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Anderson B, Shahidi B. The Impact of Spine Pathology on Posterior Ligamentous Complex Structure and Function. Curr Rev Musculoskelet Med 2023; 16:616-626. [PMID: 37870725 PMCID: PMC10733250 DOI: 10.1007/s12178-023-09873-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/06/2023] [Indexed: 10/24/2023]
Abstract
PURPOSE OF REVIEW Spinal ligament is an important component of the spinal column in mitigating biomechanical stress. Particularly the posterior ligamentous complex, which is composed of the ligamentum flavum, interspinous, and supraspinous ligaments. However, research characterizing the biomechanics and role of ligament health in spinal pathology and clinical context are scarce. This article provides a comprehensive review of the implications of spinal pathology on the structure, function, and biomechanical properties of the posterior ligamentous complex. RECENT FINDINGS Current research characterizing biomechanical properties of the posterior ligamentous complex is primarily composed of cadaveric studies and finite element modeling, and more recently incorporating patient-specific anatomy into finite element models. The ultimate goal of current research is to understand the relative contributions of these ligamentous structures in healthy and pathological spine, and whether preserving ligaments may play an important role in spinal surgical techniques. At baseline, posterior ligamentous complex structures account for 30-40% of spinal stability, which is highly dependent on the intrinsic biomechanical properties of each ligament. Biomechanics vary widely with pathology and following rigid surgical fixation techniques and are generally maladaptive. Often secondary to morphological changes in the setting of spinal pathology, but morphological changes in ligament may also serve as a primary pathology. Biomechanical maladaptations of the spinal ligament adversely influence overall spinal column integrity and ultimately predispose to increased risk for surgical failure and poor clinical outcomes. Future research is needed, particularly in living subjects, to better characterize adaptations in ligaments that can provide targets for improved treatment of spinal pathology.
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Affiliation(s)
- Bradley Anderson
- Department of Orthopaedic Surgery, The University of California San Diego, 9500 Gilman Dr., MC0863, La Jolla, San Diego, CA, 92093, USA
| | - Bahar Shahidi
- Department of Orthopaedic Surgery, The University of California San Diego, 9500 Gilman Dr., MC0863, La Jolla, San Diego, CA, 92093, USA.
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Rushton A, Elena B, Jadhakhan F, Masson A, Staal JB, Verra ML, Emms A, Reddington M, Cole A, Willems PC, Benneker L, Heneghan NR, Soundy A. Immediate patient perceptions following lumbar spinal fusion surgery: semi-structured multi-centre interviews exploring the patient journey and experiences of lumbar fusion surgery (FuJourn). 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; 31:3590-3602. [PMID: 36114890 DOI: 10.1007/s00586-022-07381-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 08/28/2022] [Accepted: 09/04/2022] [Indexed: 12/14/2022]
Abstract
PURPOSE To understand the patient journey to Lumbar Spinal Fusion Surgery (LSFS) and patients' experiences of surgery. METHODS Qualitative study using interpretive phenomenological analysis. Adult participants following LSFS were recruited from 4 UK clinical sites using purposive sampling to ensure representation of key features (e.g. age). Semi-structured interviews informed by a piloted topic guide developed from the literature were audio-recorded and transcribed verbatim. Framework analysis for individual interviews and then across participants (deductive and inductive) identified emerging themes. Trustworthiness of data analyses was enhanced using multiple strategies (e.g. attention to negative cases). RESULTS Four emerging themes from n = 31 patients' narratives were identified: decision for surgery, coping strategies, barriers to recovery and recovery after surgery. Decision for surgery and recovery after surgery themes are distinguished by the point of surgery. However, barriers to recovery and coping strategies are key to the whole patient journey encompassing long journeys to surgery and their initial journey after surgery. The themes of coping strategies and barriers to recovery were inter-related and perceived by participants as parallel concepts. The 4 multifactorial themes interacted with each other and shaped the process of an individual patient's recovery. Factors such as sporadic interventions prior to surgery, time-consuming wait for diagnosis and surgery and lack of information regarding recovery strongly influenced perceptions of outcome. CONCLUSION Patient driven data enables insights to inform research regarding surgery/rehabilitation through depth of understanding of the patient journey. Awareness of factors important to patients is important; ensuring that patient-driven data informs research and patient care.
