Phase angle obtained via bioelectrical impedance analysis and objectively measured physical activity or exercise habits

Yamada, Yosuke; Yoshida, Tsukasa; Murakami, Haruka; Kawakami, Ryoko; Gando, Yuko; Ohno, Harumi; Tanisawa, Kumpei; Konishi, Kana; Tripette, Julien; Kondo, Emi; Nakagata, Takashi; Nanri, Hinako; Miyachi, Motohiko

doi:10.1038/s41598-022-21095-6

Cited by 27 publications

(24 citation statements)

References 61 publications

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“…Furthermore, in the present study, a signi cant positive correlation was found between PhA and LSA, which is an indicator of physical activity. High physical activity is associated with high physical function, and a correlation between physical activity and PhA has been reported in other studies 18,29 . However, the mechanisms underlying the relationship between physical activity, physical function, and PhA are unknown.…”

Section: Relationship Between Pha Physical Function and Physical Acti...supporting

confidence: 70%

Phase angle is related to physical function and quality of life in preoperative patients with lumbar spinal stenosis

Otsubo

Hashida

Murotani

et al. 2022

Preprint

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Lumbar spinal stenosis (LSS) can interfere with daily life and quality of life (QOL). Evaluating physical function and QOL and helping them to improve is the focus of rehabilitation. Phase angle (PhA) assessment is widely used to measure body composition and is considered an indicator of physical function and QOL. This study investigated the relationship between PhA and physical function, physical activity, and QOL in patients with LSS. PhA, handgrip strength, walking speed, Timed Up and Go test (TUG), Life Space Assessment (LSA), Prognostic Nutritional Index (PNI), Japanese Orthopaedic Association Back Pain Evaluation Questionnaire (JOABPEQ), and EQ-5D were assessed and statistically analyzed. The study included 104 patients with LSS. Multiple regression analysis of PhA adjusted for age, sex, and body mass index (Model 1) and for Model 1 + PNI (Model 2) showed significant correlations (P < 0.05) with handgrip strength, walking speed, TUG, and LSA. Regarding QOL, PhA showed a significant correlation (P < 0.05) with lumbar function in JOABPEQ and a significant trend (P < 0.1) in EQ-5D in both models. PhA was associated with physical function and QOL in patients with LSS and may be a new clinical indicator in this population.

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Section: Relationship Between Pha Physical Function and Physical Acti...supporting

confidence: 70%

Phase angle is related to physical function and quality of life in preoperative patients with lumbar spinal stenosis

Otsubo

Hashida

Murotani

et al. 2022

Preprint

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“…These situations correlate with an increased mortality rate and the length of the hospital stay [ 52 , 53 , 54 ]. While many studies have been conducted on healthy subjects, obese individuals, the elderly population, and hemodialysis patients, we need more data on metabolic surgery diabetes remission patients [ 55 , 56 ].…”

Section: Discussionmentioning

confidence: 99%

Molecular, Metabolic, and Nutritional Changes after Metabolic Surgery in Obese Diabetic Patients (MoMen): A Protocol for a Multicenter Prospective Cohort Study

et al. 2023

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Metabolic surgery is an essential option in the treatment of obese patients with type 2 diabetes (T2D). Despite its known advantages, this surgery still needs to be introduced in Malaysia. In this prospective study, the pathophysiological mechanisms at the molecular level will be studied and the metabolomics pathways of diabetes remission will be explored. The present study aims to evaluate the changes in the anthropometric measurements, body composition, phase angle, diet intake, biochemistry parameters, adipokines, microRNA, and metabolomics, both pre- and post-surgery, among obese diabetic patients in Malaysia. This is a multicenter prospective cohort study that will involve obese patients (n = 102) with a body mass index (BMI) of ≥25 kg/m2 (Asian BMI categories: WHO/IASO/IOTF, 2000) who will undergo metabolic surgery. They will be categorized into three groups: non-diabetes, prediabetes, and diabetes. Their body composition will be measured using a bioimpedance analyzer (BIA). The phase angle (PhA) data will be analyzed. Venous blood will be collected from each patient for glycated hemoglobin (HbA1c), lipids, liver, renal profile, hormones, adipokines, and molecular and metabolomics analyses. The serum microRNA will be measured. A gene expression study of the adipose tissue of different groups will be conducted to compare the groups. The relationship between the 1HNMR-metabolic fingerprint and the patients’ lifestyles and dietary practices will be determined. The factors responsible for the excellent remission of T2D will be explored in this study.

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“…The PhA correlates well with skeletal muscle density measured using computed tomography 26 . PhA measurements were performed using a bioelectrical impedance spectroscopy device (SFB7, ImpediMed, Pinkenba, Australia) 27 …”

Section: Methodsmentioning

confidence: 96%

“…26 PhA measurements were performed using a bioelectrical impedance spectroscopy device (SFB7, ImpediMed, Pinkenba, Australia). 27…”

Section: Measurement Of Skeletal Muscle Mass and Qualitymentioning

confidence: 99%

Association of skeletal muscle function, quantity, and quality with gut microbiota in Japanese adults: A cross‐sectional study

Iwasaka,

Nanri,

Nakagata

et al. 2023

Geriatrics Gerontology Int

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AimThe gut microbiota has emerged as a new intervention target for sarcopenia. Prior studies in humans have focused on the association between gut microbiota and skeletal muscle quantity, while the evidence on muscle function and quality is lacking. This study aimed to identify gut microbiota genera associated with skeletal muscle function, quantity, and quality in a general population of Japanese adults.MethodsThis cross‐sectional study included 164 participants aged 35–80 years, women and men recruited from urban areas of Japan. Fecal samples were collected and analyzed using 16S rRNA gene amplicon sequencing. Skeletal muscle function was measured using handgrip strength and leg extension power (LEP), while skeletal muscle mass was estimated using bioelectrical impedance analysis. Phase angle was used as a measure of skeletal muscle quality. Multivariate linear regression analysis stratified by age group was used to examine the association between the dominant genera of the gut microbiota and skeletal muscle variables.ResultsA significant association was found between Bacteroides and Prevotella 9 with LEP only in the ≥60 years group. When both Bacteroides and Prevotella 9 were included in the same regression model, only Bacteroides remained consistently and significantly associated with LEP. No significant associations were observed between skeletal muscle mass, handgrip strength, and phase angle and major gut microbiota genera.ConclusionsIn this study, we observed a significant positive association between Bacteroides and leg muscle function in older adults. Further studies are required to elucidate the underlying mechanisms linking Bacteroides to lower‐extremity muscle function. Geriatr Gerontol Int 2024; 24: 53–60.

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Phase angle obtained via bioelectrical impedance analysis and objectively measured physical activity or exercise habits

Cited by 27 publications

References 61 publications

Phase angle is related to physical function and quality of life in preoperative patients with lumbar spinal stenosis

Phase angle is related to physical function and quality of life in preoperative patients with lumbar spinal stenosis

Molecular, Metabolic, and Nutritional Changes after Metabolic Surgery in Obese Diabetic Patients (MoMen): A Protocol for a Multicenter Prospective Cohort Study

Association of skeletal muscle function, quantity, and quality with gut microbiota in Japanese adults: A cross‐sectional study

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