Vascular dysfunction and its recovery after transradial coronary angioplasty- A serial observational study.

Our results are in accordance to the study by Heiss et al; the FMD/GTN ratio in the BA only tended to decrease at 6 h but did not reach statistical significance during the whole study period, whereas the FMD/GTN ratio showed a significant decrease in the RA. 19 Throughout the study period the endothelial function of the non-catheterized arm remains normal, suggesting that the transradial catheterization causes only the localized endothelial dysfunction and a possibility of generalized impact of catheterization on vascular function, mediated via inflammation or oxidative stress, seems unlikely.

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