نتایج جستجو برای: radiofrequency spectrum
تعداد نتایج: 241794 فیلتر نتایج به سال:
OBJECTIVE To assess the use of radiofrequency myringotomy in combination with mitomycin C as an alternative myringotomy technique on rabbits. STUDY DESIGN Experimental animal research protocol. SETTING University of Crete, School of Medicine, Medical Experimental Education and Research Center. METHODS Radiofrequency myringotomies were performed under general anesthesia on both ears of 20 ...
Radiofrequency ablation of the atrioventricular (AV) junction may be performed using either a right- or left-sided approach. This study prospectively compared the left-sided approach with persistent attempts from the right side in patients in whom initial radiofrequency applications on the right side were unsuccessful. Twenty-one of 54 patients did not have complete AV block induced after 3 rig...
1. Minami Y, Kudo M. Radiofrequency ablation of liver metastases from colorectal cancer: a literature review. Gut Liver. 2013;7:1–6. 2. Razafindratsira T, Isambert M, Evrard S. Complications of intraoperative radiofrequency ablation of liver metastases. HPB (Oxford). 2011;13:15–23. 3. Frich L, Hol PK, Roy S, Mala T, Edwin B, Clausen OP, et al. Experimental hepatic radiofrequency ablation using ...
The cost of definitive therapy was compared in 25 patients who underwent radiofrequency catheter ablation of accessory pathways in 1990 and 25 patients who underwent surgical ablation of accessory pathways in 1989. In the radiofrequency group, 23 of 25 patients had a single accessory pathway and the remaining 2 patients each had 2 accessory pathways. In the surgical group, 20 patients had a sin...
BACKGROUND Radiofrequency-generating energy devices have been used clinically in musculoskeletal procedures to provide hemostasis and capsular shrinkage (thermal capsulorrhaphy). However, the dose-effects are not well known. QUESTIONS/PURPOSES We therefore determined dosage effects of radiofrequency energy on bone, skin incisions, and joint capsule in sheep. METHODS Five mature sheep had si...
Herein, we present a novel imaging platform to study the biological effects of non-invasive radiofrequency (RF) electric field cancer hyperthermia. This system allows for real-time in vivo intravital microscopy (IVM) imaging of radiofrequency-induced biological alterations such as changes in vessel structure and drug perfusion. Our results indicate that the IVM system is able to handle exposure...
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