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Mokoala KMG, Ndlovu H, Lawal I, Sathekge MM. PET/CT and SPECT/CT for Infection in Joints and Bones: An Overview and Future Directions. Semin Nucl Med 2024; 54:394-408. [PMID: 38016897 DOI: 10.1053/j.semnuclmed.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 10/30/2023] [Indexed: 11/30/2023]
Abstract
Infections of the bones and joints, if misdiagnosed, may result in serious morbidity and even mortality. A prompt diagnosis followed by appropriate management may reduce the socioeconomic impact of bone and joint infections. Morphologic imaging such as ultrasound and plain radiographs form the first line investigations, however, in early infections findings may be negative or nonspecific. Nuclear medicine imaging techniques play a complementary role to morphologic imaging in the diagnosis of bone and joint infections. The availability of hybrid systems (SPECT/CT, SPECT/MRI, PET/CT or PET/MRI) offers improved specificity with ability to assess the extent of infection. Bone scans are useful as a gatekeeper wherein negative scans rule out sepsis with a good accuracy, however positive scans are nondiagnostic and more specific tracers should be considered. These include the use of labeled white blood cells and antigranulocyte antibodies. Various qualitative and quantitative interpretation criteria have been suggested to improve the specificity of the scans. PET has better image resolution and 18F-FDG is the major tracer for PET imaging with applications in oncology and inflammatory/infective disorders. It has demonstrated improved sensitivity over the SPECT based tracers, however, still suffers from lack of specificity. 18F-FDG PET has been used to monitor therapy in bone and joint infections. Other less studied, noncommercialized SPECT and PET tracers such as 111In-Biotin, 99mTc-Ubiquicidin, 18F-Na-Fluoride, 18F-labeled white blood cells and 124I-Fialuridine to name a few have shown great promise, however, their role in various bone and joint infections has not been established. Hybrid imaging with PET or PET/MRI offers huge potential for improving diagnostics in infections of the joints and bones.
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Affiliation(s)
- Kgomotso M G Mokoala
- University of Pretoria, Pretoria, Gauteng, South Africa; Nuclear Medicine Research Infrastructure (NuMeRI), Pretoria, Gauteng, South Africa
| | - Honest Ndlovu
- Nuclear Medicine Research Infrastructure (NuMeRI), Pretoria, Gauteng, South Africa
| | - Ismaheel Lawal
- University of Pretoria, Pretoria, Gauteng, South Africa; Emory University, Atlanta, Georgia, United States
| | - Mike Machaba Sathekge
- University of Pretoria, Pretoria, Gauteng, South Africa; Nuclear Medicine Research Infrastructure (NuMeRI), Pretoria, Gauteng, South Africa.
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Sax FH, Hoyka M, Blersch BP, Fink B. Diagnostics in Late Periprosthetic Infections-Challenges and Solutions. Antibiotics (Basel) 2024; 13:351. [PMID: 38667027 PMCID: PMC11047502 DOI: 10.3390/antibiotics13040351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/02/2024] [Accepted: 04/02/2024] [Indexed: 04/29/2024] Open
Abstract
The rising number of arthroplasties is combined with a rising number of periprosthetic joint infections, which leads to life-concerning consequences for the patients, including extended antibiotic treatment, further surgery and increased mortality. The heterogeneity of the symptoms and inflammatory response of the patients due to, e.g., age and comorbidities and the absence of a single diagnostic test with 100% accuracy make it very challenging to choose the right parameters to confirm or deny a periprosthetic joint infection and to establish a standardized definition. In recent years, additional diagnostic possibilities have emerged primarily through the increasing availability of new diagnostic methods, such as genetic techniques. The aim of the review is to provide an overview of the current state of knowledge about the various tests, including the latest developments. The combination of different tests increases the accuracy of the diagnosis. Each physician or clinical department must select the tests from the available methods that can be best implemented for them in organizational and technical terms. Serological parameters and the cultivation of the samples from aspiration or biopsy should be combined with additional synovial tests to create an accurate figure for the failure of the prosthesis, while imaging procedures are used to obtain additional information for the planned therapeutic procedure.
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Affiliation(s)
- Florian Hubert Sax
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
| | - Marius Hoyka
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
| | - Benedikt Paul Blersch
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
| | - Bernd Fink
- Department of Joint Replacement, General and Rheumatic Orthopaedics, Orthopaedic Clinic Markgröningen gGmbH, Kurt-Lindemann-Weg 10, 71706 Markgröningen, Germany; (F.H.S.); (M.H.); (B.P.B.)
- Orthopaedic Department, University Hospital Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
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Valero-Martínez C, Castillo-Morales V, Gómez-León N, Hernández-Pérez I, Vicente-Rabaneda EF, Uriarte M, Castañeda S. Application of Nuclear Medicine Techniques in Musculoskeletal Infection: Current Trends and Future Prospects. J Clin Med 2024; 13:1058. [PMID: 38398371 PMCID: PMC10889833 DOI: 10.3390/jcm13041058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/05/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
Nuclear medicine has become an indispensable discipline in the diagnosis and management of musculoskeletal infections. Radionuclide tests serve as a valuable diagnostic tool for patients suspected of having osteomyelitis, spondylodiscitis, or prosthetic joint infections. The choice of the most suitable imaging modality depends on various factors, including the affected area, potential extra osseous involvement, or the impact of previous bone/joint conditions. This review provides an update on the use of conventional radionuclide imaging tests and recent advancements in fusion imaging scans for the differential diagnosis of musculoskeletal infections. Furthermore, it examines the role of radionuclide scans in monitoring treatment responses and explores current trends in their application. We anticipate that this update will be of significant interest to internists, rheumatologists, radiologists, orthopedic surgeons, rehabilitation physicians, and other specialists involved in musculoskeletal pathology.
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Affiliation(s)
- Cristina Valero-Martínez
- Rheumatology Service, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain; (C.V.-M.); (E.F.V.-R.); (M.U.)
| | - Valentina Castillo-Morales
- Nuclear Medicine Service, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain; (V.C.-M.); (I.H.-P.)
| | - Nieves Gómez-León
- Radiology Service, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain;
| | - Isabel Hernández-Pérez
- Nuclear Medicine Service, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain; (V.C.-M.); (I.H.-P.)
| | - Esther F. Vicente-Rabaneda
- Rheumatology Service, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain; (C.V.-M.); (E.F.V.-R.); (M.U.)
| | - Miren Uriarte
- Rheumatology Service, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain; (C.V.-M.); (E.F.V.-R.); (M.U.)
| | - Santos Castañeda
- Rheumatology Service, Hospital Universitario de La Princesa, IIS-Princesa, 28006 Madrid, Spain; (C.V.-M.); (E.F.V.-R.); (M.U.)
- Cathedra UAM-Roche, EPID-Future, Department of Medicine, Universidad Autónoma de Madrid (UAM), 28006 Madrid, Spain
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Nie L, Sun Z, Shan F, Li C, Ding X, Shen C. An artificial intelligence framework for the diagnosis of prosthetic joint infection based on 99mTc-MDP dynamic bone scintigraphy. Eur Radiol 2023; 33:6794-6803. [PMID: 37115217 DOI: 10.1007/s00330-023-09687-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 01/30/2023] [Accepted: 02/26/2023] [Indexed: 04/29/2023]
Abstract
OBJECTIVES Dynamic bone scintigraphy (DBS) is the first widely reliable and simple imaging modality in nuclear medicine that can be used to diagnose prosthetic joint infection (PJI). We aimed to apply artificial intelligence to diagnose PJI in patients after total hip or knee arthroplasty (THA or TKA) based on 99mTc-methylene diphosphonate (99mTc-MDP) DBS. METHODS A total of 449 patients (255 THAs and 194 TKAs) with a final diagnosis were retrospectively enrolled and analyzed. The dataset was divided into a training and validation set and an independent test set. A customized framework composed of two data preprocessing algorithms and a diagnosis model (dynamic bone scintigraphy effective neural network, DBS-eNet) was compared with mainstream modified classification models and experienced nuclear medicine specialists on corresponding datasets. RESULTS In the fivefold cross-validation test, diagnostic accuracies of 86.48% for prosthetic knee infection (PKI) and 86.33% for prosthetic hip infection (PHI) were obtained using the proposed framework. On the independent test set, the diagnostic accuracies and AUC values were 87.74% and 0.957 for PKI and 86.36% and 0.906 for PHI, respectively. The customized framework demonstrated better overall diagnostic performance compared to other classification models and showed superiority in diagnosing PKI and consistency in diagnosing PHI compared to specialists. CONCLUSION The customized framework can be used to effectively and accurately diagnose PJI based on 99mTc-MDP DBS. The excellent diagnostic performance of this method indicates its potential clinical practical value in the future. KEY POINTS • The proposed framework in the current study achieved high diagnostic performance for prosthetic knee infection (PKI) and prosthetic hip infection (PHI) with AUC values of 0.957 and 0.906, respectively. • The customized framework demonstrated better overall diagnostic performance compared to other classification models. • Compared to experienced nuclear medicine physicians, the customized framework showed superiority in diagnosing PKI and consistency in diagnosing PHI.
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Affiliation(s)
- Liangbing Nie
- School of Computer Engineering and Science, Shanghai University, Shanghai, 200444, China
| | - Zhenkui Sun
- Department of Nuclear Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Bone Nonunion & Bone Infection MDT, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Fengling Shan
- Department of Nuclear Medicine, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China
| | - Chengfan Li
- School of Computer Engineering and Science, Shanghai University, Shanghai, 200444, China
| | - Xuehai Ding
- School of Computer Engineering and Science, Shanghai University, Shanghai, 200444, China
| | - Chentian Shen
- Department of Nuclear Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
- Bone Nonunion & Bone Infection MDT, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
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Hua H, Liu J. Diagnostic accuracy of positron emission tomography/computerized tomography for periprosthetic joint infection of hip: systematic review and meta-analysis. J Orthop Surg Res 2023; 18:640. [PMID: 37644493 PMCID: PMC10466775 DOI: 10.1186/s13018-023-04061-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 07/31/2023] [Indexed: 08/31/2023] Open
Abstract
BACKGROUND American Academy of Orthopaedic Surgeons (AAOS) has provided the guidelines for diagnosing a patient with periprosthetic joint infection including the use of positron emission tomography/computed tomography (PET/CT). Systematic evidence focussing on periprosthetic joint infection (PJI) of hip is limited, which also contains limited number of studies. Hence, the current study aims to perform a pooled analysis of all studies that have assessed the diagnostic accuracy of PET/CT for PJI of hip. METHODS Searches were done in PubMed Central, EMBASE, MEDLINE, SCOPUS and Cochrane library until December 2022. Meta-analysis was carried out using random-effects model. With 95% confidence intervals (CIs), pooled sensitivity and specificity were reported. RESULTS Twenty-six studies met the inclusion criteria. The pooled sensitivity of PET/CT was 89% (95% CI 84-93%), while the pooled specificity was 86% (95% CI 79-91%). The AUROC was 0.94 (95% CI 0.72-0.99). There was statistically significant heterogeneity (p < 0.001) with I2 value of 96%. The diagnostic odds ratio was 52 (95% CI 26-106). Likelihood ratio positive was 6.5 (95% CI 4.1-10.3) and negative was 0.13 (95% CI 0.08-0.19). CONCLUSION Our study found that PET/CT was found to have higher level of accuracy in terms of sensitivity and specificity. Further large-scale research can help to find answers for such questions and provide final conclusive evidence on the inclusion of the imaging modality into the routine clinical practice guidelines for suspected periprosthetic joint infection patients.
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Affiliation(s)
- Hongning Hua
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, 030032, China
| | - Jinwen Liu
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Palestro CJ. Molecular Imaging of Periprosthetic Joint Infections. Semin Nucl Med 2023; 53:167-174. [PMID: 36496268 DOI: 10.1053/j.semnuclmed.2022.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022]
Abstract
Infection is an infrequent complication of lower extremity prosthetic joint surgery. Approximately one third develop within 3 months (early), another third within 1 year (delayed), and the remainder more than 1 year (late) after surgery. The diagnosis of periprosthetic joint infection is not always straightforward. Pain, the most common symptom, is present in 90%-100% of patients. The presence of fever is more variable, ranging from less than 5% to more than 40% of patients with infection. Erythema and joint swelling are often present in acute infections, but are less common in chronic infections. Erythrocyte sedimentation rate, C-reactive protein and interleukin-6 levels are useful "rule out" tests, while peripheral blood leukocyte count and serum tumor necrosis factor α are not helpful. The diagnosis of periprosthetic joint infection often requires a combination of blood, synovial fluid, and tissue sample tests, as well as imaging. Plain radiographs lack sensitivity and specificity. Molecular imaging is useful for evaluating painful joint replacements. Bone scintigraphy is most useful as a screening test. If it is negative then infection and aseptic loosening are unlikely. Combined labeled leukocyte/bone marrow imaging is a very specific test for diagnosing lower extremity joint arthroplasty infection; sensitivity is more variable. Despite more than two decades of investigation, there still is no consensus on the value of 18F-FDG for diagnosing periprosthetic joint infection. Differing test probabilities, an inability to discriminate between infection and inflammation secondary to physiologic reactions, and lack of standardized interpretative criteria are obstacles to incorporating 18F-FDG into the routine diagnostic imaging workup of periprosthetic joint infection. Preliminary results for gallium-68 citrate, fluorine-18, and technetium-99m labeled antimicrobial fragments are encouraging but no large scale trials with these agents have been conducted. Limited data suggest that labeled leukocyte/bone marrow SPECT/CT and 18F-FDG-PET/CT are specific but not sensitive for diagnosing periprosthetic infection of shoulder arthroplasties. There are minimal data on molecular imaging for monitoring treatment response in periprosthetic infections.
