نتایج جستجو برای: radiofrequency spectrum
تعداد نتایج: 241794 فیلتر نتایج به سال:
BACKGROUND To evaluate the potential effects of irreversible electroporation ablation on the Achilles tendon in a rabbit model and to compare the histopathological and biomechanical changes between specimens following electroporation ablation and radiofrequency ablation. METHODS A total of 140 six-month-old male New Zealand rabbits were used. The animals were randomly divided into two groups,...
Radiofrequency cautery is widely used in minor surgery. However, it has not been considered to fit for major surgery. Herein, we report two cases of pneumothorax surgery using lowthermal coagulation by this general-purpose radiofrequency cautery device. Case 1: A 47-year-old male underwent bullectomy with a general radiofrequency cautery. We used Elleman® Surgitron PellevéTM S5 (Elleman Interna...
Fractional Erbium:Glass 1550nm laser is a fractional photothemolysis (FP) laser with high effectiveness in atrophic acne scars treatment. Recently, fractional bipolar radiofrequency (RF) has been introduced to improve the efficacy and reduce side effects of the FP. Objective: The objective of the study was to compare the effectiveness and side effects of fractional bipolar radiofrequency with f...
BACKGROUND The relationship between focal pulmonary vein potential and atrial fibrillation (AF) has been confirmed. Pulmonary vein (PV) isolation and circumferential pulmonary vein ablation have been the most commonly used procedures of radiofrequency ablation. However, few studies have investigated the relationship between anatomical characteristics of PV and AF recurrences after radiofrequenc...
BACKGROUND Degenerative spondylolisthesis is one of the major causes for low back pain. Morphological abnormalities of the zygapophysial joints are a predisposing factor in the development of degenerative spondylolisthesis. Therefore, radiofrequency neurotomy seems to be a rational therapy. OBJECTIVES To determine if radiofrequency neurotomy is effective for patients with low back pain and de...
Ablation of the atrioventricular junction with radiofrequency energy using a new electrode catheter.
Percutaneous catheter ablation using radiofrequency energy can be used to interrupt atrioventricular (AV) conduction in patients with supraventricular tachycardia refractory to drugs. Results of radiofrequency ablation of the AV junction using a custom-designed catheter with a large, 3-mm-long distal electrode, 2-mm interelectrode spacing, and a shaft with increased torsional rigidity were comp...
Laparoscopic radiofrequency ablation of uterine leiomyomas with a new Federal Drug Administration (FDA)-approved device, a device that delivers radiofrequency energy, is a novel procedure that aims to meet patient and physician demand for effective, minimally invasive leiomyoma treatment. However, as a new procedure, the durability of symptom relief, the safety in widespread use, and ultimately...
it has been suggested that prf might possibly have an effect on the immune cells. we considered using the intravenous route to apply prf in conditions that are caused by an unresolved immune action or connected to allostatic load, implicating an abnormally reacting immune system to obtain a systemic effect that could possibly be an additional tool in treating some of these conditions. these man...
ferritin is a macromolecule and is responsible for the long term iron storage function in human serum and plasma. recent studies have highlighted the role of cell phone exposure on central nervous system, immune function and reproduction. the aim of this study was to investigate whether the human serum ferritin level could be interfered by the exposure to the 900 mhz gsm cell phones. fifty huma...
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