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Schindler M, Walter N, Reinhard J, Pagano S, Szymski D, Alt V, Rupp M, Lang S. Midterm survival and risk factor analysis in patients with pyogenic vertebral osteomyelitis: a retrospective study of 155 cases. Front Surg 2024; 11:1357318. [PMID: 38835852 PMCID: PMC11148346 DOI: 10.3389/fsurg.2024.1357318] [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: 12/17/2023] [Accepted: 05/10/2024] [Indexed: 06/06/2024] Open
Abstract
Background Pyogenic vertebral osteomyelitis (VO) represents a clinical challenge and is linked to substantial morbidity and mortality. This study aimed to examine mortality as well as potential risk factors contributing to in-hospital mortality among patients with VO. Methods This retrospective analysis involved patients receiving treatment for VO at University Regensburg in Germany from January 1, 2000, to December 3, 2020. It included in-hospital mortality rate, comorbidities and pathogens. Patients were identified using ICD-10 diagnosis codes: M46.2, M46.3, M46.4, and M46.5. Kaplan-Meier probability plots and odds ratios (OR) for mortality were calculated. Results Out of the total cohort of 155 patients with VO, 53 patients (34.1%) died during a mean follow-up time of 87.8 ± 70.8 months. The overall mortality was 17.2% at one year, 19.9% at two years and 28.3% at five years. Patients with congestive heart failure (p = 0.005), renal disease (p < 0.001), symptoms of paraplegia (p = 0.029), and sepsis (p = 0.006) demonstrated significantly higher overall mortality rates. In 56.1% of cases, pathogens were identified, with Staphylococcus aureus (S. aureus) and other unidentified pathogens being the most common. Renal disease (OR 1.85) and congestive heart failure (OR 1.52) were identified as significant risk factors. Conclusion Early assessment of the specific risk factors for each patient may prove beneficial in the management and treatment of VO to reduce the risk of mortality. These findings demonstrate the importance of close monitoring of VO patients with underlying chronic organ disease and early identification and treatment of sepsis. Prioritizing identification of the exact pathogens and antibiotic sensitivity testing can improve outcomes for patients in this high-risk group.
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Affiliation(s)
- Melanie Schindler
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Nike Walter
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Jan Reinhard
- Department of Orthopaedic Surgery, University Hospital of Regensburg, Asklepios Klinikum Bad Abbach, Bad Abbach, Germany
| | - Stefano Pagano
- Department of Orthopaedic Surgery, University Hospital of Regensburg, Asklepios Klinikum Bad Abbach, Bad Abbach, Germany
| | - Dominik Szymski
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Volker Alt
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Markus Rupp
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Siegmund Lang
- Department of Trauma Surgery, University Hospital Regensburg, Regensburg, Germany
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Dai G, Li S, Yin C, Sun Y, Hou J, Luan L, Liu C, Wang Z, Cao Z, Wang T. Culture-negative versus culture-positive in pyogenic spondylitis and analysis of risk factors for relapse. Br J Neurosurg 2024; 38:527-531. [PMID: 33683182 DOI: 10.1080/02688697.2021.1896677] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 02/23/2021] [Accepted: 02/24/2021] [Indexed: 10/22/2022]
Abstract
OBJECTIVES This study aims to compare and analyze the clinical features, diagnosis, treatment and prognosis of culture-negative and culture-positive primary pyogenic spondylitis. METHODS In a retrospective analysis, 202 cases of adult primary pyogenic spondylitis with complete clinical data in our hospital from January 2013 to January 2020 were divided into two groups according to bacterial culture results: culture negative (n = 126) and culture positive (n = 76). We compare the clinical characteristics, diagnosis, treatment and prognosis of patients with different culture results. RESULTS The culture positive rate was 37.62% (76/202). There were no significant differences in age, gender, affected segment, spinal abscess, diabetes mellitus, course of disease, surgery, recurrence, and follow-up time between the two groups (p>.05). There were statistically significant differences in hospital admission erythrocyte sedimentation rate (ESR), admission C-reactive protein (CRP), admission white blood cell (WBC) count, discharge ESR, discharge CRP, ESR decline rate, CRP (p<.05). There were statistically significant differences in the rate of decline, hospitalization days, and body temperature ≥38 °C (p<.05). Higher CRP levels on admission, antibiotic treatment time <6 weeks, and body temperature ≥ 38 °C are independent risk factors for infection recurrence. CONCLUSIONS The culture-negative group's admission WBC, admission ESR, admission CRP, discharge ESR, discharge CRP, ESR decline rate, CRP decline rate, and hospital stay were lower than the culture positive group, the difference was statistically significant (p<.05). The independent risk factors for infection recurrence are higher CRP levels in hospital admission, antibiotic treatment time <6 weeks, and body temperature ≥ 38 °C.
