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Arientová S, Beran O, Matúšková K, Stráníková A, Holub M. Elevated regulatory T cells after antibiotic treatment of infectious spondylodiscitis as biomarker of recovery? Immunol Lett 2023; 256-257:55-58. [PMID: 37075915 DOI: 10.1016/j.imlet.2023.04.006] [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: 01/11/2023] [Revised: 04/05/2023] [Accepted: 04/15/2023] [Indexed: 04/21/2023]
Abstract
Dysregulated systemic immune responses during infectious spondylodiscitis (IS) may impair microbial clearance and bone resorption. Therefore, the aim of the study was to examine whether circulating regulatory T cells (Tregs) are elevated during IS and whether their frequency is associated with alterations in T cells and the presence of markers of bone resorption in the blood. A total of 19 patients hospitalized with IS were enrolled in this prospective study. Blood specimens were obtained during hospitalization and 6 weeks and 3 months after discharge. Flow cytometric analysis of CD4 and CD8 T cell subsets, the percentage of Tregs and serum levels of collagen type I fragments (S-CrossLap) were performed. Out of 19 enrolled patients with IS, microbial etiology was confirmed in 15 (78.9%) patients. All patients were treated with antibiotics for a median of 42 days, and no therapy failure was observed. Next, a significant S-CRP decrease during the follow-up was observed, whereas the frequencies of Tregs remained higher than those of controls at all time points (p < 0.001). In addition, Tregs demonstrated a weak negative correlation with S-CRP and S-CrossLap levels were within the norm at all time points. Circulating Tregs were elevated in patients with IS and this elevation persisted even after the completion of antibiotic therapy. Moreover, this elevation was not associated with treatment failure, altered T cells, or increased markers of bone resorption.
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Affiliation(s)
- Simona Arientová
- Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, Czech Republic.
| | - Ondřej Beran
- Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, Czech Republic
| | - Kateřina Matúšková
- Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, Czech Republic
| | - Alžběta Stráníková
- Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, Czech Republic
| | - Michal Holub
- Department of Infectious Diseases, First Faculty of Medicine, Charles University and Military University Hospital Prague, Czech Republic
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Ģībietis V. Epidural Abscesses as a Complication of Interleukin-6 Inhibitor and Dexamethasone Treatment in a Patient with COVID-19 Pneumonia: A Case Report. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59040771. [PMID: 37109729 PMCID: PMC10142626 DOI: 10.3390/medicina59040771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/05/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023]
Abstract
A 66-year-old female patient was hospitalized with severe COVID-19 pneumonia, which led to hypoxia requiring oxygen support with high-flow nasal cannulae. She received anti-inflammatory treatment with a 10-day dexamethasone 6 mg PO course and a single infusion of IL-6 monoclonal antibody tocilizumab 640 mg IV. Treatment led to gradual reduction of oxygen support. However, on Day 10, she was found to have Staphylococcus aureus bacteremia with epidural, psoas, and paravertebral abscesses as the source. Targeted history taking revealed a dental procedure for periodontitis 4 weeks prior to hospitalization as the probable source. She received an 11-week antibiotic treatment, which led to resolution of the abscesses. This case report highlights the importance of individual infection risk assessment before the initiation of immunosuppressive treatment for COVID-19 pneumonia.
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Affiliation(s)
- Valdis Ģībietis
- Pauls Stradiņš Clinical University Hospital, 13 Pilsoņu iela, LV-1002 Riga, Latvia
- Department of Internal Diseases, Riga Stradiņš University, 16 Dzirciema iela, LV-1007 Riga, Latvia
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Lacasse M, Derolez S, Bonnet E, Amelot A, Bouyer B, Carlier R, Coiffier G, Cottier JP, Dinh A, Maldonado I, Paycha F, Ziza JM, Bemer P, Bernard L. 2022 SPILF - Clinical Practice guidelines for the diagnosis and treatment of disco-vertebral infection in adults. Infect Dis Now 2023; 53:104647. [PMID: 36690329 DOI: 10.1016/j.idnow.2023.01.007] [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] [Received: 12/08/2022] [Revised: 12/12/2022] [Accepted: 01/10/2023] [Indexed: 01/22/2023]
Abstract
These guidelines are an update of those made in 2007 at the request of the French Society of Infectious Diseases (SPILF, Société de Pathologie Infectieuse de Langue Française). They are intended for use by all healthcare professionals caring for patients with disco-vertebral infection (DVI) on spine, whether native or instrumented. They include evidence and opinion-based recommendations for the diagnosis and management of patients with DVI. ESR, PCT and scintigraphy, antibiotic therapy without microorganism identification (except for emergency situations), therapy longer than 6 weeks if the DVI is not complicated, contraindication for spinal osteosynthesis in a septic context, and prolonged dorsal decubitus are no longer to be done in DVI management. MRI study must include exploration of the entire spine with at least 2 orthogonal planes for the affected level(s). Several disco-vertebral samples must be performed if blood cultures are negative. Short, adapted treatment and directly oral antibiotherapy or early switch from intravenous to oral antibiotherapy are recommended. Consultation of a spine specialist should be requested to evaluate spinal stability. Early lifting of patients is recommended.
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Affiliation(s)
- M Lacasse
- Medecine Interne et Maladies Infectieuses, 2 Bd Tonnelé, CHU Bretonneau, 37044 Tours Cedex 09, France
| | - S Derolez
- Rhumatologie, 125 rue de Stalingrad, CHU Avicenne, 93000 Bobigny, France
| | - E Bonnet
- Maladies Infectieuses, Pl. Dr Baylac, CHU Purpan, 31000 Toulouse, France.
| | - A Amelot
- Neurochirurgie, 2 Bd Tonnelé, CHU Bretonneau, 37044 Tours Cedex 09, France
| | - B Bouyer
- Chirurgie orthopédique et traumatologique, CHU de Bordeaux, Place Amélie Raba-léon, 33076 Bordeaux, France
| | - R Carlier
- Imagerie, Hôpital Raymond Poincaré, 104 Bd R Poincaré, 92380 Garches, France
| | - G Coiffier
- Rhumatologie, GH Rance-Emeraude, Hôpital de Dinan, 22100 Dinan, France
| | - J P Cottier
- Radiologie, 2 Bd Tonnelé, CHU Bretonneau, 37044 Tours Cedex 09, France
| | - A Dinh
- Maladies Infecteiuses, CHU Raymond Poicaré, 92380 Garches, France
| | - I Maldonado
- Radiologie, 2 Bd Tonnelé, CHU Bretonneau, 37044 Tours Cedex 09, France
| | - F Paycha
- Médecine Nucléaire, Hôpital Lariboisière, 2 rue Ambroise Paré 75010 Paris, France
| | - J M Ziza
- Rhumatologie et Médecine Interne. GH Diaconesses Croix Saint Simon, 75020 Paris, France
| | - P Bemer
- Microbiologie, CHU de Nantes, 1 Place A. Ricordeau, Nantes 44000 Cedex 1, France
| | - L Bernard
- Medecine Interne et Maladies Infectieuses, 2 Bd Tonnelé, CHU Bretonneau, 37044 Tours Cedex 09, France
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Popovici GC, Georgescu CV, Arbune AA, Vasile MC, Olteanu I, Arbune M. Post-COVID-19 Spondylodiscitis: A Case Study and Review of the Literature. Medicina (B Aires) 2023; 59:medicina59030616. [PMID: 36984617 PMCID: PMC10059316 DOI: 10.3390/medicina59030616] [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: 02/25/2023] [Revised: 03/12/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
COVID-19 is currently a major health problem, leading to respiratory, cardiovascular and neurological complications, with additional morbidity and mortality. Spinal infections are rare, representing around 1% of all bone infections and comprising less than 2 per 10,000 of all hospitalizations in tertiary care centers. Spondylodiscitis is a complex disease, with challenging diagnosis and management. We report the case of a 45-year-old man, non-smoker hospitalized for severe COVID-19 disease with respiratory failure. Post-COVID-19, in the 8th week after discharge, he was diagnosed by magnetic resonance imaging with spondylodiscitis, but etiology was not confirmed by microbiological investigations. Antibiotics were used, considering the identification of MRSA from cultures of pleural fluid and nasal swab, but surgical intervention was not provided. Clinic, biologic and imagistic were improved, but rehabilitation and long term follow up are necessary. We concluded that spondylodiscitis with spinal abscess is a rare but severe complication post-COVID-19 disease, due to dysbalanced immune response related to the respiratory viral infection, endothelial lesions, hypercoagulation and bacterial superinfection.
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Affiliation(s)
- George-Cosmin Popovici
- School for Doctoral Studies in Biomedical Sciences “Dunarea de Jos” University from Galati, 800008 Galati, Romania
- Pneumophtiziology Hospital Galati, 800189 Galati, Romania
| | - Costinela-Valerica Georgescu
- Pharmaceutical Sciences Department “Dunarea de Jos” University from Galati, 800008 Galati, Romania
- Gynecology and Obstetrics Clinic Hospital Galati, 544886 Galati, Romania
- Correspondence: (C.-V.G.); (A.-A.A.)
| | - Anca-Adriana Arbune
- Neurology Department Clinic Institute Fundeni Bucharest, 022328 Bucharest, Romania
- Correspondence: (C.-V.G.); (A.-A.A.)
| | - Mihaela-Camelia Vasile
- School for Doctoral Studies in Biomedical Sciences “Dunarea de Jos” University from Galati, 800008 Galati, Romania
- Clinic Hospital for Infectious Diseases Galati, 800179 Galati, Romania
| | - Ionut Olteanu
- Emergency University Clinic Hospital Bucharest, 050474 Bucharest, Romania
| | - Manuela Arbune
- Clinic Hospital for Infectious Diseases Galati, 800179 Galati, Romania
- Medical Clinic Department “Dunarea de Jos” University from Galati, 800008 Galati, Romania
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Zhong D, Ke Z, Wang L, Liu Y, Lin L, Zeng W, Zhou W, Wang Y. Comparative Clinical Efficacy and Safety of Sacral-2-Alar Iliac Screw Versus Iliac Screw in the Lumbosacral Reconstruction of Spondylodiscitis. World Neurosurg 2023; 171:e237-e244. [PMID: 36496146 DOI: 10.1016/j.wneu.2022.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/01/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVE This study aimed to evaluate the clinical efficacy and safety of S2-alar-iliac (S2AI) and iliac screw (IS) techniques in treating lumbosacral spondylodiscitis. METHODS Between January 2020 and January 2022, 28 patients suffering from lumbosacral spondylodiscitis underwent lumbosacral fixation and were divided into the IS group (14 patients) and the S2AI group (14 patients). Surgical details, demographic characteristics, preoperative and postoperative Oswestry Disability Index, visual analog scale, and complications were analyzed. RESULTS Twenty-eight patients were included in this study, including 14 patients treated with IS and 14 patients treated with S2AI. The 2 groups were similar in sex, age, follow-up period, total drainage volume, hospitalization stay, and fusion time. (P > 0.05) The estimated blood loss and surgical time of S2AI during surgery were significantly lower than those of IS. (P < 0.05) The visual analog scale and Oswestry Disability Index scores significantly improved in both groups from preoperative to the last follow-up. Sacroiliac joint pain was found in both groups in the follow-up period, but the incidence was not significantly different (P = 0.663). Compared with the IS approach, the incidence of symptomatic screw prominence was lower in the S2AI group, but the difference was not significant. (P = 0.088). CONCLUSIONS S2AI, as well as IS techniques, can achieve promising results for reconstructing lumbosacral stability in spondylodiscitis. In addition, the S2AI technique can also reduce surgical trauma and operation time.
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Affiliation(s)
- Dian Zhong
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - ZhenYong Ke
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - LiYuan Wang
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yang Liu
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Lu Lin
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wei Zeng
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - WenYi Zhou
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yang Wang
- Department of Orthopedic Surgery, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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Koike Y, Kai R, Abe R, Munechika J, Ohgiya Y. Outcomes of C-arm cone-beam CT-guided percutaneous procedures for thoracolumbar spondylodiscitis: a comparison between with and without intradiscal drainage. MINIM INVASIV THER 2023; 32:81-89. [PMID: 36780294 DOI: 10.1080/13645706.2023.2174806] [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: 02/14/2023]
Abstract
INTRODUCTION Percutaneous intradiscal drainage had little established evidence to date. We assessed the outcomes of C-arm cone-beam CT-guided (CBCT-guided) procedures for spondylodiscitis and compare procedures with and without intradiscal drainage. MATERIAL AND METHODS A retrospective review was conducted on patients who underwent CBCT-guided procedures for spondylodiscitis with fluid collection in the intradiscal space between January 2010 and September 2021. Included patients were divided into two groups: with and without 'intradiscal drainage' (ID and non-ID, respectively). RESULTS A total of 87 patients with thoracolumbar discitis (mean age 73.4 ± 12.3 years, 35 females) were included. There was no significant difference in clinical outcomes between groups. Although insignificant, a subgroup analysis of patients with discitis and psoas abscess showed a higher infection control success rate (81% (17/21) vs 58% (7/12), p = .23) and faster median C-reactive protein improvement (CRP <3 mg/dL: 12 vs 42 days, p = .11, CRP <1 mg/dL: 27 vs 45 days, p = .097) of ID than of non-ID. CONCLUSIONS Findings did not clarify the role of intradiscal drainage when it was indicated in all cases of spondylodiscitis with fluid collection. Future studies with larger sample sizes of selected discitis cases are expected to demonstrate the superiority of intradiscal drainage.
