Journal of Surgical Technique and Case Report
Journal of Surgical Technique and Case Report


 
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Year : 2013  |  Volume : 5  |  Issue : 2  |  Page : 113-115  

Anastomotic Urethroplasty in Female Urethral Stricture Guided by Cystoscopy - A Point of Technique


Department of Urology, King George's Medical University (erstwhile Chattrapati Shahuji Maharaj Medical University), Lucknow, Uttar Pradesh, India

Date of Web Publication13-Mar-2014

Correspondence Address:
Divakar Dalela
King George's Medical University (erstwhile Chattrapati Shahuji Maharaj Medical University), Lucknow 226 003, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2006-8808.128758

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   Abstract 

Purpose: During anastomotic urethroplasty for stricture urethra with false passage using standard technique, there remains a chance of anastomosis of normal distal urethra to proximal false lumen. Herein, we present a point of technique in which by using antegrade cystoscope, one cannot just identify and dissect normal anatomical proximal urethral lumen, but also perform some of the steps for anastomosis under direct vision. This will avoid making anastomosis to false lumen and thus leading to further complications. Materials and Method s : We report a case of 35-years-female who was presented to us with total mid-urethral stricture with false passage following multiple urethral dilatation attempts. We used antegrade cystoscopy during anastomotic urethroplasty to identify and dissect the proximal end of urethra thereby avoiding anastomosis to false tract. Results: We successfully performed anastomotic urethroplasty avoiding false passage. Post-operative Uroflow showed Q max of 18 ml/sec. Voiding cystourethrogram post-operatively showed anastomosis between normal anatomical lumens. Conclusion: This modification of using antegrade cystoscopy helps to identify proximal urethral end which in turn helps in avoiding anastomosis to false tract and ensures anastomosis between normal lumens.

Keywords: Anastomotic urethroplasty, antegrade cystoscopy, female urethral stricture


How to cite this article:
Patil S, Dalela D, Dalela D, Goel A, Sankhwar P, Sankhwar SN. Anastomotic Urethroplasty in Female Urethral Stricture Guided by Cystoscopy - A Point of Technique. J Surg Tech Case Report 2013;5:113-5

How to cite this URL:
Patil S, Dalela D, Dalela D, Goel A, Sankhwar P, Sankhwar SN. Anastomotic Urethroplasty in Female Urethral Stricture Guided by Cystoscopy - A Point of Technique. J Surg Tech Case Report [serial online] 2013 [cited 2016 May 25];5:113-5. Available from: http://www.jstcr.org/text.asp?2013/5/2/113/128758


   Introduction Top


An obliterative urethral stricture of the mid-urethra in a woman with presence of false passage is an uncommon entity. When anastomotic urethroplasty is planned in such a patient, there is fear of anastomosis of distal urethra to proximal false lumen instead of the normal anatomical lumen. [1] Anastomosis to false lumen can further give rise to complications like failed urethroplasty and urinary incontinence that can increase morbidity as well as the cost of treatment. [1],[2]

We present a point of technique to prevent anastomosis of normal distal urethral lumen to false tract proximally using antegrade cystoscopy.


   Materials and Methods Top


Case history

A 35-years-old woman presented with failed voiding following catheter removal. She had history of multiple episodes of failed voiding for 2 years following attempts of urethral dilatation and catheterization. External genitalia including external urethral meatus were normal. Renal function tests, urine analysis, ultrasonography KUB were normal. Her voiding cystourethrogram (VCUG) showed complete obliteration of urethra at mid-urethral level with false passage [Figure 1]a and b. The catheter (18 fr) had actually been dwelling in through the false passage all these years. False passage was created because of previous urethral dilatation.
Figure 1: (a) VCUG showing obliterative stricture of mid-urethra with false passage. (b) Diagrammatic representation showing obliterative stricture of mid-urethra with false passage

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Technique

Under spinal anesthesia, an inverted 'U' shaped incision was made close to anterior half circumference of urethral meatus [Figure 2]a]. The urethra was dissected and exposed using a subsymphyseal approach with Hegar dilator in urethra till its obliterated end, which helped in identifying the distal end of stricture. After dissecting the strictured segment (1 cm), urethra was transacted through the stricture. Before opening the proximal blind end of urethra, we performed antegrade cystoscopy using 17 fr sheath and 30° lens.
Figure 2

