint J 2022; 104-B:911-914. [PMID: 35909378 DOI: 10.1302/0301-620x.104b8.bjj-2022-0119.r1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Artificial intelligence (AI) is, in essence, the concept of 'computer thinking', encompassing methods that train computers to perform and learn from executing certain tasks, called machine learning, and methods to build intricate computer models that both learn and adapt, called complex neural networks. Computer vision is a function of AI by which machine learning and complex neural networks can be applied to enable computers to capture, analyze, and interpret information from clinical images and visual inputs. This annotation summarizes key considerations and future perspectives concerning computer vision, questioning the need for this technology (the 'why'), the current applications (the 'what'), and the approach to unlocking its full potential (the 'how'). Cite this article: Bone Joint J 2022;104-B(8):911-914.
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Affiliation(s)
- Jasper Prijs
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, the Netherlands.,Department of Surgery, Groningen University Medical Centre, Groningen, the Netherlands.,Department of Orthopaedic & Trauma Surgery, Flinders University, Flinders Medical Centre, Adelaide, Australia
| | - Zhibin Liao
- Australian Institute for Machine Learning, Adelaide, Australia
| | | | - Jakub Olczak
- Institute of Clinical Sciences, Danderyd University Hospital, Karolinska Institute, Stockholm, Sweden
| | - Max Gordon
- Institute of Clinical Sciences, Danderyd University Hospital, Karolinska Institute, Stockholm, Sweden
| | - Prakash Jayakumar
- The University of Texas at Austin, Dell Medical School, Austin, Texas, USA
| | - Paul C Jutte
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, the Netherlands
| | - Ruurd L Jaarsma
- Department of Orthopaedic & Trauma Surgery, Flinders University, Flinders Medical Centre, Adelaide, Australia
| | - Frank F A IJpma
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, the Netherlands
| | - Job N Doornberg
- Department of Orthopaedic Surgery, Groningen University Medical Centre, Groningen, the Netherlands.,Department of Orthopaedic & Trauma Surgery, Flinders University, Flinders Medical Centre, Adelaide, Australia
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18
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Spek RWA, Hoogervorst LA, Elias MEC, Jaarsma RL, Veeger DHEJ, Doornberg JN, Jutte PC, van den Bekerom MPJ. Management of displaced humeral surgical neck fractures in daily clinical practice: hanging does not re-align the fracture. Arch Orthop Trauma Surg 2022; 143:3119-3128. [PMID: 35840714 DOI: 10.1007/s00402-022-04545-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 07/03/2022] [Indexed: 11/25/2022]
Abstract
INTRODUCTION It is unclear if the collar and cuff treatment improve alignment in displaced surgical neck fractures of the proximal humerus. Therefore, this study evaluated if the neckshaft angle and extent of displacement would improve between trauma and onset of radiographically visible callus in non-operatively treated surgical neck fractures (Boileau type A, B, C). MATERIALS AND METHODS A consecutive series of patients (≥ 18 years old) were retrospectively evaluated from a level 1 trauma center in Australia (inclusion period: 2016-2020) and a level 2 trauma center in the Netherlands (inclusion period: 2004 to 2018). Patients were included if they sustained a Boileau-type fracture and underwent initial non-operative treatment. The first radiograph had to be obtained within 24 h after the initial injury and the follow-up radiograph(s) 1 week after trauma and before the start of radiographically visible callus. On each radiograph, the maximal medial gap (MMG), maximal lateral gap (MLG), and neck-shaft angle (NSA) were measured. Linear mixed modelling was performed to evaluate if these measurements would improve over time. RESULTS Sixty-seven patients were included: 25 type A, 11 type B, and 31 type C fractures. The mean age (range) was 68 years (24-93), and the mean number (range) of follow-up radiographs per patient was 1 (1-4). Linear mixed modelling on both MMG and MLG revealed no improvement during follow-up among the three groups. Mean NSA of type A fractures improved significantly from 161° at trauma to 152° at last follow-up (p-value = 0.004). CONCLUSIONS Apart from humeral head angulation improvement in type A, there is no increase nor reduction in displacement among the three fracture patterns. Therefore, it is advised that surgical decision-making should be performed immediately after trauma. LEVEL OF CLINICAL EVIDENCE Level IV, retrospective case series.
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Affiliation(s)
- Reinier W A Spek
- Department of Orthopaedic Surgery, Flinders University and Flinders Medical Centre, Flinders Dr, Bedford Park, Adelaide, 5042, Australia. .,Department of Orthopaedic Surgery, University of Groningen and University Medical Centre, Groningen, The Netherlands. .,Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands.
| | - Lotje A Hoogervorst
- Department of Orthopaedic Surgery, Department of Biomedical Sciences, Medical Decision Making, Leiden University Medical Centre, Leiden, The Netherlands
| | | | - Ruurd L Jaarsma
- Department of Orthopaedic Surgery, Flinders University and Flinders Medical Centre, Flinders Dr, Bedford Park, Adelaide, 5042, Australia
| | - DirkJan H E J Veeger
- Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands
| | - Job N Doornberg
- Department of Orthopaedic Surgery, University of Groningen and University Medical Centre, Groningen, The Netherlands
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University of Groningen and University Medical Centre, Groningen, The Netherlands
| | - Michel P J van den Bekerom
- Department of Human Movement Sciences, Faculty of Behavioral and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands
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19
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Rivas Loya R, Jutte PC, Kwee TC, van Ooijen PMA. Computer 3D modeling of radiofrequency ablation of atypical cartilaginous tumours in long bones using finite element methods and real patient anatomy. Eur Radiol Exp 2022; 6:21. [PMID: 35482168 PMCID: PMC9050991 DOI: 10.1186/s41747-022-00271-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 03/23/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Radiofrequency ablation (RFA) is a minimally invasive technique used for the treatment of neoplasms, with a growing interest in the treatment of bone tumours. However, the lack of data concerning the size of the resulting ablation zones in RFA of bone tumours makes prospective planning challenging, needed for safe and effective treatment. METHODS Using retrospective computed tomography and magnetic resonance imaging data from patients treated with RFA of atypical cartilaginous tumours (ACTs), the bone, tumours, and final position of the RFA electrode were segmented from the medical images and used in finite element models to simulate RFA. Tissue parameters were optimised, and boundary conditions were defined to mimic the clinical scenario. The resulting ablation diameters from postoperative images were then measured and compared to the ones from the simulations, and the error between them was calculated. RESULTS Seven cases had all the information required to create the finite element models. The resulting median error (in all three directions) was -1 mm, with interquartile ranges from -3 to 3 mm. The three-dimensional models showed that the thermal damage concentrates close to the cortical wall in the first minutes and then becomes more evenly distributed. CONCLUSIONS Computer simulations can predict the ablation diameters with acceptable accuracy and may thus be utilised for patient planning. This could allow interventional radiologists to accurately define the time, electrode length, and position required to treat ACTs with RFA and make adjustments as needed to guarantee total tumour destruction while sparing as much healthy tissue as possible.
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Affiliation(s)
- Ricardo Rivas Loya
- Department of Radiotherapy, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.
| | - Paul C Jutte
- Department of Orthopedics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Thomas C Kwee
- Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Peter M A van Ooijen
- Department of Radiotherapy, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
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20
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Ottink KD, Gelderman SJ, Wouthuyzen-Bakker M, Ploegmakers JJW, Glaudemans AWJM, Jutte PC. Nuclear imaging does not have clear added value in patients with low a priori chance of periprosthetic joint infection. A retrospective single-center experience. J Bone Jt Infect 2022; 7:1-9. [PMID: 35047347 PMCID: PMC8759077 DOI: 10.5194/jbji-7-1-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 12/05/2021] [Indexed: 11/21/2022] Open
Abstract
Background: A low-grade periprosthetic joint infection (PJI) may present without
specific symptoms, and its diagnosis remains a challenge. Three-phase bone scintigraphy (TPBS) and white blood cell (WBC) scintigraphy are
incorporated into recently introduced diagnostic criteria for PJI, but their exact value in diagnosing low-grade PJI in patients with nonspecific
symptoms remains unclear.
Methods:
In this retrospective study, we evaluated patients with a prosthetic joint
of the hip or knee who underwent TPBS and/or WBC scintigraphy between 2009 and 2016 because of nonspecific symptoms. We reviewed and calculated
diagnostic accuracy of the TPBS and/or WBC scintigraphy to diagnose or
exclude PJI. PJI was defined based on multiple cultures obtained during
revision surgery. In patients who did not undergo revision surgery, PJI was
ruled out by clinical follow-up of at least 2 years absent of clinical signs of infection based on MSIS 2011 criteria.
Results:
A total of 373 patients were evaluated, including 340 TPBSs and 142 WBC scintigraphies. Thirteen patients (3.5 %) were diagnosed with a PJI. TPBS sensitivity, specificity, and positive and negative predictive values (PPV, NPV) were 71 %, 65 %, 8 % and 98 %, respectively. Thirty-five percent of TPBS showed
increased uptake. Stratification for time intervals between the index
arthroplasty and the onset of symptoms did not alter its diagnostic
accuracy. WBC scintigraphy sensitivity, specificity, PPV and NPV were 30 %, 90 %, 25 % and 94 %, respectively.
Conclusion:
Nuclear imaging does not have clear added value in patients with low a
priori chance of periprosthetic joint infection.
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Affiliation(s)
- Karsten D Ottink
- Department of Orthopaedics, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - Stefan J Gelderman
- Department of Orthopaedics, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - Joris J W Ploegmakers
- Department of Orthopaedics, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - Andor W J M Glaudemans
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
| | - Paul C Jutte
- Department of Orthopaedics, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands
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21
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Van Vugt TAG, Heidotting J, Arts JJ, Ploegmakers JJW, Jutte PC, Geurts JAP. Mid-term clinical results of chronic cavitary long bone osteomyelitis treatment using S53P4 bioactive glass: a multi-center study. J Bone Jt Infect 2021; 6:413-421. [PMID: 34804776 PMCID: PMC8600462 DOI: 10.5194/jbji-6-413-2021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 10/16/2021] [Indexed: 11/11/2022] Open
Abstract
Introduction: Chronic osteomyelitis is a challenging condition in the orthopedic practice and traditionally treated using local and systemic antibiotics in a two-stage surgical procedure. With the introduction of the antimicrobial biomaterial S53P4 bioactive glass (Bonalive®), chronic osteomyelitis can be treated in a one-stage procedure. This study evaluated the mid-term clinical results of patients treated with S53P4 bioactive glass for long bone chronic osteomyelitis. Methods: In this prospective multi-center study, patients from two different university medical centers in the Netherlands were included. One-stage treatment consisted of debridement surgery, implantation of S53P4 bioactive glass, and treatment with culture-based systemic antibiotics. If required, wound closure by a plastic surgeon was performed. The primary outcome was the eradication of infection, and a secondary statistical analysis was performed on probable risk factors for treatment failure. Results: In total, 78 patients with chronic cavitary long bone osteomyelitis were included. Follow-up was at least 12 months (mean 46; standard deviation, SD, 20), and 69 patients were treated in a one-stage procedure. Overall infection eradication was 85 %, and 1-year infection-free survival was 89 %. Primary closure versus local/muscular flap coverage is the only risk factor for treatment failure. Conclusion: With 85 % eradication of infection, S53P4 bioactive glass is an effective biomaterial in the treatment of chronic osteomyelitis in a one-stage procedure. A major risk factor for treatment failure is the necessity for local/free muscle flap coverage. These results confirm earlier published data, and together with the fundamentally different antimicrobial pathways without antibiotic resistance, S53P4 bioactive glass is a recommendable biomaterial for chronic osteomyelitis treatment and might be beneficial over other biomaterials.
