The metabolically healthy obese (MHO) characterized by the absence of metabolic syndrome have shown superior cardiorespiratory fitness (CRF) and similar muscular strength as compared with the metabolically unhealthy obese (MUO). However, this finding might be biased by the baseline sedentary behavior in the general population. This study utilized 3669 physically active military males aged 18–50 years in Taiwan. Obesity and metabolically unhealthy were respectively defined as body mass index ≥ 27.5 kg/m2 and presence of at least two major components of the metabolic syndrome, according to the International Diabetes Federation criteria for Asian male adults. Four groups were accordingly classified as the metabolically healthy lean (MHL, n = 2510), metabolically unhealthy lean (MUL, n = 331), MHO (n = 181) and MUO (n = 647). CRF was evaluated by time for a 3-km run, and muscular strengths were separately assessed by numbers of push-up and sit-up within 2 min. Analysis of covariance was utilized to compare the difference in each exercise performance between groups adjusting for age, service specialty, smoking, alcohol intake and physical activity. The metabolic syndrome prevalence in MUL and MUO was 49.8% and 47.6%, respectively. The performance of CRF did not differ between MHO and MUO (892.3 ± 5.4 s and 892.6 ± 3.0 s, p = 0.97) which were both inferior to MUL and MHL (875.2 ± 4.0 s and 848.6 ± 1.3 s, all p values < 0.05). The performance of muscular strengths evaluated by 2-min push-ups did not differ between MUL and MUO (45.3 ± 0.6 and 45.2 ± 0.4, p = 0.78) which were both less than MHO and MHL (48.4 ± 0.8 and 50.6 ± 0.2, all p values < 0.05). However, the performance of 2-min sit-ups were only superior in MHL (48.1 ± 0.1) as compared with MUL, MHO and MUO (45.9 ± 0.4, 46.7 ± 0.5 and 46.1 ± 0.3, respectively, all p values < 0.05). Our findings suggested that in a physically active male cohort, the MHO might have greater muscle strengths, but have similar CRF level compared with the MUO.
Background: Hyperphosphatemia in end-stage renal disease patients is prevalent and associated with increasing cardiac mortality. Restricting dietary phosphate intake is a key element in controlling hyperphosphatemia, but most patients fail due to lack of knowledge and sustainability. In this study, we aimed to examine whether incorporating a smartphone application (APP) into a multidisciplinary caring system can decrease the prevalence of hyperphosphatemia in hemodialysis patients. Methods: We designed a quasi-experimental study to enroll patients undergoing regular hemodialysis and assigned them to receive APP-assisted caring program (ACP group, n = 30) or standard education caring program (SCP group, n = 30). Both caring programs targeting dietary phosphate control were administered. Patients’ general characteristics, self-care efficacy scales, knowledge test of phosphate control, and results of monthly blood biochemistry were analyzed. Findings: Knowledge of diet phosphate control and self-care efficacy were significantly higher in the ACP group. Notably, the knowledge improvement was higher in patients aged over 60 years. Compared to the SCP group, the percentage of patients with successful hyperphosphatemia control was significantly higher in the ACP group ( p = 0.0398). Conclusion: The APP-assisted caring program benefits patients with regular hemodialysis to achieve better dietary phosphate control without compromising proper protein intake.
Background: Proteinuria, a marker of kidney injury, may be related to skeletal muscle loss. Whether the severity of proteinuria is associated with physical performance is unclear. Methods: We examined the association of proteinuria severity with physical performance cross-sectionally in 3357 military young males, free of chronic kidney disease, from the cardiorespiratory fitness and hospitalization events in armed Forces (CHIEF) study in Taiwan. The grades of proteinuria were classified according to one dipstick urinalysis which were collected at morning after an 8-h fast as unremarkable (0, +/−, and 1+), moderate (2+) and severe (3+ and 4+). Aerobic physical performance was evaluated by time for a 3000-m run and anaerobic physical performance was evaluated by numbers of 2-min sit-ups and 2-min push-ups, separately. Multiple linear regressions were used to determine the relationship. Results: As compared with unremarkable proteinuria, moderate and severe proteinuria were dose-dependently correlated with 3000-m running time (β: 4.74 (95% confidence intervals (CI): − 0.55, 10.02) and 7.63 (95% CI: 3.21, 12.05), respectively), and inversely with numbers of 2-min push-ups (β = − 1.13 (− 1.97, − 0.29), and − 1.00 (− 1.71, − 0.28), respectively) with adjustments for age, service specialty, body mass index, blood pressure, alcohol intake, smoking, fasting plasma glucose, blood urea nitrogen, serum creatinine and physical activity. However, there was no association between proteinuria severity and 2-min sit-ups. Conclusions: Our findings show a relationship of dipstick proteinuria with aerobic physical performance and parts of anaerobic physical performance in military healthy males. This mechanism is not fully understood and requires further investigations.
