Reducing tumescent anesthetic injection pain by topical anesthesia pretreatment among patients undergoing endovenous radiofrequency ablation of varicose veins: A double-blind randomized controlled trial.

Objectives: Tumescent anesthesia frequently causes the intraoperative and postoperative pain during radiofrequency ablation (RFA) of varicose veins. We have to find a way to reduce pain caused by these injections. This randomized controlled trial investigated the effectiveness of topical anesthesia pretreatment (TAP) on relieving needle puncture pain during administration of tumescent anesthesia among patients undergoing RFA of varicose veins.

Clinical and angiographic outcomes of stent-assisted coiling of paraclinoid aneurysms: Comparison of LVIS and Neuroform stents.

Paraclinoid aneurysms are mainly intradural, and are associated with a potential risk of subarachnoid hemorrhage (SAH). The application of stent-assisted coiling has been widely used in endovascular treatment of intracranial aneurysms. Here we aimed to compare clinical outcomes between low-profile visualized intraluminal support stents (LVIS) and Neuroform (NU) stents.