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Affiliation(s)
- Tom A G Van Vugt
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Centre (MUMC+), Maastricht, the Netherlands
| | - Jeffrey Heidotting
- Department of Orthopedic Surgery, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - Jacobus J Arts
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Centre (MUMC+), Maastricht, the Netherlands.,Department of Biomedical Engineering (research group Orthopaedic Biomechanics), Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Joris J W Ploegmakers
- Department of Orthopedic Surgery, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - Paul C Jutte
- Department of Orthopedic Surgery, University Medical Center Groningen (UMCG), Groningen, the Netherlands
| | - Jan A P Geurts
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Centre (MUMC+), Maastricht, the Netherlands
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22
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Oliveira E Carmo L, van den Merkhof A, Olczak J, Gordon M, Jutte PC, Jaarsma RL, IJpma FFA, Doornberg JN, Prijs J. An increasing number of convolutional neural networks for fracture recognition and classification in orthopaedics : are these externally validated and ready for clinical application? Bone Jt Open 2021; 2:879-885. [PMID: 34669518 PMCID: PMC8558452 DOI: 10.1302/2633-1462.210.bjo-2021-0133] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Aims The number of convolutional neural networks (CNN) available for fracture detection and classification is rapidly increasing. External validation of a CNN on a temporally separate (separated by time) or geographically separate (separated by location) dataset is crucial to assess generalizability of the CNN before application to clinical practice in other institutions. We aimed to answer the following questions: are current CNNs for fracture recognition externally valid?; which methods are applied for external validation (EV)?; and, what are reported performances of the EV sets compared to the internal validation (IV) sets of these CNNs? Methods The PubMed and Embase databases were systematically searched from January 2010 to October 2020 according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The type of EV, characteristics of the external dataset, and diagnostic performance characteristics on the IV and EV datasets were collected and compared. Quality assessment was conducted using a seven-item checklist based on a modified Methodologic Index for NOn-Randomized Studies instrument (MINORS). Results Out of 1,349 studies, 36 reported development of a CNN for fracture detection and/or classification. Of these, only four (11%) reported a form of EV. One study used temporal EV, one conducted both temporal and geographical EV, and two used geographical EV. When comparing the CNN’s performance on the IV set versus the EV set, the following were found: AUCs of 0.967 (IV) versus 0.975 (EV), 0.976 (IV) versus 0.985 to 0.992 (EV), 0.93 to 0.96 (IV) versus 0.80 to 0.89 (EV), and F1-scores of 0.856 to 0.863 (IV) versus 0.757 to 0.840 (EV). Conclusion The number of externally validated CNNs in orthopaedic trauma for fracture recognition is still scarce. This greatly limits the potential for transfer of these CNNs from the developing institute to another hospital to achieve similar diagnostic performance. We recommend the use of geographical EV and statements such as the Consolidated Standards of Reporting Trials–Artificial Intelligence (CONSORT-AI), the Standard Protocol Items: Recommendations for Interventional Trials–Artificial Intelligence (SPIRIT-AI) and the Transparent Reporting of a multivariable prediction model for Individual Prognosis or Diagnosis–Machine Learning (TRIPOD-ML) to critically appraise performance of CNNs and improve methodological rigor, quality of future models, and facilitate eventual implementation in clinical practice. Cite this article: Bone Jt Open 2021;2(10):879–885.
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Affiliation(s)
- Luisa Oliveira E Carmo
- Department of Orthopaedic Surgery, University Medical Centre, University of Groningen, Groningen, Groningen, Netherlands
| | - Anke van den Merkhof
- Department of Orthopaedic Surgery, Flinders Medical Centre, Bedford Park, Adelaide, South Australia, Australia.,Flinders University, Bedford Park, Adelaide, South Australia, Australia
| | - Jakub Olczak
- Institute of Clinical Sciences, Danderyd University Hospital, Karolinska Institute, Stockholm, Sweden
| | - Max Gordon
- Institute of Clinical Sciences, Danderyd University Hospital, Karolinska Institute, Stockholm, Sweden
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University Medical Centre, University of Groningen, Groningen, Groningen, Netherlands
| | - Ruurd L Jaarsma
- Department of Orthopaedic Surgery, Flinders Medical Centre, Bedford Park, Adelaide, South Australia, Australia.,Flinders University, Bedford Park, Adelaide, South Australia, Australia
| | - Frank F A IJpma
- Department of Trauma Surgery, University Medical Centre Groningen, University of Groningen, Groningen, Groningen, Netherlands
| | - Job N Doornberg
- Department of Orthopaedic Surgery, University Medical Centre, University of Groningen, Groningen, Groningen, Netherlands.,Department of Orthopaedic Surgery, Flinders Medical Centre, Bedford Park, Adelaide, South Australia, Australia.,Flinders University, Bedford Park, Adelaide, South Australia, Australia.,Department of Trauma Surgery, University Medical Centre Groningen, University of Groningen, Groningen, Groningen, Netherlands
| | - Jasper Prijs
- Department of Orthopaedic Surgery, University Medical Centre, University of Groningen, Groningen, Groningen, Netherlands.,Department of Orthopaedic Surgery, Flinders Medical Centre, Bedford Park, Adelaide, South Australia, Australia.,Flinders University, Bedford Park, Adelaide, South Australia, Australia.,Department of Trauma Surgery, University Medical Centre Groningen, University of Groningen, Groningen, Groningen, Netherlands
| | -
- Machine Learning Consortium
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23
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Rivas R, Hijlkema RB, Cornelissen LJ, Kwee TC, Jutte PC, van Ooijen PMA. Effects of control temperature, ablation time, and background tissue in radiofrequency ablation of osteoid osteoma: A computer modeling study. Int J Numer Method Biomed Eng 2021; 37:e3512. [PMID: 34313015 PMCID: PMC9285497 DOI: 10.1002/cnm.3512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 06/05/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
To study the effects of the control temperature, ablation time, and the background tissue surrounding the tumor on the size of the ablation zone on radiofrequency ablation (RFA) of osteoid osteoma (OO). Finite element models of non-cooled temperature-controlled RFA of typical OOs were developed to determine the resulting ablation radius at control temperatures of 70, 80, and 90°C. Three different geometries were used, mimicking common cases of OO. The ablation radius was obtained by using the Arrhenius equation to determine cell viability. Ablation radii were larger for higher temperatures and also increased with time. All geometries and control temperatures tested had ablation radii larger than the tumor. The ablation radius developed rapidly in the first few minutes for all geometries and control temperatures tested, developing slowly towards the end of the ablation. Resistive heating and the temperature distribution showed differences depending on background tissue properties, resulting in differences in the ablation radius on each geometry. The ablation radius has a clear dependency not only on the properties of the tumor but also on the background tissue. Lower background tissue's electrical conductivity and blood perfusion rates seem to result in larger ablation zones. The differences observed between the different geometries suggest the need for patient-specific planning, as the anatomical variations could cause significantly different outcomes where models like the one here presented could help to guarantee safe and successful tumor ablations.
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Affiliation(s)
- Ricardo Rivas
- Department of RadiotherapyUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Rudy B. Hijlkema
- Faculty of Mathematics and Natural SciencesUniversity of GroningenGroningenThe Netherlands
| | - Ludo J. Cornelissen
- Department of RadiotherapyUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Thomas C. Kwee
- Department of RadiologyUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Paul C. Jutte
- Department of OrthopedicsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Peter M. A. van Ooijen
- Department of RadiotherapyUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
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24
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Scharff-Baauw M, Van Hooff ML, Van Hellemondt GG, Jutte PC, Bulstra SK, Spruit M. Good results at 2-year follow-up of a custom-made triflange acetabular component for large acetabular defects and pelvic discontinuity: a prospective case series of 50 hips. Acta Orthop 2021; 92:297-303. [PMID: 33583339 PMCID: PMC8237836 DOI: 10.1080/17453674.2021.1885254] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background and purpose - Custom triflange acetabular components (CTACs) are suggested as good solutions for large acetabular defects in revision total hip arthroplasty. However, high complication rates have been reported and most studies are of limited quality. This prospective study evaluates the performance of a CTAC in patients with large acetabular defects including pelvic discontinuity.Patients and methods - Prospectively collected data of 49 consecutive patients (50 hips), who underwent an acetabular revision with a CTAC were analyzed. Follow-up (FU) was 2 years. The median age of the patients was 68 years (41-89) and 41 were women. Primary outcomes were re-revision of the CTAC and differences between the modified Oxford Hip Score (mOHS) preoperatively and at 2-year follow-up. Secondary outcomes included several patient-reported outcomes (PROMs), radiological results, complications, and a comparison between hips with and without pelvic discontinuity (PD).Results - 1 patient (1 hip) was lost to the 2-year FU. No CTAC needed re-revision. The preoperative and 2-year FU mOHS were available in 40 hips and improved statistically significantly. All of the other secondary outcomes improved over time. 5 hips (of 45 with radiological 2-year FU) had loosening of screws. 8 hips had complications, including 3 persistent wound leakage, 3 pelvic fractures, and 1 dislocation. The mOHS and complication rate were similar in hips with and without PD.Interpretation - Reconstruction of large acetabular defects with and without PD with this CTAC showed good improvement in patient-reported daily functioning, high patient-reported satisfaction, few complications, and no re-revisions at 2-year FU.
