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Miyahara J, Yoshida Y, Nishizawa M, Nakarai H, Kumanomido Y, Tozawa K, Yamato Y, Iizuka M, Yu J, Sasaki K, Oshina M, Kato S, Doi T, Taniguchi Y, Matsubayashi Y, Higashikawa A, Takeshita Y, Ono T, Hara N, Azuma S, Kawamura N, Tanaka S, Oshima Y. Treatment of restenosis after lumbar decompression surgery: decompression versus decompression and fusion. J Neurosurg Spine 2022:1-8. [PMID: 34996037 DOI: 10.3171/2021.10.spine21728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 10/11/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The aim of this study was to compare perioperative complications and postoperative outcomes between patients with lumbar recurrent stenosis without lumbar instability and radiculopathy who underwent decompression surgery and those who underwent decompression with fusion surgery. METHODS For this retrospective study, the authors identified 2606 consecutive patients who underwent posterior surgery for lumbar spinal canal stenosis at eight affiliated hospitals between April 2017 and June 2019. Among these patients, those with a history of prior decompression surgery and central canal restenosis with cauda equina syndrome were included in the study. Those patients with instability or radiculopathy were excluded. The patients were divided between the decompression group and decompression with fusion group. The demographic characteristics, numerical rating scale score for low-back pain, incidence rates of lower-extremity pain and lower-extremity numbness, Oswestry Disability Index score, 3-level EQ-5D score, and patient satisfaction rate were compared between the two groups using the Fisher's exact probability test for nominal variables and the Student t-test for continuous variables, with p < 0.05 as the level of statistical significance. RESULTS Forty-six patients met the inclusion criteria (35 males and 11 females; 19 patients underwent decompression and 27 decompression and fusion; mean ± SD age 72.5 ± 8.8 years; mean ± SD follow-up 18.8 ± 6.0 months). Demographic data and perioperative complication rates were similar. The percentages of patients who achieved the minimal clinically important differences for patient-reported outcomes or satisfaction rate at 1 year were similar. CONCLUSIONS Among patients with central canal stenosis who underwent revision, the short-term outcomes of the patients who underwent decompression were comparable to those of the patients who underwent decompression and fusion. Decompression surgery may be effective for patients without instability or radiculopathy.
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Affiliation(s)
- Junya Miyahara
- 1Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo.,2University of Tokyo Spine Group (UTSG), Tokyo
| | - Yuichi Yoshida
- 2University of Tokyo Spine Group (UTSG), Tokyo.,3Department of Spine and Orthopedic Surgery, Japanese Red Cross Medical Center, Tokyo
| | - Mitsuhiro Nishizawa
- 2University of Tokyo Spine Group (UTSG), Tokyo.,3Department of Spine and Orthopedic Surgery, Japanese Red Cross Medical Center, Tokyo
| | - Hiroyuki Nakarai
- 2University of Tokyo Spine Group (UTSG), Tokyo.,4Department of Orthopedic Surgery, Kanto Rosai Hospital, Kanagawa
| | - Yudai Kumanomido
- 2University of Tokyo Spine Group (UTSG), Tokyo.,4Department of Orthopedic Surgery, Kanto Rosai Hospital, Kanagawa
| | - Keiichiro Tozawa
- 2University of Tokyo Spine Group (UTSG), Tokyo.,5Department of Orthopedic Surgery, Yokohama Rosai Hospital, Kanagawa
| | - Yukimasa Yamato
- 2University of Tokyo Spine Group (UTSG), Tokyo.,5Department of Orthopedic Surgery, Yokohama Rosai Hospital, Kanagawa
| | - Masaaki Iizuka
- 2University of Tokyo Spine Group (UTSG), Tokyo.,6Department of Spinal Surgery, Japan Community Health-care Organization Tokyo Shinjuku Medical Center, Tokyo
| | - Jim Yu
- 2University of Tokyo Spine Group (UTSG), Tokyo.,7Department of Orthopedic Surgery, Japanese Red Cross Musashino Hospital, Tokyo
| | - Katsuyuki Sasaki
- 2University of Tokyo Spine Group (UTSG), Tokyo.,8Department of Orthopedic Surgery, Saitama Red Cross Hospital, Saitama; and
| | - Masahito Oshina
- 2University of Tokyo Spine Group (UTSG), Tokyo.,9Spine Center, NTT Medical Center Tokyo, Tokyo, Japan
| | - So Kato
- 1Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo.,2University of Tokyo Spine Group (UTSG), Tokyo
| | - Toru Doi
- 1Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo.,2University of Tokyo Spine Group (UTSG), Tokyo
