How to Perform FANS: A Step-by-Step Guide
COURSE DESCRIPTION
This session provides a comprehensive step-by-step guide on the Flexible and Navigable Suction Ureteral Access Sheath (FANS) in ureteroscopy. Dr. Kremena Petkova will discuss the indications, patient preparation, and optimal surgical techniques for FANS placement and usage. The session will cover essential aspects such as operating room setup, insertion techniques, stone disintegration strategies, and suction of fragments. Additionally, Dr. Petkova will highlight key precautions to ensure patient safety and procedural success.
LEARNING OUTCOMES
By the end of this session, participants will be able to:
- Identify the indications for using FANS in flexible ureteroscopy.
- Prepare patients effectively, including preoperative considerations and antibiotic prophylaxis.
- Set up the operating room with the necessary instruments and equipment for FANS procedures.
- Master the step-by-step technique of FANS insertion and navigation.
- Understand stone disintegration techniques and how FANS facilitates efficient fragment suction.
- Recognize key precautions to minimize complications and optimize patient outcomes.
Lesson1.1 | Introduction | |
Lesson1.2 | Indications | |
Lesson1.3 | Patient preparation | |
Lesson1.4 | OR setting | |
Lesson1.5 | Operating technique and FANS insertion | |
Lesson1.6 | Stone disintegration and suction of fragments | |
Lesson1.7 | Precaution | |
Lesson1.8 | Conclusion |

Instructor
Dr. Kremena Petkova
Assoc. Prof. Kremena Petkova graduated from Medical University of Sofia in 2008 and completed her residency in urology at Military Medical Academy in Sofia, Bulgaria. In 2015 she obtained a PhD degree from Military Medical Academy in Sofia, Bulgaria for her thesis on “Endoscopic combined intrarenal surgery in Galdakao-modified supine Valdivia position for the treatment of complex urolithiasis”. She was appointed as Associate professor of Urology at the Department of Urology and Nephrology at Military Medical Academy in Sofia, Bulgaria in 2020. Her professional interests are in the area of minimally invasive urology, endourology and stone disease. Her professional qualifications include multiple courses and fellowships in Bulgaria, Europe and Asia. She is a member of the European Association of Urology (EAU), American Urological Association (AUA), International Alliance of Urolithiasis (IAU), South-Eastern European Group of Urolithiasis Research (SEGUR) and the EULIS Collaborative Research Group (eCORE).
Assoc. Prof. Petkova has authored more than 100 publications in Bulgarian and International scientific journals and books. She is a member of the editorial board of the Bulgarian Journal of Endourology and Minimally Invasive Surgery
Assoc. Prof. Petkova is responsible for teaching medical students and training residents in urology. She is taking part in the postgraduate training in endourology and urolithiasis at the Department of Urology and Nephrology at Military Medical Academy in Sofia, Bulgaria. Currently, she is actively participating in multiple International research and educational projects.