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Inose H, Kato T, Ichimura S, Nakamura H, Hoshino M, Takahashi S, Togawa D, Hirano T, Tokuhashi Y, Ohba T, Haro H, Tsuji T, Sato K, Sasao Y, Takahata M, Otani K, Momoshima S, Hirai T, Yoshii T, Takahashi K, Okawa A. Factors affecting the quality of life in the chronic phase of thoracolumbar osteoporotic vertebral fracture managed conservatively with a brace. Spine J 2023; 23:425-432. [PMID: 36400395 DOI: 10.1016/j.spinee.2022.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/11/2022] [Accepted: 11/08/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND CONTEXT Although osteoporotic vertebral fractures (OVFs) are the most common type of osteoporotic fracture, few reports have closely investigated the factors contributing to the quality of life (QOL) in the chronic phase after thoracolumbar OVFs using detailed radiographic evaluation. PURPOSE This study aimed to identify factors associated with the QOL in the chronic phase after thoracolumbar OVF. DESIGN Post hoc analysis of a prospective randomized study. PATIENT SAMPLE Participants included 195 patients with fresh thoracolumbar OVF managed conservatively with a brace who were available for radiographic analysis 48 weeks after injury. OUTCOME MEASURES The degree of QOL impairment at 48 weeks after thoracolumbar OVF was assessed using the Japanese three-level version of the EuroQol five-dimensional questionnaire (EQ-5D) score. METHODS Univariate and multivariate regression analyses were used to evaluate the relationships between the QOL and radiographic factors. RESULTS The univariate analysis showed that age, analgesic use, T10/L5 Cobb angle on magnetic resonance imaging (MRI), subsequent vertebral fracture, and nonunion were significantly associated with the EQ-5D score at 48 weeks after thoracolumbar OVF. The multiple regression analysis showed that nonunion, analgesic use, subsequent vertebral fracture, and sacral slope on MRI were independently associated with the EQ-5D score at 48 weeks after thoracolumbar OVF. Receiver operating characteristic analysis for the deterioration of QOL showed that the cutoff value for sacral slope on MRI was 35 degrees. CONCLUSIONS This study demonstrated that nonunion, subsequent vertebral fracture, and lower sacral slope were independently associated with poorer QOL in the chronic phase of thoracolumbar OVF managed conservatively with a brace. Therefore, improving or preventing these factors in patients with thoracolumbar OVF in the chronic phase may improve the QOL of the affected patients.
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Affiliation(s)
- Hiroyuki Inose
- Department of Orthopaedic and Trauma Research, Graduate School, Tokyo Medical and Dental University, Tokyo, 108-0075, Japan.
| | - Tsuyoshi Kato
- Department of Orthopaedics, Ome Municipal General Hospital, Tokyo, 198-0042, Japan; Department of Orthopaedics, Graduate School, Tokyo Medical and Dental University, Tokyo, 108-0075, Japan
| | - Shoichi Ichimura
- Department of Orthopaedics, Kyorin University, Tokyo, 181-8611, Japan
| | - Hiroaki Nakamura
- Department of Orthopaedic Surgery, Graduate School of Medicine, Osaka Metropolitan University, Osaka, 545-8585, Japan
| | - Masatoshi Hoshino
- Department of Orthopaedic Surgery, Graduate School of Medicine, Osaka Metropolitan University, Osaka, 545-8585, Japan
| | - Shinji Takahashi
- Department of Orthopaedic Surgery, Graduate School of Medicine, Osaka Metropolitan University, Osaka, 545-8585, Japan
| | - Daisuke Togawa
- Department of Orthopaedic Surgery, Hamamatsu University of Medicine, Shizuoka, 431-3192, Japan
| | - Toru Hirano
- Department of Orthopaedic Surgery, Niigata University Medical and Dental Hospital, Niigata, 951-8520, Japan
| | - Yasuaki Tokuhashi
- Department of Orthopaedic Surgery, Nihon University, Tokyo, 173-8610, Japan
