Acute effects of isosorbide dinitrate and nicorandil on the coronary slow flow phenomenon

Kenji Sadamatsu, Hideki Tashiro, Keiki Yoshida, Tomoki Shikada, Kenso Iwamoto, Kunio Morishige, Yuya Yoshidomi, Tomotake Tokunou, Haruki Tanaka

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Background: Microvascular dysfunction has been proposed as the most likely mechanism of the coronary slow flow phenomenon (CSFP). Objective: To determine the effects of isosorbide dinitrate and nicorandil on the CSFP. Methods: Changes in thrombolysis in myocardial infarction (TIMI) frame count following the intracoronary administration of isosorbide dinitrate and nicorandil were assessed in 11 patients with the CSFP. Results: After the administration of isosorbide dinitrate, the median TIMI frame count decreased to 32 (range 20-60) [p = 0.003], which was lower than that of the control [43 (29-73)]. The count decreased further to 25 (12-34) [p = 0.041] after the administration of nicorandil. The count after the subsequent administration of contrast medium was increased to 32 (20-49) [p = 0.03]. Conclusions: These angiographic findings indicate that the intracoronary administration of nicorandil is superior to isosorbide dinitrate with regard to improving the CSFP. These findings suggest that microvascular spasm is the main factor in the pathogenesis of the CSFP.

Original languageEnglish
Pages (from-to)203-208
Number of pages6
JournalAmerican Journal of Cardiovascular Drugs
Volume10
Issue number3
DOIs
Publication statusPublished - Jun 14 2010
Externally publishedYes

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No-Reflow Phenomenon
Nicorandil
Isosorbide Dinitrate
Myocardial Infarction
Spasm
Contrast Media

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine
  • Pharmacology (medical)

Cite this

Sadamatsu, K., Tashiro, H., Yoshida, K., Shikada, T., Iwamoto, K., Morishige, K., ... Tanaka, H. (2010). Acute effects of isosorbide dinitrate and nicorandil on the coronary slow flow phenomenon. American Journal of Cardiovascular Drugs, 10(3), 203-208. https://doi.org/10.2165/11537280-000000000-00000

Acute effects of isosorbide dinitrate and nicorandil on the coronary slow flow phenomenon. / Sadamatsu, Kenji; Tashiro, Hideki; Yoshida, Keiki; Shikada, Tomoki; Iwamoto, Kenso; Morishige, Kunio; Yoshidomi, Yuya; Tokunou, Tomotake; Tanaka, Haruki.

In: American Journal of Cardiovascular Drugs, Vol. 10, No. 3, 14.06.2010, p. 203-208.

Research output: Contribution to journalArticle

Sadamatsu, K, Tashiro, H, Yoshida, K, Shikada, T, Iwamoto, K, Morishige, K, Yoshidomi, Y, Tokunou, T & Tanaka, H 2010, 'Acute effects of isosorbide dinitrate and nicorandil on the coronary slow flow phenomenon', American Journal of Cardiovascular Drugs, vol. 10, no. 3, pp. 203-208. https://doi.org/10.2165/11537280-000000000-00000
Sadamatsu, Kenji ; Tashiro, Hideki ; Yoshida, Keiki ; Shikada, Tomoki ; Iwamoto, Kenso ; Morishige, Kunio ; Yoshidomi, Yuya ; Tokunou, Tomotake ; Tanaka, Haruki. / Acute effects of isosorbide dinitrate and nicorandil on the coronary slow flow phenomenon. In: American Journal of Cardiovascular Drugs. 2010 ; Vol. 10, No. 3. pp. 203-208.
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