BJU international · 2011
The impact of hypertriglyceridemia on prostate cancer development in patients aged ≥60 years.
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Hayashi Norihiro, Matsushima Masato, Yamamoto Toshihiro, Sasaki Hiroshi, Takahashi Hiroyuki, Egawa Shin
Аннотация
OBJECTIVE: • To investigate the relationship between serum triglyceride (TG) levels and the incidence and characteristics of prostate cancer detected on biopsy.
PATIENTS AND METHODS: • We evaluated data from consecutive patients who underwent prostatic biopsy. Data analysed included age, total serum prostate-specific antigen (PSA) level, prostatic volume, body mass index (BMI), TG levels, and cholesterol-lowering medications.
RESULTS: • We analysed data from 905 patients, including 528 (58.3%) with positive biopsy findings. • Using 150 mg/dL as the threshold point of TG levels, multivariate analysis yielded an adjusted odds ratio (OR) reflecting the association of higher TG levels with prostate cancer diagnosis of 1.66 (95% confidence interval (CI) 1.21-2.29, P = 0.002). • Pearson correlation coefficient analysis including age, PSA level, prostatic volume, BMI and TG, showed TG level significantly correlated with BMI (r = 0.185, P < 0.001). • In the analysis by age intervals (≤59, 60-69, and ≥70 years), the association between high TG levels and positive biopsy findings was enhanced in the age groups 60-69 and ≥70 years (OR 2.10, 95% CI 1.31-3.37, P = 0.002 and OR 1.91, 95% CI 1.03-3.53, P = 0.039, respectively), but not in the group aged ≤59 years. • In patients aged ≥60 years, high TG levels were statistically significantly associated with a Gleason score of ≥8.
CONCLUSIONS: • High TG levels correlated well with a higher incidence of prostate cancer, especially in patients aged ≥60 years. • High TG levels were also associated with a Gleason score of ≥8 in this age group. • Our results suggest that elderly patients with high TG levels may be more vulnerable to the development of prostate cancer with an aggressive biology.
PATIENTS AND METHODS: • We evaluated data from consecutive patients who underwent prostatic biopsy. Data analysed included age, total serum prostate-specific antigen (PSA) level, prostatic volume, body mass index (BMI), TG levels, and cholesterol-lowering medications.
RESULTS: • We analysed data from 905 patients, including 528 (58.3%) with positive biopsy findings. • Using 150 mg/dL as the threshold point of TG levels, multivariate analysis yielded an adjusted odds ratio (OR) reflecting the association of higher TG levels with prostate cancer diagnosis of 1.66 (95% confidence interval (CI) 1.21-2.29, P = 0.002). • Pearson correlation coefficient analysis including age, PSA level, prostatic volume, BMI and TG, showed TG level significantly correlated with BMI (r = 0.185, P < 0.001). • In the analysis by age intervals (≤59, 60-69, and ≥70 years), the association between high TG levels and positive biopsy findings was enhanced in the age groups 60-69 and ≥70 years (OR 2.10, 95% CI 1.31-3.37, P = 0.002 and OR 1.91, 95% CI 1.03-3.53, P = 0.039, respectively), but not in the group aged ≤59 years. • In patients aged ≥60 years, high TG levels were statistically significantly associated with a Gleason score of ≥8.
CONCLUSIONS: • High TG levels correlated well with a higher incidence of prostate cancer, especially in patients aged ≥60 years. • High TG levels were also associated with a Gleason score of ≥8 in this age group. • Our results suggest that elderly patients with high TG levels may be more vulnerable to the development of prostate cancer with an aggressive biology.