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Bokov AE, Kalinina SY, Khaltyrov MI, Saifullin AP, Bulkin AA. Factors that influence the results of indirect decompression employing oblique lumbar interbody fusion. World J Orthop 2024; 15:734-743. [PMID: 39165880 PMCID: PMC11331328 DOI: 10.5312/wjo.v15.i8.734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 07/06/2024] [Accepted: 07/30/2024] [Indexed: 08/13/2024] Open
Abstract
BACKGROUND Indirect decompression is one of the potential benefits of anterior reconstruction in patients with spinal stenosis. On the other hand, the reported rate of revision surgery after indirect decompression highlights the necessity of working out prediction models for the radiographic results of indirect decompression with assessing their clinical relevance. AIM To assess factors that influence radiographic and clinical results of the indirect decompression in patients with stenosis of the lumbar spine. METHODS This study is a single-center cross-sectional evaluation of 80 consecutive patients (17 males and 63 females) with lumbar spinal stenosis combined with the instability of the lumbar spinal segment. Patients underwent single level or bisegmental spinal instrumentation employing oblique lumbar interbody fusion (OLIF) with percutaneous pedicle screw fixation. Radiographic results of the indirect decompression were assessed using computerized tomography, while MacNab scale was used to assess clinical results. RESULTS After indirect decompression employing anterior reconstruction using OLIF, the statistically significant increase in the disc space height, vertebral canal square, right and left lateral canal depth were detected (Р < 0.0001). The median (M) relative vertebral canal square increase came to М = 24.5% with 25%-75% quartile border (16.3%; 33.3%) if indirect decompression was achieved by restoration of the segment height. In patients with the reduction of the upper vertebrae slip, the median of the relative increase in vertebral canal square accounted for 49.5% with 25%-75% quartile border (2.35; 99.75). Six out of 80 patients (7.5%) presented with unsatisfactory results because of residual nerve root compression. The critical values for lateral recess depth and vertebral canal square that were associated with indirect decompression failure were 3 mm and 80 mm2 respectively. CONCLUSION Indirect decompression employing anterior reconstruction is achieved by the increase in disc height along the posterior boarder and reduction of the slipped vertebrae in patients with degenerative spondylolisthesis. Vertebral canal square below 80 mm2 and lateral recess depth less than 3 mm are associated with indirect decompression failures that require direct microsurgical decompression.
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Affiliation(s)
- Andrey E Bokov
- Department of Neurosurgery, Institute of Traumatology and Orthopedics, Privolzhsky Research Medical University, Nizhny Novgorod, 603005, Russia
| | - Svetlana Y Kalinina
- Department of Neurosurgery, Institute of Traumatology and Orthopedics, Privolzhsky Research Medical University, Nizhny Novgorod, 603005, Russia
| | - Mingiyan I Khaltyrov
- Department of Traumatology, Orthopedics and Neurosurgery, Privolzhsky Research Medical University, Nizhny Novgorod, 603005, Russia
| | - Alexandr P Saifullin
- Department of Traumatology, Orthopedics and Neurosurgery, Privolzhsky Research Medical University, Nizhny Novgorod, 603005, Russia
| | - Anatoliy A Bulkin
- Department of Neurosurgery, Institute of Traumatology and Orthopedics, Privolzhsky Research Medical University, Nizhny Novgorod, 603005, Russia
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Limthongkul W, Thanapura C, Jitpakdee K, Praisarnti P, Kotheeranurak V, Yingsakmongkol W, Tanasansomboon T, Singhatanadgige W. Is Direct Decompression Necessary for Lateral Lumbar Interbody Fusion (LLIF)? A Randomized Controlled Trial Comparing Direct and Indirect Decompression With LLIF in Selected Patients. Neurospine 2024; 21:342-351. [PMID: 38569646 PMCID: PMC10992655 DOI: 10.14245/ns.2346906.453] [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: 08/26/2023] [Revised: 11/11/2023] [Accepted: 11/13/2023] [Indexed: 04/05/2024] Open
Abstract
OBJECTIVE To compare the clinical and radiographic outcomes following lateral lumbar interbody fusion (LLIF) between direct and indirect decompression in the treatment of patients with degenerative lumbar diseases. METHODS Patients who underwent single-level LLIF were randomized into 2 groups: direct decompression (group D) and indirect decompression (group I). Clinical outcomes including the Oswestry Disability index and visual analogue scale of back and leg pain were collected. Radiographic outcomes including cross-sectional area (CSA) of thecal sac, disc height, foraminal height, foraminal area, fusion rate, segmental, and lumbar lordosis were measured. RESULTS Twenty-eight patients who met the inclusion criteria were eligible for the analysis, with a distribution of 14 subjects in each group. The average age was 66.1 years. Postoperatively, significant improvements were observed in all clinical parameters. However, these improvements did not show significant difference between both groups at all follow-up periods. All radiographic outcomes were not different between both groups, except for the increase in CSA which was significantly greater in group D (77.73 ± 20.26 mm2 vs. 54.32 ± 35.70 mm2, p = 0.042). Group I demonstrated significantly lower blood loss (68.13 ± 32.06 mL vs. 210.00 ± 110.05 mL, p < 0.005), as well as shorter operative time (136.35 ± 28.07 minutes vs. 182.18 ± 42.67 minutes, p = 0.002). Overall complication rate was not different. CONCLUSION Indirect decompression through LLIF results in comparable clinical improvement to LLIF with additional direct decompression over 1-year follow-up period. These findings suggest that, for an appropriate candidate, direct decompression in LLIF might not be necessary since the ligamentotaxis effect achieved through indirect decompression appears sufficient to relieve symptoms while diminishing blood loss and operative time.
