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  • Title: Clinical impact of histidine-ketoglutarate-tryptophan (HTK) cardioplegic solution on the perioperative period in open heart surgery patients.
    Author: Careaga G, Salazar D, Téllez S, Sánchez O, Borrayo G, Argüero R.
    Journal: Arch Med Res; 2001; 32(4):296-9. PubMed ID: 11440787.
    Abstract:
    BACKGROUND: Ischemia-reperfusion injury during open heart surgery related to unsuccessful myocardial protection may increase morbidity or mortality. We analyze the clinical outcome after cardiac surgery with a cardioplegic solution based on intracellular components added with histidine-ketoglutarate-tryptophan. METHODS: Thirty patients programmed for elective open heart surgery were randomized into two groups. In group I (n = 15), myocardial protection was carried out with Bretschenider solution (HTK), and in group II (n = 15) with conventional crystalloid cardioplegia. The incidence of arrhythmias, inotropic support requirement, and length-of-stay in the intensive care unit were evaluated. RESULTS: During reperfusion, there was no difference in incidence of arrhythmias; however, in the postoperative period group I had a lower incidence of arrhythmias (p = 0.001). Inotropic support (p = 0.003) and length-of-stay in the intensive care unit (p = 0.037) were lower in group I. There were no deaths in either group. CONCLUSIONS: It was concluded that myocardial protection with Bretschneider solution effectively decreases incidence of arrhythmias, inotropic support, and length-of-stay in the intensive care unit.
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