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Affiliation(s)
- Alison Rushton
- School of Physical Therapy, Faculty of Health Sciences, Western University, London, ON, Canada. .,Centre of Precision Rehabilitation for Spinal Pain, School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham, UK.
| | - Bini Elena
- Centre of Precision Rehabilitation for Spinal Pain, School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham, UK
| | - Feroz Jadhakhan
- Centre of Precision Rehabilitation for Spinal Pain, School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham, UK
| | - Annabel Masson
- Centre of Precision Rehabilitation for Spinal Pain, School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham, UK
| | - J Bart Staal
- Radboud Institute for Health Sciences, IQ Healthcare, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Martin L Verra
- Department of Physiotherapy, Bern University Hospital, Insel Group, Bern, Switzerland
| | - Andrew Emms
- Department of Physiotherapy, The Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham, UK
| | - Michael Reddington
- Department of Physiotherapy, Sheffield Teaching Hospitals NHS Foundation Trust, Northern General Hospital, Sheffield, UK
| | - Ashley Cole
- Department of Orthopaedics & Trauma, Sheffield Children's Hospital NHS Foundation Trust, Sheffield, UK
| | - Paul C Willems
- Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Lorin Benneker
- Department of Orthopaedic Surgery Inselspital, University of Bern, Bern, Switzerland
| | - Nicola R Heneghan
- Centre of Precision Rehabilitation for Spinal Pain, School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham, UK
| | - Andrew Soundy
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham, UK
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Fuster S, Martínez-Anda JJ, Castillo-Rivera SA, Vargas-Reverón C, Tornero E. Dynamic Fixation Techniques for the Prevention of Adjacent Segment Disease: A Retrospective Controlled Study. Asian Spine J 2021; 16:401-410. [PMID: 34130381 PMCID: PMC9260399 DOI: 10.31616/asj.2020.0585] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 01/31/2021] [Indexed: 12/27/2022] Open
Abstract
Study Design Retrospective, controlled study. Purpose Dynamic fixation (topping-off technique) adjacent to a transforaminal lumbar interbody fusion (TLIF) level was developed to reduce the risk of adjacent segment disease (ASDi). This study was designed to compare the clinical and radiological outcomes between patients who underwent circumferential lumbar fusion (CLF) without the topping-off technique, CLF with dynamic rod constructs (DRC), and CLF with interspinous device (ISD). Overview of Literature Lumbar fusion can result in the re-distribution of stress, increased mobility, and increased intradiscal pressure at adjacent levels, ultimately leading to adjacent segment degeneration (ASDe) and ASDi. Dynamic fixation techniques (topping-off techniques) adjacent to vertebral fusion have been developed to reduce the risk of ASDe and ASDi because they provide a transitional zone between a caudal rigid fused segment and cephalad-mobile unfused levels. Methods A single-center, retrospective, controlled study was designed, including all patients who underwent CLF due to degenerative lumbar spinal disease in Hospital Clinic of Barcelona between 2012 and 2018. Three groups of patients were evaluated as per the type of topping-off technique used: CLF alone group, DRC group, and ISD group. Clinical and radiological outcomes were evaluated. Results A total of 117 patients were enrolled in the study. Sixty patients (51.3%) underwent CLF without dynamic stabilization, 24 (20.5%) were treated with DRC as topping-off technique, and 33 (28.5%) were treated with an ISD. A total of 12 patients (20.0%) in the CLF alone group showed ASDi at the final follow-up, compared to 1 (4.2%) in the DRC group (p=0.097) and 2 (6.1%) in the ISD group (p=0.127). The Cox regression model identified a significantly decreased risk of ASDi when a topping-off technique (DRC or ISD) was used (hazard ratio, 0.154; 95% confidence interval, 0.31–0.77). Conclusions Dynamic fixation adjacent to CLF was a safe and efficient procedure associated with improved clinical outcomes in patients with lumbar spine degenerative disease.