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Affiliation(s)
- Worawat Limthongkul
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Center of Excellence in Biomechanics and Innovative Spine Surgery, Chulalongkorn University, Bangkok, Thailand
| | - Chayapong Thanapura
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Center of Excellence in Biomechanics and Innovative Spine Surgery, Chulalongkorn University, Bangkok, Thailand
| | - Khanathip Jitpakdee
- Department of Orthopedics, Queen Savang Vadhana Memorial Hospital, Thai Red Cross Society, Sriracha, Chonburi, Thailand
| | - Pakawas Praisarnti
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Center of Excellence in Biomechanics and Innovative Spine Surgery, Chulalongkorn University, Bangkok, Thailand
| | - Vit Kotheeranurak
- Department of Orthopedics, Queen Savang Vadhana Memorial Hospital, Thai Red Cross Society, Sriracha, Chonburi, Thailand
| | - Wicharn Yingsakmongkol
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Center of Excellence in Biomechanics and Innovative Spine Surgery, Chulalongkorn University, Bangkok, Thailand
| | - Teerachat Tanasansomboon
- Center of Excellence in Biomechanics and Innovative Spine Surgery, Chulalongkorn University, Bangkok, Thailand
| | - Weerasak Singhatanadgige
- Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Center of Excellence in Biomechanics and Innovative Spine Surgery, Chulalongkorn University, Bangkok, Thailand
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Kawakami M, Takeshita K, Inoue G, Sekiguchi M, Fujiwara Y, Hoshino M, Kaito T, Kawaguchi Y, Minetama M, Orita S, Takahata M, Tsuchiya K, Tsuji T, Yamada H, Watanabe K. Japanese Orthopaedic Association (JOA) clinical practice guidelines on the management of lumbar spinal stenosis, 2021 - Secondary publication. J Orthop Sci 2023; 28:46-91. [PMID: 35597732 DOI: 10.1016/j.jos.2022.03.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/17/2022] [Accepted: 03/29/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND The Japanese Orthopaedic Association (JOA) guideline for the management of lumbar spinal stenosis (LSS) was first published in 2011. Since then, the medical care system for LSS has changed and many new articles regarding the epidemiology and diagnostics of LSS, conservative treatments such as new pharmacotherapy and physical therapy, and surgical treatments including minimally invasive surgery have been published. In addition, various issues need to be examined, such as verification of patient-reported outcome measures, and the economic effect of revised medical management of patients with lumbar spinal disorders. Accordingly, in 2019 the JOA clinical guidelines committee decided to update the guideline and consequently established a formulation committee. The purpose of this study was to describe the formulation we implemented for the revision of the guideline, incorporating the recent advances of evidence-based medicine. METHODS The JOA LSS guideline formulation committee revised the previous guideline based on the method for preparing clinical guidelines in Japan proposed by the Medical Information Network Distribution Service in 2017. Background and clinical questions were determined followed by a literature search related to each question. Appropriate articles based on keywords were selected from all the searched literature. Using prepared structured abstracts, systematic reviews and meta-analyses were performed. The strength of evidence and recommendations for each clinical question was decided by the committee members. RESULTS Eight background and 15 clinical questions were determined. Answers and explanations were described for the background questions. For each clinical question, the strength of evidence and the recommendation were both decided, and an explanation was provided. CONCLUSIONS The 2021 clinical practice guideline for the management of LSS was completed according to the latest evidence-based medicine. We expect that this guideline will be useful for all medical providers as an index in daily medical care, as well as for patients with LSS.