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Affiliation(s)
- Yuya Koike
- Division of Radiology, Department of Radiology, Showa University School of Medicine, Tokyo, Japan.,Department of Interventional Radiology, Saiseikai Yokohamashi Nanbu Hospital, Kanagawa, Japan
| | - Ryozo Kai
- Division of Radiology, Department of Radiology, Showa University School of Medicine, Tokyo, Japan
| | - Ryosuke Abe
- Division of Radiology, Department of Radiology, Showa University School of Medicine, Tokyo, Japan
| | - Jiro Munechika
- Division of Radiology, Department of Radiology, Showa University School of Medicine, Tokyo, Japan
| | - Yoshimitsu Ohgiya
- Division of Radiology, Department of Radiology, Showa University School of Medicine, Tokyo, Japan
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Jamir I, Biswas R, Gulati R, Kumar P, Radjendirane A. Intra-spinal abscess due to Bacteroides fragilis and Klebsiella pneumoniae co-infection in a child with spinal dysraphism. Anaerobe 2023; 79:102673. [PMID: 36503026 DOI: 10.1016/j.anaerobe.2022.102673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/25/2022] [Accepted: 11/27/2022] [Indexed: 12/13/2022]
Abstract
Bacteroides fragilis (B. fragilis) is an uncommon cause of spinal abscess. We present a case of an 18-month-old child, with spinal dysraphism-Spina bifida occulta, who developed intra-spinal abscess infection with B. fragilis and Klebsiella pneumoniae. Magnetic resonance imaging (MRI) of the brain and spine showed multiple abscesses extending through the presacral fistula into the spinal cord. Patient was surgically treated along with administration of antimicrobial agents (ceftriaxone and metronidazole), resulting in an excellent clinical outcome.
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Affiliation(s)
- Imola Jamir
- Department of Microbiology, JIPMER, Puducherry, India
| | - Rakhi Biswas
- Department of Microbiology, JIPMER, Puducherry, India.
| | - Reena Gulati
- Department of Paediatrics, JIPMER, Puducherry, India
| | - Pradeep Kumar
- Department of Microbiology, JIPMER, Puducherry, India
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ACDF versus corpectomy in octogenarians with cervical epidural abscess: early complications and outcomes with 2 years of follow-up. Acta Neurochir (Wien) 2023; 165:875-882. [PMID: 36629954 PMCID: PMC10068646 DOI: 10.1007/s00701-023-05488-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 01/01/2023] [Indexed: 01/12/2023]
Abstract
PURPOSE Cervical spinal epidural abscess (CSEA) is a rare condition, manifesting as rapid neurological deterioration and leading to early neurological deficits. Its management remains challenging, especially in patients older than 80 years. Therefore, we aimed to compare the clinical course and determine morbidity and mortality rates after anterior cervical discectomy and fusion (ACDF) versus corpectomy in octogenarians with ventrally located CSEA at two levels. METHODS In this single-center retrospective review, we obtained the following from electronic medical records between September 2005 and December 2021: patient demographics, surgical characteristics, complications, hospital clinical course, and 90-day mortality rate. Comorbidities were assessed using the age-adjusted Charlson comorbidity index (CCI). RESULTS Over 16 years, 15 patients underwent ACDF, and 16 patients underwent corpectomy with plate fixation. Between the two groups, patients who underwent corpectomy had a significantly poorer baseline reserve (9.0 ± 2.6 vs. 10.8 ± 2.7; p = 0.004) and had a longer hospitalization period (16.4 ± 13.1 vs. 10.0 ± 5.3 days; p = 0.004) since corpectomy lasted significantly longer (229.6 ± 74.9 min vs. 123.9 ± 47.5 min; p < 0.001). Higher in-hospital and 90-day mortality and readmission rates were observed in the corpectomy group, but the difference was not statistically significant. Both surgeries significantly improved blood infection parameters and neurological status at discharge. Revision surgery due to pseudoarthrosis was required in two patients after corpectomy. CONCLUSIONS We showed that both ACDF and corpectomy for ventrally located CSEA can be considered as safe treatment strategies for patients aged 80 years and above. However, the surgical approach should be carefully weighed and discussed with the patients and their relatives.
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Yang S, Xue B, Hu X, Zhou W, Zhang M, Zhao M. Spinal infection caused by Coxiella burnetii. BMC Infect Dis 2023; 23:6. [PMID: 36609227 PMCID: PMC9817394 DOI: 10.1186/s12879-022-07938-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 12/08/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Spinal infection caused by Coxiella burnetii is rare and difficult to diagnose. Here we reported a case of spinal infection from Coxiella burnetii detected by the metagenomic next-generation sequencing (mNGS). CASE PRESENTATION A 66-year-old male farmer with no medical history reported severe sharp low back pain, numbness and lower limb weakness for three years. Magnetic resonance imaging (MRI) revealed bone destruction and spinal cord compression within L1 and L2. mNGS testing showed that the inspected specimen collected from spinal lesion was detected positively for Coxiella burnetii. After receiving the combined treatment of antibiotic therapy and surgical intervention, the patient recovered well, and the sagittal MRI showed that vertebral edema signals disappeared and the graft of bone fused 16 months after surgery. CONCLUSION The mNGS may be benefit for early diagnosis and intervention of non-specific spinal infection, and future studies should validate its effectiveness for clinical use in spinal infections. Additionally, antibiotic therapy combined with surgical intervention plays an important role on the treatment of spinal infection caused by Coxiella burnetii.
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Affiliation(s)
- Sumin Yang
- Department of Orthopedics, Qingdao Chest Hospital, No. 896 Chongqing Road, Qingdao City, Shandong Province 266043 China
| | - Bai Xue
- grid.469553.80000 0004 1760 3887Qingdao Municipal Centre for Disease Control and Prevention, Qingdao Institute of Prevention Medicine, Qingdao, Shandong Province China
| | - Xiaowen Hu
- grid.469553.80000 0004 1760 3887Qingdao Municipal Centre for Disease Control and Prevention, Qingdao Institute of Prevention Medicine, Qingdao, Shandong Province China
| | - Weidong Zhou
- Department of Orthopedics, Qingdao Chest Hospital, No. 896 Chongqing Road, Qingdao City, Shandong Province 266043 China
| | - Minglei Zhang
- Department of Orthopedics, Qingdao Chest Hospital, No. 896 Chongqing Road, Qingdao City, Shandong Province 266043 China
| | - Mingwei Zhao
- Department of Orthopedics, Qingdao Chest Hospital, No. 896 Chongqing Road, Qingdao City, Shandong Province 266043 China
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Dietz N, Sharma M, Adams S, Ugiliweneza B, Wang D, Bjurström MF, Karikari I, Drazin D, Boakye M. Health Care Utilization and Associated Economic Burden of Postoperative Surgical Site Infection after Spinal Surgery with Follow-Up of 24 Months. J Neurol Surg A Cent Eur Neurosurg 2023; 84:21-29. [PMID: 33845504 DOI: 10.1055/s-0040-1720984] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND Surgical site infection (SSI) may lead to vertebral osteomyelitis, diskitis, paraspinal musculoskeletal infection, and abscess, and remains a significant concern in postoperative management of spinal surgery. SSI is associated with greater postoperative morbidity and increased health care payments. METHODS We conducted a retrospective analysis using MarketScan to identify health care utilization payments and risk factors associated with SSI that occurs postoperatively. Known patient- or procedure-related risk factors were searched across those receiving spine surgery who developed postoperative infection. RESULTS A total of 33,061 patients who developed infection after spinal surgery were identified in Marketscan. Overall payments at 6 months, including index hospitalization for those with infection, were $53,573 and $46,985 for the cohort with no infection. At 24 months, the infection group had overall payments of $83,280 and $66,221 for no infection. Risk factors with largest effect size most likely to contribute to infection versus no infection were depression (4.6%), diabetes (3.7), anemia (3.3%), two or more levels (2.8%), tobacco use (2.2%), trauma (2.1%), neoplasm (1.8%), congestive heart failure (1.3%), instrumentation (1.1%), renal failure (0.9%), intravenous drug use (0.8%), and malnutrition (0.5%). CONCLUSIONS SSIs were associated with significant health care utilization payments at 24 months of follow-up. The following clinical and procedural risk factors appear to be predictive of postoperative SSI: depression, diabetes, anemia, two or more levels, tobacco use, trauma, neoplasm, congestive heart failure, instrumentation, renal failure, intravenous drug use, and malnutrition. Interpretation of modifiable and nonmodifiable risk factors for infection informs surgeons of expected postoperative course and preoperative risk for this most common and deleterious postoperative complication to spinal surgery.
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Affiliation(s)
- Nicholas Dietz
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, United States
| | - Mayur Sharma
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, United States
| | - Shawn Adams
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, United States
| | - Beatrice Ugiliweneza
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, United States
| | - Dengzhi Wang
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, United States
| | - Martin F Bjurström
- Department of Anesthesiology and Intensive Care, Skane University Hospital, Lund, Sweden
| | - Isaac Karikari
- Department of Neurosurgery, Duke University, Durham, North Carolina, United States
| | - Doniel Drazin
- Department of Neurosurgery, Pacific Northwest University of Health Sciences, Yakima, Washington, United States
| | - Max Boakye
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, United States
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Marruzzo D, Mancini F, Ricciuti V, Barbieri FR, Preziosi R, Pagano S, Ricciuti RA. Modified percutaneous biopsy of the spine: improvement of the technique. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2023; 32:221-227. [PMID: 36477894 DOI: 10.1007/s00586-022-07384-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 09/04/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE Biopsy of the spine can be performed by open surgery or percutaneous needle sampling. The first has the highest diagnostic yield while the second is a less invasive procedure with lower rate of complications and shorter hospitalization time. We described a modified technique of percutaneous biopsy using semi-rigid grasping forceps that may offer the advantages of both, open and minimally invasive surgery. METHODS Thirty consecutive patients with spinal lesions requiring biopsy were admitted to Neurosurgical Unit of Belcolle Hospital (Viterbo, Italy) from January 2017 to September 2021. There was a suspicion of spondylodiscitis in 25 cases and of tumor in 5 cases. Percutanous trans-pedicular spine biopsy has been performed using this new semi-rigid grasping forceps. Combining the opening width, jaw length and full 360° rotation, the device allows a wide and precise sampling. RESULTS Sampling was sufficient in all cases (100%); tumors was observed in 5 cases (16.7%%) with a percentage of definitive histopathologic diagnosis of 100% (n = 5); among the remaining patients histological examination yielded a diagnosis of spinal infection in 25 cases (100%), and microbiologic culture provided an aetiologic diagnosis in 23 cases (92%). All procedures were well tolerated, and no postoperative complications were observed. Levels involved included: thoracic (T5-T9) in 8 cases, thoracolumbar junction (T10-L2) in 12 cases and lumbar (L3-L5) in 10 cases. CONCLUSIONS Percutaneous biopsy with the semi-rigid grasping forceps is a safe and effective procedure that can be used for diagnosis of both infectious and tumor lesions of the spine. It allows to obtain a larger specimen volume and to use a multidirectional trajectory for sampling, resulting in a minimally invasive technique with strong ability to yield etiologic diagnosis.
