AFR and Voiding Time
According to our study findings, AFR and voiding times from the
urodynamic exam were worse in patients with surgical complications.
Preoperative urodynamic evaluations may predict the risk of voiding
dysfunction in women with SUI undergoing midurethral sling
surgery,41 although other research has failed to
support such evaluations.42 Another study from Taiwan
has found that an abnormal preoperative uroflowmetry pattern and
preoperative peak flow <15 ml/s are risk factors contributing
to voiding dysfunction following midurethral sling
surgery,43 and a low flow rate is reported by other
researchers to be a risk factor for early voiding dysfunction
postoperatively.44 In our study, all of our patients
(with and without surgical complications) had much lower AFR values (8.0
vs 10.0 ml/s, respectively) than the studies mentioned above. The
discrepant outcomes may depend upon different criteria used by the
various studies to determine low flow rates, as well as the differing
severity of SUI in the various study populations.