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Patients in the two groups were infused with lactated Ringer\u2019s solution (LRS, <jats:italic>n<\/jats:italic>\u2009=\u200938) and the bicarbonate Ringer\u2019s solution (BRS, <jats:italic>n<\/jats:italic>\u2009=\u200938) at a rate of 5\u00a0ml\u00b7kg<jats:sup>\u20131<\/jats:sup>\u00b7h<jats:sup>\u20131<\/jats:sup>. The stroke volume was monitored and 200\u00a0ml of hydroxyethyl starch with 130\/0.4 sodium chloride injection (Hes) of a bolus was given in the first 5\u201310\u00a0min. The main outcome was to test lactic acid (LAC) concentration before and after surgery. The concentrations of LAC in the LRS group were higher than in the BRS group at 2\u00a0h after operation began, at the end of the operation and 2\u00a0h after the operation. Overall, the parameters including pH, base excess (BE), HCO<jats:sub>3<\/jats:sub><jats:sup>\u2212<\/jats:sup>, aspartate transaminase (AST) and alanine transaminase (ALT) were improved. The values of bilirubin in the LRS group were higher and albumin were lower than in the BRS group at post-operation 1st and 2nd day (<jats:italic>P<\/jats:italic>&lt;0.05). The time of prothrombin time (PT) and activated partial thromboplastin time (APTT) in the LRS group were longer than that in the BRS group at post-operation 1st and 2nd day (<jats:italic>P<\/jats:italic>&lt;0.05). Likewise, the concentrations of Mg<jats:sup>2+<\/jats:sup>, Na<jats:sup>+<\/jats:sup> and K<jats:sup>+<\/jats:sup> also varied significantly. The length of hospital was reduced, and the incidence of premature ventricular contractions (<jats:italic>P<\/jats:italic>\u2009=\u20090.042) and total complications (<jats:italic>P<\/jats:italic>\u2009=\u20090.016) were lower in group BRS.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Trial registration<\/jats:title>\n                <jats:p>The study was registered at clinicalTrials.gov with the number ChiCTR2000038077 on 09\/09\/2020.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12871-024-02529-2","type":"journal-article","created":{"date-parts":[[2024,4,22]],"date-time":"2024-04-22T06:02:03Z","timestamp":1713765723000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Comparison of bicarbonate Ringer\u2019s solution with lactated Ringer\u2019s solution among postoperative outcomes in patients with laparoscopic right hemihepatectomy: a single-centre randomised controlled trial"],"prefix":"10.1186","volume":"24","author":[{"given":"Jie","family":"Song","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yingying","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yun","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoci","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muchun","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaofeng","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xianwen","family":"Hu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,4,22]]},"reference":[{"issue":"12","key":"2529_CR1","doi-asserted-by":"publisher","first-page":"3180","DOI":"10.1007\/s00268-017-4118-0","volume":"41","author":"M Lemke","year":"2017","unstructured":"Lemke M, et al. 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