RESUMO
BACKGROUND: Associations between whiplash injuries and quality of life (QOL) have been previously published by conducting surveys among patients. This study aimed to investigate the prevalence of whiplash injuries in a Japanese community, and the association between whiplash injuries and QOL was also determined. METHODS: In all, 1140 volunteers participated in this study, filled out a questionnaire about whether they had experienced a whiplash injury, or had any neck pain or neck-shoulder stiffness in the previous 3 months, and completed the Medical Outcomes Study 36-Item Short-Form Health Survey. QOL was evaluated from the eight domain scores, and the Physical Component Summary (PCS) and Mental Component Summary (MCS) scores. We compared the characteristics, habits, history, medication, body mass index, and health-related QOL (eight domains, PCS and MCS scores) between the groups with whiplash injuries and no whiplash injuries for each sex. Multiple linear regressions with the forced-entry procedure were performed to evaluate the effects of a whiplash injury on the PCS and MCS. A p-value of <0.05 was considered statistically significant. RESULTS: The prevalence of whiplash injuries was 7.7% and 9.6% in men and women, respectively. The percentage of those who experienced whiplash injuries with symptoms persisting for more than 3 months was 34.3% and 24.2% in men and women, respectively. The prevalence of neck symptoms was significantly higher in the whiplash injury group than in the non-whiplash injury group. Multiple linear regression analysis showed that, although whiplash injuries were associated with poor health-related QOL in men, age was more associated with health-related QOL than whiplash injuries in both sexes. CONCLUSION: The prevalence of whiplash injuries was 7.7% and 9.6% in men and women in local residents in Japan, respectively. Whiplash injuries were poorly associated with a poor health-related QOL in men (P = 0.015).
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Qualidade de Vida , Traumatismos em Chicotada , Estudos Transversais , Feminino , Humanos , Japão/epidemiologia , Masculino , Prevalência , Traumatismos em Chicotada/epidemiologiaRESUMO
BACKGROUND: This cross-sectional study sought to determine the neck-shoulder stiffness/low back pain (NSS/LBP) comorbidity rate in a Japanese community population and to compare the quality of life (QOL) in individuals with comorbid NSS/LBP, asymptomatic individuals, and those with symptoms of NSS or LBP alone. METHODS: The sample included 1122 subjects (426 men; 696 women) with NSS and LBP symptoms in the previous 3 months, and were grouped according to NSS, LBP, comorbid NSS and LBP symptoms (Comorbid), or no symptoms (NP). They completed the MOS 36-Item Short-Form Health Survey (SF-36). Health QOL was evaluated by the eight domain scores and the Physical Component Summary (PCS) and Mental Component Summary (MCS) scores after adjusting for age. The primary outcome was to examine the association between NSS/LBP, NSS, or LBP and bodily pain of the eight domains of SF-36. Secondary outcome was to compare health-related QOL among the four groups. RESULTS: Morbidity was 45.6% for NSS and 51.9% for LBP. Comorbidity affected 23% of men and 33% of women. Comorbid NSS/LBP, NSS, and LBP alone were independently associated with bodily pain after adjusting for potential confounders. Men who exhibited comorbidity had significantly lower MCS scores than asymptomatic men. Women who exhibited comorbidity and LBP had significantly lower MCS scores than those with no symptoms or NSS alone. Women who exhibited comorbidity had significantly lower MCS scores than those with no symptoms or LBP alone. CONCLUSIONS: Comorbidity of the two diseases is prevalent in 23% of the men and 33% of women in the Japanese sample. Although NSS, LBP, and comorbidity were independently associated with QOL in terms of pain, QOL was worse in individuals who exhibited comorbidity than in those without symptoms or with NSS alone.
