Serum lipids and restenosis after successful percutaneous transluminal coronary angioplasty

Arie Roth, Yemima Eshchar, Gad Keren, David Sheps, Shimon Kerbel, Shlomo Laniado, Hylton I. Miller, Ardon Rubinstein

Research output: Contribution to journalArticlepeer-review


The effects of plasma lipids on the clinical and angiographic parameters of 134 patients, in whom coronary angioplasty was performed in 157 vessels, were prospectively examined. During a 6-month follow-up, restenosis was detected angiographically in 39 patients (29%; 45 vessels). None of the clinical, biochemical, or angiographic variables examined was predictive of stenosis and the tendency of a vessel to restenose was not patient-dependent but rather lesion-related. However, restenosis developed in 31 of 102 vessels (30%) in patients with high-density lipoprotein (HDL) cholesterol ≤ 40 mg/dl, compared with restenosis in 10 of 55 vessels (19%) in patients with HDL cholesterol >40 mg/dl (p = 0.092). No significant differences were observed when restenosis rates were compared in patients with total cholesterol levels >250 mg/dl or < 250 mg/dl; no differences were seen in low-density lipoprotein (LDL) cholesterol levels when comparing patients with >160 mg/dl and < 160 mg/dl. In 117 patients (132 vessels), complete serial blood specimens were obtained until the concluding angiography at 6 months. During follow-up, both groups (those with and without restenosis) had almost similar findings. Triglycerides decreased equally in both groups, and total cholesterol increased mildly in those who had restenosis; HDL and LDL cholesterol levels increased significantly in each group. No significant differences were observed with respect to extent of these changes between the groups. Thus, although lipid levels at the time of angioplasty and at 6 months follow-up were not found to predict the occurrence of restenosis, the association of low high-density lipoprotein levels and the tendency for restenosis should not be overlooked.

Original languageEnglish
Pages (from-to)1154-1158
Number of pages5
JournalAmerican Journal of Cardiology
Issue number16
StatePublished - 15 Jun 1994


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