Urethra, continence and functional urology
Urethral reconstruction, continence surgery, neuromodulation and bladder-function procedures.
Artificial urinary sphincter implantation and revision
Urethral injury
A urethrotomy or compromised spongiosum may prevent safe primary implantation and alters future planning.
Applies to: All variantsDevice infection
Infection can involve one or all components and commonly threatens retention of the prosthesis.
Applies to: All variantsCuff erosion
Pressure, tissue fragility or later instrumentation can lead to urethral erosion.
Applies to: All variantsMechanical failure
Leakage, component disconnection or pump/reservoir failure can cause recurrent incontinence.
Applies to: All variantsRetention or difficulty cycling the device
Outlet obstruction, poor dexterity or device position can impair voiding.
Applies to: All variantsPersistent or recurrent incontinence
Urethral change, bladder dysfunction, cuff position or device malfunction can reduce continence.
Applies to: All variantsCorporal injury or erectile impact
Transcorporal dissection introduces technique-specific corporal and sexual-function considerations.
Applies to: Transcorporal or alternative cuff placementAugmentation cystoplasty
Bleeding, bowel injury or anastomotic complication
Abdominal and bowel surgery introduces haemorrhage, ileus, obstruction, leakage and intra-abdominal sepsis risk.
Applies to: All variantsUrinary leak or fistula
Failure of the bladder–bowel or associated channel closure can cause intraperitoneal or wound leakage.
Applies to: All variantsUrinary infection and mucus-related obstruction
Colonisation, residual urine, mucus and catheterisation contribute to infection and drainage problems.
Applies to: All variantsMetabolic or nutritional disturbance
Urine–bowel contact and bowel resection can alter acid-base, electrolyte, vitamin or nutritional status.
Applies to: Ileocystoplasty · Colocystoplasty · Composite reconstructionBladder or upper-tract stones
Mucus, infection, foreign material and incomplete emptying can promote calculi.
Applies to: All variantsReservoir perforation
A late spontaneous or traumatic rupture can present with an acute abdomen or sepsis and is a lifelong risk.
Applies to: All variantsMalignancy in reconstructed urinary tract
Long-term cancer risk is part of surveillance counselling even though absolute risk and protocols vary.
Applies to: All variantsPersistent incontinence or catheterisation difficulty
Outlet and access goals may not be achieved or can deteriorate over time.
Applies to: Composite reconstructionBladder-neck closure and devastated outlet surgery
Closure breakdown and urinary fistula
Poor tissue quality or pressure can reopen the outlet or create a new urinary fistula.
Applies to: All variantsUreteric obstruction or injury
Trigonal dissection, closure or associated reconstruction can compromise one or both ureters.
Applies to: All variantsPelvic infection or abscess
Urinary leakage into a scarred field can lead to deep infection.
Applies to: All variantsUnsafe bladder pressure or upper-tract deterioration
Closing the outlet without adequate storage and drainage can endanger renal function.
Applies to: All variantsFailure of alternative drainage
A catheter, stoma, channel or conduit may obstruct, leak or become difficult to manage.
Applies to: All variantsBowel, rectal or vaginal injury
Dense salvage fields place adjacent pelvic organs at increased risk.
Applies to: All variantsContinent catheterisable channel creation and revision
Bowel or urinary leak
Anastomotic or closure failure can cause intra-abdominal contamination or wound leakage.
Applies to: All variantsStomal or channel stenosis
Narrowing can occur at the skin, fascia or deeper channel and threaten catheter access.
Applies to: All variantsFalse passage or channel perforation
Difficult catheterisation can create an alternative tract or intraperitoneal injury.
Applies to: All variantsChannel incontinence
Failure of the continence mechanism or high reservoir pressure can cause stomal leakage.
Applies to: All variantsIschaemia, retraction or prolapse
Blood-supply or length problems can compromise the channel or stoma.
Applies to: All variantsStones and recurrent infection
Mucus, catheterisation, incomplete emptying and reconstructed bladder anatomy can promote infection and calculi.
