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Metabolic syndrome, inflammation and lower urinary tract symptoms: possible translational links

Abstract

Background:

Epidemiological data suggest that lower urinary tract symptoms (LUTSs) may be associated with metabolic syndrome (MetS). Inflammation has been proposed as a candidate mechanism at the crossroad between these two clinical entities. The aim of this review article is to evaluate the role of MetS-induced inflammation in the pathogenesis and progression of LUTS.

Methods:

A systematic review was conducted using the keywords ‘metabolic syndrome and lower urinary tract symptoms’ within the title search engines including PubMed, Web of Science and the Cochrane Library for relevant research work published between 2000 and January 2015. The obtained literature was reviewed by the primary author (QH) and was assessed for eligibility and standard level of evidence.

Results:

Total of 52 articles met the eligibility criteria. On the basis of database search during the past 15 years and our systematic review of prospective and retrospective cohorts, case–control trials, observational studies and animal data identified a possible link between MetS-induced inflammation and LUTS including BPH, bladder outlet obstruction, overactive bladder, urinary incontinence and other possible urinary tract abnormalities.

Conclusions:

There is convincing evidence to suggest that MetS and inflammation could be important contributors to LUTS in men, particularly in the development of BPH. However, the role of MetS-induced inflammation remains unclear in overactive bladder, urinary incontinence and etiology of LUTS progression.

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Acknowledgements

We apologize to those investigators whose original work could not be cited owing to the space limitation. The original work cited in this review was supported by grants from United States Public Health Services P20DK090871 and 201306180078 from China Scholarship Council.

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He, Q., Wang, Z., Liu, G. et al. Metabolic syndrome, inflammation and lower urinary tract symptoms: possible translational links. Prostate Cancer Prostatic Dis 19, 7–13 (2016). https://doi.org/10.1038/pcan.2015.43

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