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Dor Lombar , Qualidade de Vida , Estudos Transversais , Feminino , Humanos , Dor Lombar/diagnóstico , Dor Lombar/epidemiologia , Masculino , Ombro , Inquéritos e QuestionáriosRESUMO
BACKGROUND: Osteoporotic fractures constitute a major health concern in both women and men, particularly with the aging population. Many potential risk factors of vertebral fractures (VFx) have been identified in women, but not in men. Several reports have focused on the quality of life (QOL) of clinically diagnosed VFx, but not much has been reported on quantified QOL scores of incidental radiographic VFx in men. This cross-sectional study aimed to investigate the associated factors and the influence of incident radiographic VFx on QOL of men. METHODS: A total of 401 volunteer men aged 40 years or older (40-92 years) participated in this study. The mean age was 60.5 ± 11.8 years. Prevalent VFx were identified on the lateral lumbar spinal radiographs using the semiquantitative method. Bone mineral density, body composition, smoking, alcohol intake, past medical history, Mini-Mental State Examination, grip strength, gait speed, and biochemical markers were examined. QOL was evaluated using the 36-Item Short-Form Health Survey and the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire. RESULTS: Of the 401 subjects, 35 men (8.7%) had the prevalence of VFx. After adjustment for age, the presence of VFx was significantly associated with IGF-1 (odds ratio 0.985; p = 0.02). QOL scores were not significantly associated with VFx after adjustment for age. CONCLUSIONS: IGF-1 is the mediator of growth hormone, and IGF-1 stimulates the proliferation, differentiation, and mineralization of osteoblastic cells. The prevalence of VFx in men was 8.7%, and IGF-1 was significantly lower in the VFx group than in the non-VFx group.
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Fraturas por Osteoporose , Fraturas da Coluna Vertebral , Idoso , Densidade Óssea , Estudos Transversais , Feminino , Humanos , Japão/epidemiologia , Masculino , Pessoa de Meia-Idade , Fraturas por Osteoporose/diagnóstico por imagem , Fraturas por Osteoporose/epidemiologia , Prevalência , Qualidade de Vida , População Rural , Fraturas da Coluna Vertebral/diagnóstico por imagem , Fraturas da Coluna Vertebral/epidemiologiaRESUMO
BACKGROUND: Farming is one of the effective community activities for preventing the need for new long-term care insurance services. This study was conducted to compare spinal canal diameters between patients injured during orchard work (i.e., cultivating apples) and other situations that lead to cervical spinal cord injury without major fracture or dislocation and to investigate the frequency of cervical spinal canal stenosis among farmers in a Japanese community. METHODS: Subjects were 23 patients with cervical spinal cord injury without major fracture and dislocation. Charts and radiographs of these patients were retrospectively reviewed to evaluate the characteristics of the spinal cord injury. The spinal canal diameter at the injury level in the mid-sagittal plane of magnetic resonance imaging (MRI) and mechanism of injury were compared between patients injured by orchard work and other situations. Moreover, 358 Japanese general residents were evaluated for the prevalence of cervical canal stenosis using MRI and comparisons were made between farmers group and non-farmers group. RESULTS: Spinal canal diameters at the injury level were 5.8 ± 1.4 mm in patients injured during orchard work and 5.6 ± 1.0 mm in those injured in other situations; there were no differences between the two groups. Head contusion as mechanism of injury was more frequent in the orchard work group than in other situations group. Among farmers, the rate of spinal canal stenosis increased with age, and it was 62.3% in men and 66.2% in women. CONCLUSIONS: The frequency of cervical spinal canal stenosis was high with age regardless of farming work. In addition, head contusion might be a characteristic mechanism that causes spinal cord injury during orchard work. Therefore, screening of cervical degenerative conditions among farmers and education for prevention of cervical spinal cord injury during farming work are necessary.
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Vértebras Cervicais/lesões , Fazendeiros , Canal Medular/lesões , Traumatismos da Medula Espinal/epidemiologia , Estenose Espinal/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Vértebras Cervicais/diagnóstico por imagem , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Prevalência , Estudos Retrospectivos , Canal Medular/diagnóstico por imagem , Traumatismos da Medula Espinal/diagnóstico por imagem , Estenose Espinal/diagnóstico por imagemRESUMO
INTRODUCTION: The smaller cross-sectional areas of the dural sacs in patients without C5 palsy after posterior cervical spine surgery may lead to less neurological improvement. OBJECTIVES: The aim of this retrospective study was to clarify the differences in the cross-sectional area of the dural sac in the cervical spine and neurological improvement in patients with and without C5 palsy after posterior cervical spinal surgery. METHODS: We retrospectively evaluated the postoperative cross-sectional areas of the dural sacs and neurological outcomes in patients with and without C5 palsy after posterior cervical spine surgery. We compared the postoperative cross-sectional areas of the dural sac at C4/5 and C5/6 on magnetic resonance images between the C5 palsy group (n = 19) and the no-C5 palsy group (n = 84) after posterior cervical spinal surgery 1 year postoperatively. Performance tests, namely, the 10-s grip-and-release test and the 10-s single-foot-tapping (FT) test, were compared between the two groups. RESULTS: Postoperative cross-sectional areas of the dural sac at C4/5 and C5/6 (233.3 mm2 and 226.6 mm2, respectively) in the C5 palsy group were significantly larger (P = 0.0036 and P = 0.0039, respectively) than those (195.0 mm2 and 193.8 mm2, respectively) in the no-C5 palsy group. Postoperative gain in the grip-and-release test was similar between the two groups. Postoperative gain in the FT test (4.9 times) in the C5 palsy group was significantly larger (P = 0.0060) than that (1.8 times) in the no-C5 palsy group. CONCLUSIONS: In the C5 palsy group 1 year after posterior cervical spine surgery, the cross-sectional areas of the dural sac were larger, and the 10-s single FT test improved noticeably.