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Wang Y, Yuan L, Du Y, Liu H, Li Q, Chang Y, Shi Y, Wang Y, Meng X, Zhou Y, Yao S, Tian J. Performance characteristics of 18F-fluorodeoxyglucose in non-infected hip replacement. Front Med (Lausanne) 2023; 9:1043812. [PMID: 36698792 PMCID: PMC9870722 DOI: 10.3389/fmed.2022.1043812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 12/13/2022] [Indexed: 01/07/2023] Open
Abstract
Purpose The aim of this study was to retrospectively analyze 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/ computed tomography (CT) images of non-infected hip arthroplasty patients and summarize findings that may be useful for clinical practice. Methods 18F-FDG PET/CT images of non-infected hip arthroplasty patients were collected from September 2009 to August 2021. The region of interest was independently delineated by two physicians and maximum standardized uptake values (SUVmax) were recorded and compared. Serologic data were also collected and the correlation between SUVmax and serologic parameters was analyzed, while the images were classified based on the 18F-FDG uptake pattern in the images using the diagnostic criteria proposed by Reinartz et al. (9). The interval between hip replacement and PET/CT was classified by year and the characteristics of the two groups were compared. The images of patients who underwent PET/CT multiple times were analyzed dynamically. Results A total of 121 examinations were included; six patients underwent PET/CT twice and two patients had three scans. There were no significant correlations between SUVmax and serologic results. The interobserver agreement between the two physicians in the classification according to the criteria of Reinartz et al. (9) was 0.957 (P < 0.005). Although there was non-specific uptake in cases with an arthroplasty-to-PET/CT interval this was non-significant. Additionally, 18F-FDG showed potential utility for dynamic observation of the condition of the hip. Conclusion SUVmax provided information independent of serologic results, meanwhile 18F-FDG showed potential applicability to the dynamic monitoring of hip arthroplasty-related diseases. However, the presence of blood vessels and muscles affected image interpretation and the specificity of 18F-FDG was not optimal. A more specific radionuclide is needed to maximize the benefits of using PET/CT for the assessment of periprosthetic joint infection (PJI).
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Affiliation(s)
- Yiqun Wang
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China,Beijing Key Laboratory of Sports Injuries, Department of Sports Medicine, Institute of Sports Medicine of Peking University, Peking University Third Hospital, Beijing, China
| | - Lulu Yuan
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - Yinqiao Du
- Department of Orthopedics Surgery, The First Medical Center, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China,Department of Orthopedics Surgery, The Fourth Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - Honghong Liu
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - Qingxiao Li
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - Yan Chang
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China,Yan Chang,
| | - Yuanyuan Shi
- Beijing Key Laboratory of Sports Injuries, Department of Sports Medicine, Institute of Sports Medicine of Peking University, Peking University Third Hospital, Beijing, China
| | - Yanmei Wang
- General Electric (GE) Healthcare China, Shanghai, China
| | - Xiaolin Meng
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China
| | - Yonggang Zhou
- Department of Orthopedics Surgery, The First Medical Center, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China,Department of Orthopedics Surgery, The Fourth Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China,*Correspondence: Yonggang Zhou,
| | - Shulin Yao
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China,Shulin Yao,
| | - Jiahe Tian
- Department of Nuclear Medicine, The First Medical Centre, Chinese People’s Liberation Army (PLA) General Hospital, Beijing, China,Jiahe Tian,
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Abstract
Sarcoidosis is a granulomatous disease with the potential of multiple organ system involvement and its etiology remains unknown. Cardiac involvement is associated with worse clinical outcome, and has been reported to be 20-30% in white and as high as 58% in Japanese populations with sarcoidosis. Clinical manifestations of cardiac sarcoidosis highly depend on the extent and location of granulomatous inflammation. The most frequent presentations include heart block, tachyarrhythmia, or heart failure. Endomyocardial biopsy is the most specific diagnostic test, but has poor sensitivity due to often patchy involvement. The diagnosis of cardiac sarcoidosis remains challenging due to nonspecific imaging findings. Both 18 F-fluorodeoxyglucose-positron emission tomography (FDG-PET) and cardiac magnetic resonance imaging can be used to evaluate cardiac sarcoidosis, but evaluate different stages of the disease process. FDG-PET detects metabolically active inflammatory cells while cardiac magnetic resonance imaging with late gadolinium enhancement reveals areas of myocardial necrosis and fibrosis. Aggressive therapy of symptomatic cardiac sarcoidosis is often sought due to the high risk of sudden death and/or progression to heart failure. Prednisone 20-40 mg a day is the recommended initial treatment. In refractory or severe cases, higher doses of prednisone, 1-1.5 mg/kg/d (or its equivalent) and addition of a steroid-sparing agent have been utilized. Methotrexate is added most commonly. Long-term improvement has been reported with the use of a combination of weekly methotrexate and prednisone versus prednisone alone. After initiation of treatment, a cardiac FDG-PET scan may be performed 2-3 months later to assess treatment response.
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Affiliation(s)
- Chengyue Jin
- From the Department of Medicine, Westchester Medical Center, Valhalla, NY
| | - Liliya Gandrabur
- Division of Rheumatology, Department of Medicine, Westchester Medical Center, Valhalla, NY
| | - Woo Young Kim
- From the Department of Medicine, Westchester Medical Center, Valhalla, NY
| | - Stephen Pan
- Department of Medicine and Cardiology, Westchester Medical Center, Valhalla, NY
| | - Julia Y Ash
- Division of Rheumatology, Department of Medicine, Westchester Medical Center, Valhalla, NY
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PET-Computed Tomography in Bone and Joint Infections. PET Clin 2023; 18:49-69. [DOI: 10.1016/j.cpet.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Boero M, Allocca M, Pisu N, Sanna S, Ruggiero A, Pung BLJ, Margotti S, Dessì G. Management of periprosthetic knee joint infections: focus on the role of Nuclear Medicine (v2). Orthop Rev (Pavia) 2022; 14:39646. [PMID: 36381502 PMCID: PMC9662607 DOI: 10.52965/001c.39646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2023] Open
Abstract
BACKGROUND When faced with a painful knee replacement, ruling out infection is mandatory to set the correct therapeutic approach. However, it is not always easy, especially in subclinical/chronic infections. A multidisciplinary approach is necessary to assess in the most correct way each case of suspected periprosthetic knee joint infection. This review explores the role of nuclear medicine investigations in the management of periprosthetic knee infections and their proper use within a multidisciplinary pathway. METHODS A PubMed search was conducted selecting studies from the past 10 years. RESULTS Triphasic bone scintigraphy has high sensitivity (93%) but poor specificity (56%) for periprosthetic joint infections of the knee, with a high negative predictive value (NPV), ranging from 96% to 100%. Consequently, a negative bone scan is useful in ruling out infection. In contrast, radiolabeled leukocyte scintigraphy is characterized by a sensitivity of 85.7-93%, specificity of 93.6-100%, diagnostic accuracy of 92.6-98%, NPV of 93-97.8%, and positive predictive value (PPV) of 66.7-100%. By adding a tomographic acquisition with hybrid single-photon emission computed tomography combined with computed tomography technique (SPECT/CT), the diagnostic accuracy increases. Because 18F-fluorodeoxyglucose (FDG) accumulates at both sites of inflammation and infection, FDG positron emission tomography (PET/CT) shows low specificity. CONCLUSIONS A common decision-making process in the diagnosis of periprosthetic joint infection is not yet validated and multidisciplinary integration is mandatory. In this context, nuclear medicine can contribute decisively.
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Affiliation(s)
| | | | - Nicola Pisu
- Nuclear Medicine, Brotzu Hospital, Cagliari (Italy)
| | - Silvia Sanna
- Nuclear Medicine, Brotzu Hospital, Cagliari (Italy)
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Pierce JL, Perry MT, Wessell DE, Lenchik L, Ahlawat S, Baker JC, Banks J, Caracciolo JT, DeGeorge KC, Demertzis JL, Garner HW, Scott JA, Sharma A, Beaman FD. ACR Appropriateness Criteria® Suspected Osteomyelitis, Septic Arthritis, or Soft Tissue Infection (Excluding Spine and Diabetic Foot): 2022 Update. J Am Coll Radiol 2022; 19:S473-S487. [PMID: 36436971 DOI: 10.1016/j.jacr.2022.09.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 11/27/2022]
Abstract
Musculoskeletal infections involve bones, joints, and soft tissues. These infections are a common clinical scenario in both outpatient and emergent settings. Although radiography provides baseline findings, a multimodality approach is often implemented to provide more detailed information on the extent of infection involvement and complications. MRI with intravenous contrast is excellent for the evaluation of musculoskeletal infections and is the most sensitive for diagnosing osteomyelitis. MRI, CT, and ultrasound can be useful for joint and soft tissue infections. When MRI or CT is contraindicated, bone scans and the appropriate utilization of other nuclear medicine scans can be implemented for aiding in the diagnostic imaging of infection, especially with metal hardware and arthroplasty artifacts on MRI and CT. The ACR Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision process support the systematic analysis of the medical literature from peer-reviewed journals. Established methodology principles such as Grading of Recommendations Assessment, Development, and Evaluation or GRADE are adapted to evaluate the evidence. The RAND/UCLA Appropriateness Method User Manual provides the methodology to determine the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances in which peer-reviewed literature is lacking or equivocal, experts may be the primary evidentiary source available to formulate a recommendation.
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Affiliation(s)
- Jennifer L Pierce
- University of Virginia, Charlottesville, Virginia; Associate Division Chair, Musculoskeletal Radiology, University of Virginia; Radiology Residency Global Health Leadership Track Program Director, University of Virginia.
| | - Michael T Perry
- Research Author, University of Virginia Health Center, Charlottesville, Virginia
| | | | - Leon Lenchik
- Panel Vice-Chair, Wake Forest University School of Medicine, Winston Salem, North Carolina
| | - Shivani Ahlawat
- The Johns Hopkins University School of Medicine, Baltimore, Maryland; member
| | - Jonathan C Baker
- Mallinckrodt Institute of Radiology Washington University School of Medicine, Saint Louis, Missouri; MSK Imaging and Interventions Fellowship Director, Mallinckrodt Institute of Radiology
| | - James Banks
- Aventura Hospital, Aventura, Florida; Student Radiology Rotation Clerkship Director for HCA Florida Aventura and Kendall Hospitals; Nova Southeastern University, Fort Lauderdale, Florida
| | - Jamie T Caracciolo
- Moffitt Cancer Center and University of South Florida Morsani College of Medicine, Tampa, Florida; MSK-RADS (Bone) Committee; Section Head, MSK Imaging, Moffitt Cancer Center; Chairman, ACR MSK-RADS Committee
| | - Katharine C DeGeorge
- University of Virginia, Charlottesville, Virginia; Primary care physician; Deputy Editor, DynaMed; and Advisory Board, Flo Health Medical
| | - Jennifer L Demertzis
- Diagnostic Imaging Associates, Chesterfield, Missouri; Partner, ProSight Radiology
| | - Hillary W Garner
- Mayo Clinic Florida, Jacksonville, Florida; Committee Chair, Society of Skeletal Radiology and International Skeletal Society
| | - Jinel A Scott
- SUNY Downstate Health Sciences University, Brooklyn, New York; Chief Quality Officer
| | - Akash Sharma
- Mayo Clinic, Jacksonville, Florida; Commission on Nuclear Medicine and Molecular Imaging; Chair, Research Committee, Radiology, Mayo Clinic Florida; PET-MRI workgroup, Mayo Clinic Florida
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Bureau A, Bourget-Murray J, Azad MA, Abdelbary H, Grammatopoulos G, Garceau SP. Management of Periprosthetic Joint Infections After Hemiarthroplasty of the Hip: A Critical Analysis Review. JBJS Rev 2022; 10:01874474-202209000-00006. [PMID: 36155552 DOI: 10.2106/jbjs.rvw.22.00020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
➢ Periprosthetic joint infection (PJI) following hip hemiarthroplasty (HA) is a devastating complication, incurring immense health-care costs associated with its treatment and placing considerable burden on patients and their families. These patients often require multiple surgical procedures, extended hospitalization, and prolonged antimicrobial therapy. ➢ Notable risk factors include older age, higher American Society of Anesthesiologists (ASA) score, inadequate antibiotic prophylaxis, non-antibiotic-loaded cementation of the femoral implant, longer duration of the surgical procedure, and postoperative drainage and hematoma. ➢ Although the most frequent infecting organisms are gram-positive cocci such as Staphylococcus aureus, there is a higher proportion of patients with gram-negative and polymicrobial infections after hip HA compared with patients who underwent total hip arthroplasty. ➢ Several surgical strategies exist. Regardless of the preferred surgical treatment, successful management of these infections requires a comprehensive surgical debridement focused on eradicating the biofilm followed by appropriate antibiotic therapy. ➢ A multidisciplinary approach led by surgeons familiar with PJI treatment and infectious disease specialists is recommended for all cases of PJI after hip HA to increase the likelihood of treatment success.