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Affiliation(s)
- Guohua Dai
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shuzhong Li
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Chuqiang Yin
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yuanliang Sun
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jianwen Hou
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Liangrui Luan
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Chenjing Liu
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zhichao Wang
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zhenlu Cao
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ting Wang
- Spine Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
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Kitchen M, Gasslitter I, Gisinger M, Deeg J, Rieger A, Sarcletti M. Pyogenic spondylodiscitis in HIV-positive patients under antiretroviral therapy: A case series. Int J STD AIDS 2024; 35:234-239. [PMID: 37963428 DOI: 10.1177/09564624231211019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Background: The incidence of pyogenic spondylodiscitis has been increasing in countries of Europe and North America, probably due to an increasing number of persons with risk factors for this infection. It is unclear whether HIV infection in the era of antiretroviral therapy (ART) increases the risk for spondylodiscitis. Method: We present 7 cases of pyogenic spondylodiscitis of the cervical, thoracic, and lumbar spine in six individuals living with HIV under ART with suppressed viral load. Results: All patients presented with severe non-radicular pain and elevated inflammatory markers. Diagnosis was confirmed by magnetic resonance imaging (MRI) scan and isolation of the pathogen. Staphylococcus aureus was the causative pathogen in five patients. One patient suffered from an infection with Klebsiella pneumoniae followed by a mixed infection with Cutibacterium acnes and Bacillus circulans 18 months later. All patients needed surgical intervention, and the mean duration of antibiotic treatment was 17 weeks (range 12-26). Five patients recovered fully, including two persons who also suffered from endocarditis. One patient died from multi-organ failure. Conclusion: Spondylodiscitis may be seen more frequently in persons living with HIV as they grow older and suffer from comorbidities which put them at risk for this infection. HIV physicians should be aware of the infection and its risk factors.
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Affiliation(s)
- Maria Kitchen
- Department for Dermatology, Venerology, and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Irina Gasslitter
- Department for Dermatology, Venerology, and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Martin Gisinger
- Department for Dermatology, Venerology, and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Johannes Deeg
- Department of Radiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Armin Rieger
- Department for Dermatology, Medical University of Vienna, Vienna, Austria
| | - Mario Sarcletti
- Department for Dermatology, Venerology, and Allergology, Medical University of Innsbruck, Innsbruck, Austria
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El Zein S, Berbari EF, Passerini M, Petri F, Maamari J, Murad MH, Sendi P, Tande AJ. Rifampin Based Therapy for Patients With Staphylococcus aureus Native Vertebral Osteomyelitis: A Systematic Review and Meta-analysis. Clin Infect Dis 2024; 78:40-47. [PMID: 37721158 DOI: 10.1093/cid/ciad560] [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: 07/20/2023] [Revised: 09/01/2023] [Accepted: 09/15/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND Native vertebral osteomyelitis (NVO) caused by Staphylococcus aureus is associated with high risk of treatment failure and increased morbidity. The role of rifampin-based therapy for the treatment of this condition is controversial. The goal of this systematic review and meta-analysis is to explore the efficacy and safety of rifampin-based therapy for the treatment of S. aureus NVO. METHODS We searched Cochrane, Embase, Medline, Scopus, and Web of Science databases for studies published up to May 2023, focusing on adults with NVO treated with or without rifampin-containing regimens. A random-effects model meta-analysis estimated relative risks and risk difference with 95% confidence intervals (CI). RESULTS Thirteen studies (2 randomized controlled trials and 11 comparative cohort studies), comprising 244 patients with S. aureus NVO who received rifampin and 435 who did not, were analyzed. Meta-analysis showed that rifampin-based regimens were associated with lower risk of clinical failure (risk difference, -14%; 95% CI, -19% to -8%; P < .001; I2 = 0%; relative risk, 0.58; 95% CI, .37-.92, P = .02, I2 = 21%). Only 1 study reported on adverse events. All studies had a high or uncertain risk of bias, and the certainty of evidence was rated as very low. CONCLUSIONS Adjunctive rifampin therapy might be associated with lower risk of S. aureus NVO treatment failure; however, the low certainty of evidence precludes drawing definitive conclusions that would alter clinical practice. A randomized trial is necessary to corroborate these findings.
