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Siempis T, Tsakiris C, Anastasia Z, Alexiou GA, Voulgaris S, Argyropoulou MI. Radiological assessment and surgical management of cervical spine involvement in patients with rheumatoid arthritis. Rheumatol Int 2023; 43:195-208. [PMID: 36378323 PMCID: PMC9898347 DOI: 10.1007/s00296-022-05239-5] [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: 09/22/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022]
Abstract
The purpose of the present systematic review was to describe the diagnostic evaluation of rheumatoid arthritis in the cervical spine to provide a better understanding of the indications and options of surgical intervention. We performed a literature review of Pub-med, Embase, and Scopus database. Upon implementing specific inclusion and exclusion criteria, all eligible articles were identified. A total of 1878 patients with Rheumatoid Arthritis (RA) were evaluated for cervical spine involvement with plain radiographs. Atlantoaxial subluxation (AAS) ranged from 16.4 to 95.7% in plain radiographs while sub-axial subluxation ranged from 10 to 43.6% of cases. Anterior atlantodental interval (AADI) was found to between 2.5 mm and 4.61 mm in neutral and flexion position respectively, while Posterior Atlantodental Interval (PADI) was between 20.4 and 24.92 mm. 660 patients with RA had undergone an MRI. A pannus diagnosis ranged from 13.33 to 85.36% while spinal cord compression was reported in 0-13% of cases. When it comes to surgical outcomes, Atlanto-axial joint (AAJ) fusion success rates ranged from 45.16 to 100% of cases. Furthermore, the incidence of postoperative subluxation ranged from 0 to 77.7%. With regards to AADI it is evident that its value decreased in all studies. Furthermore, an improvement in Ranawat classification was variable between studies with a report improvement frequency by at least one class ranging from 0 to 54.5%. In conclusion, through careful radiographic and clinical evaluation, cervical spine involvement in patients with RA can be detected. Surgery is a valuable option for these patients and can lead to improvement in their symptoms.
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Affiliation(s)
- Timoleon Siempis
- Department of Neurosurgery, Medical School, University of Ioannina, School of Medicine, Ioannina, Greece
| | - Charalampos Tsakiris
- Department of Neurosurgery, Medical School, University of Ioannina, School of Medicine, Ioannina, Greece
| | - Zikou Anastasia
- Department of Radiology, Medical School, University of Ioannina, Ioannina, Greece
| | - George A Alexiou
- Department of Neurosurgery, Medical School, University of Ioannina, School of Medicine, Ioannina, Greece.
| | - Spyridon Voulgaris
- Department of Neurosurgery, Medical School, University of Ioannina, School of Medicine, Ioannina, Greece
| | - Maria I Argyropoulou
- Department of Radiology, Medical School, University of Ioannina, Ioannina, Greece
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Impact of Chronic DMARD Therapy in Patients With Rheumatoid Arthritis Undergoing Surgery of the Craniovertebral Junction: A Multi-center Retrospective Study. Spine (Phila Pa 1976) 2020; 45:930-936. [PMID: 32039944 DOI: 10.1097/brs.0000000000003402] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A multi-centered retrospective review from five institutions. OBJECTIVE The aim of this study was to determine whether continuing or withholding disease-modifying antirheumatoid drugs (DMARDs) in the perioperative period affect outcomes in rheumatoid arthritis (RA) patients undergoing arthrodesis at the craniovertebral junction SUMMARY OF BACKGROUND DATA.: RA is a chronic systemic inflammatory disease that affects the cervical spine and is treated with DMARDs. Some advocate withholding DMARDs in the perioperative period due to concern for the cytotoxic effects of these medications. However, the impact of DMARDs in the perioperative period is not well understood. METHODS A multicenter retrospective study from five affiliated institutions was performed. Adult patients with RA on chronic DMARDs undergoing posterior arthrodesis of the craniovertebral junction (occipital-cervical or atlanto-axial arthrodesis) were identified. Patients were stratified based on whether DMARD therapy was continued (C group) or discontinued (DC group) in the perioperative period. The primary outcome was the need for reoperation and reason for reoperation. RESULTS Thirty-nine patients met inclusion criteria, 19 in C group and 20 in DC group. Average follow-up time was 42 months. Four patients (three in DC group and one in C group) required reoperation. Two patients from the DC group required readmission secondary to RA flare-up. CONCLUSION Our cohort of RA patients who underwent occipital-cervical and C1/C2 posterior arthrodesis showed no significant differences in surgical complications when DMARD therapy was continued or discontinued in the perioperative period. The decision to continue or discontinue DMARD therapy in the perioperative period is at the discretion of the treating physician, but we encourage physicians to counsel patients regarding this theoretical risk and their tolerance of the medications as well as the risk of RA flare-up. Factors such as overall health, disease burden, nutrition, bone quality, smoking status, and other comorbid conditions are likely to have a larger influence on perioperative complications. LEVEL OF EVIDENCE 3.