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Affiliation(s)
- Antoine Bureau
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | | | - Marisa A Azad
- Division of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, Minnesota
| | - Hesham Abdelbary
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | | | - Simon P Garceau
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
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Rachh SS, Basu S, Alavi A. Fluorodeoxyglucose PET/Computed Tomography in Evaluation of Prosthetic Joints and Diabetic Foot: A Comparative Perspective with Other Functional Imaging Modalities. PET Clin 2022; 17:517-531. [PMID: 35717105 DOI: 10.1016/j.cpet.2022.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Infection imaging has been an important part of nuclear medicine practice. Infections in prosthetic joints and diabetic foot are associated with devastating complications, posing substantial challenge for both diagnosis and overall management. For many years, conventional nuclear medicine techniques have been used to frame a painful joint arthroplasty or diabetic foot infection. The various functional nuclear imaging modalities used include labeled leukocyte imaging, combined leukocyte-marrow scintigraphy, antigranulocyte antibody scintigraphy, 3-phase bone scintigraphy, and fluorodeoxyglucose PET/computed tomography, yet no single method has proved to be highly sensitive and specific and at the same time safe, simple, and time-effective.
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Affiliation(s)
- Swati Sodagar Rachh
- Department of Nuclear Medicie, Gujarat Cancer & Research Institute, Civil Hospital Campus, Asarwa, Ahmedabad 380016, India; Radiation Medicine Centre (B.A.R.C), Tata Memorial Centre Annexe, Parel, Mumbai, India
| | - Sandip Basu
- Radiation Medicine Centre (B.A.R.C), Tata Memorial Centre Annexe, Parel, Mumbai, India; Homi Bhabha National Institute, Mumbai, India.
| | - Abass Alavi
- Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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Evaluating physiological progression of chronic tibial osteomyelitis using infrared thermography. RESEARCH ON BIOMEDICAL ENGINEERING 2022. [PMCID: PMC9244558 DOI: 10.1007/s42600-022-00228-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Purpose Medical infrared thermography (IRT) was used as a complementary means for the clinical evaluation of musculoskeletal trauma and progression of chronic tibial osteomyelitis. Methods Twenty-two adult patients with a medical diagnosis of chronic tibial osteomyelitis were followed up by IRT performed along with standard radiography. Thermal data of the affected limb were compared with those of the healthy contralateral limb based on the thermal profile of the lower limbs as per the medical thermography guideline (32 °C). Data were acquired in the following regions of the lower limb: proximal tibia, diaphysis, and distal tibia, using a FLIR infrared camera, and data were processed using MATLAB®. Results For patients with active infections, an increase in the average temperature of the affected limb above + 1.0 °C was observed when compared with the temperature of the contralateral. The wound region of the patients showed an increased temperature (32.3 °C) compared with the temperature of the contralateral (31.4 °C). In contrast, in latent infections, the thermal differences were small, generally below 0.3 °C, and thus were within the threshold of normality. In contrast, in areas diagnosed with reduced blood supply, the affected limb showed an average temperature up to − 5.7 °C below normal. Additionally, the initial temperature range (26.5 to 34.5 °C) decreased during the treatment to 29.8 to 34.1 °C, indicating a convergence toward normality. Conclusion IRT has significant potential as a complementary imaging modality in the follow-up of patients with bone lesions with a diagnosis of osteomyelitis as it does not use ionizing radiation, thus allowing repetitive use as desired. Thermal images show important physiological information related to vascularization necessary for bone repair, as well as provide a good indication of the boundary of the infected area, adjacent to the trauma, which is useful for positioning the radiography equipment. However, it should be noted that IRT cannot replace other medical imaging techniques, as it provides information about the skin and cannot directly evaluate the interior of the body.
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15
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Zhang F, Shen C, Yu J, Chen X, Wang Q, Sun Z, Shen H. The Temporal Impact of Prosthesis Implantation and Semi-Quantitative Criteria on the Diagnostic Efficacy of Triple-Phase Bone Scanning for Periprosthetic Joint Infection. Orthop Surg 2022; 14:1438-1446. [PMID: 35698998 PMCID: PMC9251298 DOI: 10.1111/os.13278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 02/27/2022] [Accepted: 03/21/2022] [Indexed: 11/30/2022] Open
Abstract
Objective To evaluate the diagnostic efficacy of triple‐phase bone scanning and the temporal impact of prosthesis implantation on the diagnostic efficacy of triple‐phase bone scanning for periprosthetic joint infection (PJI). Methods Patients who were admitted to our hospital for joint pain and dysfunction after total joint arthroplasty between 2014 and 2020 were retrospectively included. Triple‐phase bone scanning was performed, and the blood pool images were evaluated to obtain the semi‐quantitative criteria. The patients were then grouped into six groups according to the time interval from index primary arthroplasty to triple‐phase bone scanning. We examined whether there were significant differences in sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy between the groups. Results Overall, 66 patients who underwent total hip arthroplasty (THA) and 74 patients who underwent total knee arthroplasty (TKA) were analyzed. No significant differences were observed between visual analysis and semi‐quantitative measurement in terms of sensitivity, specificity, PPV, NPV, and accuracy. For patients with a time interval from prosthesis implantation to bone scanning of >1 year, visual analysis had a higher PPV (100%) in patients who underwent THA and the use of semi‐quantitative criteria had a higher NPV (85.7%) in patients who underwent TKA. Conclusion The semi‐quantitative criteria showed no advantages in the diagnosis of PJI. In addition, triple‐phase bone scanning demonstrated good clinical diagnostic efficacy when the time interval from prosthesis implantation to bone scanning was >1 year.
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Affiliation(s)
- Feiyang Zhang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Chentian Shen
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jinlong Yu
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiaohua Chen
- Department of Infectious Disease, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Qiaojie Wang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zhenkui Sun
- Department of Nuclear Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Hao Shen
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Department of Orthopaedics, Jinjiang Municipal Hospital, Fujian, China
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16
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Xu T, Zeng Y, Yang X, Liu G, Lv T, Yang H, Jiang F, Chen Y. Application of 68Ga-citrate PET/CT for differentiating periprosthetic joint infection from aseptic loosening after joint replacement surgery. Bone Joint Res 2022; 11:398-408. [PMID: 35731211 PMCID: PMC9233412 DOI: 10.1302/2046-3758.116.bjr-2021-0464.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AIMS We aimed to evaluate the utility of 68Ga-citrate positron emission tomography (PET)/CT in the differentiation of periprosthetic joint infection (PJI) and aseptic loosening (AL), and compare it with 99mTc-methylene bisphosphonates (99mTc-MDP) bone scan. METHODS We studied 39 patients with suspected PJI or AL. These patients underwent 68Ga-citrate PET/CT, 99mTc-MDP three-phase bone scan and single-photon emission CT (SPECT)/CT. PET/CT was performed at ten minutes and 60 minutes after injection, respectively. Images were evaluated by three nuclear medicine doctors based on: 1) visual analysis of the three methods based on tracer uptake model, and PET images attenuation-corrected with CT and those not attenuation-corrected with CT were analyzed, respectively; and 2) semi-quantitative analysis of PET/CT: maximum standardized uptake value (SUVmax) of lesions, SUVmax of the lesion/SUVmean of the normal bone, and SUVmax of the lesion/SUVmean of the normal muscle. The final diagnosis was based on the clinical and intraoperative findings, and histopathological and microbiological examinations. RESULTS Overall, 23 and 16 patients were diagnosed with PJI and AL, respectively. The sensitivity and specificity of three-phase bone scan and SPECT/CT were 100% and 62.5%, 82.6%, and 100%, respectively. Attenuation correction (AC) at 60 minutes and non-AC at 60 minutes of PET/CT had the same highest sensitivity and specificity (91.3% and 100%), and AC at 60 minutes combined with SPECT/CT could improve the diagnostic efficiency (sensitivity = 95.7%). Diagnostic efficacy of the SUVmax was low (area under the curve (AUC) of ten minutes and 60 minutes was 0.814 and 0.806, respectively), and SUVmax of the lesion/SUVmean of the normal bone at 60 minutes was the best semi-quantitative parameter (AUC = 0.969). CONCLUSION 68Ga-citrate showed the potential to differentiate PJI from AL, and visual analysis based on uptake pattern of tracer was reliable. The visual analysis method of AC at 60 minutes, combined with 99mTc-MDP SPECT/CT, could improve the sensitivity from 91.3% to 95.7%. In addition, a major limitation of our study was that it had a limited sample size, and more detailed studies with a larger sample size are warranted. Cite this article: Bone Joint Res 2022;11(6):398-408.
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Affiliation(s)
- Tingting Xu
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Yalan Zeng
- Department of Orthopedics, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xiao Yang
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Guangfu Liu
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Taiyong Lv
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Hongbin Yang
- Department of Orthopedics, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Fei Jiang
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Yue Chen
- Department of Nuclear Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China.,Institute of Nuclear Medicine, Southwest Medical University, Luzhou, Sichuan, China
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Hu M, Chen G, Luo L, Shang L. A Systematic Review and Meta-Analysis on the Accuracy of Fluorodeoxyglucose Positron Emission Tomography/ Computerized Tomography for Diagnosing Periprosthetic Joint Infections. Front Surg 2022; 9:698781. [PMID: 35722526 PMCID: PMC9198456 DOI: 10.3389/fsurg.2022.698781] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 05/17/2022] [Indexed: 11/21/2022] Open
Abstract
Objective Fluorodeoxyglucose Positron emission tomography/computerized tomography (FDG PET/CT) has become popular for diagnosing periprosthetic joint infections (PJI). However, the diagnostic accuracy for this technique has varied from report to report. This meta-analysis was performed to assess the accuracy of FDG PET/CT for PJI diagnosis. Material and Methods We conducted a systematic search of online academic databases for all studies reporting the diagnostic accuracy of FDG PET/CT for PJI. Meta-analysis was performed using STATA software. Results 23 studies, containing data on 1,437 patients, met inclusion criteria. Pooled sensitivity and specificity of FDG PET/CT for diagnosing PJI were 85% (95% CI, 76%, 91%) and 86% (95% CI, 78%, 91%), respectively with an AUC of 0.92. LRP was 6.1 (95% CI, 3.8, 9.7) and LRN was 0.17 (0.11, 0.28), indicating that FDG PET/CT cannot be used for confirmation or exclusion of PJI. There was significant inter-study heterogeneity, but no significant publication bias was noted. Conclusions Our study found that FDG PET/CT has an important role as a diagnostic tool for PJI with high sensitivity and specificity. Further studies exploring its accuracy in different PJI locations remain necessary.