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Lim S, Yoo YM, Kim KH. No more tears from surgical site infections in interventional pain management. Korean J Pain 2023; 36:11-50. [PMID: 36581597 PMCID: PMC9812697 DOI: 10.3344/kjp.22397] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/31/2022] Open
Abstract
As the field of interventional pain management (IPM) grows, the risk of surgical site infections (SSIs) is increasing. SSI is defined as an infection of the incision or organ/space that occurs within one month after operation or three months after implantation. It is also common to find patients with suspected infection in an outpatient clinic. The most frequent IPM procedures are performed in the spine. Even though primary pyogenic spondylodiscitis via hematogenous spread is the most common type among spinal infections, secondary spinal infections from direct inoculation should be monitored after IPM procedures. Various preventive guidelines for SSI have been published. Cefazolin, followed by vancomycin, is the most commonly used surgical antibiotic prophylaxis in IPM. Diagnosis of SSI is confirmed by purulent discharge, isolation of causative organisms, pain/tenderness, swelling, redness, or heat, or diagnosis by a surgeon or attending physician. Inflammatory markers include traditional (C-reactive protein, erythrocyte sedimentation rate, and white blood cell count) and novel (procalcitonin, serum amyloid A, and presepsin) markers. Empirical antibiotic therapy is defined as the initial administration of antibiotics within at least 24 hours prior to the results of blood culture and antibiotic susceptibility testing. Definitive antibiotic therapy is initiated based on the above culture and testing. Combination antibiotic therapy for multidrug-resistant Gram-negative bacteria infections appears to be superior to monotherapy in mortality with the risk of increasing antibiotic resistance rates. The never-ending war between bacterial resistance and new antibiotics is continuing. This article reviews prevention, diagnosis, and treatment of infection in pain medicine.
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Affiliation(s)
- Seungjin Lim
- Division of Infectious Diseases, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Yeong-Min Yoo
- Department of Anesthesia and Pain Medicine, School of Medicine, Pusan National University, Yangsan, Korea
| | - Kyung-Hoon Kim
- Department of Anesthesia and Pain Medicine, School of Medicine, Pusan National University, Yangsan, Korea,Correspondence: Kyung-Hoon Kim Pain Clinic, Pusan National University Yangsan Hospital, 20 Geumo-ro, Mulgeum-eup, Yangsan 50612, Korea, Tel: +82-55-360-1422, Fax: +82-55-360-2149, E-mail:
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Pi YW, Gong Y, Jiang JJ, Zhu DJ, Tong YX, Jiang LM, Zhao DX. Extensive spinal epidural abscess caused by Staphylococcus epidermidis: A case report and literature review. Front Surg 2023; 10:1114729. [PMID: 36969757 PMCID: PMC10032522 DOI: 10.3389/fsurg.2023.1114729] [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: 12/02/2022] [Accepted: 02/20/2023] [Indexed: 03/29/2023] Open
Abstract
Background Extensive spinal epidural abscess (SEA) is an exceptional and threatening condition that requires prompt recognition and proper management to avoid potentially disastrous complications. We aimed to find key elements of early diagnosis and rational treatments for extensive SEA. Case presentation A 70-year-old man complained of intense pain in the cervical-thoracic-lumbar spine that radiated to the lower extremity. Laboratory test results revealed a marked increase in all indicators of infection. The spinal magnetic resonance imaging (MRI) revealed a ventral SEA extending from C2 to L4. Owing to the patient's critical condition, laminectomy, drainage, and systemic antibiotic therapy were administered. And the multidrug-resistant Staphylococcus epidermidis was detected in the purulent material from this abscess. Results Postoperative MRI revealed diminished epidural abscess, and the clinical symptoms were dramatically and gradually relieved after two rounds of surgery and systemic antibiotic therapy involving the combination of ceftriaxone, linezolid, and rifampicin. Conclusions A comprehensive emergency assessment based on neck or back pain, neurological dysfunctions, signs of systemic infection, and MRI are important for early diagnosis of extensive SEA. Further, the combination of laminectomy, drainage, and systemic antibiotic therapy may be a rational treatment choice for patients with SEA, especially for extensive abscess or progressive neurological dysfunction.
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Konovalov NA, Onoprienko RA, Brinyuk ES, Kaprovoy SV, Shults MA, Shishkina LV, Stepanov IA. [Intramedullary cervical abscess: a case report and literature review]. ZHURNAL VOPROSY NEIROKHIRURGII IMENI N. N. BURDENKO 2023; 87:77-83. [PMID: 36763557 DOI: 10.17116/neiro20238701177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Intramedullary abscesses of the spinal cord are the rarest form of infectious lesions of the central nervous system. We report surgical treatment of a patient with intramedullary cervical abscess caused by L. monocytogenes. Features of this case are absence of primary purulent focus and atypical infectious agent. The patient underwent surgical treatment for intramedullary cervical abscess and subsequent antimicrobial therapy. Subtotal regression of neurological symptoms was noted in early postoperative period. The authors emphasize strict collegial decision-making regarding diagnosis of this disease and choice of optimal treatment strategy.
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Affiliation(s)
| | | | - E S Brinyuk
- Burdenko Neurosurgical Center, Moscow, Russia
| | | | - M A Shults
- Burdenko Neurosurgical Center, Moscow, Russia
| | | | - I A Stepanov
- Irkutsk State Medical University, Irkutsk, Russia
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Blanco C, Moral M, Minguez JJ, Lorenzo V. Clinical Presentation, MRI Characteristics, and Outcome of Conservative or Surgical Management of Spinal Epidural Empyema in 30 Dogs. Animals (Basel) 2022; 12:ani12243573. [PMID: 36552493 PMCID: PMC9774607 DOI: 10.3390/ani12243573] [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: 11/02/2022] [Revised: 12/06/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Spinal epidural empyema (SEE) represents a neurological emergency in veterinary medicine, but information on this condition is limited to date. This retrospective case series study describes the clinical and magnetic resonance imaging (MRI) features, and the outcome of conservative or surgical management of SEE in 30 dogs diagnosed with SEE from September 2015 to March 2020 at one referral neurology centre. The most frequent clinical sign was pain 28/30 (93%), and 22/30 (73%) showed neurological signs with ambulatory paraparesis/tetraparesis 15/30 (50%), monoparesis 1/30 (3.3%), non-ambulatory paraparesis 3/30 (10%), or paraplegia 3/30 (10%). MRI was valuable for the diagnosis and in the follow-up. In this group of dogs, 24/30 (80%) were conservatively treated and 6/30 (20%) were surgically treated. The outcome was considered favourable in all dogs: 20/30 (66.6%) achieved full recovery (3 surgically treated and 17 medically treated) and 10/30 (33.3%) dogs had an improvement in the neurological signs with residual ambulatory paresis (3 surgically treated and 7 medically treated). Surgical treatment showed better short-term (7 days) outcomes than medical treatment in non-ambulatory paraparetic or paraplegic dogs (33%). Nevertheless, this study suggests that a good recovery may be achieved with conservative treatment even for non-ambulatory or paraplegic dogs. Further prospective studies, with a standardised protocol of diagnostic tests and a homogeneous distribution of conservatively and surgically treated dogs, are needed to establish treatment guidelines.
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Affiliation(s)
- Carlos Blanco
- Neurología Veterinaria, Calle Diseño n 26, 28906 Getafe, Spain
- Correspondence:
| | - Meritxell Moral
- Neurología Veterinaria, Calle Diseño n 26, 28906 Getafe, Spain
| | - Juan José Minguez
- Scarsdale Vets-Pride Veterinary Centre, Riverside Road, Derby DE24 8HX, UK
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Kreutzträger M, Lübstorf T, Ekkernkamp A, Blex C, Schwab JM, Kopp MA, Auhuber T, Wüstner G, Liebscher T. Spinal infection with intraspinal abscess or empyema and acute myelopathy: comparative analysis of diagnostics, therapy, complications and outcome in primary care. Eur J Trauma Emerg Surg 2022; 48:4745-4754. [PMID: 35657387 PMCID: PMC9712376 DOI: 10.1007/s00068-022-02001-1] [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: 12/16/2021] [Accepted: 05/06/2022] [Indexed: 11/24/2022]
Abstract
INTRODUCTION This study on pyogenic spinal infections with intraspinal epidural involvement (PSI +) compared the outcome of patients with spinal cord injury (SCI) to those without (noSCI) taking diagnostic algorithm, therapy, and complications into account. METHODS Patients were enrolled in an ambispective study (2012-2017). Diagnostic and therapeutic algorithms, complications, and neurological outcome were analyzed descriptively. Survival was analyzed applying Kaplan-Meier method and Cox regression. RESULTS In total, 134 patients with a median (IQR) age of 72 (61-79) years were analyzed. Baseline characteristics were similar between the SCI (n = 55) and noSCI (n = 79). A higher percentage of endocarditis (9% vs. 0%; p = 0.03) was detected in the noSCI group. The majority (81%) received combinatorial therapy including spinal surgery and antibiotic treatment. The surgery complication rate was 16%. At discharge, improvement in neurologic function was present in 27% of the SCI patients. Length of stay, duration of ventilation and the burden of disease-associated complications were significantly higher in the SCI group (e.g., urinary tract infection, pressure ulcers). Lethality risk factors were age (HR 1.09, 95% CI 1.02-1.16, p = 0.014), and empyema/abscess extension (≥ 3 infected spinal segments, HR 4.72, 95% CI 1.57-14.20, p = 0.006), dominating over additional effects of Charlson comorbidity index, SCI, and type of treatment. The overall lethality rate was 11%. CONCLUSION PSI + are associated with higher in-hospital mortality, particularly when multiple spinal segments are involved. However, survival is similar with (SCI) or without myelopathy (noSCI). If SCI develops, the rate of disease complications is higher and early specialized SCI care might be substantial to reduce complication rates.
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Affiliation(s)
- Martin Kreutzträger
- Treatment Centre for Spinal Cord Injuries, BG Hospital Unfallkrankenhaus Berlin, Trauma Hospital Berlin, Warener Straße 7, 12683, Berlin, Germany.
- Department of Neurology and Experimental Neurology, Spinal Cord Injury Research, Charité - Universitätsmedizin Berlin, Berlin, Germany.
| | - Tom Lübstorf
- Department of Neurology and Experimental Neurology, Spinal Cord Injury Research, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Axel Ekkernkamp
- Trauma Surgery and Orthopedics Clinic, BG Hospital Unfallkrankenhaus, Berlin, Germany
| | - Christian Blex
- Department of Neurology and Experimental Neurology, Spinal Cord Injury Research, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Jan M Schwab
- Department of Neurology and Experimental Neurology, Spinal Cord Injury Research, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Spinal Cord Injury Division, Department of Neurology, Belford Center for Spinal Cord Injury, The Ohio State University, Wexner Medical Center, Columbus, OH, 43210, USA
- Department of Neuroscience, The Neurological Institute, The Ohio State University, Wexner Medical Center, Columbus, OH, 43210, USA
- Department of Physical Medicine and Rehabilitation, The Neurological Institute, The Ohio State University, Wexner Medical Center, Columbus, OH, 43210, USA
| | - Marcel A Kopp
- Department of Neurology and Experimental Neurology, Spinal Cord Injury Research, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, QUEST - Center for Transforming Biomedical Research, Berlin, Germany
| | - Thomas Auhuber
- Medical Management, Trauma Hospital Berlin, Berlin, Germany
- University of the German Statutory Accident Insurance (HGU), Bad Hersfeld, Germany
| | - Grit Wüstner
- BG Hospital Unfallkrankenhaus Berlin, Berlin, Germany
| | - Thomas Liebscher
- Treatment Centre for Spinal Cord Injuries, BG Hospital Unfallkrankenhaus Berlin, Trauma Hospital Berlin, Warener Straße 7, 12683, Berlin, Germany
- Department of Neurology and Experimental Neurology, Spinal Cord Injury Research, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Vetkas A, Mitt P, Tikk R. Spontaneous spondylodiscitis and epidural abscess due to Listeria monocytogenes in a middle-aged patient with gentamicin related side effects: A case report and a review of literature. BRAIN & SPINE 2022; 2:101696. [PMID: 36605384 PMCID: PMC9808438 DOI: 10.1016/j.bas.2022.101696] [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] [Received: 05/23/2022] [Revised: 08/28/2022] [Accepted: 11/23/2022] [Indexed: 11/26/2022]
Abstract
Introduction Primary spondylodiscitis due to Listeria monocytogenes (LM) is a rare condition. Research question We present a case of spontaneous LM spondylodiscitis with an epidural abscess in a middle-aged man, who reported no gastrointestinal infection. Material and methods We identified 5 spinal infection cases due to LM in the literature, with 3 diagnosed as primary spondylodiscitis. Results The patient was treated with surgical decompression, debridement, and antibiotic therapy. Blood cultures remained negative throughout the case and microbiological cultures were obtained during surgery. The patient developed side-effects of prolonged gentamicin therapy but made a recovery from his spinal complaints at 6-months follow-up. Listeriosis is a relatively rare food-borne disease with a wide spectrum of presentation. Surgeons should consider more aggressive therapy for spinal infections and recognize the uncommon manifestations. We identified 3 primary and 2 secondary LM spondylodiscitis cases in the literature. Antibacterial treatment of LM spondylodiscitis varied in agents and duration, but no side-effects were previously reported. Gentamicin treatment requires care and attention to complications. Discussion and conclusion Listeria monocytogenes is a rare cause of primary spondylodiscitis. Further studies are needed to establish a safe treatment protocol for treatment with gentamicin and LM spondylodiscitis.
