Do Nutritional Interventions Improve the Outcomes of Patients with Cirrhosis and Ascites: A Systematic Review of Randomized Trials

ACG Clinical Guideline: Malnutrition and Nutritional Recommendations in Liver Disease

Malnutrition, defined as deficiency, excess, or imbalance of nutrients, is a common complication in patients with liver disease, especially those with cirrhosis. Malnutrition may present as an isolated micronutrient deficiency, such as zinc deficiency, and it commonly presents as frailty and/or sarcopenia in patients with advanced liver disease. Patients with cirrhosis and/or alcohol-associated hepatitis should be assessed for malnutrition because it adversely affects patient outcomes including mortality, as well as waitlist and posttransplant outcomes among liver transplant candidates. The prevalence of malnutrition varies based on the method of assessment and disease severity, being higher in those with advanced liver disease. Among stable outpatients with cirrhosis, counseling should be done to eat small frequent meals, a night-time snack between 7 PM and 10 PM, and 2 or more cups of coffee daily. In selected patients with metabolic dysfunction-associated steatohepatitis, vitamin E 800 IU/d should be provided. Among hospitalized patients with cirrhosis, nutritional supplementation preferably by enteral route should be implemented in those with poor oral intake of daily requirements of proteins and/or calories. Protein intake should not be restricted including patients with decompensated cirrhosis and hepatic encephalopathy. A vegetable source of protein seems to be better tolerated than an animal source of protein in patients with hepatic encephalopathy. Branched chain amino acids augment the efficacy of lactulose and rifaximin in the treatment of hepatic encephalopathy. Level of evidence and strength of recommendations were evaluated using the Grading of Recommendations, Assessment, Development, and Evaluations system. This guideline was developed under the auspices of the American College of Gastroenterology Practice Parameters Committee.

The Changing Epidemiology of Alcohol-Associated Liver Disease: Gender, Race, and Risk Factors

Cases of alcohol-associated liver disease (ALD) are increasing at a steady rate in the United States with more patients presenting with alcohol-associated hepatitis and alcohol-associated cirrhosis. While alcohol use has increased across many demographic groups, women are suffering from a greater increase in alcohol use disorder (AUD), and are at a greater risk of ALD due to pathophysiological differences which include absorption of alcohol, first pass metabolism, and hormonal differences. Differences across race have also been found with Native Americans and Hispanics suffering from some of the largest increases in ALD rates. Younger adults are heavily impacted by rising rates of both AUD and ALD. Comorbidities such as obesity and NASH have been shown to augment the deleterious effects of AUD and ALD, resulting in more advanced liver disease. Finally, COVID-19 and policies related to the pandemic have resulted in increased AUD across many cohorts, which have resulted in marked increases in ALD. In conclusion, ALD rates are rising, with young people and women particularly impacted.

Impact of Inpatient Attending Specialty and Gastroenterology Consultation on Quality of Care of Patients Hospitalized with Decompensated Cirrhosis

BACKGROUND

Data suggest hospitalists are less adherent to quality indicators for decompensated cirrhosis, and gastroenterology consultation may improve adherence. We sought to evaluate the impact of inpatient attending specialty and gastroenterology consultation on quality of care for decompensated cirrhosis.

METHODS

This was a retrospective cohort study of patients with decompensated cirrhosis admitted to gastroenterology or hospitalist service at the University of Michigan between 2016-2020. The primary outcome was adherence to nationally recommended inpatient quality indicators for ascites, hepatic encephalopathy, spontaneous bacterial peritonitis, and gastrointestinal bleeding. Performance was calculated per patient admission as the proportion of quality indicators met vs quality indicators for which the patient was eligible. Quality indicator scores were compared between services using t-tests. We also evaluated the effect of gastroenterology consultation on quality indicator scores for patients admitted to hospitalist service. Clinical outcomes were compared using multivariable models adjusted for patient characteristics.

RESULTS

Two hundred eighty-eight admissions were included (155 to gastroenterology service; 133 to hospitalist service). Quality indicator score for all admissions was 69.9% (standard deviation [SD] ± 24.2%). Quality indicator scores were similar between gastroenterology (69.9%, SD ± 23.6%) and hospitalist (69.8%, SD ± 25.1%) services (P = .913). There was no difference in quality indicator subscores for each complication between services. Hospitalists placed a gastroenterology consultation in 53.4% of admissions, and it was associated with higher albumin administration for patients with spontaneous bacterial peritonitis (57.1% vs 25%, P = .044). Patients admitted to gastroenterology service had higher readmissions within 30 days (adjusted odds ratio = 1.95) and shorter length of hospitalization (adjusted rate ratio = 0.85).

