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Liang Y, Yang L, Zhang J, Hu J, He J, Chen P, Wang J. Association between Deltoid Muscle Density and Proximal Humeral Fracture in Elderly Patients. Orthop Rev (Pavia) 2024; 16:94103. [PMID: 38974660 PMCID: PMC11224064 DOI: 10.52965/001c.94103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 02/05/2024] [Indexed: 07/09/2024] Open
Abstract
Background The potential role of deltoid muscle density in the occurrence of proximal humeral fractures remains uncertain. Therefore, the primary objective of this study was to examine the correlation between deltoid muscle density, as measured by CT attenuation value in Hounsfield units (HU), and the incidence of proximal humeral fractures in elderly patients. By investigating this association, we aim to shed light on the possible influence of deltoid muscle density on fracture risk in this specific population. Methods A total of 68 patients with computed tomography (CT) images were retrospectively reviewed. Among them, 34 patients presented with fractures following low-energy injuries, while the remaining 34 patients served as controls and underwent CT scans after low-energy injuries without any fractures. The muscle density of the deltoid muscles was assessed at the approximate tubercle of humerus. We compared these parameters between the two groups and conducted analyses considering factors such as age, sex, laterality, and deltoid muscle density of the shoulders. Results The demographic factors related to the shoulder did not exhibit any significant association with proximal humeral fracture. However, we observed a noteworthy difference in deltoid muscle density between patients with fractures (40.85 ± 1.35) and the control group (47.08 ± 1.61) (p = 0.0042), indicating a lower muscle density in the fracture group. Conclusion Based on the findings of this study, we can conclude that there exists a negative correlation between deltoid muscle density and the incidence of proximal humeral fractures. These results suggest that lower deltoid muscle density may be associated with an increased risk of proximal humeral fractures in the elderly population under investigation.
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Affiliation(s)
- Yuan Liang
- Department of OrthopedicsNorthern Jiangsu People’s Hospital Affiliated to Yangzhou University, Nantong West Road 98, Yangzhou, 225001, China
| | - Lixun Yang
- Department of OrthopedicsNorthern Jiangsu People’s Hospital Affiliated to Yangzhou University, Nantong West Road 98, Yangzhou, 225001, China
| | - Jiale Zhang
- Department of OrthopedicsNorthern Jiangsu People’s Hospital Affiliated to Yangzhou University, Nantong West Road 98, Yangzhou, 225001, China
| | - Jinlong Hu
- Department of OrthopedicsNorthern Jiangsu People’s Hospital Affiliated to Yangzhou University, Nantong West Road 98, Yangzhou, 225001, China
| | - Jinshan He
- Department of OrthopedicsNorthern Jiangsu People’s Hospital Affiliated to Yangzhou University, Nantong West Road 98, Yangzhou, 225001, China
| | - Pengtao Chen
- Department of OrthopedicsNorthern Jiangsu People’s Hospital Affiliated to Yangzhou University, Nantong West Road 98, Yangzhou, 225001, China
| | - Jingcheng Wang
- Department of OrthopedicsNorthern Jiangsu People’s Hospital Affiliated to Yangzhou University, Nantong West Road 98, Yangzhou, 225001, China
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Takahashi M, Sakamoto K, Kogure Y, Nojiri S, Tsuchiya Y, Honjo K, Kawai M, Ishiyama S, Sugimoto K, Nagakari K, Tomiki Y. Use of 3D-CT-derived psoas major muscle volume in defining sarcopenia in colorectal cancer. BMC Cancer 2024; 24:741. [PMID: 38890682 PMCID: PMC11184714 DOI: 10.1186/s12885-024-12524-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 06/14/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Sarcopenia is characterized by reduced skeletal muscle volume and is a condition that is prevalent among elderly patients and associated with poor prognosis as a comorbidity in malignancies. Given the aging population over 80 years old in Japan, an understanding of malignancies, including colorectal cancer (CRC), complicated by sarcopenia is increasingly important. Therefore, the focus of this study is on a novel and practical diagnostic approach of assessment of psoas major muscle volume (PV) using 3-dimensional computed tomography (3D-CT) in diagnosis of sarcopenia in patients with CRC. METHODS The subjects were 150 patients aged ≥ 80 years with CRC who underwent primary tumor resection at Juntendo University Hospital between 2004 and 2017. 