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18
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Aleksyniene R, Iyer V, Bertelsen HC, Nilsson MF, Khalid V, Schønheyder HC, Larsen LH, Nielsen PT, Kappel A, Thomsen TR, Lorenzen J, Ørsted I, Simonsen O, Jordal PL, Rasmussen S. The Role of Nuclear Medicine Imaging with 18F-FDG PET/CT, Combined 111In-WBC/99mTc-Nanocoll, and 99mTc-HDP SPECT/CT in the Evaluation of Patients with Chronic Problems after TKA or THA in a Prospective Study. Diagnostics (Basel) 2022; 12:diagnostics12030681. [PMID: 35328234 PMCID: PMC8947521 DOI: 10.3390/diagnostics12030681] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/04/2022] [Accepted: 03/07/2022] [Indexed: 02/07/2023] Open
Abstract
Background: The aim of this prospective study was to assess the diagnostic value of nuclear imaging with 18F-FDG PET/CT (FDG PET/CT), combined 111In-WBC/99mTc-Nanocoll, and 99mTc-HDP SPECT/CT (dual-isotope WBC/bone marrow scan) for patients with chronic problems related to knee or hip prostheses (TKA or THA) scheduled by a structured multidisciplinary algorithm. Materials and Methods: Fifty-five patients underwent imaging with 99mTc–HDP SPECT/CT (bone scan), dual-isotope WBC/bone marrow scan, and FDG PET/CT. The final diagnosis of prosthetic joint infection (PJI) and/or loosening was based on the intraoperative findings and microbiological culture results and the clinical follow-up. Results: The diagnostic performance of dual-isotope WBC/bone marrow SPECT/CT for PJI showed a sensitivity of 100% (CI 0.74–1.00), a specificity of 97% (CI 0.82–1.00), and an accuracy of 98% (CI 0.88–1.00); for PET/CT, the sensitivity, specificity, and accuracy were 100% (CI 0.74–1.00), 71% (CI 0.56–0.90), and 79% (CI 0.68–0.93), respectively. Conclusions: In a standardized prospectively scheduled patient group, the results showed highly specific performance of combined dual-isotope WBC/bone marrow SPECT/CT in confirming chronic PJI. FDG PET/CT has an appropriate accuracy, but the utility of its use in the clinical diagnostic algorithm of suspected PJI needs further evidence.
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Affiliation(s)
- Ramune Aleksyniene
- Department of Nuclear Medicine, Aalborg University Hospital, 9000 Aalborg, Denmark; (V.I.); (H.C.B.); (M.F.N.)
- Correspondence: ; Tel.: +45-41416038
| | - Victor Iyer
- Department of Nuclear Medicine, Aalborg University Hospital, 9000 Aalborg, Denmark; (V.I.); (H.C.B.); (M.F.N.)
- Department of Radiology and Molecular Medicine, University Hospital Uppsala, 75237 Uppsala, Sweden
| | - Henrik Christian Bertelsen
- Department of Nuclear Medicine, Aalborg University Hospital, 9000 Aalborg, Denmark; (V.I.); (H.C.B.); (M.F.N.)
| | - Majbritt Frost Nilsson
- Department of Nuclear Medicine, Aalborg University Hospital, 9000 Aalborg, Denmark; (V.I.); (H.C.B.); (M.F.N.)
| | - Vesal Khalid
- Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark; (V.K.); (S.R.)
- Orthopaedic Research Unit, Aalborg University Hospital, 9000 Aalborg, Denmark
| | - Henrik Carl Schønheyder
- Department of Clinical Microbiology, Aalborg University Hospital, 9000 Aalborg, Denmark; (H.C.S.); (L.H.L.)
| | - Lone Heimann Larsen
- Department of Clinical Microbiology, Aalborg University Hospital, 9000 Aalborg, Denmark; (H.C.S.); (L.H.L.)
| | - Poul Torben Nielsen
- Interdisciplinary Orthopaedics, Department of Orthopaedic Surgery, Aalborg University Hospital, 9000 Aalborg, Denmark; (P.T.N.); (A.K.); (O.S.)
| | - Andreas Kappel
- Interdisciplinary Orthopaedics, Department of Orthopaedic Surgery, Aalborg University Hospital, 9000 Aalborg, Denmark; (P.T.N.); (A.K.); (O.S.)
| | - Trine Rolighed Thomsen
- Center for Microbial Communities, Aalborg University, 9220 Aalborg, Denmark;
- Danish Technology Institute, Medical Biotechnology, 8000 Aarhus, Denmark; (J.L.); (P.L.J.)
| | - Jan Lorenzen
- Danish Technology Institute, Medical Biotechnology, 8000 Aarhus, Denmark; (J.L.); (P.L.J.)
| | - Iben Ørsted
- Department of Infectious Diseases, Aalborg University Hospital, 9000 Aalborg, Denmark;
| | - Ole Simonsen
- Interdisciplinary Orthopaedics, Department of Orthopaedic Surgery, Aalborg University Hospital, 9000 Aalborg, Denmark; (P.T.N.); (A.K.); (O.S.)
| | - Peter Lüttge Jordal
- Danish Technology Institute, Medical Biotechnology, 8000 Aarhus, Denmark; (J.L.); (P.L.J.)
| | - Sten Rasmussen
- Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark; (V.K.); (S.R.)
- Orthopaedic Research Unit, Aalborg University Hospital, 9000 Aalborg, Denmark
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Wang Y, Liu H, Yao S, Guan Z, Li Q, Qi E, Li X, Zhang J, Tian J. Using 18F-flurodeoxyglucose and 68Ga-fibroblast activation protein inhibitor PET/CT to evaluate a new periprosthetic joint infection model of rabbit due to Staphylococcus aureus. Nucl Med Commun 2022; 43:232-241. [PMID: 35022379 DOI: 10.1097/mnm.0000000000001495] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PURPOSE The existing periprosthetic joint infection (PJI) models have obvious limitations, and studies of PJI on animal models using PET/computed tomography (CT) for diagnosis are still lacking. Thus, the aim of this study was to establish a new PJI model and 18F-fluorodeoxyglucose (FDG) and 68Ga-fibroblast activation protein inhibitor (FAPI) were employed to study their performance. METHODS A novel PJI model of rabbit was developed by placing two screws in the tibia and femur. Based on bacteria concentration, the animals were divided into five groups, control, 104, 105, 106 and 107. 18F-FDG and 68Ga-FAPI PET/CT were performed continuously in next 2 weeks and maximum standardized uptake value (SUVmax), mean standardized uptake value (SUVmean), metabolic target volume (MTV) and total lesion glycolysis/total lesion fibrosis were calculated as the metrics. RESULTS As for SUVmax, all data of 18F-FDG were larger than that of 68Ga-FAPI in the same group for both weeks. For the performance of 18F-FDG, no definitive conclusion could be drawn for SUVmax and SUVmean. As for 68Ga-FAPI, the 104 group was significantly larger than 105, 106 and 107 groups for SUVmax and SUVmean in both weeks (P < 0.05). MTV of 68Ga-FAPI was found to be almost always larger than that of 18F-FDG in the same group. CONCLUSION The mechanism of 68Ga-FAPI is totally different from 18F-FDG and this unique property of 68Ga-FAPI shows a promising prospect in detecting infection boundary and may even distinguish a small number or a large number of bacterial infections.
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Affiliation(s)
- Yiqun Wang
- Medical School of Chinese PLA, Chinese PLA General Hospital
| | | | | | | | - Qingxiao Li
- Medical School of Chinese PLA, Chinese PLA General Hospital
| | | | - Xiang Li
- Orthopaedics, Chinese PLA General Hospital, Beijing, China
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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] [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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Noriega-Álvarez E, Pena Pardo FJ, Jiménez Londoño GA, García Vicente A. Gamma camera imaging of musculoskeletal infections. Nucl Med Mol Imaging 2022. [DOI: 10.1016/b978-0-12-822960-6.00215-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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22
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Roschke E, Kluge T, Stallkamp F, Roth A, Zajonz D, Hoffmann KT, Sabri O, Kluge R, Ghanem M. Use of PET-CT in diagnostic workup of periprosthetic infection of hip and knee joints: significance in detecting additional infectious focus. INTERNATIONAL ORTHOPAEDICS 2021; 46:523-529. [PMID: 34618195 PMCID: PMC8840933 DOI: 10.1007/s00264-021-05218-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 09/12/2021] [Indexed: 12/15/2022]
Abstract
Introduction The diagnosis and management of periprosthetic knee and hip infections as well as the identification and management of possible additional infectious foci is of great importance for successful therapy. This study analyses the importance of 18F deoxyglucose PET-CT (PET-CT) in the identification of additional infectious focus and subsequent impact on management of periprosthetic infection (PPI). Material and methods A retrospective analysis of the clinical data and findings in the period from January 2008 to December 2018 was carried out. One hundred and four patients with in-hospital treatment due to PPI of a hip or knee joint were identified and included in this study. All patients underwent a standardized clinical examination and further surgical and antibiotic therapy. The reevaluation of performed PET-CTs was specifically carried out with regard to the local PPI or detection of secondary foci. Results PET-CT successfully verified the PPI in 84.2% of the patients. A total of 78 possible additional foci were detected in PET-CT in 56 (53.8%) of the examined patients. Predilection sites for possible secondary foci were joints (42.3%), pulmonary (15.4%), ear-nose-throat (15.4%), spine (11.5%), and the musculocutaneous tissues (11.5%). Fifty-four positive PET-CT findings were confirmed clinically with need of additional adequate treatment. Conclusion PET-CT is a valuable diagnostic tool to confirm periprosthetic joint infection. At the same time, the whole-body PET/CT may detect additional foci of infection with impact on subsequent treatment strategy. PET was of special value in detecting infections at distant locations far from the primary infected joint in significant number. These distant infection locations can be potential cause of a re-infection. This clearly reflects the need of their diagnosis.
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Affiliation(s)
- E Roschke
- Klinik Und Poliklinik Für Orthopädie, Unfallchirurgie Und Plastische Chirurgie, Universitätsklinikum Leipzig, Liebigstr. 20, 04103, Leipzig, Germany.
| | - T Kluge
- Klinik Und Poliklinik Für Nuklearmedizin, Universitätsklinikum Leipzig, Leipzig, Germany
| | - F Stallkamp
- Klinik Und Poliklinik Für Orthopädie, Unfallchirurgie Und Plastische Chirurgie, Universitätsklinikum Leipzig, Liebigstr. 20, 04103, Leipzig, Germany
| | - A Roth
- Klinik Und Poliklinik Für Orthopädie, Unfallchirurgie Und Plastische Chirurgie, Universitätsklinikum Leipzig, Liebigstr. 20, 04103, Leipzig, Germany
| | - D Zajonz
- Klinik Für Orthopädie, Unfallchirurgie Und Wiederherstellungschirurgie, Zeißigwaldkliniken Bethanien Chemnitz, Chemnitz, Germany
| | - K T Hoffmann
- Klinik Und Poliklinik Für Diagnostische Und Interventionelle Radiologie, Institut Für Neuroradiologie, Leipzig, Germany
| | - O Sabri
- Klinik Und Poliklinik Für Nuklearmedizin, Universitätsklinikum Leipzig, Leipzig, Germany
| | - R Kluge
- Klinik Und Poliklinik Für Nuklearmedizin, Universitätsklinikum Leipzig, Leipzig, Germany
| | - M Ghanem
- Klinik Und Poliklinik Für Orthopädie, Unfallchirurgie Und Plastische Chirurgie, Universitätsklinikum Leipzig, Liebigstr. 20, 04103, Leipzig, Germany
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Palestro CJ, Clark A, Grady EE, Heiba S, Israel O, Klitzke A, Love C, Sathekge M, Ted T, Yarbrough TL. Appropriate Use Criteria for the Use of Nuclear Medicine in Musculoskeletal Infection Imaging. J Nucl Med 2021; 62:jnumed.121.262579. [PMID: 34593597 PMCID: PMC8612196 DOI: 10.2967/jnumed.121.262579] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 05/12/2021] [Accepted: 05/12/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
| | - Alicia Clark
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
- American College of Nuclear Medicine, Reston, Virginia
| | - Erin E. Grady
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
- American College of Nuclear Medicine, Reston, Virginia
| | - Sherif Heiba
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
| | - Ora Israel
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
| | - Alan Klitzke
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
- American College of Nuclear Medicine, Reston, Virginia
| | - Charito Love
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
| | - Mike Sathekge
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
| | - Treves Ted
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
| | - Tracy L. Yarbrough
- Society of Nuclear Medicine and Molecular Imaging, Reston, Virginia
- American College of Nuclear Medicine, Reston, Virginia
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Cho MR, Choi WK, Jun CM, Song SK. The natural trends of C-reactive protein after hip arthroplasty for femoral neck fracture without infection. Medicine (Baltimore) 2021; 100:e27299. [PMID: 34559143 PMCID: PMC8462584 DOI: 10.1097/md.0000000000027299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/02/2021] [Indexed: 01/05/2023] Open
Abstract
The aim of this study was to estimate the degree of normalization of C-reactive protein (CRP) at 2-weeks and 4-weeks after hip arthroplasty after femoral neck fracture. We also wished to determine whether the degree of CRP normalization differs after total hip arthroplasty (THA) compared to bipolar hemiarthroplasty (BH). We also wanted to analyze the patient factors that may influence CRP normalization.We conducted a retrospective study of 135 patients who had undergone THA (32 cases) or BH (103 cases) for femoral neck fracture by single surgeon from January 2015 to December 2019. We analyzed CRP levels during the preoperative period, the early postoperative period, the 2-week postoperative period, and the 4-week postoperative period.In THA, CRP was normalized in 4 patients (12.5%) and in 15 patients (46.9%) within 2-weeks and 4-weeks after surgery, respectively. In BH, CRP was normalized in 16 patients (15.5%) and in 52 patients (50.5%) within 2-weeks and 4-weeks after surgery, respectively. There were no statistical differences between THA and BH. Compared to women, men were 3.78 (95% confidence interval, 1.05-13.63) times less likely to have normalized CRP at 2-weeks after surgery (P = .042). Compared to women, men were 3.01 (95% confidence interval, 1.44-6.27) times less likely to have normalized CRP at 4-weeks after surgery (P = .003).Only 50% of patient's CRP level was normalized during 4-week postoperative period. In men, CRP levels were significantly higher than women in whole period. In the case of THA, the CRP level was higher only in early postoperative period compared to BH, and there was no difference since then.
