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Wang Z, Chen X, Hu X, Zhang H, Zhu W, Wang D, Zhang S, Kong C, Wang W, Lu S. The Role of Pelvic Compensation in Sagittal Balance and Imbalance: The Impact of Pelvic Compensation on Spinal Alignment and Clinical Outcomes Following Adult Spinal Deformity Surgery. Neurosurgery 2024:00006123-990000000-01189. [PMID: 38836612 DOI: 10.1227/neu.0000000000003005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 04/02/2024] [Indexed: 06/06/2024] Open
Abstract
BACKGROUND AND OBJECTIVES The Scoliosis Research Society (SRS)-Schwab system does not include a pelvic compensation (PC) subtype, potentially contributing to gaps in clinical characteristics and treatment strategy for deformity correction. It also remains uncertain as to whether PC has differing roles in sagittal balance (SB) or imbalance (SI) status. To compare radiological parameters and SRS-22r domains between patients with failed pelvic compensation (FPC) and successful pelvic compensation (SPC) based on preoperative SB and SI. METHODS A total of 145 adult spinal deformity patients who received deformity correction were analyzed. Radiographic and clinical outcomes were collected for statistical analysis. Patients were classified into 4 groups based on the median value of PT/PI ratio (PTr) and the cutoff value of SB. Patients with low PTr and high PTr were defined as FPC and SPC, respectively. Radiographic and clinical characteristics of different groups were compared. RESULTS Patients with SPC exhibited significantly greater improvements in lumbar lordosis, pelvic tilt, PTr, and T1 pelvic angle as compared to patients with FPC, irrespective of SB or SI. No apparent differences in any of SRS-22r domains were observed at follow-up when comparing the SB-FPC and SB-SPC patients. However, patients with SI-SPC exhibited significantly better function, self-image, satisfaction, and subtotal domains at follow-up relative to those with SI-FPC. When SI-FPC and SI-SPC patients were subdivided further based on the degree of PI-LL by adjusting for age, the postoperative function and self-image domains were significantly better in the group with overcorrection of PI-LL than undercorrection of PI-LL in SI-FPC patients. However, no differences in these SRS-22r scores were observed when comparing the subgroups in SI-SPC patients. CONCLUSION Flexible pelvic rotation is associated with benefits to the correction of sagittal parameters, irrespective of preoperative SB or SI status. However, PC is only significantly associated with clinical outcomes under SI. Patients with SI-FPC exhibit poorer postoperative clinical outcomes, which should be recommended to minimize PI-LL.
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Affiliation(s)
- Zheng Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Xiaolong Chen
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Xinli Hu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Haojie Zhang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Weiguo Zhu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Dongfan Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Sitao Zhang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Chao Kong
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Wei Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
| | - Shibao Lu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing, China
- National Clinical Research Center for Geriatric Diseases, Beijing, China
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Polythodorakis I, Brotis A, Charitidis C, Lycomitros V, Liveris I, Paterakis K. Minimally Invasive Spine Surgery for Kyphoscoliosis in a Patient With Parkinson's Disease: A Case Report. Cureus 2023; 15:e39397. [PMID: 37362499 PMCID: PMC10286849 DOI: 10.7759/cureus.39397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
The surgical treatment for severe deformity correction in patients with Parkinson's disease (PD) is usually challenging, requiring lengthy fusions, and with a high risk of postoperative complications. We present a patient with severe kyphoscoliosis and medical history of PD undergoing minimally invasive surgical deformity correction. A 75-year-old female with a 10-year history of medically controlled PD presented at our hospital's outpatient reporting progressive postural changes during the last two years and a half. On clinical examination, we recognized severe kyphoscoliosis associated with Pisa deformity, in the absence of any neurological manifestations. On the initial x-rays, the coronal angulation was 56° in the lumbar area with a significant lateral shift of the trunk, while the right ribs were close to the iliac crest. The patient underwent deformity correction with percutaneous pedicle screws from T5 to S1, a percutaneous transverse process hooks at T5, and transforaminal lumbar interbody fusion at L5-S1. The total duration of the operation was seven hours, and the estimated blood loss was approximately 300 mL. Clinically, the patient's posture improved significantly, alleviating any preoperative compensatory mechanisms such as knee flexion. The postoperative x-rays revealed a very satisfying correction in both the coronal and sagittal planes (20.1 degrees and 26.6 degrees, respectively). Our current case report showed that MIS constitutes a viable alternative for deformity correction in selected patients with PD as part of a multidisciplinary approach. Proper patient selection requires a detailed medical history and a complete neurological and musculoskeletal examination by a dedicated healthcare provider.
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Affiliation(s)
| | | | | | | | - Iason Liveris
- Neurological Surgery, Henry Dunant Hospital, Athens, GRC
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Spindler P, Alzoobi Y, Truckenmüller P, Hahn S, Manzoni YN, Feldmann L, Hermann KG, Kühn AA, Faust K, Schneider GH, Vajkoczy P, Schmidt H. A noninvasive method to quantify the impairment of spinal motion ability in Parkinson's disease. 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; 31:3316-3323. [PMID: 36194297 DOI: 10.1007/s00586-022-07401-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 09/01/2022] [Accepted: 09/23/2022] [Indexed: 11/05/2022]
Abstract
PURPOSE There is a high demand on spinal surgery in patients with Parkinson's disease (PD) but the results are sobering. Although detailed clinical and radiological diagnostics were carried out with great effort and expense, the biodynamic properties of the spine of PD patients have never been considered. We propose a noninvasive method to quantify the impairment of motion abilities in patients with PD. METHODS We present an analytical cross-sectional study of 21 patients with severe PD. All patients underwent a biodynamic assessment during a standardized movement-choreography. Thus, individual spinal motion profiles of each patient were objectively assessed and compared with a large comparative cohort of individuals without PD. Moreover, clinical scores to quantify motor function and lumbar back pain were collected and X-ray scans of the spine in standing position were taken and analysed. RESULTS Biodynamic measurement showed that 36.9% of the assessed motions of all PD patients were severely impaired. Men were generally more functionally impaired than women, in 52% of all motion parameters. The neurological and radiological diagnostics recorded pathological values, of which UPDRS-III ON correlated with findings of the biodynamics assessment (R = 0.52, p = 0.02). CONCLUSIONS The decision to operate on a PD patient's spine is far-reaching and requires careful consideration. Neurological and radiological scores did not correlate with the biodynamics of the spine. The resulting motion profile could be used as individual predictive factor to estimate whether patients are eligible for spinal surgery or alternative therapies.
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Affiliation(s)
- Philipp Spindler
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Yasmin Alzoobi
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Peter Truckenmüller
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Sabine Hahn
- Julius Wolff Institute, Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Yves N Manzoni
- Department of Radiology, Charité - University Medicine Berlin, Berlin, Germany
| | - Lucia Feldmann
- Department of Neurology, Charité - University Medicine Berlin, Berlin, Germany
| | - Kay-Geert Hermann
- Department of Radiology, Charité - University Medicine Berlin, Berlin, Germany
| | - Andrea A Kühn
- Department of Neurology, Charité - University Medicine Berlin, Berlin, Germany
| | - Katharina Faust
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Gerd-Helge Schneider
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Peter Vajkoczy
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Hendrik Schmidt
- Julius Wolff Institute, Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Berlin, Germany.
