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Pravastatin reduces restenosis after coronary angioplasty of high grade stenotic lesions: Results of SHIPS (SHIga Pravastatin Study)

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Summary

We conducted a multicenter prospective, randomized, double-blind, placebo-controlled trial to test whether pravastatin, a hydroxymethyl glutaryl coenzyme A reductase inhibitor, can decrease restenosis after percutaneous transluminal coronary angioplasty (PTCA). Pravastatin 10 mg twice daily was begun at least 10 days prior to elective PTCA in patients with total cholesterol less than 280 mg/dl. The end-point was a between-group comparison of the frequency of restenosis defined as a more than 50% loss of the initial gain in diameter stenosis at the PTCA site at 3 months during follow-up by automated quantitative coronary arteriography. Of 207 patients randomly assigned to study groups, 139 patients underwent PTCA; 133 procedures were successful, and 124 patients underwent follow-up angiography at 3 months, and 179 lesions (85 pravastatin, 94 placebo) in 124 patients (62 pravastatin, 62 placebo) were analyzed. The two groups were comparable for baseline characteristics. Total cholesterol decreased by 19.6% in the pravastatin group (p<0.001) but not in the placebo group. Although the restenosis rate was not different in the two groups (29.4% in pravastatin vs. 39.4% in placebo, p=0.215) as a whole, it was reduced to about one fifth (8.8%) in the pravastatin group compared with 14.8% in the placebo group (p=0.0011) when the comparison was restricted to high grade lesions (≥75% diameter stenosis, 34 lesions in pravastatin, 29 lesions in placebo). Pravastatin thus reduces restenosis after PTCA of high grade lesions.

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Authors and Affiliations

  1. Shiga University of Medical Science, Seta, Otsu, Japan

    Yasuyuki Nakamura, Osamu Yamaoka, Kazunori Uchida, Naoki Morigami, Yoshihisa Sugimoto, Tamotsu Fujita, Teruro Inoue, Toshikazu Fuchi, Masataka Hachisuka, Hirotsugu Ueshima, Harumi Shimakawa & Masahiko Kinoshita

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  1. Yasuyuki Nakamura
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  2. Osamu Yamaoka
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  3. Kazunori Uchida
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  4. Naoki Morigami
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  5. Yoshihisa Sugimoto
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  6. Tamotsu Fujita
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  7. Teruro Inoue
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  8. Toshikazu Fuchi
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  9. Masataka Hachisuka
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  10. Hirotsugu Ueshima
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  11. Harumi Shimakawa
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  12. Masahiko Kinoshita
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the SHIga Pravastatin Study (SHIPS) Group

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Nakamura, Y., Yamaoka, O., Uchida, K. et al. Pravastatin reduces restenosis after coronary angioplasty of high grade stenotic lesions: Results of SHIPS (SHIga Pravastatin Study). Cardiovasc Drug Ther 10, 475–483 (1996). https://doi.org/10.1007/BF00051114

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  • DOI: https://doi.org/10.1007/BF00051114

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