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Affiliation(s)
- Salvador Fuster
- Spine Surgery Department, Hospital Clinic of Barcelona, Universitat de Barcelona, Barcelona, Spain
| | | | | | - Caribay Vargas-Reverón
- Spine Surgery Department, Hospital Clinic of Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - Eduard Tornero
- Spine Surgery Department, Hospital Clinic of Barcelona, Universitat de Barcelona, Barcelona, Spain
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Selection of the fusion and fixation range in the intervertebral surgery to correct thoracolumbar and lumbar tuberculosis: a retrospective clinical study. BMC Musculoskelet Disord 2021; 22:466. [PMID: 34020626 PMCID: PMC8140488 DOI: 10.1186/s12891-021-04335-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 04/30/2021] [Indexed: 11/10/2022] Open
Abstract
Background To compare the diseased verses the non-diseased intervertebral surgery used in the treatment of thoracolumbar and lumbar spinal tuberculosis and to explore the best choice of fusion of fixation range. Methods Two hundred twenty-one patients with thoracolumbar and lumbar tuberculosis were categorized into two groups. One hundred eighteen patients underwent the diseased intervertebral surgery (lesion vertebral pedicle fixation, Group A) and 103 patients underwent the non-diseased intervertebral surgery (1 or 2 vertebral fixation above and below the affected vertebra, group B). Spinal tuberculosis diagnosis was confirmed in both groups of patients before lesion removal, bone graft fusion, and internal fixation. Clinical data and efficacy of the two surgical methods were then evaluated. Results The mean follow-up duration for both procedures was 65 months (50–68 months range). There were no significant differences in laboratory examinations, VAS scores, and the Cobb angle correction rate and the angle loss. However, significant differences existed in the operation time, blood loss, serosanguineous drainage volume, and blood transfusion requirement between the two groups. The diseased intervertebral surgery group performed significantly better than the non-diseased intervertebral surgery group in all of these areas. In both cases, the bone graft fused completely with the normal bone by the last follow-up, occuring at 50–86 months post surgery. Conclusion The diseased intervertebral surgery is a safe and feasible option for the treatment of thoracolumbar and lumbar tuberculosis. It effectively restores the physiological curvature of the spine and reduces the degeneration of adjacent vertebral bodies in the spinal column.
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Dynamic Stabilization Adjacent to Fusion versus Posterior Lumbar Interbody Fusion for the Treatment of Lumbar Degenerative Disease: A Meta-Analysis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:9309134. [PMID: 32550234 PMCID: PMC7256707 DOI: 10.1155/2020/9309134] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 02/07/2020] [Accepted: 02/28/2020] [Indexed: 01/11/2023]
Abstract
This study evaluated differences in outcome variables between dynamic stabilization adjacent to fusion (DATF) and posterior lumbar interbody fusion (PLIF) for the treatment of lumbar degenerative disease. A systematic review of PubMed, EMBASE, and Cochrane was performed. The variables of interest included clinical adjacent segment pathologies (CASPs), radiological adjacent segment pathologies (RASPs), lumbar lordosis (LL), visual analogue scale (VAS) of back (VAS-B) and leg (VAS-L), Oswestry disability index (ODI), Japanese Orthopaedic Association (JOA) score, duration of surgery (DS), estimated blood loss (EBL), complications, and reoperation rate. Nine articles identified as meeting all of the inclusion criteria. DATF was better than PLIF in proximal RASP, CASP, and ODI during 3 months follow-up, VAS-L. However, no significant difference between DATF and PLIF was found in distal RASP, LL, JOA score, VAS-B, ODI after 3 months follow-up, complication rates, and reoperation rate. These further confirmed that DATF could decrease the proximal ASP both symptomatically and radiographically as compared to fusion group; however, the influence of DATF on functional outcome was similar with PLIF. The differences between hybrid surgery and topping-off technique were located in DS and EBL in comparison with PLIF. Our study confirmed that DATF could decrease the proximal ASP both symptomatically and radiographically as compared to the fusion group; however, the influence of DATF on functional outcome was similar with PLIF. The difference between hybrid surgery and topping-off technique was not significant in treatment outcomes.
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