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Spindler P, Tkatschenko D, Alzoobi Y, Kuebler D, Kühn AA, Schneider GH, Prinz V, Vajkoczy P, Faust K. Thoracolumbar Instrumentation Surgery in Patients with Parkinson's Disease: A Case-Control Study. J Neurol Surg A Cent Eur Neurosurg 2022; 84:247-254. [PMID: 35100633 DOI: 10.1055/s-0041-1741535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND With increasing prevalence of Parkinson's disease (PD), instrumentation surgery of the thoracolumbar spine of PD patients grows in importance. Poor operative results with high rates of revision surgery have been reported. The goal of this study was to compare the biomechanical complications of thoracolumbar instrumentation surgery of patients with and without PD. METHODS In a retrospective case-control study, we compared 16 PD patients with a matched cohort of 104 control patients regarding the following postinstrumentation complications: (1) adjacent joint disease, (2) material failure, and (3) material loosening. Also, we compared the spinal bone density, which is the main prognostic criteria for failed instrumentation surgery, between the groups. RESULTS We found the rate of material revision to be significantly higher in PD patients (43.8 vs. 13.5%, p = 0.008, odds ratio (OR) = 5.0). Furthermore, the indications for revision surgery differed between the groups, with more hardware failures in the PD group and more adjacent segment degeneration in the control group. PD patients profited from modern operation techniques (percutaneous instrumentation and CT-navigated screw implantation). Hospitalization was significantly longer for PD patients (20.2 ± 15.1 vs. 14.1 ± 8.9 days, p = 0.03). CONCLUSION PD patients exhibit challenging biomechanical demands on instrumenting the spine. Besides osteoporosis, especially sagittal imbalance, gait disturbance, and altered muscle tone may be contributive. PD patients may particularly profit from navigated and less invasive surgical techniques.
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Affiliation(s)
- Philipp Spindler
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Dimitri Tkatschenko
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Yasmin Alzoobi
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Dorothee Kuebler
- Department of Neurology, Charité - University Medicine Berlin, Berlin, Germany
| | - Andrea A Kühn
- Department of Neurology, Charité - University Medicine Berlin, Berlin, Germany
| | - Gerd-Helge Schneider
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Vincent Prinz
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Peter Vajkoczy
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
| | - Katharina Faust
- Department of Neurosurgery, Charité - University Medicine Berlin, Berlin, Germany
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Baucher G, Taskovic J, Troude L, Molliqaj G, Nouri A, Tessitore E. Risk factors for the development of degenerative cervical myelopathy: a review of the literature. Neurosurg Rev 2021; 45:1675-1689. [PMID: 34845577 DOI: 10.1007/s10143-021-01698-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 10/19/2021] [Accepted: 11/17/2021] [Indexed: 12/11/2022]
Abstract
Degenerative cervical myelopathy (DCM) encompasses various pathological conditions causing spinal cord (SC) impairment, including spondylosis (multiple level degeneration), degenerative disc disease (DDD), ossification of the posterior longitudinal ligament (OPLL), and ossification of the ligamentum flavum (OLF). It is considered the most common cause of SC dysfunction among the adult population. The degenerative phenomena of DDD, spondylosis, OPLL and OLF, is likely due to both inter-related and distinct factors. Age, cervical alignment, and range of motion, as well as congenital factors such as cervical cord-canal mismatch due to congenital stenosis, Klippel-Feil, Ehler-Danlos, and Down syndromes have been previously reported as potential factors of risk for DCM. The correlation between some comorbidities, such as rheumatoid arthritis and movement disorders (Parkinson disease and cervical dystonia) and DCM, has also been reported; however, the literature remains scare. Other patient-specific factors including smoking, participation in contact sports, regular heavy load carrying on the head, and occupation (e.g. astronauts) have also been suggested as potential risk of myelopathy development. Most of the identified DCM risk factors remain poorly studied however. Further researches will be necessary to strengthen the current knowledge on the subject, especially concerning physical labors in order to identify patients at risk and to develop an effective treatment strategy for preventing this increasing prevalent disorder.
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Affiliation(s)
- Guillaume Baucher
- Neurosurgical Unit, Geneva University Hospital, Geneva, Switzerland.
- AP-HM, Hôpital Universitaire Nord, Neurochirurgie adulte, Chemin Des Bourrely, 13015, Marseille, France.
| | - Jelena Taskovic
- Neurosurgical Unit, Geneva University Hospital, Geneva, Switzerland
| | - Lucas Troude
- AP-HM, Hôpital Universitaire Nord, Neurochirurgie adulte, Chemin Des Bourrely, 13015, Marseille, France
| | - Granit Molliqaj
- Neurosurgical Unit, Geneva University Hospital, Geneva, Switzerland
| | - Aria Nouri
- Neurosurgical Unit, Geneva University Hospital, Geneva, Switzerland
| | - Enrico Tessitore
- Neurosurgical Unit, Geneva University Hospital, Geneva, Switzerland
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Sapkas G, Ampadiotaki MM, Pallis D, Papadakis M, Halikiopoulos SA, Papadakis S. Complications after Spinal Surgery in Patients with Parkinson’s Disease. Open Orthop J 2021. [DOI: 10.2174/1874325002115010046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
Background:
Several studies have shown that spinal surgeries in patients who suffer from Parkinson’s Disease have a high rate of complications. These patients often need revision surgery.
Objective:
This is a retrospective study involving 21 patients with Parkinson’s Disease. This study aimed to examine the complications after spinal surgery.
Methods:
We studied 21 patients with Parkinson’s Disease retrospectively, who had undergone a previous operation by the same surgeon between 2004 to 2019. There were 11 females and 10 males. The mean age was 71.9 years (range, 52 to 85). However, the initial diagnosis and types of surgery were different. The mean time of follow-up for each patient was 3.6 years (ranging from 2 to 8 years).
Results:
Most of the patients had a post-operative complication within a period of three years. Τhe most common complication was kyphotic deformity and camptocormia. Twelve patients (57.1%) underwent revision surgery, and three patients (14.2%) denied treatment. In four patients (19.04%), kyphotic deformity or stooped posture remained. Only one patient (4.7%) presented with no complication in a follow-up of 8 years.
Conclusion:
Patients with Parkinson’s disease have a high rate of complications after spinal surgery and often need revision surgery. For this literature review, the overall number of patients was 502, and the mean revision rate was 43.6%. The surgeon must inform patients of possible complications, and a thorough post-operative observation must be implemented.
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Abraham A, Duncan RP, Earhart GM. The Role of Mental Imagery in Parkinson's Disease Rehabilitation. Brain Sci 2021; 11:brainsci11020185. [PMID: 33540883 PMCID: PMC7913152 DOI: 10.3390/brainsci11020185] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/26/2021] [Accepted: 01/28/2021] [Indexed: 02/06/2023] Open
Abstract
Parkinson’s disease (PD) is a disabling neurodegenerative disease whose manifestations span motor, sensorimotor, and sensory domains. While current therapies for PD include pharmacological, invasive, and physical interventions, there is a constant need for developing additional approaches for optimizing rehabilitation gains. Mental imagery is an emerging field in neurorehabilitation and has the potential to serve as an adjunct therapy to enhance patient function. Yet, the literature on this topic is sparse. The current paper reviews the motor, sensorimotor, and sensory domains impacted by PD using gait, balance, and pain as examples, respectively. Then, mental imagery and its potential for PD motor and non-motor rehabilitation is discussed, with an emphasis on its suitability for addressing gait, balance, and pain deficits in people with PD. Lastly, future research directions are suggested.
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Affiliation(s)
- Amit Abraham
- Department of Physical Therapy, Faculty of Health Sciences, Ariel University, Ariel 4077625, Israel
- Navigation and Accessibility Research Center of Ariel University (NARCA), Ariel University, Ariel 4077625, Israel
- Correspondence:
| | - Ryan P. Duncan
- Program in Physical Therapy, Washington University in St. Louis School of Medicine, St. Louis, MO 63108, USA; (R.P.D.); (G.M.E.)
- Department of Neurology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110, USA
| | - Gammon M. Earhart
- Program in Physical Therapy, Washington University in St. Louis School of Medicine, St. Louis, MO 63108, USA; (R.P.D.); (G.M.E.)
