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Bakare A, Alvarado AM, Coelho V, Varela JR, Reine GJ, Mazza J, Fontes RBV, Deutsch H, O'Toole JE, Fessler RG. The Impact of L4-L5 Minimally Invasive Transforaminal Lumbar Interbody Fusion on 2-Year Adjacent-level Parameters. World Neurosurg 2024:S1878-8750(24)01180-X. [PMID: 38992727 DOI: 10.1016/j.wneu.2024.07.041] [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: 05/01/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/13/2024]
Abstract
OBJECTIVE This study evaluates the impact of L4-L5 minimally invasive surgery (MIS)- transforaminal lumbar interbody fusion (TLIF) on adjacent-level parameters. METHODS This is a retrospective study performed on consecutive patients between January 2015 and December 2019. The index- and adjacent-level segmental lordosis (SL) and disc angle (DA) were measured. Patient-reported outcomes (PROs) were collected preoperatively and at 3-24 months postoperatively. Factors influencing changes in adjacent-level parameters and the occurrence of adjacent segment degeneration (ASDeg) were assessed. RESULTS A total of 117 adult patients, averaging 65.5 years of age and slight preponderance of female (56.4%), were analyzed. L4-L5 SL decreased at 2 years (P < 0.05), but L4-L5 DA significantly increased at all timepoints (P < 0.05). While L3-L4 SL and DA significantly decreased at all timepoints (P < 0.05), L5-S1 SL decreased at 3 and 12 months (P < 0.05) and L5-S1 DA only significantly decreased at 2 years (P < 0.05). All PROs improved significantly (P < 0.0001). The ASDeg rate was 19.7% at 2.2 years. Cephalad and caudal ASDeg rates were 12.0% and 10.3%, respectively. Eight patients (6.8%) required adjacent-level reoperations, mainly at L3-L4 (6 cases). The use of expandable cage significantly reduced the odds of caudal ASDeg (OR 0.15, P = 0.037), but had no significant effect on cephalad ASDeg. CONCLUSIONS L4-L5 MIS-TLIF had a more consistent effect on L3-L4 than L5-S1. Although adjacent-level SL and DA decreased over time, their association with ASDeg appears limited, suggesting a multifactorial etiology. L4-L5 MIS-TLIF provides demonstrable clinical benefits with lasting PRO improvements and low adjacent-level reoperations.
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Affiliation(s)
- Adewale Bakare
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA.
| | - Anthony M Alvarado
- Department of Neurosurgery, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Vicente Coelho
- Department of Neurological Surgery, The Ohio State University College of Medicine Wexner Medical Center, Columbus, Ohio, USA
| | - Jesus R Varela
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Gibson J Reine
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Jacob Mazza
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Ricardo B V Fontes
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Harel Deutsch
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - John E O'Toole
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Richard G Fessler
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
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Lee S, Kim JG, Kim HJ. Comparison of surgical outcomes between lumbar interbody fusions using expandable and static cages: a systematic review and meta-analysis. Spine J 2023; 23:1593-1601. [PMID: 37473812 DOI: 10.1016/j.spinee.2023.07.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 07/07/2023] [Accepted: 07/16/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND The use of static cages for lumbar interbody fusion (LIF) can cause complications such as end plate violation, graft subsidence, and nerve injury. Therefore, expandable cages that allow for in-situ expansion have been developed to overcome these problems. However, it remains uncertain whether expandable cages have better surgical outcomes than static cages do. PURPOSE We aimed to determine the effectiveness of expandable cages by analyzing studies that compared the surgical outcomes between the use of expandable cages and static cages. STUDY DESIGN A systematic review and meta-analysis. METHODS The preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines were used to conduct this meta-analysis and systematic review. The primary outcomes of this study were anterior disc height, posterior disc height, segmental lordosis (SL), lumbar lordosis (LL), subsidence rate, numeric rating scale (NRS) scores for back and leg pain, and Oswestry Disability Index (ODI). RESULTS Thirteen studies with 1,700 patients were included in the meta-analysis. Compared with static cages for LIFs, expandable cages significantly increased the anterior disc height (standardized mean difference 0.478, 95% confidence interval [CI] 0.088-0.867, p=.0162) and segmental lordosis (sMD 0.307, 95% CI 0.159-0.454, p<.0001). There were no significant differences in the posterior disc height, lumbar lordosis, subsidence rate, back pain, leg pain, or ODI between the two groups. CONCLUSION Expandable cages show no clear clinical benefit over static cages.