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Vértebras Cervicais , Paralisia , Vértebras Cervicais/diagnóstico por imagem , Vértebras Cervicais/cirurgia , Descompressão Cirúrgica , Humanos , Imageamento por Ressonância Magnética , Procedimentos Neurocirúrgicos , Paralisia/diagnóstico , Paralisia/etiologia , Complicações Pós-Operatórias , Estudos RetrospectivosRESUMO
This study aimed to investigate the relationship between the cross-sectional area of the dural sac (DCSA) and lower urinary tract symptoms (LUTS). This study included 270 Japanese participants from a community health check-up in 2016. Overactive bladder (OAB) was diagnosed during the assessment of LUTS. The smallest DCSA of each participant was defined as the minimum DCSA (mDCSA). The cutoff size of the mDCSA in OAB was evaluated using receiver operating characteristic analysis. Multiple logistic regression analyses were performed to identify the independent risk factors for OAB, and a scoring system was developed for estimating these. The prevalence of OAB was 11.1%. Age and low back pain visual analogue scale (LBP VAS) scores were significantly higher, and the mean mDCSA was significantly lower in participants with OAB than in those without. The cutoff size of mDCSA in OAB was 69 mm2. There were significant correlations between OAB and age, LBP VAS score, and mDCSA<70 mm2. Lumbar spinal stenosis (LSS) should be considered a cause of LUTS when mDCSA is <69 mm2. Assessing the mDCSA with age and LBP VAS score was more valuable in detecting LUTS in LSS than the mDCSA alone.
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Sintomas do Trato Urinário Inferior , Estenose Espinal , Bexiga Urinária Hiperativa , Estudos Transversais , Humanos , Sintomas do Trato Urinário Inferior/diagnóstico , Sintomas do Trato Urinário Inferior/epidemiologia , Prevalência , Bexiga Urinária Hiperativa/diagnóstico , Bexiga Urinária Hiperativa/epidemiologiaRESUMO
STUDY DESIGN: A retrospective comparison of the surgical outcome after cervical laminoplasty for cervical spondylotic myelopathy (CSM) using a modified K-line based on lordosis in neck extension as a predictor: in K-line Back CSM (KB group), the K-line crosses the ventral edge of any of the spinous processes, whereas in K-line Front CSM (KF group), the K-line does not. OBJECTIVE: To investigate the neurological and radiological outcomes 5âyears after surgery and the contact between the spinal cord and posterior elements after laminoplasty for CSM using the modified K-line. SUMMARY OF BACKGROUND DATA: No indicators on a lateral radiograph can predict the neurological outcome after laminoplasty for CSM. METHODS: Patients with CSM were divided into KB (nâ=â20) and KF groups (nâ=â13). We compared the postoperative Japanese Orthopedic Association (JOA) score, recovery rate, grip-and-release and foot-tapping test results, alignment, and contact between the spinal cord and posterior elements between the two groups. RESULTS: The postoperative JOA score and its recovery rate were significantly lower in the KB group (12.4 points and 34.1%, respectively) than in the KF group (14.1 points and 59.0%, respectively) at final follow-up (Pâ=â0.0415 and 0.0458). The grip-and-release and foot-tapping test results improved significantly in the KF group but not in the KB group. In the KB group, a larger lordotic angle in extension at 1âyear postoperatively continued until final follow-up. The rate of recovery of the JOA score in patients with contacts at both C4/5 and C5/6 and any contact in the KB group (-1.5% and 31.9%, respectively) were lower (Pâ=â0.0013 and 0.0534, respectively) than those in the KF group (58.6% and 60.7%, respectively). CONCLUSION: The K-line Back predicts a poor neurological outcome after laminoplasty for CSM. Decompression with fusion may be recommended for these patients.Level of Evidence: 4.
