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Fruit and Vegetable Intake in Relation to Lower Urinary Tract Symptoms and Erectile Dysfunction Among Southern Chinese Elderly Men: A 4-Year Prospective Study of Mr OS Hong Kong.

Abstract

The role of fruit and vegetable (FV) intake in relation to prostate health remains inconclusive. This 4-year longitudinal study aims to explore the association of FV intake and the development of lower urinary tract symptoms (LUTS, a cluster of chronic urinary symptoms occurring in bladder, prostate and urethra), incidence of symptomatic benign prostatic hyperplasia (BPH) and erectile dysfunction (ED) in Chinese elderly men. Data were obtained from a 4 years longitudinal study (Mr OS Hong Kong, the largest prospective study on bone health in Chinese elderly). Two thousand Chinese men aged 65 years and older were recruited from the local community, of whom 1998 (99.9%) at baseline and 1564 (78.2%) at 4-year follow-up reported data on LUTS, which were evaluated by a validated International Prostate Symptoms Scale (IPSS). Erectile function was evaluated by the International Index of Erectile Dysfunction-5 (IIEF-5) questionnaires at 2- (n = 386) and 4-year (n = 475) follow-ups. Dietary intake was assessed using a validated food frequency questionnaire at baseline. Analysis was conducted using multivariate linear and logistic regression. For total FV and most of their subclasses, moderate consumption had the lowest mean changes of LUTS; we thus applied the moderate levels as the reference in the regression models. The high levels of total FV intake (>350  g/1000  kcal/day) were significantly associated with reduced IPSS by scores of -1.174 ± 0.459 (or -17.3% of basal IPSS, P = 0.011) relative to the moderate groups (250-350  g/1000  kcal/day). FV consumption had no significant association with the score change of ED or the odds of sexual activities at 4-year (all P > 0.05). High intake of dark and leafy vegetables (>50  g/1000  kcal/day) significantly reduced the risk of LUTS progression by 37.2% [odds ratio (OR) (95% confidence interval, 95% CI): 0.628 (0.466∼0.848), P = 0.002] or risk of symptomatic BPH by 34.3% [OR (95% CI): 0.657 (0.442-0.976), P = 0.038] after 4 years compared with the moderate group (25-50  g/1000  kcal/day). Adequate FV intakes, especially dark and leafy vegetables, were associated with improved LUTS among Chinese elderly men, but lack an association with ED and sexuality.

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  • Authors+Show Affiliations

    ,

    From the Division of Family Medicine and Primary Care, Jockey Club School of Public Health and Primary Care, the Chinese University of Hong Kong, Shatin, Hong Kong SAR (Z-ML, CKMW, DC, BY, SY-SW); and Division of Occupational and Environmental Health, Jockey Club School of Public Health and Primary Care, the Chinese University of Hong Kong, Shatin, Hong Kong SAR (LAT).

    , , , ,

    Source

    Medicine 95:4 2016 Jan pg e2557

    MeSH

    Aged
    Diet
    Diet Surveys
    Disease Progression
    Erectile Dysfunction
    Fruit
    Hong Kong
    Humans
    Incidence
    Longitudinal Studies
    Lower Urinary Tract Symptoms
    Male
    Prospective Studies
    Prostatic Hyperplasia
    Protective Factors
    Severity of Illness Index
    Vegetables

    Pub Type(s)

