Topical glyceryl trinitrate to increase radial artery diameter in neonates: study protocol for a randomized controlled trial
Deepika Wagh, Dinesh Pawale, Sanjay Patole, Shripada Rao, Deepika Wagh, Dinesh Pawale, Sanjay Patole, Shripada Rao

TL;DR
This study will test if a topical nitrate cream can help increase artery size in newborns to make blood sampling easier.
Contribution
The first randomized controlled trial to evaluate topical glyceryl trinitrate for neonatal radial artery cannulation.
Findings
Topical glyceryl trinitrate may increase radial artery diameter in neonates.
The study will assess safety outcomes like hypotension and methemoglobinemia.
Results could lead to larger multicenter trials if successful.
Abstract
Newborn infants admitted to the neonatal intensive care unit require arterial cannulation for hemodynamic monitoring and blood sampling. Arterial access is achieved through catheterization of umbilical or peripheral arteries. Peripheral artery cannulation is performed in critically ill newborns, but artery localization and cannulation is often challenging and unsuccessful. Therefore, increasing the internal diameter and preventing vasospasm are important for successful peripheral artery cannulation in neonates. Topical glyceryl trinitrate has the potential to increase cannulation success by relaxing arterial smooth muscles and thus increasing the internal diameter. We aim to conduct a pilot randomized controlled trial to evaluate the efficacy and safety of topycal glyceryl trinitrate in increasing the diameter of the radial artery in neonates. This study will be a single-center,…
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Taxonomy
TopicsVascular Procedures and Complications · Central Venous Catheters and Hemodialysis · Coronary Artery Anomalies
