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REVIEWS  ADVANCED TOPICS IN THE TREATMENT OF LARGE RENAL STONES 

Minerva Urologica e Nefrologica 2015 December;67(4):347-54

Copyright © 2015 EDIZIONI MINERVA MEDICA

lingua: Inglese

Minimizing radiation exposure during percutaneous nephrolithotomy

Chen T. T. 1, Preminger G. M. 2, Lipkin M. E. 2

1 School of Medicine, Duke University Medical Center, Durham, NC, USA; 2 Division of Urology, Department of Surgery, Duke University Medical Center, Durham, NC, USA


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Given the recent trends in growing per capita radiation dose from medical sources, there have been increasing concerns over patient radiation exposure. Patients with kidney stones undergoing percutaneous nephrolithotomy (PNL) are at particular risk for high radiation exposure. There exist several risk factors for increased radiation exposure during PNL which include high Body Mass Index, multiple access tracts, and increased stone burden. We herein review recent trends in radiation exposure, radiation exposure during PNL to both patients and urologists, and various approaches to reduce radiation exposure. We discuss incorporating the principles of As Low As reasonably Achievable (ALARA) into clinical practice and review imaging techniques such as ultrasound and air contrast to guide PNL access. Alternative surgical techniques and approaches to reducing radiation exposure, including retrograde intra-renal surgery, retrograde nephrostomy, endoscopic-guided PNL, and minimally invasive PNL, are also highlighted. It is important for urologists to be aware of these concepts and techniques when treating stone patients with PNL. The discussions outlined will assist urologists in providing patient counseling and high quality of care.

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