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Laminoplastia , Doenças da Medula Espinal , Espondilose , Vértebras Cervicais/diagnóstico por imagem , Vértebras Cervicais/cirurgia , Humanos , Laminoplastia/efeitos adversos , Prognóstico , Estudos Retrospectivos , Doenças da Medula Espinal/diagnóstico por imagem , Doenças da Medula Espinal/cirurgia , Espondilose/diagnóstico por imagem , Espondilose/cirurgia , Resultado do TratamentoRESUMO
Lumbar degenerative disease and dementia are increasing in super-aging societies and are both related to physical dysfunction and pain. However, the relationship between these diseases remains unclear. This cross-sectional study aimed to investigate the comorbidity rates of lumbar spinal canal stenosis (LSS) and mild cognitive impairment (MCI) and clarify the association between LSS presence, lumbar symptoms, and quality of life (QOL) related to low back pain and cognitive impairment in the Japanese population. We enrolled 336 participants (men 124; women 212; mean age 72.2 years) from a medical checkup program. LSS was diagnosed using a self-administered questionnaire, and lumbar symptoms were evaluated using the visual analog scale (low back pain, and pain and numbness of the lower limb). QOL related to low back pain was evaluated using the Japanese Orthopedic Association Back-Pain Evaluation Questionnaire (JOABPEQ: pain, and lumbar, and gait function). Radiological lumbar degeneration was classified using Kellgren-Lawrence grading and lateral radiographs of the lumbar spine. Cognitive function was measured using the Mini Mental State Examination (MMSE), and MCI was defined by a summary score of MMSE ≤27. Logistic and multiple linear regression analyses were performed to analyze the association between MCI, summary score of MMSE, and lumbar degenerative disease. The comorbidity rate of MCI and LSS was 2.1%, and the rate of MCI was 41% in participants with LSS. Lumbar function in JOABPEQ was associated with MCI. The presence of LSS and lumbar function in JOABPEQ were associated with MMSE. Over one-third of the people with LSS had MCI. The presence of LSS and deterioration of QOL due to low back pain were related to cognitive impairment. We recommend evaluating cognitive function for patients with LSS because the rate of MCI was high in LSS participants.
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Disfunção Cognitiva/epidemiologia , Dor Lombar/epidemiologia , Estenose Espinal/epidemiologia , Idoso , Comorbidade , Estudos Transversais , Feminino , Humanos , Japão , Vértebras Lombares , Masculino , Medição da Dor , Inquéritos e QuestionáriosRESUMO
The physical and biochemical factors related to cervical disc degeneration (CDD), which is involved in several spinal disorders, remain uncertain. We investigated associations between CDD and muscle strength in a general Japanese population. We used mid-sagittal-plane MRIs to assess CDD in 344 subjects recruited from participants in our community health-check project, and measured body mass index (BMI), skeletal muscle index (SMI), and muscle strength in the neck, trunk, hands, and legs. CDD was scored based on the prevalence and severity of intravertebral disc degeneration. Spearman correlation coefficients were used to evaluate whether the SMI or muscle-strength values were correlated with the disc degenerative score. Stepwise multiple linear regression analyses were then conducted with the CDD score as the dependent variable, and age, sex, BMI, and muscle strength as independent variables, for each gender. These analyses used the muscle-strength parameters that were found to be correlated with the CDD scores in the single correlation analyses. The CDD scores were similar in men and women. Men had significantly more muscle strength in the neck, trunk, hands, and legs. There was a significant negative corelation between the CDD score and the trunk strength in both sexes, handgrip in men, and leg strength in women in the single-variable correlation analysis. Including age and the limb- or trunk-muscle strength comprehensively, multiple linear regression analyses showed that age was the strongest factor that was independently associated with CDD in both sexes, and that the effects were attenuated by limb and trunk muscle strength.