| | - Tetsuro Ohba
- Department of Orthopaedic Surgery, University of Yamanashi, Yamanashi, 409-3898, Japan
| | - Hirotaka Haro
- Department of Orthopaedic Surgery, University of Yamanashi, Yamanashi, 409-3898, Japan
| | - Takashi Tsuji
- Department of Orthopaedic Surgery, Kitasato University Kitasato Institute Hospital, Tokyo, 108-8642, Japan
| | - Kimiaki Sato
- Department of Orthopaedic Surgery, Kurume University School of Medicine, Kurume University, Fukuoka, 830-0011, Japan
| | - Yutaka Sasao
- Department of Orthopaedic Surgery, Graduate School, School of Medicine, St. Marianna University, Kanagawa, 216-8511, Japan
| | - Masahiko Takahata
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Hokkaido, 060-8638, Japan
| | - Koji Otani
- Department of Orthopaedic Surgery, Fukushima Medical University School of Medicine, Fukushima, 960-1295
| | - Suketaka Momoshima
- Department of Diagnostic Radiology, Centre for Preventive Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Takashi Hirai
- Department of Orthopaedics, Graduate School, Tokyo Medical and Dental University, Tokyo, 108-0075, Japan
| | - Toshitaka Yoshii
- Department of Orthopaedics, Graduate School, Tokyo Medical and Dental University, Tokyo, 108-0075, Japan
| | - Kunihiko Takahashi
- Department of Biostatistics, M&D Data Science Centre, Tokyo Medical and Dental University, Tokyo, 108-0075, Japan
| | - Atsushi Okawa
- Department of Orthopaedics, Graduate School, Tokyo Medical and Dental University, Tokyo, 108-0075, Japan
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Eichler D, Charles YP, Baldairon F, Ntilikina Y, Sauleau EA, Steib JP. Possible factors associated with sagittal malalignment recurrence after pedicle subtraction osteotomy. Eur Spine J 2019; 28:161-9. [PMID: 30242507 DOI: 10.1007/s00586-018-5767-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 08/13/2018] [Accepted: 09/11/2018] [Indexed: 10/28/2022]
Abstract
PURPOSE This retrospective study investigates sagittal alignment after pedicle subtraction osteotomy (PSO). The purpose was to investigate factors associated with malalignment recurrence. METHODS Full spine radiographs were analyzed in 66 patients (average age 54.5 years, follow-up 3.8 years). Measurements were taken preoperatively, 3 months postoperatively, at follow-up: SVA C2 and C7, C2-C7 lordosis, T4-T12 kyphosis, L1-S1 lordosis, PSO lordosis, pelvic incidence, pelvic tilt, sacral slope. Follow-up CTs were screened for pseudarthrosis and gas in sacroiliac joints. RESULTS PSO lordosis increased from 11.8° to 40.8° (p < 0.0001) and kept stable. Lumbar lordosis increased from 28.6° to 57.7° (p < 0.0001) and decreased to 49.7° (p = 0.0008). Pelvic tilt decreased from 29.2° to 16.5° (p < 0.0001) and increased to 22.5° (p < 0.0001). SVA C7 decreased from 105.1 to 35.5 mm (p < 0.0001) and increased to 64.8 mm (p = 0.0005). Twenty-eight patients (42%) had an SVA C7 increase of more than 70 mm in the postoperative course: recurrence group. These patients were older: 62.8 years versus 52.3 years (p = 0.0031). Loss of lordosis was 11.9° (recurrence group) versus 5.0° (non-recurrence group). Eleven patients (17%) had pseudarthrosis. Pelvic incidence increased by 9.3° (recurrence group) versus 3.8° (non-recurrence group). In 23 patients (35%), pelvic incidence increased > 10°. Gas was evidenced in sacroiliac joints in 22 patients (33%). CONCLUSION Postoperative anterior malalignment recurrence may occur after PSO. Elderly patients were at risk of recurrence. Loss of lumbar lordosis linked to pseudarthrosis represented another factor. With malalignment recurrence, anterior trunk rotation and pelvic retroversion might additionally have augmented moments across sacroiliac joints with subsequent ligament laxity and pelvic incidence increase. These slides can be retrieved under Electronic Supplementary Material.
