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  • Title: Myocardial protection in donor heart preservation: a comparison between Bretschneider's histidine-tryptophan-ketoglutarate solution and cold blood cardioplegia.
    Author: Sung SY, Lin CY, Song JY, Tsai YT, Kao CH, Lee CY, Lin YC, Hsu PS, Tsai CS.
    Journal: Transplant Proc; 2014 May; 46(4):1077-81. PubMed ID: 24815133.
    Abstract:
    BACKGROUND: Optimal myocardial protection for donated hearts is crucial to improve outcomes of heart transplantation and reduce morbidity and mortality. This study aimed to compare the efficacy of myocardial protection using single dose of Bretschneider's histidine-tryptophan-ketoglutarate (HTK) solution and repeated doses of cold blood cardioplegia (CBC) in donor heart preservation. METHODS: Sixty-seven patients undergoing heart transplantation in Tri-Service General Hospital, Taipei, Taiwan between 2002 and 2012 were enrolled in this study. Patients were divided into an HTK group and a CBC group based on the preservation solution used to protect the donated hearts. The perioperative variables and postoperative outcomes were retrospectively reviewed. RESULTS: There were no statistic differences about demographic data in donors and recipients between the 2 groups. There were no significant differences in postoperative cardiac enzymes, hemodynamic data, length of stay in intensive care, or 30-day mortality between the groups. The HTK group showed a trend of shorter pumping time (P = .091). Multivariate analyses reveal that the HTK group had higher postoperative inotropic score (P < .001) and shorter pumping time (P = .02). CONCLUSIONS: Single dose of Bretschneider's HTK solution could effectively reduce pumping time and afford similar myocardial protection compared with repeated doses of CBC in the preservation of donated hearts.
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