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Zhang Q, Dong J, Shen Y, Yun C, Zhou D, Liu F. Comparative diagnostic accuracy of respective nuclear imaging for suspected fracture-related infection: a systematic review and Bayesian network meta-analysis. Arch Orthop Trauma Surg 2021; 141:1115-1130. [PMID: 32514833 DOI: 10.1007/s00402-020-03506-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 05/31/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND The aim of this study was to compare the accuracy of available nuclear imaging modalities in the diagnosis of suspected fracture-related infection (FRI). METHODS We conducted a comprehensive literature search of PubMed, EMBASE and the Cochrane Library to retrieve diagnostic accuracy studies in which FRI was investigated using different nuclear imaging modalities. The pooled sensitivity, specificity, likelihood ratios and diagnostic odds ratios were constructed using the bivariate meta-analysis framework, while the superior index was pooled using Bayesian network meta-analysis. RESULTS 22 eligible studies (1,565 patients) were included in the quantitative analysis. A broad overlapping confidence interval (CI) of pooled sensitivity was observed among bone scintigraphy (0.94; 95% CI 0.85-0.98), 18F-FDG PET and PET/CT (0.91; 95% CI 0.85-0.94) and leukocyte scintigraphy (0.86; 95% CI 0.53-0.97). Bone scintigraphy (0.34; 95% CI 0.08-0.75) seemed to be less specific than all the other modalities, while leukocyte scintigraphy (0.96, 95% CI 0.92-0.98) was notably more specific than 18F-FDG PET and PET/CT (0.78; 95% CI 0.69-0.85). Based on the superiority index, 18F-FDG PET/CT (3.78; 95% CI 0.14-11.00), 18F-FDG PET (2.98; 95% CI 0.14-9.00) and leukocyte scintigraphy (1.51; 95% CI 0.11-7.00) all achieved high accuracy in detecting FRI. CONCLUSION Bone scintigraphy is a highly sensitive nuclear imaging technique but lacks the specificity needed to unequivocally differentiate among various conditions suspected to be FRI. Leukocyte scintigraphy, 18F-FDG PET/CT and PET all present good satisfactory accuracy for the diagnosis of FRI, but their costs should be further reduced to promote their wide application.
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Affiliation(s)
- Qingyu Zhang
- Department of Orthopaedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China
| | - Jinlei Dong
- Department of Orthopaedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China
| | - Yelong Shen
- Department of Medical Imaging, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China
| | - Canhua Yun
- Department of Nuclear Medicine, The Second Hospital of Shandong University, No. 247, Road Beiyuan, Jinan, Shandong, China
| | - Dongsheng Zhou
- Department of Orthopaedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China
| | - Fanxiao Liu
- Department of Orthopaedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Road Jing Wu Wei Qi, Jinan, 250021, Shandong, China.
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Abstract
» A 3-phase bone scan is a potential first-line nuclear medicine study for pain after total joint arthroplasty (TJA) when there is concern for periprosthetic joint infection or aseptic loosening. » In patients who have a positive bone scintigraphy result and suspected infection of the joint, but where aspiration or other studies are inconclusive, labeled leukocyte scintigraphy with bone marrow imaging may be of benefit. » Magnetic resonance imaging (MRI), while not a nuclear medicine study, also shows promise and has the advantage of providing information about the soft tissues around a total joint replacement. » Radiotracer uptake patterns in scintigraphy are affected by the prosthesis (total knee arthroplasty [TKA] versus total hip arthroplasty [THA]) and the use of cement. » Nuclear medicine scans may be ordered 1 year postoperatively but may have positive findings that are due to normal physiologic bone remodeling. Nuclear studies may be falsely positive for up to 2 years after TJA. » Single-photon emission computed tomography (SPECT) combined with computed tomography (CT) (SPECT/CT), fluorine-18 fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/CT, and MRI show promise; however, more studies are needed to better define their role in the diagnostic workup of pain after TJA.
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Affiliation(s)
- John M Pinski
- Department of Orthopedic Surgery, Tufts Medical Center, Boston, Massachusetts
| | - Antonia F Chen
- Department of Orthopedic Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Daniel M Estok
- Department of Orthopedic Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Joseph J Kavolus
- Department of Orthopedic Surgery, Tufts Medical Center, Boston, Massachusetts
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Anagnostakos K, Sahan I. Are Cement Spacers and Beads Loaded with the Correct Antibiotic(s) at the Site of Periprosthetic Hip and Knee Joint Infections? Antibiotics (Basel) 2021; 10:antibiotics10020143. [PMID: 33535704 PMCID: PMC7912871 DOI: 10.3390/antibiotics10020143] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/26/2021] [Accepted: 01/29/2021] [Indexed: 01/22/2023] Open
Abstract
The optimal impregnation of antibiotic-loaded bone cement in the treatment of periprosthetic hip and knee joint infection is unknown. It is also unclear, whether a suboptimal impregnation might be associated with a higher persistence of infection. A total of 93 patients (44 knee, 49 hip) were retrospectively evaluated, and the most common organism was a methicillin-resistant Staphylococcus epidermidis, followed by methicillin-susceptible Staphylococcus aureus. Of all the organisms, 37.1% were resistant against gentamicin and 54.2% against clindamycin. All organisms were susceptible against vancomycin. In 41 cases, gentamicin-loaded beads were inserted and in 52 cases, spacers: (2 loaded only with gentamicin, 18 with gentamicin + vancomycin, 19 with gentamicin + clindamycin, and 13 with gentamicin + vancomycin + clindamycin). The analysis of each antibiotic impregnation showed that complete susceptibility was present in 38.7% of the cases and partial susceptibility in 28%. In the remaining 33.3%, no precise statement can be made because either there was a culture-negative infection or the antibiotic(s) were not tested against the specific organism. At a mean follow-up of 27.9 months, treatment failure was observed in 6.7% of the cases. Independent of which antibiotic impregnation was used, when the organism was susceptible against the locally inserted antibiotics or not tested, reinfection or persistence of infection was observed in the great majority of cases. Future studies about the investigation of the optimal impregnation of antibiotic-loaded bone cement are welcome.
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Leitao J, Martin L, Desclaux A, Dutronc H, Neau D, Dauchy FA. Experience of ultrasound performed by infectiologists, an innovating approach for the management of patients. Infect Dis Now 2020; 51:451-455. [PMID: 34366081 DOI: 10.1016/j.idnow.2020.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/25/2020] [Accepted: 10/30/2020] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Ultrasound imaging has many clinical applications, but there is a lack of data about its use by infectiologists. The aim of this study was to describe ultrasound performed routinely by infectiologists and to assess the diagnostic performance of ultrasound with aspirate and fluid analysis in prosthetic joint infections. METHODS Retrospective study between 1st June 2019 and 1st June 2020 in an infectious and tropical diseases unit in a tertiary University Hospital. RESULTS One hundred and thirty-one ultrasounds were performed on 127 patients by the infectious diseases team. These included 64 musculoskeletal ultrasounds (31 in native joints and 33 in prosthetic joints including 15 knees, 13 hips and 5 spacers) and 33 led to a fluid aspirate. Fourteen lung ultrasounds were done, 11 confirmed pneumopathy and 7 resulted in pleural puncture. Twenty-three vascular ultrasounds were done, 17 to insert a catheter, and four to perform a blood test. Five ultrasounds explored adenopathy, of which one node tuberculosis and one Bartonella infection were diagnosed. In prosthetic joint infections, sensitivity and specificity of ultrasound with fluid aspirate and analysis were respectively 100% and 100% for the knee and 40% and 100% for the hip. CONCLUSION Ultrasound performed by infectiologists is useful and contributes to a faster diagnosis. Furthermore, the specificity of ultrasound with aspirate and fluid analysis is very high in prosthetic joint infection. Ultrasound training courses should be considered for infectiologists including residents.
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Affiliation(s)
- J Leitao
- Service de maladies infectieuses et tropicales, Centre de référence Infections ostéo-articulaires complexes, Hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France.
| | - L Martin
- Service de maladies infectieuses et tropicales, Centre de référence Infections ostéo-articulaires complexes, Hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France
| | - A Desclaux
- Service de maladies infectieuses et tropicales, Centre de référence Infections ostéo-articulaires complexes, Hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France
| | - H Dutronc
- Service de maladies infectieuses et tropicales, Centre de référence Infections ostéo-articulaires complexes, Hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France
| | - D Neau
- Service de maladies infectieuses et tropicales, Centre de référence Infections ostéo-articulaires complexes, Hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France
| | - F-A Dauchy
- Service de maladies infectieuses et tropicales, Centre de référence Infections ostéo-articulaires complexes, Hôpital Pellegrin, CHU de Bordeaux, 33000 Bordeaux, France
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Kimura M, Kaku N, Tagomori H, Tsumura H. Effectiveness of 18F-fluoro-deoxyglucose Positron Emission Tomography/Computed Tomography and Magnetic Resonance Imaging to Detect Iliopsoas Tendonitis after Total Hip Arthroplasty: A Case Report. Hip Pelvis 2020; 32:223-229. [PMID: 33335871 PMCID: PMC7724025 DOI: 10.5371/hp.2020.32.4.223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/24/2020] [Accepted: 10/12/2020] [Indexed: 11/24/2022] Open
Abstract
Disorders involving artificial joints are difficult to evaluate due to metal artifacts hindering plain computed tomography (CT) or magnetic resonance imaging (MRI). In the current case study 18F-fluoro-deoxyglucose positron emission tomography (18F-FDG-PET)/CT and MRI were used to confirm iliopsoas tendonitis within the metal artifact area following total hip arthroplasty (THA). The patient was a 61-year-old woman who developed hip pain on flexion of the ipsilateral hip after THA. Imaging studies were performed to evaluate for iliopsoas tendonitis due to impingement with the cup. Assessment of the iliopsoas muscle near the artificial joint was difficult due to the metal artifact on plain CT and MRI. Imaging using 18F-FDG-PET/CT and 18F-FDG-PET/MRI showed uptake along the iliopsoas muscle. Therefore, revision was performed to resolve iliopsoas tendon impingement, and the preoperative pain resolved. The result of the current case study suggest 18F-FDG-PET/CT or 18F-FDG-PET/MRI will be useful to detect iliopsoas tendonitis within metal artifact areas after THA.
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Affiliation(s)
- Makoto Kimura
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Nobuhiro Kaku
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Hiroaki Tagomori
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Hiroshi Tsumura
- Department of Orthopaedic Surgery, Faculty of Medicine, Oita University, Yufu City, Japan
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Romanò CL, Petrosillo N, Argento G, Sconfienza LM, Treglia G, Alavi A, Glaudemans AW, Gheysens O, Maes A, Lauri C, Palestro CJ, Signore A. The Role of Imaging Techniques to Define a Peri-Prosthetic Hip and Knee Joint Infection: Multidisciplinary Consensus Statements. J Clin Med 2020; 9:jcm9082548. [PMID: 32781651 PMCID: PMC7466174 DOI: 10.3390/jcm9082548] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/20/2020] [Accepted: 08/03/2020] [Indexed: 02/07/2023] Open
Abstract
Diagnosing a peri-prosthetic joint infection (PJI) remains challenging despite the availability of a variety of clinical signs, serum and synovial markers, imaging techniques, microbiological and histological findings. Moreover, the one and only true definition of PJI does not exist, which is reflected by the existence of at least six different definitions by independent societies. These definitions are composed of major and minor criteria for defining a PJI, but most of them do not include imaging techniques. This paper highlights the pros and cons of available imaging techniques—X-ray, ultrasound, computed tomography (CT), Magnetic Resonance Imaging (MRI), bone scintigraphy, white blood cell scintigraphy (WBC), anti-granulocyte scintigraphy, and fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT), discusses the added value of hybrid camera systems—single photon emission tomography/computed tomography (SPECT/CT), PET/CT and PET/MRI and reports consensus answers on important clinical questions that were discussed during the Third European Congress on Inflammation/Infection Imaging in Rome, December 2019.