Objectives Albuminuria and serum adiponectin levels are factors that have been associated with the development of cardiovascular disease in patients with diabetes mellitus. Here we investigated the relationship between serum adiponectin levels and aortic stiffness in nondialysis diabetic kidney disease patients with stage 3–5 chronic kidney disease. Methods Fasting blood samples were obtained from 80 nondialysis diabetic kidney disease patients with stage 3–5 chronic kidney disease. Carotid-femoral pulse wave velocity (cfPWV) was measured using applanation tonometry; cfPWV values of >10 m/s were defined as aortic stiffness. Serum adiponectin levels were determined by enzyme immunoassay. Results Forty-two patients (52.5%) with nondialysis diabetic kidney disease were diagnosed with aortic stiffness. The patients in this group were older ( p = 0.011), had higher systolic blood pressure ( p = 0.002) and urine albumin-to-creatinine ratios ( p = 0.013), included fewer females ( p = 0.024), and had lower serum adiponectin ( p = 0.001) levels than those in the control group. Multivariable logistic regression analysis revealed that serum adiponectin was independently associated with aortic stiffness (odds ratio = 0.930, 95% confidence interval: 0.884–0.978, p = 0.005) and also positively correlated with cfPWV values by multivariable linear regression ( β = –0.309, p = 0.002) in nondialysis diabetic kidney disease patients. Conclusions The results suggested that serum adiponectin levels could be used to predict aortic stiffness in nondialysis diabetic kidney disease patients with stage 3–5 chronic kidney disease.
The metabolically healthy obese (MHO) characterized by the absence of abdominal obesity have been reported to have superior cardiorespiratory fitness (CRF) than the metabolically unhealthy obese (MUO). However, this finding might be biased by the baseline sedentary behavior in the general population.This study utilized 3,669 physically active military males aged 18-50 years in Taiwan. Obesity and metabolically unhealthy were respectively defined as body mass index ≥27.5 kg/m2 and waist circumference ≥90 cm, specifically for Asian male adults. Four groups were accordingly classified as the metabolically healthy lean (MHL, n=2,607), metabolically unhealthy lean (MUL, n=234), MHO (n=208) and MUO (n=620). CRF was evaluated by time for a 3-kilometer run, and muscular strengths were separately assessed by numbers of push-up and sit-up within 2 minutes. Analysis of covariance was utilized to compare the difference in each exercise performance between groups adjusting for age, service specialty, smoking, alcohol intake, and physical activity.The prevalence of metabolic syndrome in MUO, MHO, MUL and MHL was 45.3% 13.0%, 29.1% and 3.7%, respectively. The performance of CRF did not differ between MHO and MUO (895.3±5.1 sec and 891.5±3.1 sec, p=0.68) which were both inferior to MUL and MHL (877.5±4.8 sec and 849.5±1.4 sec, all p-values <0.05). The performance of muscular strengths evaluated by 2-minute push-ups did not differ between MUL and MUO (44.8±0.2 and 45.2±0.5, p=0.40) which were both less than MHO and MHL (48.1±0.8 and 50.5±0.2, all p-values <0.05). However, the performance of 2-minute sit- ups were only superior in MHL (48.0±0.2) as compared with MUL, MHO and MUO (46.0±0.5, 46.7±0.5 and 46.2±0.3, respectively, all p-values <0.05).Our findings suggested that in a physically active male cohort, the MHO might have greater muscle strengths, but have similar CRF level compared with the MUO.
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