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    5579 results match your criteria Cardiovascular and Interventional Radiology[Journal]

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    CT Angiography in the Lower Extremity Peripheral Artery Disease Feasibility of an Ultra-Low Volume Contrast Media Protocol.
    Cardiovasc Intervent Radiol 2018 May 22. Epub 2018 May 22.
    Department of Radiology and Nuclear Medicine, Maastricht University Medical Center+, P. Debyelaan 25, PO Box 5800, 6202 AZ, Maastricht, The Netherlands.
    Purpose: The ALARA principle is not only relevant for effective dose (ED) reduction, but also applicable for contrast media (CM) management. Therefore, the aim was to evaluate the feasibility of an ultra-low CM protocol in the assessment of peripheral artery disease (PAD).

    Materials And Methods: Fifty PAD patients were scanned on third-generation dual-source computed tomography, from diaphragm to the forefoot, as follows: tube voltage: 70 kV, reference effective tube current: 90 mAs, collimation: 192 × 2 × 0. Read More

    The Interventional Radiology (IR) Gender Gap: A Prospective Online Survey by the Cardiovascular and Interventional Radiological Society of Europe (CIRSE).
    Cardiovasc Intervent Radiol 2018 May 22. Epub 2018 May 22.
    Diagnostic and Interventional Radiology Department, St. George's University Hospitals NHS Foundation Trust, Blackshaw Road, Tooting, London, SW17 0QT, UK.
    Aim: A prospective online survey was conducted by the Cardiovascular Interventional Radiological Society of Europe (CIRSE) to evaluate the gender gap within interventional radiology (IR) and the barriers facing women in IR.

    Materials And Methods: A questionnaire ("Appendix") was devised by the authors and the CIRSE communication and publication team and sent electronically to 750 identifiable female members of CIRSE. Responses were collected from 7 August to 24 August 2017. Read More

    New Implant-Based Technologies in the Spine.
    Cardiovasc Intervent Radiol 2018 May 22. Epub 2018 May 22.
    2nd Radiology Department, Medical School, University General Hospital "ATTIKON", National and Kapodistrian University of Athens, 1 Rimini str, 12462, Haidari/Athens, Greece.
    Vertebral compression fractures (VCFs) may result in a kyphotic deformity which can cause potential systemic complications secondary to respiratory and gastrointestinal dysfunction. The use of implants in the spine for VCF treatment represents a paradigm shift away from cement injection on its own, aiming to combine the analgesic and stabilizing effect of injecting cement into the vertebral body with vertebral height restoration and kyphotic angle correction. Spine implants which can be used for VCF treatment include stents, jacks, PEEK cages and fracture reduction systems. Read More

    Endovascular Thrombectomy for Large-Vessel Occlusion Strokes with Preexisting Intracranial Aneurysms.
    Cardiovasc Intervent Radiol 2018 May 22. Epub 2018 May 22.
    Department of Cerebrovascular, Center of the Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Weiwu Road No. 7, Zhengzhou, NC, 450003, China.
    Objective: This study aimed to investigate the safety of endovascular thrombectomy in acute ischemic stroke with preexisting intracranial aneurysms.

    Methods: Patients with acute ischemic stroke due to large-artery occlusion combined with intracranial aneurysms, who received endovascular treatment, were analyzed retrospectively, and the procedure-related data were recorded.

    Results: Among the 124 patients who suffered acute large-artery occlusion and received endovascular recanalization therapy, intracranial aneurysms were found in seven patients (5. Read More

    Prophylactic Placement of Internal Iliac Balloons in Patients with Abnormal Placental Implantation: Maternal and Foetal Outcomes.
    Cardiovasc Intervent Radiol 2018 May 18. Epub 2018 May 18.
    Department of Radiology, Cork University Hospital, Wilton, Cork, Ireland.
    Purpose: To report on outcomes following the use of prophylactic internal iliac artery occlusion balloons in patients with abnormal placental implantation.