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Affiliation(s)
- Artur Vetkas
- Tartu University Hospital, Tartu, Estonia,Division of Neurosurgery, Toronto Western Hospital, University Health Network, University of Toronto, Estonia,Corresponding author. Tartu University Hospital, 8 L. Puusepa St, Tartu, 50406, Estonia.
| | - Piret Mitt
- Tartu University Hospital, Tartu, Estonia,Tartu University, Tartu, Estonia
| | - Reet Tikk
- Tartu University Hospital, Tartu, Estonia,Tartu University, Tartu, Estonia
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Lenga P, Gülec G, Bajwa AA, Issa M, Kiening K, Unterberg AW, Ishak B. Surgical Management of Spinal Epidural Abscess in Elderly Patients: A Comparative Analysis Between Patients 65-79 Years and ≥80 Years with 3-Year Follow-Up. World Neurosurg 2022; 167:e795-e805. [PMID: 36041723 DOI: 10.1016/j.wneu.2022.08.095] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Recently, the incidence of pyogenic vertebral osteomyelitis with spinal epidural abscess (SEA) has increased. However, the most appropriate surgical management remains debatable, especially for older patients. This study aimed to compare the clinical course in older patients aged between 65 and 79 years and those 80 years or older undergoing surgery for SEA. METHODS Data on patient demographics, surgical characteristics, complications, hospital clinical course, and 90-day mortality of patients diagnosed with pyogenic vertebral osteomyelitis and SEA between September 2005 and December 2021 were collected. Comorbidities were assessed using the age-adjusted Charlson comorbidity index. RESULTS We enrolled 45 patients aged 65-79 years and 32 patients ≥80 years. Patients ≥80 years had significantly higher rates of Charlson comorbidity index (9.2 ± 2.4) than younger patients (6.5 ± 2.5; P < 0.001). Arterial hypertension, renal failure, and dementia were significantly more prevalent in octogenarians (P < 0.05). Patients aged ≥80 years had a significantly longer length of hospitalization, while the intensive care unit stay was similar between groups. In-hospital mortality was significantly greater in those ≥80 years (n = 3, 9.4% vs. n = 0, 0.0%; P = 0.029), whereas no differences in 90-day mortality or 30-day readmission were observed. In the second-stage analysis, significant improvements in blood infection parameters and neurologic status were detected in both groups. Of adverse events, pneumonia occurred significantly more frequently in patients aged ≥80 years. CONCLUSIONS Surgical management leads to significant improvements in both laboratory and clinical parameters in older patients. Nevertheless, a personalized medical approach is mandatory in frail patients, especially octogenarians. A clear discussion regarding the potential risk is unambiguously recommended.
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Affiliation(s)
- Pavlina Lenga
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany.
| | - Gelo Gülec
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Awais Akbar Bajwa
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Mohammed Issa
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Karl Kiening
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Andreas W Unterberg
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Basem Ishak
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
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Zhang Y, Chen J, Yi X, Chen Z, Yao T, Tang Z, Zang G, Cao X, Lian X, Chen X. Evaluation of the metagenomic next-generation sequencing performance in pathogenic detection in patients with spinal infection. Front Cell Infect Microbiol 2022; 12:967584. [PMID: 36389162 PMCID: PMC9646980 DOI: 10.3389/fcimb.2022.967584] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 10/03/2022] [Indexed: 12/01/2023] Open
Abstract
Spinal infection is a rarely occurred pathology, whose diagnosis remains a major challenge due to the low sensitivity of culturing techniques. Metagenomic next-generation sequencing (mNGS) is a novel approach to identify the pathogenic organisms in infectious diseases. In this study, mNGS technology was adopted for pathogenic detection in spinal infection from the tissue and pus samples. Additionally, the diagnostic performance of mNGS for spinal infection was evaluated, by comparing it with that of the conventional microbial culture, with the histopathological results as the gold standard. Overall, 56 samples from 38 patients were enrolled for mNGS testing, and 69 samples were included for microbial culture. 30 patients (78.95%) were identified to be positive by the mNGS method, which was higher than that of microbial culture (17, 44.74%). The sensitivity and specificity of mNGS with pus samples were 84.2% and 100.0%, respectively, which outperformed those of microbial culture (42.1% and 100.0%). The pathogen identification results were applied to medication guidance, and all 38 patients experienced favorable outcomes at three months, followed-up post-treatment, without any adverse effects. These findings proved that mNGS was superior to microbial culture in pathogenic identification of the spinal infection, thereby showing great promise in guiding drug administration and improving clinical outcomes.
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Affiliation(s)
- Yi Zhang
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Jinmei Chen
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Xiaoli Yi
- Genoxor Medical Science and Technology Inc., Shanghai, China
| | - Zhiheng Chen
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Ting Yao
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Zhenghao Tang
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Guoqing Zang
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Xuejie Cao
- Genoxor Medical Science and Technology Inc., Shanghai, China
| | - Xiaofeng Lian
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Xiaohua Chen
- Department of Infectious Diseases, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
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Xu L, Zhou Z, Wang Y, Song C, Tan H. Improved accuracy of etiological diagnosis of spinal infection by metagenomic next-generation sequencing. Front Cell Infect Microbiol 2022; 12:929701. [PMID: 36275025 PMCID: PMC9585211 DOI: 10.3389/fcimb.2022.929701] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 09/15/2022] [Indexed: 11/24/2022] Open
Abstract
Currently, the use of metagenomic next-generation sequencing (mNGS), a new approach to identify organisms in infectious diseases, is rarely reported in the diagnosis of spinal infection. This study aimed to evaluate the potential value of mNGS in etiological diagnosis of spinal infection. In this retrospective study, the clinical data of patients with suspected spinal infection were collected by electronic medical records. Specimens obtained from each patient were tested via mNGS assay and other conventional microbiological tests (CMTs). The sensitivity and specificity of mNGS and CMTs were calculated using the final clinical diagnosis as the golden standard. In total, 108 patients were eligible for the study, with the mean length of stay of 42.8 days. Regarding the overall identification of pathogens, mNGS exhibited a better performance than CMTs, and several nontuberculous mycobacteria, fungi, and bacteria were newly discovered. In the diagnosis of spinal infection, the sensitivity, specificity, and area under the curve of mNGS were 90.72%, 81.82%, and 0.89, respectively, which were all higher than 52.17%, 56.25%, and 0.72 of the CMTs. At hospital discharge, the C-reactive protein, erythrocyte sedimentation rate, and white blood cell count of patients significantly decreased compared with hospitalization (all p < 0.05), and 88.89% showed good outcomes. These findings may suggest that mNGS has a better diagnostic accuracy in pathogenic identification of patients with suspected spinal infection, and patients treated with NGS-guided antimicrobial therapy mostly seem to have good outcomes.
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Affiliation(s)
- Liang Xu
- Department of Spinal Infection, Shandong Public Health Clinical Center, Jinan, China
| | - Zheng Zhou
- Katharine Hsu International Research Institute of Infectious Disease, Shandong Public Health Clinical Center, Jinan, China
| | - Yao Wang
- State Key Laboratory of Translational Medicine and Innovative Drug Development, Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
- Department of Medicine, Nanjing Simcere Medical Laboratory Science Co., Ltd., Nanjing, China
| | - Chao Song
- State Key Laboratory of Translational Medicine and Innovative Drug Development, Jiangsu Simcere Diagnostics Co., Ltd., Nanjing, China
- Department of Medicine, Nanjing Simcere Medical Laboratory Science Co., Ltd., Nanjing, China
| | - Hongdong Tan
- Department of Spinal Infection, Shandong Public Health Clinical Center, Jinan, China
- *Correspondence: Hongdong Tan,
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Back Pain. Neurol Clin 2022; 41:61-76. [DOI: 10.1016/j.ncl.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Li T, Wu H, Yuan J, Jia J, Wu T, Cheng X. Percutaneous endoscopic drainage for acute long segment epidural abscess following endoscopic lumbar discectomy: A case report. Front Surg 2022; 9:985666. [PMID: 36248364 PMCID: PMC9561912 DOI: 10.3389/fsurg.2022.985666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/13/2022] [Indexed: 11/19/2022] Open
Abstract
Introduction Acute epidural abscess after percutaneous endoscopic lumbar discectomy is a rare but grievous complication. When faced with a long-segment epidural abscess, open surgery has traditionally been performed which can lead to huge surgical trauma and unpredictable complications. For this reason, surgeons around the world are constantly looking for more minimally invasive and effective surgical methods. Patient Concerns Our patient was a 32-year-old woman who had been receiving percutaneous endoscopic interlaminar discectomy for L5/S1 lumbar disc herniation one week ago. She returned to our institution with a fever and lower back pain. Diagnoses Magnetic resonance imaging revealed a long segment epidural abscess accompanied by a paravertebral abscess, and staphylococcus aureus was detected in a bacterial culture of pyogenic fluids extracted from the paravertebral abscess. Treatments We performed percutaneous endoscopic drainage (PED) for the epidural abscess. Long-term sensitive antibiotic treatment after surgery. Outcomes Immediate pain relief was achieved and the inflammatory reaction subsided after 4 weeks of antibiotic therapy. Re-examination of the lumbar spine MRI after 1 month showed that the epidural abscess disappeared completely. Conclusion Percutaneous endoscopy allowed us to approach the epidural abscess directly, enabling the immediate drainage of the abscess with minimal trauma to the patient. The good results obtained show that percutaneous endoscopic drainage is a reliable way to treat a long-segment epidural abscess.
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Affiliation(s)
- Tao Li
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Hui Wu
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jinghong Yuan
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jingyu Jia
- Institute of Orthopedics of Jiangxi Province, Nanchang, China
| | - Tianlong Wu
- Institute of Minimally Invasive Orthopedics of Nanchang University, Nanchang, China
| | - Xigao Cheng
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- Institute of Orthopedics of Jiangxi Province, Nanchang, China
- Institute of Minimally Invasive Orthopedics of Nanchang University, Nanchang, China
- Correspondence: Xigao Cheng
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Fang W, Liu W, Li Q, Cai L, Wang W, Yi X, Jiao H, Yao Z. Clinical evaluation of S1 alar screws application in short-segment lumbosacral fixation and fusion for spine infection with severe S1 vertebral body loss. BMC Musculoskelet Disord 2022; 23:866. [PMID: 36114532 PMCID: PMC9482304 DOI: 10.1186/s12891-022-05824-6] [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: 05/25/2022] [Accepted: 09/13/2022] [Indexed: 12/03/2022] Open
Abstract
Background The one-stage posterior approach for treating spinal infection has recently been generally accepted. However, severe vertebral body loss caused by infection remains a major challenge in posterior surgery. This study was conducted to evaluate the clinical application and outcomes of S1 alar screws used in the one-stage posterior surgery of short-segment lumbosacral fixation and fusion after debridement for infection with severe S1 vertebral body loss. Methods The clinical features and treatment outcomes of 7 patients with spinal infections from August 2016 to August 2021 who were treated with one-stage posterior surgery using S1 alar screws were retrospectively analyzed. The clinical data, including patient data, visual analogue scale (VAS), Oswestry Disability Index (ODI), fusion time and complications of the patients, were recorded. Results All 7 patients were followed up for an average duration of 14.57 months (range, 12—18 months). The VAS score decreased significantly from 7.3 preoperatively (range, 6—8) to 2.6 postoperatively (range, 2—3). The ODI score demonstrated a steady and gradual increase from 73.8 preoperatively (range, 68—75) to 33.6 postoperatively (range, 30—37). Bony fusion time was observed approximately 6.8 months after surgery. Two patients in our study experienced the postoperative local pain, which could be relieved by analgesics and disappeared 3 months after the operation. There were no complications of intraoperative fracture, posterior wound infection or neurovascular injury. Conclusions S1 alar screws are suitable for use in the operation and could be an alternative option to S1 pedicle screws for short-segment lumbosacral fixation and fusion with severe S1 vertebral body loss caused by spinal infection, which could provide satisfactory clinical outcomes.