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Affiliation(s)
- Said El Zein
- Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Elie F Berbari
- Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Matteo Passerini
- Department of Infectious Disease, ASST FBF SACCO Fatebenefratelli, Milano, Lombardia, Italy
| | - Francesco Petri
- Department of Infectious Disease, ASST FBF SACCO Fatebenefratelli, Milano, Lombardia, Italy
| | - Julian Maamari
- St. Elizabeth's Medical Center, A Boston University Teaching Hospital, Brighton, Massachusetts, USA
| | - M Hassan Murad
- Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Parham Sendi
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Aaron J Tande
- Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Kalmoukos P, Kouroupis D, Sapouridis G, Simoulidou E, Varouktsi A, Zarras C, Petidis K, Pyrpasopoulou A. Anaerobic Spondylodiscitis caused by Parvimonas Micra in a Rheumatoid Arthritis Patient: Case Report and Review of the Literature. Mediterr J Rheumatol 2023; 34:525-530. [PMID: 38282925 PMCID: PMC10815523 DOI: 10.31138/mjr.240823.asc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/03/2023] [Accepted: 06/18/2023] [Indexed: 01/30/2024] Open
Abstract
We report the rare case of Parvimonas micra bacteraemia and secondary spondylodiscitis probably triggered by tooth injury in a rheumatoid arthritis patient. Anaerobic bacteria associated spondylodiscitis may evade diagnosis due to atypical clinical presentation usually lacking fever, and the difficulties related to microbiological characterisation of the pathogen. Even though anaerobic spinal infections may constitute <3% of the total, clinical suspicion should remain high, especially in the case of positive history for pre-existing oral cavity or gastrointestinal/gynaecological tract infections.
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Affiliation(s)
| | | | | | | | | | - Charalampos Zarras
- Lab of Microbiology, Hippokration Hospital Thessaloniki, Thessaloniki, Greece
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Kinamon T, Dagher M, Park L, Ruffin F, Fowler VG, Maskarinec SA. Risk Factors and Outcomes of Hematogenous Vertebral Osteomyelitis in Patients With Staphylococcus aureus Bacteremia. Clin Infect Dis 2023; 77:1226-1233. [PMID: 37747828 PMCID: PMC10640688 DOI: 10.1093/cid/ciad377] [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: 01/24/2023] [Indexed: 09/27/2023] Open
Abstract
BACKGROUND Hematogenous vertebral osteomyelitis (HVOM) is an incompletely understood complication of Staphylococcus aureus bacteremia (SAB). METHODS Eligible SAB patients with and without HVOM were prospectively enrolled from 1995 through 2019 at Duke University Health System. HVOM was diagnosed either radiographically or microbiologically. Multivariable logistic regression analysis was performed to identify clinical and microbial factors associated with HVOM risk. All bloodstream S. aureus isolates were genotyped using spa typing. RESULTS Of 3165 cases of SAB, 127 (4.0%) developed HVOM. Patients who experienced HVOM were more likely to have community-acquired SAB (30.7% vs 16.7%, P < .001), have a longer time to diagnosis of SAB (median, 5 days; interquartile range [IQR], 2-10.5 vs median, 2 days; IQR, 0-4; P < .001), and to exhibit persistent bacteremia (48.8% vs 20.6%, P < .001). A significant number of HVOM patients developed infective endocarditis (26% vs 15.2%, P = .002). Overall, 26.2% (n = 33) of SAB patients with HVOM underwent surgical intervention. Methicillin resistance (46.6% vs 41.7%, P = .318) and bacterial genotype were not associated with the development of HVOM. At the 12-month follow-up, 22% of patients with HVOM had died. Of the surviving patients, 20.4% remained on antibiotic therapy, and 29.6% had recurrence of either HVOM or SAB. CONCLUSIONS Among patients with SAB, HVOM risk was associated with clinical factors and not bacterial genotype. Despite being a rare complication of SAB, patients with HVOM had high all-cause mortality rates and healthcare resource requirements up to 1 year after their HVOM diagnosis. Close clinical monitoring is indicated in this vulnerable population.
