Risk factors associated with elevated serum pancreatic amylase levels during hemodialysis

Yen Hsu Chen, Wu Chang Yang, Feng Ming Wang, Der Cherng Tarng, Jinn Yang Chen, Yee Yung Ng, Tsai Hun Wu, Yao Ping Lin, Chih Ching Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Elevated levels of serum pancreatic enzymes are frequently observed in hemodialysis (HD) patients. The complex hemodynamic, biochemical, and physiological alterations in uremia were speculated to cause excessive release of pancreatic enzymes beyond decreased renal clearance. However, hemodynamic factors are seldom explored in this aspect. We performed the study to evaluate the association between intradialytic hemodynamic change and elevated serum pancreatic amylase (SPA). Eighty-three prevalent HD patients without any clinical evidence of acute pancreatitis underwent pre-HD and post-HD blood sampling for serum pancreatic enzyme levels. Demographic, biochemical, and hematological data were collected from patient record review. Hemodialysis information including intradialytic blood pressure changes and ultrafiltration (UF) amount were collected and averaged for 1 month before the blood sampling day. Patients with elevated SPA during the HD session had greater mean systolic blood pressure and mean arterial pressure reduction, greater UF volume, greater pre-HD blood urea nitrogen and serum creatinine, higher serum phosphorus, lower pre-HD serum total CO2, and lower left ventricle ejection fraction (LVEF). Using multivariate linear and logistic regression analysis, the independent predictors of elevated SPA were determined to be mean arterial pressure reduction during HD, mean UF amount, pre-HD serum total CO2, and LVEF. Greater blood pressure reduction during HD, greater UF volume, lower pre-HD serum total CO2, and lower LVEF were significantly associated with elevated SPA during HD. This suggests that hemodynamic factors contribute to elevated serum pancreatic enzymes in HD patients.

Original languageEnglish
Pages (from-to)79-86
Number of pages8
JournalHemodialysis International
Volume15
Issue number1
DOIs
StatePublished - Jan 2011

Keywords

  • Blood pressure
  • Hemodialysis
  • Left ventricle ejection fraction
  • Serum pancreatic amylase
  • Serum total CO
  • Ultrafiltration amount

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