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Huang Q, Gu Q, Song J, Yan F, Lin X. The effectiveness of percutaneous endoscopic lumbar discectomy combined with external lumbar drainage in the treatment of intervertebral infections. Front Surg 2022; 9:975681. [PMID: 36017524 PMCID: PMC9395960 DOI: 10.3389/fsurg.2022.975681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 07/26/2022] [Indexed: 11/30/2022] Open
Abstract
Objective To analyze the effect of percutaneous endoscopic lumbar discectomy in treating lumbar intervertebral infections. Methods A total of 13 patients with lumbar intervertebral infections who underwent percutaneous endoscopic lumbar discectomy combined with external drainage between November 2016 and December 2019 were enrolled in the present study. After the operation, sensitive antibiotics were used based on the results of the bacterial culture. If no pathogens were detected in the biopsy culture of the infected tissues, empirical antibiotics were administrated to these patients. The clinical efficacy was evaluated by using a visual analog scale (VAS), Japanese Orthopaedic Association (JOA), Oswestry Disability Index (ODI), and standard Macnab's evaluation. Postoperative computed tomography (CT) and MRI were also used to evaluate clinical efficacy. Results The follow-up time was 10–18 months, and the average time was (13.69 ± 2.63) months. Causative bacteria were isolated in 7 of 13 infected tissue biopsy cultures. Systemic antibiotics and anti-tuberculous chemotherapy were administered according to sensitivity studies for identified. There were no pathogens isolated from the other six patients. Empiric antibiotics were administrated in these patients. One week after the operation, WBC, a fractional fraction of medium granulocytes, ESR and CRP were significantly lower compared to before the operation (all P < 0.05). At the last follow-up visit, the above-mentioned markers were all within normal range, which differed compared to the pre-operative data (P < 0.05). The VAS and ODI of the patients at 1 week and 3 months after operation were significantly lower compared to preoperative data (all P < 0.05). During the last follow-up visit, seven patients were excellent, five were good, and one was poor according to standard Macnab's evaluation. No serious complications were recorded. Conclusions Percutaneous lumbar discectomy combined with external drainage resulted as an effective method for treating lumbar intervertebral infections and was associated with fewer injuries, less pain, low cost, and low recurrence rate.
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Affiliation(s)
| | | | | | - Fei Yan
- Correspondence: Fei Yan XiaoLong Lin
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C-arm Fluoroscopy-Guided Percutaneous Needle Biopsy for the Diagnosis of Spinal Infection: A Study of 203 Consecutive Patients. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:4155113. [PMID: 35958931 PMCID: PMC9363168 DOI: 10.1155/2022/4155113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/12/2022] [Indexed: 11/24/2022]
Abstract
C-arm fluoroscopy-guided percutaneous needle biopsy (PNB) is a commonly used biopsy method, which shows similar diagnostic outcomes to CT-guided biopsy. This study aimed to evaluate the diagnostic value of C-arm fluoroscopy-guided percutaneous needle biopsy (PNB) for spinal infection. A total of 30 male and 73 female patients with suspected spinal infection were enrolled. Among enrolled patients, the spinal lesion was mainly located in the thoracic (T3-T12, 48.28%) and lumbar vertebra (L1-L5, 46.80%), and T12 was the most frequently involved site. C-arm fluoroscopy-guided PNB was performed for the isolation of biopsy samples in these patients. The overall detection rate of pathological changes in bone tissues was 94.1% (191/203), including 92 granulomata with caseous necrosis, 81 inflammatory tissues, 18 tumor tissues, and 12 bone tissues without visible pathological changes. After excluding the tumors, the detection rate of pathogenic microorganisms in liquid tissues was 50.27% (93/185), including 68 Mycobacterium tuberculosis, and 25 other microorganisms. Spinal tuberculosis was diagnosed in 118 (58%) cases, and nonspecific spinal infection with microorganisms other than Mycobacterium tuberculosis was diagnosed in 25 (12.7%) cases. Definite diagnosis was not determined in the left 42 (20.5%) patients with neither positive pathological nor pathogenic results. C-arm fluoroscopy-guided PNB is effective in the detection of pathological changes and pathogenic microorganisms, which is a practical approach for the diagnosis of spinal infection with high accuracy.
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Wipplinger C, Lener S, Orban C, Wipplinger TM, Abramovic A, Lang A, Hartmann S, Thomé C. Technical nuances and approach-related morbidity of anterolateral and posterolateral lumbar corpectomy approaches-a systematic review of the literature. Acta Neurochir (Wien) 2022; 164:2243-2256. [PMID: 35689694 PMCID: PMC9338118 DOI: 10.1007/s00701-022-05240-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 04/29/2022] [Indexed: 11/27/2022]
Abstract
Purpose Approaches for lumbar corpectomies can be roughly categorized into anterolateral (AL) and posterolateral (PL) approaches. It remains controversial to date whether one approach is superior to the other, and no comparative studies exist for the two approaches for lumbar corpectomies. Methods A systematic review of the literature was performed through a MEDLINE/PubMed search. Studies and case reports describing technique plus outcomes and possible complications were included. Thereafter, estimated blood loss (EBL), length of operation (LOO), utilized implants, neurological outcomes, complication rates, and reoperation rates were analyzed. Results A total of 64 articles reporting on 702 patients including 513 AL and 189 PL corpectomies were included in this paper. All patients in the PL group were instrumented via the same approach used for corpectomy, while in the AL group the majority (68.3%) of authors described the use of an additional approach for instrumentation. The EBL was higher in the AL group (1393 ± 1341 ml vs. 982 ± 567 ml). The LOO also was higher in the AL group (317 ± 178 min vs. 258 ± 93 min). The complication rate (20.5% vs. 29.1%, p = 0.048) and the revision rate (3.1% vs. 9.5%, p = 0.004) were higher in the PL group. Neurological improvement rates were 43.8% (AL) vs. 39.2% (PL), and deterioration was only noted in the AL group (6.0%), while 50.2% (AL) and 60.8% (PL) showed no change from initial presentation to the last follow-up. Conclusion While neurological outcomes of both approaches are comparable, the results of the present review demonstrated lower complication and revision rates in anterolateral corpectomies. Nevertheless, individual patient characteristics must be considered in decision-making.
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Affiliation(s)
- Christoph Wipplinger
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
- Department of Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Sara Lener
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Christoph Orban
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Tamara M Wipplinger
- Department of Neurosurgery, University Hospital Würzburg, Würzburg, Germany
- Department of Biobehavioral Sciences, Teachers College, Columbia University, New York, NY, USA
| | - Anto Abramovic
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Anna Lang
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Sebastian Hartmann
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Claudius Thomé
- Department of Neurosurgery, Medical University Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.
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Jin Y, Liu A, Overbey JR, Medikonda R, Feghali J, Krishnan S, Ishida W, Pairojboriboon S, Gokaslan ZL, Wolinsky JP, Theodore N, Bydon A, Sciubba DM, Witham TF, Lo SFL. Risk factors for surgical intervention in patients with primary spinal infection on initial presentation. J Neurosurg Spine 2022; 37:283-291. [PMID: 35120318 DOI: 10.3171/2021.12.spine21811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 12/09/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Treatment of primary spinal infection includes medical management with or without surgical intervention. The objective of this study was to identify risk factors for the eventual need for surgery in patients with primary spinal infection on initial presentation. METHODS From January 2010 to July 2019, 275 patients presented with primary spinal infection. Demographic, infectious, imaging, laboratory, treatment, and outcome data were retrospectively reviewed and collected. Thirty-three patients were excluded due to insufficient follow-up (≤ 90 days) or death prior to surgery. RESULTS The mean age of the 242 patients was 58.8 ± 13.6 years. The majority of the patients were male (n = 130, 53.7%), White (n = 150, 62.0%), and never smokers (n = 132, 54.5%). Fifty-four patients (22.3%) were intravenous drug users. One hundred fifty-four patients (63.6%) ultimately required surgery while 88 (36.4%) never needed surgery during the duration of follow-up. There was no significant difference in age, gender, race, BMI, or comorbidities between the surgery and no-surgery groups. On univariate analysis, the presence of an epidural abscess (55.7% in the no-surgery group vs 82.5% in the surgery group, p < 0.0001), the median spinal levels involved (2 [interquartile range (IQR) 2-3] in the no-surgery group vs 3 [IQR 2-5] in the surgery group, p < 0.0001), and active bacteremia (20.5% in the no-surgery vs 35.1% in the surgery group, p = 0.02) were significantly different. The cultured organism and initial laboratory values (erythrocyte sedimentation rate, C-reactive protein, white blood cell count, creatinine, and albumin) were not significantly different between the groups. On multivariable analysis, the final model included epidural abscess, cervical or thoracic spine involvement, and number of involved levels. After adjusting for other variables, epidural abscess (odds ratio [OR] 3.04, 95% confidence interval [CI] 1.64-5.63), cervical or thoracic spine involvement (OR 2.03, 95% CI 1.15-3.61), and increasing number of involved levels (OR 1.16, 95% CI 1.01-1.35) were associated with greater odds of surgery. Fifty-two surgical patients (33.8%) underwent decompression alone while 102 (66.2%) underwent decompression with fusion. Of those who underwent decompression alone, 2 (3.8%) of 52 required subsequent fusion due to kyphosis. No patient required hardware removal due to persistent infection. CONCLUSIONS At time of initial presentation of primary spinal infection, the presence of epidural abscess, cervical or thoracic spine involvement, as well as an increasing number of involved spinal levels were potential risk factors for the eventual need for surgery in this study. Additional studies are needed to assess for risk factors for surgery and antibiotic treatment failure.
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Affiliation(s)
- Yike Jin
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Ann Liu
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Jessica R Overbey
- 2Department of Population Health Science and Policy, Mount Sinai Hospital, New York, New York
| | - Ravi Medikonda
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - James Feghali
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Sonya Krishnan
- 3Division of Infectious Diseases, Department of Medicine, Johns Hopkins Hospital, Baltimore, Maryland
| | - Wataru Ishida
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | | | - Ziya L Gokaslan
- 4Department of Neurosurgery, The Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - Jean-Paul Wolinsky
- 5Department of Neurosurgery, Northwestern University, Chicago, Illinois; and
| | - Nicholas Theodore
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Ali Bydon
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Daniel M Sciubba
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
- 6Department of Neurosurgery, North Shore University Hospital, Manhasset, New York
| | - Timothy F Witham
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Sheng-Fu L Lo
- 1Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland
- 6Department of Neurosurgery, North Shore University Hospital, Manhasset, New York
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Lener S, Hartmann S, Thomé C. Reply to the letter to editor regarding, "A scoring system for the preoperative evaluation of prognosis in spinal infection: the MSI-20 score". Spine J 2022; 22:1419-1420. [PMID: 35843652 DOI: 10.1016/j.spinee.2022.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 02/03/2023]
Affiliation(s)
- Sara Lener
- Department of Neurosurgery, Medical University of Innsbruck, Innsbruck, Austria.
| | - Sebastian Hartmann
- Department of Neurosurgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Claudius Thomé
- Department of Neurosurgery, Medical University of Innsbruck, Innsbruck, Austria
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Chianca V, Chalian M, Harder D, Del Grande F. Imaging of Spine Infections. Semin Musculoskelet Radiol 2022; 26:387-395. [PMID: 36103882 DOI: 10.1055/s-0042-1749619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
The incidence of spondylodiskitis has increased over the last 20 years worldwide, especially in the immunodepressed population, and it remains a complex pathology, both in terms of diagnosis and treatment. Because clinical symptoms are often nonspecific and blood culture negative, imaging plays an essential role in the diagnostic process. Magnetic resonance imaging, in particular, is the gold standard technique because it can show essential findings such as vertebral bone marrow, disk signal alteration, a paravertebral or epidural abscess, and, in the advanced stage of disease, fusion or collapse of the vertebral elements. However, many noninfectious spine diseases can simulate spinal infection. In this article, we present imaging features of specific infectious spine diseases that help radiologists make the distinction between infectious and noninfectious processes.