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Affiliation(s)
- Tori Kinamon
- School of Medicine, Duke University, Durham, North Carolina, USA
| | - Michael Dagher
- School of Medicine, Duke University, Durham, North Carolina, USA
| | - Lawrence Park
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
- Duke Global Health Institute, Duke University, Durham, North Carolina, USA
| | - Felicia Ruffin
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Vance G Fowler
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
- Duke Clinical Research Institute, Duke University, Durham, North Carolina, USA
| | - Stacey A Maskarinec
- Division of Infectious Diseases, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA
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Lang S, Walter N, Schindler M, Baertl S, Szymski D, Loibl M, Alt V, Rupp M. The Epidemiology of Spondylodiscitis in Germany: A Descriptive Report of Incidence Rates, Pathogens, In-Hospital Mortality, and Hospital Stays between 2010 and 2020. J Clin Med 2023; 12:jcm12103373. [PMID: 37240479 DOI: 10.3390/jcm12103373] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/20/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Spondylodiscitis can lead to significant morbidity and mortality. Understanding its up-to-date epidemiological characteristics and trends is important to improve patient care. METHODS This study analyzed trends in the incidence rate of spondylodiscitis cases in Germany between 2010 and 2020, as well as the pathogens, in-hospital mortality rate, and length of hospital stay. Data were obtained from the Federal Statistical Office and the Institute for the Hospital Remuneration System database. The ICD-10 codes "M46.2-", "M46.3-" and "M46.4-" were evaluated. RESULTS The incidence rate of spondylodiscitis increased to 14.4/100,000 inhabitants, with 59.6% cases occurring in patients 70 years or older and affecting mainly the lumbar spine (56.2%). Absolute case numbers increased from 6886 by 41.6% to 9753 in 2020 (IIR = 1.39, 95% CI 0.62-3.08). Staphylococci and Escherichia coli were the most coded pathogens. The proportion of resistant pathogens was 12.9%. In-hospital mortality rates increased to a maximum of 64.7/1000 patients in 2020, intensive care unit treatment was documented in 2697 (27.7%) cases, and the length of stay per case was 22.3 days. CONCLUSION The sharply increasing incidence and in-hospital mortality rate of spondylodiscitis highlights the need for patient-centered therapy to improve patient outcomes, especially in the geriatric, frail population, which is prone to infectious diseases.
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Affiliation(s)
- Siegmund Lang
- Department for Trauma Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Nike Walter
- Department for Trauma Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Melanie Schindler
- Department for Trauma Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Susanne Baertl
- Department for Trauma Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
- Centrum für Muskuloskeletale Chirurgie, Universitätsmedizin Berlin, Charitéplatz1, 10117 Berlin, Germany
| | - Dominik Szymski
- Department for Trauma Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Markus Loibl
- Department of Spine Surgery, Schulthess Clinic Zurich, Lenghalde 2, 8008 Zurich, Switzerland
| | - Volker Alt
- Department for Trauma Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Markus Rupp
- Department for Trauma Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
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Yagdiran A, Paul G, Meyer-Schwickerath C, Scheder-Bieschin J, Tobys D, Kernich N, Eysel P, Jung N. Clinical features and outcome of vertebral osteomyelitis after spinal injection: is it worth the price? Infection 2023; 51:599-607. [PMID: 37071309 DOI: 10.1007/s15010-023-02024-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 03/14/2023] [Indexed: 04/19/2023]
Abstract
PURPOSE Spinal injections are increasingly used for back pain treatment. Vertebral osteomyelitis (VO) after spinal injection (SIVO) is rare, but patient characteristics and outcome have not been well characterized. The aim of this study was to assess patient characteristics of SIVO in comparison to patients with native vertebral osteomyelitis (NVO) and to determine predictors for 1-year survival. METHODS This is a single-center cohort study from a tertiary referral hospital. This is a retrospective analysis of Patients with VO who were prospectively enrolled into a spine registry from 2008 to 2019. Student's t-test, Kruskal-Wallis test or Chi-square test were applied for group comparisons. Survival analysis was performed using a log-rank test and a multivariable Cox regression model. RESULTS 283 VO patients were enrolled in the study, of whom 44 (15.5%) had SIVO and 239 (84.5%) NVO. Patients with SIVO were significantly younger, had a lower Charlson comorbidity index and a shorter hospital stay compared to NVO. They also showed a higher rate of psoas abscesses and spinal empyema (38.6% [SIVO] vs. 20.9% [NVO]). Staphylococcus aureus (27%) and coagulase-negative staphylococci (CNS) (25%) were equally often detected in SIVO while S. aureus was more frequently than CNS in NVO (38.1% vs. 7.9%).Patients with SIVO (P = 0.04) had a higher 1-year survival rate (Fig. 1). After multivariate analysis, ASA score was associated with a lower 1-year survival in VO. CONCLUSION The results from this study emphasize unique clinical features of SIVO, which warrant that SIVO should be estimated as a separate entity of VO.
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Affiliation(s)
- Ayla Yagdiran
- Department of Orthopedics and Trauma Surgery, University Hospital of Cologne, Cologne, Germany
| | - Gregor Paul
- Department of Internal Medicine III - Gastroenterology and Infectious Diseases, University Hospital of Augsburg, Stenglinstraße 2, 86156, Augsburg, Germany.