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Affiliation(s)
- Marieke Scharff-Baauw
- Orthopaedic Department, Sint Maartenskliniek, Nijmegen; ,Orthopaedic Department, University Medical Centre Groningen; ,Orthopaedic Department, Medisch Centrum Leeuwarden, The Netherlands,Correspondence:
| | | | | | - Paul C Jutte
- Orthopaedic Department, University Medical Centre Groningen;
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25
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Löwik CAM, Parvizi J, Jutte PC, Zijlstra WP, Knobben BAS, Xu C, Goswami K, Belden KA, Sousa R, Carvalho A, Martínez-Pastor JC, Soriano A, Wouthuyzen-Bakker M. Debridement, Antibiotics, and Implant Retention Is a Viable Treatment Option for Early Periprosthetic Joint Infection Presenting More Than 4 Weeks After Index Arthroplasty. Clin Infect Dis 2021; 71:630-636. [PMID: 31504331 DOI: 10.1093/cid/ciz867] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 08/30/2019] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND The success of debridement, antibiotics, and implant retention (DAIR) in early periprosthetic joint infection (PJI) largely depends on the presence of a mature biofilm. At what time point DAIR should be disrecommended is unknown. This multicenter study evaluated the outcome of DAIR in relation to the time after index arthroplasty. METHODS We retrospectively evaluated PJIs occurring within 90 days after surgery and treated with DAIR. Patients with bacteremia, arthroscopic debridements, and a follow-up <1 year were excluded. Treatment failure was defined as (1) any further surgical procedure related to infection; (2) PJI-related death; or (3) use of long-term suppressive antibiotics. RESULTS We included 769 patients. Treatment failure occurred in 294 patients (38%) and was similar between time intervals from index arthroplasty to DAIR: the failure rate for Week 1-2 was 42% (95/226), the rate for Week 3-4 was 38% (143/378), the rate for Week 5-6 was 29% (29/100), and the rate for Week 7-12 was 42% (27/65). An exchange of modular components was performed to a lesser extent in the early post-surgical course compared with the late course (41% vs 63%, respectively; P < .001). The causative microorganisms, comorbidities, and durations of symptoms were comparable between time intervals. CONCLUSIONS DAIR is a viable option in patients with early PJI presenting more than 4 weeks after index surgery, as long as DAIR is performed within at least 1 week after the onset of symptoms and modular components can be exchanged.
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Affiliation(s)
- Claudia A M Löwik
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Javad Parvizi
- Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Wierd P Zijlstra
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - Bas A S Knobben
- Department of Orthopaedic Surgery, Martini Hospital, Groningen, The Netherlands
| | - Chi Xu
- Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Karan Goswami
- Department of Orthopaedic Surgery, Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Katherine A Belden
- Department of Infectious Diseases, Sydney Kimmel Medical College at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Ricardo Sousa
- Department of Orthopaedic Surgery, Centro Hospitalar do Porto, Porto, Portugal
| | - André Carvalho
- Department of Orthopaedic Surgery and Traumatology, University of Barcelona, Hospital Clinic of Barcelona, Barcelona, Spain
| | - Juan Carlos Martínez-Pastor
- Department of Orthopaedic Surgery and Traumatology, University of Barcelona, Hospital Clinic of Barcelona, Barcelona, Spain
| | - Alex Soriano
- Department of Infectious Diseases, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Hospital Clinic of Barcelona, Barcelona, Spain
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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26
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Peeters CMM, van Houten L, Kempen DHR, Wapstra FH, Jutte PC, van den Akker-Scheek I, Faber C. Assessment of pedicle size in patients with scoliosis using EOS 2D imaging: a validity and reliability study. Eur Spine J 2021; 30:3473-3481. [PMID: 33895877 DOI: 10.1007/s00586-021-06839-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 12/30/2020] [Accepted: 04/06/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Free-hand pedicle screw insertion methods are widely used for screw insertion during scoliosis surgery. Preoperative knowledge about the pedicle size helps to maximize screw containment and minimize the risk of pedicle breach. Radiographs taken by a biplanar low-dose X-ray device (EOS) have no divergence in the vertical plane. The criterion validity and reliability of preoperative EOS images for pedicle size measurements in patients with idiopathic scoliosis (IS) was investigated in this study. METHODS Sixteen patients who underwent surgical treatment for IS were prospectively included. Intra- and extracortical pedicle height and width measurements on EOS images were compared with reconstructed intra-operative 3D images of the isthmus of included pedicles. Secondly, intra- and interobserver reliability of pedicle size measurements on EOS images was determined. RESULTS The total number of analyzed pedicles was 203. The correlation between the EOS and 3D scan measurements was very strong for the intra- and extracortical pedicle height and strong for the intra- and extracortical pedicle width. There are, however, significant, but likely clinically irrelevant differences (mean absolute differences < 0.43 mm) between the two measure methods for all four measurements except for extracortical pedicle height. For pedicles classified as Nash-Moe 0, no significant differences in intra- and extracortical pedicle width were observed. Both intra- and interobserver reliability was excellent for all pedicle size measurements on EOS images. CONCLUSION The results of this study indicate a good validity and reliability for pedicle size measurements on EOS radiographs. Therefore, EOS radiographs may be used for a preoperative estimation of pedicle size and subsequent screw diameter in patients with IS.
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Affiliation(s)
- C M M Peeters
- Department of Orthopaedics, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - L van Houten
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - D H R Kempen
- Department of Orthopaedics, OLVG, Amsterdam, The Netherlands
| | - F H Wapstra
- Department of Orthopaedics, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - P C Jutte
- Department of Orthopaedics, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - I van den Akker-Scheek
- Department of Orthopaedics, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - C Faber
- Department of Orthopaedics, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
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Nijland H, Overbosch J, Ploegmakers JJW, Kwee TC, Jutte PC. Long-Term Halo Follow-Up Confirms Less Invasive Treatment of Low-Grade Cartilaginous Tumors with Radiofrequency Ablation to Be Safe and Effective. J Clin Med 2021; 10:jcm10091817. [PMID: 33921927 PMCID: PMC8122417 DOI: 10.3390/jcm10091817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/11/2021] [Accepted: 04/18/2021] [Indexed: 12/04/2022] Open
Abstract
Background: Radiofrequency ablation (RFA) is a minimally invasive alternative in the treatment of bone tumors. Long-term follow-up has not been described in current literature. Detailed analysis of mid- and long-term follow-up after RFA treatment for a cohort of patients with low-grade cartilaginous tumors (atypical cartilaginous tumors and enchondroma) was performed. The results, complications, and development of halo dimensions over time are presented. Methods: Data of all patients with an RFA procedure for an ACT between 2007–2018 were included. Ablation area is visible on baseline MRI, 3 months post-procedure, and is called halo. Volume was measured on MR images and compared to different follow-up moments to determine the effect of time on halo volume. Follow-up was carried out 3 months and 1, 2, 5, and 7 years after the procedure. Occurrence of complications and recurrences were assessed. Results: Of the 137 patients included, 82 were analyzed. Mean follow-up time was 43.6 months. Ablation was complete in 73 cases (89.0%). One late complication occurred, while no recurrences were seen. Halo dimensions of height, width, and depth decreased with a similar rate, 21.5% on average in the first year. Subsequently, this decrease in halo size continues gradually during follow-up, indicating bone revitalization. Conclusion: RFA is a safe and effective treatment in low-grade cartilaginous tumors with an initial success rate of 89.0%. Extended follow-up shows no local recurrences and gradual substitution of the halo with normal bone.
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Affiliation(s)
- Hendricus Nijland
- Department of Orthopaedic Surgery, University Medical Center Groningen, 9713GZ Groningen, The Netherlands; (J.J.W.P.); (P.C.J.)
- Correspondence:
| | - Jelle Overbosch
- Department of Radiology, University Medical Center Groningen, 9713GZ Groningen, The Netherlands; (J.O.); (T.C.K.)
| | - Joris J. W. Ploegmakers
- Department of Orthopaedic Surgery, University Medical Center Groningen, 9713GZ Groningen, The Netherlands; (J.J.W.P.); (P.C.J.)
| | - Thomas C. Kwee
- Department of Radiology, University Medical Center Groningen, 9713GZ Groningen, The Netherlands; (J.O.); (T.C.K.)
| | - Paul C. Jutte
- Department of Orthopaedic Surgery, University Medical Center Groningen, 9713GZ Groningen, The Netherlands; (J.J.W.P.); (P.C.J.)
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Staphorst F, Jutte PC, Boerboom AL, Kampinga GA, Ploegmakers JJW, Wouthuyzen-Bakker M. Should all hip and knee prosthetic joints be aspirated prior to revision surgery? Arch Orthop Trauma Surg 2021; 141:461-468. [PMID: 33559723 PMCID: PMC7900020 DOI: 10.1007/s00402-021-03791-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 01/11/2021] [Indexed: 10/27/2022]
Abstract
AIMS It is essential to exclude a periprosthetic joint infection (PJI) prior to revision surgery. It is recommended to routinely aspirate the joint before surgery. However, this may not be necessary in a subgroup of patients. The aim of our study was to investigate if specific clinical and implant characteristics could be identified to rule out a PJI prior to revision surgery. METHODS We retrospectively evaluated clinical and implant characteristics of patients who underwent a hip or knee revision surgery between October 2015 and October 2018. Patients were diagnosed with a PJI according to the MSIS diagnostic criteria. RESULTS A total of 156 patients were analyzed, including 107 implants that were revised because of prosthetic loosening and 49 because of mechanical failure (i.e. instability, malalignment or malpositioning). No PJI was diagnosed in the group with mechanical failure. In the prosthetic loosening group, 20 of 107 were diagnosed with a PJI (19%). Although there was a significantly lower chance of having a PJI with an implant age of > 5 years combined with a CRP < 5 mg/L, an infection was still present in 3 out of 39 cases (8%). CONCLUSION Implants with solely mechanical failure without signs of loosening and low inflammatory parameters probably do not require a synovial fluid aspiration. These results need to be confirmed in a larger cohort of patients. In case of prosthetic loosening, all joints need to be aspirated before surgery as no specific characteristic could be identified to rule out an infection.
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Affiliation(s)
- Femke Staphorst
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, The Netherlands
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Alexander L Boerboom
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Greetje A Kampinga
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, The Netherlands
| | - Joris J W Ploegmakers
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, PO Box 30.001, 9700 RB, Groningen, The Netherlands.
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29
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Dreijerink KMA, van Leeuwaarde RS, Hackeng WM, Giles RH, de Leng WWJ, Jutte PC, Suurmeijer AJH, van Nesselrooij BPM, Brosens LAA. Clear cell chondrosarcoma in Von Hippel-Lindau disease. Fam Cancer 2021; 19:41-45. [PMID: 31673890 PMCID: PMC7026311 DOI: 10.1007/s10689-019-00149-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A diagnosis of clear cell chondrosarcoma of the ulna was made in a patient with Von Hippel-Lindau disease (VHL). After surgery, genetic analysis of the tumor tissue showed loss of heterozygosity at the VHL gene locus. Immunohistochemical analysis confirmed loss of expression of the VHL protein in the tumor cells. In addition, abundant Cyclin D1 expression in the tumor was observed. Chondrosarcoma has been described before in a VHL patient and VHL protein expression has been correlated to tumor grade in a series of sporadic chondrosarcomas. In this report, we show that clear cell chondrosarcoma may be a rare but canonical VHL manifestation through a cell-autonomous mechanism involving somatic loss-of-heterozygosity of the VHL tumor suppressor gene. We discuss the relevance of this observation with regard to the pathogenesis of clear cell chondrosarcoma in the context of VHL.
