Introduction: There are risk factors associated with mortality in patients older than 70 years with hip fracture, including kidney function. However, indirect formulas to calculate glomerular filtration rate are not validated in patients older than 70 years. We analyzed whether the formula hematocrit, urea, and gender (HUGE) can be used as a prognostic factor. Material and Methods: A retrospective cohort study of 88 patients older than 70 years with a diagnosis of hip fracture. At admission, clinical and biochemical parameters were measured and glomerular filtration rate by Cockcroft-Gault, Modification Of Diet In Renal Disease (MDRD), Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI), and HUGE value. Accuracy to assess long-term mortality was analyzed with receiver-operating curve analysis. Cox regression analysis was performed to identify risk factor for mortality. Results: Sample included 88 patients; overall mortality was 13.63%, 17.85%, 28.57%, and 75.85% at 6 months, 1, 2, and 3 years, respectively. There was no significant difference in glomerular filtration rate by different formulas, contrary to HUGE, with higher values in the mortality group (1.83 + 6.38 vs À2.61 + 2.70, P ¼ .0001). Survival was lower in patients with higher HUGE values (22.7 months, 95% confidence interval [CI] 16.1-29.5 vs 32.9 months, 95% CI 30.2-35.7; P .001). In the Cox regression analysis, a negative HUGE value is associated with lower mortality (hazards ratio ¼ 0.238; 95% CI 0.568-0.099). Conclusion: The HUGE formula is an independent risk factor for mortality in elderly patients with hip fracture, but not the glomerular filtration rate determined by Cockcroft-Gault, MDRD, and CKD-EPI.
Introduction:The protein-energy wasting (PEW) syndrome is a common complication in hemodialysis (HD) patients associated to morbidity and mortality. Our objective was to assess the prevalence of PEW and its association with erythropoietin resistance index (ERI) score, body composition by impedance, health-related quality of life, and muscle strength.Methods: In this cross-sectional, observational, multicenter study, we included data from 191 HD patients from three HD clinics located in Mexico City, Mexico. Clinical and biochemistry variables, body composition, handgrip strength, and the KDQOL-SF36 questionnaire were collected for each patient. Findings: Prevalence of PEW was 22% (n = 41/191), with a higher frequency in those with diabetes mellitus (59% vs. 49%, p = 0.04). Subjects with PEW had lower hemoglobin levels (9.5 + 1.6 g/dl vs. 10.3 + 1.7 g/dl; p = 0.005) and higher ERI scores (19.2 AE 11.2 vs. 15.6 AE 8.2; p = 0.04) compared with the non-PEW group. In analysis of body composition, PEW was associated to higher overhydration status (42.2 vs. 24.9 OH/kg; p = 0.009), higher extracellular water (263 AE 40 vs. 246 AE 32 ml/kg; p = 0.019), lower lean tissue index (12.2 AE 3.2 vs. 14.1 AE 3.7 ml/m 2 ; p = 0.021), and lower fat tissue index (9.6 AE 5.7 vs. 12.3 AE 6.2 ml/m 2 ; p = 0.043). Handgrip strength was lower in PEW patients (22.5 vs. 28.1 kg; p = 0.002). Finally, no significant differences were observed between groups in quality-of-life assessment.Discussion: In this study, PEW was associated to poor responsiveness to erythropoiesis-stimulating agents, lower muscle strength, and higher overhydration status due to the increase in extracellular water which replaced the loss of tissue. Nevertheless, quality-of-life assessment was not different in patients with PEW compared with those without this complication.
Chronic pain is defined as pain lasting longer than six weeks and is one of the main complaints in elderly subjects. Frailty is a pathological condition that increases an individual’s vulnerability by diminishing their homeostatic reserve, and it is considered a mortality risk factor. We examined the association between chronic pain and frailty in subjects who were recruited from a check-up clinic in Mexico City. Chronic pain and frailty were evaluated in 131 subjects through validated questionnaires. Descriptive and analytical statistics were performed. Of the participants, 41.9% presented with chronic pain, and 12.2% were frail. The unadjusted OR for the presence of frailty in subjects with chronic pain was 14.3 (95%CI 3.0-67.8), and the phi coefficient showed a weak positive correlation between the variables (φ=0.352, p<0.001). In conclusion, chronic pain is associated with a higher risk of frailty. Well-timed diagnosis and treatment of chronic pain can help prevent dependency in these individuals.
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