論文

国際誌
2002年3月

Pretreatment of donors with endothelin receptor antagonist TAK-044 improves cardiac functional recovery following preservation with University of Wisconsin solution.

Scandinavian cardiovascular journal : SCJ
  • Toshio Kaneda
  • ,
  • Zhi-Wei Zhang
  • ,
  • Tatsuya Ogawa
  • ,
  • Masaki Otaki
  • ,
  • Toshihiko Saga

36
2
開始ページ
105
終了ページ
7
記述言語
英語
掲載種別
研究論文(学術雑誌)

OBJECTIVE: Previous studies suggest that endothelin-1 (ET-1) plays a role in myocardial ischemia/reperfusion injury. Although administration of an endothelin receptor antagonist to the recipient has been shown to improve myocardial function after ischemia/reperfusion in a rat heart transplantation model, the effect of administering an endothelin receptor antagonist to the donor has not yet been examined. This study was designed to investigate the effects of pretreating donors with an ET(A)/ET(B) endothelin receptor antagonist (TAK-044) on myocardial function after cold preservation of a rat heart. DESIGN: Male rats were pretreated with normal saline (control group, n = 8), TAK-044 (TAK group, n = 8, 1 mg/kg). Following cardiac arrest using cardioplegia, we washed out the coronary vascular beds with cold University of Wisconsin solution followed by 6-h preservation. After preservation, the hearts were mounted on a Langendorff apparatus to estimate aortic flow (AF), coronary flow (CF), cardiac output (CO), systolic pressure (SP), heart rate (HR), and rate-pressure product (RPP: HR x SP). The concentration of lactate dehydrogenase (LDH) and creatine phosphokinase (CPK) within the coronary perfusate during reperfusion was measured. RESULTS: AF, SP, and CO were significantly greater in the TAK group than in the control group (p = 0.0045, 0.004, and 0.0295, respectively). CONCLUSION: Pretreatment of donors with a nonselective endothelin receptor antagonist (TAK-044) improved cardiac functional recovery following preservation and may be beneficial for prolonged myocardial preservation.

リンク情報
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/12028874
ID情報
  • ISSN : 1401-7431
  • PubMed ID : 12028874

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