AUA 2017: The Effect of Shift Work on a Man’s Sexual and Urologic Health – UroToday

Posted: May 19, 2017 at 12:43 am

Boston, MA, May 13, 2017 (UroToday.com) A series of studies evaluating the relationship between shift work,sleep disorders and a mans urologic health will be presented at a special press conferenceduring the 112th Annual Meeting of the American Urological Association (AUA). Howard L. Adler,MD, clinical associate professor of urology and medical director of the prostate care program atStony Brook Medicine, Stony Brook, NY, will moderate the session, which will take place onSaturday, May 13 at 10:30 a.m. in the Boston Convention & Exhibition Center in Boston, MA. Shift work is known for having unique demands that set it apart from other jobs with traditionaldaytime working hours. It is also known for having such benefits as better pay or theconvenience of not needing child care; however, new studies show the downside to men whoregularly work hours outside of a 7 am. 6 p.m. workday may include an increased risk ofhypogonadal or low-T symptoms, altered semen parameters (e.g., sperm count, motility) andincreased lower urinary tract symptoms (LUTS).

Study Details

Shift Workers with Shift Work Sleep Disorder Have Increased Lower Urinary Tract Symptoms(#MP13-12): Previous studies suggest non-standard male shift workers have an increased risk ofLUTS, which can include frequency or urgency of urination, reduced urine flow, painful urinationor a sensation of incomplete emptying. They also suggest these workers are at an increased riskfor developing shift work sleep disorder (SWSD), a primary circadian rhythm disorder thatdisrupts the bodys internal clock. Utilizing questionnaires from men who presented to a singleandrology clinic between July 2014 and September 2016, researchers set out to examine theassociation between SWSD and LUTS in shift workers. The study population included 2,487 men,of whom 37 percent were diagnosed with SWSD. Each participants work schedule, SWSD riskand LUTS (International Prostate Symptom Score (IPSS) were examined. The impact of nonstandardshift work and SWSD on IPSS score was also assessed using ANOVA and linearregression.

Results showed:

Shift workers diagnosed with SWSD have worse LUTS than those without SWSD. Poor sleep habits, rather than shift work itself, contribute to worse LUTS. Modifying work and sleep schedules may reduce risk for SWSD and subsequent LUTS.

Study Details

Increased Risk of Hypogonadal Symptoms in Shift Workers with Shift Work Sleep Disorder(#MP91-06): Men with hypogonadism have low testosterone levels accompanied by physicalsymptoms such as erectile dysfunction, decreased muscle mass, low sex drive and troublesleeping. In an effort to determine whether a relationship exists between non-standard shiftwork and hypogonadal symptoms, researchers examined data from nearly 2,500 men who werepatients at an andrology clinic between July 2014 and September 2016. Seven hundred sixty-sixmen worked non-standard shifts, and 282 were diagnosed with SWSD. The men completedquestionnaires about their shift work schedule, SWSD risk and hypogonadal symptoms(Androgen Deficiency in the Aging Male (qADAM) questionnaire). The impact of non-standardshift work and SWSD on responses to qADAM was then assessed utilizing ANOVA and linearregression.

Results showed:

Shift workers with SWSD have lower testosterone levels and worse hypogonadal symptoms than daytime workers. Poor sleep habits caused by SWSD may contribute to more severe hypogonadal symptoms in non-standard shift workers. SWSD was independently associated with lower testosterone levels when controlling for age, comorbidities and history of testosterone supplementation.

Study Details

Shift Work is Associated with Altered Semen Parameters in Infertile Men (#: PD13-08):Recognizing shift work negatively impacts circadian rhythms and the hypothalamic-pituitarygonadal(HPG) axis, an integral regulator of spermatogenesis, researchers in Texas set out tostudy the impact of shift work on semen parameters and reproductive hormones in infertilemen. Participants included men who were not able to achieve pregnancy within 12 months, andhad no known genetic or obstructive causes of infertility, as well as, men who had fathered achild within the last five years. Nearly 200 men: 75 infertile shift workers, 98 infertile non-shiftworkers and 27 fertile controls were compared.

Results showed:

Sperm density, total motile count (TMC) and testosterone levels were lower in shiftworkers. No differences in semen volume, sperm motility, leutinizing hormone or follicle stimulating hormone were observed. Infertile shift workers have worse semen parameters than non-shift workers, which is consistent with alterations in the HPG axis observed in shift workers.

Study Details

The Relationship Between Sleep Disorders and Lower Urinary Tract Symptoms: Results fromthe National Health and Nutrition Examination Survey (NHANES) (#: MP13-15): By examiningthe NHANES database, researchers sought to investigate the frequency of LUTS in men, with andwithout such sleep disorders as obstructive sleep apnea and insomnia. Researchers examinedthe NHANES database over a two-year period and included men ages 18-70 who completedsleep questionnaires in addition to prostate and kidney forms. Physician-diagnosed sleepdisorders were self-reported by patients and statistical analyses were used to compare groups.

Results showed:

Of the 6,158 men who completed the survey questions, seven percent reported a sleep disorder. Men with sleep disorders, particularly obstructive sleep apnea, have increased nocturia and are more likely to experience daytime LUTS. Older age, Caucasian race, elevated BMI and increased comorbidity score are factors associated with an increased risk of LUTS in men with sleep disorders. Men with obstructive sleep apnea were more likely to experience bothersome daytime LUTS compared to men with other sleep disorders.

These findings demonstrate how sleep disruption and shift work can negatively impact a mansurologic health, said Dr. Adler. The improved understanding about the role sleep plays incontributing to or worsening lower urinary tract symptoms, male infertility and low testosteronecan lead to more effective diagnosis and treatment options.

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AUA 2017: The Effect of Shift Work on a Man's Sexual and Urologic Health - UroToday

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