    Methods: A retrospective analysis was undertaken of patients with abnormal placental implantation who underwent prophylactic iliac balloon placement prior to delivery in a University Maternity Hospital. Various clinical and technical factors were analysed, including technical success of balloon placement, blood loss and number of blood units transfused, duration of surgery, length of stay, hysterectomy rates, complications related to the balloon insertion, foetal pH and infant Apgar scores. Read More

    Correction to: Risk Prediction of New Adjacent Vertebral Fractures After PVP for Patients with Vertebral Compression Fractures: Development of a Prediction Model.
    Cardiovasc Intervent Radiol 2018 May 16. Epub 2018 May 16.
    Department of Radiology, Medical School, Zhongda Hospital, Southeast University, 87 DingjiaqiaoRoad, Nanjing, 210009, China.
    The following information in bold type should be added to the Acknowledgements section. Read More

    Pulmonary Thermal Ablation Enables Long Chemotherapy-Free Survival in Metastatic Colorectal Cancer Patients.
    Cardiovasc Intervent Radiol 2018 May 15. Epub 2018 May 15.
    Department of Interventional Radiology, Institut Bergonié, 229 Cours de L'Argonne, 33000, Bordeaux, France.
    Background: Chemotherapy (ct) is the preferred treatment option in metastatic colorectal cancer (mCRC). The objective of the study was to determine the overall survival (OS), disease-free survival (DFS) and ct-free survival (CFS) of pulmonary thermal ablation (TA) and its place in the treatment of mCRC.

    Patients And Methods: All consecutive patients treated (over 11 years) with percutaneous TA for lung metastasis of colorectal origin were reviewed. Read More

    Y Resin Microspheres Radioembolization for Colon Cancer Liver Metastases Using Full-Strength Contrast Material.
    Cardiovasc Intervent Radiol 2018 May 15. Epub 2018 May 15.
    Interventional Radiology Service, Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA.
    Objectives: To assess safety and efficacy of Y resin microspheres administration using undiluted non-ionic contrast material (UDCM) {100% Omnipaque-300 (Iohexol)} in both the "B" and "D" lines.

    Materials And Methods: We reviewed all colorectal cancer liver metastases patients treated with Y resin microspheres radioembolization (RAE) from 2009 to 2017. As of April 2013, two experienced operators started using UDCM (study group) instead of standard sandwich infusion (control group). Read More

    Trans Arterial Embolization of Non-variceal Upper Gastrointestinal Bleeding: Is the Use of Ethylene-Vinyl Alcohol Copolymer as Safe as Coils?
    Cardiovasc Intervent Radiol 2018 May 10. Epub 2018 May 10.
    Department of Radiology, Sant'Andrea University Hospital La Sapienza, Rome, Italy.
    Purpose: The safety of liquid embolics over the conventional coils for the treatment of non-variceal upper gastrointestinal bleeding (UGIB) approach is still unclear. Purpose of this study is to assess the safety of ethylene-vinyl alcohol copolymer (EVOH 6%) over coils in the treatment of UGIB.

    Materials And Methods: All the upper gastrointestinal tract embolization procedures performed in a single center in a 6-year period were reviewed. Read More

    The Safety and Efficacy of Oxycodone Versus Fentanyl in Percutaneous Microwave Ablation of a Liver Tumour Abutting the Capsule.
    Cardiovasc Intervent Radiol 2018 May 8. Epub 2018 May 8.
    Department of Radiology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, China.
    Purpose: The present study compared the safety and efficacy of oxycodone with those of fentanyl under non-intubated general anaesthesia in percutaneous microwave ablation (MWA) of a liver tumour abutting the capsule.

    Materials And Methods: Thirty-eight patients underwent MWA of liver cancers abutting the capsule. Patients received 0. Read More

    Radioembolisation in Europe: A Survey Amongst CIRSE Members.
    Cardiovasc Intervent Radiol 2018 May 8. Epub 2018 May 8.
    Department of Radiology and Nuclear Medicine, University Medical Centre Utrecht (UMCU), House Post No. E01.132, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands.
    Introduction: Radioembolisation of liver tumours demands many choices from the physician regarding planning of treatment and subsequent follow-up.

    Methods: An online questionnaire was distributed amongst all members of the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) to investigate the current state of radioembolisation practice.