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Schomacher M, Jiang F, Alrjoub M, Witiw CD, Diamandis P, Fehlings MG. The posterior cervical transdural approach for retro-odontoid mass pseudotumor resection: report of three cases and discussion of the current literature. 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 2020; 29:162-170. [PMID: 32296950 DOI: 10.1007/s00586-020-06405-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 03/02/2020] [Accepted: 03/30/2020] [Indexed: 12/27/2022]
Abstract
OBJECTIVE The treatment of a retro-odontoid pseudotumor mass associated with severe spinal cord compression is challenging due to the complex regional anatomy. Here, we present an attractive treatment option involving a single-stage posterior transdural microsurgical resection followed by instrumented cervical reconstruction. METHODS We describe three patients presenting with clinical signs of cervical myelopathy and an imaging finding of mucoid and fibrous soft or semi-soft retro-odontoid pseudotumor mass with significant spinal cord compression at the C1/C2 level. Given the severity of the symptoms, surgical decompression was planned and fusion was necessitated by the severe degenerative osteoarthritis seen at the C1/C2 level with signs of instability. Using a standard posterior approach to the spine, a suboccipital decompression by craniectomy and laminectomy of C1, C2 and C3 was performed. The masses were visualized and confirmed with ultrasound imaging, and intraoperative neurosurgical monitoring was applied. The dura was then opened from the level of C0-C2. Exiting C2-C3 nerve roots were identified and protected throughout the procedure, and the dentate ligament was cut to facilitate access. Incision of the anterior dura provided easy access to the lesion for resection without any spinal cord retraction. Multiple intraoperative samples were sent to pathology for tissue diagnosis. The dura was closed with sutures and an overlay of fibrin sealant with collagen matrix sponge. The fusion procedures were performed using a standard occipital cervical plate and screws technique with contoured titanium rods. CONCLUSIONS The posterior cervical transdural approach is a safe alternative procedure for mucoid and fibrous soft or semi-soft retro-odontoid pseudotumor mass removal. Preoperative CT scan can evaluate tissue characteristics and distinguish between a soft or ossified mass in front of the spinal cord. Local anatomical conditions facilitate less bleeding and adhesions, together with less spinal cord traction, in the intradural space. Cranio-cervical and suboccipital stabilization can be easily and safely performed with this exposure.
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Affiliation(s)
- M Schomacher
- Vivantes Neurochirurgie, Klinikum Neukoelln, Rudower Str. 48, 12351, Berlin, Germany
| | - F Jiang
- Division of Orthopaedic Surgery, Department of Surgery, Toronto Western Hospital, University Health Network, 399 Bathurst Street, Toronto, ON, M5T 2S8, Canada.,Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, 399 Bathurst Street, Toronto, ON, M5T 2S8, Canada
| | - M Alrjoub
- Department of Pathology, Laboratory Medicine Program, University Health Network, University of Toronto, 200 Elizabeth Street, Toronto, ON, M5G2C4, Canada
| | - C D Witiw
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, 399 Bathurst Street, Toronto, ON, M5T 2S8, Canada
| | - P Diamandis
- Department of Pathology, Laboratory Medicine Program, University Health Network, University of Toronto, 200 Elizabeth Street, Toronto, ON, M5G2C4, Canada
| | - M G Fehlings
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, 399 Bathurst Street, Toronto, ON, M5T 2S8, Canada. .,Department of Surgery, University of Toronto, 149 College Street, Toronto, ON, M5T 1P5, Canada.
