Dysgeusia in MASLD-related Advanced Chronic Liver Disease (ACLD): a Silent Driver Towards the "Bermuda" Triangle of Malnutrition-sarcopenia-frailty Severely Affecting Prognosis
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Background: Dysgeusia is a distortion of the sense of taste whose prevalence and relationship with nutritional status in Metabolic dysfunction-associated Steatotic Liver Disease (MASLD)-related advanced chronic liver disease (ACLD) have never been systematically explored.
Methods: 200 MASLD patients [60 ≤ F3 fibrosis, 70 compensated ACLD (cACLD), and 70 decompensated (dACLD)] were enrolled. At baseline, the Child-Pugh (CP) score was determined. Dietary habits, body composition, and frailty were evaluated. The European Working Group (EWGSOP2) criteria defined sarcopenia. Dysgeusia was assessed by the Dysgeusia-Total-Score (DTS). A visual analog scale identified appetite impairment (VASAI). During a 6-month follow-up, liver-related decompensation events (LRDEs) were recorded.
Results: The prevalence of dysgeusia increased with the liver disease progression, appearing significantly higher in ACLD compared with ≤ F3 (65.7% vs 5%, p:0.003), as well as in dACLD compared to cACLD patients (58.5 vs 7.1% p < 0.0001). On 41 dACLD patients presenting dysgeusia, 37 (90.2%) showed a significant impairment of appetite levels. In dACLD, the CP score was positively correlated with both DTS (R:0.742) and VASAI (R:0.704), as well as DTS was directly correlated with VASAI (R:0.765) (all p < 0.0001). Compared with dACLD patients without dysgeusia, dysgeusia-affected dACLD patients presented a lower daily protein intake (g/kg/die) (1.55 ± 0.192 vs 1.34 ± 0.15, p < 0.0001). Sarcopenia (70.7 vs 41.3%) and frailty (69.29 vs 37.9%) were significantly more prevalent in dysgeusia-affected dACLD individuals (both p < 0.0001). These patients showed a higher risk of LRDEs occurrence during the follow-up [HR:2.205; C.I. 95%:1.186-4.099; p:0.01]. Logistic regression analysis revealed dysgeusia (aOR: 3.32), appetite impairment (aOR:1.32), sarcopenia (aOR: 3.75), and frailty (aOR:3.03) significantly associated with this outcome (all p < 0.0001).
Conclusions: Dysgeusia appears predominant in MASLD-dACLD and, via appetite impairment, in a close relationship with malnutrition, sarcopenia, and frailty, negatively influencing patients' outcomes.