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We used antegrade cystoscopy to verify the proximal blind end of urethra with the help of light of the cystoscope [Figure 2]b and c]. The stay sutures were then placed on the tip of proximal urethra and appropriateness of passage of suture was confirmed by antegrade endoscopic vision [Figure 2]d-g]. The pull on stay sutures allowed appropriate lateral and circumferential dissection. Once the proximal end of anatomical urethra was dissected, the lumen was opened between two stay sutures. The strictured end of distal urethra was dissected over a 26 F Hegar dilator tip, opened and spatulated. Thereafter tension free end to end anastomosis of two anatomical urethral lumens was performed using six interrupted suture of 4-0 vicryl on 16 fr Foley catheter [Figure 3]a. Foley catheter was kept for 6 weeks.
Figure 3: (a) Diagrammatic representation showing completed anastomosis between normal urethral lumens avoiding false passage. (b) Post-operative VCUG showing anastomosis between normal urethral lumens avoiding false passage

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   Results Top


At 4 months follow-up, the patient is voiding well with uroflow showing maximum flow rate of 18 ml/sec and post-void residual urine was 15 ml. Her American Urological Association (AUA) symptom score was 5 at 4 months after operation. Voiding cystourethrogram at 4 months [Figure 3]b showed Patent anastomosis with anastomosis between normal anatomical urethral lumens and not with false passage. Patient was continent at 4 month follow-up.


   Discussion Top


The anastomotic urethroplasty in females is mostly performed with the help of Hegar dilator or retrograde cystoscopy. If the case is having a wide false passage, there remains a possibility of anastomosis of distal urethra to proximal false lumen. The retrograde cystoscopy may not help as the cystoscope may enter through the false passage into proximal urethra giving a false impression of normal urethral passage. This problem is more likely in women on account of short urethra and absence of anatomical landmarks like verumontanum that helps to identify normal urethral lumen in males. Anastomotic urethroplasty is the treatment of choice for short segment strictures of bulbous urethra in males. However, there is a paucity of data in the literature describing anastomotic urethroplasty as the treatment for female urethral stricture. Rovner and Wein [3] have described anastomotic urethroplasty in females for management of complex urethral diverticula. Podesta et al.,[4] and Hemal et al.,[5] in their separate studies have evaluated pelvic fracture urethral distraction defect in females and performed anastomotic urethroplasty in selected cases. Dorairajan et al.,[6] have even suggested primary repair of the urethra with simple urethral realignment over a catheter, as the procedure of choice for female urethral injury associated with a pelvic fracture. The anastomotic urethroplasty in females can be performed using subsymphyseal route approaching the urethra from Dorsal aspect. [4],[7] Hegar dilator or retrograde cystoscopy is often used to verify the appropriateness of lumen. Female urethral stricture with complete occlusion of lumen with an established false passage is an uncommon entity and doing anastomotic urethroplasty has a risk of anastomosis to false tract. [1] This can further lead to failed urethroplasty or urinary incontinence. Our proposed modification of using antegrade cystoscopy helps to identify normal anatomical proximal urethral lumen and ensures anastomosis between normal urethral lumens. Instruments required for antegrade cystoscopy are easily available in set up catering patients with urological ailments. Thus great deal of benefit can be achieved at virtually no extra cost.


   Conclusion Top


While undertaking anastomotic urethroplasty for female urethral stricture, this simple modification of using antegrade cystoscopy facilitates recognition of normal anatomical lumens and thus ensures accurate anastomosis.

 
   References Top

1.Prabhu MK, Sinha M, Krishnamoorthy V. False urethral anastomosis. Indian J Urol 2012;28:222-3.  Back to cited text no. 1
[PUBMED]  Medknow Journal  
2.Al-Rifaei MA, Al-Rifaei AM, Al-Angabawy A. Management of urinary incontinence after bulboprostatic anastomotic urethroplasty for posterior urethral obstruction secondary to pelvic fracture. Scand J Urol Nephrol 2004;38:42-6.  Back to cited text no. 2
    
3.Rovner ES, Wein AJ. Diagnosis and reconstruction of the dorsal or circumferential urethral diverticulum. J Urol 2003;170:82-6.  Back to cited text no. 3
    
4.Podestá ML, Jordan GH. Pelvic fracture urethral injuries in girls. J Urol 2001;165:1660-5.  Back to cited text no. 4
    
5.Hemal AK, Dorairajan LN, Gupta NP. Posttraumatic complete and partial loss of urethra with pelvic fracture in girls: An appraisal of management. J Urol 2000;163:282-7.  Back to cited text no. 5
    
6.Dorairajan LN, Gupta H, Kumar S. Pelvic fracture-associated urethral injuries in girls: Experience with primary repair. BJU Int 2004;94:134-6.  Back to cited text no. 6
    
7.Hosseini J, Tavakkoli Tabassi K, Razi A. Delayed retropubic urethroplasty of completely transected urethra associated with pelvic fracture in girls. Urol J 2009;6:272-5.  Back to cited text no. 7
    


    Figures

  [Figure 1], [Figure 2], [Figure 3]



 

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