Are falls in people with multiple sclerosis related to the severity of urinary disorders?

BACKGROUND: Lower urinary tract symptoms (LUTSs), especially overactive bladder, are frequent in people with multiple sclerosis (PwMS). Urinary urgency and urge urinary incontinence could lead to precipitation and thus could increase the risk of falling in these individuals. OBJECTIVE: We aimed to assess the association between severity of LUTSs and risk of falling in PwMS. METHODS: PwMS with LUTSs were recruited in a neuro-urology department. Participants were asked about the number of falls in the past 3 months and their circumstances. Severity of LUTSs was assessed by the Urinary Symptoms Profile (USP) score, and individuals were classified as with or without urinary incontinence. RESULTS: This cross-sectional study included 154 patients (69% women); the mean (SD) age was 50.1 (11.5) years and median EDSS was 5 (interquartile range 3-6). Overall, 20 (13%) patients reported one fall during the past 3 months, and 43 (28%) reported at least 2 falls. Only 9 (6%) patients reported a fall on the way to the toilet, 6 during a urinary urgency. No link was found between falls and urinary incontinence (P=0.71), type or severity of urinary symptoms (overactivity, voiding dysfunction or stress incontinence, P>0.05). Falls on the way to the bathroom was associated with high USP score related to overactive bladder (P=0.03) and severe nocturia (>2 nocturnal micturitions) (P<0.01). Falling at night was also associated with severe nocturia (P<0.001). CONCLUSIONS: The severity of LUTSs and presence of urinary incontinence do not appear related to the risk of falling in PwMS and urinary disorders but rather to the specific risk of falling on the way to the bathroom. Severe nocturia increases the risk of falling at night. Further studies are needed to assess the impact of LUTS treatment on the risk of falling. ClinicalTrials.gov (NCT04338646).

Time to be Ready to Void: A new tool to assess the time needed to perform micturition for patients with multiple sclerosis.

BACKGROUND: Urgency urinary incontinence is one of the major disabling urinary symptoms in people with multiple sclerosis (PwMS). The warning time (time from first sensation of urgency to voiding or incontinence) only partially reflects the possibility of continence. Other factors such as mobility, difficulties in transfer or undressing can influence this time. OBJECTIVES: The aim was to create a specific test for PwMS to assess the global time required to be ready to perform micturition and to assess its reliability. METHODS: The Time to be Ready to Void (TRV) was based on 2 timed steps: "mobility" stage, including standing up and walking 6m to the toilet, and the "settled" stage, starting as soon as the individual opens the toilet door until readiness for micturition. All participants performed the TRV twice. Reliability were assessed by the intraclass correlation coefficient (ICC) and convergent validity by Spearman correlation coefficient. RESULTS: We included 71 PwMS (mean [SD] age 54.4 [11.7] years). Inter-rater reliability was excellent for the TRV mobility stage (ICC: 0.97), settled stage (ICC: 0.99) and total test (ICC: 0.99). Test-retest reliability was good for the mobility stage (ICC: 0.88) and total test (ICC: 0.81) and moderate for the settled stage (ICC: 0.67). Test-retest reliability assessed by a Likert-type scale was good for each stage (κ 0.75 and 0.88). The mobility stage was correlated with the scores for the Timed Up and Go test, 10-Meter Walk Test, and Tinetti Mobility Test (ρ=0.89; ρ=0.88; ρ=-0.67, respectively; P<0.0001) and the settled stage with scores for the Tinetti Mobility Test, Functional Independence Measure and Nine Hold Peg test (right) (ρ=-0.48; ρ=-0.36; ρ=0.31, respectively; P<0.01). Comprehension, acceptance and relevance were rated good by most participants (97%, 95% and 90%, respectively). CONCLUSION: The TRV is a new tool to measure the global time needed to be ready to achieve micturition in PwMS. It seems useful in clinical practice for overactive bladder in addition to the classical warning time because it takes into account all the time needed to accomplish micturition (mobility, undressing, installation).