    Results: The survey was completed by 60 centres. Read More

    Percutaneous Embolization of a Pulmonary Vein Pseudoaneurysm Secondary to Vascular Erosion of a Metastatic Mass.
    Cardiovasc Intervent Radiol 2018 May 4. Epub 2018 May 4.
    Department of Radiology, Interventional Radiology and Image Guided Intervention Service, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY, 10065, USA.
    Fifty-two-year-old female with high-grade undifferentiated pleomorphic left thigh sarcoma and bilateral metastatic soft tissue lesions to the lungs consistent with metastases, presented with recurrent, anemia, and worsening hemoptysis. Cross-sectional imaging demonstrated erosion of a right lower lobe metastatic mass into an adjacent right inferior lower lobe pulmonary vein with formation of a pseudoaneurysm. We report the successful treatment of this pseudoaneurysm via direct image-guided percutaneous access with subsequent coil embolization. Read More

    Custom-Made Endograft for Endovascular Repair of Thoraco-Abdominal Aneurysm and Type B Dissection: Single-Centre Experience.
    Cardiovasc Intervent Radiol 2018 May 3. Epub 2018 May 3.
    Vascular and Interventional Radiology Unit, Azienda Ospedaliera Universitaria Senese, Viale Mario Bracci, 16, 53100, Siena, Italy.
    Aims: To report a series of patients treated with the Jotec custom-made endograft for thoraco-abdominal aneurysms and dissections and identify predictive factors for re-intervention.

    Methods: We retrospectively analysed 49 patients unsuitable for surgery, treated between 2011 and 2017 (71.3 ± 9. Read More

    Vena Cava Filter Retrieval with Aorto-Iliac Arterial Strut Penetration.
    Cardiovasc Intervent Radiol 2018 May 3. Epub 2018 May 3.
    Division of Acute Care Surgery, Department of Surgery, Carolinas Medical Center, Medical Education Building 6th Floor, 1000 Blythe Boulevard, Charlotte, NC, 28203, USA.
    Purpose: To evaluate the safety and technical success of inferior vena cava (IVC) filter retrieval in the setting of aorto-iliac arterial strut penetration.

    Materials And Methods: IVC filter registries from six large United States IVC filter retrieval practices were retrospectively reviewed to identify patients who underwent IVC filter retrieval in the setting of filter strut penetration into the adjacent aorta or iliac artery. Patient demographics, implant duration, indication for placement, IVC filter type, retrieval technique and technical success, adverse events, and post procedural clinical outcomes were identified. Read More

    Endovascular Aneurysm Sealing (EVAS) Alone or in Combination with Chimney Grafts (chEVAS) for Treating Complications of Previous Endovascular Aneurysm Repair (EVAR) Procedures.
    Cardiovasc Intervent Radiol 2018 May 3. Epub 2018 May 3.
    Liverpool Vascular and Endovascular Service, Royal Liverpool University Hospital, Prescott Street, Liverpool, L7 8XP, UK.
    Objective: Late complications after previous endovascular aneurysm repair (EVAR) procedures include type I/III endoleaks causing aneurysm growth and rupture. We reviewed our results from the management of such complications with endovascular aneurysm sealing (EVAS) techniques.

    Methods: Analysis of our prospectively maintained aneurysm database was performed (December 2013-May 2017). Read More

    Image-Guided Thermal Ablation for Non-resectable Recurrence of Renal Cell Cancer Following Nephrectomy: Clinical Experience with Eleven Patients.
    Cardiovasc Intervent Radiol 2018 May 2. Epub 2018 May 2.
    Department of Radiology, Division of Interventional Radiology, Harvard Medical School, Massachusetts General Hospital, 55 Fruit Street, GRB 293, Boston, MA, 02114, USA.
    Purpose: To assess the feasibility, safety and clinical outcomes of image-guided percutaneous thermal ablation as salvage therapy for local recurrence of renal cell carcinoma (RCC) in patients initially treated surgically with curative intent.

    Materials And Methods: A retrospective review of 11 consecutive patients (M/F = 8:3, mean age = 76 years) who underwent computed tomography (CT)-guided thermal ablation for locally recurrent RCC after partial (72%, 8/11) or radical nephrectomy (28%, 3/11) with a mean time to recurrence of 48 months (range 2-156). Assessment of technical success, complication (peri- and post-procedural), oncological outcome and survival analysis were performed. Read More