- Department of Neurology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110, USA
- Department of Neuroscience, Washington University in St. Louis School of Medicine, St. Louis, MO 63110, USA
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Spinal Surgery for Parkinson Disease With Camptocormia: Propensity Score-Matched Cohort Study With Degenerative Sagittal Imbalance (DSI). Clin Spine Surg 2020; 33:E563-E571. [PMID: 32341323 DOI: 10.1097/bsd.0000000000000994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
STUDY DESIGN A propensity score-matched cohort study. OBJECTIVE The objective of this study was to compare the radiologic and clinical outcomes of camptocormia in Parkinson disease (PD) with degenerative sagittal imbalance (DSI) patients. SUMMARY OF BACKGROUND DATA Camptocormia in PD and DSI could be characterized by a dynamic deformity. However, no study has directly evaluated the outcomes of patients with camptocormia and DSI. METHODS Thirteen consecutive PD patients undergoing surgical correction for camptocormia were matched in a 1-to-2 format with 26 patients in the DSI group by propensity score-matching. Radiologic outcomes, including paravertebral muscle changes, and clinical outcomes were compared between the 2 groups. The rate of proximal junctional problems and reoperations were assessed. RESULTS PD patients with camptocormia had significantly greater preoperative coronal and sagittal malalignments (29.9 vs. 16.9 mm, P=0.019; 142.8 vs. 64.4 mm, P=0.0001, respectively) and weakness of paravertebral muscles compared with the DSI patients. Regarding the clinical outcomes, reoperations were significantly higher in the camptocormia group, compared with the DSI group (53.8% vs. 7.7%, P=0.001). Moreover, proximal junctional failure was developed in 8 patients in the camptocormia group, while 1 patient in the DSI group (61.5% vs. 3.8%, P=0.0001). In subgroup analysis, independent risk factors for the proximal junctional failure were the total fusion levels (hazard ratio=0.26, P=0.018) and the degree of fatty changes of the paravertebral muscles (hazard ratio=1.15, P=0.048). CONCLUSIONS PD patients undergoing spinal surgery for camptocormia had global malalignment and higher rates of complications compared with DSI patients. Patients should be appropriately counseled regarding the increased risk of operative complications and closely followed for incipient failure.
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Xu HW, Yi YY, Li YZ, Zhang SB, Wang SJ, Wu DS. Sagittal imbalance, muscle atrophy, and osteoporosis: risk factors for revision posterior lumbar fusion surgery in patients with Parkinson's disease. INTERNATIONAL ORTHOPAEDICS 2020; 44:2069-2077. [PMID: 32564174 DOI: 10.1007/s00264-020-04666-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 06/11/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The aim of our study was to evaluate features and complications of patients with Parkinson's disease (PD) who underwent posterior lumbar fusion surgery for lumbar degenerative diseases (LDD), as well as the risk factors for revision. METHODS Between January 2010 and December 2016, 132 patients were retrospectively identified for inclusion. Patients were divided into a 29 revision PD group and a 103 non-revision PD group. Patient factors included bone mineral density (BMD) and severity of PD using the Hoehn and Yahr staging system. Surgical factors included surgical levels and fusion methods. Radiographic measurements included pre-operative spinopelvic parameters, paraspinal muscle atrophy, and fatty infiltration. Logistic regression analysis was used to determine independent predictors for revision posterior lumbar fusion. RESULTS The average age of the PD patients was 67.96 years, and the follow-up time was 49.01 months. R-PD patients accounted for 21.97% of all PD patients who underwent lumbar fusion surgery. Multivariable analysis indicated that low BMD (p = 0.012), fatty infiltration (p = 0.038), a smaller relative cross-sectional area (rCSA) of the paraspinal muscle (p = 0.008), larger pelvic incidence-lumbar lordosis (PI-LL) (p = 0.01), and sagittal vertical axis (SVA) (p = 0.004) were significant independent risk factors for revision posterior lumbar fusion in PD patients. CONCLUSION PD patients with low pre-operative BMD, fatty infiltration, a smaller rCSA of the paraspinal muscle, and larger PI-LL and SVA had a higher rate of revision lumbar fusion. Maintaining sagittal balance, functional exercises, and anti-osteoporosis treatment were important in preventing complications in PD patients.
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Affiliation(s)
- Hao-Wei Xu
- Department of Spinal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yu-Yang Yi
- Department of Spinal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yu-Zhi Li
- Department of Spinal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shu-Bao Zhang
- Department of Spinal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shan-Jin Wang
- Department of Spinal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.
| | - De-Sheng Wu
- Department of Spinal Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
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Spinal Fusion in Parkinson's Disease Patients: A Propensity Score-Matched Analysis With Minimum 2-Year Surveillance. Spine (Phila Pa 1976) 2019; 44:E846-E851. [PMID: 30817740 DOI: 10.1097/brs.0000000000002998] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective analysis. OBJECTIVE To compare outcomes and complication rates between patients with and without Parkinson's disease (PD) patients undergoing surgery for adult spinal deformity (ASD). SUMMARY OF BACKGROUND DATA There is limited literature evaluating the impact of PD on long-term outcomes after thoracolumbar fusion surgery for ASD. METHODS Patients admitted from 2009 to 2011 with diagnoses of ASD who underwent any thoracolumbar fusion procedure with a minimum 2-year follow-up surveillance were retrospectively reviewed using New York State's Statewide Planning and Research Cooperative System. A 1:1 propensity score-match by age, Deyo score, and number of fused vertebral levels was conducted before comparing surgical outcomes of patients with ASD with and without PD. Univariate analysis compared demographics, complications, and subsequent revision. Multivariate binary stepwise logistic regression models identified independent predictors of these outcomes (covariates: age, sex, Deyo Index score, and PD diagnosis). RESULTS A total of 576 propensity score-matched patients were identified (PD: n = 288; no-PD: n = 288), with a mean age of 69.7 years (PD) and 70.2 years (no-PD). Each cohort had comparable distributions of age, sex, race, insurance provider, Deyo score, and number of levels fused (all P > 0.05). Patients with PD incurred higher total charges across ASD surgery-related visits ($187,807 vs. $126,610, P < 0.001), yet rates of medical complications (35.8% PD vs. 34.0% no-PD, P = 0.662) and revision surgery (12.2% vs. 10.8%, P > 0.05) were comparable. Postoperative mortality rates were comparable between PD and no-PD cohorts (2.8% vs. 1.4%, P = 0.243). Logistic regression identified nine-level or higher spinal fusion as a significant predictor for an increase in total complications (odds ratio = 5.64); PD was not associated with increased odds of any adverse outcomes. CONCLUSION Aside from higher hospital charges incurred, patients with PD experienced comparable overall complication and revision rates to a propensity score-matched patient cohort without PD from the general population undergoing thoracolumbar fusion surgery. These results can support management of concerns and postoperative expectations in this patient cohort. LEVEL OF EVIDENCE 3.
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Sheu H, Liao JC, Lin YC. The fate of thoracolumbar surgeries in patients with Parkinson's disease, and analysis of risk factors for revision surgeries. BMC Musculoskelet Disord 2019; 20:106. [PMID: 30871524 PMCID: PMC6417282 DOI: 10.1186/s12891-019-2481-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 02/26/2019] [Indexed: 12/19/2022] Open
Abstract
Background Compared to patients without Parkinson’s disease (PD), patients with PD who underwent spinal surgeries were reported to have a relatively high complication rate. However, studies that analyze surgical risk factors for these patients are limited. Methods From October 2004 to April 2015, patients with PD who underwent spinal surgeries at our department were reviewed. Patients who underwent lumbar or thoracolumbar instrumented surgeries due to degeneration or deformity disease were included. Any reason for revision surgery was recorded. Risk factors including patients’ factors, surgical factors, and lumbo-pelvic radiographic parameters were analyzed. Patients’ factors included patients’ underlying diseases, body mass index (BMI), osteoporotic status, and PD’s severity using the modified Hoehn and Yahr staging scale. Surgical factors included surgical levels, extending to thoracic spine or not, corrective osteotomy, with anterior approach or not, and interbody device. Radiographic parameters included lumbar lordosis (LL), sacral slope (SS), pelvic tilt (PT), pelvic incidence (PI), coronal Cobb’s angles, and score for spino-pelvic realignment achievement. Results A total of 66 patients were enrolled. The mean age at surgery was 69.0 years old. The mean follow-up time was 51.2 months. Twenty-six revision surgeries were required in 19 patients (29%). Risk factors for revision surgery included modified Hoehn and Yahr stage ≥3 (p < 0.001), cancer history (p = 0.024), osteoporosis (P = 0.012) and underwent corrective osteotomy (p = 0.035). According to binary logistic regression analysis, the modified Hoehn and Yahr stage ≥3 (p < 0.001) was the only independent risk factor. The Kaplan-Meier analysis revealed patients with long instrumentation (surgical levels > 3), T-spine instrumentation, and lower score of spino-pelvic realignment achievement tended to have earlier revision. Conclusion For PD patients planning for elective thoracolumbar surgery, aggressive control status of PD before or after surgery is necessary to prevent surgical complications. Longer surgical levels and corrective osteotomy also tended to have earlier revision. A better score in spino-pelvic realignment achievement after surgery could reduce occurrence of revision.