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Affiliation(s)
- Carlo Luca Romanò
- Gruppo di Studio SIOT Infezioni-Clinica San Gaudenzio-Novara-Gruppo Policlinico di Monza, University of Milan, 20100 Milan, Italy;
| | - Nicola Petrosillo
- Clinical and Research Department for Infectious Diseases, National Institute for Infective Diseases “L. Spallanzani”, 00144 Rome, Italy;
| | | | - Luca Maria Sconfienza
- IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy;
- Department of Biomedical Sciences for Health, University of Milan, 20123 Milan, Italy
| | - Giorgio Treglia
- Nuclear Medicine and PET/CT Center, Imaging Institute of Southern Switzerland, Ente Ospedaliero Cantonale Via Lugano 4F, CH-6500 Bellinzona, Switzerland;
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Abass Alavi
- Division of Nuclear Medicine, Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA 1904, USA;
| | - Andor W.J.M. Glaudemans
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands;
| | - Olivier Gheysens
- Department of Nuclear Medicine, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium;
| | - Alex Maes
- Department of Nuclear Medicine, AZ Groeninge, Kortrijk Belgium and Department of Imaging and Pathology @ KULAK, KU Leuven campus Kulak, 8500 Kortrijk, Belgium;
| | - Chiara Lauri
- Nuclear Medicine Unit Department of Medical-Surgical Sciences and of Translational Medicine, Faculty of Medicine and Psychology, “Sapienza” University of Rome, 00161 Rome, Italy;
| | - Christopher J. Palestro
- Department of Radiology Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA;
| | - Alberto Signore
- Nuclear Medicine Unit Department of Medical-Surgical Sciences and of Translational Medicine, Faculty of Medicine and Psychology, “Sapienza” University of Rome, 00161 Rome, Italy;
- Correspondence:
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Should scintigraphy be completely excluded from the diagnosis of periprosthetic joint infection? Clin Radiol 2020; 75:797.e1-797.e7. [PMID: 32727656 DOI: 10.1016/j.crad.2020.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 06/04/2020] [Indexed: 11/22/2022]
Abstract
AIM To analyse the diagnostic performance of bone and leukocyte scintigraphy for periprosthetic joint infection before excluding the test from routine practice, and to analyse the possible benefit of bone marrow scintigraphy in inconclusive cases. MATERIALS AND METHODS From 2012 to 2018, all patients with a total hip or knee arthroplasty who had a bone and leukocyte scintigraphy performed and underwent revision surgery were included. Bone marrow scintigraphy was indicated only in cases in which bone and leukocyte scintigraphy were inconclusive. Diagnosis of periprosthetic joint infection was confirmed by positive intraoperative cultures after revision surgery. RESULTS A total of 105 patients were included. Eighteen patients had total hip arthroplasties (18.1%) and 86 had total knee arthroplasties (81.9%). Mean age was 74 years. Nineteen cases were diagnosed with a periprosthetic joint infection. Bone and leukocyte scintigraphy had 64% sensitivity and 97% specificity. Bone marrow scintigraphy increased sensitivity and specificity to 88% and 100%, respectively. CONCLUSION Bone and leukocyte scintigraphy possesses high sensitivity and specificity for the diagnosis of chronic periprosthetic joint infection. The additional use of bone marrow scintigraphy significantly increases diagnostic performance. For these reasons, bone scintigraphy is reserved for inconclusive cases of chronic periprosthetic joint infection.
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Li C, Ojeda-Thies C, Xu C, Trampuz A. Meta-analysis in periprosthetic joint infection: a global bibliometric analysis. J Orthop Surg Res 2020; 15:251. [PMID: 32650802 PMCID: PMC7350679 DOI: 10.1186/s13018-020-01757-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 06/16/2020] [Indexed: 02/07/2023] Open
Abstract
Background Periprosthetic joint infection (PJI) is the most serious complication of joint replacement surgery. Further comorbidities include bedsore, deep vein thrombosis, reinfection, or even death. An increasing number of researchers are focusing on this challenging complication. The aim of the present study was to estimate global PJI research based on bibliometrics from meta-analysis studies. Methods A database search was performed in PubMed, Scopus, and Web of Science. Relevant studies were assessed using the bibliometric analysis. Results A total of 117 articles were included. The most relevant literature on PJI was found on Scopus. China made the highest contributions to global research, followed by the USA and the UK. The institution with the most contributions was the University of Bristol. The journal with the highest number of publications was The Journal of Arthroplasty, whereas the Journal of Clinical Medicine had the shortest acceptance time. Furthermore, the top three frequently used databases were Embase, MEDLINE, and Cochrane. The most frequent number of authors in meta-analysis studies was four. Most studies focused on the periprosthetic hip and knee. The alpha-defensin diagnostic test, preventive measures on antibiotics use, and risk factors of intra-articular steroid injections were the most popular topic in recent years. Conclusion Based on the results of the present study, we found that there was no single database that covered all relevant articles; the optimal method for bibliometric analysis is a combination of databases. The most popular research topics on PJI focused on alpha-defensin, antibiotic use, risk factors of intra-articular steroid injections, and the location of prosthetic hip and knee infection.
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Affiliation(s)
- Cheng Li
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Center for Musculoskeletal Surgery (CMSC), Charitéplatz 1, D-10117, Berlin, Germany
| | | | - Chi Xu
- Department of Orthopaedic Surgery, General Hospital of People's Liberation Army, Beijing, People's Republic of China
| | - Andrej Trampuz
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Center for Musculoskeletal Surgery (CMSC), Charitéplatz 1, D-10117, Berlin, Germany.
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Positive Microbiological Findings at the Site of Presumed Aseptic Revision Arthroplasty Surgery of the Hip and Knee Joint: Is a Surgical Revision Always Necessary? BIOMED RESEARCH INTERNATIONAL 2020; 2020:2162136. [PMID: 32461967 PMCID: PMC7232730 DOI: 10.1155/2020/2162136] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 04/30/2020] [Accepted: 05/01/2020] [Indexed: 01/31/2023]
Abstract
Little is known about patients that undergo presumed aseptic revision arthroplasty surgery of the hip and knee joint and having positive microbiological findings of the intraoperatively taken tissue samples. 228 “aseptic” operations were retrospectively analyzed from prospectively collected data with regard to the following parameters: demographic data; reasons for primary and revision surgery, respectively; time between primary and revision surgery; preoperative laboratory findings; microbiological and histopathological findings; type and length of systemic antibiotic therapy; clinical outcome; and follow-up. Identification of microorganisms was present in 8.8% of the cases (9.3% of the hip and 7.8% of the knee cases). Preoperatively, the median CRP value was 8.4 mg/l (normal values 0-5.0 mg/l) and the median WBC count 8,100 × 106/l (normal values 3, 700‐10,100 × 106/l). The most common identified organism was methicillin-resistant Staphylococcus epidermidis in 30%, followed by viridans streptococci in 15% of the cases. In 7 cases, the microbiological findings were interpreted as a contamination, and no antibiotic therapy was administered. In the other cases, a systemic antibiotic therapy was applied for a time period between 2 weeks and 3 months. 68.4% of the patients did not have any infectious complications at a median follow-up of 20 (3-42) months. The present study indicates that more than 2/3 of the cases with positive microbiological findings at the site of presumed aseptic revision arthroplasty surgery of the hip and knee joint can be successfully treated conservatively and they do not require any further surgical therapy.
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Galley J, Sutter R, Stern C, Filli L, Rahm S, Pfirrmann CWA. Diagnosis of Periprosthetic Hip Joint Infection Using MRI with Metal Artifact Reduction at 1.5 T. Radiology 2020; 296:98-108. [PMID: 32396046 DOI: 10.1148/radiol.2020191901] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background MRI with metal artifact reduction has gained importance in assessment of pain with total hip arthroplasty (THA). However, its role in diagnosis of periprosthetic joint infection (PJI) has not been well defined. Purpose To evaluate findings of PJI after THA and to determine the diagnostic performance of 1.5-T MRI with metal artifact reduction. Materials and Methods Dedicated compressed sensing-based slice encoding for metal artifact correction 1.5-T MRI examinations (from January 2015 to April 2018) in patients with THA PJI (infection group) and noninfected THA (control group) were retrospectively evaluated by two musculoskeletal radiologists. Fisher exact test was used to compare the groups. Sensitivity, specificity, and accuracy were evaluated for each finding. Interobserver reliability was assessed with κ statistics. Results Forty patients (mean age, 69 years ± 11 [standard deviation]; 26 men) in the infection group and 100 patients (mean age, 67 years ± 11; 42 men) in the control group were evaluated. Periosteal reaction, capsule edema, and intramuscular edema differed between the two groups (P < .001 for each finding). Periosteal reaction was found in 31 of 40 patients with infection and 10 of 100 participants in the control group (sensitivity, 78%; specificity, 90%; accuracy, 86%); capsule edema was found in 33 of 40 (infection group) and five of 100 (control group) (sensitivity, 83%; specificity, 95%; accuracy, 91%); and intramuscular edema was found in 38 of 40 (infection group) and 14 of 100 (control group) (sensitivity, 95%; specificity, 86%; accuracy, 89%). Interobserver agreement was almost perfect, with κ values between 0.88 and 0.92. No difference between the two groups was found regarding the presence of osteolysis (infection group, 23 of 40; control group, 60 of 100), bone marrow edema (39 of 40 vs 87 of 100), effusion (20 of 40 vs 26 of 100), abductor tendon lesion (22 of 40 vs 62 of 100), or bursitis (14 of 40 vs 34 of 100) (P > .05 for each finding). Conclusion The presence of periosteal reaction, capsule edema, and intramuscular edema after total hip arthroplasty at 1.5-T MRI with metal artifact reduction had a high accuracy in evaluation of periprosthetic joint infection. © RSNA, 2020 Online supplemental material is available for this article. See also the editorial by Zanetti in this issue.
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Affiliation(s)
- Julien Galley
- From the Departments of Radiology (J.G., R.S., C.S., L.F., C.W.A.P.) and Orthopedic Surgery (S.R.), Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008 Zürich, Switzerland; and Department of Radiology, HFR, University of Fribourg, Fribourg, Switzerland (J.G.)
| | - Reto Sutter
- From the Departments of Radiology (J.G., R.S., C.S., L.F., C.W.A.P.) and Orthopedic Surgery (S.R.), Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008 Zürich, Switzerland; and Department of Radiology, HFR, University of Fribourg, Fribourg, Switzerland (J.G.)
| | - Christoph Stern
- From the Departments of Radiology (J.G., R.S., C.S., L.F., C.W.A.P.) and Orthopedic Surgery (S.R.), Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008 Zürich, Switzerland; and Department of Radiology, HFR, University of Fribourg, Fribourg, Switzerland (J.G.)
| | - Lukas Filli
- From the Departments of Radiology (J.G., R.S., C.S., L.F., C.W.A.P.) and Orthopedic Surgery (S.R.), Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008 Zürich, Switzerland; and Department of Radiology, HFR, University of Fribourg, Fribourg, Switzerland (J.G.)
| | - Stefan Rahm
- From the Departments of Radiology (J.G., R.S., C.S., L.F., C.W.A.P.) and Orthopedic Surgery (S.R.), Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008 Zürich, Switzerland; and Department of Radiology, HFR, University of Fribourg, Fribourg, Switzerland (J.G.)
| | - Christian W A Pfirrmann
- From the Departments of Radiology (J.G., R.S., C.S., L.F., C.W.A.P.) and Orthopedic Surgery (S.R.), Balgrist University Hospital, University of Zurich, Forchstrasse 340, 8008 Zürich, Switzerland; and Department of Radiology, HFR, University of Fribourg, Fribourg, Switzerland (J.G.)
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Abstract
Periprosthetic joint infection (PJI) is a severe complication, associated with substantial morbidity and high costs. PJI can occur in the early postoperative period but also many years after joint replacement. Timely and accurate diagnosis is important for treatment planning. Diagnosis of PJI can be a challenge, especially for chronic and low-grade infections. The diagnostic performance of fludeoxyglucose F 18 (18F-FDG) positron emission tomography (PET) in detecting PJI seems sufficiently high for routine clinical application and has additional value to conventional tests. Further research is needed to determine the exact place of 18F-FDG PET in the diagnostic work-up of suspected PJI.
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Affiliation(s)
- Robert M Kwee
- Department of Radiology, Zuyderland Medical Center, Heerlen/Sittard/Geleen, The Netherlands
| | - Thomas C Kwee
- Department of Radiology, Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Hanzeplein 1, PO Box 30.001, Groningen 9700 RB, the Netherlands.