Applies to: All variantsBowel obstruction or abdominal adhesion complication
Bowel mobilisation and anastomosis add late adhesive and mechanical risks.
Applies to: Monti or spiral Monti channel · Composite bladder reconstructionEndoscopic treatment of bladder-neck and vesicourethral stenosis
Bleeding or extravasation
Deep treatment can breach the scarred outlet or cause bleeding that obscures anatomical landmarks.
Applies to: All variantsRectal injury or fistula
Posterior deep incision in a previously treated field can enter the rectum.
Applies to: Radial incision · ResectionNew or worsened incontinence
Opening the stenosis can unmask sphincter deficiency or directly injure the continence mechanism.
Applies to: All variantsRecurrent stenosis
Re-scarring is common enough to require a defined follow-up and escalation pathway.
Applies to: All variantsUrinary infection
Instrumentation and temporary drainage can precipitate urinary infection.
Applies to: All variantsEndoscopic treatment of urethral stricture
Urethral bleeding or spongiosal injury
Bleeding ranges from transient haematuria to deeper spongiosal trauma and may signal that the intended plane has been lost.
Applies to: All variantsFalse passage or urethral perforation
Instrument or wire passage outside the true lumen can create extravasation, impair drainage and complicate later reconstruction.
Applies to: All variantsUrinary infection
Instrumentation and temporary drainage can be followed by lower or systemic urinary infection.
Applies to: All variantsRecurrent stricture
Scar recurrence is a defining longer-term limitation and should be tracked separately from immediate technical success.
Applies to: All variantsSphincter injury or new incontinence
Proximal treatment close to the continence mechanism can rarely impair sphincter function.
Applies to: Direct-vision internal urethrotomyFemale mid-urethral sling surgery
Bladder, urethral or bowel injury
Trocar trajectory determines which organs are at risk; recognition during the procedure changes immediate management.
Applies to: All variantsBleeding or retropubic haematoma
Blind passage through the retropubic space can injure venous or arterial structures.
Applies to: Retropubic mid-urethral slingVoiding dysfunction or retention
Sling tension, swelling or pre-existing dysfunction can impair bladder emptying.
Applies to: All variantsMesh exposure or urinary-tract erosion
Synthetic material may become exposed in the vagina or erode into urethra or bladder.
Applies to: All variantsGroin, pelvic or sexual pain
Pain can follow vaginal dissection, mesh response or route-specific nerve and muscle injury.
Applies to: All variantsPersistent, recurrent or de novo urinary symptoms
Stress leakage may persist, while urgency or recurrent infection may newly appear or worsen.
Applies to: All variantsFemale urethral diverticulectomy
Urethral injury or tissue loss
A complex or circumferential sac may be inseparable from the urethra and leave a larger defect than anticipated.
Applies to: All variantsUrethrovaginal fistula
Breakdown of overlapping tissue layers can create persistent vaginal urinary leakage.
Applies to: All variantsRecurrent diverticulum
Residual sac, a missed ostium or continuing gland obstruction can lead to recurrence.
Applies to: All variantsNew stress urinary incontinence
Dissection or loss of support near the sphincter may unmask or cause leakage.
Applies to: All variantsInfection or wound breakdown
Contamination by urine or infected diverticular contents can compromise the vaginal repair.
Applies to: All variantsUrethral stenosis
A narrowed reconstructed lumen can cause obstructive voiding symptoms.
Applies to: All variantsFemale urethral stricture reconstruction
Bleeding or peri-urethral haematoma
The confined peri-urethral space can collect blood and impair wound healing.
Applies to: All variantsUrinary infection
Instrumentation and postoperative drainage can precede lower or systemic infection.
Applies to: All variantsRecurrent stricture
Recurrence is particularly relevant after endoluminal treatment but can follow any reconstruction.
Applies to: All variantsNew stress or urgency incontinence
Treatment near the sphincter and changes in outlet resistance can reveal or create leakage.