    Successful Balloon-Assisted Hepatic Tract Embolization Using the Pull-Through Technique to Remove a Malpositioned Chest Tube Penetrating the Liver and into the Right Ventricle.
    Cardiovasc Intervent Radiol 2018 May 1. Epub 2018 May 1.
    Department of Emergency and Critical Care Medicine, National Hospital Organization, Kyoto Medical Center, 1-1 Fukakusa, Mukaihata-cho, Fushimi-ku, Kyoto, 612-8555, Japan.
    Intra-abdominal injury is an uncommon complication of chest tube insertion. A 66-year-old man had empyema and underwent chest tube insertion for drainage. Massive hemorrhage occurred; the postprocedural radiograph showed the malpositioned chest tube in the mediastinum. Read More

    Branched Thoraco-Abdominal Aortic Aneurysm Repair with Branch Access Through a Transapical Left Ventricular Approach.
    Cardiovasc Intervent Radiol 2018 Apr 27. Epub 2018 Apr 27.
    Interventional Radiology, Addenbrookes Hospital, Hills Road, Cambridge, CB2 0QQ, UK.
    Branched thoracic aortic aneurysm repair requires arterial access from above the diaphragm in order to insert the visceral branches. This is routinely performed from the subclavian, axillary or carotid arteries and less commonly direct thoracic aorta puncture. The left ventricular apex is an alternative access route which is commonly used for percutaneous aortic valve replacement and rarely used for EVAR, FEVAR and TEVAR access. Read More

    Total Endovascular Iliocaval Reconstruction Using Polytetrafluoroethylene Stent-Graft Placement for the Treatment of Inferior Vena Cava Resection.
    Cardiovasc Intervent Radiol 2018 Apr 27. Epub 2018 Apr 27.
    Department of Radiology, Division of Vascular and Interventional Radiology, University of Michigan Health Systems, 1500 East Medical Center Drive, Ann Arbor, MI, 48109, USA.
    Resection of the inferior vena cava (IVC) is a rare surgical technique that is occasionally combined with nephrectomy in the setting of renal malignancy with intravascular tumor extension. While this may be fairly well tolerated in some patients due to extensive collateralization in the venous system, there is a clear potential for lower extremity venous insufficiency and deep vein thrombosis (DVT). This report describes a patient who underwent right nephrectomy and segmental IVC resection from the subhepatic space to the iliac confluence, which was complicated by profoundly symptomatic lower extremity DVT and gastrointestinal hemorrhage due to system-to-portal shunting. Read More

    Catheter Embolization of Type II Congenital Extrahepatic Portosystemic Shunt with Hematochezia: A Case Series and Review of the Literature.
    Cardiovasc Intervent Radiol 2018 Apr 24. Epub 2018 Apr 24.
    Department of Radiology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510655, China.
    Hematochezia is a rare clinical presentation of congenital extrahepatic portosystemic shunt (CEPS). We describe a series of three patients with type II CEPS presenting as hematochezia that were treated by catheter embolization, followed by a brief review of published articles. Hematochezia of the patients was due to the giant inferior mesenteric vein, superior rectal vein and colonic varices. Read More

    A Stepwise Embolization Strategy for a Bronchial Arterial Aneurysm: Proximal Coil and Distal Glue with the Optional Use of a Microballoon Occlusion System.
    Cardiovasc Intervent Radiol 2018 Apr 23. Epub 2018 Apr 23.
    Department of Radiology, Tokai University Hachioji Hospital, Tokai University School of Medicine, 1838 Ishikawa-machi, Hachioji, Tokyo, 192-0032, Japan.
    Purpose: This study aimed to demonstrate a transcatheter embolization strategy for bronchial artery aneurysms (BAAs) using coils for the proximal lesion and glue (n-butyl-2-cyanoacrylate [NBCA]) embolization for the distal lesion with or without the use of a microballoon occlusion catheter.

    Materials And Methods: Five patients with BAAs presenting with hemoptysis were enrolled in this study. A bronchial angiogram indicated a mediastinal BAA near the orifice, accompanied by dilated distal branches with or without intrapulmonary BAA. Read More

    Portal Vein Embolization Utilizing N-Butyl Cyanoacrylate for Contralateral Lobe Hypertrophy Prior to Liver Resection: A Systematic Review and Meta-Analysis.
    Cardiovasc Intervent Radiol 2018 Apr 23. Epub 2018 Apr 23.
    Department of Radiology, New Jersey Medical School, Rutgers University, 150 Bergen Street, UH Suite C-318 A, Newark, NJ, 07103, USA.
    Purpose: To evaluate the safety and effectiveness of n-butyl cyanoacrylate (NBCA) for portal vein embolization (PVE) when used to induce contralateral future liver remnant (FLR) hypertrophy in patients undergoing planned hepatic resection for hepatic malignancy.

