Bioengineered Scaffolds as Substitutes for Grafts for Urethra Reconstruction.

Materials (Basel)

Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia.

Published: October 2019

Urethral defects originating from congenital malformations, trauma, inflammation or carcinoma still pose a great challenge to modern urology. Recent therapies have failed many times and have not provided the expected results. This negatively affects patients' quality of life. By combining cells, bioactive molecules, and biomaterials, tissue engineering can provide promising treatment options. This review focused on scaffold systems for urethra reconstruction. We also discussed different technologies, such as electrospinning and 3D bioprinting which provide great possibility for the preparation of a hollow structure with well-defined architecture.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6829564PMC
http://dx.doi.org/10.3390/ma12203449DOI Listing

Publication Analysis

Top Keywords

urethra reconstruction
8
bioengineered scaffolds
4
scaffolds substitutes
4
substitutes grafts
4
grafts urethra
4
reconstruction urethral
4
urethral defects
4
defects originating
4
originating congenital
4
congenital malformations
4

Similar Publications

Objectives: To evaluate the feasibility and surgical outcomes of simultaneous urethral reconstruction for synchronous urethral strictures (SUS) and analyze the surgical techniques employed for different stricture combinations.

Methods: Twenty-two male patients with SUS who underwent urethral reconstruction between February 2018 and July 2023 were retrospectively reviewed. Stricture locations and lengths were evaluated using cystoscopy and urethrography after urethral rest for at least 3 months.

View Article and Find Full Text PDF

Objectives: To evaluate the surgical and patient-reported outcomes of YV-plasty in patients with refractory bladder neck stenosis (BNS) following transurethral prostate surgery.

Methods: This retrospective study reviewed five patients who underwent YV-plasty for BNS between January 2021 and October 2023. The surgical procedure involved a midline lower abdominal incision to expose the bladder neck.

View Article and Find Full Text PDF
Article Synopsis
  • The lower urinary tract, consisting of the bladder and urethra, develops from the cloaca, with the bladder forming from the urogenital sinus and the urethra extending into the genital tubercle.
  • Engineering a fully functional bladder lining is challenging, and the urethral epithelium's immune roles are under-researched, highlighting the need for a better understanding of the epithelial and mesenchymal interactions that drive development.
  • This study identified specific genes involved in bladder and urethra development in mice, revealing differences in gene expression patterns related to sex and offering insights for future regenerative therapies.
View Article and Find Full Text PDF

Background: Local relapse has not been eradicated even in the era of total mesorectum excision. Although various approaches have been attempted, R0 resection remains the only potentially curative treatment. PATIENT AND METHODS: A 45-year-old woman with a history of laparoscopic abdominoperineal resection was diagnosed with pelvic recurrence 7 months ago.

View Article and Find Full Text PDF

Background: We aimed to assess the rates of urethral stricture in transplant recipients, analyse patients with urethral strictures and present the posttreatment follow-up outcomes.

Methods: Between 2004 and 2023, a retrospective examination was conducted on kidney transplant recipients who underwent removal of ureteral catheters through retrograde cystoscopy at our facility or referred from external centres. The collected data encompassed patient demographics, pre- and posttransplant maximum urinary flow rate, specifics of stenosis, surgical interventions and outcomes from a 1-year follow-up.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!