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Paternostre F, Charles YP, Sauleau EA, Steib JP. Cervical sagittal alignment in adult hyperkyphosis treated by posterior instrumentation and in situ bending. Orthop Traumatol Surg Res 2017; 103:53-59. [PMID: 27889355 DOI: 10.1016/j.otsr.2016.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2015] [Revised: 07/14/2016] [Accepted: 10/12/2016] [Indexed: 02/02/2023]
Abstract
BACKGROUND In the normal adult spine, a link between thoracolumbar and cervical sagittal alignment exists, suggesting adaptive cervical positional changes allowing horizontal gaze. In patients with thoracic hyperkyphosis, cervical adaptation to sagittal global alignment might be different from healthy individuals. However, this relationship has not clearly been reported in hyperkyphotic deformity. PURPOSE The purpose of this study was to identify cervical sagittal alignment types observed on radiographs in young adults with thoracic hyperkyphosis. The relationship between cervical and thoracolumbar alignment as well as the effect of posterior instrumentation and adaptive positional changes of the mobile cervical segment were retrospectively analyzed. PATIENTS AND METHODS Twenty-three patients (32.7 years; 5-year follow-up) were included. Full spine radiographic measurements were: T1 slope, T1-T4 kyphosis, T4-T12 kyphosis, L1-S1 lordosis, pelvic incidence, pelvic tilt, sacral slope, SVA C7, SVA C2, lordosis between C0-C2, C2-C7, C2-C4 and C4-C7. A Bayesian model and Spearman correlation were used. RESULTS Two alignment types existed: cervical lordosis (group A) and cervical kyphosis (group B). Preoperatively, T4-T12 kyphosis and L1-S1 lordosis were significantly higher in group A: 76.6° versus 59.4° and -72.8° versus -65.8° (probability of>5° difference P (β>5)>0.95). Pelvic incidence was higher in group A (49.8° versus 44.2°) and C0-C2 lordosis in group B (-29.4° versus -21.6°). A significant correlation existed between: T4-T12 kyphosis and C2-C7 lordosis, L1-S1 lordosis and pelvic incidence, C2-C7 lordosis and T1 slope, C2-C7 lordosis and T1-T4 kyphosis. Postoperatively, T4-T12 kyphosis decreased by 33.1° P (β>5)=0.9995), L1-S1 lordosis decreased by 17.7° (P (β>5)=0.961), T1-T4 kyphosis increased by 14.1° (P (β>5)=0.973). SVA C2 (translation) increased by 13.8mm. C0-C2 lordosis (head rotation) remained unchanged. Six patients changed cervical alignment. PJK occurred in 15 patients, unrelated to cervical alignment or proximal instrumentation level. DISCUSSION Two cervical alignment types, lordotic or kyphotic, were observed thoracic hyperkyphosis patients. This alignment was mainly triggered by the amount of thoracic kyphosis and lumbar lordosis, linked to pelvic incidence. Moreover, the inclination of the C7-T1 junctional area plays a key role in the amount of cervical lordosis. The correction of T4-T12 kyphosis induced compensatory modifications at adjacent segments: T1-T4 kyphosis increase (PJK) and L1-S1 lordosis decrease. Global spino-pelvic alignment and head position did not change in the sagittal plane. The cervical spine tented to keep in its preoperative position in most patients. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- F Paternostre
- Service de chirurgie du rachis, fédération de médecine translationnelle (FMTS), université de Strasbourg, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
| | - Y P Charles
- Service de chirurgie du rachis, fédération de médecine translationnelle (FMTS), université de Strasbourg, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France.
| | - E A Sauleau
- Service de santé publique, fédération de médecine translationnelle (FMTS), université de Strasbourg, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg, France
| | - J-P Steib
- Service de chirurgie du rachis, fédération de médecine translationnelle (FMTS), université de Strasbourg, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
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