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Affiliation(s)
- Koen M A Dreijerink
- Department of Internal Medicine, Amsterdam University Medical Centers, Location VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands. .,Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands.
| | - Rachel S van Leeuwaarde
- Department of Endocrine Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Wenzel M Hackeng
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Rachel H Giles
- Department of Nephrology and Hypertension, Regenerative Medicine Center, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Wendy W J de Leng
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Paul C Jutte
- Department of Orthopedics, University Medical Center Groningen, Groningen, The Netherlands
| | - Albert J H Suurmeijer
- Department of Pathology, University Medical Center Groningen, Groningen, The Netherlands
| | | | - Lodewijk A A Brosens
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
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Kasalak Ö, Wouthuyzen-Bakker M, Dierckx RAJO, Jutte PC, Kwee TC. Time to Reconsider Routine Percutaneous Biopsy in Spondylodiscitis? AJNR Am J Neuroradiol 2021; 42:627-631. [PMID: 33541899 DOI: 10.3174/ajnr.a6994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 11/09/2020] [Indexed: 11/07/2022]
Abstract
Percutaneous image-guided biopsy currently has a central role in the diagnostic work-up of patients with suspected spondylodiscitis. However, on the basis of recent evidence, the value of routine image-guided biopsy in this disease can be challenged. In this article, we discuss this recent evidence and also share a new diagnostic algorithm for spondylodiscitis that was recently introduced at our institution. Thus, we may move from a rather dogmatic approach in which routine image-guided biopsy is performed in any case to a more individualized use of this procedure.
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Affiliation(s)
- Ö Kasalak
- From the Departments of Radiology, Nuclear Medicine and Molecular Imaging (Ö.K., R.A.J.O.D., T.C.K.)
| | | | - R A J O Dierckx
- From the Departments of Radiology, Nuclear Medicine and Molecular Imaging (Ö.K., R.A.J.O.D., T.C.K.)
| | - P C Jutte
- Orthopedics (P.C.J.), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - T C Kwee
- From the Departments of Radiology, Nuclear Medicine and Molecular Imaging (Ö.K., R.A.J.O.D., T.C.K.)
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Schutgens EM, Picci P, Baumhoer D, Pollock R, Bovée JVMG, Hogendoorn PCW, Dijkstra PDS, Rueten-Budde AJ, Jutte PC, Traub F, Leithner A, Tunn PU, Funovics P, Sys G, San-Julian M, Schaap GR, Dürr HR, Hardes J, Healey J, Capanna R, Biau D, Gomez-Brouchet A, Wunder J, Cosker TDA, Laitinen MK, Niu X, Kostiuk V, van de Sande MAJ. Surgical Outcome and Oncological Survival of Osteofibrous Dysplasia-Like and Classic Adamantinomas: An International Multicenter Study of 318 Cases. J Bone Joint Surg Am 2020; 102:1703-1713. [PMID: 33027124 PMCID: PMC8569856 DOI: 10.2106/jbjs.19.01056] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Osteofibrous dysplasia-like adamantinoma (OFD-AD) and classic adamantinoma (AD) are rare, neoplastic diseases with only limited data supporting current treatment protocols. We believe that our retrospective multicenter cohort study is the largest analysis of patients with adamantinoma to date. The primary purpose of this study was to describe the disease characteristics and evaluate the oncological outcomes. The secondary purpose was to identify risk factors for local recurrence after surgical treatment and propose treatment guidelines. METHODS Three hundred and eighteen confirmed cases of OFD-AD and AD for which primary treatment was carried out between 1985 and 2015 were submitted by 22 tertiary bone tumor centers. Proposed clinical risk factors for local recurrence such as size, type, and margins were analyzed using univariable and multivariate Cox regression analysis. RESULTS Of the 318 cases, 128 were OFD-AD and 190 were AD. The mean age at diagnosis was 17 years (median, 14.5 years) for OFD-AD and 32 years (median, 28 years) for AD; 53% of the patients were female. The mean tumor size in the OFD-AD and AD groups combined was 7.8 cm, measured histologically. Sixteen percent of the patients sustained a pathological fracture prior to treatment. Local recurrence was recorded in 22% of the OFD-AD cases and 24% of the AD cases. None of the recurrences in the OFD-AD group progressed to AD. Metastatic disease was found in 18% of the AD cases and fatal disease, in 11% of the AD cases. No metastatic or fatal disease was reported in the OFD-AD group. Multivariate Cox regression analysis demonstrated that uncontaminated resection margins (hazard ratio [HR] = 0.164, 95% confidence interval [CI] = 0.092 to 0.290, p < 0.001), pathological fracture (HR = 1.968, 95% CI = 1.076 to 3.600, p = 0.028), and sex (female versus male: HR = 0.535, 95% CI = 0.300 to 0.952, p = 0.033) impacted the risk of local recurrence. CONCLUSIONS OFD-AD and AD are parts of a disease spectrum but should be regarded as different entities. Our results support reclassification of OFD-AD into the intermediate locally aggressive category, based on the local recurrence rate of 22% and absence of metastases. In our study, metastatic disease was restricted to the AD group (an 18% rate). We advocate wide resection with uncontaminated margins including bone and involved periosteum for both OFD-AD and AD. LEVEL OF EVIDENCE Prognostic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- E M Schutgens
- Departments of Orthopedic Surgery (E.M.S., P.D.S.D., and M.A.J.v.d.S.), Histopathology (J.V.M.G.B.), and Pathology (P.C.W.H.), Leiden University Medical Center, Leiden, the Netherlands
- London Sarcoma Service, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - P Picci
- Medical Oncology, Musculoskeletal Oncology Department, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - D Baumhoer
- Bone Tumour Reference Centre, Institute of Pathology, University Hospital and University of Basel, Basel, Switzerland
| | - R Pollock
- London Sarcoma Service, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - J V M G Bovée
- Departments of Orthopedic Surgery (E.M.S., P.D.S.D., and M.A.J.v.d.S.), Histopathology (J.V.M.G.B.), and Pathology (P.C.W.H.), Leiden University Medical Center, Leiden, the Netherlands
| | - P C W Hogendoorn
- Departments of Orthopedic Surgery (E.M.S., P.D.S.D., and M.A.J.v.d.S.), Histopathology (J.V.M.G.B.), and Pathology (P.C.W.H.), Leiden University Medical Center, Leiden, the Netherlands
| | - P D S Dijkstra
- Departments of Orthopedic Surgery (E.M.S., P.D.S.D., and M.A.J.v.d.S.), Histopathology (J.V.M.G.B.), and Pathology (P.C.W.H.), Leiden University Medical Center, Leiden, the Netherlands
| | - A J Rueten-Budde
- Mathematical Institute, Leiden University, Leiden, the Netherlands
| | - P C Jutte
- Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - F Traub
- Orthopedic Surgery, University of Tübingen, Tübingen, Germany
| | - A Leithner
- Department of Orthopedics and Trauma, Medical University of Graz, Graz, Austria
| | - P-U Tunn
- Orthopedic Surgery, Helios-Clinics, Berlin, Germany
| | - P Funovics
- Orthopedic Surgery, Medical University of Vienna, Vienna, Austria
| | - G Sys
- Orthopedic Surgery, Ghent University Hospital, Ghent, Belgium
| | - M San-Julian
- Orthopedic Surgery, University of Navarra, Pamplona, Spain
| | - G R Schaap
- Orthopedic Surgery, Academic Medical Center, Amsterdam, the Netherlands
| | - H R Dürr
- Department of Tumor Orthopedics and Sarcoma Surgery, University Hospital Essen, Essen, Germany
| | - J Hardes
- Musculoskeletal Oncology, Department of Orthopedic Surgery, Physical Medicine and Rehabilitation, University Hospital, LMU Munich, Munich, Germany
| | - J Healey
- Orthopedic Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - R Capanna
- Department of Orthopaedics, S. Chiara University Hospital, University of Pisa, Italy
| | - D Biau
- Orthopedic Surgery, Cochin Hospital, Paris, France
| | - A Gomez-Brouchet
- Department of Histopathology, University Medical Center, Toulouse, France
| | - J Wunder
- University Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - T D A Cosker
- Orthopedic Surgery, Nuffield Orthopedic Center, Oxford, United Kingdom
| | - M K Laitinen
- Orthopedic Surgery, Helsinki University Hospital, Helsinki, Finland
| | - X Niu
- Department of Orthopedic Oncology, Beijing Jishuitan Hospital, Beijing, People's Republic of China
| | - V Kostiuk
- Orthopedic Surgery, National Cancer Institute Ukraine, Kiev, Ukraine
| | - M A J van de Sande
- Departments of Orthopedic Surgery (E.M.S., P.D.S.D., and M.A.J.v.d.S.), Histopathology (J.V.M.G.B.), and Pathology (P.C.W.H.), Leiden University Medical Center, Leiden, the Netherlands
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Talsma DT, Ploegmakers JJW, Jutte PC, Kampinga G, Wouthuyzen-Bakker M. Time to positivity of acute and chronic periprosthetic joint infection cultures. Diagn Microbiol Infect Dis 2020; 99:115178. [PMID: 33017799 DOI: 10.1016/j.diagmicrobio.2020.115178] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/08/2020] [Accepted: 08/11/2020] [Indexed: 11/18/2022]
Abstract
INTRODUCTION A prolonged incubation time is generally recommended for diagnosing periprosthetic joint infections (PJI). However, in literature, no distinction is made between acute and chronic infections. METHODS All patients with a PJI that underwent surgical debridement between November 2015 and February 2019 with or without revision of the prosthesis were retrospectively evaluated. Synovial fluid, 5 intraoperative periprosthetic tissue samples, and the sonicated prosthesis were cultured. RESULTS Fifty-nine patients were analyzed, including 21 acute PJIs (33 isolates) and 38 chronic PJIs (46 isolates). In acute PJIs, all isolates grew within 5 days, while this took 11 days for chronic PJIs. Sonication fluid showed the shortest time to positivity (78% at day 2) for chronic PJIs, but no difference was observed for acute PJIs compared to tissue cultures. CONCLUSION In contrast to cultures from chronic PJIs, acute PJIs do not need a prolonged incubation time and no clear benefit is observed for sonication.
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Affiliation(s)
- D T Talsma
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700, RB, Groningen
| | - J J W Ploegmakers
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700, RB, Groningen
| | - P C Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700, RB, Groningen
| | - G Kampinga
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700, RB, Groningen
| | - M Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9700, RB, Groningen.