Applies to: All variantsUrethrovaginal fistula
Breakdown across the ventral repair can establish an abnormal connection to the vagina.
Applies to: Ventral augmentation urethroplastyGraft or flap failure
Ischaemia, infection or poor tissue contact can compromise substitution tissue.
Applies to: Dorsal augmentation urethroplasty · Ventral augmentation urethroplastyIntradetrusor botulinum toxin injection
Urinary infection
Instrumentation, residual urine and catheterisation can contribute to symptomatic infection.
Applies to: All variantsRaised residual urine or retention
Reduced detrusor contractility may require temporary or ongoing catheterisation.
Applies to: All variantsHaematuria or bladder-wall injury
Needle puncture can cause bleeding and rarely deeper mural injury.
Applies to: All variantsInadequate or waning symptom response
Benefit may be partial or time-limited and should be distinguished from a technical complication.
Applies to: All variantsSystemic toxin effect
Rare distant neuromuscular symptoms require recognition and appropriate escalation.
Applies to: All variantsMale anterior urethroplasty
Bleeding, haematoma or wound collection
Perineal, penile or donor-site bleeding may threaten wound healing or become infected.
Applies to: All variantsInfection, wound breakdown or fistula
Infection or ischaemia can disrupt the repair and create urethrocutaneous leakage.
Applies to: All variantsRecurrent narrowing
Recurrence may occur at an anastomosis, graft edge or across a more extensive diseased segment.
Applies to: All variantsSexual or ejaculatory change
Patients may experience altered erection, penile shape, sensation or ejaculation; the pattern varies with site and technique.
Applies to: All variantsGraft or donor-site morbidity
Oral pain, numbness, tightness or graft contraction are specific to substitution reconstruction.
Applies to: One-stage augmentation · Staged reconstructionStage failure or need for revision
Graft contraction, persistent disease or poor tissue quality can delay or prevent later tubularisation.
Applies to: Staged reconstructionMale sling surgery for stress urinary incontinence
Urethral or bladder injury
Needle or trocar passage and peri-urethral dissection can enter the urinary tract.
Applies to: All variantsUrinary retention or obstructed voiding
Excess outlet resistance or postoperative swelling can prevent effective emptying.
Applies to: All variantsInfection or erosion
An implanted sling can become infected or erode into urethral or adjacent tissues.
Applies to: All variantsPersistent or recurrent incontinence
Inadequate support, unsuitable baseline function or later change can limit durability.
Applies to: All variantsPerineal or groin pain
Dissection, arm passage or tension can cause persistent discomfort.
Applies to: All variantsAdjustment-related complication
Ports, adjustment mechanisms or subsequent manipulation introduce system-specific failure and infection risks.
Applies to: Adjustable slingNon-mesh surgery for female stress urinary incontinence
Bladder or ureteric injury
Retropubic dissection or suture placement can injure the urinary tract or distort a ureteric orifice.
Applies to: All variantsBleeding or haematoma
Retropubic vascular injury or fascial harvest can cause concealed bleeding.
Applies to: All variantsVoiding dysfunction or retention
Excess support or impaired detrusor function can prevent complete emptying.
Applies to: All variantsPersistent or recurrent incontinence
Failure can reflect support, tissue, bladder or diagnostic factors.
Applies to: All variantsPelvic organ prolapse or de novo urgency
Change in vaginal axis and outlet function may be followed by prolapse or urgency symptoms.
Applies to: Open Burch colposuspension · Laparoscopic or robotic colposuspensionHarvest-site pain, hernia or wound morbidity
Fascial harvest creates an additional abdominal wound with specific recovery risks.
Applies to: Autologous fascial slingOutlet-reduction surgery in neuro-urology
Bleeding or capsular/peri-urethral injury
Deep incision or resection can enter vascular tissue or create extravasation.
Applies to: All variantsUrinary infection
Instrumentation and subsequent drainage arrangements can increase infection risk.
Applies to: All variantsInadequate pressure reduction or recurrent obstruction
Scar, residual sphincter activity or incorrect level selection may leave emptying unsafe.