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Affiliation(s)
- Vito Chianca
- Clinica di Radiologia EOC IIMSI, Lugano, Switzerland.,Ospedale Evangelico Betania, Naples, Italy
| | - Majid Chalian
- Division of Musculoskeletal Imaging and Intervention, Department of Radiology, University of Washington, Seattle, Washington
| | - Dorothee Harder
- Department of Radiology, University Hospital Basel, University of Basel, Basel, Switzerland
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Schweizer TA, Andreoni F, Acevedo C, Scheier TC, Heggli I, Maggio EM, Eberhard N, Brugger SD, Dudli S, Zinkernagel AS. Intervertebral disc cell chondroptosis elicits neutrophil response in Staphylococcus aureus spondylodiscitis. Front Immunol 2022; 13:908211. [PMID: 35967370 PMCID: PMC9366608 DOI: 10.3389/fimmu.2022.908211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 07/06/2022] [Indexed: 11/13/2022] Open
Abstract
To understand the pathophysiology of spondylodiscitis due to Staphylococcus aureus, an emerging infectious disease of the intervertebral disc (IVD) and vertebral body with a high complication rate, we combined clinical insights and experimental approaches. Clinical data and histological material of nine patients suffering from S. aureus spondylodiscitis were retrospectively collected at a single center. To mirror the clinical findings experimentally, we developed a novel porcine ex vivo model mimicking acute S. aureus spondylodiscitis and assessed the interaction between S. aureus and IVD cells within their native environment. In addition, the inflammatory features underlying this interaction were assessed in primary human IVD cells. Finally, mirroring the clinical findings, we assessed primary human neutrophils for their ability to respond to secreted inflammatory modulators of IVD cells upon the S. aureus challenge. Acute S. aureus spondylodiscitis in patients was characterized by tissue necrosis and neutrophil infiltration. Additionally, the presence of empty IVD cells’ lacunae was observed. This was mirrored in the ex vivo porcine model, where S. aureus induced extensive IVD cell death, leading to empty lacunae. Concomitant engagement of the apoptotic and pyroptotic cell death pathways was observed in primary human IVD cells, resulting in cytokine release. Among the released cytokines, functionally intact neutrophil-priming as well as broad pro- and anti-inflammatory cytokines which are known for their involvement in IVD degeneration were found. In patients as well as ex vivo in a novel porcine model, S. aureus IVD infection caused IVD cell death, resulting in empty lacunae, which was accompanied by the release of inflammatory markers and recruitment of neutrophils. These findings offer valuable insights into the important role of inflammatory IVD cell death during spondylodiscitis and potential future therapeutic approaches.
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Affiliation(s)
- Tiziano A. Schweizer
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Federica Andreoni
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Claudio Acevedo
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Thomas C. Scheier
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Irina Heggli
- Center of Experimental Rheumatology, University Hospital Zurich and Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Department of Physical Medicine and Rheumatology, University Hospital Zurich and Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Ewerton Marques Maggio
- Department of Pathology and Molecular Pathology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Nadia Eberhard
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Silvio D. Brugger
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Stefan Dudli
- Center of Experimental Rheumatology, University Hospital Zurich and Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Center for Applied Biotechnology and Molecular Medicine (CABMM), University of Zurich, Zurich, Switzerland
| | - Annelies S. Zinkernagel
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Center for Applied Biotechnology and Molecular Medicine (CABMM), University of Zurich, Zurich, Switzerland
- *Correspondence: Annelies S. Zinkernagel,
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Guo C, Zhang G, Hu X, Xu D, Tang B, Zhang H, Tang M, Liu S, Li Y, Gao Q. Diagnostic efficiency of metagenomic next-generation sequencing on spinal infection and prognosis. ZHONG NAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF CENTRAL SOUTH UNIVERSITY. MEDICAL SCIENCES 2022; 47:865-871. [PMID: 36039582 PMCID: PMC10930291 DOI: 10.11817/j.issn.1672-7347.2022.220163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Spinal infection is a rare infectious disease that is difficult to treat. The incidence of spinal infection is on the rise with the experiential use of antibiotics, the increasing incidence of drug-resistant bacteria, and the improvement of detection techniques. Traditional detection methods have limitations such as low sensitivity and long time-consuming in the diagnosis of spinal infection. In the clinical diagnosis and treatment of spinal infection, it has always been the focus and difficulty to determine the type of pathogens and to use antibiotics in a targeted manner. Many patients in the early stage of spinal infection due to the limitations of traditional detection methods cannot be quickly and accurately diagnosed, resulting in diagnosis delay, missed the best treatment time, bringing disastrous consequences to patients. There is an urgent need for a high-specificity, high-sensitivity, and time-saving test technique in clinical practice, which can simultaneously distinguish and identify the pathogen of spinal infection. Metagenomic next-generation sequencing (mNGS) is a new frontier technology emerging in recent years. It can detect all known pathogens in samples and has been used to diagnose clinically atypical and rare infectious diseases. This study aims to analyze the sensitivity of mNGS technique in diagnosing pathogens after spinal infection and its effect on prognosis. METHODS Clinical data of 82 patients with spinal infection admitted to Xiangya Hospital of Central South University from January 2019 to December 2021 were retrospectively analyzed. Peripheral blood erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and procalcitonin (PCT) were routinely performed before surgery, and focal tissue specimens were obtained during surgery. Microbial culture, histopathological examination, and mNGS detection were performed. All patients were assigned into a targeted medication group (n=71) and an experienced treatment group (n=1) based on the results of mNGS. After regular follow-up, the sensitivity of mNGS to detect pathogens of spinal infection and its effect on prognosis were evaluated. RESULTS The positive rate of mNGS (86.59%, 71/82) was significantly higher than that of microbial culture (18.99%, 15/79) and PCT (30.23%, 13/43). There were no significant differences in preoperative temperature, white blood cell count, neutrophil ratio, and scores of Visual Analogue Scale between the targeted medication group and the experienced treatment group. Preoperative use of antibiotics had no significant effect on the positive rate of mNGS and microbial culture (P=0.681). According to the targeted medication group, postoperative CRP and ESR showed a decreasing trend, and the ESR was significantly lower than that of the experienced treatment group at 30 days follow-up (P=0.044). CONCLUSIONS Compared with the microbial culture or PCT, mNGS has a higher sensitivity rate to detect pathogens of spinal infection. Patients receiving targeted antibiotics based on the results of mNGS have better outcomes than those receiving the experienced medicine.
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Affiliation(s)
- Chaofeng Guo
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008.
| | - Guang Zhang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
| | - Xiaojiang Hu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
| | - Dongcheng Xu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
| | - Bo Tang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
| | - Hongqi Zhang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
| | - Mingxing Tang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
| | - Shaohua Liu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
| | - Yanbing Li
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Qile Gao
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha 410008.
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Bendtsen MAF, Hanberg P, Slater J, Hansen J, Öbrink-Hansen K, Stilling M, Bue M. Steady-state concentrations of flucloxacillin in porcine vertebral cancellous bone and intervertebral disc following oral and intravenous administration assessed by microdialysis. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2022; 31:1508-1514. [PMID: 35488132 DOI: 10.1007/s00586-022-07208-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/03/2022] [Accepted: 04/05/2022] [Indexed: 11/30/2022]
Abstract
AIMS Flucloxacillin is a frequently used antibiotic in the treatment of spondylodiscitis. We assessed steady-state concentrations and time above minimal inhibitory concentration (fT > MIC) of flucloxacillin in the intervertebral disc, vertebral cancellous bone, subcutaneous tissue and plasma, after intravenous and oral administration. METHODS Sixteen pigs were randomized into two groups; Group Peroral (Group PO) and Group Intravenous (Group IV) received 1 g flucloxacillin every 6 h for 24 h orally or intravenously. Microdialysis was used for sampling in the compartments of interest. A flucloxacillin target of 50% fT > MIC was applied for three MIC targets: 0.125, 0.5 and 2.0 μg/mL. RESULTS Intravenous administration resulted in significantly longer fT > MIC for all targets. Target attainment was only reached for the low target of 0.125 μg/mL in Group IV in vertebral cancellous bone, subcutaneous tissue, and plasma (intervertebral disc 47%). In Group IV, mean fT > MIC values in the investigated compartments were in the range of 47-67% of the dosing interval for 0.125 μg/mL, 20-35% for 0.5 μg/mL, and 0-15% for 2.0 μg/mL. In Group PO, mean fT > MIC values for 0.125 μg/mL were in the range of 1-33%. No pigs reached a concentration of 0.5 μg/mL in any of the investigated compartments in Group PO. CONCLUSION Administration of 1 g flucloxacillin every 6 h resulted in surprisingly low steady-state fT > MIC after intravenous and oral administration. However, intravenous administration resulted in significantly higher concentrations across compartments compared to oral administration. Sufficient target tissue concentrations for treatment of spondylodiscitis may require a dose increase or alternative dosing regimens.
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Affiliation(s)
- Mathias A F Bendtsen
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark.
- Aarhus Microdialysis Research Group, Aarhus University Hospital, Aarhus, Denmark.
- Department of Orthopedic Surgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus, Denmark.
| | - Pelle Hanberg
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
- Aarhus Microdialysis Research Group, Aarhus University Hospital, Aarhus, Denmark
- Department of Orthopedic Surgery, Horsens Regional Hospital, Horsens, Denmark
| | - Josefine Slater
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
- Aarhus Microdialysis Research Group, Aarhus University Hospital, Aarhus, Denmark
- Department of Orthopedic Surgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus, Denmark
| | - Jakob Hansen
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
- Institute of Forensic Medicine, Aarhus University, Aarhus, Denmark
| | - Kristina Öbrink-Hansen
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
| | - Maiken Stilling
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
- Aarhus Microdialysis Research Group, Aarhus University Hospital, Aarhus, Denmark
- Department of Orthopedic Surgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus, Denmark
| | - Mats Bue
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
- Aarhus Microdialysis Research Group, Aarhus University Hospital, Aarhus, Denmark
- Department of Orthopedic Surgery, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus, Denmark
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Decompression only versus fusion in octogenarians with spinal epidural abscesses: early complications, clinical and radiological outcome with 2-year follow-up. Neurosurg Rev 2022; 45:2877-2885. [PMID: 35536406 PMCID: PMC9349057 DOI: 10.1007/s10143-022-01805-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/08/2022] [Accepted: 05/01/2022] [Indexed: 11/21/2022]
Abstract
Despite increased life expectancy due to health care quality improvements globally, pyogenic vertebral osteomyelitis (PVO) treatment with a spinal epidural abscess (SEA) remains challenging in patients older than 80 years. We aimed to assess octogenarians for PVO prevalence with SEA and compare after-surgery clinical outcomes of decompression and decompression and instrumentation. A retrospective review of electronic medical records at a single institution was conducted between September 2005 and December 2020. Patient demographics, surgical characteristics, complications, hospital course, and 90-day mortality were collected. Comorbidities were assessed using the age-adjusted Charlson comorbidity index (CCI). Over 16 years, 35 patients aged ≥80 years with PVO and SEA were identified. Eighteen patients underwent surgical decompression (“decompression group”), and 17 underwent surgical decompression with instrumentation (“instrumentation group”). Both groups had a CCI >6 (mean±SD, 8.9±2.1 vs. 9.6±2.7, respectively; p=0.065). Instrumentation group patients had a significantly longer hospital stay but no ICU stay. In-hospital and 90-days mortality rates were similar in both groups. The mean follow-up was 26.6±12.4 months. No further surgeries were performed. Infection levels and neurological status were improved in both groups at discharge. At the second-stage analysis, significant improvements in the blood infection parameters and the neurological status were detected in the decompression group. Octogenarians with PVO and SEA have a high adverse events risk after surgical procedures. Surgical decompression might contribute to earlier clinical recovery in older patients. Thus, the surgical approach should be discussed with patients and their relatives and be carefully weighed.
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84
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Long B, Carlson J, Montrief T, Koyfman A. High risk and low prevalence diseases: Spinal epidural abscess. Am J Emerg Med 2022; 53:168-172. [DOI: 10.1016/j.ajem.2022.01.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/31/2021] [Accepted: 01/04/2022] [Indexed: 02/07/2023] Open
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85
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Liu H, Wang X, Wang W, Sun Y, Guo L, Zhang F, Li J, Zhang P, Zhang W. WITHDRAWN: Spinal epidural abscess with emphasis on early diagnosis and surgical treatment: Report of twenty-five cases and review of literature. INTERDISCIPLINARY NEUROSURGERY 2022. [DOI: 10.1016/j.inat.2022.101541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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86
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Ahmad S, Jhaveri MD, Mossa-Basha M, Oztek M, Hartman J, Gaddikeri S. A Comparison of CT-Guided Bone Biopsy and Fluoroscopic-Guided Disc Aspiration as Diagnostic Methods in the Management of Spondylodiscitis. Curr Probl Diagn Radiol 2022; 51:728-732. [DOI: 10.1067/j.cpradiol.2022.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/14/2022] [Accepted: 02/27/2022] [Indexed: 11/22/2022]
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87
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Wassef C, Johnson A, Stone J. Unusual case of spinal subdural empyema with ventriculitis managed conservatively with lumbar drain. BMJ Case Rep 2022; 15:e247156. [PMID: 35228235 PMCID: PMC8886382 DOI: 10.1136/bcr-2021-247156] [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] [Accepted: 01/30/2022] [Indexed: 11/04/2022] Open
Abstract
It has long been believed that spinal subdural empyemas (SDEs) with neurological symptoms result in death if operative intervention is not performed. We present a case of addressing an extensive spinal SDE with a minimally invasive procedure: a bedside lumbar drain. Our patient is a 67-year-old man with medical history significant for type I diabetes who presented 2 weeks after a right shoulder steroid injection with septic arthritis. An MRI was obtained for back pain which revealed spinal SDE from the cervical to lumbosacral spine. Given patient's acute sepsis, haemodynamic instability, and extent of empyema, we placed a lumbar drain for decompression. The patient had a prolonged complicated hospital course. Imaging 2 months later revealed interval decrease in the spinal SDE. Although this severe septic event left the patient with significant deficits, he was able to return to ambulation without surgical intervention.
