A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging

Background. Elderly female patients complaints of acute low back pain (LBP) may involve vertebral fracture (VF), among which occult VF (OVF: early-stage VF without any morphological change) is often missed to be detected by primary X-ray examination. The current study aimed to investigate the preval...

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Main Authors: Atsushi Terakado, Sumihisa Orita, Kazuhide Inage, Go Kubota, Tomohiro Kanzaki, Hiroshi Mori, Yuji Shinohara, Junichi Nakamura, Yusuke Matsuura, Yasuchika Aoki, Takeo Furuya, Masao Koda, Seiji Ohtori
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Pain Research and Management
Online Access:http://dx.doi.org/10.1155/2017/9265259
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author Atsushi Terakado
Sumihisa Orita
Kazuhide Inage
Go Kubota
Tomohiro Kanzaki
Hiroshi Mori
Yuji Shinohara
Junichi Nakamura
Yusuke Matsuura
Yasuchika Aoki
Takeo Furuya
Masao Koda
Seiji Ohtori
author_facet Atsushi Terakado
Sumihisa Orita
Kazuhide Inage
Go Kubota
Tomohiro Kanzaki
Hiroshi Mori
Yuji Shinohara
Junichi Nakamura
Yusuke Matsuura
Yasuchika Aoki
Takeo Furuya
Masao Koda
Seiji Ohtori
author_sort Atsushi Terakado
collection DOAJ
description Background. Elderly female patients complaints of acute low back pain (LBP) may involve vertebral fracture (VF), among which occult VF (OVF: early-stage VF without any morphological change) is often missed to be detected by primary X-ray examination. The current study aimed to investigate the prevalence of VF and OVF and the diagnostic accuracy of the initial X-ray in detecting OVF. Method. Subjects were elderly women (>70 years old) complaining of acute LBP with an accurate onset date. Subjects underwent lumbar X-ray, magnetic resonance imaging (MRI), and bone mineral density (BMD) measurement at their first visit. The distribution of radiological findings from X-ray and magnetic resonance imaging (MRI) as well as the calculation of the prevalence of VF and OVF are investigated. Results. The prevalence of VF among elderly women with LBP was 76.5% and L1 was the most commonly injured level. Among VF cases, the prevalence of OVF was 33.3%. Furthermore, osteoporotic patients tend to show increased prevalence of VF (87.5%). The predictive values in detecting VF on the initial plain X-ray were as follows: sensitivity, 51.3%; specificity, 75.0%; and accuracy rate, 56.7%. Conclusions. Acute LBP patients may suffer vertebral injury with almost no morphologic change in X-ray, which can be detected using MRI.
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spelling doaj-art-110e548c94bc4e81a28075885c84b0c52025-02-03T00:59:04ZengWileyPain Research and Management1203-67651918-15232017-01-01201710.1155/2017/92652599265259A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance ImagingAtsushi Terakado0Sumihisa Orita1Kazuhide Inage2Go Kubota3Tomohiro Kanzaki4Hiroshi Mori5Yuji Shinohara6Junichi Nakamura7Yusuke Matsuura8Yasuchika Aoki9Takeo Furuya10Masao Koda11Seiji Ohtori12Kitachiba Spine and Sports Clinic, Chiba, JapanKitachiba Spine and Sports Clinic, Chiba, JapanKitachiba Spine and Sports Clinic, Chiba, JapanDepartment of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, JapanKitachiba Spine and Sports Clinic, Chiba, JapanKitachiba Spine and Sports Clinic, Chiba, JapanKitachiba Spine and Sports Clinic, Chiba, JapanDepartment of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, JapanDepartment of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, JapanDepartment of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, JapanDepartment of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, JapanDepartment of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, JapanDepartment of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, JapanBackground. Elderly female patients complaints of acute low back pain (LBP) may involve vertebral fracture (VF), among which occult VF (OVF: early-stage VF without any morphological change) is often missed to be detected by primary X-ray examination. The current study aimed to investigate the prevalence of VF and OVF and the diagnostic accuracy of the initial X-ray in detecting OVF. Method. Subjects were elderly women (>70 years old) complaining of acute LBP with an accurate onset date. Subjects underwent lumbar X-ray, magnetic resonance imaging (MRI), and bone mineral density (BMD) measurement at their first visit. The distribution of radiological findings from X-ray and magnetic resonance imaging (MRI) as well as the calculation of the prevalence of VF and OVF are investigated. Results. The prevalence of VF among elderly women with LBP was 76.5% and L1 was the most commonly injured level. Among VF cases, the prevalence of OVF was 33.3%. Furthermore, osteoporotic patients tend to show increased prevalence of VF (87.5%). The predictive values in detecting VF on the initial plain X-ray were as follows: sensitivity, 51.3%; specificity, 75.0%; and accuracy rate, 56.7%. Conclusions. Acute LBP patients may suffer vertebral injury with almost no morphologic change in X-ray, which can be detected using MRI.http://dx.doi.org/10.1155/2017/9265259
spellingShingle Atsushi Terakado
Sumihisa Orita
Kazuhide Inage
Go Kubota
Tomohiro Kanzaki
Hiroshi Mori
Yuji Shinohara
Junichi Nakamura
Yusuke Matsuura
Yasuchika Aoki
Takeo Furuya
Masao Koda
Seiji Ohtori
A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging
Pain Research and Management
title A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging
title_full A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging
title_fullStr A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging
title_full_unstemmed A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging
title_short A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging
title_sort clinical prospective observational cohort study on the prevalence and primary diagnostic accuracy of occult vertebral fractures in aged women with acute lower back pain using magnetic resonance imaging
url http://dx.doi.org/10.1155/2017/9265259
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