Objective To investigate the influence of sodium bicarbonate Ringer's solution and compound Ringer's solution on patients'acid-base balance and liver and kidney function during controlled low central venous pressure(CLCVP)hepatectomy.Methods A total of 60 patients with primary liver cancer who underwent CLCVP hepatectomy in the Affiliated Cancer Hospital of Zhengzhou University from June 2020 to June 2022 were selected and randomly divided into the sodium bicarbonate Ringer's solution group and compound Ringer's solution group,with 30 patients in each group.Patients in the sodium bicarbonate Ringer's solution group were infused with sodium bicarbonate Ringer's solution,while patients in the compound Ringer's solution group were infused with compound Ringer's solution after anesthesia induction and before liver parenchymal disconnection.The pH value,base excess(BE)and blood lactic acid(Lac)levels were detected using the blood gas analyzer in the two groups before anesthesia induction(T,),at the beginning of surgery(T2),2 h during surgery(T3),4 h during surgery(T4),and at the end of surgery(T5),respectively.The levels of serum alanine aminotransferase(ALT),aspartate aminotransferase(AST),blood urea nitrogen(BUN),and serum creatinine(Scr)were detected using the automatic biochemical analyzer 24 h before and 24 h after surgery,respectively.The body mass,surgical time,intraoperative infusion volume,urine volume,changes in body acid-base balance during surgery,and changes in liver and kidney function before and after surgery between the two groups were compared.Results There was no statistically significant difference in body mass,surgical time,intraoperative infusion volume,and urine volume between the two groups of patients(P＞0.05).At T,,there was no statistically significant difference in pH value,BE and Lac levels between the two groups of patients(P＞0.05).Compared to T,,the pH value in the compound Ringer's solution group increased at T2 and decreased at T3,T4 and T5,while BE and Lac levels from T2 to T5 showed an increasing trend(P＜0.05);compared to T,,the pH value in the sodium bicarbonate Ringer's solution group increased at T2 and decreased at T3,BE and Lac levels increased at T2 and T3(P＜0.05),and there was no statistically significant difference in pH value,BE and Lac levels at T4 and T5 compared to T1(P＞0.05).At T5,the pH value in the sodium bicarbonate Ringer's solution group was significantly higher than that in the compound Ringer's solution group,while the BE and Lac levels were significantly lower than those in the compound Ringer's solution group(P＜0.05).There was no statisti-cally significant difference in the levels of ALT,AST,BUN and Scr 24 hours before surgery between the two groups of patients(P＞0.05);compared to 24 hours before surgery,there was no significant change in the levels of ALT,AST,BUN and Scr 24 hours after surgery(P＞0.05);there was no statistically significant difference in the levels of ALT,AST,BUN and Scr 24 hours after surgery between the two groups(P＞0.05).Conclusion Compared to compound Ringer's solution,sodium bicarbonate Ringer's solution has a smaller impact on the internal environment of the body during the CLCVP hepatectomy and can effectively maintain the stability of the body's acid-base balance.Both the two solutions have no significant impact on the patient's liver and kidney function.
controlled low central venous pressure hepatectomyprimary liver cancersodium bicarbonate Ringer's solutioncompound Ringer's solutionacid-base balanceliver and kidney function
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