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Plate A, Weichselbaumer V, Schüpbach R, Fucentese SF, Berli M, Hüllner M, Achermann Y. Diagnostic accuracy of 99mTc-antigranulocyte SPECT/CT in patients with osteomyelitis and orthopaedic device-related infections: A retrospective analysis. Int J Infect Dis 2019; 91:79-86. [PMID: 31759168 DOI: 10.1016/j.ijid.2019.11.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 11/11/2019] [Accepted: 11/15/2019] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVES Conventional imaging techniques are routinely used in the diagnostic work-up of patients with suspected osteomyelitis or orthopaedic implant-associated infections. Hybrid nuclear medicine imaging techniques are a suitable alternative to routine imaging modalities as they provide anatomical and functional information within one procedure. Our study investigated the performance of anti-granulocyte SPECT/CT using 99mTc-labelled monoclonal antibodies in the diagnosis of osteomyelitis and orthopaedic implant-associated infections. METHODS In this retrospective analysis, we included patients with 99mTc-antigranulocyte SPECT/CT acquired in the context of a suspected bone and joint infection. All patients underwent routine diagnostics and/or had a clinical follow-up of at least 12months. RESULTS 26 episodes were included. Fifteen exams were performed for suspected osteomyelitis, and 11 for suspected orthopaedic implant-associated infection. SPECT/CT was ordered most often if standard diagnostic tests or conventional imaging modalities remained inconclusive. The overall sensitivity and specificity for the diagnosis of an infection were 77.8% and 94.1%, respectively. The positive predictive value was 87.5% and the negative predictive value 88.9%. Diagnostic accuracy was 88.5%. CONCLUSIONS 99mTc-antigranulocyte SPECT/CT imaging has a high accuracy in the diagnosis of osteomyelitis and orthopaedic implant-associated infections and is a suitable non-invasive diagnostic tool if standard diagnostic examinations are inconclusive or not applicable.
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Affiliation(s)
- A Plate
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Rämistrasse 100, Zurich, 8091, Switzerland.
| | - V Weichselbaumer
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, Rämistrasse 100, Zurich, 8091, Switzerland
| | - R Schüpbach
- Department of Orthopaedics, University Hospital Balgrist, University of Zurich, Forchstrasse 340, Zurich, 8008 Switzerland
| | - S F Fucentese
- Department of Orthopaedics, University Hospital Balgrist, University of Zurich, Forchstrasse 340, Zurich, 8008 Switzerland
| | - M Berli
- Department of Orthopaedics, University Hospital Balgrist, University of Zurich, Forchstrasse 340, Zurich, 8008 Switzerland
| | - M Hüllner
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, Rämistrasse 100, Zurich, 8091, Switzerland
| | - Y Achermann
- Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Rämistrasse 100, Zurich, 8091, Switzerland
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An update on the unparalleled impact of FDG-PET imaging on the day-to-day practice of medicine with emphasis on management of infectious/inflammatory disorders. Eur J Nucl Med Mol Imaging 2019; 47:18-27. [DOI: 10.1007/s00259-019-04490-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 08/16/2019] [Indexed: 12/16/2022]
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18F FDG-PET/CT has poor diagnostic accuracy in diagnosing shoulder PJI. Eur J Nucl Med Mol Imaging 2019; 46:2013-2022. [PMID: 31292698 DOI: 10.1007/s00259-019-04381-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 05/28/2019] [Indexed: 01/11/2023]
Abstract
PURPOSE Chronic low-grade periprosthetic joint infection (PJI) of a shoulder replacement can be challenging to diagnose. 18F-FDG PET/CT is suggested as a modality to diagnose lower-limb PJI, but no studies on shoulder replacements exist. The aim of this study was therefore to determine the diagnostic accuracy of 18F-FDG PET/CT in diagnosing chronic PJI of the shoulder. METHODS Patients evaluated for a failed shoulder replacement during a 3-year period were prospectively included in the study. All patients underwent pre-operative 18F-FDG PET/CT, and were evaluated for signs of infection by three independent reviewers using shoulder-specific criteria. Interrater-agreement was calculated between the reviewers. If the patient had revision surgery, biopsy specimens were obtained and cultured with bacterial growth in the cultures serving as gold standard of infection. RESULTS A total of 86 patients were included in the study. Nine patients were 18F-FDG PET/CT positive for infection, with only three true positive. Using the gold standard, infection was diagnosed after revision surgery in 22 cases. All infections were chronic and caused by low-virulent microbes. The sensitivity of 18F-FDG PET/CT was 0.14 95% CI (0.03-0.36), specificity 0.91 95% CI (0.81-0.97), positive predictive value was 0.40 95% CI (0.15-0.71) and negative predictive value 0.71 95% CI (0.67-0.75). The inter-observer agreement was 0.56 (Fleiss' kappa), indicating moderate agreement of the visual FDG-PET evaluation using the shoulder-specific criteria. CONCLUSION 18F-FDG PET/CT has poor diagnostic accuracy in diagnosing low-grade PJI of the shoulder. 18F-FDG PET/CT cannot be recommended as a part of the routine preoperative workup to diagnose low-grade infection of a shoulder replacement.
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Han X, Xie K, Jiang X, Wang L, Wu H, Qu X, Yan M. Synovial fluid α-defensin in the diagnosis of periprosthetic joint infection: the lateral flow test is an effective intraoperative detection method. J Orthop Surg Res 2019; 14:274. [PMID: 31455372 PMCID: PMC6712677 DOI: 10.1186/s13018-019-1320-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 08/16/2019] [Indexed: 12/29/2022] Open
Abstract
Background Synovial fluid α-defensin is a valuable biomarker for periprosthetic joint infection (PJI). Its diagnostic value for PJI has been widely evaluated recently, but results are inconsistent, especially for different test methods. The objective of this study was to evaluate the diagnostic value of laboratory-based immunoassay and lateral flow testing for the detection of α-defensin against hip and knee PJI. Methods We systematically searched MEDLINE and EMBASE for articles on the diagnostic accuracy of α-defensin for PJI published up to September 2018. The pooled sensitivity, specificity, area under the curve (AUC), positive likelihood ratio (PLR), negative likelihood ratio (NLR), and diagnostic odds ratio (DOR) were calculated for the evaluation of the diagnostic value of α-defensin for PJI. Results Nineteen studies were included. Eleven evaluated laboratory-based immunoassay, and 10 evaluated the lateral flow test results. The pooled sensitivity, specificity, AUC, PLR, NLR, and DOR of laboratory-based immunoassays were 0.96 (95% confidence interval [CI] 0.90–0.98), 0.97 (95% CI 0.95–0.99), 0.99 (95% CI 0.98–1.00), 35.0 (95% CI 18.5–66.2), 0.04 (95% CI 0.02–0.11), and 811 (95% CI 220–2990), respectively. The pooled sensitivity, specificity, AUC, PLR, NLR, and DOR of the lateral flow test were 0.86 (95% CI 0.81–0.91), 0.96 (95% CI 0.93–0.98), 0.95 (95% CI 0.93–0.97), 21.2 (95% CI 11.7–38.5), 0.14 (95% CI 0.10–0.21), and 148 (95% CI 64–343), respectively. Conclusions Laboratory-based immunoassay of α-defensin is highly accurate for the diagnosis of hip and knee PJI. The lateral flow test is less sensitive but still a useful intraoperative detection tool for PJI.
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Affiliation(s)
- Xuequan Han
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, China
| | - Kai Xie
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, China
| | - Xu Jiang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, China
| | - Liao Wang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, China
| | - Haishan Wu
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, China
| | - Xinhua Qu
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University School of Medicine, 145 Middle Shandong Road, Shanghai, China
| | - Mengning Yan
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, China.
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40
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Gomes LSM. Early Diagnosis of Periprosthetic Joint Infection of the Hip-Current Status, Advances, and Perspectives. Rev Bras Ortop 2019; 54:368-376. [PMID: 31435100 PMCID: PMC6701967 DOI: 10.1055/s-0039-1693138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 07/10/2018] [Indexed: 02/06/2023] Open
Abstract
Periprosthetic joint infection (PJI) has devastating consequences on joint function and the morbidity and mortality rate of patients who are victims of this serious complication. Although early diagnosis is one of the consensuses with well-established importance, routine workup is still conducted on an empirical, inconsistent, and nonobjective basis in many centers around the world. The present article seeks to contextualize the current state of knowledge about the early diagnosis of PJIs, as well as to discuss the advances and perspectives, within a scenario of its routine use by the healthcare team responsible for managing this dreaded complication.
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Affiliation(s)
- Luiz Sérgio Marcelino Gomes
- Faculdade de Medicina de Uberaba, Universidade Federal do Triângulo Mineiro, Uberaba, MG, Brasil.,Centro de Estudos do Serviço de Cirurgia e Reabilitação Ortopédico-Traumatológica de Batatais, Batatais, SP, Brasil
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Middleton R, Khan T, Alvand A. Update on the diagnosis and management of prosthetic joint infection in hip and knee arthroplasty. ACTA ACUST UNITED AC 2019. [DOI: 10.1302/2048-0105.84.360701] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- R. Middleton
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - T. Khan
- Department of Academic Orthopaedics & Trauma Surgery, Queen’s Medical Centre, Nottingham, UK
| | - A. Alvand
- Nuffield Orthopaedic Centre, Oxford, UK; University of Oxford, Oxford UK
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Diagnostic Performance of 18F-FDG PET/CT in Infectious and Inflammatory Diseases according to Published Meta-Analyses. CONTRAST MEDIA & MOLECULAR IMAGING 2019; 2019:3018349. [PMID: 31427907 PMCID: PMC6683817 DOI: 10.1155/2019/3018349] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 04/04/2019] [Accepted: 07/14/2019] [Indexed: 12/13/2022]
Abstract
Purpose To date, several meta-analyses have reported data about the diagnostic performance of 18F-FDG PET/CT in infectious and inflammatory diseases. This article aims to summarize the published evidence-based data about the diagnostic performance of 18F-FDG PET/CT in this setting. Methods A comprehensive computer literature search of meta-analyses published in PubMed/MEDLINE and Cochrane library database from January 2009 through December 2018 and regarding the diagnostic performance of 18F-FDG PET/CT in infectious and inflammatory diseases was carried out. This combination of key words was used: (i) “PET” OR “positron emission tomography” OR “FDG” OR “fluorodeoxyglucose” AND (ii) meta-analysis. Only records on inflammatory or infectious diseases were selected. Results The diagnostic performance of 18F-FDG PET/CT in detecting inflammatory and infectious diseases has been summarized taking into account 36 meta-analyses published in the literature. Evidence-based data demonstrated good diagnostic performance of 18F-FDG PET/CT for several inflammatory and infectious diseases, in particular cardiovascular infectious and inflammatory diseases and some musculoskeletal infections. Conclusions Evidence-based data about the diagnostic performance of 18F-FDG PET/CT in infectious and inflammatory diseases are increasing, with good diagnostic performance of this imaging method for some indications. More prospective multicenter studies and cost-effective analyses are warranted.
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Mehra MR, Woolley AE. Imaging the Crevasse of Left Ventricular Assist Device Infection. JACC Cardiovasc Imaging 2019; 13:1203-1205. [PMID: 31326493 DOI: 10.1016/j.jcmg.2019.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 06/11/2019] [Accepted: 06/13/2019] [Indexed: 11/24/2022]
Affiliation(s)
- Mandeep R Mehra
- Heart and Vascular Center, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
| | - Ann E Woolley
- Heart and Vascular Center, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
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Holst DC, Angerame MR, Dennis DA, Jennings JM. What Is the Value of Component Loosening Assessment of a Preoperatively Obtained Bone Scan Prior to Revision Total Knee Arthroplasty? J Arthroplasty 2019; 34:S256-S261. [PMID: 31010774 DOI: 10.1016/j.arth.2019.02.065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 02/25/2019] [Accepted: 02/28/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Bone scintigraphy (BS) is frequently ordered to investigate cause of failure following total knee arthroplasty (TKA). Its correlation of component loosening with intraoperative findings (IFs) at the time of revision TKA (rTKA) has not been well studied. This study investigated correlations between the preoperatively obtained radiologist report (RR) of BS, preoperatively documented surgeon prediction (SP) of component loosening, and operative reports documenting IFs. METHODS Our institutional database was retrospectively reviewed for all rTKA done after BS and revealed 96 eligible cases. The RR and SP cohorts were subdivided into all potential combinations of component loosening and were then compared with each other as well as IF. In addition to calculating the percentage correct of RR and SP compared with IF, the levels of agreement between RR and SP were compared using the kappa statistic. RESULTS Of the 96 cases, the RR correctly correlated with IF in 35 cases (37%), whereas the SP was correct in 66 cases (69%), indicating the preoperative interpretation of the surgeon regarding component loosening at rTKA was correct more frequently (P < .001). The kappa statistic between RR and IF was only 0.23 (95% confidence interval [CI] = 0.15-0.32), indicating minimal agreement. The kappa statistic between SP and IF was 0.57 (95% = CI 0.46-0.68), indicating weak agreement. Furthermore, the kappa statistic between RR and SP was 0.36 (95% CI = 0.27-0.45), also indicating minimal agreement. CONCLUSIONS In rTKA, there is weak agreement regarding component loosening between a radiologist's opinion of a preoperatively obtained bone scan and the surgeon's preoperative interpretation of clinical and radiographic data. While neither reliably accurately predicts what is found at the time of rTKA, the surgeon's preoperative interpretation is more closely correlated with actual IFs of component loosening.
