AIM: To compare radiofrequency ablation (RFA) and transcatheter arterial chemoembolization (TACE) with RFA monotherapy in hepatocellular carcinoma (HCC).
OBJECTIVE. Balloon-occluded retrograde transvenous obliteration has been traditionally based on liquid sclerotherapy. However, overdose and systemic spillage of liquid sclerosant can cause severe complications, such as hemolysis, which lead to hemoglobinuria, allergy, acute respiratory distress syndrome, and other disorders. The purpose of this study was to evaluate the performance of foam sclerotherapy with C-arm CT guidance to reduce the amount of sclerosant and to optimize the safety of balloon-occluded retrograde transvenous obliteration while preserving its efficacy.
Inferior vena cava (IVC) filters have proven valuable for the prevention of primary or recurrent pulmonary embolism in selected patients with or at high risk for venous thromboembolic disease. Their use has become commonplace, and the numbers implanted increase annually. During the last 3 years, in the United States, the percentage of annually placed optional filters, i.e., filters than can remain as permanent filters or potentially be retrieved, has consistently exceeded that of permanent filters. In parallel, the complications of long- or short-term filtration have become increasingly evident to physicians, regulatory agencies, and the public. Most filter removals are uneventful, with a high degree of success. When routine filter-retrieval techniques prove unsuccessful, progressively more advanced tools and skill sets must be used to enhance filter-retrieval success. These techniques should be used with caution to avoid damage to the filter or cava during IVC retrieval. This review describes the complex techniques for filter retrieval, including use of additional snares, guidewires, angioplasty balloons, and mechanical and thermal approaches as well as illustrates their specific application.
AIM: To determine whether an active intervention is beneficial for the survival of elderly patients with hepatocellular carcinoma (HCC).
OBJECTIVE. The purpose of this study was to investigate the immediate and long-term outcomes after fluoroscopically guided balloon dilation of esophageal strictures in a series of patients with dystrophic epidermolysis bullosa (DEB).
The use of direct-acting antiviral agents (e.g., telaprevir, boceprevir) has improved response rates in patients with hepatitis C virus (HCV) genotype 1 infections. Substantial number of drug-drug interactions are anticipated with the use of telaprevir, a cytochrome P450 3A and P-glycoprotein substrate and inhibitor. Herein we describe a patient with HCV-associated hepatocellular carcinoma treated simultaneously with a telaprevir-containing regimen and localized chemotherapy (transcatheter arterial chemoembolization) with doxorubicin. No clinically relevant interactions or adverse events developed while on antiviral therapy.
Purpose: To assess early response to transarterial chemoembolization by using volumetric functional magnetic resonance (MR) imaging in patients with islet cell liver metastases (ICLMs).
Purpose: Renal denervation (RDN) emerged as an innovative interventional antihypertensive therapy. With the exception of pretreatment blood pressure (BP) level, no other clear predictor for treatment efficacy is yet known. We analyzed whether the presence of multiple renal arteries has an impact on BP reduction after RDN.
Purpose: To determine whether dynamic contrast material–enhanced (DCE) computed tomography (CT) can help identify hepatic tumor perfusion response to vascular remodeling induced by antiangiogenesis treatment in a rabbit model.
The purpose of this study was to present our experience with guiding catheters in manual aspiration thrombectomy of occluded infra-aortic bypass grafts. This material was designed as a guiding catheter but was also used for thrombus aspiration. Six consecutive patients (all male; mean age, 61.0±5.7 years; range, 54–68 years) who underwent manual aspiration thrombectomy at the discretion of the operator for infra-aortic bypass graft thrombosis between 2002 and 2010 were retrospectively reviewed. The angiographic success described as either stenosis or residual thrombus less than 30% was 67%. Primary patency was 50%, and secondary patency was 66.7%. Additional stents were needed in four lesions of three patients. Manual aspiration thrombectomy is intended to remove both soft acute blood clots and hard organized embolic and thrombotic obstructions. Manual aspiration thrombectomy appears to be a safe and effective method for treating delayed graft thrombosis. This method provides an alternative to surgical thrombectomy, especially for patients who are not good candidates for the surgery.
PURPOSE: We aimed to retrospectively evaluate the computed tomography (CT) and magnetic resonance imaging (MRI) findings of patients with osteoid osteoma treated with CT-guided radiofrequency ablation (RFA) along with the clinical outcome and long-term success.
Delayed liver laceration following transjugular intrahepatic portosystemic shunt (TIPS) is a serious and likely underdiagnosed complication. It is however an important complication following TIPS, which remains one of the most technically challenging interventional procedures performed. In addition to laceration, a number of complications regarding bleeding and perforation are well described following TIPS procedures. We feel the adoption of techniques such as ours and that of other authors described in the literature using an ultrasound-guided percutaneous transhepatic approach with a small caliber needle provides a safer and less traumatic procedure and should reduce complications of bleeding and almost completely eliminate the risk of liver laceration. Our procedure was successfully performed under conscious sedation rather than general anaesthesia further reducing the overall procedural risk to the patient.
Objectives: This study investigated the feasibility of noninvasive renal sympathetic denervation (RSD) by using the novel approach of extracorporeal high-intensity focused ultrasound (HIFU).
AIM: To analyze the epidemiology, clinical characteristics, treatment patterns and outcome in hepatocellular carcinoma (HCC) patients.
We report a case of life-threatening hematemesis due to portal hypertension caused by an isolated arterioportal fistula (APF). Intrahepatic APFs are extremely rare and are a cause of presinusoidal portal hypertension. Etiologies for APFs are comprised of precipitating trauma, malignancy, and hereditary hemorrhagic telangiectasia, but these were not the case in our patient. Idiopathic APFs are usually due to congenital vascular abnormalities and thus usually present in the pediatric setting. This is one of the first cases of adult-onset isolated APF who presented with portal hypertension and was successfully managed through endoscopic hemostasis and subsequent interventional radiological embolization.
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