Beneficial effect of rotational atherectomy with low platform speed on late outcomes

Tadayuki Uetani, Hideki Ishii, Shin Ichi Sakai, Junji Watanabe, Masaaki Kanashiro, Satoshi Ichimiya, Toyoaki Murohara, Tatsuaki Matsubara

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Background: Modification of rotational atherectomy (RA) procedures might be expected to alter restenosis rates. Methods and results: From June 1998 (period 2), platform speed was decreased to 150,000-160,000 rpm from the 170,000-190,000 rpm performed from August 1997 to May 1998 (period 1). Patients for the two periods (period 1: 62 patients, 70 lesions; period 2: 85 patients, 91 lesions) demonstrated comparable clinical and angiographic baseline data, allowing immediate and late outcomes to be evaluated for comparison. Restenosis rates in periods 1 and 2 were 57.9% and 33.8%, respectively (P = 0.01). Platform speed and lesion length were independent predictors of restenosis by multivariate logistic regression analysis. Conclusions: RA with a low platform speed (150,000-160,000 rpm) can be performed with a high success rate and with a lower incidence of restenosis than with a high platform speed (170,000-190, 000 rpm).

Original languageEnglish
Pages (from-to)35-40
Number of pages6
JournalInternational Journal of Cardiology
Issue number1
Publication statusPublished - 03-2004

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine


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