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Affiliation(s)
| | - Marc R Angerame
- Orthopedic Surgeon, Illinois Bone and Joint Institue, Barrington, IL
| | - Douglas A Dennis
- From Colorado Joint Replacement, Porter Adventist Hospital, Denver, CO; Department of Biomedical Engineering, University of Tennessee, Knoxville, TN; Department of Mechanical and Materials Engineering, Denver University, Denver, CO; Department of Orthopaedics, University of Colorado School of Medicine, Denver, CO
| | - Jason M Jennings
- From Colorado Joint Replacement, Porter Adventist Hospital, Denver, CO; Department of Mechanical and Materials Engineering, Denver University, Denver, CO
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Teiler J, Ahl M, Åkerlund B, Wird S, Brismar H, Bjäreback A, Hedlund H, Holstensson M, Axelsson R. Is 99mTc-HMPAO-leukocyte imaging an accurate method in evaluating therapy result in prosthetic joint infection and diagnosing suspected chronic prosthetic joint infection? THE QUARTERLY JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING : OFFICIAL PUBLICATION OF THE ITALIAN ASSOCIATION OF NUCLEAR MEDICINE (AIMN) [AND] THE INTERNATIONAL ASSOCIATION OF RADIOPHARMACOLOGY (IAR), [AND] SECTION OF THE SOCIETY OF RADIOPHARMACEUTICAL CHEMISTRY AND BIOLOGY 2019; 64:85-95. [PMID: 31140233 DOI: 10.23736/s1824-4785.19.03040-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND To investigate the sensitivity and specificity of 99mTc-HMPAO-leukocyte imaging in evaluating therapy result in patients with prosthetic joint infection (PJI) and in diagnosing suspected chronic PJI. METHODS Sixty-two patients (63 joints) with microbiologically verified PJI were examined by leukocyte imaging to evaluate therapy result during or at the end of antibiotic treatment or if the patient had a chronic PJI after treatment. Group 1 consisted of 49 patients with on-going or within less than 14 days of ending antibiotic treatment examined to evaluate response. Group 2 consisted of 13 patients examined after completed treatment on suspicion of chronic PJI with no or recently initiated renewed antibiotic treatment. This study applied a combination of different imaging approaches of 99mTc-HMPAO-leukocyte scintigraphy: delayed and late planar images, bone marrow imaging and SPECT/CT imaging. All joints were examined with at least two of the approaches and 53 joints with all three approaches. The report was based on the combined results of the approaches used. A chronic PJI was confirmed with a positive microbiological culture. A cured infection was confirmed with either a negative culture or at least 24 months antibiotic-free follow-up with no relapse. RESULTS In the therapy evaluation group sensitivity was 0.57 and specificity was 0.81. In the suspected chronic infection group sensitivity was 1.00 and specificity 0.91. CONCLUSIONS 99mTc-HMPAO-leukocyte imaging appears to be an accurate method to diagnose or exclude chronic PJI, but cannot be recommended for therapy evaluation of PJI in patients with on-going antibiotic treatment.
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Affiliation(s)
- Johan Teiler
- Department of Clinical Science, Technique and Intervention (CLINTEC), Karolinska Institute, Stockholm, Sweden - .,Abdominal Radiology, Karolinska University Hospital, Huddinge, Sweden -
| | - Marcus Ahl
- Department of Medicine, Karolinska Institute, Stockholm, Sweden.,Unit of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Börje Åkerlund
- Department of Medicine, Karolinska Institute, Stockholm, Sweden.,Unit of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Sara Wird
- Department of Pediatric Radiology, Karolinska University Hospital, Stockholm, Sweden
| | - Harald Brismar
- Department of Clinical Science, Technique and Intervention (CLINTEC), Karolinska Institute, Stockholm, Sweden.,Department of Orthopedic Surgery, Karolinska University Hospital, Stockholm, Sweden
| | - Annie Bjäreback
- Department of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Håkan Hedlund
- Department of Clinical Science, Technique and Intervention (CLINTEC), Karolinska Institute, Stockholm, Sweden.,Department of Orthopedic Surgery, Visby General Hospital, Visby, Sweden
| | - Maria Holstensson
- Department of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Rimma Axelsson
- Department of Clinical Science, Technique and Intervention (CLINTEC), Karolinska Institute, Stockholm, Sweden.,Department of Medical Radiation Physics and Nuclear Medicine, Karolinska University Hospital, Stockholm, Sweden
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Carli AV, Abdelbary H, Ahmadzai N, Cheng W, Shea B, Hutton B, Sniderman J, Philip Sanders BS, Esmaeilisaraji L, Skidmore B, Gauthier-Kwan OY, Bunting AC, Gauthier P, Crnic A, Logishetty K, Moher D, Fergusson D, Beaulé PE. Diagnostic Accuracy of Serum, Synovial, and Tissue Testing for Chronic Periprosthetic Joint Infection After Hip and Knee Replacements: A Systematic Review. J Bone Joint Surg Am 2019; 101:635-649. [PMID: 30946198 DOI: 10.2106/jbjs.18.00632] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Chronic periprosthetic joint infection (PJI) is a devastating complication that can occur following total joint replacement. Patients with chronic PJI report a substantially lower quality of life and face a higher risk of short-term mortality. Establishing a diagnosis of chronic PJI is challenging because of conflicting guidelines, numerous tests, and limited evidence. Delays in diagnosing PJI are associated with poorer outcomes and morbid revision surgery. The purpose of this systematic review was to compare the diagnostic accuracy of serum, synovial, and tissue-based tests for chronic PJI. METHODS This review adheres to the Cochrane Collaboration's diagnostic test accuracy methods for evidence searching and syntheses. A detailed search of MEDLINE, Embase, the Cochrane Library, and the grey literature was performed to identify studies involving the diagnosis of chronic PJI in patients with hip or knee replacement. Eligible studies were assessed for quality and bias using the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) tool. Meta-analyses were performed on tests with sufficient data points. Summary estimates and hierarchical summary receiver operating characteristic (HSROC) curves were obtained using a bivariate model. RESULTS A total of 12,616 citations were identified, and 203 studies met the inclusion criteria. Of these 203 studies, 170 had a high risk of bias. Eighty-three unique PJI diagnostic tests were identified, and 17 underwent meta-analyses. Laboratory-based synovial alpha-defensin tests and leukocyte esterase reagent (LER) strips (2+) had the best performance, followed by white blood-cell (WBC) count, measurement of synovial C-reactive protein (CRP) level, measurement of the polymorphonuclear neutrophil percentage (PMN%), and the alpha-defensin lateral flow test kit (Youden index ranging from 0.78 to 0.94). Tissue-based tests and 3 serum tests (measurement of interleukin-6 [IL-6] level, CRP level, and erythrocyte sedimentation rate [ESR]) had a Youden index between 0.61 to 0.75 but exhibited poorer performance compared with the synovial tests mentioned above. CONCLUSIONS The quality of the literature pertaining to chronic PJI diagnostic tests is heterogeneous, and the studies are at a high risk for bias. We believe that greater transparency and more complete reporting in studies of diagnostic test results should be mandated by peer-reviewed journals. The available literature suggests that several synovial fluid-based tests perform well for diagnosing chronic PJI and their use is recommended in the work-up of any suspected case of chronic PJI. LEVEL OF EVIDENCE Diagnostic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Alberto V Carli
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Hesham Abdelbary
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Nadera Ahmadzai
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Wei Cheng
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Beverley Shea
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Brian Hutton
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Jhase Sniderman
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | | | - Leila Esmaeilisaraji
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Becky Skidmore
- Independent Information Specialist, Ottawa, Ontario, Canada
| | | | | | - Paul Gauthier
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Agnes Crnic
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
| | | | - David Moher
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Dean Fergusson
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Paul E Beaulé
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada
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Auletta S, Riolo D, Varani M, Lauri C, Galli F, Signore A. Labelling and Clinical Performance of Human Leukocytes Labelled with 99mTc-HMPAO Using Leukokit® with Gelofusine versus Leukokit® with HES as Sedimentation Agent. CONTRAST MEDIA & MOLECULAR IMAGING 2019; 2019:4368342. [PMID: 31019414 PMCID: PMC6452531 DOI: 10.1155/2019/4368342] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 02/14/2019] [Indexed: 02/07/2023]
Abstract
The scintigraphy with radiolabelled autologous leukocytes (WBCs) is considered the gold-standard technique for imaging infections. Leukokit® is a commercially available, disposable, sterile kit for labelling WBCs ex vivo. In this kit, WBCs isolation from red blood cells (RBCs) was performed using poly(O-2-hydroxyethyl)starch (HES) as the RBCs sedimentation agent. Due to its poor availability, HES has been recently replaced by Gelofusine as the RBC sedimentation agent. The aim of this study was to compare the labelling efficiency and the diagnostic accuracy of WBCs labelled with Leukokit® with HES vs Leukokit® with Gelofusine. WBCs were isolated using HES or Gelofusine for 45 minutes and then purified from platelets (PLTs) and labelled with 1.1 ± 0.3 GBq of freshly prepared 99mTc-HMPAO. The following parameters were evaluated: the number and type of recovered WBCs, RBCs contamination, PLTs contamination, vitality of neutrophils, and chemotactic properties of neutrophils. Clinical comparison was performed between 80 patients (33 males; age 67.5 ± 14.2) injected with 99mTc-HMPAO-WBCs, using HES as the sedimentation agent, and 92 patients (38 males; age 68.2 ± 12.8) injected with 99mTc-HMPAO-WBCs using Gelofusine as the sedimentation agent. Patients were affected by prosthetic joint infections, peripheral bone osteomyelitis, or vascular graft infection. We compared radiolabelling efficiency (LE), final recovery yield (RY), and diagnostic outcome based on microbiology or 2-year follow-up. Results showed that HES provides the lowest RBCs and PLTs contamination, but Gelofusine provides the highest WBC recovery. Both agents did not influence the chemotactic properties of WBCs, and no differences were found in terms of LE and RY. Sensitivity, specificity, and accuracy were also not significantly different for WBCs labelled with both agents (diagnostic accuracy 90.9%, CI = 74.9-96.1 vs 98.3%, CI = 90.8-100, for HES and Gelofusine, respectively). In conclusion, Gelofusine can be considered a suitable alternative of HES for WBCs separation and labelling.
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Affiliation(s)
- S. Auletta
- 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, Netherlands
| | - D. Riolo
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, Faculty of Medicine and Psychology, “Sapienza” University of Rome, Rome, Italy
| | - M. Varani
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, Faculty of Medicine and Psychology, “Sapienza” University of Rome, Rome, Italy
| | - C. Lauri
- 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, Netherlands
| | - F. Galli
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, Faculty of Medicine and Psychology, “Sapienza” University of Rome, Rome, Italy
| | - A. 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, Netherlands
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Abblitt WP, Ascione T, Bini S, Bori G, Brekke AC, Chen AF, Courtney PM, Della Valle CJ, Diaz-Ledezma C, Ebied A, Fillingham YJ, Gehrke T, Goswami K, Grammatopoulos G, Marei S, Oliashirazi A, Parvizi J, Polkowski G, Saeed K, Schwartz AJ, Segreti J, Shohat N, Springer BD, Suleiman LI, Swiderek LK, Tan TL, Yan CH, Zeng YR. Hip and Knee Section, Outcomes: Proceedings of International Consensus on Orthopedic Infections. J Arthroplasty 2019; 34:S487-S495. [PMID: 30348557 DOI: 10.1016/j.arth.2018.09.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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50
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Diaz-Ledezma C, Espinosa-Mendoza R, Gallo J, Glaudemans A, Gómez-García F, Goodman S, Kaminek M, Le Roux TLB, Llinás A, Nieslanikova E, Quinn L, Sculco P, Svoboda M. General Assembly, Diagnosis, Imaging: Proceedings of International Consensus on Orthopedic Infections. J Arthroplasty 2019; 34:S215-S223. [PMID: 30360979 DOI: 10.1016/j.arth.2018.09.073] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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