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Published on: November 19, 2012
Minimal hepatic encephalopathy is associated with falls
Eva Román1, Joan Córdoba, Maria Torrens
1CIBERehd, Instituto de Salud Carlos III, Madrid, Spain.
Objectives:
Minimal hepatic encephalopathy (MHE) reduces quality of life and impacts daily functioning. It is known to impair fitness to drive, but deficits in attention and reaction may also be associated with falls. Falls may have important consequences in patients with cirrhosis due to coagulopathy, osteoporosis, and operative risk. However, the relationship between MHE and falls has not yet been evaluated. The objective of this study is to retrospectively investigate whether MHE is associated with falls in patients with cirrhosis.
Methods:
We included 130 cirrhotic outpatients and 43 controls. MHE was diagnosed according to the results of the psychometric hepatic encephalopathy score (PHES). We recorded the reported incidence and number of falls in the 12 months before the study, the severity of injuries, and the need for healthcare services.
Results:
Forty-five (34.6%) patients with cirrhosis exhibited MHE. The proportion of patients with MHE that reported falls (40%) was higher than those without MHE (12.9%, P<0.001), which was similar to controls (11.6%). In patients with MHE, there was a higher need for primary healthcare services (8.8 vs. 0%, P=0.004) and hospitalization (6.6 vs. 2.3%, P=0.34) due to falls than in patients without MHE. Patients on psychoactive drugs (n=21) showed a stronger association between MHE and falls: 6/8 (75%) patients with MHE presented falls vs. 2/13 (15.3%) patients without MHE (P=0.01). In patients not receiving psychoactive drugs (n=109), the incidence of falls was 12/37 (32.4%) in patients with MHE vs. 9/72 (12.5%) in those without MHE (P=0.01). Multivariate analysis showed that MHE (odds ratio (OR): 2.91, 95% confidence interval (CI): 1.13-7.48, P=0.02), previous encephalopathy (OR: 2.87, 95% CI: 1.10-7.50, P=0.03), and antidepressant therapy (OR: 3.91, 95% CI: 0.96-15.9, P=0.05) were independent factors associated to previous falls.
Conclusions:
Falls are more frequent in cirrhotic patients with MHE, particularly in those on treatment with psychoactive drugs, and are a significant cause for healthcare and hospitalization requirements.
Insights
Minimal hepatic encephalopathy (MHE) significantly increases fall risk in cirrhosis patients, especially those on psychoactive drugs. This association leads to higher healthcare needs and hospitalizations.
Area of Science:
- Hepatology
- Neurology
- Geriatrics
Background:
- Minimal hepatic encephalopathy (MHE) impairs quality of life and daily functioning in cirrhosis patients.
- MHE is known to affect driving ability, but its link to falls is under-researched.
- Falls in cirrhosis patients carry severe risks due to coagulopathy, osteoporosis, and surgical complications.
Purpose of the Study:
- To investigate the association between MHE and falls in patients with cirrhosis.
- To determine if MHE is an independent risk factor for falls in this population.
Main Methods:
- Retrospective study including 130 cirrhotic outpatients and 43 controls.
- MHE diagnosis based on the psychometric hepatic encephalopathy score (PHES).
- Data collected on fall incidence, injury severity, and healthcare utilization in the prior 12 months.
Main Results:
- 34.6% of cirrhosis patients had MHE; 40% of these reported falls versus 12.9% without MHE (P<0.001).
- MHE patients had increased need for primary healthcare services (8.8% vs 0%, P=0.004).
- MHE, prior encephalopathy, and antidepressant therapy were independent predictors of falls (OR 2.91, 2.87, 3.91 respectively).
Conclusions:
- Falls are more common in cirrhotic patients with MHE.
- The association between MHE and falls is amplified in patients using psychoactive medications.
- Falls in MHE patients represent a significant burden on healthcare resources and hospitalization rates.
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