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Affiliation(s)
| | | | - Gen Inoue
- Department of Orthopaedic Surgery, Kitasato University, Japan
| | - Miho Sekiguchi
- Department of Orthopaedic Surgery, Fukushima Medical University, Japan
| | - Yasushi Fujiwara
- Department of Orthopaedic Surgery, Hiroshima City Asa Citizens Hospital, Japan
| | - Masatoshi Hoshino
- Department of Orthopaedic Surgery, Osaka City General Hospital, Japan
| | - Takashi Kaito
- Department of Orthopaedic Surgery, Osaka University, Japan
| | | | - Masakazu Minetama
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Japan
| | - Sumihisa Orita
- Center for Frontier Medical Engineering (CFME), Department of Orthopaedic Surgery, Chiba University, Japan
| | - Masahiko Takahata
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Japan
| | | | - Takashi Tsuji
- Department of Orthopaedic Surgery, National Hospital Organization Tokyo Medical Center, Japan
| | - Hiroshi Yamada
- Department of Orthopaedic Surgery, Wakayama Medical University, Japan
| | - Kota Watanabe
- Department of Orthopaedic Surgery, Keio University, Japan
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Morimoto M, Tamaki S, Ogawa T, Fujimoto S, Sugiura K, Takeuchi M, Manabe H, Tezuka F, Yamashita K, Fujitani J, Sairyo K. Advantages of Full-endoscopic Trans-Kambin's Triangle Lumbar Interbody Fusion for Degenerative Spondylolisthesis: Illustrative Cases. NMC Case Rep J 2023; 10:87-92. [PMID: 37131495 PMCID: PMC10149142 DOI: 10.2176/jns-nmc.2022-0287] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 11/28/2022] [Indexed: 05/04/2023] Open
Abstract
Various approaches to lumbar interbody fusion have been described. The usefulness of full-endoscopic trans-Kambin's triangle lumbar interbody fusion has recently been reported. This technique has several advantages in patients with degenerative spondylolisthesis, including the ability to improve symptoms without decompression surgery. Moreover, given that the entire procedure is performed percutaneously, it can be performed without increasing the operation time or surgical invasiveness, even in obese patients. In this article, we discuss these advantages and illustrate them with representative cases.
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Affiliation(s)
- Masatoshi Morimoto
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Shunsuke Tamaki
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Takayuki Ogawa
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Shutaro Fujimoto
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Kosuke Sugiura
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Makoto Takeuchi
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Hiroaki Manabe
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Fumitake Tezuka
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Kazuta Yamashita
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Junzo Fujitani
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
| | - Koichi Sairyo
- Department of Orthopedics, Tokushima University, Tokushima, Tokushima, Japan
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Sekiguchi I, Takeda N, Ishida N. Indirect decompression of the central lumbar spinal canal by means of simultaneous bilateral transforaminal lumbar interbody fusion for severe degenerative lumbar canal stenosis with 3 years minimum follow-up. INTERDISCIPLINARY NEUROSURGERY 2022. [DOI: 10.1016/j.inat.2022.101614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Iwasaki M, Hayase H, Takamiya S, Yamazaki K. Preoperative dorsal disc height is a predictor of indirect decompression effect through oblique lateral interbody fusion in lumbar degenerative stenosis. Medicine (Baltimore) 2022; 101:e31020. [PMID: 36253988 PMCID: PMC9575723 DOI: 10.1097/md.0000000000031020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The extent of indirect decompression after oblique lateral interbody fusion (OLIF) is one of the most important factors in deciding the strategy. To assess the radiographical predictors of the effect of indirect decompression in patients with lumbar degenerative spondylosis by OLIF. Thirty-two consecutive patients who underwent OLIF at 58 lumbar disc levels were enrolled in this study. The radiographic measurements included central disc height (cDH), dorsal disc height (dDH), right/left foraminal height in sagittal plane computed tomography (CT), and cross-sectional dural sac antero-posterior diameter (CDSD) in axial plane CT. All patients were followed up for 1 year after surgery. All CT parameters (cDH, dDH, CDSD, right foraminal height [RFH], and left foraminal height [LFH]) significantly increased after OLIF (P < .0001). The mean raised height difference was 4.3, 3.4, 3.4, and 2.6 mm for cDH, dDH, RFH, and LFH, respectively. The mean CDSD increase was 1.4 mm. The median values of post/pre-operation (change rates) were 1.5 times in cDH, 1.9 times in dDH, and 1.2 times in CDSD, RFH, and LFH. RFH and LFH change rates were related with both cDH and dDH change rates, while the CDSD change rate was only associated with the dDH change rate (P = .0206*) but not with cDH (P = .2061). There was a significant negative relationship between the CDSD change rate and preoperative dDH (P = .0311*, R2 = 0.0817) but not with preoperative cDH (P = .4864). OLIF should be avoided for patients with preserved high dDH.