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Affiliation(s)
- Catherine Wassef
- Department of Neurosurgery, University of Rochester Medical Center, Rochester, New York, USA
| | - Angelique Johnson
- Department of Neurosurgery, University of Rochester Medical Center, Rochester, New York, USA
| | - Jonathan Stone
- Department of Neurosurgery, University of Rochester Medical Center, Rochester, New York, USA
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88
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Endoscopic treatment of spondylodiscitis: systematic review. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2022; 31:1765-1774. [PMID: 35211807 DOI: 10.1007/s00586-022-07142-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 12/31/2021] [Accepted: 02/03/2022] [Indexed: 10/19/2022]
Abstract
BACKGROUND Spondylodiscitis is a severe condition where standalone antibiotic therapy resolves most cases. In refractory infections, open surgery may aid with infection debulking. However, significant morbidity can occur. Nowadays, endoscopic approaches are emerging as an alternative. However, until now, only small-scale studies exist. Being so, we carried the first systematic review on spondylodiscitis endoscopic debridement indications, technique details, and outcomes. METHODS Search for all English written original studies approaching the spondylodiscitis endoscopic treatment was performed using PubMed and EBSCO host. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed, and a pre-specified protocol was registered at PROSPERO (CRD42020183657). RESULTS Fourteen studies involving 342 participants were included for analysis. Data overall quality was fair. Indications for the endoscopic approach were poorly defined. The most consensual indication was refractory infection to conservative treatment. Spinal instability or neurological deficits were common exclusion criteria. All authors described similar techniques, and despite the frequent severe co-morbidities, procedure morbidity was low. Re-interventions were common. Microorganism identification varied from 54.2 to 90.4%. Treatment failure among studies ranged from 0 to 33%. Pain, functional status, and neurological deficits had satisfactory improvement after procedures. CONCLUSIONS The endoscopic debridement of spondylodiscitis seems to be an effective and safe approach for refractory spondylodiscitis. A novel approach with initial endoscopic infection debulking and antibiotic therapy could improve the success of spondylodiscitis treatment.
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89
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Heuer A, Strahl A, Viezens L, Koepke LG, Stangenberg M, Dreimann M. The Hamburg Spondylodiscitis Assessment Score (HSAS) for Immediate Evaluation of Mortality Risk on Hospital Admission. J Clin Med 2022; 11:jcm11030660. [PMID: 35160110 PMCID: PMC8836753 DOI: 10.3390/jcm11030660] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 01/23/2022] [Accepted: 01/25/2022] [Indexed: 01/25/2023] Open
Abstract
(1) Background: Patients with spondylodiscitis often present with unspecific and heterogeneous symptoms that delay diagnosis and inevitable therapeutic steps leading to increased mortality rates of up to 27%. A rapid initial triage is essential to identify patients at risk for a complicative disease course. We therefore aimed to develop a risk assessment score using fast available parameters to predict in-hospital mortality of patients admitted with spondylodiscitis. (2) Methods: A retrospective data analysis of 307 patients with spondylodiscitis recruited from 2013 to 2020 was carried out. Patients were grouped according to all-cause mortality. Via logistic regression, individual patient and clinical characteristics predictive of mortality were identified. A weighted sum score to estimate a patient's risk of mortality was developed and validated in a randomly selected subgroup of spondylodiscitis patients. (3) Results: 14% of patients with spondylodiscitis died during their in-hospital stay at a tertiary center for spinal surgery. Univariate and logistic regression analyses of parameters recorded at hospital admission showed that age older than 72.5 years, rheumatoid arthritis, creatinine > 1.29 mg/dL and CRP > 140.5 mg/L increased the risk of mortality 3.9-fold, 9.4-fold, 4.3-fold and 4.1-fold, respectively. S. aureus detection increased the risk of mortality by 2.3-fold. (4) Conclusions: The novel Hamburg Spondylodiscitis Assessment Score (HSAS) shows a good fit identifying patients at low-, moderate-, high- and very high risk for in hospital mortality on admission (AUC: 0.795; p < 0.001). The implementation of the HSAS into clinical practice could ease identification of high-risk patients using readily available parameters alone, improving the patient's safety and outcome.
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Affiliation(s)
- Annika Heuer
- Division of Spine Surgery, Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (L.V.); (L.-G.K.); (M.S.); (M.D.)
- Correspondence:
| | - André Strahl
- Division of Orthopedics, Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany;
| | - Lennart Viezens
- Division of Spine Surgery, Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (L.V.); (L.-G.K.); (M.S.); (M.D.)
| | - Leon-Gordian Koepke
- Division of Spine Surgery, Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (L.V.); (L.-G.K.); (M.S.); (M.D.)
| | - Martin Stangenberg
- Division of Spine Surgery, Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (L.V.); (L.-G.K.); (M.S.); (M.D.)
| | - Marc Dreimann
- Division of Spine Surgery, Department of Trauma and Orthopedic Surgery, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (L.V.); (L.-G.K.); (M.S.); (M.D.)
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Mehkri Y, Felisma P, Panther E, Lucke-Wold B. Osteomyelitis of the spine: treatments and future directions. INFECTIOUS DISEASES RESEARCH 2022; 3:3. [PMID: 35211699 PMCID: PMC8865404 DOI: 10.53388/idr20220117003] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Osteomyelitis of the spine is a serious condition that has been increasing with the intravenous drug pandemic and aging population. Multiple different organisms can cause osteomyelitis and mainstay of treatment is early recognition and antibiotics. The course can sometimes be indolent leading to delayed presentations. Once suspected, comprehensive workup and initiation of management should be employed. In rare circumstances, surgical evacuation or deformity correction is indicated. Continued antibiotic treatment should be considered post-operatively. METHODS Emerging treatment solutions are being developed to help target osteomyelitis in a more effective manner. In this review, we highlight the epidemiology and pathophysiology of spinal osteomyelitis. We overview the diagnostic workup and treatment options. Finally, we present new options that are currently being investigated and are on the near horizon. CONCLUSION This review offers a user friendly resource for clinicians and researchers regarding osteomyelitis of the spine and will serve as a catalyst for further discovery.
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Affiliation(s)
- Yusuf Mehkri
- Department of Neurosurgery, University of Florida, Gainesville, Florida, the USA
| | - Patrick Felisma
- Department of Neurosurgery, University of Florida, Gainesville, Florida, the USA
| | - Eric Panther
- Department of Neurosurgery, University of Florida, Gainesville, Florida, the USA
| | - Brandon Lucke-Wold
- Department of Neurosurgery, University of Florida, Gainesville, Florida, the USA
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91
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Pluart AL, Coiffier G, Darrieutort-Lafitte C, Godot S, Ottaviani S, Henry J, Brochard J, Cormier G, Couderc M, Hoppe E, Mulleman D, Khatchatourian L, Thuaut AL, Goff BL, Bart G. Spine immobilization and neurological outcome in Vertebral Osteomyelitis. SPONDIMMO, a prospective multicentric cohort. Joint Bone Spine 2021; 89:105333. [PMID: 34954077 DOI: 10.1016/j.jbspin.2021.105333] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The aim of our study was to describe spine immobilization in a multicentric cohort of vertebral osteomyelitis (VO), and evaluate its association with neurological complications during follow-up. METHODS We prospectively included patients from 2016 to 2019 in 11 centers. Immobilization, imaging, and neurological findings were specifically analyzed during a 6-month follow-up period. RESULTS 250 patients were included, mostly men (67.2%, n=168). Mean age was 66.7 ± 15 years. Diagnosis delay was 25 days. The lumbo-sacral spine was most frequently involved (56.4%). At diagnosis, 25.6% patients (n=64) had minor neurological signs and 9.2% (n=23) had major ones. Rigid bracing was prescribed for 63.5% (n=162) of patients, for a median of 6 weeks, with variability between centers (p<0.001). The presence of epidural inflammation and abscess on imaging was associated with higher rates of rigid bracing prescription (OR 2.33, p=0.01). Frailness and endocarditis were negatively associated with rigid bracing prescription (OR 0.65, p<0.01, and OR 0.42, p<0.05, respectively). During follow up, new minor or major neurological complications occurred in respectively 9.2% (n=23) and 6.8% (n=17) of patients, with similar distribution between immobilized and non-immobilized patients. CONCLUSION Spine immobilization prescription during VO remains heterogeneous and seems associated inflammatory lesions on imaging but negatively associated with frailness and presence of endocarditis. Neurological complications can occur despite rigid bracing. Our data suggest that in absence of any factor associated with neurological complication spine bracing might not be systematically indicated. We suggest that spine immobilization should be discussed for each patient after carefully evaluating their clinical signs and imaging findings.
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Affiliation(s)
| | - Guillaume Coiffier
- Department of Rheumatology, CHU Rennes, Rennes, France; Department of Rheumatology, GHT Rance-Emeraude, CH Dinan/Saint-Malo, France
| | | | - Sophie Godot
- Department of Rheumatology, AP-HP DCSS, Paris, France
| | | | - Julien Henry
- Department of Rheumatology, AP-HP Kremlin-Bicêtre, Paris, France
| | - Julia Brochard
- Department of Infectious Diseases, CH Saint-Nazaire, Saint-Nazaire, France
| | - Grégoire Cormier
- Department of Rheumatology, CHD Vendée, La Roche-sur-Yon, France
| | - Marion Couderc
- Department of Rheumatology, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | | | | | - Lydie Khatchatourian
- Department of internal medicine and infectious disease, CH Cornouaille, Quimper, France
| | - Aurélie Le Thuaut
- Direction of research, Methodology and Biostatistics platform, CHU Nantes, Nantes, France
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Debono B, Gerson C, Le Moing V, Houselstein T, Bougeard R, Lonjon G, Lonjon N. Spine Surgery Infection, Litigation, and Financial Compensation: Analysis of 98 Claims Involving French Spine Surgeons Between 2015 and 2019. World Neurosurg 2021; 159:e161-e171. [PMID: 34902601 DOI: 10.1016/j.wneu.2021.12.022] [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: 11/11/2021] [Revised: 12/04/2021] [Accepted: 12/06/2021] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Since 2002, France has adopted the Patients' Rights Law, an alternative malpractice scheme creating a faster, less expensive out-of-court settlement ensuring compensation even in the absence of fault. We aimed to describe the implications of this system by analyzing 5 years of claims for infections related to spinal surgeries collected by the main insurer of French spine surgeons. METHODS We retrospectively analyzed 98 anonymized malpractice claims from 2015 to 2019 (20% of overall claims), including anonymized medical records of the patients, reports of the independent experts, final judgments, and entities supporting the compensation if any. RESULTS Claims included 8 deaths and 17 newly acquired neurological sequelae. The conclusions identified 22 faulty cases. The most frequent fault was a delay in diagnosis (10 cases), followed by inadequate surgical management (6 cases), inadequate antibiotic therapy (5 cases), and inadequate follow-up (1 case). Among the 67 cases (68.4%) proved not to be at fault, 10 were covered by the national solidarity fund because of their severity, and the remaining 57 were covered by hospitals. CONCLUSIONS Since the 2002 Patients' Rights Law, patients with postoperative infections have always received compensation. The out-of-court settlement offers the patients incurring morbidities the assurance of faster compensation. Although certainly subject to selection criteria, this procedure is free and does not necessitate the presence of a lawyer. The analysis of expert reports and the resulting court decisions imply prevention, anticipation, and collaboration of all health care providers and open an opportunity to improve their practices to limit these crucial followings.
