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SURGICAL CRAFT
Year : 2017  |  Volume : 33  |  Issue : 3  |  Page : 253-254
 

Cystoscopic stent removal using a guidewire loop


1 Department of Urology and Transplant, Kamalnayan Bajaj Hospital, Aurangabad, Maharashtra, India
2 Department of Urology, Fortis Hospital Mulund, Mumbai, Maharashtra, India

Date of Submission14-Mar-2017
Date of Acceptance11-Apr-2017
Date of Web Publication30-Jun-2017

Correspondence Address:
Pankaj N Maheshwari
Department of Urology, Fortis Hospital Mulund, Mumbai, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/iju.IJU_88_17

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   Abstract 


Stent removal is a simple procedure performed with a rigid cystoscope and a stent removal forceps. In the rare event when the stent removal forceps does not work or breaks down, a guidewire loop can be used to remove the stent.



How to cite this article:
Oswal AT, Maheshwari PN, Amlani D. Cystoscopic stent removal using a guidewire loop. Indian J Urol 2017;33:253-4

How to cite this URL:
Oswal AT, Maheshwari PN, Amlani D. Cystoscopic stent removal using a guidewire loop. Indian J Urol [serial online] 2017 [cited 2019 Jun 25];33:253-4. Available from: http://www.indianjurol.com/text.asp?2017/33/3/253/206779





   Introduction Top


Double J (DJ) stents are frequently used in urologic practice and are removed using a rigid or flexible cystoscope with a stent removal forceps or a foreign body forceps.[1] We report here a technique for cystoscopic removal of the stent when the forceps breaks down and there is no other backup option available.


   Technique Top


While attempting to remove a stent from a patient under short general anesthesia, we realized that our stent removal forceps was not working. Its prongs would not open and a back-up forceps was not available. We then created a sling with a guidewire to remove the stent.

The guidewire was inserted from one channel of the cystoscopic bridge, a loop was created, ex vivo, at the bladder end of the cystoscope and the tip of the wire was brought back from the other channel of the bridge [Figure 1] and [Figure 2]. The complete assembly of the wire loop with the cystoscope was then inserted into the bladder. The bladder end of the DJ stent was ensnared in the guidewire loop which was then pulled. This trapped the stent between the wire loop and the beak of the cystoscope sheath [Figure 3] and could be removed. In subsequent cases, a single channel bridge was found to work equally well. When a single channel bridge or pediatric cystoscope is used, the guide wire is passed in a routine fashion and then folded back with the remaining wire outside the sheath to create the loop. The loop can be made both with a stiff 0.035 guidewire or a hydrophilic glidewire. Any rigid cystoscopic sheath can be used; the smallest sheath used by us was 12 Fr. We have not attempted this technique for stent removal with a flexible cystoscope.
Figure 1: Wire loop formed at the bladder end of the cystoscope

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Figure 2: The two ends of the wire seen coming out of the cystoscope bridge

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Figure 3: Stent trapped between the beak of the cystoscope and the wire loop

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This technique has been tried in 15 patients at two centers. Of these, one was a 12-year-old pediatric patient. The stent could be removed in all the patients without any procedure-related complications.


   Discussion Top


Removal of the DJ stent is usually performed in the operation theater using a rigid cystoscope as flexible cystoscopy in an office setting is still not commonly available in India.[2],[3] We prefer to use anesthesia for stent removal as we believe a lot of patients complain of significant pain during rigid and flexible cystoscopy. A recent review by Loh-Doyle et al.[4] has confirmed that 57% patients experienced moderate to severe pain during the procedure and the willingness to undergo the same removal technique was lowest for those who underwent office flexible cystoscopy and highest for operating room cystoscopy.

Stent removal is often considered a minor procedure that is delegated to the junior member of the surgical team. Although it is the duty of the operating surgeon to check the instruments before the procedure is started, such situations can rarely arise when either the needed instrument is not available or does not work satisfactorily.

Other options in such a situation would be to use a ureteroscopy forceps or a stone basket. It is difficult to manage the long and thin ureteroscopy forceps through the cystoscope. The prongs of the ureteroscopic stone grasping forceps are small and thin and may have difficulty in grasping the stent. The dormia basket is a good option but may not be available in all the operating rooms and would add significantly to the cost of the procedure.

Guidewires are easily available and cheap. Making the loop to entrap the stent is easy and nontraumatic. This could be a good alternative in a situation when forceps are not available or not working.

Financial support and sponsorship: Nil.

Conflicts of interest: There are no conflicts of interest.



 
   References Top

1.
Ozturk H. Facilitate stent removal: Magnetic DJ stent. Urol Case Rep 2017;11:55-6.  Back to cited text no. 1
[PUBMED]    
2.
Karthikeyan VS, Keshavamurthy R, Mallya A, Chikka Moga Siddaiah M, Kumar S, Chandrashekar CR. Efficacy of preprocedural diclofenac in men undergoing double J stent removal under local anesthesia: A double-blind, randomized control trial. Indian J Urol 2017;33:53-7.  Back to cited text no. 2
[PUBMED]  [Full text]  
3.
Doizi S, Kamphuis G, Giusti G, Palmero JL, Patterson JM, Proietti S, et al. First clinical evaluation of a new single-use flexible cystoscope dedicated to double-J stent removal (Isiris™): A European prospective multicenter study. World J Urol (2016). doi: 10.1007/s00345-016-1986-0.  Back to cited text no. 3
    
4.
Loh-Doyle JC, Low RK, Monga M, Nguyen MM. Patient experiences and preferences with ureteral stent removal. J Endourol 2015;29:35-40.  Back to cited text no. 4
[PUBMED]    


    Figures

  [Figure 1], [Figure 2], [Figure 3]



 

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