| | - Yuki Taniguchi
- 1Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo.,2University of Tokyo Spine Group (UTSG), Tokyo
| | - Yoshitaka Matsubayashi
- 1Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo.,2University of Tokyo Spine Group (UTSG), Tokyo
| | - Akiro Higashikawa
- 2University of Tokyo Spine Group (UTSG), Tokyo.,4Department of Orthopedic Surgery, Kanto Rosai Hospital, Kanagawa
| | - Yujiro Takeshita
- 2University of Tokyo Spine Group (UTSG), Tokyo.,5Department of Orthopedic Surgery, Yokohama Rosai Hospital, Kanagawa
| | - Takashi Ono
- 2University of Tokyo Spine Group (UTSG), Tokyo.,6Department of Spinal Surgery, Japan Community Health-care Organization Tokyo Shinjuku Medical Center, Tokyo
| | - Nobuhiro Hara
- 2University of Tokyo Spine Group (UTSG), Tokyo.,7Department of Orthopedic Surgery, Japanese Red Cross Musashino Hospital, Tokyo
| | - Seiichi Azuma
- 2University of Tokyo Spine Group (UTSG), Tokyo.,8Department of Orthopedic Surgery, Saitama Red Cross Hospital, Saitama; and
| | - Naohiro Kawamura
- 2University of Tokyo Spine Group (UTSG), Tokyo.,3Department of Spine and Orthopedic Surgery, Japanese Red Cross Medical Center, Tokyo
| | - Sakae Tanaka
- 1Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo
| | - Yasushi Oshima
- 1Department of Orthopaedic Surgery, The University of Tokyo Hospital, Tokyo.,2University of Tokyo Spine Group (UTSG), Tokyo
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Song C, Chang H, Zhang D, Zhang Y, Shi M, Meng X. Biomechanical Evaluation of Oblique Lumbar Interbody Fusion with Various Fixation Options: A Finite Element Analysis. Orthop Surg 2021; 13:517-529. [PMID: 33619850 PMCID: PMC7957407 DOI: 10.1111/os.12877] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/23/2020] [Accepted: 10/26/2020] [Indexed: 01/25/2023] Open
Abstract
Objective The aim of the present study was to clarify the biomechanical properties of oblique lumbar interbody fusion (OLIF) using different fixation methods in normal and osteoporosis spines. Methods Normal and osteoporosis intact finite element models of L1–S1 were established based on CT images of a healthy male volunteer. Group A was the normal models and group B was the osteoporosis model. Each group included four subgroups: (i) intact; (ii) stand‐alone cage (Cage); (iii) cage with lateral plate and two lateral screws (LP); and (iv) cage with bilateral pedicle screws and rods (BPSR). The L3–L4 level was defined as the surgical segment. After validating the normal intact model, compressive load of 400 N and torsional moment of 10 Nm were applied to the superior surface of L2 to simulate flexion, extension, left bending, right bending, left rotation, and right rotation motions. Surgical segmental range of motion (ROM), cage stress, endplate stress, supplemental fixation stress, and stress distribution were analyzed in each group. Results Cage provided the minimal reduction of ROM among all motions (normal, 82.30%–98.81%; osteoporosis, 92.04%–97.29% of intact model). BPSR demonstrated the maximum reduction of ROM (normal, 43.94%–61.13%; osteoporosis, 45.61%–62.27% of intact model). The ROM of LP was between that of Cage and BPSR (normal, 63.25%–79.72%; osteoporosis, 70%–87.15% of intact model). Cage had the minimal cage stress and endplate stress. With the help of LP and BPSR fixation, cage stress and endplate stress were significantly reduced in all motions, both in normal and osteoporosis finite element models. However, BPSR had more advantages. For cage stress, BPSR was at least 75.73% less than that of Cage in the normal model, and it was at least 80.10% less than that of Cage in the osteoporosis model. For endplate stress, BPSR was at least 75.98% less than that of Cage in the normal model, and it was at least 78.06% less than that of Cage in the osteoporosis model. For supplemental fixation stress, BPSR and LP were much less than the yield strength in all motions in the two groups. In addition, the comparison between the two groups showed that the ROM, cage stress, endplate stress, and supplemental fixation stress in the normal model were less than in the osteoporosis model when using the same fixation option of OLIF. Conclusion Oblique lumbar interbody fusion with BPSR provided the best biomechanical stability both in normal and osteoporosis spines. The biomechanical properties of the normal spine were better than those of the osteoporosis spine when using the same fixation option of OLIF.