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Affiliation(s)
- Sanghoon Lee
- Spine Center and Department of Orthopedic Surgery, Seoul National University College of Medicine and Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Sungnam 463-707, Republic of Korea
| | - Jung Guel Kim
- Spine Center and Department of Orthopedic Surgery, Seoul National University College of Medicine and Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Sungnam 463-707, Republic of Korea
| | - Ho-Joong Kim
- Spine Center and Department of Orthopedic Surgery, Seoul National University College of Medicine and Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Sungnam 463-707, Republic of Korea.
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Su YH, Wu PK, Wu MH, Wong KW, Li WW, Chou SH. Comparison of the Radiographic and Clinical Outcomes Between Expandable Cage and Static Cage for Transforaminal Lumbar Interbody Fusion: A Systematic Review and Meta-Analysis. World Neurosurg 2023; 179:133-142. [PMID: 37579991 DOI: 10.1016/j.wneu.2023.08.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 08/16/2023]
Affiliation(s)
- Yu-Hsiang Su
- Department of Education, China Medical University Hospital, Taichung, Taiwan
| | - Po-Kuan Wu
- Department of Orthopaedics, Chi Mei Medical Center, Tainan, Taiwan
| | - Meng-Huang Wu
- Department of Orthopaedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; TMU Biodesign Center, Taipei Medical University, Taipei, Taiwan; Department of Orthopaedics, Taipei Medical University Hospital, Taipei, Taiwan
| | - Kin-Weng Wong
- Department of Orthopaedics, Chi Mei Medical Center, Tainan, Taiwan; Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Wei Li
- Department of Orthopaedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Shih-Hsiang Chou
- Department of Orthopaedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Departments of Orthopedics, School of Post-Baccalaureate Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Li G, Yang L, Wu G, Qian Z, Li H. An update of interbody cages for spine fusion surgeries: from shape design to materials. Expert Rev Med Devices 2022; 19:977-989. [PMID: 36617696 DOI: 10.1080/17434440.2022.2165912] [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: 01/10/2023]
Abstract
INTRODUCTION Discectomy and interbody fusion are widely used in the treatment of intervertebral disc-related diseases. Among them, the interbody cage plays a significant role. However, the complications related to the interbody cage, such as nonunion or pseudoarthrosis, subsidence, loosening, and prolapse of the cage, cannot be ignored. By changing the design and material of the interbody fusion cage, a better fusion effect can be obtained, the incidence of appeal complications can be reduced, and the quality of life of patients after interbody fusion can be improved. AREAS COVERED This study reviewed the research progress of cage design and material and discussed the methods of cage design and material to promote intervertebral fusion. EXPERT OPINION Current treatment of cervical and lumbar degenerative disease requires interbody fusion to maintain decompression and to promote fusion and reduce the incidence of fusion failure through improvements in implant material, design, internal structure, and function. However, interbody fusion is not an optimal solution for treating vertebral instability.Abbreviations: ACDF, Anterior cervical discectomy and fusion; ALIF, anterior lumbar interbody fusion; Axi-aLIF, axial lumbar interbody fusion; BAK fusion cage, Bagby and Kuslich fusion cage; CADR, cervical artificial disc replacement; DBM, decalcified bone matrix; HA, hydroxyapatite; LLIF/XLIF, lateral or extreme lateral interbody fusion; MIS-TLIF, minimally invasive transforaminal lumbar interbody fusion; OLIF/ATP, oblique lumbar interbody fusion/anterior to psoas; PEEK, Poly-ether-ether-ketone; PLIF, posterior lumbar interbody fusion; ROI-C, Zero-profile Anchored Spacer; ROM, range of motion; SLM, selective melting forming; TLIF, transforaminal lumbar interbody fusion or.