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Affiliation(s)
- Motoyuki Iwasaki
- Department of Neurosurgery, Otaru General Hospital, Otaru, Hokkaido, Japan
- * Correspondence: Department of Neurosurgery, Otaru General Hospital, Otaru, Hokkaido 047-8550, Japan (e-mail: )
| | - Hitoshi Hayase
- Department of Neurosurgery, Hokkaido Ohno Memorial Hospital, Sapporo, Hokkaido, Japan
| | - Soichiro Takamiya
- Department of Neurosurgery, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
| | - Kazuyoshi Yamazaki
- Department of Neurosurgery, Hokkaido University Hospital, Sapporo, Hokkaido, Japan
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Muacevic A, Adler JR. Excessive Fluid in the Lumbar Facet Joint as a Predictor of Radiological Outcomes After Lateral Lumbar Interbody Fusion. Cureus 2022; 14:e30217. [PMID: 36381790 PMCID: PMC9650774 DOI: 10.7759/cureus.30217] [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: 08/16/2022] [Accepted: 10/12/2022] [Indexed: 01/24/2023] Open
Abstract
Background Preoperative segmental instability maybe a predictor of postoperative outcomes when treated with lateral lumbar interbody fusion (LLIF). An abnormal collection of fluid within the facet joint has been described as a sign of segmental instability. The potential relationship between this radiological sign and its prognostic relevance for indirect decompression (ID) has not been investigated. Methods Clinical and radiologic results from patients undergoing LLIF in a single institution between 2007 and 2014 were evaluated retrospectively. Patients were divided into two groups: those presenting with excessive fluid (EF) in the facet joints on T2-MRI and those with a normal amount of facet fluid with less than 1mm, which were controls. Radiological parameters were foraminal height, disc height, Cobb angle, and lumbar lordosis. Results A total of 21 patients (43 operated levels) were evaluated pre- and postoperatively. Mean disc height, mean foraminal height, and coronal Cobb angles were statistically significantly improved after LLIF. Only the EF group showed significant improvement in radiological markers after ID; the mean disc height improved from 5.5±2 to 8.8±1mm (p=0.001), mean foraminal height improved from 16.88±3 to 20.53±3mm (p=0.002), and the mean Cobb angle improved from 27.7±16 to 14±13 (p=0.018). Conclusions Patients undergoing LLIF with the radiological findings of EF in the facet joints demonstrated significant improvement in radiological outcomes of ID. Further studies should validate these findings in larger data sets.
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Choi BW, Choi MS, Chang H. Radiological Assessment of the Effects of Anterior Cervical Discectomy and Fusion on Distraction of the Posterior Ligamentum Flavum in Patients with Degenerative Cervical Spines. Clin Orthop Surg 2021; 13:499-504. [PMID: 34868499 PMCID: PMC8609220 DOI: 10.4055/cios20262] [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: 10/25/2020] [Revised: 12/31/2020] [Accepted: 04/12/2021] [Indexed: 11/06/2022] Open
Abstract
Background This study aimed to assess the effects of anterior cervical discectomy and fusion (ACDF) on distraction of the posterior ligamentum flavum (LF) by increasing the intervertebral disc height and positioning a graft in patients with degenerative cervical spine disease. Methods Sixty-eight patients with degenerative cervical diseases who underwent single-level ACDF were included in the analysis. The intervertebral disc height, Cobb angle, and transverse thickness of the LF were measured, and magnetic resonance imaging was performed both preoperatively and 6 weeks postoperatively on each patient. Correlation analyses were performed to evaluate the relationships between age, sex, change in intervertebral disc height, Cobb angle, and position of the intervertebral implant according to the postoperative change in LF thickness. The position of the intervertebral implant was categorized as anterior, middle, or posterior. We also evaluated radiological effects according to the implant position. Results The mean intervertebral disc height increased from 5.88 mm preoperatively to 7.49 mm postoperatively. The Cobb angle was 0.88° preoperatively and 1.43° postoperatively. Age (p = 0.551), sex (p = 0.348), position of cage (p = 0.312), pre- and postoperative intervertebral disc height (p = 0.850, p = 0.900), Cobb angle (p = 0.977, p = 0.460), and LF thickness (p = 0.060, p = 1.00) were not related to changes in postoperative LF thickness. Postoperative increase in disc height was related to Cobb angle (r = 0.351, p = 0.038). No other factors were significantly related. The position of the cage was not related with the change of Cobb angle (p = 0.91), LF thickness (p = 0.31), or disc height (p = 0.54). Conclusions Change in the intervertebral disc height and the position of the intervertebral implant after ACDF did not affect the thickness of the LF after surgery in patients with degenerative cervical spine disease.
