AI Article Synopsis
- Ultrasonographic measurements of temporal muscle thickness may serve as a valuable nutritional assessment tool in hemodialysis patients, indicating potential mortality risk.
- The study involved 60 patients, primarily focusing on demographic and clinical data to analyze correlations between muscle thickness and health outcomes over an average follow-up of 33.3 months.
- Results showed a significant difference in muscle thickness between survivors and nonsurvivors, emphasizing that lower temporal muscle thickness is linked to higher mortality rates in this patient population.
Article Abstract
Objective: Ultrasonographic temporal muscle thickness measurement has recently emerged as a promising method of nutritional assessment in various conditions; hence, we aimed to determine the relationship between temporal muscle thickness and mortality in prevalent hemodialysis patients.
Methods: Adult patients who were on a regular in-center hemodialysis program for ≥3 months were included, and patients with severe nonrenal organ failure or any recent significant disease inception were excluded. Baseline demographic; clinical, laboratory, and anthropometric data, including malnutrition inflammation score; and outcomes data were collected using a standardized form.
Results: A total of 60 patients (32 males, diabetes prevalence: 26.6%) who met the eligibility criteria participated in the study, with a mean follow-up of 33.3±11.5 months, a median age of 66.5 (interquartile range 52.7-74) years, time on hemodialysis of 36 months, and a body mass index of 25.9 kg/m². Infections and cardiovascular events were the most common causes of overall mortality that occurred in 41.6% of the patients. Temporal muscle thickness was significantly lower in nonsurvivors (8.8 vs. 10.6 mm, p<0.001). Multivariate Cox regression analysis involving age, albumin, spKt/V, and malnutrition inflammation score revealed that temporal muscle thickness was a significant predictor of mortality (hazard ratio=0.740, p=0.035). Receiver operating characteristic curve analysis has shown 68% of sensitivity and 81.8% of specificity for a cutoff value of 9.4 mm (p<0.001). Temporal muscle thickness was weakly or mildly correlated with hemodialysis vintage, body mass index, albumin, and malnutrition inflammation score and moderately correlated with age (r=-0.536, p<0.001).
Conclusion: Ultrasonographic temporal muscle thickness has been found as a significant predictor of mortality in prevalent hemodialysis patients. Temporal muscle thickness could be a novel marker of nutritional status and predictor of mortality; hence, further studies are warranted.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9779950 | PMC |
| http://dx.doi.org/10.1590/1806-9282.20220844 | DOI Listing |
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