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Affiliation(s)
- Guangshen Li
- Nantong University Medical School, 226000, Nantong, Jiangsu, China.,Department of Orthopedics, Hospital Affiliated 5 to Nantong University, Taizhou People's Hospital, 225300, Taizhou, China.,Department of Orthopedics, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
| | - Lei Yang
- Department of Orthopedics, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
| | - Gang Wu
- Department of Orthopedics, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China
| | - Zhanyang Qian
- School of Medicine, Southeast University, Nanjing, China; Spine Center, Zhongda Hospital of Southeast University, Nanjing, China
| | - Haijun Li
- Nantong University Medical School, 226000, Nantong, Jiangsu, China.,Department of Orthopedics, Hospital Affiliated 5 to Nantong University, Taizhou People's Hospital, 225300, Taizhou, China.,Department of Orthopedics, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, China.,Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, Jiangsu, China
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Lin GX, Kim JS, Kotheeranurak V, Chen CM, Hu BS, Rui G. Does the application of expandable cages in TLIF provide improved clinical and radiological results compared to static cages? A meta-analysis. Front Surg 2022; 9:949938. [PMID: 36034361 PMCID: PMC9400024 DOI: 10.3389/fsurg.2022.949938] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 07/26/2022] [Indexed: 11/25/2022] Open
Abstract
Purpose This study aimed to provide a direct meta-analysis of the evidence comparing outcomes between expandable cages and static cages in patients with transforaminal lumbar interbody fusion (TLIF). Methods A search of relevant materials from databases was performed from inception to March 7, 2022. Clinical and radiological outcomes were included. Results Ten studies (1,440 patients) were included. The anterior disc height and foraminal height for expandable cages were substantially higher than those for static cages at the final follow-up (P < 0.0001; P = 0.05). In comparison with static cages, although not statistically significant, expandable cages showed beneficial results, including an increase in posterior disc height and segmental lordosis. There were no statistically significant differences in segmental lordosis, lumbar lordosis, pelvic parameters, cage subsidence, or fusion rates (P > 0.05). Oswestry disability index scores for expandable cages were substantially lower than those for static cages at the final follow-up (P = 0.0007). Interestingly, although the preoperative visual analog scores for back and leg pain were significantly higher in the expandable group than in the static group (P < 0.0001; P = 0.008), there was no significant difference between the static and expandable groups during the final follow-up (P = 0.51; P = 0.85). Conclusions Expandable cages are associated with improved functional outcomes and restored postoperative disc and foraminal heights in patients with TLIF. In addition, no statistically significant differences were observed in segmental lordosis, lumbar lordosis, pelvic parameters, cage subsidence, or fusion rate.
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Affiliation(s)
- Guang-Xun Lin
- Department of Orthopedics, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- The Third Clinical Medical College, Fujian Medical University, Fuzhou, China
| | - Jin-Sung Kim
- Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Vit Kotheeranurak
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University, and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
- Center of Excellence in Biomechanics and Innovative Spine Surgery, Chulalongkorn University, Bangkok, Thailand
| | - Chien-Min Chen
- Division of Neurosurgery, Department of Surgery, Changhua Christian Hospital, Changhua, Taiwan
- Department of Leisure Industry Management, National Chin-Yi University of Technology, Taichung, Taiwan
- School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Correspondence: Chien-Min Chen Gang Rui Bao-Shan Hu
| | - Bao-Shan Hu
- Department of Orthopedics, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- The Third Clinical Medical College, Fujian Medical University, Fuzhou, China
- Correspondence: Chien-Min Chen Gang Rui Bao-Shan Hu
| | - Gang Rui
- Department of Orthopedics, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- The Third Clinical Medical College, Fujian Medical University, Fuzhou, China
- Correspondence: Chien-Min Chen Gang Rui Bao-Shan Hu
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