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Affiliation(s)
- Byung-Wan Choi
- Department of Orthopedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Min Sung Choi
- Department of Orthopedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Han Chang
- Department of Orthopedic Surgery, Busan Korea Hospital, Busan, Korea
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Morgan CD, Walker CT, Godzik J, Ohiorhenuan IE, Catapano JS, Hemphill C, Uribe JS. When Indirect Decompression Fails: A Review of 220 Consecutive Direct Lateral Interbody Fusions and Unplanned Secondary Decompression. Spine (Phila Pa 1976) 2021; 46:1081-1086. [PMID: 33534521 DOI: 10.1097/brs.0000000000003976] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A consecutive series of patients who underwent minimally invasive spinal surgery by a single surgeon at a high-volume academic medical center were studied. OBJECTIVE The objective of this study was to identify the prevalence, radiographic features, and clinical characteristics of patients who require unplanned secondary decompressive laminectomy or foraminotomy after lateral lumbar interbody fusion (LLIF). SUMMARY OF BACKGROUND DATA LLIF indirectly decompresses the spinal canal, lateral recess, and neural foramen when properly performed. However, indirect decompression relies on endplate integrity, reasonable bone quality, and sufficient contralateral release so that ligament distraction can occur. Some patients have insufficient decompression, resulting in persistent axial low back pain or radiculopathy. METHODS Patients undergoing LLIF for radiculopathy or refractory low back pain were enrolled in a prospective registry. Preoperative and postoperative imaging, clinical presentation, and operative reports were reviewed from this registry. RESULTS During registry collection, 122 patients were enrolled (220 lumbar levels treated), with nearly even representation between men (64/122, 52.5%) and women (58/122, 47.5%). Overall, right-sided lumbar spinal approaches (74/122, 60.7%) were more common. Ultimately, 4.1% (five of 122) of patients required unplanned direct decompressive laminectomy or foraminotomy because of refractory radiculopathy and persistent radiographic evidence of compression at the index LLIF level. All patients for whom indirect decompression failed were men who underwent stand-alone LLIF and had radiculopathy contralateral to the side of the LLIF approach. Most patients (59.8%, 73/122) had evidence of graft subsidence (grade 0 or 1) or osteoporosis. CONCLUSION We report a 4.1% rate of return to the operating room for failed indirect decompression after LLIF for refractory radiculopathy. Graft subsidence and osteoporosis were common in these patients. All five patients who required secondary decompressive laminectomy or foraminotomy underwent stand-alone primary LLIF, and the persistent radiculopathy was consistently contralateral to the initial side of the LLIF approach.Level of Evidence: 4.
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Affiliation(s)
- Clinton D Morgan
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ
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10
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Walker CT, Xu DS, Cole TS, Alhilali LM, Godzik J, Angel Estrada S, Pedro Giraldo J, Wewel JT, Morgan CD, Zhou JJ, Whiting AC, Farber SH, Martirosyan NL, Turner JD, Uribe JS. Predictors of indirect neural decompression in minimally invasive transpsoas lateral lumbar interbody fusion. J Neurosurg Spine 2021; 35:80-90. [PMID: 33930860 DOI: 10.3171/2020.8.spine20676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 08/10/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE An advantage of lateral lumbar interbody fusion (LLIF) surgery is the indirect decompression of the neural elements that occurs because of the resulting disc height restoration, spinal realignment, and ligamentotaxis. The degree to which indirect decompression occurs varies; no method exists for effectively predicting which patients will respond. In this study, the authors identify preoperative predictive factors of indirect decompression of the central canal. METHODS The authors performed a retrospective evaluation of prospectively collected consecutive patients at a single institution who were treated with LLIF without direct decompression. Preoperative and postoperative MRI was used to grade central canal stenosis, and 3D volumetric reconstructions were used to measure changes in the central canal area (CCA). Multivariate regression was used to identify predictive variables correlated with radiographic increases in the CCA and clinically successful improvement in visual analog scale (VAS) leg pain scores. RESULTS One hundred seven levels were treated in 73 patients (mean age 68 years). The CCA increased 54% from a mean of 0.96 cm2 to a mean of 1.49 cm2 (p < 0.001). Increases in anterior disc height (74%), posterior disc height (81%), right (25%) and left (22%) foraminal heights, and right (12%) and left (15%) foraminal widths, and reduction of spondylolisthesis (67%) (all p < 0.001) were noted. Multivariate evaluation of predictive variables identified that preoperative spondylolisthesis (p < 0.001), reduced posterior disc height (p = 0.004), and lower body mass index (p = 0.042) were independently associated with radiographic increase in the CCA. Thirty-two patients were treated at a single level and had moderate or severe central stenosis preoperatively. Significant improvements in Oswestry Disability Index and VAS back and leg pain scores were seen in these patients (all p < 0.05). Twenty-five (78%) patients achieved the minimum clinically important difference in VAS leg pain scores, with only 2 (6%) patients requiring direct decompression postoperatively due to persistent symptoms and stenosis. Only increased anterior disc height was predictive of clinical failure to achieve the minimum clinically important difference. CONCLUSIONS LLIF successfully achieves indirect decompression of the CCA, even in patients with substantial central stenosis. Low body mass index, preoperative spondylolisthesis, and disc height collapse appear to be most predictive of successful indirect decompression. Patients with preserved disc height but severe preoperative stenosis are at higher risk of failure to improve clinically.