    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    26825896

    Citation

    Liu, Zhao-min, et al. "Fruit and Vegetable Intake in Relation to Lower Urinary Tract Symptoms and Erectile Dysfunction Among Southern Chinese Elderly Men: a 4-Year Prospective Study of Mr OS Hong Kong." Medicine, vol. 95, no. 4, 2016, pp. e2557.
    Liu ZM, Wong CK, Chan D, et al. Fruit and Vegetable Intake in Relation to Lower Urinary Tract Symptoms and Erectile Dysfunction Among Southern Chinese Elderly Men: A 4-Year Prospective Study of Mr OS Hong Kong. Medicine (Baltimore). 2016;95(4):e2557.
    Liu, Z. M., Wong, C. K., Chan, D., Tse, L. A., Yip, B., & Wong, S. Y. (2016). Fruit and Vegetable Intake in Relation to Lower Urinary Tract Symptoms and Erectile Dysfunction Among Southern Chinese Elderly Men: A 4-Year Prospective Study of Mr OS Hong Kong. Medicine, 95(4), pp. e2557. doi:10.1097/MD.0000000000002557.
    Liu ZM, et al. Fruit and Vegetable Intake in Relation to Lower Urinary Tract Symptoms and Erectile Dysfunction Among Southern Chinese Elderly Men: a 4-Year Prospective Study of Mr OS Hong Kong. Medicine (Baltimore). 2016;95(4):e2557. PubMed PMID: 26825896.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Fruit and Vegetable Intake in Relation to Lower Urinary Tract Symptoms and Erectile Dysfunction Among Southern Chinese Elderly Men: A 4-Year Prospective Study of Mr OS Hong Kong. AU - Liu,Zhao-min, AU - Wong,Carmen Ka Man, AU - Chan,Dicken, AU - Tse,Lap Ah, AU - Yip,Benjamin, AU - Wong,Samuel Yeung-Shan, PY - 2016/1/31/entrez PY - 2016/1/31/pubmed PY - 2016/6/2/medline SP - e2557 EP - e2557 JF - Medicine JO - Medicine (Baltimore) VL - 95 IS - 4 N2 - The role of fruit and vegetable (FV) intake in relation to prostate health remains inconclusive. This 4-year longitudinal study aims to explore the association of FV intake and the development of lower urinary tract symptoms (LUTS, a cluster of chronic urinary symptoms occurring in bladder, prostate and urethra), incidence of symptomatic benign prostatic hyperplasia (BPH) and erectile dysfunction (ED) in Chinese elderly men. Data were obtained from a 4 years longitudinal study (Mr OS Hong Kong, the largest prospective study on bone health in Chinese elderly). Two thousand Chinese men aged 65 years and older were recruited from the local community, of whom 1998 (99.9%) at baseline and 1564 (78.2%) at 4-year follow-up reported data on LUTS, which were evaluated by a validated International Prostate Symptoms Scale (IPSS). Erectile function was evaluated by the International Index of Erectile Dysfunction-5 (IIEF-5) questionnaires at 2- (n = 386) and 4-year (n = 475) follow-ups. Dietary intake was assessed using a validated food frequency questionnaire at baseline. Analysis was conducted using multivariate linear and logistic regression. For total FV and most of their subclasses, moderate consumption had the lowest mean changes of LUTS; we thus applied the moderate levels as the reference in the regression models. The high levels of total FV intake (>350  g/1000  kcal/day) were significantly associated with reduced IPSS by scores of -1.174 ± 0.459 (or -17.3% of basal IPSS, P = 0.011) relative to the moderate groups (250-350  g/1000  kcal/day). FV consumption had no significant association with the score change of ED or the odds of sexual activities at 4-year (all P > 0.05). High intake of dark and leafy vegetables (>50  g/1000  kcal/day) significantly reduced the risk of LUTS progression by 37.2% [odds ratio (OR) (95% confidence interval, 95% CI): 0.628 (0.466∼0.848), P = 0.002] or risk of symptomatic BPH by 34.3% [OR (95% CI): 0.657 (0.442-0.976), P = 0.038] after 4 years compared with the moderate group (25-50  g/1000  kcal/day). Adequate FV intakes, especially dark and leafy vegetables, were associated with improved LUTS among Chinese elderly men, but lack an association with ED and sexuality. SN - 1536-5964 UR - https://www.unboundmedicine.com/medline/citation/26825896/Fruit_and_Vegetable_Intake_in_Relation_to_Lower_Urinary_Tract_Symptoms_and_Erectile_Dysfunction_Among_Southern_Chinese_Elderly_Men:_A_4_Year_Prospective_Study_of_Mr_OS_Hong_Kong_ L2 - http://Insights.ovid.com/pubmed?pmid=26825896 DB - PRIME DP - Unbound Medicine ER -