CONCLUSIONS

Hospitalists provided comparable quality of care to gastroenterologists for inpatients with decompensated cirrhosis.

The Future of Quality Improvement for Cirrhosis

Cirrhosis has a significant and growing impact on public health and patient-reported outcomes (PROs). The increasing burden of cirrhosis has led to an emphasis on the quality of care with the goal of improving overall outcomes in this high-risk population. Existing evidence has shown the significant gaps in quality across process measures (eg, hepatocellular carcinoma screening), highlighting the need for consistent measurement and interventions to address the gaps in quality care. This multistep process forms the quality continuum, and it depends on clearly defined process measures, real-time quality measurement, and generalizable evaluative methods. Herein we review the current state of quality care in cirrhosis across the continuum with a focus on process measurement methodologies, developments in PRO evaluation on quality assessment, practical examples of quality improvement initiatives, and the recent emphasis placed on the value of primary prevention.

Medically tailored meals for the management of symptomatic ascites: the SALTYFOOD pilot randomized clinical trial

BACKGROUND

Ascites is a costly, morbid complication of cirrhosis. Although a low-sodium diet is central to the clinical management of ascites, its efficacy is limited by poor adherence. We aimed to determine the feasibility and impact of low-sodium medically tailored meals (MTM) intervention.

METHODS

We enrolled 40 persons with cirrhosis and ascites at the time of a paracentesis in a 12-week, 1:1 randomized trial of standard of care (SOC) (low-sodium diet educational handout) or MTM with <2,000 mg of sodium, >2,100 kcal, and >80 g of protein including a nocturnal protein supplement. We determined the proportion of eligible candidates recruited and adherence to MTM. The primary outcome was the number of paracenteses performed during weeks 0-12. We also collected ascites-specific quality-of-life (ASI-7) scores.

RESULTS

The median age of the enrolled subjects was 54 (IQR, 47-63) years, 46% were female, with median MELD-Na 18 (IQR, 11-23) and albumin 2.7 (IQR, 2.5-3.3) g/dL. At baseline, subjects reported a median of two (IQR, 1-3) paracenteses in the prior 4 weeks. Adherence to the meal schedule was excellent save for when hospitalizations occurred. After 12 weeks, patients in the MTM arm required fewer paracenteses per week than those in the SOC group [median (IQR): 0.34 (0.14-0.54) vs 0.45 (0.25-0.64)]. During the trial, four (20%) SOC patients died, whereas two (10%) died and one (5%) was transplanted in the MTM arm. Ascites-specific quality of life improved to a greater degree in the MTM arm compared to the SOC arm, by 25% (IQR, -11% to 61%) vs 13% (IQR, -28% to 54%).

CONCLUSION

A trial of MTM for persons with ascites is feasible and potentially effective. Both arms experienced benefits, highlighting the role for improved education and closer monitoring in this challenging condition.

Malnutrition in cirrhosis: More food for thought

Malnutrition is highly prevalent in liver cirrhosis and its presence carries important prognostic implications. The clinical conditions and pathophysiological mechanisms that cause malnutrition in cirrhosis are multiple and interrelated. Anorexia and liver decompensation symptoms lead to poor dietary intake; metabolic changes characterised by elevated energy expenditure, reduced glycogen storage, an accelerated starvation response and protein catabolism result in muscle and fat wasting; and, malabsorption renders the cirrhotic patient unable to fully absorb or utilise food that has been consumed. Malnutrition is therefore a considerable challenge to manage effectively, particularly as liver disease progresses. A high energy, high protein diet is recognised as standard of care, yet patients struggle to follow this recommendation and there is limited evidence to guide malnutrition interventions in cirrhosis and liver transplantation. In this review, we seek to detail the factors which contribute to poor nutritional status in liver disease, and highlight complexities far greater than "poor appetite" or "reduced oral intake" leading to malnutrition. We also discuss management strategies to optimise nutritional status in this patient group, which target the inter-related mechanisms unique to advanced liver disease. Finally, future research requirements are suggested, to develop effective treatments for one of the most common and debilitating complications afflicting cirrhotic patients.