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Affiliation(s)
| | | | | | - Lea M Alhilali
- 2Neuroradiology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona
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Pojskić M, Bopp M, Saß B, Kirschbaum A, Nimsky C, Carl B. Intraoperative Computed Tomography-Based Navigation with Augmented Reality for Lateral Approaches to the Spine. Brain Sci 2021; 11:brainsci11050646. [PMID: 34063546 PMCID: PMC8156391 DOI: 10.3390/brainsci11050646] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 11/23/2022] Open
Abstract
Background. Lateral approaches to the spine have gained increased popularity due to enabling minimally invasive access to the spine, less blood loss, decreased operative time, and less postoperative pain. The objective of the study was to analyze the use of intraoperative computed tomography with navigation and the implementation of augmented reality in facilitating a lateral approach to the spine. Methods. We prospectively analyzed all patients who underwent surgery with a lateral approach to the spine from September 2016 to January 2021 using intraoperative CT applying a 32-slice movable CT scanner, which was used for automatic navigation registration. Sixteen patients, with a median age of 64.3 years, were operated on using a lateral approach to the thoracic and lumbar spine and using intraoperative CT with navigation. Indications included a herniated disc (six patients), tumors (seven), instability following the fracture of the thoracic or lumbar vertebra (two), and spondylodiscitis (one). Results. Automatic registration, applying intraoperative CT, resulted in high accuracy (target registration error: 0.84 ± 0.10 mm). The effective radiation dose of the registration CT scans was 6.16 ± 3.91 mSv. In seven patients, a control iCT scan was performed for resection and implant control, with an ED of 4.51 ± 2.48 mSv. Augmented reality (AR) was used to support surgery in 11 cases, by visualizing the tumor outline, pedicle screws, herniated discs, and surrounding structures. Of the 16 patients, corpectomy was performed in six patients with the implantation of an expandable cage, and one patient underwent discectomy using the XLIF technique. One patient experienced perioperative complications. One patient died in the early postoperative course due to severe cardiorespiratory failure. Ten patients had improved and five had unchanged neurological status at the 3-month follow up. Conclusions. Intraoperative computed tomography with navigation facilitates the application of lateral approaches to the spine for a variety of indications, including fusion procedures, tumor resection, and herniated disc surgery.
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Affiliation(s)
- Mirza Pojskić
- Department of Neurosurgery, University of Marburg, Baldingerstraße, 35043 Marburg, Germany; (M.B.); (B.S.); (C.N.); (B.C.)
- Correspondence: ; Tel.: +49-64215869848
| | - Miriam Bopp
- Department of Neurosurgery, University of Marburg, Baldingerstraße, 35043 Marburg, Germany; (M.B.); (B.S.); (C.N.); (B.C.)
- Marburg Center for Mind, Brain and Behavior (MCMBB), 35043 Marburg, Germany
| | - Benjamin Saß
- Department of Neurosurgery, University of Marburg, Baldingerstraße, 35043 Marburg, Germany; (M.B.); (B.S.); (C.N.); (B.C.)
| | - Andreas Kirschbaum
- Department of Visceral, Thoracic and Vascular Surgery, University of Marburg, 35043 Marburg, Germany;
| | - Christopher Nimsky
- Department of Neurosurgery, University of Marburg, Baldingerstraße, 35043 Marburg, Germany; (M.B.); (B.S.); (C.N.); (B.C.)
- Marburg Center for Mind, Brain and Behavior (MCMBB), 35043 Marburg, Germany
| | - Barbara Carl
- Department of Neurosurgery, University of Marburg, Baldingerstraße, 35043 Marburg, Germany; (M.B.); (B.S.); (C.N.); (B.C.)
