PERBEDAAN KADAR BILIRUBIN TOTAL SERUM LIPEMIK SEBELUM DAN SESUDAH PENAMBAHAN POLYETHYLENE GLYCOL

Abstract

Lipemic serum is characterized by its turbid appearance, resulting from elevated concentrations of lipoproteins, particularly chylomicrons and very low-density lipoproteins (VLDL). This turbidity can interfere with the accuracy of total bilirubin measurements, leading to potentially inaccurate results. To mitigate this issue, polyethylene glycol (PEG) is often used as a clarifying agent. This study aims to evaluate the differences in total bilirubin levels in lipemic serum before and after
the addition of 10% polyethylene glycol 6000. This quasi-experimental research uses a one group pretest-posttest design. conducted in May 2024 at the Clinical Chemistry Laboratory, Department of Medical Laboratory Technology, Bandung Health Polytechnic. A total of 30 serum samples from hospitals in Bandung were combined to make pooled sera, then modified to be lipemic using egg yolk until the triglyceride level reached 991.5; 1002.8; and 1067.8 mg/dL.Total bilirubin levels
were measured both before and after the addition of polyethylene glycol, with initial levels recorded at 1.62, 2.64, and 3.58 mg/dL, and post-PEG levels at 2.40, 3.30, and 4.35 mg/dL. Statistical analysis using a paired sample t-test revealed a significance level of 0.000 (p < 0.05), indicating a significant difference in total bilirubin levels before and after the application of polyethylene glycol in lipemic serum.