3D-CT measurement of PV and conventional CT measurement of the psoas major muscle cross-sectional area (PA) were used to identify sarcopenia (group S) and non-sarcopenia (group nS) cases. Clinicopathological characteristics, operative results, postoperative complications, and prognosis were compared between these groups. RESULTS The S:nS ratios were 15:135 for the PV method and 52:98 for the PA method. There was a strong positive correlation (r = 0.66, p < 0.01) between PVI (psoas major muscle volume index) and PAI (psoas major muscle cross-sectional area index), which were calculated by dividing PV or PA by the square of height. Surgical results and postoperative complications did not differ significantly in the S and nS groups defined using each method. Overall survival was worse in group S compared to group nS identified by PV (p < 0.01), but not significantly different in groups S and nS identified by PA (p = 0.77). A Cox proportional hazards model for OS identified group S by PV as an independent predictor of a poor prognosis (p < 0.05), whereas group S by PA was not a predictor of prognosis (p = 0.60). CONCLUSIONS The PV method for identifying sarcopenia in elderly patients with CRC is more practical and sensitive for prediction of a poor prognosis compared to the conventional method.
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Affiliation(s)
- Makoto Takahashi
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan.
| | - Kazuhiro Sakamoto
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Yosuke Kogure
- Department of Radiological Technology, Juntendo University Hospital, Tokyo, Japan
| | - Shuko Nojiri
- Medical Technology Innovation Center, Juntendo University, Tokyo, Japan
| | - Yuki Tsuchiya
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Kumpei Honjo
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Masaya Kawai
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Shun Ishiyama
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Kiichi Sugimoto
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Kunihiko Nagakari
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Yuichi Tomiki
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
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Choi W, Kim CH, Yoo H, Yun HR, Kim DW, Kim JW. Development and validation of a reliable method for automated measurements of psoas muscle volume in CT scans using deep learning-based segmentation: a cross-sectional study. BMJ Open 2024; 14:e079417. [PMID: 38777592 PMCID: PMC11116865 DOI: 10.1136/bmjopen-2023-079417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 04/23/2024] [Indexed: 05/25/2024] Open
Abstract
OBJECTIVES We aimed to develop an automated method for measuring the volume of the psoas muscle using CT to aid sarcopenia research efficiently. METHODS We used a data set comprising the CT scans of 520 participants who underwent health check-ups at a health promotion centre. We developed a psoas muscle segmentation model using deep learning in a three-step process based on the nnU-Net method. The automated segmentation method was evaluated for accuracy, reliability, and time required for the measurement. RESULTS The Dice similarity coefficient was used to compare the manual segmentation with automated segmentation; an average Dice score of 0.927 ± 0.019 was obtained, with no critical outliers. Our automated segmentation system had an average measurement time of 2 min 20 s ± 20 s, which was 48 times shorter than that of the manual measurement method (111 min 6 s ± 25 min 25 s). CONCLUSION We have successfully developed an automated segmentation method to measure the psoas muscle volume that ensures consistent and unbiased estimates across a wide range of CT images.