- Department of Neurosurgery, Helios Dr. Horst Schmidt Kliniken, 65199 Wiesbaden, Germany
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12
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Lee DH, Lee DG, Hwang JS, Jang JW, Maeng DH, Park CK. Clinical and radiological results of indirect decompression after anterior lumbar interbody fusion in central spinal canal stenosis. J Neurosurg Spine 2021; 34:564-572. [PMID: 33450734 DOI: 10.3171/2020.7.spine191335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 07/27/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Whereas the benefits of indirect decompression after lateral lumbar interbody fusion are well known, the effects of anterior lumbar interbody fusion (ALIF) have not yet been verified. The purpose of this study was to evaluate the clinical and radiological effects of indirect decompression after ALIF for central spinal canal stenosis. In this report, along with the many advantages of the anterior approach, the authors share cases with good outcomes that they have encountered. METHODS The authors performed a retrospective analysis of 64 consecutive patients who underwent ALIF for central spinal canal stenosis with instability and mixed foraminal stenosis between January 2015 and December 2018 at their hospital. Clinical assessments were performed using the visual analog scale score, the Oswestry Disability Index, and the modified Macnab criteria. The radiographic parameters were determined from pre- and postoperative cross-sectional MRI scans of the spinal canal and were compared to evaluate neural decompression after ALIF. The average follow-up period was 23.3 ± 1.3 months. RESULTS All clinical parameters, including the visual analog scale score, Oswestry Disability Index, and modified Macnab criteria, improved significantly. The mean operative duration was 254.8 ± 60.8 minutes, and the intraoperative bleeding volume was 179.8 ± 119.3 ml. In the radiological evaluation, radiological parameters of the cross-sections of the spinal canal showed substantial development. The spinal canal size improved by an average of 43.3% (p < 0.001) after surgery. No major complications occurred; however, aspiration guided by ultrasonography was performed in 2 patients because of a pseudocyst and fluid collection. CONCLUSIONS ALIF can serve as a suitable alternative to extensive posterior approaches. The authors suggest that ALIF can be used for decompression in central spinal canal stenosis as well as restoration of the foraminal dimensions, thus allowing decompression of the nerve roots.
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Affiliation(s)
- Dong Hyun Lee
- 1Department of Neurosurgery, Spine Center, The Leon Wiltse Memorial Hospital; and
| | - Dong-Geun Lee
- 1Department of Neurosurgery, Spine Center, The Leon Wiltse Memorial Hospital; and
| | - Jin Sub Hwang
- 1Department of Neurosurgery, Spine Center, The Leon Wiltse Memorial Hospital; and
| | - Jae-Won Jang
- 1Department of Neurosurgery, Spine Center, The Leon Wiltse Memorial Hospital; and
| | - Dae Hyeon Maeng
- 2Department of Cardiovascular Surgery, The Leon Wiltse Memorial Hospital, Suwon, Gyeonggi-do, South Korea
| | - Choon Keun Park
- 1Department of Neurosurgery, Spine Center, The Leon Wiltse Memorial Hospital; and
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Nakashima H, Kanemura T, Satake K, Ito K, Ishikawa Y, Ouchida J, Segi N, Yamaguchi H, Imagama S. Indirect Decompression Using Lateral Lumbar Interbody Fusion for Restenosis after an Initial Decompression Surgery. Asian Spine J 2020; 14:305-311. [PMID: 31906613 PMCID: PMC7280913 DOI: 10.31616/asj.2019.0194] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 07/04/2019] [Indexed: 12/03/2022] Open
Abstract
Study Design Retrospective comparative study. Purpose We compared clinical and radiographical outcomes after lumbar decompression revision surgery for restenosis by lateral lumbar interbody fusion (LLIF) and posterior lumbar interbody fusion (PLIF). Overview of Literature Indirect lumbar decompression with LLIF was used to treat degenerative lumbar diseases requiring neural decompression. However, only a few studies have focused on the effectiveness of this technique for restenosis after lumbar decompression. Methods We retrospectively investigated 52 cases involving lumbar interbody fusions for restenosis with spondylolisthesis after lumbar decompressions; these cases consisted of 15 patients who underwent indirect decompression with LLIF and posterior fixation and 37 patients who underwent the same procedure with PLIF. We compared Japanese Orthopaedic Association (JOA) scores and perioperative complications between groups. The cross-sectional areas of the thecal sac on magnetic resonance imaging were measured before, immediately after, and 2 years after surgery. We conducted statistical analyses using unpaired t -test and Fisher’s exact tests, and a p-value <0.05 was considered statistically significant. Results The operative time was significantly shorter in the LLIF group than in the PLIF group (115.3±33.6 min vs. 186.2±34.2 min, respectively; p<0.001). In addition, the intraoperative blood loss was significantly lower in the LLIF group than in the PLIF group (58.2±32.7 mL vs. 303.2±140.1 mL, respectively; p<0.001). We found two cases of transient lateral thigh weakness (13.3%) in the LLIF group and five cases of incidental durotomy, one case of deep infection, and one case of neurological deterioration in the PLIF group—resulting in a higher complication incidence (18.9%), although it did not reach (p=0.63). The JOA scores improved significantly in both groups. Conclusions Indirect decompression using LLIF provided acceptable clinical and radiographical outcomes in patients with restenosis with spondylolisthesis after lumbar decompression; no revision-surgery-specific complications were found. Our results suggest that LLIF is a safe and minimally invasive procedure for revision surgery.