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Affiliation(s)
- Huan Sheu
- Department of Orthopedics Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital, Chang Gung University, No._5, Fu-Shin Street, Kweishian, Taoyuan, 333, Taiwan
| | - Jen-Chung Liao
- Department of Orthopedics Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital, Chang Gung University, No._5, Fu-Shin Street, Kweishian, Taoyuan, 333, Taiwan.
| | - Yu-Chih Lin
- Department of Orthopedics Surgery, Bone and Joint Research Center, Chang Gung Memorial Hospital, Chang Gung University, No._5, Fu-Shin Street, Kweishian, Taoyuan, 333, Taiwan
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Nakamura Y, Machida Y, Hanawa H, Kanai M, Asano S. Analysis of Relationships between Spinal Deformity and Walking Ability in Parkinson's Disease Patients. Spine Surg Relat Res 2019; 3:348-353. [PMID: 31768455 PMCID: PMC6834471 DOI: 10.22603/ssrr.2018-0046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 01/30/2019] [Indexed: 12/23/2022] Open
Abstract
Introduction This study aimed to determine impacts on walking ability of spinal deformity and imbalance as distinct from movement disorders in Parkinson's disease (PD). Methods Thirty-two patients (15 males, 17 females; mean age 72.5 years) were analyzed. Three, thirteen, eleven, and five were at Hoehn-Yahr stages I, II, III, and IV, respectively. In addition to various spinal imbalance and deformity classifications the following were assessed: Cobb angle (CA) for scoliosis, thoracic kyphosis (TK) at T2-12, thoracolumbar kyphosis(TLK) at T12-L2, lumbar lordosis(LL) at L1-S1, pelvic tilt(PT), pelvic incidence(PI), and sagittal vertical axis(SVA). The Timed Up and Go (TUG) test was used to measure walking ability. Patients were evaluated using the Unified Parkinson's Disease Rating Scale (UPDRS) part III, and bone mineral density (BMD) scans. Results Nineteen patients (59%) had spinal deformity and imbalance within the following classifications: thoracic scoliosis, 1; thoracic kyphosis, 2; lumbar scoliosis, 15; Pisa syndrome, 3; camptocormia, 2. Mean values were 20.0° CA for scoliosis, 42.3° TK, 14.8° TLK, 26.7° LL, 20.8° PT, 48.8° PI, and 66.4 mm SVA. The mean TUG score was 13.9s. The UPDRS III mean was 36.6±24.5 points. Mean BMD was 0.856 g/cm2 at lumbar L2-4 and 0.585 g/cm2 at the femoral neck. UPDRS part III (P<0.001), LL (P<0.05), and femoral neck BMD (P<0.05) significantly correlated to TUG test results. Conclusions Distinct from the movement disorders of PD (UPDRS III), loss of normal LL and loss of BMD at the femoral neck were shown to be correlated with diminished walking ability (TUG test) in PD patients. When UPDRS improved in response to L-dopa, walking ability improved. In addition to any PD-specific interventions that contribute to the maintenance of ambulation, interventions specific to the restoration of LL, as well as early treatment for osteoporosis may positively affect HRQOL in PD.
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Affiliation(s)
- Yutaka Nakamura
- Saitama Spine Center, Higashi-Saitama General Hospital, Satte, Japan
| | - Yutaka Machida
- Department of Neurology, Tokyo Rinkai Hospital, Tokyo, Japan
| | - Hiroki Hanawa
- Department of Rehabilitation, Higashi-Saitama General Hospital, Satte, Japan
| | - Masayoshi Kanai
- Saitama Spine Center, Higashi-Saitama General Hospital, Satte, Japan
| | - Satoshi Asano
- Saitama Spine Center, Higashi-Saitama General Hospital, Satte, Japan
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Postoperative lower limb compensation in patient with adult spinal deformity. J Clin Neurosci 2019; 59:106-111. [DOI: 10.1016/j.jocn.2018.10.119] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 10/27/2018] [Indexed: 11/18/2022]
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Pumberger M, Schmidt H, Putzier M. Spinal Deformity Surgery: A Critical Review of Alignment and Balance. Asian Spine J 2018; 12:775-783. [PMID: 30060389 PMCID: PMC6068412 DOI: 10.31616/asj.2018.12.4.775] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 11/12/2017] [Indexed: 12/01/2022] Open
Abstract
Correction of the overall coronal and/or sagittal plane deformities is one of the main predictors of successful spinal surgery. In routine clinical practice, spinal alignment is assessed using several spinal and pelvic parameters, such as pelvic incidence and tilt, sacral slope, lumbar lordosis, thoracic kyphosis, and sagittal vertical axis. Standard values have been defined for all these parameters, and the formulas of correction have been set for determining the surgical strategy. However, several factors can potentially bias these formulas. First, all standard values are measured using conventional plain radiographs and are, therefore, prone to bias. The radiologist, measuring surgeon, and patient are possible confounding influencing factors. Second, spino-pelvic compensatory effects and biomechanically relevant structures for the patient’s posture, including ligaments, tendons, and muscles, have received minimal consideration in the literature. Therefore, even in cases of appropriately planned deformity correction surgeries, complications, revision rates, and surgical outcomes significantly vary. This study aimed to illustrate the current clinical weaknesses of the assessment of spinal alignment and the importance of holistically approaching the musculoskeletal system for any spinal deformity surgery. We believe that our detailed insights regarding spinal, sagittal, and coronal alignments as well as the considerations of an individual’s spinal balance will contribute toward improvement in routine patient care.
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Affiliation(s)
- Matthias Pumberger
- Spine Department, Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Berlin-Brandenburg School for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Hendrik Schmidt
- Julius Wolff Institute, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Michael Putzier
- Spine Department, Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Depression and posture in patients with Parkinson's disease. Gait Posture 2018; 61:81-85. [PMID: 29306811 DOI: 10.1016/j.gaitpost.2017.12.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2017] [Revised: 11/10/2017] [Accepted: 12/27/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND Depression is an important non-motor symptom of Parkinson's disease (PD) that significantly impacts the daily activities of affected patients. Furthermore, the stooped posture that characterizes patients with PD has also been associated with depression. The purpose of this study was to investigate the relationship between the presence of depressive symptoms and body posture in patients with PD. METHODS Forty-six patients with mild-to-moderate PD were recruited. The patients were divided into depression and no depression groups based on Beck Depression Inventory scores. All patients underwent kinematic analysis conducted in the upright standing posture with a motion capture system. RESULTS There were no differences in clinical characteristics between the depression (n = 22) and no depression groups (n = 24). In the standing position, patients with depression showed anterior tilting of the head from the pelvis and an increased distance between head and pelvis. The severity of depression was correlated with the degree of flexion at the lower trunk level and the degree of anterior tilting of the head, neck, and trunk from the pelvis and base of support. CONCLUSIONS Patients with PD and depression showed increased flexion at pelvis level, which caused the trunk to tilt anteriorly. In addition, the severity of depression was correlated with the degree of anterior tilting of the head and trunk. These findings suggest that stooped posture, especially from the pelvis level, could be a marker of depression in patients with PD.
