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Influence of cardioplegic solution on incidence of acute kidney injury after coronary artery bypass surgery procedure: del Nido cardioplegia versus Histidine-Tryptophan-Ketoglutarate solution: Insight of kidney disease improving global outcomes criteria

Perfusion. 2024 Apr 2:2676591241244983. doi: 10.1177/02676591241244983. Online ahead of print.


INTRODUCTION: We set out to investigate whether the use of Histidine-Tryptophan-Ketoglutarate (HTK) solution or del Nido cardioplegia is linked to an increased incidence of postoperative acute kidney injury (AKI) in patients undergoing coronary artery bypass surgery (CABG).

METHODS: A retrospective study was carried out at our center, with a total of 478 patients included in the analysis. Among them, 268 patients were administered the del Nido solution (DN) while 210 patients received the HTK solution. The primary focus of this study was to assess the occurrence of postoperative AKI and the need for renal replacement therapy (RRT). Multivariable logistic regression was used to examine the relationship between the type of cardioplegia used and adverse kidney outcomes. Additionally, serum levels of sodium, potassium, and ionized calcium were monitored during cardiopulmonary bypass (CPB).

RESULTS: The incidence of AKI was significantly higher in the HTK group compared to the DN group [(48/220 (21.81%) vs. 24/186 (12.90%), p = .049], although the rate of RRT did not show a statistically significant difference (9/48, 18.75% vs. 6/24, 25%, p = .538). Multivariate logistic regression analysis revealed that HTK was a significant risk factor for AKI. Furthermore, serum sodium and calcium levels were found to decrease following HTK cardioplegic infusion. Conclusion: Our study provides compelling evidence of the impact of cardioplegic solutions on postoperative AKI rates. It underscores the importance of optimizing cardiac arrest protocols. These findings warrant further prospective investigations into the influence of cardioplegic solutions on electrolyte imbalances and postoperative AKI rates.

PMID:38565217 | DOI:10.1177/02676591241244983

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