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Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors

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  • معلومة اضافية
    • Publication Information:
      Figshare, 2019.
    • Publication Date:
      2019
    • Abstract:
      ObjectiveRelationship between secondary changes in skeletal muscle and body weight in chronic stroke survivors has not yet been carefully examined. The objective of this study was to clarify the relationships between muscle mass, intramuscular fat, and body weight in chronic stroke survivors.MethodsSeventy-two chronic stroke survivors participated in this study. Transverse ultrasound images were acquired using B-mode ultrasound imaging. Quadriceps muscle mass and intramuscular fat were assessed based on muscle thickness and echo intensity, respectively. We used a stepwise multiple regression analysis to identify the factors that were independently associated with the body mass index. We entered quadriceps thickness and echo intensity of the paretic and non-paretic sides into another stepwise multiple regression model to avoid multicollinearity. Age, sex, type of stroke, time since stroke, thigh length, number of medications, and an updated Charlson comorbidity index were included as the independent variables.ResultsThe quadriceps thickness and echo intensity of the paretic and non-paretic sides were significantly independently associated with the body mass index: quadriceps thickness of the paretic side, β = 0.52; quadriceps thickness of the non-paretic side, β = 0.55; quadriceps echo intensity of the paretic side, β = −0.35; quadriceps echo intensity of the non-paretic side, β = −0.27).ConclusionsOur results suggest that low body mass index is associated with loss of muscle mass and increased intramuscular fat on both the paretic and non-paretic sides of chronic stroke survivors. Further studies examining whether appropriate weight management, along with targeted rehabilitation programs aimed at increasing muscle mass and decreasing intramuscular fat, achieves good outcomes in chronic stroke survivors are warranted.
    • Accession Number:
      10.1371/journal.pone.0211145
    • Accession Number:
      edsair.r37980778c78..fe37dda3d48f7f1e524f284582489da2
  • Citations
    • ABNT:
      AKAZAWA, N. et al. Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors. [s. l.], 2019. DOI 10.1371/journal.pone.0211145. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edsair&AN=edsair.r37980778c78..fe37dda3d48f7f1e524f284582489da2&custid=s8280428. Acesso em: 7 jul. 2020.
    • AMA:
      Akazawa N, Harada K, Okawa N, Tamura K, Moriyama H. Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors. January 2019. doi:10.1371/journal.pone.0211145.
    • AMA11:
      Akazawa N, Harada K, Okawa N, Tamura K, Moriyama H. Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors. Published online January 1, 2019. doi:10.1371/journal.pone.0211145
    • APA:
      Akazawa, N., Harada, K., Okawa, N., Tamura, K., & Moriyama, H. (2019). Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors. https://doi.org/10.1371/journal.pone.0211145
    • Chicago/Turabian: Author-Date:
      Akazawa, Naoki, Kazuhiro Harada, Naomi Okawa, Kimiyuki Tamura, and Hideki Moriyama. 2019. “Low Body Mass Index Negatively Affects Muscle Mass and Intramuscular Fat of Chronic Stroke Survivors,” January. doi:10.1371/journal.pone.0211145.
    • Harvard:
      Akazawa, N. et al. (2019) ‘Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors’. doi: 10.1371/journal.pone.0211145.
    • Harvard: Australian:
      Akazawa, N, Harada, K, Okawa, N, Tamura, K & Moriyama, H 2019, ‘Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors’, viewed 7 July 2020, .
    • MLA:
      Akazawa, Naoki, et al. Low Body Mass Index Negatively Affects Muscle Mass and Intramuscular Fat of Chronic Stroke Survivors. Jan. 2019. EBSCOhost, doi:10.1371/journal.pone.0211145.
    • Chicago/Turabian: Humanities:
      Akazawa, Naoki, Kazuhiro Harada, Naomi Okawa, Kimiyuki Tamura, and Hideki Moriyama. “Low Body Mass Index Negatively Affects Muscle Mass and Intramuscular Fat of Chronic Stroke Survivors,” January 1, 2019. doi:10.1371/journal.pone.0211145.
    • Vancouver/ICMJE:
      Akazawa N, Harada K, Okawa N, Tamura K, Moriyama H. Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors. 2019 Jan 1 [cited 2020 Jul 7]; Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=edsair&AN=edsair.r37980778c78..fe37dda3d48f7f1e524f284582489da2&custid=s8280428