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany.
| | | | - Justus Scheder-Bieschin
- Department of Interdisciplinary Acute, Emergency and Intensive Care Medicine (DIANI), Klinikum Stuttgart, Stuttgart, Germany
| | - David Tobys
- Institute for Medical Microbiology, Immunology and Hygiene, Faculty of Medicine, University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Nikolaus Kernich
- Department of Orthopedics and Trauma Surgery, University Hospital of Cologne, Cologne, Germany
| | - Peer Eysel
- Department of Orthopedics and Trauma Surgery, University Hospital of Cologne, Cologne, Germany
| | - Norma Jung
- Division of Infectious Diseases, Department I of Internal Medicine, University of Cologne, Cologne, Germany
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Chang CY, Pelzl C, Jesse MK, Habibollahi S, Habib U, Gyftopoulos S. Image-Guided Biopsy in Acute Diskitis-Osteomyelitis: A Systematic Review and Meta-Analysis. AJR Am J Roentgenol 2023; 220:499-511. [PMID: 36222488 DOI: 10.2214/ajr.22.28423] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND. The reported sensitivity and yield of image-guided biopsies for diskitis-osteomyelitis vary widely. OBJECTIVE. The purpose of this study was to perform a systematic review of the literature and meta-analysis of pooled sensitivity data to elucidate strategies for optimal image-guided biopsies among patients suspected to have diskitis-osteomyelitis. EVIDENCE ACQUISITION. A comprehensive literature search was performed for studies of patient populations with proven or suspected diskitis-osteomyelitis that included percutaneous image-guided biopsy as part of the workup algorithm. Type of pathogens, imaging modality used for biopsy guidance, tissue targeted, antibiotic administration at the time of biopsy, true microbiology positives, true microbiology negatives, false microbiology positives, false microbiology negatives, disease (i.e., diskitis-osteomyelitis) positives as determined by reference standard, true infection positives (i.e., positive microbiology or pathology results), and total number of biopsies performed were extracted from the studies. Microbiology sensitivity, microbiology biopsy yield, and infection sensitivity were calculated from the pooled data. These terms and the data required to calculate them were also defined in detail. EVIDENCE SYNTHESIS. Thirty-six articles satisfied inclusion criteria and were used for analysis. The pooled microbiology sensitivity, infection sensitivity, and microbiology biopsy yields were 46.6%, 70.0%, and 26.7%, respectively. Mycobacterium tuberculosis-only microbiology sensitivity was significantly higher than both pyogenic bacteria and mixed-organism microbiology sensitivity (p < .001). Staphylococcus aureus was the most common causative organism (28.6%). Pooled microbiology sensitivity was not significantly different for CT guidance and fluoroscopy guidance (p = .16). There was a statistically significant difference between pooled microbiology sensitivity of bone/end plate (45.5%) and disk/paravertebral soft-tissue (64.8%) image-guided biopsies (p < .001). There was no statistically significant difference in pooled microbiology sensitivities for patients who received antibiotics before the procedure (46.2%) and those who did not (44.6%) (p = .70). CONCLUSION. Image guidance by CT or fluoroscopy does not affect microbiology yield, disk and paravertebral soft-tissue biopsies should be considered over bone and end plate biopsies, and preprocedural antibiotic administration does not appear to impact biopsy results. CLINICAL IMPACT. Understanding and correctly applying reported statistics contribute to appropriate interpretation of the abundant literature on this topic and optimization of care for patients with diskitis-osteomyelitis.
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Affiliation(s)
- Connie Y Chang
- Department of Radiology, Division of Musculoskeletal Imaging and Intervention, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St, Yawkey 6E, Boston, MA 02114
| | - Casey Pelzl
- Harvey L. Neiman Health Policy Institute, Reston, VA
| | | | - Sina Habibollahi
- Department of Radiology, Division of Musculoskeletal Imaging and Intervention, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St, Yawkey 6E, Boston, MA 02114
| | - Ukasha Habib
- Department of Radiology, Division of Musculoskeletal Imaging and Intervention, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St, Yawkey 6E, Boston, MA 02114
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10
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Herren C, von der Hoeh NH, Zwingenberger S, Sauer D, Jung N, Pieroh P, Drange S, Pumberger M, Scheyerer MJ. Spondylodiscitis in Geriatric Patients: What Are the Issues? Global Spine J 2023; 13:73S-84S. [PMID: 37084348 PMCID: PMC10177302 DOI: 10.1177/21925682221121300] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/23/2023] Open
Abstract
STUDY DESIGN Review article. OBJECTIVES A review of literature on the treatment of pyogenic spondylodiscitis in geriatric patients was performed with the aim to give an overview about these special patients and a recommendation on necessary diagnostics as well as conservative and operative treatment options. METHODS A systematic computerized literature search was done by the spondylodiscitis working group of the German Society for Orthopedics and Trauma Surgery. RESULTS Spondylodiscitis has an increasing incidence by age with a peak at 75 years or older. The 1-year mortality without an appropriate treatment is with 15 to 20% extremely high. Pathogen detection is the essential diagnostic step and the basis for a sufficient antibiotic treatment. Geriatric patients have initially less elevated inflammatory parameters. Compared to younger patients. They have a longer length of hospital stay and take longer for CRP normalization. Even the outcome between conservative and operative treatment is comparable after one year. Patients with spinal instability, immobilizing pain, epidural abscess, and newly emerged neurological deficits should be considered for operative treatment. CONCLUSIONS The treatment of geriatric patients with pyogenic spondylodiscitis must take into account that these patients usually have multiple comorbidities. The main goals are resistance-based antibiotics and the shortest possible time of immobilization of the patient.