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Affiliation(s)
- Woorim Choi
- Biomedical Research Center, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Chul-Ho Kim
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Songpa-gu, Seoul, Republic of Korea
| | - Hyein Yoo
- Biomedical Research Center, Asan Medical Center, Songpa-gu, Seoul, Republic of Korea
| | - Hee Rim Yun
- Coreline Soft Co., Ltd, Mapo-gu, Seoul, Republic of Korea
| | - Da-Wit Kim
- Coreline Soft Co., Ltd, Mapo-gu, Seoul, Republic of Korea
| | - Ji Wan Kim
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Songpa-gu, Seoul, Republic of Korea
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Imamura T, Fujioka H, Ushijima R, Sobajima M, Fukuda N, Ueno H, Kinugawa K. Prognostic Impact of Psoas Muscle Mass Index following Trans-Catheter Aortic Valve Replacement. J Clin Med 2023; 12:3943. [PMID: 37373637 DOI: 10.3390/jcm12123943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/04/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Psoas muscle mass is a recently featured index of sarcopenia, which has a negative prognostic impact in patients with a variety of diseases. We investigated the prognostic impact of baseline psoas muscle mass in patients receiving a trans-catheter aortic valve replacement (TAVR). METHODS Patients who received TAVR at our center between 2015 and 2022 were included. Patients received computer tomography imaging upon admission as an institutional protocol, and psoas muscle mass was measured, which was indexed by body surface area. Patients were followed for four years or until January 2023. The prognostic impact of psoas muscle mass index on 4-year mortality following index discharge was evaluated. RESULTS A total of 322 patients (85 years, 95 male) were included. Median psoas muscle mass index at baseline was 10.9 (9.0, 13.5) × 10 cm3/m2. A lower psoas muscle mass index tended to be associated with several index of malnutrition and sarcopenia. A psoas muscle mass index was independently associated with 4-year mortality with an adjusted hazard ratio of 0.88 (95% confidence interval 0.79-0.99, p = 0.044). Patients with lower psoas muscle mass index (below the statistically calculated cutoff of 10.7 × 10 cm3/m2, N = 152) had significantly higher cumulative 4-year mortality compared with others (32% versus 13%, p = 0.008). CONCLUSIONS A lower psoas muscle mass index, which is a recently featured objective marker of sarcopenia, was associated with mid-term mortality following TAVR in the elderly cohort with severe aortic stenosis. The measurement of psoas muscle mass index prior to TAVR could have clinical implications for shared decision-making among patients, their relatives, and clinicians.
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Affiliation(s)
- Teruhiko Imamura
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Hayato Fujioka
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Ryuichi Ushijima
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Mitsuo Sobajima
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Nobuyuki Fukuda
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Hiroshi Ueno
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Koichiro Kinugawa
- The Second Department of Internal Medicine, University of Toyama, Toyama 930-0194, Japan
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Kim JE, Kim NY, Choi CH, Chung KH. Association between Present Teeth and Muscle Strength in Older People in Korea. J Pers Med 2022; 12:jpm12071163. [PMID: 35887660 PMCID: PMC9324741 DOI: 10.3390/jpm12071163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/13/2022] [Accepted: 07/15/2022] [Indexed: 11/16/2022] Open
Abstract
Background: As the world population continues to age, interest in muscle strength loss in older people is increasing. This study aimed to confirm the association between present teeth and muscle strength in older people in Korea. Methods: Using data extracted from the 2014–2019 Korea National Health and Nutrition Examination Survey, we analyzed 5136 older people aged 65–79 years. The present teeth were based on 20 teeth, which is the criteria for comfortable mastication. The association of the risk of low muscle strength according to the present teeth was assessed using multiple logistic regression analysis, and the association was confirmed by dividing into subgroups according to sex. Results: The prevalence of low muscle strength was 17.87% among all participants. Multiple logistic regression analysis confirmed the association between low muscle strength and present teeth; a significant association was found even in the model in which all covariates were adjusted (odds ratios (OR) = 1.35; 95% confidence interval (CI): 1.13–1.61). Subgroup analysis revealed a significant association between present teeth and low muscle strength even in the model in which both covariates were adjusted for sex (Men, OR = 1.41; 95% CI: 1.02–1.95; Women, OR = 1.31; 95% CI: 1.06–1.6). Conclusion: An association between present teeth and low muscle strength was confirmed in older people in Korea. These results indicate that the importance of oral hygiene management should be emphasized to prevent muscle strength loss in older people.