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Brandsma ASE, Veen EJD, Glaudemans AWJM, Jutte PC, Ploegmakers JJW. Customized treatment for an oncologic lesion near a joint: case report of a custom-made 3D-printed prosthesis for a grade II chondrosarcoma of the proximal ulna. JSES Int 2020; 5:42-45. [PMID: 33554162 PMCID: PMC7846681 DOI: 10.1016/j.jseint.2020.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Affiliation(s)
- Annemarie S E Brandsma
- Department of Orthopedic Surgery, University Medical Center Groningen, Groningen, the Netherlands
| | - Egbert Jan D Veen
- Department of Orthopedic Surgery, University Medical Center Groningen, Groningen, the Netherlands
| | - Andor W J M Glaudemans
- Department of Nuclear Medicine, University Medical Center Groningen, Groningen, the Netherlands
| | - Paul C Jutte
- Department of Orthopedic Surgery, University Medical Center Groningen, Groningen, the Netherlands
| | - Joris J W Ploegmakers
- Department of Orthopedic Surgery, University Medical Center Groningen, Groningen, the Netherlands
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Wouthuyzen-Bakker M, Löwik CAM, Ploegmakers JJW, Knobben BAS, Dijkstra B, de Vries AJ, Mithoe G, Kampinga G, Zijlstra WP, Jutte PC. A Second Surgical Debridement for Acute Periprosthetic Joint Infections Should Not Be Discarded. J Arthroplasty 2020; 35:2204-2209. [PMID: 32192835 DOI: 10.1016/j.arth.2020.02.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 02/13/2020] [Accepted: 02/20/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND In acute periprosthetic joint infections (PJIs), a second surgical debridement (debridement, antibiotics, and implant retention [DAIR]) is generally not recommended after a failed first one. We identified the failure rate of a second DAIR and aimed to identify patients in whom an additional debridement might still be beneficial. METHODS Patients with acute PJI of the hip or knee and treated with DAIR between 2006 and 2016 were retrospectively evaluated. A second DAIR was routinely performed provided that the soft tissue was intact. Failure of a second DAIR was described as (1) the need for additional surgical intervention to achieve infection control, (2) the need for antibiotic suppressive therapy due to persistent clinical and/or biochemical signs of infection, or (3) PJI related death. RESULTS From the 455 cases treated with DAIR, 144 cases underwent a second debridement (34.6%). Thirty-seven cases failed (37/144, 25.7%). The implant needed to be removed in 23 cases (23/144, 16%). Positive cultures during the second DAIR (odds ratio 3.16, 95% confidence interval 1.29-7.74) and chronic renal insufficiency (odds ratio 13.6, 95% confidence interval 2.03-91.33) were independent predictors for failure in the multivariate analysis. No difference in failure was observed between persistent infection with the same microorganism and reinfection with a new microorganism (failure rate 31.6% vs 34.6%, P = .83). CONCLUSION A second DAIR had a low failure rate in our cohort of patients and the implant could be retained in the majority of them. Therefore, a second DAIR should not be discarded in acute PJIs.
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Affiliation(s)
- Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Claudia A M Löwik
- Department of Orthopaedic Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Joris J W Ploegmakers
- Department of Orthopaedic Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Bas A S Knobben
- Department of Orthopaedic Surgery, Martini Hospital, Groningen, the Netherlands
| | - Baukje Dijkstra
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, Leeuwarden, the Netherlands
| | - Astrid J de Vries
- Department of Orthopaedic Surgery, Martini Hospital, Groningen, the Netherlands
| | - Glen Mithoe
- Department of Medical Microbiology, Certe, Groningen, the Netherlands
| | - Greetje Kampinga
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Wierd P Zijlstra
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, Leeuwarden, the Netherlands
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Rivas R, Overbosch J, Kwee T, Kraeima J, Dierckx RAJO, Jutte PC, van Ooijen PM. Radiofrequency ablation of atypical cartilaginous tumors in long bones: a retrospective study. Int J Hyperthermia 2020; 36:1189-1195. [PMID: 31884842 DOI: 10.1080/02656736.2019.1687943] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Purpose: To determine the size of the ablation zone after radiofrequency ablation (RFA) of atypical cartilaginous bone tumors (ACT) using temperature-controlled 20 and 30 mm RFA straight non-cooled electrodes.Materials and methods: Sixteen patients with ACT in their long bones, who had undergone a single-session single-application CT-guided temperature-controlled RFA, were included retrospectively in the study. Tumors with a diameter of 10-25 mm were treated with 20 mm electrodes (n = 10), and tumors of 25-35 mm, with 30 mm electrodes (n = 6). The ablated zone was measured after three months on MRI images.Results: All the tumors were within the ablated zone on the 3-month follow-up MRI scan. The mean ablation time with the electrode, at a target temperature of 90 °C, was 7.6 minutes (range 6-10). The median of the largest ablation diameters, on applying the 20 and 30 mm electrodes, were 42 mm (IQR 8.5, range 30-51 mm) and 44.5 mm (IQR 4.5, range 42-63 mm), respectively.Conclusions: All the retrospectively viewed tumors in the long bones of ACT patients treated with RFA were completely ablated. The ablation zone diameters in the bones were larger than expected, when compared to other tissues, such as the liver.
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Affiliation(s)
- Ricardo Rivas
- Department of Radiotherapy, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jelle Overbosch
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Thomas Kwee
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Joep Kraeima
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Rudi A J O Dierckx
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Paul C Jutte
- Department of Orthopedics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Peter M van Ooijen
- Department of Radiotherapy, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Loudini N, Glaudemans AWJM, Jutte PC, Yakar D, Kwee TC. The value of prebiopsy FDG-PET/CT in discriminating malignant from benign vertebral bone lesions in a predominantly oncologic population. Skeletal Radiol 2020; 49:1387-1395. [PMID: 32253470 PMCID: PMC7360653 DOI: 10.1007/s00256-020-03426-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/18/2020] [Accepted: 03/23/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To determine the value of prebiopsy 18F-fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET)/computed tomography (CT) in discriminating malignant from benign vertebral bone lesions. MATERIALS AND METHODS This retrospective study included 53 patients with 55 vertebral bone lesions that underwent FDG-PET/CT before CT-guided biopsy. Pathologic examination of the biopsy sample and a minimum follow-up of 1 year were used as reference standard. RESULTS Sensitivity, specificity, positive predictive value, and negative predictive value of visual FDG-PET analysis (with lesion FDG uptake higher than liver FDG uptake as threshold for malignancy) in discriminating malignant from benign vertebral bone lesions were 91.3% (42/46), 22.2% (2/9), 85.7% (42/49), and 33.3% (2/6), respectively. The semiquantitative FDG-PET metrics SUVmax and SUVpeak achieved areas under the receiver operating characteristics curve of 0.630 and 0.671, respectively. Malignant lesions demonstrated bone lysis more frequently than benign lesions (60.9% (28/46) vs. 22.2% (2/9)), and this difference was nearly significant (P = 0.064). All other clinical and conventional imaging characteristics (including patient age, gender, previous diagnosis of malignancy, bone pain, weight loss, any CT abnormality, sclerosis, cortical destruction, bone marrow replacement, associated extraosseous soft tissue mass, and accompanying vertebral height loss, multiple bone lesions on FDG-PET/CT, and suspicious extraosseous lesions on FDG-PET/CT) were not significantly different (P = 0.143 to 1.000). CONCLUSION FDG-PET/CT may steer the diagnosis (particularly thanks to a relatively high PPV and value of semiquantitative measurements), but cannot always classify vertebral bone lesions as malignant or benign with sufficient certainty. In these cases, biopsy and/or follow-up remain necessary to establish a final diagnosis.
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Affiliation(s)
- Naila Loudini
- Medical Imaging Center, Departments of Radiology, Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, |Hanzeplein 1, P.O. Box 30.001, 9700 RB Groningen, The Netherlands
| | - Andor W. J. M. Glaudemans
- Medical Imaging Center, Departments of Radiology, Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, |Hanzeplein 1, P.O. Box 30.001, 9700 RB Groningen, The Netherlands
| | - Paul C. Jutte
- Department of Orthopedics, |University of Groningen, University Medical Center Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 RB Groningen, The Netherlands
| | - Derya Yakar
- Medical Imaging Center, Departments of Radiology, Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, |Hanzeplein 1, P.O. Box 30.001, 9700 RB Groningen, The Netherlands
| | - Thomas C. Kwee
- Medical Imaging Center, Departments of Radiology, Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, |Hanzeplein 1, P.O. Box 30.001, 9700 RB Groningen, The Netherlands
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Tijdens-Creusen EJA, Jutte PC, Schoumakers WMHH, Van der Klauw MM, Wouthuyzen-Bakker M. Orthopedic Aspects of the Diabetic Foot. Curr Pharm Des 2019; 24:1255-1269. [PMID: 29595101 DOI: 10.2174/1381612824666180328120347] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 03/22/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Diabetes Mellitus (DM) is a common medical condition affecting more than 6% of the world population. Besides well-known pathology like diabetic retinopathy and renal insufficiency, it carries important orthopedic implications, especially around the foot and ankle (diabetic foot). Focus This article focusses on the three major areas confronting the orthopedist: 1) changes in foot statics and biology leading to ulceration with or without osteomyelitis, 2) ankle fractures, particularly complications after a fracture and 3) Charcot foot. Their pathophysiology, clinical features, classification, diagnostic dilemmas and treatment options are discussed. CONCLUSION DM is very common and is often associated with foot problems. Diabetic foot is a special condition that needs special attention. This article aims to provide the necessary knowledge to a better understanding and treatment of the diabetic foot.
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Affiliation(s)
- Elvira J A Tijdens-Creusen
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Wim M H H Schoumakers
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Melanie M Van der Klauw
- Department of Endocrinology and Internal Medicine, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, Infectious Diseases, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
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Kasalak Ö, Suurmeijer AJH, De Haan JJ, Adams HJA, Jutte PC, Kwee TC. A Pitfall for Diffusion-weighted MR Imaging When Assessing the Response to Neoadjuvant Chemotherapy in Ewing Sarcoma. Magn Reson Med Sci 2019; 18:249-250. [PMID: 30518735 PMCID: PMC6883089 DOI: 10.2463/mrms.ci.2018-0122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Ömer Kasalak
- Department of Radiology, Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen
| | - Albert J H Suurmeijer
- Department of Pathology, University of Groningen, University Medical Center Groningen
| | - Jacco J De Haan
- Department of Medical Oncology, University of Groningen, University Medical Center Groningen
| | - Hugo J A Adams
- Department of Radiology and Nuclear Imaging, Amsterdam UMC
| | - Paul C Jutte
- Department of Orthopedics, University Medical Center Groningen, University of Groningen
| | - Thomas C Kwee
- Department of Radiology, Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen
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Wouthuyzen-Bakker M, Löwik CAM, Knobben BAS, Zijlstra WP, Ploegmakers JJW, Mithoe G, Al Moujahid A, Kampinga GA, Jutte PC. Use of gentamicin-impregnated beads or sponges in the treatment of early acute periprosthetic joint infection: a propensity score analysis. J Antimicrob Chemother 2019; 73:3454-3459. [PMID: 30189006 DOI: 10.1093/jac/dky354] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 08/07/2018] [Indexed: 01/15/2023] Open
Abstract
Objectives Early acute periprosthetic joint infections (PJIs) treated with debridement, antibiotics and implant retention (DAIR) have failure rates ranging from 10% to 60%. We determined the efficacy of applying local gentamicin-impregnated beads and/or sponges during debridement in early PJI. Methods Patients with early acute PJI, defined as less than 21 days of symptoms and treated with DAIR within 90 days after index surgery, were retrospectively evaluated. Early failure was defined as PJI-related death, the need for implant removal or a second DAIR or antibiotic suppressive therapy owing to persistent signs of infection, all within 60 days after initial debridement. Overall failure was defined as implant removal at any timepoint during follow-up. A 1:1 propensity score matching was performed to correct for confounding factors. Results A total of 386 patients were included. Local gentamicin was applied in 293 patients (75.9%) and was withheld in 93 patients (24.1%). Multivariate analysis demonstrated that the use of local gentamicin was independently associated with early failure (OR = 1.97, 95% CI = 1.12-3.48). After propensity matching, early failure was 40.3% in the gentamicin group versus 26.0% in the control group (P = 0.06) and overall failure was 5.2% in the gentamicin group versus 2.6% in the control group (P = 0.40). These numbers remained when solely analysing the application of gentamicin-impregnated sponges. Conclusions Even after propensity score matching, failure rates remained higher if local gentamicin-impregnated beads and/or sponges were administered in early acute PJI. Based on these results, their use should be discouraged.
