A Multi-institutional Review of Single-access Percutaneous Nephrolithotomy for Complex Staghorn Stones.

Background: With the heterogeneous distribution of novel surgical technologies and variable physician training, there is a need to re-evaluate contemporary outcomes of percutaneous nephrolithotomy (PCNL) for complex staghorn stones.

Objective: To evaluate contemporary outcomes of guideline-supported treatment for patients with staghorn kidney stones using single-access PCNL in multiple North American centers.

Design, Setting And Participants: We performed a multi-institutional retrospective review of staghorn stones managed from January 1, 2017 to January 1, 2019, inclusive.

Hybrid guidewires: Analysis and comparison of the mechanical properties and safety profiles.

Introduction: Hybrid guidewires are commonly used in urology due to the advantage of an atraumatic hydrophilic tip, which facilitates negotiating tight areas, coupled with an unkinkable nitinol core shaft that is easy to work over due to the Teflon coating. Our aim was to compare the physical and mechanical properties of five commercially available hybrid guidewires to assess their characteristics and functionality.

Methods: In vitro testing was performed on the following straight-tipped 0.

Complications, Re-Intervention Rates, and Natural History of Residual Stone Fragments After Percutaneous Nephrolithotomy.

Introduction: The management of residual fragments (RFs) that persist after percutaneous nephrolithotomy (PCNL) has been poorly studied. Fragments have the potential to grow or cause symptoms. The aim of this study was to follow patients with fragments after PCNL to identify predictors of stone-related events (re-interventions and complications) after PCNL.

Validity of Simplified Versus Standard Self-Report Measures of Pain Intensity in Preschool-Aged Children Undergoing Venipuncture.

Unlabelled: There are inadequate age-specific data to support the use of current self-report pain scales in 3- and 4-year-old children. Most preschool-aged children also lack the necessary cognitive development to use standard scales. We aimed to evaluate the validity and feasibility of 2 novel simplified scales (Simplified Faces Pain Scale, S-FPS; Simplified Concrete Ordinal Scale, S-COS) for preschool-aged children.

Confronting the challenges of effective pain management in children following tonsillectomy.

Tonsillectomy is an extremely common surgical procedure associated with significant morbidity and mortality. The post-operative challenges include: respiratory complications, post-tonsillectomy hemorrhage, nausea, vomiting and significant pain. The present model of care demands that most of these children are managed in an ambulatory setting.