133: Comparisons of Prostate Cancer Mortality Rates with Changes in Dietary Practices in the United States from 1930 to 2000

Colli, Janet; Colli, Albert

doi:10.1016/s0022-5347(18)32400-5

Cited by 2 publications

(3 citation statements)

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“…[1][2][3] Our group and others have reported that obesity is associated with increased risk of biochemical failure after treatment with radical prostatectomy 4,5 or external beam radiation 6 for localized disease. Since the prevalence of obesity in U.S. adults has reached epidemic proportions, furthering our understanding of the relationship between obesity-related risk and PCa outcome has become an increasingly important public health issue.…”

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confidence: 98%

“…The epidemiological associations between high-fat diets and obesity, [7][8][9] and higher fat consumption with increased PCa risk and mortality 1,[10][11][12] have been well documented. It has been suggested that some types of fat (i.e., monounsaturated) may actually protect against PCa, [13][14][15] whereas saturated fat consumption has been more consistently associated with PCa risk, especially advanced disease.…”

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confidence: 99%

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Saturated fat intake predicts biochemical failure after prostatectomy

Strom

Yamamura

Forman

et al. 2008

Intl Journal of Cancer

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Previous reports show that obesity predicts biochemical failure after treatment for localized prostate cancer. Since obesity is associated with increased fat consumption, we investigated the role that dietary fat intake plays in modulating obesity-related risk of biochemical failure. We evaluated the association between saturated fat intake and biochemical failure among 390 men from a previously described prostatectomy cohort. Participants completed a food frequency questionnaire collecting nutrient information for the year prior to diagnosis. Because fat and energy intake are highly correlated, the residual method was used to adjust fat (total and saturated) intakes for energy. Biochemical-failure-free-survival rates were calculated using the Kaplan-Meier method. Crude and adjusted effects were estimated using Cox proportional hazards models. During a mean follow-up of 70.6 months, 78 men experienced biochemical failure. Men who consumed highsaturated fat (HSF) diets were more likely to experience biochemical failure (p 5 0.006) and had significantly shorter biochemicalfailure-free-survival than men with low saturated fat (LSF) diets (26.6 vs. 44.7 months, respectively, p 5 0.002). After adjusting for obesity and clinical variables, HSF-diet patients were almost twice as likely to experience biochemical failure (hazard ratio 5 1.95, p 5 0.008) compared to LSF diet patients. Men who were both obese and consumed HSF diets had the shortest biochemicalfailure-free-survival (19 months), and nonobese men who consumed LSF diets had the longest biochemical-failure-free-survival (46 months, p < 0.001). Understanding the interplay between modifiable factors, such as diet and obesity, and disease characteristics may lead to the development of behavioral and/or targeted interventions for patients at increased risk of progression.

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confidence: 98%

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confidence: 99%

Saturated fat intake predicts biochemical failure after prostatectomy

Strom

Yamamura

Forman

et al. 2008

Intl Journal of Cancer

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“…The age-adjusted PCa incidence in Asia is around 5-20/100,000 population, which is much lower in compari-son with data from North America and Europe, namely around 110-180/100,000 population [5][6][7][8] . Despite the low incidence of PCa among Asian males, the incidence and mortality of PCa have been increasing rapidly for the past 20 years [7] .…”

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confidence: 99%

Comparison of 6- and 12-Core Prostate Biopsy in Taiwanese Men: Impact of Total Prostate-Specific Antigen, Prostate-Specific Antigen Density and Prostate Volume on Prostate Cancer Detection

Chiang

Chang

et al. 2009

Urol Int

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Introduction: We retrospectively compared 6- and 12-core prostate biopsies in Taiwanese men and evaluated the impact of prostate volume (PV), prostate-specific antigen (PSA), and PSA density (PSAD) on the prostate cancer detection rate (PCDR). Patients and Methods: 1,086 consecutive patients with a total PSA of 4.1–20.0 ng/ml and/or abnormal digital rectal examination undergoing first-time transrectal ultrasound-guided biopsy were included. Group I patients (n = 562) underwent sextant biopsy and group II patients (n = 524) underwent sextant biopsy with an extra three lateral cores on both sides. The patients were further stratified into subgroups according to PV (cut-off: 35 ml), PSA (cut-off: 10.0 ng/ml), and PSAD (cut-off: 0.2). Results: Prostate cancer was diagnosed in 228/1,086 (21.0%) patients. The PCDR was higher in group II (23.7%) than group I (18.5%). 12-Core biopsy yielded a significantly higher PCDR than 6-core biopsies in patients with PV >35 ml, PSA 4.1–10.0 ng/ml, PSAD ≤0.20, but not in patients with PV ≤35 ml, PSA 10.1–20.0 ng/ml, PSAD >0.20. Conclusions: 12-Core biopsy yielded a significantly higher PCDR in Taiwanese men with a total PSA of 4.1–20.0 ng/ml, especially in patients with PSA 4.1–10.0 ng/ml, PSAD ≤0.20, and PV >35 ml.

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133: Comparisons of Prostate Cancer Mortality Rates with Changes in Dietary Practices in the United States from 1930 to 2000

Cited by 2 publications

References 0 publications

Saturated fat intake predicts biochemical failure after prostatectomy

Saturated fat intake predicts biochemical failure after prostatectomy

Comparison of 6- and 12-Core Prostate Biopsy in Taiwanese Men: Impact of Total Prostate-Specific Antigen, Prostate-Specific Antigen Density and Prostate Volume on Prostate Cancer Detection

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