Abstract
In spinal-injured patients, detrusor-sphincter dyssynergia (DSD) can lead to high intravesical pressures, upper tract dilation, and recurrent infections. The standard treatment for DSD is sphincterotomy and, more recently, permanent sphincter stenting. Many spinal-injury patients would prefer a reversible treatment because of concern about fertility or because they are awaiting a "miracle cure." There is also concern over the theoretical long-term risk of squamous carcinoma after permanent stenting. In view of this, the Memokath, a thermosensitive temporary stent, has been undergoing trials at our center to determine which patients could benefit. Fourteen Memokath stents have been inserted in spinal-injured patients with DSD at our center, and they have been followed up for as long as 2 years. Stents were placed under cystoscopic guidance as a day case procedure. The stents were inserted either through the sphincter alone (short [4-cm] stents; 3 patients) or through the sphincter and bladder neck (long [5-7-cm] stents; 11 patients). There were no complications during surgery in either placement or removal of these stents. There was a significant (p < 0.001) reduction in the residual urine volume after stenting. Preoperative hyd...Continue Reading
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