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Affiliation(s)
- Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Claudia A M Löwik
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Bas A S Knobben
- Department of Orthopaedic Surgery, Martini Ziekenhuis, Groningen, The Netherlands
| | - Wierd P Zijlstra
- Department of Orthopaedic Surgery, Medisch Centrum Leeuwarden, Leeuwarden, The Netherlands
| | - Joris J W Ploegmakers
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Glen Mithoe
- Department of Medical Microbiology, Certe Medical Diagnostics & Advice, Groningen, The Netherlands
| | - Aziz Al Moujahid
- Center for Infectious Diseases Friesland, Izore, Leeuwarden, The Netherlands
| | - Greetje A Kampinga
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Govaert G, Hobbelink M, Reininga I, Bosch P, Kwee TC, de Jong PA, Jutte PC, Vogely HC, Dierckx R, Leenen L, Glaudemans A, IJpma F. The accuracy of diagnostic Imaging techniques in patients with a suspected Fracture-related Infection (IFI) trial: study protocol for a prospective multicenter cohort study. BMJ Open 2019; 9:e027772. [PMID: 31501101 PMCID: PMC6738705 DOI: 10.1136/bmjopen-2018-027772] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION The optimal diagnostic imaging strategy for fracture-related infection (FRI) remains to be established. In this prospective study, the three commonly used advanced imaging techniques for diagnosing FRI will be compared. Primary endpoints are (1) determining the overall diagnostic performances of white blood cell (WBC) scintigraphy, fluorodeoxyglucose positron emission tomography (FDG-PET) and magnetic resonance imaging (MRI) in patients with suspected FRI and (2) establishing the most accurate imaging strategy for diagnosing FRI. METHODS AND ANALYSIS This study is a non-randomised, partially blinded, prospective cohort study involving two level 1 trauma centres in The Netherlands. All adult patients who require advanced medical imaging for suspected FRI are eligible for inclusion. Patients will undergo all three investigational imaging procedures (WBC scintigraphy, FDG-PET and MRI) within a time frame of 14 days after inclusion. The reference standard will be the result of at least five intraoperative sampled microbiology cultures, or, in case of no surgery, the clinical presence or absence of infection at 1 year follow-up. Initially, the results of all three imaging modalities will be available to the treating team as per local protocol. At a later time point, all scans will be centrally reassessed by nuclear medicine physicians and radiologists who are blinded for the identity of the patients and their clinical outcome. The discriminative ability of the imaging modalities will be quantified by several measures of diagnostic accuracy. ETHICS AND DISSEMINATION Approval of the study by the Institutional Review Board has been obtained prior to the start of this study. The results of this trial will be disseminated by publication of peer-reviewed manuscripts, presentation in abstract form at scientific meetings and data sharing with other investigators through academically established means. TRIAL REGISTRATION NUMBER The IFI trial is registered in the Netherlands Trial Register (NTR7490).
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Affiliation(s)
- Gam Govaert
- Department of Trauma Surgery, Utrecht University, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Mgg Hobbelink
- Department of Radiology and Nuclear Imaging, Utrecht University, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ihf Reininga
- Department of Trauma Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - P Bosch
- Department of Trauma Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - T C Kwee
- Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - P A de Jong
- Department of Radiology and Nuclear Imaging, Utrecht University, University Medical Center Utrecht, Utrecht, The Netherlands
| | - P C Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - H C Vogely
- Department of Orthopaedic Surgery, Utrecht University, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Rajo Dierckx
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Lph Leenen
- Department of Trauma Surgery, Utrecht University, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Awjm Glaudemans
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Ffa IJpma
- Department of Trauma Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Geertzen JH, de Beus MC, Jutte PC, Otten E, Dekker R. What is the optimal femur length in a trans-femoral amputation? A mixed method study: Scoping review, expert opinions and biomechanical analysis. Med Hypotheses 2019; 129:109238. [DOI: 10.1016/j.mehy.2019.109238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 04/21/2019] [Accepted: 05/19/2019] [Indexed: 10/26/2022]
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Mastboom MJL, Staals EL, Verspoor FGM, Rueten-Budde AJ, Stacchiotti S, Palmerini E, Schaap GR, Jutte PC, Aston W, Leithner A, Dammerer D, Takeuchi A, Thio Q, Niu X, Wunder JS, van de Sande MAJ. Surgical Treatment of Localized-Type Tenosynovial Giant Cell Tumors of Large Joints: A Study Based on a Multicenter-Pooled Database of 31 International Sarcoma Centers. J Bone Joint Surg Am 2019; 101:1309-1318. [PMID: 31318811 DOI: 10.2106/jbjs.18.01147] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Localized-type tenosynovial giant cell tumor (TGCT) is a rare, neoplastic disease with only limited data supporting treatment protocols. We describe treatment protocols and evaluate their oncological outcome, complications, and functional results in a large multicenter cohort of patients. A secondary study aim was to identify factors associated with local recurrence after surgical treatment. METHODS Patients with histologically proven localized TGCT of a large joint were included if they had been treated between 1990 and 2017 in 1 of 31 tertiary sarcoma centers. Of 941 patients with localized TGCT, 62% were female. The median age at initial treatment was 39 years, and the median duration of follow-up was 34 months. Sixty-seven percent of the tumors affected the knee, and the primary treatment at the tertiary center was 1-stage open resection in 73% of the patients. Proposed factors for predicting a first local recurrence after treatment in the tertiary center were tested in a univariate analysis, and those that demonstrated significance were subsequently included in a multivariate analysis. RESULTS The localized TGCT recurred in 12% of all cases, with local-recurrence-free rates at 3, 5, and 10 years of 88%, 83%, and 79%, respectively. The strongest factor for predicting recurrent disease was a prior recurrence (p < 0.001). Surgical treatment decreased pain and swelling in 71% and 85% of the patients, respectively, and such treatment was associated with complications in 4% of the patients. Univariate and multivariate analyses of the patients who had not undergone therapy previously yielded positive associations between local recurrence and a tumor size of ≥5 cm versus <5 cm (hazard ratio [HR] = 2.50; 95% confidence interval [CI] = 1.32 to 4.74; p = 0.005). Arthroscopy (versus open surgery) was significantly associated with tumor recurrence in the univariate analysis (p = 0.04) but not in the multivariate analysis (p = 0.056). CONCLUSIONS Factors associated with recurrence after resection of localized-type TGCT were larger tumor size and initial treatment with arthroscopy. Relatively low complication rates and good functional outcomes warrant an open approach with complete resection when possible to reduce recurrence rates in high-risk patients. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- M J L Mastboom
- Orthopaedic Surgery, Leiden University Medical Center, Leiden, the Netherlands
| | - E L Staals
- Orthopaedic Surgery (E.L.S.) and Medical Oncology (E.P.), Musculoskeletal Oncology Department, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - F G M Verspoor
- Orthopaedic Surgery, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands
| | - A J Rueten-Budde
- Mathematical Institute, Leiden University, Leiden, the Netherlands
| | - S Stacchiotti
- Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - E Palmerini
- Orthopaedic Surgery (E.L.S.) and Medical Oncology (E.P.), Musculoskeletal Oncology Department, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - G R Schaap
- Orthopaedic Surgery, Academic Medical Center, Amsterdam, the Netherlands
| | - P C Jutte
- Department of Orthopaedics, University Medical Center, University of Groningen, Groningen, the Netherlands
| | - W Aston
- Orthopaedic Surgery, Royal National Orthopaedic Hospital, London, United Kingdom
| | - A Leithner
- Department of Orthopaedic Surgery, Medical University Graz, Graz, Austria
| | - D Dammerer
- Orthopaedic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - A Takeuchi
- Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Q Thio
- Orthopaedic Surgery, Massachusetts General Hospital Harvard, Boston, Massachusetts
| | - X Niu
- Department of Orthopaedic Oncology, Beijing Jishuitan Hospital, Beijing, China
| | - J S Wunder
- University Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - M A J van de Sande
- Orthopaedic Surgery, Leiden University Medical Center, Leiden, the Netherlands
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Sconfienza LM, Signore A, Cassar-Pullicino V, Cataldo MA, Gheysens O, Borens O, Trampuz A, Wörtler K, Petrosillo N, Winkler H, Vanhoenacker FMHM, Jutte PC, Glaudemans AWJM. Diagnosis of peripheral bone and prosthetic joint infections: overview on the consensus documents by the EANM, EBJIS, and ESR (with ESCMID endorsement). Eur Radiol 2019; 29:6425-6438. [PMID: 31250170 DOI: 10.1007/s00330-019-06326-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 05/27/2019] [Accepted: 06/12/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Peripheral bone infection (PBI) and prosthetic joint infection (PJI) are two different infectious conditions of the musculoskeletal system. They have in common to be quite challenging to be diagnosed and no clear diagnostic flowchart has been established. Thus, a conjoined initiative on these two topics has been initiated by the European Society of Radiology (ESR), the European Association of Nuclear Medicine (EANM), the European Bone and Joint Infection Society (EBJIS), and the European Society of Clinical Microbiology and Infectious Diseases (ESCMID). The purpose of this work is to provide an overview on the two consensus documents on PBI and PJI that originated by the conjoined work of the ESR, EANM, and EBJIS (with ESCMID endorsement). METHODS AND RESULTS After literature search, a list of 18 statements for PBI and 25 statements for PJI were drafted in consensus on the most debated diagnostic challenges on these two topics, with emphasis on imaging. CONCLUSIONS Overall, white blood cell scintigraphy and magnetic resonance imaging have individually demonstrated the highest diagnostic performance over other imaging modalities for the diagnosis of PBI and PJI. However, the choice of which advanced diagnostic modality to use first depends on several factors, such as the benefit for the patient, local experience of imaging specialists, costs, and availability. Since robust, comparative studies among most tests do not exist, the proposed flowcharts are based not only on existing literature but also on the opinion of multiple experts involved on these topics. KEY POINTS • For peripheral bone infection and prosthetic joint infection, white blood cell and magnetic resonance imaging have individually demonstrated the highest diagnostic performance over other imaging modalities. • Two evidence- and expert-based diagnostic flowcharts involving variable combination of laboratory tests, biopsy methods, and radiological and nuclear medicine imaging modalities are proposed by a multi-society expert panel. • Clinical application of these flowcharts depends on several factors, such as the benefit for the patient, local experience, costs, and availability.