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Affiliation(s)
- Christian Herren
- Department of Orthopaedics, Trauma and Reconstructive Surgery, RWTH Aachen University, Germany
| | | | - Stefan Zwingenberger
- University Center of Orthopedic, Trauma and Plastic Surgery, University Hospital Carl Gustav Carus at TU Dresden, Germany
| | - Daniel Sauer
- Spinecenter, Schön Klinik Munich Harlaching University, Deutschland
| | - Norma Jung
- Department I of Internal Medicine, Medical Faculty, University Hospital of Cologne, University of Cologne, Germany
| | - Philipp Pieroh
- Department of Orthopedic, Trauma and Plastic Surgery, University Hospital Leipzig, Germany
| | - Steffen Drange
- Department of Orthopaedic Surgery, Klinikum Magdeburg gGmbH, Germany
| | - Matthias Pumberger
- Spine Department, Center for Musculoskeletal Surgery, Charité University Medicine BerlinUniversity, Germany
| | - Max J Scheyerer
- Department of Orthopedic and Trauma Surgery, Medical Faculty, University of Cologne, Germany
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Meyer-Schwickerath C, Jochimsen D, Jung N. [Update bone infections]. Dtsch Med Wochenschr 2023; 148:313-317. [PMID: 36878230 DOI: 10.1055/a-1853-4777] [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: 03/08/2023]
Abstract
Bone and joint infections are becoming of great concern in an elderly population with growing numbers of prosthetic joints and comorbidities. This paper summarizes recently published literature on periprosthetic joint infections, vertebral osteomyelitis and diabetic foot infections. According to a new study, in the presence of a hematogenous periprosthetic infection and other inserted joint prostheses that are unremarkable on clinical examination, further invasive or imaging diagnostics may not be necessary. Periprosthetic infections that occur late (> 3 months after joint installation) have a worse outcome. New studies tried to identify factors when prosthesis preservation might still be an option. A new randomized landmark trial from France failed to show non-inferiority for 6 versus 12 weeks of therapy length. Thus, it can be assumed that this will currently become the standard therapy length for all surgical modalities (retention or replacement). Vertebral osteomyelitis is a rather rare bone infection, but the incidence has continued to rise sharply in recent years. A retrospective study from Korea provides information on the distribution of pathogens in different age groups and with selected comorbidities; this could help in the selection of an empiric therapy when pathogen identification is not successful before starting the treatment. The guidelines by the "International Working Group on the Diabetic Foot (IWGDF)" have been updated with a slightly different classification. New practice recommendations of the German society of diabetology emphasize an early interdisciplinary interprofessional management. Empirical therapy continues to be based on the severity of the infection and other risk factors (such as previous therapies or ischemia). Microbiological diagnosis from tissue samples is described as superior to smears. According to a randomized pilot study, 3 weeks therapy length for osteomyelitis after debridement appears to be noninferior to 6 weeks.
