Comparing male and female pelvic floor muscle function by the number and type of pelvic floor symptoms.

AIMS: Pelvic floor symptoms (PFS), including lower urinary tract symptoms, defecation problems, sexual dysfunction, and pelvic pain, are common in males and females. Comparing pelvic floor musculature (PFM) function between sexes may reveal important differences relevant to clinical care. This study aimed to compare male and female PFM function and to assess the function of both sexes with the number and type of PFS. METHODS: We purposively enrolled males and females aged ≥ 21 years with 0-4 PFS based on questionnaire responses in an observational cohort study. Participants then underwent PFM assessment, and muscle function in the external anal sphincter (EAS) and puborectal muscle (PRM) were compared between sexes. The relationships between muscle function and the number and type of PFS were explored. RESULTS: Of the invited 400 males and 608 females, 199 and 187 underwent PFM assessment, respectively. Compared with females, males more often showed increased EAS and PRM tone during assessments. Compared with males, females more often showed weaker maximum voluntary contraction (MVC) of the EAS and dysfunctional endurance of both muscles; additionally, those with zero or one PFS, sexual dysfunction, and pelvic pain more often showed a weak MVC of the PRM. CONCLUSIONS: Despite a few similarities between males and, females we found differences in muscle tone, MVC, and endurance between male and female PFM function. These findings provide useful insights into the differences in PFM function between males and females.

Exploring pelvic floor muscle function in men with and without pelvic floor symptoms: A population-based study.

BACKGROUND: Pelvic floor symptoms (PFS), such as lower urinary tract symptoms, defecation disorders, sexual problems, and genital-pelvic pain, are prevalent in men. Thorough physical assessments of the external anal sphincter (EAS) and the puborectal muscle (PRM) are the keys to unraveling the role of muscle dysfunction. OBJECTIVES: To explore associations within and between the EAS and PRM and between muscle (dys-) function and the number of male PFS. METHODS: This cross-sectional study purposively enrolled men aged ≥21 years with 0-4 symptoms from a larger study. After extensive external and internal digital pelvic floor assessment, we explored (1) agreement between muscle function of the EAS versus PRM (using cross tabulation), (2) associations within and between the EAS and PRM (using heatmaps), and (3) associations between muscle function and number of PFS (using a visual presentation [heatmaps] and χ2  tests). RESULTS: Overall, 42 out of 199 men (21%) had completely normal muscle function. Sixty-six (33.2%) had no symptoms, of which 53 (80%) had some degree of muscle dysfunction. No clear dose-response relationship existed between muscle (dys-) function and the number of symptoms. The PRM showed both more dysfunction and severer dysfunction than the EAS. CONCLUSIONS: No clear association exists between muscle dysfunction and the number of symptoms, and the absence of PFS does not indicate normal muscle function for all men. Dysfunction levels are highest for the PRM. Further pelvic floor muscle research is warranted in men with PFS.

Exploring concomitant pelvic floor symptoms in community-dwelling females and males.

OBJECTIVES: Researchers and clinicians tend to focus on one pelvic floor symptom (PFS) at the time. However, the pelvic floor acts as one functional unit, increasing the likelihood of concurrent PFS in patients with pelvic floor dysfunction. There is also a paucity of literature on the prevalence of concomitant PFS, especially in males. Therefore, we explored the occurrence of concomitant PFS in community-dwelling males and females. MATERIALS AND METHODS: This prospective observational population-based cohort study included males and females aged ≥16 years from a single Dutch municipality. Participants completed validated questionnaires on lower urinary tract symptoms (LUTS), defecation problems, sexual dysfunction, pelvic pain, and pelvic organ prolapse. Medical general practitioner records were examined. Furthermore, a randomly selected group of non-responders aged <80 years received a short questionnaire, to study response bias. RESULTS: We invited 11 724 people, among which 839 females and 566 males completed the questionnaires. Of the female participants, 286 (34.1%) reported no PFS, and 251 (29.9%) reported two or more PFS. The most prevalent PFS clusters in females were sexual dysfunction and pelvic pain, sexual dysfunction and defecation problems, LUTS and defecation problems, and LUTS, defecation problems, and pelvic pain. Of the male participants, 212 (37.5%) reported no PFS, and 191 (33.7%) reported two or more PFS. The most prevalent clusters in males were sexual dysfunction and LUTS, defecation problems and LUTS, and sexual dysfunction, LUTS, and defecation problems. CONCLUSION: A considerable overlap existed between PFS, with differences in PFS clusters between females and males. Of note, females reported pelvic pain more than males. We conclude that healthcare providers should address all PFS in males and females.

Exploring pelvic floor muscle activity in men with lower urinary tract symptoms.

AIM: We aimed to explore the utility of the Multiple Array Probe Leiden (MAPLe) device to assess pelvic floor muscle activity in men with lower urinary tract symptoms (LUTS). METHODS: This was an observational cohort study performed at the urology outpatient department of a large teaching hospital in the Netherlands between April and October 2018. We recruited male patients referred for the assessment of LUTS, without a history of prostate surgery, if they had an International Prostate Symptom Score greater than or equal to 8. The MAPLe device was then used to assess the puborectalis, pubococcygeus, iliococcygeus, urogenital diaphragm, and the internal and external anal sphincters during three tasks: a rest period (1 minute), five maximum voluntary contractions (held for 3 seconds each), and three maximal endurance contractions (held for 15 seconds each). RESULTS: In total, 57 patients were included, 5 of which had diabetes mellitus. Muscle activity at rest was significantly lower than during either contraction task and did not differ between the muscle groups. By contrast, the external anal sphincter had significantly less activity than any other muscle group during the endurance task, and the internal anal sphincter and puborectalis had significantly less activity during the maximum voluntary contraction task. No association was found between pelvic floor muscle activity and LUTS severity during any task. CONCLUSION: Pelvic floor muscle activity and LUTS severity appear to be unrelated, but this does not completely exclude the possibility of muscle involvement in the development or experience of symptoms. Further research is needed.