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Affiliation(s)
- Luca Maria Sconfienza
- IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161, Milan, Italy. .,Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy.
| | - Alberto Signore
- Nuclear Medicine Unit, Faculty of Medicine and Psychology, Department of Medical-Surgical Sciences and Translational Medicine, "Sapienza" University, Rome, Italy
| | - Victor Cassar-Pullicino
- Department of Diagnostic Imaging, The Robert Jones and Agnes Hunt Orthopaedic and District Hospital, Oswestry, Shropshire, UK
| | - Maria Adriana Cataldo
- Infectious Disease Unit, National Institute for Infectious Diseases "L. Spallanzani", IRCCS, Rome, Italy
| | - Olivier Gheysens
- Department of Nuclear Medicine and Molecular Imaging, University Hospitals Leuven, Leuven, Belgium
| | - Olivier Borens
- Division of Orthopaedic Surgery and Traumatology, Septic surgical unit, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Andrej Trampuz
- Center for Musculoskeletal Surgery (CMSC), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Klaus Wörtler
- Department of Diagnostic and Interventional Radiology, Technische Universität München, Munich, Germany
| | - Nicola Petrosillo
- Infectious Disease Unit, National Institute for Infectious Diseases "L. Spallanzani", IRCCS, Rome, Italy
| | - Heinz Winkler
- Osteitis-Centre, Privatklinik Döbling, Vienna, Austria
| | - Filip M H M Vanhoenacker
- Department of Radiology, Antwerp University Hospital and Antwerp University, Antwerp, Belgium.,AZ Sint-Maarten, Belgium, Mechelen, Belgium.,University of Ghent, Ghent, Belgium
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Andor W J M Glaudemans
- Department of Nuclear Medicine and Molecular Imaging, Medical Imaging Center, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Zuidhof RJWJ, Löwik CAM, Ploegmakers JJW, Dijkstra SPD, Wouthuyzen-Bakker M, Jutte PC. Periprosthetic joint infection in orthopaedic surgical oncology. Ann Joint 2019. [DOI: 10.21037/aoj.2019.05.01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Lipplaa A, Kroep JR, van der Heijden L, Jutte PC, Hogendoorn PCW, Dijkstra S, Gelderblom H. Adjuvant Zoledronic Acid in High-Risk Giant Cell Tumor of Bone: A Multicenter Randomized Phase II Trial. Oncologist 2019; 24:889-e421. [PMID: 31040253 PMCID: PMC6656477 DOI: 10.1634/theoncologist.2019-0280] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 04/06/2019] [Indexed: 11/17/2022] Open
Abstract
Lessons Learned. Adjuvant treatment with zoledronic acid did not decrease the recurrence rate of giant cell tumor of bone (GCTB) in this study. The efficacy could not be determined because of the small sample size. GCTB recurrences, even in the denosumab era, are still an issue; therefore, a randomized study exploring the efficacy of zoledronic acid in the adjuvant setting in GCTB is still valid.
Background. Bisphosphonates are assumed to inhibit giant cell tumor of bone (GCTB)‐associated osteoclast activity and have an apoptotic effect on the neoplastic mononuclear cell population. The primary objective of this study was to determine the 2‐year recurrence rate of high‐risk GCTB after adjuvant zoledronic acid versus standard care. Methods. In this multicenter randomized open‐label phase II trial, patients with high‐risk GCTB were included (December 2008 to October 2013). Recruitment was stopped because of low accrual after the introduction of denosumab. In the intervention group, patients received adjuvant zoledronic acid (4 mg) intravenously at 1, 2, 3, 6, 9, and 12 months after surgery. Results. Fourteen patients were included (intervention n = 8, controls n = 6). Median follow‐up was long: 93.5 months (range, 48–111). Overall 2‐year recurrence rate was 38% (3/8) in the intervention versus 17% (1/6) in the control group (p = .58). All recurrences were seen within the first 15 months after surgery. Conclusion. Adjuvant treatment with zoledronic acid did not decrease the recurrence rate of GCTB in this study. The efficacy could not be determined because of the small sample size. Because recurrences, even in the denosumab era, are still an issue, a randomized study exploring the efficacy of zoledronic acid in the adjuvant setting in GCTB is still valid.
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Affiliation(s)
- Astrid Lipplaa
- Department of Medical Oncology, Leiden University Medical Center, Leiden, The Netherlands
| | - Judith R Kroep
- Department of Medical Oncology, Leiden University Medical Center, Leiden, The Netherlands
| | - Lizz van der Heijden
- Department of Orthopedic Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Paul C Jutte
- Department of Orthopedic Surgery, University Medical Center Groningen, Groningen, The Netherlands
| | | | - Sander Dijkstra
- Department of Orthopedic Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Hans Gelderblom
- Department of Medical Oncology, Leiden University Medical Center, Leiden, The Netherlands
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Mastboom MJL, Palmerini E, Verspoor FGM, Rueten-Budde AJ, Stacchiotti S, Staals EL, Schaap GR, Jutte PC, Aston W, Gelderblom H, Leithner A, Dammerer D, Takeuchi A, Thio Q, Niu X, Wunder JS, van de Sande MAJ. Surgical outcomes of patients with diffuse-type tenosynovial giant-cell tumours: an international, retrospective, cohort study. Lancet Oncol 2019; 20:877-886. [PMID: 31029509 DOI: 10.1016/s1470-2045(19)30100-7] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/15/2019] [Accepted: 01/17/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Diffuse-type tenosynovial giant-cell tumour is a rare, locally aggressive, and difficult-to-treat soft tissue tumour. Clinical and surgical outcomes depend on multiple factors, including preoperative diagnostic assessment, the localisation and extent of disease, and possibly the choice of treatment modalities by orthopaedic surgeons. We did a retrospective cohort study to characterise global surgical treatment protocols, and assess surgical outcomes, complications, and functional results in patients with diffuse-type tenosynovial giant-cell tumours. METHODS In this international, multicentre, retrospective cohort study, we included consecutive patients treated in 31 sarcoma reference centres between Jan 1, 1990, and Dec 31, 2017. Eligible patients were of any age and had histologically proven diffuse-type tenosynovial giant-cell tumour of large joints. Patient data were retrieved from the local databases of participating centres. Patients with localised-type tenosynovial giant-cell tumour were excluded. In the analysis, we only included patients with complete core criteria data regarding admission status, date of treatment, type of treatment at participating centre, and first local recurrence after treatment. We used a non-parametric method to estimate recurrence-free survival at 3, 5, and 10 years after initial surgical resection in a tertiary centre. We used a multivariate Cox regression model to estimate the effect of risk factors. We also present subgroup analyses of disease status at presentation (primary vs recurrent disease) and recurrence-free survival by surgery type (open surgery vs arthroscopic synovectomy), and prespecified risk factors were tested in a univariate and multivariable analyses, with an endpoint of first local recurrence after treatment in a tertiary centre. FINDINGS Data collection for these analyses occurred between January, 2016, and May, 2018. We received the records of 1192 patients, of which 966 (81%) were surgically treated and had complete information on core criteria. 445 patients were admitted with therapy-naive disease of the knee and were primarily treated in a tertiary centre. Since patients with wait and see treatment do not have a starting date of treatment, these patients were excluded in the calculation of median follow-up time for all patients. For this calculation we used time of surgery as a starting date. 758 (64%) of 1192 patients had knee involvement and 628 (54%) of 1163 patients with complete data on type of surgery had one-staged open synovectomy. At a median follow-up of 54 months (IQR 27-97), recurrent disease developed in 425 (44%) of all 966 surgically treated cases, and recurrence-free survival was 62% (95% CI 59-65) at 3 years, 55% (51-58) at 5 years, and 40% (35-45) at 10 years. Surgical complications were reported in 105 (12%) of 906 patients who had complete data on surgical complications. Pain improved after surgical treatment in 255 (59%) of 434 patients and swelling improved in 328 (72%) of 453 patients who had complete data. INTERPRETATION This study of patients with diffuse-type tenosynovial giant-cell tumour provides a comprehensive and up-to-date disease overview, assessing the clinical profile and management of the disease in multiple specialised referral centres. Surgical treatment of diffuse-type tenosynovial giant cell tumours is not a definitive treatment for every patient because it involves a high risk for local recurrent disease and a relatively high risk for postoperative complications. After surgical treatment in treatment-naive patients, risk factors for recurrent disease in individual patients were not identified in what we believe is the largest cohort to date. FUNDING Daiichi Sankyo.
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Affiliation(s)
- Monique J L Mastboom
- Department of Orthopaedics, Leiden University Medical Center, Leiden, Netherlands.
