Related Experiment Videos
Encrustation of intraprostatic stents--a comparative study
S A Holmes1, P D Miller, P R Crocker
1Department of Urology, St Bartholomew's Hospital, London.
British Journal of Urology
|April 1, 1992
Summary
Metallic prostatic stents can encrust, a complication that may limit their use. This study found titanium stents were more prone to encrustation than other metals in an in vitro model.
Area of Science:
- Urology
- Biomaterials Science
- Medical Device Engineering
Background:
- Metallic stents are utilized for managing prostatic disease in non-surgical candidates.
- Current stent designs and materials lack standardization, necessitating further research.
- Stent encrustation is a significant complication impacting long-term efficacy.
Purpose of the Study:
- To investigate the susceptibility of metallic prostatic stents to encrustation.
- To compare the encrustation resistance of different stent materials using an in vitro model.
Main Methods:
- An in vitro model was employed to simulate conditions leading to stent encrustation.
- The deposition and encrustation on stents fabricated from various metals were quantitatively assessed.
Main Results:
- All examined metallic stents demonstrated susceptibility to encrustation.
- Titanium stents exhibited a lower resistance to encrustation compared to other tested metals.
- Material composition significantly influences the degree of encrustation.
Conclusions:
- Encrustation is a critical long-term complication for metallic prostatic stents.
- Titanium may not be the optimal material for prostatic stents due to its higher encrustation rates.
- Further research into material selection and stent design is crucial to mitigate encrustation and improve patient outcomes.