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Affiliation(s)
- Ji-Eun Kim
- Department of Preventive and Public Health Dentistry, Chonnam National University School of Dentistry, Gwangju 61186, Korea; (J.-E.K.); (N.-Y.K.); (C.-H.C.)
| | - Na-Yeong Kim
- Department of Preventive and Public Health Dentistry, Chonnam National University School of Dentistry, Gwangju 61186, Korea; (J.-E.K.); (N.-Y.K.); (C.-H.C.)
| | - Choong-Ho Choi
- Department of Preventive and Public Health Dentistry, Chonnam National University School of Dentistry, Gwangju 61186, Korea; (J.-E.K.); (N.-Y.K.); (C.-H.C.)
- Dental Science Research Institute, Chonnam National University, Gwangju 61186, Korea
| | - Ki-Ho Chung
- Department of Preventive and Public Health Dentistry, Chonnam National University School of Dentistry, Gwangju 61186, Korea; (J.-E.K.); (N.-Y.K.); (C.-H.C.)
- Dental Science Research Institute, Chonnam National University, Gwangju 61186, Korea
- Correspondence: ; Tel.: +82-62-530-5858
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Ito R, Hiraiwa H, Araki T, Mizutani T, Kazama S, Kimura Y, Oishi H, Kuwayama T, Kondo T, Morimoto R, Okumura T, Murohara T. Prognostic value of malnutrition evaluated using the Global Leadership Initiative on Malnutrition criteria and its association with psoas muscle volume in non-ischemic dilated cardiomyopathy. Heart Vessels 2022; 37:2002-2012. [PMID: 35699761 DOI: 10.1007/s00380-022-02113-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 06/03/2022] [Indexed: 11/28/2022]
Abstract
Heart failure (HF) is a systemic inflammatory disease that causes hypotrophy and skeletal muscle loss. The Global Leadership Initiative on Malnutrition (GLIM) criteria have been developed as a novel evaluation index for malnutrition, with reported usefulness in HF caused by ischemic heart disease. However, reports on the usefulness of malnutrition evaluated by the GLIM criteria in non-ischemic dilated cardiomyopathy (NIDCM) and its relationship with psoas muscle volume are lacking. We investigated the prognostic value of malnutrition evaluated using the GLIM criteria and its association with psoas muscle volume in patients with NIDCM. We enrolled 139 consecutive patients with NIDCM between December 2000 and June 2020. Malnutrition was evaluated using the GLIM criteria on admission. The median follow-up period was 4.7 years. Cardiac events were defined as a composite of cardiac death, hospitalization for worsening HF, and lethal arrhythmia. Furthermore, we measured the psoas muscle volume using computed tomography volumetry in 48 patients. At baseline, the median age was 50 years, and 132 patients (95.0%) had New York Heart Association functional class I or II HF. The median psoas muscle volume was 460.8 cm3. A total of 26 patients (18.7%) were malnourished according to the GLIM criteria. The Kaplan-Meier survival analysis showed that malnourished patients had more cardiac events than non-malnourished patients (log-rank, P < 0.001). The multivariate Cox proportional hazards regression analysis revealed that GLIM criteria-based malnutrition was an independent determinant of cardiac events (hazard ratio, 2.065; 95% confidence interval, 1.166-3.656; P = 0.014). Psoas muscle volume, which was assessed in a total of 48 patients, was lower in malnourished than in non-malnourished patients (median, 369.0 vs. 502.3 cm3; P = 0.035) and correlated with body mass index (r = 0.441; P = 0.002). Nutritional screening using the GLIM criteria may be useful in predicting future cardiac events in patients with NIDCM, reflecting a potential relationship between malnutrition and a low psoas muscle volume.
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Affiliation(s)
- Ryota Ito
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Hiroaki Hiraiwa
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan.
| | - Takashi Araki
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Takashi Mizutani
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Shingo Kazama
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Yuki Kimura
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Hideo Oishi
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Tasuku Kuwayama
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Toru Kondo
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Ryota Morimoto
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Takahiro Okumura
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
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