| | - Emanuela Palmerini
- Medical Oncology, Musculoskeletal Oncology Department, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Floortje G M Verspoor
- Orthopaedic Surgery, Radboud University Nijmegen Medical Center, Nijmegen, Netherlands
| | - Anja J Rueten-Budde
- Mathematical Institute, Leiden University Medical Center, Leiden, Netherlands
| | - Silvia Stacchiotti
- Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Eric L Staals
- Orthopaedic Surgery, Musculoskeletal Oncology Department, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Gerard R Schaap
- Orthopaedic Surgery, Academic Medical Center, Amsterdam, Netherlands
| | - Paul C Jutte
- Department of Orthopaedics, University Medical Center, University of Groningen, Groningen, Netherlands
| | - Will Aston
- Orthopedic Surgery, Royal National Orthopedic Hospital, London, UK
| | - Hans Gelderblom
- Medical Oncology, Leiden University Medical Center, Leiden, Netherlands
| | - Andreas Leithner
- Department of Orthopaedic Surgery, Medical University Graz, Graz, Austria
| | - Dietmar Dammerer
- Orthopedic Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Akihiko Takeuchi
- Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Quirina Thio
- Orthopedic Surgery, Massachusetts General Hospital Harvard, Boston, MA, USA
| | - Xiaohui Niu
- Department of Orthopedic Oncology, Beijing Jishuitan Hospital, Beijing, China
| | - Jay S Wunder
- University Musculoskeletal Oncology Unit, Mount Sinai Hospital, Toronto, ON, Canada
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Löwik CAM, Zijlstra WP, Knobben BAS, Ploegmakers JJW, Dijkstra B, de Vries AJ, Kampinga GA, Mithoe G, Al Moujahid A, Jutte PC, Wouthuyzen-Bakker M. Obese patients have higher rates of polymicrobial and Gram-negative early periprosthetic joint infections of the hip than non-obese patients. PLoS One 2019; 14:e0215035. [PMID: 30958847 PMCID: PMC6453483 DOI: 10.1371/journal.pone.0215035] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 03/25/2019] [Indexed: 02/02/2023] Open
Abstract
Background Obese patients are more likely to develop periprosthetic joint infection (PJI) after primary total joint arthroplasty. This study compared the clinical and microbiological characteristics of non-obese, obese and severely obese patients with early PJI, in order to ultimately optimize antibiotic prophylaxis and other prevention measures for this specific patient category. Methods We retrospectively evaluated patients with early PJI of the hip and knee treated with debridement, antibiotics and implant retention (DAIR) between 2006 and 2016 in three Dutch hospitals. Only patients with primary arthroplasties indicated for osteoarthritis were included. Early PJI was defined as an infection that developed within 90 days after index surgery. Obesity was defined as a BMI ≥30kg/m2 and severe obesity as a BMI ≥35kg/m2. Results A total of 237 patients were analyzed, including 64 obese patients (27.0%) and 62 severely obese patients (26.2%). Compared with non-obese patients, obese patients had higher rates of polymicrobial infections (60.3% vs 33.3%, p<0.001) with more often involvement of Enterococcus species (27.0% vs 11.7%, p = 0.003). Moreover, severely obese patients had more Gram-negative infections, especially with Proteus species (12.9% vs 2.3%, p = 0.001). These results were only found in periprosthetic hip infections, comprising Gram-negative PJIs in 34.2% of severely obese patients compared with 24.7% in obese patients and 12.7% in non-obese patients (p = 0.018). Conclusions Our results demonstrate that obese patients with early periprosthetic hip infections have higher rates of polymicrobial infections with enterococci and Gram-negative rods, which stresses the importance of improving preventive strategies in this specific patient category, by adjusting antibiotic prophylaxis regimens, improving disinfection strategies and optimizing postoperative wound care.
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Affiliation(s)
- Claudia A. M. Löwik
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- * E-mail:
| | - Wierd P. Zijlstra
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - Bas A. S. Knobben
- Department of Orthopaedic Surgery, Martini Hospital, Groningen, The Netherlands
| | - Joris J. W. Ploegmakers
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Baukje Dijkstra
- Department of Orthopaedic Surgery, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - Astrid J. de Vries
- Department of Orthopaedic Surgery, Martini Hospital, Groningen, The Netherlands
| | - Greetje A. Kampinga
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Glen Mithoe
- Department of Medical Microbiology, Certe Medical Diagnostics and Advice, Groningen, the Netherlands
| | - Aziz Al Moujahid
- Center for Infectious Diseases Friesland, Izore, Leeuwarden, the Netherlands
| | - Paul C. Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Abstract
BACKGROUND Grade I or low-grade chondrosarcoma (LGCS) is a primary bone tumour with low malignant potential. Historically, it was treated by wide resection, since accurate pre-operative exclusion of more aggressive cancers can be challenging and under-treatment of a more aggressive cancer could negatively influence oncological outcomes. Intralesional surgery for LGCS has been advocated more often in the literature over the past few years. The potential advantages of less aggressive treatment are better functional outcome and lower complication rates although these need to be weighed against the potential for compromising survival outcomes. OBJECTIVES To assess the benefits and harms of intralesional treatment by curettage compared to wide resection for central low-grade chondrosarcoma (LGCS) of the long bones. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL; 2018, Issue 4), MEDLINE and Embase up to April 2018. We extended the search to include trials registries, reference lists of relevant articles and review articles. We also searched 'related articles' of included studies suggested by PubMed. SELECTION CRITERIA In the absence of prospective randomised controlled trials (RCTs), we included retrospective comparative studies and case series that evaluated outcome of treatment of central LGCS of the long bones. The primary outcome was recurrence-free survival after a minimal follow-up of 24 months. Secondary outcomes were upgrading of tumour; functional outcome, as assessed by the Musculoskeletal Tumor Society (MSTS) score; and occurrence of complications. DATA COLLECTION AND ANALYSIS We used standard methodological procedures recognised by Cochrane. We conducted a systematic literature search using several databases and contacted corresponding authors, appraised the evidence using the ROBINS-I risk of bias tool and GRADE, and performed a meta-analysis. If data extraction was not possible, we included studies in a narrative summary. MAIN RESULTS We included 18 studies, although we were only able to extract participant data from 14 studies that included a total of 511 participants; 419 participants were managed by intralesional treatment and 92 underwent a wide resection. We were not able to extract participant data from four studies, including 270 participants, and so we included them as a narrative summary only. The evidence was at high risk of performance, detection and reporting bias.Meta-analysis of data from 238 participants across seven studies demonstrated little or no difference in recurrence-free survival after intralesional treatment versus wide resection for central LGCS in the long bones (risk ratio (RR) 0.98; 95% confidence interval (CI) 0.92 to 1.04; very low-certainty evidence). MSTS scores were probably better after intralesional surgery (mean score 93%) versus resection (mean score 78%) with a mean difference of 12.69 (95% CI 2.82 to 22.55; P value < 0.001; 3 studies; 72 participants; low-certainty evidence). Major complications across six studies (203 participants) were lower in cases treated by intralesional treatment (5/125 cases) compared to those treated by wide resection (18/78 cases), with RR 0.23 (95% CI 0.10 to 0.55; low-certainty evidence). In four people (0.5% of total participants) a high-grade (grade 2 or dedifferentiated) tumour was found after a local recurrence. Two participants were treated with second surgery with no evidence of disease at their final follow-up and two participants (0.26% of total participants) died due to disease. Kaplan-Meier analysis of data from 115 individual participants across four studies demonstrated 96% recurrence-free survival after a maximum follow-up of 300 months after resection versus 94% recurrence-free survival after a maximum follow-up of 251 months after intralesional treatment (P value = 0.58; very low-certainty evidence). Local recurrence or metastases were not reported after 41 months in either treatment group. AUTHORS' CONCLUSIONS Only evidence of low- and very low-certainty was available for this review according to the GRADE system. Included studies were all retrospective in nature and at high risk of selection and attrition bias. Therefore, we could not determine whether wide resection is superior to intralesional treatment in terms of event-free survival and recurrence rates. However, functional outcome and complication rates are probably better after intralesional surgery compared to wide resection, although this is low-certainty evidence, considering the large effect size. Nevertheless, recurrence-free survival was excellent in both groups and a prospective RCT comparing intralesional treatment versus wide resection may be challenging for both practical and ethical reasons. Future research could instead focus on less invasive treatment strategies for these tumours by identifying predictors that help to stratify participants for surgical intervention or close observation.
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Affiliation(s)
- Edwin F Dierselhuis
- University Medical Center GroningenDepartment of Orthopaedic SurgeryHanzeplein 1GroningenNetherlands9700
| | - Krista A Goulding
- Mayo Clinic‐ ArizonaDepartment of Orthopaedics5777 East Mayo BlvdPhœnixArizoniaUSA85054
| | - Martin Stevens
- University Medical Center GroningenDepartment of Orthopaedic SurgeryHanzeplein 1GroningenNetherlands9700
| | - Paul C Jutte
- University Medical Center GroningenDepartment of Orthopaedic SurgeryHanzeplein 1GroningenNetherlands9700
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Geertzen JHB, van der Schans SM, Jutte PC, Kraeima J, Otten E, Dekker R. Myodesis or myoplasty in trans-femoral amputations. What is the best option? An explorative study. Med Hypotheses 2019; 124:7-12. [PMID: 30798921 DOI: 10.1016/j.mehy.2019.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 12/14/2018] [Accepted: 01/10/2019] [Indexed: 11/30/2022]
Affiliation(s)
- Jan H B Geertzen
- University of Groningen, University Medical Centre Groningen, Department of Rehabilitation Medicine, Groningen, the Netherlands.
| | - Sanne M van der Schans
- University of Groningen, University Medical Centre Groningen, Centre for Human Movement Sciences, Groningen, the Netherlands
| | - Paul C Jutte
- University of Groningen, University Medical Centre Groningen, Department of Orthopedics, Groningen, the Netherlands.
| | - Joep Kraeima
- University of Groningen, University Medical Center Groningen, Department of Oral and Maxillofacial Surgery, Groningen, the Netherlands.
| | - Egbert Otten
- University of Groningen, University Medical Centre Groningen, Department of Rehabilitation Medicine, Groningen, the Netherlands.
| | - Rienk Dekker
- University of Groningen, University Medical Centre Groningen, Department of Rehabilitation Medicine, Groningen, the Netherlands.
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Signore A, Sconfienza LM, Borens O, Glaudemans AWJM, Cassar-Pullicino VN, Trampuz A, Winkler H, Gheysens O, Vanhoenacker FMHM, Petrosillo N, Jutte PC. Correction to: Consensus document for the diagnosis of prosthetic joint infections: a joint paper by the EANM, EBJIS, and ESR (with ESCMID endorsement). Eur J Nucl Med Mol Imaging 2019; 46:1203. [PMID: 30737519 DOI: 10.1007/s00259-019-04281-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The authors regret to inform the readers that one of the author's name in the original publication of this article was spelled incorrectly as Victor Casar-Pullicino. The correct spelling is Victor N. Cassar-Pullicino and is now presented correctly in this article.
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Affiliation(s)
- Alberto Signore
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, Faculty of Medicine and Psychology, "Sapienza" University of Rome, Rome, Italy. .,Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
| | - Luca Maria Sconfienza
- Unit of Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.,Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
| | - Olivier Borens
- Division of Orthopaedic Surgery and Traumatology, Lausanne University Hospital, Lausanne, Switzerland
| | - Andor W J M Glaudemans
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Victor N Cassar-Pullicino
- Department of Diagnostic Imaging, The Robert Jones and Agnes Hunt Orthopaedic and District Hospital - Oswestry, Shropshire, UK
| | - Andrej Trampuz
- Department of Internal Medicine, University Hospital "Charitè", Berlin, Germany
| | - Heinz Winkler
- Osteitis-Centre, Privatklinik Döbling, Vienna, Austria
| | - Olivier Gheysens
- Department of Nuclear Medicine, University Hospital Leuven, Leuven, Belgium
| | - Filip M H M Vanhoenacker
- Department of Radiology, University Hospital Antwerp, AZ Sint-Maarten Duffel-Mechelen, and University of Ghent, Edegem, Belgium
| | - Nicola Petrosillo
- Division of Infective Diseases, National Institute for Infective Diseases "L. Spallanzani", Rome, Italy
| | - Paul C Jutte
- Department of Orthopaedic Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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