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Day LM, DelSole EM, Beaubrun BM, Zhou PL, Moon JY, Tishelman JC, Vigdorchik JM, Schwarzkopf R, Lafage R, Lafage V, Protopsaltis T, Buckland AJ. Radiological severity of hip osteoarthritis in patients with adult spinal deformity: the effect on spinopelvic and lower extremity compensatory mechanisms. 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 2018; 27:2294-2302. [DOI: 10.1007/s00586-018-5509-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 01/09/2018] [Accepted: 01/30/2018] [Indexed: 12/01/2022]
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Galbusera F, Bassani T, Stucovitz E, Martini C, Ismael Aguirre MF, Berjano PL, Lamartina C. Surgical treatment of spinal disorders in Parkinson's disease. 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 2018; 27:101-108. [PMID: 29397444 DOI: 10.1007/s00586-018-5499-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 01/24/2018] [Indexed: 01/05/2023]
Abstract
PURPOSE Most patients suffering from Parkinson's disease (PD) exhibit alterations in the posture, which can in several cases give rise to spine deformities, both in the sagittal and the coronal plane. In addition, degenerative disorders of the spine frequently associated to PD, such as spinal stenosis and sagittal instability, can further impact the quality of life of the patient. In recent years, spine surgery has been increasingly performed, with mixed results. The aim of this narrative review is to analyze the spinal disorders associated to PD, and the current evidence about their surgical treatment. METHODS Narrative review. RESULTS Camptocormia, i.e., a pronounced flexible forward bending of the trunk with 7% prevalence, is the most reported sagittal disorder of the spine. Pisa syndrome and scoliosis are both common and frequently associated. Disorders to the spinopelvic alignment were not widely investigated, but a tendency toward a lower ability of PD patients to compensate the sagittal malalignment with respect to non-PD elderly subjects with imbalance seems to emerge. Spine surgery in PD patients showed high rates of complications and re-operations. CONCLUSIONS Disorders of the posture and spinal alignment, both in the sagittal and in the coronal planes, are common in PD patients, and have a major impact on the quality of life. Outcomes of spine surgery are generally not satisfactory, likely mostly due to muscle dystonia and poor bone quality. Knowledge in this field needs to be consolidated by further clinical and basic science studies. These slides can be retrieved under Electronic Supplementary Material.
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Affiliation(s)
- Fabio Galbusera
- Laboratory of Biological Structures Mechanics, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Tito Bassani
- Laboratory of Biological Structures Mechanics, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Elena Stucovitz
- Laboratory of Biological Structures Mechanics, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Carlotta Martini
- G Spine 4, IRCCS Istituto Ortopedico Galeazzi, Via Galeazzi 4, 20161, Milan, Italy.
| | | | - Pedro L Berjano
- G Spine 4, IRCCS Istituto Ortopedico Galeazzi, Via Galeazzi 4, 20161, Milan, Italy
| | - C Lamartina
- G Spine 4, IRCCS Istituto Ortopedico Galeazzi, Via Galeazzi 4, 20161, Milan, Italy
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Zhong H, Zhou Z, Liu J, Guo L, Lv GH, Li J, Zou MX. Letter: Clinical Outcomes Following Surgical Management of Coexisting Parkinson Disease and Cervical Spondylotic Myelopathy. Neurosurgery 2018; 82:E65-E66. [PMID: 29053829 DOI: 10.1093/neuros/nyx540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Hua Zhong
- Department of Orthopedics Surgery Central Hospital of Yi Yang Yiyang, China
| | - Zhihong Zhou
- Department of Orthopedics Surgery Central Hospital of Yi Yang Yiyang, China
| | - Jianchun Liu
- Department of Orthopedics Surgery Central Hospital of Yi Yang Yiyang, China
| | - Lebin Guo
- Department of Orthopedics Surgery Central Hospital of Yi Yang Yiyang, China
| | - Guo-Hua Lv
- Department of Spine Surgery The Second Xiangya Hospital Central South University Changsha, China
| | - Jing Li
- Department of Spine Surgery The Second Xiangya Hospital Central South University Changsha, China
| | - Ming-Xiang Zou
- Department of Spine Surgery The Second Xiangya Hospital Central South University Changsha, China
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Sun J, Wang JJ, Zhang LW, Huang H, Fu NX. Sagittal Alignment as Predictor of Adjacent Segment Disease After Lumbar Transforaminal Interbody Fusion. World Neurosurg 2018; 110:e567-e571. [DOI: 10.1016/j.wneu.2017.11.049] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 11/07/2017] [Accepted: 11/09/2017] [Indexed: 12/31/2022]
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Redaelli A, Berjano P, Aebi M. Focal disorders of the spine with compensatory deformities: how to define them. 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 2018; 27:59-69. [PMID: 29383486 DOI: 10.1007/s00586-018-5501-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/22/2018] [Accepted: 01/24/2018] [Indexed: 12/30/2022]
Abstract
PURPOSE In this paper, the authors propose classifying the epiphenomenon of spinal deformity in two different categories: structural deformity, when the main driver of the observed deformity is a fixed and stiff alteration of the spinal segments, and compensatory deformity, which includes cases where the observed deformity is due to focal abnormalities. This last category comprises, but is not limited to, spinal stenosis, spondylolisthesis, disc herniation, infection or tumor, hip disease or neurological disease (such as Parkinson's disease). METHOD Narrative review article. RESULTS We analyzed the focal diseases of the spine that may cause a compensatory deformity inducing adaptation in the unaffected part of the spine. CONCLUSION The compensatory mechanisms involved in adaptive deformity represent an attempt to maintain a global alignment, to escape from pain or to control body posture. These slides can be retrieved under Electronic Supplementary material.
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Affiliation(s)
- Andrea Redaelli
- IRCCS Istituto Ortopedico Galeazzi, Gspine4, via Riccardo Galeazzi 4, 20161, Milan, Italy.
| | - Pedro Berjano
- IRCCS Istituto Ortopedico Galeazzi, Gspine4, via Riccardo Galeazzi 4, 20161, Milan, Italy
| | - Max Aebi
- IRCCS Istituto Ortopedico Galeazzi, Gspine4, via Riccardo Galeazzi 4, 20161, Milan, Italy
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Ozturk EA, Kocer BG. Predictive risk factors for chronic low back pain in Parkinson’s disease. Clin Neurol Neurosurg 2018; 164:190-195. [DOI: 10.1016/j.clineuro.2017.12.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Revised: 10/09/2017] [Accepted: 12/09/2017] [Indexed: 01/01/2023]
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De la Garza Ramos R, Goodwin CR, Jain A, Martinez-Ramirez D, Karikari IO, Sciubba DM. Inpatient morbidity after spinal deformity surgery in patients with movement disorders. JOURNAL OF SPINE SURGERY 2017; 3:601-608. [PMID: 29354738 DOI: 10.21037/jss.2017.11.09] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background To investigate the inpatient perioperative morbidity rate of patients with movement disorders (MD) after spinal deformity surgery. Methods The Nationwide Inpatient Sample database from 2002 to 2011 was queried to identify adult patients with MD who underwent spinal deformity surgery. Complication rates were compared between patients with MD and controls. A multiple logistic regression analysis was conducted to assess the effect of MD on outcome. Results A total of 365 patients with MD (3.3%) were identified among 11,043 patients undergoing surgery for spinal deformity. Patients with MD were on average 8 years older than the control group (67 vs. 59 years of age, P<0.001). The complication rate was 55.1% for patients with MD and 43.7% for patients without MD (P<0.001). The most common complication was acute post-hemorrhagic anemia, which occurred in 31.9% of all patients (41.6% in MD patients and 31.5% in the control group, P<0.001). Other complications that were more common in patients with MD included delirium (P<0.001), acute kidney injury (P=0.032), and pulmonary embolism (P=0.014). After controlling for patient age, sex, osteoporosis, complex procedures, fusion to the lumbosacral spine, use of bone morphogenetic protein, and use of blood transfusion, patients with MD were 1.3 times more likely to develop a complication compared to patients without MD [odds ratio (OR), 1.27; 95% confidence interval (CI), 1.02-1.59; P=0.032] on multiple logistic regression analysis. No significant difference in hospital stay was observed. Conclusions Patients with MD who undergo spinal deformity surgery may be at risk of higher rate of complications compared to patients without these disorders.