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Affiliation(s)
- Bertrand Debono
- Paris-Versailles Spine Center (Centre Francilien du Dos), Paris, France; Ramsay Santé-Hôpital Privé de Versailles, Versailles, France.
| | - Carole Gerson
- Compensation and Medical Communication Department, Mutuelle d'Assurances du Corps de Santé Français (MACSF), Paris, France
| | - Vincent Le Moing
- Department of Infectious and Tropical Diseases, Montpellier University Medical Center, Montpellier, France
| | - Thierry Houselstein
- Compensation and Medical Communication Department, Mutuelle d'Assurances du Corps de Santé Français (MACSF), Paris, France
| | - Renaud Bougeard
- Department of Neurosurgery, Clinique du Val d'Ouest, Ecully, France
| | - Guillaume Lonjon
- Department of Orthopedic Surgery, Orthosud, Clinique St-Jean-Sud de France, Santé Cite Group. St Jean de Vedas, Montpellier Metropole, France
| | - Nicolas Lonjon
- Department of Neurosurgery, Hôpital Gui de Chauliac, Montpellier University Medical Center, Montpellier, France
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Slavnic D, Tong D, Anton G, Bashiti R, Carr D, Hanson C, Lytle E, Richards B, Soo TM. Efficacy and safety with the use of Antibiotic-impregnated Poly-methyl methacrylate (AI-PMMA) for thoracolumbar spinal reconstruction in pyogenic Spondylodiscitis: Retrospective cohort study. INTERDISCIPLINARY NEUROSURGERY 2021. [DOI: 10.1016/j.inat.2021.101324] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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94
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Decker S, Schröder BM, Stübig T, Sehmisch S. [Common infectious challenges of the thoracic and lumbar spine : Spondylodiscitis and postoperative wound infection]. Unfallchirurg 2021; 125:33-40. [PMID: 34850257 DOI: 10.1007/s00113-021-01108-1] [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] [Accepted: 10/26/2021] [Indexed: 11/24/2022]
Abstract
Spondylodiscitis and postoperative wound infections are the most frequent infectious diseases of the thoracic and lumbar spine. Every spinal surgeon will come into contact with such patients during his or her career. Knowledge particularly of the diagnostics, conservative and surgical treatment as well as microbiological considerations of antibiotic treatment are therefore of particular importance and are explained in this article.
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Affiliation(s)
- Sebastian Decker
- Klinik für Unfallchirurgie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, 30625, Hannover, Deutschland.
| | - Bennet Mathis Schröder
- Klinik für Unfallchirurgie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, 30625, Hannover, Deutschland
| | - Timo Stübig
- Klinik für Unfallchirurgie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, 30625, Hannover, Deutschland
| | - Stephan Sehmisch
- Klinik für Unfallchirurgie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, 30625, Hannover, Deutschland
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Postoperative Management Strategy of Surgical Site Infection following Lumbar Dynesys Dynamic Internal Fixation. Pain Res Manag 2021; 2021:2262837. [PMID: 34659599 PMCID: PMC8516528 DOI: 10.1155/2021/2262837] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 09/22/2021] [Indexed: 11/18/2022]
Abstract
Aim To research the incidence of surgical site infection (SSI) following lumbar Dynesys dynamic internal fixation and its management strategy. Methods We retrospectively analyzed all cases of lumbar Dynesys dynamic internal fixation performed from January 2010 to December 2019, and the data from patients with SSI were collected. The observational indicators included the incidence of SSI, general information of the patients, surgical details, inflammatory indicators, pathogenic bacteria, and treatment. SSI was defined as both early infection and delayed infection, and the cases were divided into Groups A and B, respectively. The relevant indicators and treatment were compared between the two groups. Results A total of 1125 cases of lumbar Dynesys dynamic internal fixation were followed up. Twenty-five cases of SSI occurred, and the incidence of SSI was 2.22% (25/1125). There were 14 cases of early infection (1.24%) and 11 cases of delayed infection (0.98%). Fourteen cases of early infection occurred 12.3 ± 8.3 days postoperatively (3–30), and 11 cases of delayed infection occurred 33.3 ± 18.9 months postoperatively (3–62). The inflammatory indicators of Group A were significantly higher than those of Group B (all P < 0.05), except for procalcitonin. The main infection site in Group A was located on the skin and subcutaneous tissue and around the internal instrument, while the main infection site in Group B was around the internal instrument. The main treatment for Group A was debridement and implant replacement, and the main treatment for Group B was implant removal. Summary. The incidence of SSI following lumbar Dynesys dynamic internal fixation was 2.22%, the incidence of early SSI was 1.24%, and the incidence of delayed SSI was 0.98%. If the main infection site of early infection is in the incision, debridement should be the main treatment method; if the infection site is around the internal fixation, implant replacement is recommended on the basis of debridement. Once delayed infection is diagnosed, implant removal is suggested.
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96
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Tan YZ, Yuan T, Tan L, Tian YQ, Long YZ. Lumbar infection caused by Mycobacterium paragordonae: A case report. World J Clin Cases 2021; 9:8879-8887. [PMID: 34734070 PMCID: PMC8546838 DOI: 10.12998/wjcc.v9.i29.8879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/30/2021] [Accepted: 08/02/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Mycobacterium paragordonae (M. paragordonae), a slow-growing, acid-resistant mycobacterial species, was first isolated from the sputum of a lung infection patient in South Korea in 2014. Infections caused by M. paragordonae are rare. CASE SUMMARY Herein, we report the case of a 53-year-old patient who presented with fever and low back pain. Lumbar nuclear magnetic resonance imaging revealed the destruction of the lumbar vertebra with peripheral abscess formation. After anti-infective and diagnostic anti-tuberculosis treatment, the patient had no further fever, but the back pain was not relieved. Postoperatively, the necrotic material was sent for pathological examination, and all tests related to tuberculosis were negative, but pus culture suggested nontuberculous mycobacteria. The necrotic tissue specimens were subjected to metagenomic next-generation sequencing, which indicated the presence of M. paragordonae. Finally, the infecting pathogen was identified, and the treatment plan was adjusted. The patient was in good condition during the follow-up period. CONCLUSION M. paragordonae, a rare nontuberculous mycobacterium, can also cause spinal infections. In the clinic, it is necessary to identify nontuberculous mycobacteria for spinal infections similar to Mycobacterium tuberculosis.
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Affiliation(s)
- Ying-Zheng Tan
- Department of Infectious Diseases, Zhuzhou Central Hospital, Zhuzhou 412000, Hunan Province, China
| | - Ting Yuan
- Department of Infectious Diseases, Zhuzhou Central Hospital, Zhuzhou 412000, Hunan Province, China
| | - Liang Tan
- Department of Spinal Surgery, Zhuzhou Central Hospital, Zhuzhou 412000, Hunan Province, China
| | - Yu-Qiu Tian
- Department of Infectious Diseases, Zhuzhou Central Hospital, Zhuzhou 412000, Hunan Province, China
| | - Yun-Zhu Long
- Department of Infectious Diseases, Zhuzhou Central Hospital, Zhuzhou 412000, Hunan Province, China
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Ms DP, Ss JL, Prakash JAJ, David KS, Alagar V, Veeraraghavan B. An unusual case of infective spondylodiscitis caused by Campylobacter fetus subsp. fetus: molecular characterization by whole-genome sequencing. Access Microbiol 2021; 3:000240. [PMID: 34595392 PMCID: PMC8479959 DOI: 10.1099/acmi.0.000240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 05/05/2021] [Indexed: 12/15/2022] Open
Abstract
Spondylodiscitis is an infectious inflammation that affects the intervertebral disc and adjacent structures. Treating infective spondylodiscitis is often challenging due to the lack of specific symptoms. Here we present an unusual case of infective spondylodiscitis caused by Campylobacter fetus subsp. fetus.
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Affiliation(s)
- Dhiviya Prabaa Ms
- Department of Clinical Microbiology, Christian Medical College, Vellore 632004, India
| | - Jaya Lakshmi Ss
- Department of Clinical Microbiology, Christian Medical College, Vellore 632004, India
| | | | - Kenny S David
- Department of Spine Surgery, Christian Medical College, Vellore 632004, India
| | - Vijay Alagar
- Department of Spine Surgery, Christian Medical College, Vellore 632004, India
| | - Balaji Veeraraghavan
- Department of Clinical Microbiology, Christian Medical College, Vellore 632004, India
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Szpytma MM, Gimpel D, Puckridge P, Crouch G. Emergency thoracic endovascular aortic repair and thoracotomy for evacuation of tension haemothorax secondary to erosive paravertebral abscess. ANZ J Surg 2021; 92:929-931. [PMID: 34553829 DOI: 10.1111/ans.17216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/04/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Malgorzata Maggie Szpytma
- Department of Cardiothoracic Surgery, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Damian Gimpel
- Department of Cardiothoracic Surgery, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Phillip Puckridge
- Department of Vascular Surgery, Flinders Medical Centre, Bedford Park, South Australia, Australia.,College of Medicine and Public Health, Flinders University, Bedford Park, South Australia, Australia
| | - Gareth Crouch
- Department of Cardiothoracic Surgery, Flinders Medical Centre, Bedford Park, South Australia, Australia
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Boriani L, Zamparini E, Albrizio M, Serani F, Ciani G, Marconi L, Vommaro F, Greggi T, Fanti S, Nanni C. Spine Infections: the role of Fluorodeoxyglucose Positron Emission Tomography (FDG PET) in the context of the actual diagnosis guideline. Curr Med Imaging 2021; 18:216-230. [PMID: 34530718 PMCID: PMC9241079 DOI: 10.2174/1573405617666210916121046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 07/22/2021] [Accepted: 08/01/2021] [Indexed: 11/25/2022]
Abstract
Spondylodiscitis is an infectious process that requires numerous health care professionals to be clearly diagnosed and eventually successfully treated. It implies a variety of microbiological agents and conditions; during the diagnostic workup, it is difficult to correctly identify them, and the clinician has to rapidly choose the correct treatment to avoid permanent injuries to the patient. In this context, we conducted a review to better understand the most suitable use of Positron Emission Tomography with 18-Fluoro-deossi-glucose (FDG PET) in a patient suspected of spondylodiscitis, based on current guidelines and literature.. We wanted to review the role of FDG PET in the spondylodiscitis diagnosis and follow up in the context of the current guidelines.
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Affiliation(s)
- Luca Boriani
- Spine Deformity Unit, IRCCS Istituto Ortopedico Rizzoli, Bologna. Italy
| | - Eleonora Zamparini
- Infection Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna. Italy
| | - Mauro Albrizio
- Head of service- Muscuoloskeletal Radiology, Nottingham University Hospitals. 0
| | - Francesca Serani
- Nuclear Medicine Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, University of Bologna, Bologna. Italy
| | - Giovanni Ciani
- Spine Deformity Unit, IRCCS Istituto Ortopedico Rizzoli, Bologna. Italy
| | - Lorenzo Marconi
- Infection Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna. Italy
| | - Francesco Vommaro
- Spine Deformity Unit, IRCCS Istituto Ortopedico Rizzoli, Bologna. Italy
| | - Tiziana Greggi
- Spine Deformity Unit, IRCCS Istituto Ortopedico Rizzoli, Bologna. Italy
| | - Stefano Fanti
- Nuclear Medicine Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, University of Bologna, Bologna. Italy
| | - Cristina Nanni
- Nuclear Medicine Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna. Italy
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Hersh A, Young R, Pennington Z, Ehresman J, Ding A, Kopparapu S, Cottrill E, Sciubba DM, Theodore N. Removal of instrumentation for postoperative spine infection: systematic review. J Neurosurg Spine 2021; 35:376-388. [PMID: 34243152 DOI: 10.3171/2020.12.spine201300] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 12/14/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Currently, no consensus exists as to whether patients who develop infection of the surgical site after undergoing instrumented fusion should have their implants removed at the time of wound debridement. Instrumentation removal may eliminate a potential infection nidus, but removal may also destabilize the patient's spine. The authors sought to summarize the existing evidence by systematically reviewing published studies that compare outcomes between patients undergoing wound washout and instrumentation removal with outcomes of patients undergoing wound washout alone. The primary objectives were to determine 1) whether instrumentation removal from an infected wound facilitates infection clearance and lowers morbidity, and 2) whether the chronicity of the underlying infection affects the decision to remove instrumentation. METHODS PRISMA guidelines were used to review the PubMed/MEDLINE, Embase, Cochrane Library, Scopus, Web of Science, and ClinicalTrials.gov databases to identify studies that compared patients with implants removed and patients with implants retained. Outcomes of interest included mortality, rate of repeat wound washout, and loss of correction. RESULTS Fifteen articles were included. Of 878 patients examined in these studies, 292 (33%) had instrumentation removed. Patient populations were highly heterogeneous, and outcome data were limited. Available data suggested that rates of reoperation, pseudarthrosis, and death were higher in patients who underwent instrumentation removal at the time of initial washout. Three studies recommended that instrumentation be uniformly removed at the time of wound washout. Five studies favored retaining the original instrumentation. Six studies favored retention in early infections but removal in late infections. CONCLUSIONS The data on this topic remain heterogeneous and low in quality. Retention may be preferred in the setting of early infection, when the risk of underlying spine instability is still high and the risk of mature biofilm formation on the implants is low. However, late infections likely favor instrumentation removal. Higher-quality evidence from large, multicenter, prospective studies is needed to reach generalizable conclusions capable of guiding clinical practice.
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