Introduction: Chronic Liver Disease is a major source of death and morbidity globally. Hyponatremia is one of the most common electrolyte abnormalities in chronic liver disease patients. Various studies have established a correlation between serum sodium levels and survival in these patients. Hyponatremia is a marker of severity in CLD patients and studies have shown its relationship with MELD score and Child Pugh score. The complications of DCLD and mortality also increases with hyponatremia. The aim of this study was to study the serum sodium levels in patients with DCLD and to establish its significance. Materials And Methods: Data was collected from 100 patients admitted in medical wards. Patients were divided into 3 groups based on serum sodium levels and the relevant parameters analyzed among the groups. OBSERVATIONS: Among 100 patients, 45 had serum sodium levels ≥136 mEq/L, while 32 had serum sodium levels between 131 and 135 mEq/L and 23 patients had serum sodium level ≤130. No patients had serum sodium levels greater than 145. Serum sodium levels were associated strongly with the severity of liver disease as assessed by Child Pugh and MELD scores. Serum sodium ≤130 indicated the existence of Hepatic Encephalopathy, Hepatorenal Syndrome and Spontaneous Bacterial Peritonitis. Patients with serum sodium less than 130 mEq/L had increased frequency of complications than those with ≥136 mEq/L. Patient with serum sodium levels ≤130 had increased mortality. Conclusion: Hyponatremia is more common in DCLD and low serum sodium levels are associated with increased frequency of complications such as hepatic encephalopathy, hepatorenal syndrome, spontaneous bacterial peritonitis and GI bleeding. Lower serum sodium levels were associated with increased MELD and Child Pugh score and mortality indicating the inverse relationship between serum sodium levels and severity of the disease.
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