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Affiliation(s)
| | - Dorothee Jochimsen
- Klinik I für Innere Medizin, Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Köln
| | - Norma Jung
- Klinik I für Innere Medizin, Universität zu Köln, Medizinische Fakultät und Uniklinik Köln, Köln
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Treatment Failure in Vertebral Osteomyelitis: Is it All About Staphylococcus aureus ? Spine (Phila Pa 1976) 2022; 47:E607-E614. [PMID: 35867569 DOI: 10.1097/brs.0000000000004420] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 06/17/2022] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE The aim was to compare the influence of 2 common vertebral osteomyelitis (VO) causing pathogens on treatment failure within the first year of diagnosis. SUMMARY OF BACKGROUND DATA VO is mainly caused by Staphylococcus aureus (SA), while enterococci and streptococci (ENST) are also responsible for a significant proportion of VO, particularly in elderly patients. Data on VO caused by SA show a tendency for worse outcome, whereas data on VO caused by ENST are scarce. For this purpose, our study compares characteristics of patients with VO caused by SA or ENST in order to analyze risk factors for treatment failure. METHODS We conducted a retrospective monocentric study including VO patients from 2008 to 2020. Primary outcome was treatment failure defined as death or relapse within 1 year (T1). We compared patients diagnosed with VO caused by Staphylococcus aureus including MRSA to patients diagnosed with VO caused by Enterococcus and Streptococcus species, which were combined into one group. Polymicrobial infections were excluded. We employed multiple logistic regression analysis to adjust for confounding. To account for moderation, the model was repeated with an included interaction term. RESULTS Data of 130 VO patients (SA=95; ENST=35) were available at T1. Treatment failure occurred in 37% of SA patients and 23% of ENST patients. On multivariate analysis SA [odds ratio (OR): 3.12; 95% confidence interval (CI): 1.09-10.53; P =0.046], Charlson comorbidity index (OR: 1.31; 95% CI: 1.11-1.58; P =0.002) and infectious endocarditis (IE; OR: 4.29; 95% CI: 1.23-15.96; P =0.024) were identified as independent risk factors for treatment failure. CONCLUSION In our cohort every third patient with VO caused by SA or ENST dies within 1 year. Our findings indicate that patients with VO caused by SA, concomitant IE and/or a high Charlson comorbidity index score may be at elevated risk for treatment failure. These findings can be used to individualize patient care and to direct clinical surveillance. This could include echocardiography evaluating for the presence of IE in patients with VO caused by gram-positive pathogens.
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Lang S, Walter N, Neumann C, Bärtl S, Simon M, Ehrenschwender M, Hitzenbichler F, Alt V, Rupp M. [Current practice of empiric antibiotic treatment for spondylodiscitis]. DER ORTHOPADE 2022; 51:540-546. [PMID: 35391543 PMCID: PMC9249703 DOI: 10.1007/s00132-022-04240-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 02/15/2022] [Indexed: 11/27/2022]
Abstract
Hintergrund und Fragestellung Bei der pyogenen Spondylodiszitis gewinnen Infektionen mit Koagulase-negativen Staphylokokken zunehmend an Bedeutung. Eine empirische Antibiose ist insbesondere bei Patienten mit schweren oder progredienten neurologischen Ausfällen sowie hämodynamischer Instabilität und im Falle von kulturnegativen Spondylodiszitiden notwendig. Ob es in Deutschland einheitliche, an das Resistenzprofil angepasste Standards der empirische Antibotikatherapie gibt, ist unklar. Studiendesign und Untersuchungsmethoden Es wurde an deutschen Universitäts- und berufsgenossenschaftlichen Kliniken, jeweils in den Fachbereichen Orthopädie und Unfallchirurgie, eine Umfrage zur empirischen Antibiotikatherapie bei pyogener Spondylodiszitis durchgeführt. Die Umfrageergebnisse wurden auf das Resistenzprofil der Erreger von 45 Spondylodiszitispatienten, die zwischen 2013 und 2020 in unserer Klinik behandelt wurden, angewandt. Dadurch wurden potenzielle Sensibilitäts- und Resistenzraten für die angegebenen antibiotischen Therapien errechnet. Ergebnisse Von den 71 angefragten Kliniken antworteten insgesamt 44 (62,0 %). Sechzehn verschiedene Antibiotikatherapien wurden als jeweiliger Standard berichtet. Darunter wurden 14 verschiedene Kombinationstherapien als Therapiestandard angegeben. Die am häufigsten angegebenen empirischen Substanzen, nämlich Amoxicillin-Clavulansäure oder Ampicillin/Sulbactam (29,5 %) und Cephalosporine (18,2 %) zeigten in Bezug auf das zuvor veröffentliche Resistenzprofil hohe potenzielle Resistenzraten von 20,0 % bzw. 35,6 %. Die höchsten potenziellen Sensibilitätsraten wurden durch die Kombinationen Vancomycin + Ampicillin/Sulbactam (91,1 % sensible Erreger), Vancomycin + Piperacillin/Tazobactam (91,1 % sensible Erreger) und Ampicillin/Sulbactam + Teicoplanin (95,6 % sensible Erreger) erreicht. Eine dieser Kombinationen wurde von drei Kliniken (6,8 %) als Standard angegeben. Schlussfolgerung Die deutschlandweite Umfrage zur empirischen Antibiose bei pyogener Spondylodiszitis hat eine große Heterogenität der Standardtherapien ergeben. Eine Kombination aus einem Breitspektrum-β-Laktam-Antibiotikum mit einem zusätzlichen Glykopeptidantibiotikum kann sinnvoll sein.
