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Circulating Hepatocyte Growth Factor Level but Not Basic Fibroblast Growth Factor Level Is Elevated in Angiography-Proven Symptomatic Peripheral Artery Disease

Cardiovascular Center, Taichung Veterans General Hospital

Wayne Huey-Herng Sheu, MD, PhD

Departments of Education and Research, Taichung Veterans General Hospital, Department of Medicine, Chung Shan Medical University, Taichung

Wen-Jane Lee, PhD

Departments of Education and Research, Taichung Veterans General Hospital, wllee{at}vghtc.gov.tw

Ying-Tsung Chen, MD

Department of Medicine, Chung Shan Medical University, Taichung, Medicine, Taichung Veterans General Hospital

Tsun-Jui Liu, MD

Cardiovascular Center, Taichung Veterans General Hospital, Institute of Clinical Medicine, National Yang Ming University School of Medicine, Taipei, Taiwan

Chih-Tai Ting, MD, PhD

Cardiovascular Center, Taichung Veterans General Hospital, Department of Medicine, National Yang Ming University School of Medicine, Taipei, Taiwan

Wen-Lieng Lee, MD, PhD

Cardiovascular Center, Taichung Veterans General Hospital, Department of Medicine, National Yang Ming University School of Medicine, Taipei, Taiwan

Circulating vasogenic factors may be up-regulated in response to ischemia to promote angiogenesis in patients with peripheral artery disease (PAD). Studies on this are limited in number and size, and results are inconsistent, especially regarding basic fibroblast growth factor (bFGF) level. From March 1999 to April 2004, all consecutive patients with lower limb PAD having serum samples at the time of intervention were recruited. The diameter of the primary PAD lesion had to be at least 70% stenotic at the lower limb artery. Control subjects, who underwent angiography, were free of PAD, coronary disease, and other major medical diseases. Serum samples were analyzed for circulating hepatocyte growth factor (HGF) and bFGF levels. Patients with PAD (n = 60) had higher circulating HGF levels (mean ± SEM, 1544 ± 238 vs 970 ± 129 pg/mL; P = .04) but similar bFGF distribution tertiles (P = .55) compared with control subjects (n = 30). Thirty-six patients with summed PAD lesion lengths exceeding 5 cm demonstrated a significantly higher circulating HGF level compared with control subjects (mean ± SEM, 1701 ± 335 vs 970 ± 129 pg/mL; P = .048). Patients with concurrent coronary artery disease tend to have a higher circulating HGF level (mean ± SEM, 1606 ± 365 vs 970 ± 129 pg/mL; P = .06) but not a higher bFGF level compared with control subjects. Circulating HGF level, but not bFGF level, is significantly elevated in patients with symptomatic angiographically documented PAD, especially in those with more extensive involvement.

Angiology, Vol. 58, No. 4, 420-428 (2007)
DOI: 10.1177/0003319706294556


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