Laparoscopy hepatic biopsy through cauterization
نویسندگان
چکیده
منابع مشابه
Radiofrequency cauterization with biopsy introducer needle.
PURPOSE The principal risks of needle biopsy are hemorrhage and implantation of tumor cells in the needle tract. This study compared hemorrhage after liver and kidney biopsy with and without radiofrequency (RF) ablation of the needle tract. MATERIALS AND METHODS Biopsies of liver and kidney were performed in swine through introducer needles modified to allow RF ablation with the distal 2 cm o...
متن کاملA biopsy tool with integrated piezoceramic elements for needle tract cauterization and cauterization monitoring.
This paper reports the feasibility of biopsy needle tract cauterization and cauterization monitoring using an embedded array of piezoceramic microheaters. Circular heaters of lead zirconate titanate (PZT-5A), with 200 μm diameter and 70-80 μm thickness, are fabricated using a batch mode micro ultrasonic machining process. These are then assembled into cavities in the walls of 20-gauge stainless...
متن کاملIn Situ Monitoring of Cauterization with a Biopsy Needle Using Impedance Characteristics of Embedded Piezothermal Elements
This paper presents a method for monitoring biological tissue cauterization using the variation in the electromechanical impedance characteristics of the piezothermal heating elements used for tissue ablation. Piezoelectric ultrasonic heaters microfabricated from lead zirconate titanate (PZT) with 200 μm diameter and 100 μm thickness are embedded in a 20-gauge biopsy needle. A modified Butterwo...
متن کاملEffects of prolonged pneumoperitoneum on hepatic perfusion during laparoscopy.
OBJECTIVE To assess the influence of prolonged pneumoperitoneum (PP) on liver function and perfusion in a clinically relevant porcine model of laparoscopic abdominal insufflation. BACKGROUND PP during laparoscopic surgery produces increased intra-abdominal pressure, which potentially influences hepatic function and microcirculatory perfusion. METHODS Six pigs (49.6 ± 5.8 kg) underwent lapar...
متن کاملPhenol cauterization for ingrown toenails.
A new clinic was set up to deal with all toenail problems referred to a large general hospital. Ingrowing toenails were the commonest problem dealt with and phenol cauterization, either partial or complete, was the standard form of treatment. Over a 2-year period 1013 phenol cauterizations were carried out on 631 patients. After a minimum of 12 months follow-up, the recurrence rate was 2.96%. A...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Ciência Rural
سال: 2003
ISSN: 0103-8478
DOI: 10.1590/s0103-84782003000400019