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Affiliation(s)
- Rafael De la Garza Ramos
- Department of Neurological Surgery, Montefiore Medical Center/Albert Einstein College of Medicine, New York, USA
| | - C Rory Goodwin
- Department of Neurological Surgery, Montefiore Medical Center/Albert Einstein College of Medicine, New York, USA
| | - Amit Jain
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Daniel Martinez-Ramirez
- Department of Neurology, University of Florida Health Center for Movement Disorders and Neurorestoration, Gainesville, Florida, USA
| | - Isaac O Karikari
- Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina, USA
| | - Daniel M Sciubba
- Department of Neurological Surgery, Montefiore Medical Center/Albert Einstein College of Medicine, New York, USA
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Baker JF, McClelland S, Line BG, Smith JS, Hart RA, Ames CP, Shaffrey C, Bess S. In-Hospital Complications and Resource Utilization Following Lumbar Spine Surgery in Patients with Parkinson Disease: Evaluation of the National Inpatient Sample Database. World Neurosurg 2017; 106:470-476. [DOI: 10.1016/j.wneu.2017.07.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 07/02/2017] [Accepted: 07/05/2017] [Indexed: 12/12/2022]
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Abstract
Parkinson disease (PD) is increasingly prevalent in the aging population. Spine disorders in patients with PD may be degenerative in nature or may arise secondary to motor effects related to the parkinsonian disease process. Physicians providing care for patients with PD and spine pathologies must be aware of several factors that affect treatment, including the patterns of spinal deformity, complex drug interactions, and PD-associated osteoporosis. Following spine surgery, complication rates are higher in patients with PD than in those without the disease. Literature on spine surgery in this patient population is limited by small cohort size, the heterogeneous patient population, and variable treatment protocols. However, most studies emphasize the need for preoperative optimization of motor control with appropriate medications and deep brain stimulation, as well as consultation with a movement disorder specialist. Future studies must control for confounding variables, such as the type of surgery and PD severity, to improve understanding of spinal pathology and treatment options in this patient population.
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Abstract
STUDY DESIGN A multicenter, retrospective study. OBJECTIVE To identify the factors that affect surgery-related complications and to clarify the surgical strategy for treating lumbar disorders in Parkinson disease (PD). SUMMARY OF BACKGROUND DATA Previous studies have reported a high complication rate for spinal surgery in patients with PD. Because of the limited number of studies, there are no guidelines for spinal surgery for PD patients. METHODS We retrospectively reviewed the records for 67 PD patients who underwent lumbar spinal surgery. The patients were divided into 3 groups: 12 patients underwent laminectomy (Laminectomy), 24 underwent fusion surgery (Fusion) for lumbar canal stenosis, and 31 underwent corrective surgery for spinal deformity (Deformity). We assessed surgery-related complications in each group. The Cox proportional hazards model was used to identify the factors that predicted surgical failure. RESULTS The percentages of patients who experienced failure of the initial surgery were 33.3% in the Laminectomy group, 45.8% in the Fusion group, and 67.7% in the Deformity group. The rates of implant failure were high in the Fusion and Deformity groups (33.3% and 38.7%, respectively). The Deformity group had a high rate of postoperative fracture (41.9%). These complications occurred at the most caudal site within a year after surgery and resulted in progression of kyphotic deformity. Multivariate analysis revealed that preoperative lumbar lordosis angle (LL) (per -1 degree) was associated with a failure of the initial surgery (hazard ratio, 1.024; 95% confidence interval, 1.008-1.04; P=0.003). CONCLUSIONS We have demonstrated that a small preoperative LL increases the risk for failure of the initial surgery. Attaining and maintaining the proper lumbar lordosis with rigid fixation may be necessary in PD patients with a small preoperative LL.
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Risk Factors of Adjacent Segment Disease After Transforaminal Inter-Body Fusion for Degenerative Lumbar Disease. Spine (Phila Pa 1976) 2017; 42:E86-E92. [PMID: 27270640 DOI: 10.1097/brs.0000000000001728] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A retrospective study. OBJECTIVE The purpose of this study was to determine the incidence and risk factors of adjacent segment disease (ASD) after transforaminal inter-body fusion (TLIF) for degenerative lumbar disease. SUMMARY OF BACKGROUND DATA ASD is a major complication after spinal fusion. Many reports have been published concerning the risk factors for ASD after TLIF. A number of quantitative relationships to spino-pelvic parameters have been established. A retrospective cohort study was carried out to investigate spino-pelvic alignment in patients with ASD after TLIF. METHODS This study evaluated 263 subjects (150 subjects undergoing floating fusion (FF group), and 113 patients undergoing lumbosacral fusion (LF group)) who underwent TLIF from 2009 to 2012. The mean follow-up period was 37.6 months. Several parameters were measured using pre- and postoperative full-length free-standing radiographs, including lumbar lordosis (LL), sacral slope (SS), pelvic incidence (PI), pelvic tilt (PT), and PI-LL. Multivariate logistic regression analysis was performed to evaluate these parameters as potential risk factors of early onset radiographic ASD. RESULTS Radiographic ASD was found in 65 cases (43.3%) in the FF group, and 49 cases (43.3%) in the LF group. LL improved by 7.5° and 3.9° in each group respectively after TLIF. However, PT worsened by 6.4° in the LF group. When comparing with ASD positive cases and ASD negative cases, a significant difference in preoperative PT was observed in both FF (P = 0.001) and LF groups (P = 0.0001). Logistic regression analysis and receiver operating characteristic analysis revealed that preoperative PT of more than 22.5° was a significant risk factor of the incidence of ASD after TLIF (P = 0.02; odds ratio: 5.1, 95% CI: 1.62-9.03). CONCLUSION Patients with preoperative sagittal imbalance have a statistically significant increased risk of ASD. The risk of ASD incidence was 5.1 times greater in subjects with preoperative PT of more than 22.5°.
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Watanabe K, Hirano T, Katsumi K, Ohashi M, Shoji H, Hasegawa K, Yamazaki A, Ishikawa A, Koike R, Endo N, Nishizawa M, Shimohata T. Characteristics of spinopelvic alignment in Parkinson's disease: Comparison with adult spinal deformity. J Orthop Sci 2017; 22:16-21. [PMID: 27964875 DOI: 10.1016/j.jos.2016.09.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 08/27/2016] [Accepted: 09/21/2016] [Indexed: 10/20/2022]
Abstract
PURPOSE The characteristics and pathogenesis of spinopelvic alignment in Parkinsons's disease (PD) patients-including differences compared to non-PD subjects and their relationships with the severity of PD-have not been clarified. The aim of this study was to investigate the characteristics of spinopelvic alignment in patients with PD. METHODS Forty-eight PD patients complaining of chronic low back pain were included (PD group). The PD condition, determined using the Hoehn and Yahr (H&Y) stage and Unified Parkinson Disease Rating Scale (UPDRS) score; radiographic spinopelvic alignment; lumbar range of motion (ROM); and low back pain-related quality of life assessments were evaluated. Fifty age- and sex-matched patients with adult spinal deformities were included as controls (ASD group). RESULTS The spinopelvic alignments of the PD/ASD groups demonstrated sagittal vertical axes of 120.9/106.3 mm and pelvic incidences of 49.7/52.9°, with no significant differences. Conversely, there were significant differences in the thoracic kyphosis (TK; 27.6/16.7°), lumbar lordosis (-22.7/-7.9°), and pelvic tilt (25.3/34.4°) (all, p < 0.05). With regard to correlations with the PD condition, the H&Y stage demonstrated significant correlations with the sagittal vertical axis, thoracolumbar kyphosis, and lumbar ROM (all, p < 0.05), and the UPDRS score tended to correlate with the TK and thoracolumbar kyphosis (both, p < 0.01). CONCLUSION Characteristic spinal conditions in PD exist, with progressed PD condition causing stooped posture with increased thoracic or thoracolumbar kyphosis and decreased lumbar ROM; moreover, global sagittal malalignment progresses without sufficient compensatory mechanisms such as loss of TK and pelvic retroversion.