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Li X, Wu Z, He B, Zhong W. Tetrandrine alleviates symptoms of rheumatoid arthritis in rats by regulating the expression of cyclooxygenase-2 and inflammatory factors. Exp Ther Med 2018; 16:2670-2676. [PMID: 30186500 DOI: 10.3892/etm.2018.6498] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 03/17/2017] [Indexed: 01/01/2023] Open
Abstract
The present study aimed to construct a rat model of rheumatoid arthritis (RA) to evaluate changes in pathology, the expression of inflammatory factors and regulation of signaling pathways. The protective effect of tetrandrine (Tet) on tissue lesions induced by RA was also investigated. A total of 60 Wistar rats (100-200 g) were randomly divided into six groups (n=10 per group), namely a blank (NC) group, model group, methotrexate (MTX) group (3 mg/kg body weight), high-dose Tet group (31.25 mg/kg body weight), medium-dose Tet group (18.75 mg/kg body weight) and low-dose Tet group (6.25 mg/kg body weight). A rat model of RA was induced via injection of 0.1 ml complete Freund's adjuvant into the right rear toe. Toe swelling rate, arthritis index and immune organ index were calculated. In addition, cyclooxygenase (COX)-2 expression at the mRNA and protein level in the peripheral blood mononuclear cells (PBMCs) of rats were determined by reverse transcription-quantitative polymerase chain reaction and western blot analysis, respectively. Serum concentrations of inflammatory factors were measured using enzyme-linked immunosorbent assays. It was observed that treatment with Tet alleviated the severity of rear toe swelling associated with RA in rats. Furthermore, Tet exerted anti-inflammatory and immunosuppressive effects in the rat model of RA. Tet also reduced the expression of COX-2 in PBMCs and lowered the concentrations of inflammatory factors in the serum of RA rats. The present data indicate that Tet may exert pharmacological effects in the treatment of RA. The mechanism of action of Tet may be associated with the regulation of inflammatory factors and the inhibition of immune organs.
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Affiliation(s)
- Xiang Li
- Department of Pharmacy, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
| | - Zhongxiu Wu
- Department of Pharmacy, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
| | - Bin He
- Department of Pharmacy, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
| | - Wei Zhong
- Cadre Ward, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
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Madhavan K, Chieng LO, Gaynor BG, Levi AD. Transdural approach to resection of retro-odontoid cysts in elderly patients: report of 3 cases. J Neurosurg Spine 2018; 28:236-243. [DOI: 10.3171/2017.6.spine17429] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Retro-odontoid cysts that arise from the tectorial membrane are uncommon lesions that can occur in elderly patients. They arise secondary to degenerative changes, including calcium pyrophosphate deposition within the ligaments. Surgical treatment is indicated when these lesions result in intractable pain, instability, and/or myelopathy. Several surgical techniques to treat this condition exist, but the optimal approach in elderly patients with comorbidities remains controversial. Here, the authors present a case series of 3 patients who underwent successful resection of a retro-odontoid lesion performed through a transdural approach.The patients were 70, 81, and 74 years old and presented with symptoms of cervical myelopathy. In consideration of their advanced age and the location of their lesion, resection via a posterior approach was considered. A 1- to 2-cm suboccipital craniectomy and C-1 and partial C-2 laminectomy were performed. These lesions could not be accessed via an extradural posterolateral approach, and so a transdural approach was performed. In the first 2 patients, a preexisting deformity prompted an instrumented fusion. In the third patient, only a lesion resection was performed. In each case, the dural opening was made using a paramedian ipsilateral-sided incision, and the lesion was resected through an incision in the anterior dura mater. Only the posterior dura was closed primarily. MR imaging evidence of excellent spinal cord decompression was evident in follow-up examinations.Transdural resection of retro-odontoid cysts is a viable option for treating asymmetrical ventral extradural cysts. Results from this case series suggest that such an approach is safe and feasible and can provide an alternative to open or endoscopic anterior transpharyngeal approaches.
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Liu Y, Qian K, Li C, Ma Y, Chen X. Roles of microRNA-539 and osteopontin in rheumatoid arthritis. Exp Ther Med 2017; 15:2681-2687. [PMID: 29467860 DOI: 10.3892/etm.2017.5665] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 06/05/2017] [Indexed: 01/16/2023] Open
Abstract
The present study aimed to investigate the role and mechanism of microRNA-539 (miR-539) in rheumatoid arthritis (RA). A total of 68 RA patients and 46 osteoarthritis patients were enrolled into the current study. Peripheral blood and joint fluid were collected prior to treatment. Reverse transcription-quantitative polymerase chain reaction was performed to detect osteopontin (OPN) mRNA and miR-539 expression levels, while ELISA and western blot analysis were applied to detect OPN protein expression. In addition, bioinformatics analysis predicted that miR-539 directly targeted OPN, while dual-luciferase assay was used to validate this finding. Furthermore, agomiR-539 transfection and OPN knockdown by siRNA were conducted in MH7A cells, and MTT assay was used to detect MH7A cell proliferation. The results indicated that OPN was significantly increased in the blood and joint fluid of RA patients, while miR-539 expression was significantly decreased in the two types of specimens (P<0.05). Subsequent to silencing OPN by siRNA, the proliferation of MH7A cells was decreased (P<0.05). Following upregulation of miR-539, OPN expression was significantly decreased and cell proliferation was inhibited. Dual-luciferase assay revealed that miR-539 regulated OPN expression through complementary binding to 3'-untranslated region. OPN was also significantly increased in the blood and joint fluid of RA patients, which may be associated with the downregulation of miR-539. Thus, miR-539 may promote the development and progression of RA through regulating OPN.
