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A comparison of the FREDDY and holmium lasers during ureteroscopic lithotripsy by Jennifer Yates; August Zabbo; Gyan Pareek is a Medicine article available to read on EtoBox.

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## Abstract ## Background and Objective Two laser devices that are used today in endoscopic treatment of renal and ureteral calculi are the frequency‐doubled double‐pulse neodynium:YAG (FREDDY) and Holmium:YAG lasers. The mechanism of action of these lasers differs, thus conferring potentially different safety and efficacy profiles. The in vitro efficacy of these lasers in treating urinary stones has been explored, but to our knowledge no study compares the in vivo efficacy. The purpose of this study is to compare the stone‐free and complication rates of the FREDDY and holmium lasers. ## Study Design/Materials and Methods Subjects were included in the study (from January 2004 to September 2006) if they had adequate documentation of stone size and location, postoperative stone burden, and perioperative complications. Stone‐free status was determined based on intraoperative findings and postoperative imaging. Complications included bleeding, ureteral perforation, any intraoperative event necessitating termination of the procedure, ureteral stricture, hydronephrosis, and admission to the hospital with a diagnosis related to the procedure. ## Results Sixty patients with adequate follow

Who reads A comparison of the FREDDY and holmium lasers during ureteroscopic lithotripsy?

Author

Jennifer Yates; August Zabbo; Gyan Pareek

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0196-8092)

Published

2007

Language

EN

Field

Medicine (Health Sciences)