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Affiliation(s)
- Kei Watanabe
- Division of Orthopedic Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Niigata, Japan.
| | - Toru Hirano
- Division of Orthopedic Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Niigata, Japan
| | - Keiichi Katsumi
- Division of Orthopedic Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Niigata, Japan
| | - Masayuki Ohashi
- Division of Orthopedic Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Niigata, Japan
| | - Hirokazu Shoji
- Division of Orthopedic Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Niigata, Japan
| | | | - Akiyoshi Yamazaki
- Department of Orthopedic Surgery, Spine Center, Niigata Central Hospital, Japan
| | - Atsushi Ishikawa
- Department of Neurology, Brain Disease Center Agano Hospital, Japan
| | - Ryoko Koike
- Department of Neurology, Nishi-Niigata Chuo National Hospital, Japan
| | - Naoto Endo
- Division of Orthopedic Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Niigata, Japan
| | - Masatoyo Nishizawa
- Department of Neurology, Brain Research Institute, Niigata University, Niigata City, Niigata, Japan
| | - Takayoshi Shimohata
- Department of Neurology, Brain Research Institute, Niigata University, Niigata City, Niigata, Japan
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Kapetanakis S, Giovannopoulou E, Thomaidis T, Charitoudis G, Pavlidis P, Kazakos K. Transforaminal Percutaneous Endoscopic Discectomy in Parkinson Disease: Preliminary Results and Short Review of the Literature. KOREAN JOURNAL OF SPINE 2016; 13:144-150. [PMID: 27799995 PMCID: PMC5086467 DOI: 10.14245/kjs.2016.13.3.144] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 09/08/2016] [Accepted: 09/13/2016] [Indexed: 12/18/2022]
Abstract
Objective To study the effectiveness of Transforaminal Percutaneous Endoscopic Discectomy (TPED) for lumbar disc herniation in patients with Parkinson disease (PD). Methods Fifteen patients diagnosed with PD and lumbar disc hernia were recruited to the study. All patients underwent TPED. Mean age was 61.27±6 years, with 8 male (53.3%) and 7 female patients (46.7%). Level of operation was L3-4 (33.3%), L4-5 (33.3%) and L5-S1 (33.3%). Visual analogue scale (VAS) for leg pain and Oswestry Disabillity Index (ODI) for back pain, as well as the Medical Outcomes Study Questionnaire Short-Form 36 Health Survey (SF-36) for health-related quality of life (HRQoL) were assessed right before surgery and at 6 weeks, 3, 6, and 12 months after surgery. Results VAS and ODI showed significant (p<0.005) reduction one year after TPED, with a percentage improvement of 83.9% and 79.4%, respectively. Similarly, all aspects of quality of life (SF-36) were significantly (p<0.005) improved 1 year after the procedure. Bodily pain and role physical demonstrated the highest increase followed by role emotional, physical function, social function, vitality, mental health, and general health. Beneficial impact of TPED on clinical outcome and HRQoL was independent of gender and operated level. Conclusion TPED is effective in reducing lower limb symptoms and low back pain in patients with lumbar disc hernia, suffering from PD. Positive effect of endoscopy is, also, evident in HRQoL of those patients one year after the procedure.
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Affiliation(s)
- Stylianos Kapetanakis
- Spine Department and Deformities, Interbalkan European Medical Center, Thessaloniki, Greece
| | - Eirini Giovannopoulou
- Spine Department and Deformities, Interbalkan European Medical Center, Thessaloniki, Greece
| | - Triphonas Thomaidis
- Spine Department and Deformities, Interbalkan European Medical Center, Thessaloniki, Greece
| | - George Charitoudis
- Spine Department and Deformities, Interbalkan European Medical Center, Thessaloniki, Greece
| | - Pavlos Pavlidis
- Laboratory of Forensic Sciences, Medical School, Democritus University of Thrace, Alexandroupolis, Greece
| | - Konstantinos Kazakos
- Department of Orthopaedic Surgery, University Hospital of Alexandroupolis, Medical School, Democritus University of Thrace, Alexandroupolis, Greece
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Relationship Between Kyphotic Posture and Falls in Community-Dwelling Men and Women: The Locomotive Syndrome and Health Outcome in Aizu Cohort Study. Spine (Phila Pa 1976) 2016; 41:1232-1238. [PMID: 27046636 DOI: 10.1097/brs.0000000000001602] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A cohort study using data from the Locomotive Syndrome and Health Outcome in Aizu Cohort Study, a population-based prospective cohort study of residents of the towns of Tadami and Minamiaizu in Fukushima Prefecture, Japan. OBJECTIVE The aim of this study was to clarify the association between kyphotic posture and falls, and to investigate the presence or absence of sex differences. SUMMARY OF BACKGROUND DATA In our literature review, we found no studies focusing on sex differences in the association between kyphotic posture and falls. METHODS We included subjects aged more than 40 years who participated in annual health check-ups from 2009 to 2010. We analyzed the effects of kyphotic posture, measured using the wall-occiput test (WOT), on falls, adjusting for potential confounders, such as age, body mass index, symptoms of depression, sedative medication, and other comorbidities. RESULTS We enrolled a total of 1418 subjects into primary analyses (593 men, 825 women; mean [standard deviation] age, 68.1 [7.7] yrs). We then stratified subjects into the following groups according to the degree of kyphotic posture: nonkyphotic posture (n = 1138, 80.3%), mild kyphotic posture (n = 172, 12.1%), and severe kyphotic posture (n = 108, 7.6%). We observed no significant difference in the severity of kyphotic posture between men and women (P = 0.18). Overall, 284 subjects (20.0%) experienced at least one fall during the one-year period. After adjustment for potential confounders using a logistic regression model, we observed a significant association between severe kyphotic posture and falls for men [odds ratio (OR) 2.14 (1.01-4.57); P = 0.048]. In contrast, we observed no significant association for women [OR for severe kyphotic posture 0.80 (0.43-1.50), OR for mild kyphotic posture 0.91 (0.53-1.57)]. CONCLUSION We identified a sex difference in the association between kyphotic posture and falls in community-dwelling adults. In particular, severe kyphotic posture might only increase the incidence of falls in men. LEVEL OF EVIDENCE 3.
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Ames CP, Smith JS, Eastlack R, Blaskiewicz DJ, Shaffrey CI, Schwab F, Bess S, Kim HJ, Mundis GM, Klineberg E, Gupta M, O’Brien M, Hostin R, Scheer JK, Protopsaltis TS, Fu KMG, Hart R, Albert TJ, Riew KD, Fehlings MG, Deviren V, Lafage V, _ _. Reliability assessment of a novel cervical spine deformity classification system. J Neurosurg Spine 2015; 23:673-83. [DOI: 10.3171/2014.12.spine14780] [Citation(s) in RCA: 179] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT
Despite the complexity of cervical spine deformity (CSD) and its significant impact on patient quality of life, there exists no comprehensive classification system. The objective of this study was to develop a novel classification system based on a modified Delphi approach and to characterize the intra- and interobserver reliability of this classification.