Applies to: All variantsExpected or worsened urinary incontinence
Continence loss is inherent to outlet reduction and must align with the planned collection strategy.
Applies to: All variantsErectile or ejaculatory change
Treatment close to erectile and ejaculatory structures can alter sexual function.
Applies to: External sphincterotomy · Bladder-neck incision or resectionMigration, encrustation or erosion
An outlet stent can move, become encrusted, obstruct or injure urethral tissue.
Applies to: Urethral stent pathwayPelvic organ prolapse repair in urological practice
Bladder, ureteric or bowel injury
Dissection and fixation near pelvic organs can cause recognised or delayed injury and obstruction.
Applies to: All variantsBleeding or pelvic haematoma
Vaginal pedicles, presacral vessels or pelvic sidewall structures may bleed.
Applies to: All variantsVoiding dysfunction or urinary retention
Changed anatomy, swelling or concurrent continence surgery can impair emptying.
Applies to: All variantsNew or worsened urinary incontinence
Reduction of prolapse can reveal occult stress leakage or alter urgency symptoms.
Applies to: All variantsRecurrent prolapse
Failure can occur in the treated or a different vaginal compartment.
Applies to: All variantsGraft exposure, infection or pain
Implanted graft can become exposed, infected or associated with pelvic pain.
Applies to: Abdominal sacrocolpopexyDyspareunia or vaginal narrowing
Scarring and altered vaginal dimensions may affect sexual function; vaginal closure intentionally precludes penetrative intercourse.
Applies to: All variantsPosterior urethral and vesicourethral reconstruction
Rectal injury or fistula
Dense posterior scarring can obscure the rectal plane; an unrecognised injury can present later as pelvic sepsis or fistula.
Applies to: All variantsBleeding from pelvic or corporal structures
Deep pelvic exposure and ancillary manoeuvres can cause difficult-to-compress bleeding.
Applies to: All variantsRecurrent stenosis
A recurrent narrowing may reflect tension, ischaemia or the underlying scar process.
Applies to: All variantsNew or worsened urinary incontinence
Reconstruction may unmask or impair an already compromised continence mechanism and can require staged treatment.
Applies to: All variantsErectile or ejaculatory dysfunction
Neurovascular trauma from the original injury, prior treatment and reconstruction may all contribute.
Applies to: All variantsUreteric injury
Abdominal dissection close to the trigone or reconfigured bladder neck places the distal ureters at risk.
Applies to: Abdominoperineal reconstruction · Robotic or open vesicourethral reconstructionSacral neuromodulation testing, implantation and revision
Bleeding or unintended neural injury
Needle or lead placement can injure local vessels, stimulate unintended roots or travel beyond the intended plane.
Applies to: All variantsWound or device infection
Infection can involve the lead tract or generator pocket and may jeopardise the implant.
Applies to: All variantsPain or unwanted stimulation
Lead position or programming can cause buttock, leg, pelvic or sensory symptoms.
Applies to: All variantsLead migration, fracture or connection failure
Mechanical change can cause loss or alteration of therapeutic response.
Applies to: All variantsFailure of trial or loss of efficacy
A test may not reach the predefined benefit, and an established response can later diminish.
Applies to: All variantsGenerator-pocket problem
Pocket pain, skin compromise or generator movement can require reassessment or revision.
Applies to: Permanent generator implantation · Lead or generator revision/explantUrethral bulking injection
Urinary infection
Instrumentation and implanted material can be followed by infection.
Applies to: All variantsTransient or persistent retention
Swelling or excessive coaptation can impede bladder emptying.
Applies to: All variantsBleeding or urethral injury
Needle placement can cause mucosal trauma, haematuria or extravasation.
Applies to: All variantsMigration, granuloma or erosion
A bulking material can move, incite a local reaction or become exposed in the urinary tract.
Applies to: All variantsPersistent or recurrent incontinence
Incomplete response and loss of effect over time are important outcome limitations.
Applies to: All variants