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Hamasaki Takahiko,Nakamae Toshio,Kamei Naosuke,Fujiwara Yasushi,Rhee John M.,Tanaka Nobuhiro,Fujimoto Yoshinori,Adachi Nobuo,Shimose Shoji 대한척추외과학회 2023 Asian Spine Journal Vol.17 No.5
Study Design: Retrospective cohort study.Purpose: The present study aimed to examine the characteristics of physical signs in elderly patients with cervical myelopathy (CM) and to compare the findings in three different age groups.Overview of Literature: As the global population ages, the incidence of CM in elderly patients is increasing.Methods: We evaluated 100 consecutive surgical patients with CM and divided them into the following groups: 80s (34 patients; mean age, 83.9 years), 70s (33 patients; mean age, 73.9 years), and 69 or younger (33 patients; mean age, 60.9 years). The clinical symptoms and physical signs were evaluated and recorded.Results: Although the recovery rate decreased with increasing age, all groups demonstrated a significant improvement in clinical symptoms relative to preoperative values. The Hoffman sign and hyperreflexia of the triceps tendon were, respectively, present in 82% and 88% of patients in the 80s group, 74% and 64% of those in the 70s group, and 69% and 82% of those in the 69 or younger group, with no significant difference among the groups. In contrast, the rates of hyperreflexia of the patellar and Achilles tendons were, respectively, 59% and 32% in the 80s group, 85% and 48% in the 70s group, and 91% and 70% in the 69 or younger group, with significant differences.Conclusions: The positivity rate of the lower extremity hyperreflexia decreased significantly with increasing age in patients with CM. The absence of hyperreflexia, particularly lower extremity, is not uncommon in elderly patients with suspected CM.
Hiroyuki Takashima,Tsuneo Takebayashi,Hiroki Shishido,Mitsunori Yoshimoto,Rui Imamura,Yoshihiro Akatsuka,Yoshinori Terashima,Hiroyoshi Fujiwara,Masateru Nagae,Toshikazu Kubo,Toshihiko Yamashita 대한척추외과학회 2016 Asian Spine Journal Vol.10 No.1
Study Design: Prospective study based on magnetic resonance (MR) imaging of the lumbar spinal root of the intervertebral foramen. Purpose: This study was to compare MR three-dimensional (3D) sequences for the evaluation of the lumbar spinal root of the intervertebral foramen. Overview of Literature: The diagnosis of spinal disorders by MR imaging is commonly performed using two-dimensional T1- and T2-weighted images, whereas 3D MR images can be used for acquiring further detailed data using thin slices with multi-planar reconstruction. Methods: On twenty healthy volunteers, we investigated the contrast-to-noise ratio (CNR) of the lumbar spinal root of the intervertebral foramen with a 3D balanced sequence. The sequences used were the fast imaging employing steady state acquisition and the coherent oscillatory state acquisition for the manipulation of image contrast (COSMIC). COSMIC can be used with or without fat suppression (FS). We compared these sequence to determine the optimized visualization sequence for the lumbar spinal root of the intervertebral foramen. Results: For the CNR between the nerve root and the peripheral tissue, these were no significant differences between the sequences at the entry of foramen. There was a significant difference and the highest CNR was seen with COSMIC-FS for the intra- and extraforamen. Conclusions: In this study, the findings suggest that the COSMIC-FS sequences should be used for the internal or external foramen for spinal root disorders.
Suwen Yang,Tanji Hoshi,Motoyuki Yuasa,Naoko Nakayama,Chika Takagi,Naoko Inoue,Naoko Sakurai,Yoshinori Fujiwara 서울시립대학교 도시과학연구원 2012 도시과학국제저널 Vol.16 No.1
This study aimed to reveal the causal relationships of dietary and lifestyle habits with socio-economic status (SES) and three health-related factors (physical,mental and social health) in elderly urban dwellers in Japan. All the elderly urban dwellers aged 65 years or more in an urban area of Tokyo were surveyed using a self-administered questionnaire in September 2001. There were 13,195 respondents with a response rate of 80.2%. And then, two follow-up surveys were conducted in 2004 and 2007, respectively. Finally, 8162 respondents were included as analysis subjects. Data analysis was performed using factor analysis and structural equation modelling (SEM). As a result of an exploratory factor analysis, three latent variables (‘dietary and lifestyle habits in 2004’, ‘SES in 2001’and ‘three health-related factors in 2001’) were defined and applied in the SEM. From the best-fit models, dietary and lifestyle habits in 2004 were well explained by SES and three health-related factors in 2001 (R2 ¼ 0.44 for elderly men and R2 ¼ 0.61 for elderly women). The results showed that dietary and lifestyle habits in 2004 were not only directly affected by SES and the three health-related factors in 2001, but also indirectly by SES via the three health-related factors. Moreover,the causal relationships between the three latent variables depended on sex and age. In conclusion, SES as a basic determinant – enough income, high education level and good physical, mental and social health – favoured both directly and indirectly the practice of healthy or desirable lifestyle habits of the elderly late in life. It will be necessary to construct a model with higher external validity in a future study.