Page 3 - CUAJ April 2019: Surveillance urodynamics for neurogenic lower urinary tract dysfunction: A systematic review
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Surveillance urodynamics for neurogenic lower urinary tract dysfunction




                                                                                for intervention was not influenced by
           Identification  through database search   available through other    length of time post-injury, or level of
                                                                                the type of bladder management, the
                                            Additional records
                    Records identified
                                             sources (n=31)
                       (n=659)
                                                                                injury. Only 5.2% of patients reported
                                                                                new-onset urological symptoms since
                                                                                their prior annual evaluation.
                               Duplicates removed
                                                                                            23
                                   (n = 631)                                      Nosseir et al  also advised that reli-
                                                                                ance on clinical symptoms to prompt
           Screening            Records screened          Records excluded      sUDS leads to failure to detect a large
                                                                                number of treatment failures in the
                                                             (n=484)
                                    (n=602)
                                                                                SCI population. The authors reviewed
                                                                                80 SCI patients with at least one fol-
                                                                                lowup visit per year for a minimum
                                                                                of five consecutive years. The focus
                                                           Full-text articles
                                                         excluded with reasons   was to determine how frequently the
                                                                                treatment regimen had to be modified
           Eligibility             assessed               ‒ Review articles,    due to annual sUDS results. Over a
                                                               (n=90)
                                 Full-text articles
                                   (n=118)
                                                           n=42
                                                          ‒ Not sUDS-related,    mean followup of 67.3 months, the
                                                           n =48                treatment strategy had to be modified
                                                                                in almost all patients. If authors had
                                                                                relied solely on clinical symptoms or
                                                                                imaging findings, 68.75% of treatment
           Included            quantitative synthesis                           failures would not have been detected.
                                Articles included in
                                                                                  Conversely, Edokpolol and col-
                                    (n=28)
                                                                                      24
                                                                                leagues  established a safe lower uri-
                                                                                nary tract with baseline UDS, and
       Fig. 1. Flow diagram of search strategy. sUDS: surveillance urodynamics.  subsequently performed annual renal
                                                                                ultrasonography for surveillance. sUDS
       SCI                                                   was repeated only when patients presented with new symptoms
                                                             or alarming radiological changes. Subjects were followed for
       Five articles meeting level 4 evidence addressed sUDS in the   a mean duration of 6.8 years. sUDS was repeated in 40% of
       SCI population (Table 3). Studies included 470 adults and   subjects during the study period. After repeat sUDS for new
       28 pediatric patients with 2393.4 and 107.3 patient-years   onset of symptoms, bladder management was not changed in
       of followup, respectively. Four of five articles performed   64% cases. The dose or type of anticholinergic was increased
       sUDS based on regularly timed studies defined on a specific   or changed in 32% cases, and one subject received bladder
       interval (1–2 years) while one article performed surveillance   augmentation. In four other subjects, the regimen was modified
       based on altered symptoms or imaging findings (recurrent   based on symptoms without repeating sUDS. Two new cases of
       UTI, increased incontinence between catheterization, or   pelvicaliectasis were present at the time of final ultrasound. One
       alarming features on ultrasound).                     case was secondary to an obstructing stone and the second was
         The impact of annual sUDS on adjustment of patient treat-  due to refractory bladder pressures in a non-compliant patient.
                                          22
       ment was addressed by Linsemeyer et al.  The authors per-  The authors concluded that an ultrasound-based surveillance
       formed a cross-sectional review of 96 individuals with stable   approach is efficacious in SCI patients and suggest that annual
       traumatic SCI undergoing annual UDS evaluations. Changes   sUDS may be unnecessary.
       in the urodynamic parameters and autonomic dysreflexia
       were determined by comparing the current study with the   Spina bifida
       prior year. The main outcome measure was whether or not
       there was a need for intervention based on the UDS results.   Seven articles meeting level 2b–4 evidence addressed sUDS
       Overall, 47.9% of individuals required at least one type of   in the spina bifida population (Table 3). Studies included
       intervention based on annual UDS: 82.6% were urologi-  120 adult and 587 pediatric patients with 1248 and 5208
       cal interventions (medication changes were most common,   patient-years of followup, respectively. Five of seven articles
       comprising 54.3% of urological interventions); 13.0% were   performed sUDS based on regularly timed studies defined
       non-urological interventions; and 4.3% were a combination   on a specific interval (1–2 years) while two articles per -
       of non-urological and urological interventions. The need   formed surveillance based on altered symptoms or imaging


                                                  CUAJ • April 2019 • Volume 13, Issue 4                      135
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