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Affiliation(s)
- Yan Liu
- Department of Rheumatology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu 223300, P.R. China
| | - Kai Qian
- Department of Rheumatology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Chunmei Li
- Department of Rheumatology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Yi Ma
- Department of Rheumatology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
| | - Xingguo Chen
- Department of Rheumatology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, P.R. China
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Li X, Jiang C, Zhu W. Crocin reduces the inflammation response in rheumatoid arthritis. Biosci Biotechnol Biochem 2017; 81:891-898. [PMID: 28388359 DOI: 10.1080/09168451.2016.1263145] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Abstract
This study is to determine the role and mechanism of crocin in rheumatoid arthritis (RA). Totally 60 Wistar SD rats were randomly divided into control group, RA model group, methotrexate group, crocin high dose, middle dose, and low dose groups. The paw swelling degree, arthritis score, thymus and spleen index, the mRNA and protein levels of iNOS, and the serum content of TNF-α, IL-1β, and IL-6 were evaluated. Crocin treatment significantly alleviated the paw swelling of RA rats. The arthritis score in crocin treatment groups was significantly lower than that in RA model group. Additionally, the thymus index, but not the spleen index, declined remarkably in crocin treatment groups than in RA model group. Besides, crocin administration significantly reduced the iNOS production and the serum content of TNF-α, IL-1β, and IL-6. Crocin may exert potent anti-RA effects through inhibiting cytokine.
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Affiliation(s)
- Xiang Li
- Department of Pharmacy, Zaozhuang Municipal Hospital, Zaozhuang, P.R. China
| | - Chao Jiang
- Department of Rehabilitation, Zaozhuang Municipal Hospital, Zaozhuang, P.R. China
| | - Wenyong Zhu
- Medical Department, Zaozhuang Municipal Hospital, Zaozhuang, P.R. China
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Li S, Wu Z, Li L, Liu X. Interleukin-6 (IL-6) Receptor Antagonist Protects Against Rheumatoid Arthritis. Med Sci Monit 2016; 22:2113-8. [PMID: 27322646 PMCID: PMC4920098 DOI: 10.12659/msm.896355] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background The aim of this study was to investigate the protective effect of interleukin-6 (IL-6) receptor antagonist tocilizumab (TCZ) on rheumatoid arthritis (RA) and its related mechanism. Material/Methods Thirty RA patients receiving long-term methotrexate therapy at moderate and severe active stages were selected and treated with TCZ 8 mg/kg/time iv gtt intravenously guttae every 4 weeks. Peripheral blood was extracted before and 24 weeks after TCZ treatment. Peripheral blood mononuclear cells (PBMC) were collected by density gradient centrifugation. Flow cytometry was used to detect the ratio of CD4 naïve T cells and CD4 memory T cells, Th17 cells, and Treg cells in PBMC. DAS28 score, CRP, RF, and CCP levels in patients were evaluated. Results Compared with before treatment, IL-6 receptor antagonist TCZ significantly improved patients’ condition, including DAS28 score, CRP, RF, and CCP levels (P<0.01). Furthermore, TCZ obviously upregulated CD4 naïve T cells proportion and decreased CD4 memory T cells ratio (P<0.01). TCZ also markedly reduced the proportion of Th17 cells and increased the proportion of Treg cells (P<0.01). Conclusions TCZ can treat RA patients through regulating the ratio of CD4 naïve T cells, CD4 memory T cells, Th17 cells, and Treg cells in PBMC.
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Affiliation(s)
- Songsong Li
- Department of Rheumatism, Tianjin People's Hospital of Nankai University, Tianjin, China (mainland)
| | - Zhenzhou Wu
- College of Life Sciences, Nankai University, Tianjin, China (mainland)
| | - Ling Li
- Department of Rheumatism, Tianjin People's Hospital of Nankai University, Tianjin, China (mainland)
| | - Xuehua Liu
- Department of Rheumatism, Tianjin People's Hospital of Nankai University, Tianjin, China (mainland)
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