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Affiliation(s)
- Siegmund Lang
- Klinik und Poliklinik für Unfallchirurgie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - Nike Walter
- Klinik und Poliklinik für Unfallchirurgie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - Carsten Neumann
- Klinik und Poliklinik für Unfallchirurgie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - Susanne Bärtl
- Klinik und Poliklinik für Unfallchirurgie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - Michaela Simon
- Institut für Mikrobiologie und Hygiene, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - Martin Ehrenschwender
- Institut für Mikrobiologie und Hygiene, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland.,Institut für Labormedizin, Mikrobiologie und Krankenhaushygiene, Krankenhaus Barmherzige Brüder Regensburg, Prüfeninger Str. 86, 93049, Regensburg, Deutschland
| | - Florian Hitzenbichler
- Abteilung für Krankenhaushygiene und Infektiologie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - Volker Alt
- Klinik und Poliklinik für Unfallchirurgie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - Markus Rupp
- Klinik und Poliklinik für Unfallchirurgie, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland.
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Clinical characteristics of pyogenic vertebral osteomyelitis, and factors associated with inadequate treatment response. Int J Infect Dis 2021; 108:487-493. [PMID: 34091001 DOI: 10.1016/j.ijid.2021.05.078] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVES Pyogenic vertebral osteomyelitis (PVO) is associated with a high burden of disease. Our study aimed to describe characteristics at presentation of PVO, the risk of inadequate treatment response (ITR), relapse, and death, and to determine risk factors for ITR. METHODS Patients with an ICD-10 discharge code for PVO and admission to a major Danish university hospital between November 2016 and April 2019 were included. ITR was defined as clinical, microbiological, and/or radiological progression during treatment. Data were collected through review of medical records, and logistic regression was used to determine adjusted odds ratios (aOR). RESULTS Of 106 patients included, 87% presented with pain in the spine, 97% elevated CRP, 14% severe sepsis, and 13% with a history of previous spinal surgery. 39% were infected with Staphylococcus aureus and 9% with Escherichia coli. 31% responded inadequately to treatment, and risk factors for ITR were previous spinal surgery (aOR 19.29; 95% confidence interval (CI) 2.20-169.08), severe sepsis (aOR 4.59; 95% CI 1.28-15.41), and infection with Escherichia coli (aOR 8.10; 95% CI 1.71-38.45). 13% experienced relapse within the first 2 years, while the 1-year crude mortality was 12%. CONCLUSION Staphylococcus aureus is still the main pathogen in PVO patients, and the risks of relapse and mortality remain high. Factors found to be associated with ITR were previous spinal surgery, severe sepsis, and infection with Escherichia coli.
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Kim NJ. Microbiologic Diagnosis of Pyogenic Spondylitis. Infect Chemother 2021; 53:238-246. [PMID: 34216118 PMCID: PMC8258299 DOI: 10.3947/ic.2021.0054] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 05/28/2021] [Indexed: 12/19/2022] Open
Abstract
Pyogenic spondylitis requires long-term antibiotics treatment and identification of the etiologic microorganism is essential. The first test in the microbiologic diagnosis of pyogenic spondylitis is a blood culture. Any microorganisms that grow in blood culture are highly likely to be the etiological microorganisms of pyogenic spondylitis. If the microbial etiology cannot be defined by the blood culture, a needle biopsy is performed on the inflamed tissues. Here, it is recommended that paraspinal tissues, rather than spinal tissues, are collected to increase the positive rate in tissue culture. If the microbial etiology cannot be defined by the first needle biopsy, another needle biopsy may be performed. The collected tissue sample is used in culture tests on bacteria and mycobacteria as well as pathological tests. If tuberculous spondylitis is suspected, polymerase chain reaction is carried out to detect Mycobacterium tuberculosis. In the case that the etiological microorganisms cannot be identified, the data of the patient regarding age, sex, vertebrae involved, history of spinal surgery or procedure, previous or concurrent urinary tract or intra-abdominal infection are analyzed. Based on this the most probable microbial etiology is determined to select the antibiotics to be used in the empiric treatment.
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Affiliation(s)
- Nam Joong Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
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Park KH. Causative Pathogens and Antibiotic Resistance in Infectious Arthritis. Infect Chemother 2020; 52:641-643. [PMID: 33377323 PMCID: PMC7779996 DOI: 10.3947/ic.2020.52.4.641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Indexed: 11/24/2022] Open
Affiliation(s)
- Ki Ho Park
- Division of Infectious Diseases, Department of Internal Medicine, Kyung Hee University Hospital, Kyung Hee University School of Medicine, Seoul, Korea.
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