METHODS
Based on an extensive literature review and a modified Delphi approach with an expert panel, a CSD classification system was generated. The classification system included a deformity descriptor and 5 modifiers that incorporated sagittal, regional, and global spinopelvic alignment and neurological status. The descriptors included: “C,” “CT,” and “T” for primary cervical kyphotic deformities with an apex in the cervical spine, cervicothoracic junction, or thoracic spine, respectively; “S” for primary coronal deformity with a coronal Cobb angle ≥ 15°; and “CVJ” for primary craniovertebral junction deformity. The modifiers included C2–7 sagittal vertical axis (SVA), horizontal gaze (chin-brow to vertical angle [CBVA]), T1 slope (TS) minus C2–7 lordosis (TS–CL), myelopathy (modified Japanese Orthopaedic Association [mJOA] scale score), and the Scoliosis Research Society (SRS)-Schwab classification for thoracolumbar deformity. Application of the classification system requires the following: 1) full-length standing posteroanterior (PA) and lateral spine radiographs that include the cervical spine and femoral heads; 2) standing PA and lateral cervical spine radiographs; 3) completed and scored mJOA questionnaire; and 4) a clinical photograph or radiograph that includes the skull for measurement of the CBVA. A series of 10 CSD cases, broadly representative of the classification system, were selected and sufficient radiographic and clinical history to enable classification were assembled. A panel of spinal deformity surgeons was queried to classify each case twice, with a minimum of 1 intervening week. Inter- and intrarater reliability measures were based on calculations of Fleiss k coefficient values.
RESULTS
Twenty spinal deformity surgeons participated in this study. Interrater reliability (Fleiss k coefficients) for the deformity descriptor rounds 1 and 2 were 0.489 and 0.280, respectively, and mean intrarater reliability was 0.584. For the modifiers, including the SRS-Schwab components, the interrater (round 1/round 2) and intrarater reliabilities (Fleiss k coefficients) were: C2–7 SVA (0.338/0.412, 0.584), horizontal gaze (0.779/0.430, 0.768), TS-CL (0.721/0.567, 0.720), myelopathy (0.602/0.477, 0.746), SRS-Schwab curve type (0.590/0.433, 0.564), pelvic incidence-lumbar lordosis (0.554/0.386, 0.826), pelvic tilt (0.714/0.627, 0.633), and C7-S1 SVA (0.071/0.064, 0.233), respectively. The parameter with the poorest reliability was the C7–S1 SVA, which may have resulted from differences in interpretation of positive and negative measurements.
CONCLUSIONS
The proposed classification provides a mechanism to assess CSD within the framework of global spinopelvic malalignment and clinically relevant parameters. The intra- and interobserver reliabilities suggest moderate agreement and serve as the basis for subsequent improvement and study of the proposed classification.
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Affiliation(s)
- Christopher P. Ames
- 1Department of Neurosurgery, University of California, San Francisco, California
| | - Justin S. Smith
- 2Department of Neurosurgery, University of Virginia Medical Center, Charlottesville, Virginia
| | - Robert Eastlack
- 3San Diego Center for Spinal Disorders, San Diego, California
| | | | - Christopher I. Shaffrey
- 2Department of Neurosurgery, University of Virginia Medical Center, Charlottesville, Virginia
| | - Frank Schwab
- 4Department of Orthopedic Surgery, NYU Hospital for Joint Diseases, New York, New York
| | - Shay Bess
- 5Department of Orthopedic Surgery, Rocky Mountain Hospital for Children, Denver, Colorado
| | - Han Jo Kim
- 6Department of Orthopedic Surgery, Hospital for Special Surgery, New York, New York
| | | | - Eric Klineberg
- 7Department of Orthopedic Surgery, University of California, Davis, Sacramento, California
| | - Munish Gupta
- 7Department of Orthopedic Surgery, University of California, Davis, Sacramento, California
| | - Michael O’Brien
- 8Department of Orthopedic Surgery, Baylor Scoliosis Center, Plano, Texas
| | - Richard Hostin
- 8Department of Orthopedic Surgery, Baylor Scoliosis Center, Plano, Texas
| | - Justin K. Scheer
- 9Department of Neurosurgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Kai-Ming G. Fu
- 10Department of Neurosurgery, Weill Cornell Medical College, New York, New York
| | - Robert Hart
- 11Department of Orthopedic Surgery, Oregon Health Sciences University, Portland, Oregon
| | - Todd J. Albert
- 12Department of Orthopedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - K. Daniel Riew
- 13Department of Orthopedic Surgery, Washington University, St Louis, Missouri
| | | | - Vedat Deviren
- 15Department of Orthopaedic Surgery, University of California, San Francisco, California
| | - Virginie Lafage
- 4Department of Orthopedic Surgery, NYU Hospital for Joint Diseases, New York, New York
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Watanabe K, Hirano T, Katsumi K, Ohashi M, Ishikawa A, Koike R, Endo N, Nishizawa M, Shimohata T. Characteristics and exacerbating factors of chronic low back pain in Parkinson's disease. INTERNATIONAL ORTHOPAEDICS 2015; 39:2433-8. [PMID: 26440577 DOI: 10.1007/s00264-015-3011-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Accepted: 09/21/2015] [Indexed: 12/22/2022]
Abstract
BACKGROUND The aim of this study was to determine the exacerbating factors of chronic low back pain (LBP) and strategic points against LBP in patients with Parkinson's disease (PD). METHODS Forty-four consecutive PD patients complaining of LBP were included. Clinical characteristics of PD and LBP, spinal musculoskeletal condition, and clinical health status were evaluated. RESULTS Patient age at PD and LBP onset was contiguous, and LBP time period was mainly described as constant or upon waking up. Exacerbating factors of LBP included modified Hoehn and Yahr stage and motor complications of PD, such as the wearing-off phenomenon and dyskinesia. Bone quality demonstrated osteopenia due to elevated bone resorption, with vitamins K and D insufficiencies. Spinal alignment demonstrated an increased sagittal vertical axis (120.2 ± 65.4 mm) with decreased lumbar lordosis (-24.0 ± 20.6°) and lumbar range of motion (28.7 ± 10.2°), which were significantly related to severity of LBP and quality of life assessments. CONCLUSIONS This study demonstrated that exacerbating factors of LBP include stage of motor function, motor complications of PD and stooped posture with decreased lumbar lordosis and range of lumbar movement. Therefore, control of PD, including motor complications, active treatment for osteoporosis and therapeutic exercise, are important for treating chronic LBP in patients with PD.
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Affiliation(s)
- Kei Watanabe
- Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, 1-757 Asahimachi Dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan.
| | - Toru Hirano
- Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, 1-757 Asahimachi Dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Keiichi Katsumi
- Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, 1-757 Asahimachi Dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Masayuki Ohashi
- Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, 1-757 Asahimachi Dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Atsushi Ishikawa
- Department of Neurology, Brain Disease Center Agano Hospital, Agano City, Niigata, Japan
| | - Ryoko Koike
- Department of Neurology, Nishi-Niigata Chuo National Hospital, Niigata City, Niigata, Japan
| | - Naoto Endo
- Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, 1-757 Asahimachi Dori, Chuo-ku, Niigata City, Niigata, 951-8510, Japan
| | - Masatoyo Nishizawa
- Department of Neurology, Brain Research Institute, Niigata University, Niigata City, Niigata, Japan
| | - Takayoshi Shimohata
- Department of Neurology, Brain Research Institute, Niigata University, Niigata City, Niigata, Japan
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Ferrero E, Vira S, Ames CP, Kebaish K, Obeid I, O’Brien MF, Gupta MC, Boachie-Adjei O, Smith JS, Mundis GM, Challier V, Protopsaltis TS, Schwab FJ, Lafage V. Analysis of an unexplored group of sagittal deformity patients: low pelvic tilt despite positive sagittal malalignment. 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 2015; 25:3568-3576. [DOI: 10.1007/s00586-015-4048-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 03/19/2015] [Accepted: 05/23/2015] [Indexed: 11/30/2022]
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Diebo BG, Henry J, Lafage V, Berjano P. Sagittal deformities of the spine: factors influencing the outcomes and complications. 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 2014; 24 Suppl 1:S3-15. [DOI: 10.1007/s00586-014-3653-8] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 11/01/2014] [Accepted: 11/01/2014] [Indexed: 10/24/2022]
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