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Affiliation(s)
- Hiroaki Nakashima
- Department of Orthopedic Surgery, Konan Kosei Hospital, Konan, Japan
| | - Tokumi Kanemura
- Department of Orthopedic Surgery, Konan Kosei Hospital, Konan, Japan
| | - Kotaro Satake
- Department of Orthopedic Surgery, Konan Kosei Hospital, Konan, Japan
| | - Kenyu Ito
- Department of Orthopedic Surgery, Konan Kosei Hospital, Konan, Japan
| | | | - Jun Ouchida
- Department of Orthopedic Surgery, Konan Kosei Hospital, Konan, Japan
| | - Naoki Segi
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hidetoshi Yamaguchi
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shiro Imagama
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Hah R, Kang HP. Lateral and Oblique Lumbar Interbody Fusion-Current Concepts and a Review of Recent Literature. Curr Rev Musculoskelet Med 2019; 12:305-310. [PMID: 31230190 PMCID: PMC6684701 DOI: 10.1007/s12178-019-09562-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
PURPOSE To review the relevant recent literature regarding minimally invasive, lateral, and oblique approaches to the anterior lumbar spine, with a particular focus on the operative and postoperative complications. METHODS A literature search was performed on Pubmed and Web of Science using combinations of the following keywords and their acronyms: lateral lumbar interbody fusion (LLIF), oblique lateral interbody fusion (OLIF), anterior-to-psoas approach (ATP), direct lateral interbody fusion (DLIF), extreme lateral interbody fusion (XLIF), and minimally invasive surgery (MIS). All results from January 2016 through January 2019 were evaluated and all studies evaluating complications and/or outcomes were included in the review. RECENT FINDINGS Transient neurological deficit, particularly sensorimotor symptoms of the ipsilateral thigh, remains the most common complication seen in LLIF. Best available current literature demonstrates that approximately 30-40% of patients have postoperative deficits, primarily of the proximal leg. Permanent symptoms are less common, affecting 4-5% of cases. Newer techniques to reduce this rate include different retractors, direct visualization of the nerves, and intraoperative neuromonitoring. OLIF may have lower deficit rates, but the available literature is limited. Subsidence rates in both LLIF and OLIF are comparable to ALIF (anterior lumbar interbody fusion), but further study is required. Supplemental posterior fixation is an active area of investigation that shows favorable biomechanical results, but additional clinical studies are needed. Minimally invasive lumbar interbody fusion techniques continue to advance rapidly. As these techniques continue to mature, evidence-based risk-stratification systems are required to better guide both the patient and clinician in the joint decision-making process for the optimal surgical approach.
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Affiliation(s)
- Raymond Hah
- Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, 1450 San Pablo Street, Suite 5400, Los Angeles, CA 90033 USA
| | - H. Paco Kang
- Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, 1450 San Pablo Street, Suite 5400, Los Angeles, CA 90033 USA
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Vaishnav AS, Othman YA, Virk SS, Gang CH, Qureshi SA. Current state of minimally invasive spine surgery. JOURNAL OF SPINE SURGERY 2019; 5:S2-S10. [PMID: 31380487 DOI: 10.21037/jss.2019.05.02] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Over the past two decades, minimally invasive surgical approaches have become increasingly feasible, efficient and popular for the management of a wide range of spinal disorders, with a growing body of research demonstrating numerous advantages of these techniques over the traditional open approach. In this article, we review the technologies and innovations that are expanding the horizon of minimally invasive spine surgery (MISS), and highlight high-quality peer-reviewed literature in the past year that expands our knowledge and understanding of indications, advantages and limitations of MISS.
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Affiliation(s)
| | - Yahya A Othman
- Hospital for Special Surgery, New York, NY, USA.,Weill Cornell Medicine-Qatar, Doha, Qatar
| | | | | | - Sheeraz A Qureshi
- Hospital for Special Surgery, New York, NY, USA.,Weill Cornell Medical College, New York, NY, USA
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