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Affiliation(s)
- Chengjie Song
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, ShiJiazhuang, China
| | - Hengrui Chang
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, ShiJiazhuang, China
| | - Di Zhang
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, ShiJiazhuang, China
| | - Yingze Zhang
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, ShiJiazhuang, China
| | - Mingxin Shi
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, ShiJiazhuang, China
| | - Xianzhong Meng
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, ShiJiazhuang, China
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Konovalov NA, Stepanov IA, Beloborodov VA, Korolishin VA, Brinyuk ES. [Smoking as a risk factor of advanced heterotopic ossification in patients after lumbar total disk arthroplasty]. ZHURNAL VOPROSY NEĬROKHIRURGII IMENI N. N. BURDENKO 2021; 85:19-27. [PMID: 33560617 DOI: 10.17116/neiro20218501119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Smoking is an obvious risk factor of adverse events in early and long-term postoperative period after spine surgery including lumbar total disk arthroplasty. Objective. To study the effect of smoking on clinical and radiological outcomes after lumbar total disk arthroplasty. MATERIAL AND METHODS A single-center retrospective observational cohort study was performed. We have analyzed medical records of patients who underwent single-level lumbar total disk arthroplasty for degenerative disease. RESULTS The study included 57 medical records of respondents. The examined medical records were divided into two groups - smokers (n=26) and non-smokers (n=31). There were no significant between-group differences in clinical outcomes. Incidence of adverse events was similar too. Kaplan-Meier event-free survival was similar in both groups. There were no significant between-group differences in X-ray data. Development of heterotopic ossification after lumbar total disk arthroplasty was more active in smokers. CONCLUSION Smoking has no significant effect on clinical and radiological outcomes in patients after single-level after lumbar total disk arthroplasty. On the other hand, smoking significantly increases formation of heterotopic ossification after lumbar total disk arthroplasty.
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Affiliation(s)
| | - I A Stepanov
- Irkutsk State Medical University, Irkutsk, Russia.,Kharlampiev Clinic LLC, Irkutsk, Russia
| | | | | | - E S Brinyuk
- Burdenko Neurosurgery Center, Moscow, Russia
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Kudo Y, Okano I, Toyone T, Matsuoka A, Maruyama H, Yamamura R, Ishikawa K, Hayakawa C, Tani S, Sekimizu M, Hoshino Y, Ozawa T, Shirahata T, Fujita M, Oshita Y, Emori H, Omata H, Inagaki K. Lateral lumbar interbody fusion in revision surgery for restenosis after posterior decompression. Neurosurg Focus 2020; 49:E11. [PMID: 32871574 DOI: 10.3171/2020.6.focus20361] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 06/10/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The purpose of this study was to compare the clinical results of revision interbody fusion surgery between lateral lumbar interbody fusion (LLIF) and posterior lumbar interbody fusion (PLIF) or transforaminal lumbar interbody fusion (TLIF) with propensity score (PS) adjustments and to investigate the efficacy of indirect decompression with LLIF in previously decompressed segments on the basis of radiological assessment. METHODS A retrospective study of patients who underwent revision surgery for recurrence of neurological symptoms after posterior decompression surgery was performed. Postoperative complications and operative factors were evaluated and compared between LLIF and PLIF/TLIF. Moreover, postoperative improvement in cross-sectional areas (CSAs) in the spinal canal and intervertebral foramen was evaluated in LLIF cases. RESULTS A total of 56 patients (21 and 35 cases of LLIF and PLIF/TLIF, respectively) were included. In the univariate analysis, the LLIF group had significantly more endplate injuries (p = 0.03) and neurological deficits (p = 0.042), whereas the PLIF/TLIF group demonstrated significantly more dural tears (p < 0.001), surgical site infections (SSIs) (p = 0.02), and estimated blood loss (EBL) (p < 0.001). After PS adjustments, the LLIF group still showed significantly more endplate injuries (p = 0.03), and the PLIF/TLIF group demonstrated significantly more dural tears (p < 0.001), EBL (p < 0.001), and operating time (p = 0.04). The PLIF/TLIF group showed a trend toward a higher incidence of SSI (p = 0.10). There was no statistically significant difference regarding improvement in the Japanese Orthopaedic Association scores between the 2 surgical procedures (p = 0.77). The CSAs in the spinal canal and foramen were both significantly improved (p < 0.001). CONCLUSIONS LLIF is a safe, effective, and less invasive procedure with acceptable complication rates for revision surgery for previously decompressed segments. Therefore, LLIF can be an alternative to PLIF/TLIF for restenosis after posterior decompression surgery.
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Affiliation(s)
- Yoshifumi Kudo
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | - Ichiro Okano
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | - Tomoaki Toyone
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | - Akira Matsuoka
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | | | - Ryo Yamamura
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | - Koji Ishikawa
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | | | - Soji Tani
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | | | - Yushi Hoshino
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | - Tomoyuki Ozawa
- 1Department of Orthopedic Surgery, Showa University, Tokyo
| | - Toshiyuki Shirahata
- 2Department of Orthopedic Surgery, Showa University Koto Toyosu Hospital, Tokyo; and
| | - Masayori Fujita
- 2Department of Orthopedic Surgery, Showa University Koto Toyosu Hospital, Tokyo; and
| | - Yusuke Oshita
- 3Department of Orthopedic Surgery, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Haruka Emori
- 3Department of Orthopedic Surgery, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Hiroaki Omata
- 3Department of Orthopedic Surgery, Showa University Northern Yokohama Hospital, Kanagawa, Japan
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