    Materials And Methods: The PubMed database (including articles indexed by MEDLINE) was searched for articles published from 1970 to 2018 describing patients treated with PVE utilizing NBCA to induce hypertrophy of the FLR prior to contralateral hepatic lobe resection. Demographic data, embolization technique, complications of embolization, resultant FLR hypertrophy, and surgical outcomes were obtained when available. Read More

    Conductivity Rise During Irreversible Electroporation: True Permeabilization or Heat?
    Cardiovasc Intervent Radiol 2018 Apr 23. Epub 2018 Apr 23.
    Department of Radiology and Nuclear Medicine, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.
    Purpose: Irreversible electroporation (IRE) induces apoptosis with high-voltage electric pulses. Although the working mechanism is non-thermal, development of secondary Joule heating occurs. This study investigated whether the observed conductivity rise during IRE is caused by increased cellular permeabilization or heat development. Read More

    Will X-ray Safety Glasses Become Mandatory for Radiological Vascular Interventions?
    Cardiovasc Intervent Radiol 2018 Apr 23. Epub 2018 Apr 23.
    Institute of Diagnostic and Interventional Radiology, Klinikum Oldenburg AöR, Rahel Straus Straße 10, 26133, Oldenburg, Germany.
    Purpose: The annual permissible radiation ocular lens dose has been reduced to 20 millisieverts (mSv) in the current European directive 2013/59/Euratom. The aim of this study was to evaluate the personal radiation dose for vascular interventions with special focus on ocular lens dose.

    Materials And Methods: From May 2016 to October 2016, the personal radiation doses of two interventionists and four technicians were prospectively recorded during 206 vascular interventions. Read More

    Successful Embolization of Bleeding Ileal Varices with N-butyl Cyanoacrylate via a Recanalized Paraumbilical Vein.
    Cardiovasc Intervent Radiol 2018 Apr 23. Epub 2018 Apr 23.
    Department of Gastroenterology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan.
    A 48-year-old woman with alcoholic liver cirrhosis was admitted to our hospital because of hematochezia and severe anemia. She had been hospitalized many times over the past year for hematochezia of unknown etiology. Contrast-enhanced CT demonstrated ileal varices, which were fed by several ileal veins. Read More

    Radioembolization for Hepatocellular Carcinoma Arising in the Setting of a Congenital Extrahepatic Portosystemic Shunt (Abernethy Malformation).
    Cardiovasc Intervent Radiol 2018 Apr 19. Epub 2018 Apr 19.
    Institute of Pathology, Klinikum Augsburg, Augsburg, Germany.
    In a 50-year-old male with an incidentally discovered hepatocellular carcinoma, a congenital extrahepatic portosystemic shunt with the absence of the portal vein (Abernethy syndrome) was diagnosed by imaging. This study aims to discuss the variant anatomy relevant to this splanchnic vascular malformation, review its association with the development of liver neoplasms, and report the safety and efficacy of TARE followed by resection for a HCC arising in this rare condition. Read More

    CT-Guided Translumbar Placement of Permanent Catheters in the Inferior Vena Cava: Description of the Technique with Technical Success and Complications Data.
    Cardiovasc Intervent Radiol 2018 Apr 19. Epub 2018 Apr 19.
    Department of General, Visceral and Transplant Surgery, Eberhard-Karls University Tübingen, Hoppe-Seyler Straße 3, 72076, Tübingen, Germany.
    Purpose: To evaluate indications, technical success rate and complications of CT-guided translumbar catheter placement in the inferior vena cava for long-term central venous access (Port and Hickman catheters) as a bail-out approach in patients with no alternative options for permanent central venous access.

    Materials And Methods: This retrospective study included 12 patients with a total of 17 interventions. All patients suffered from bilaterally chronically occluded venous vessels of their upper extremities, without patent internal jugular and/or subclavian veins. Read More

    Phase I/II Study of Radiofrequency Ablation for Painful Bone Metastases: Japan Interventional Radiology in Oncology Study Group 0208.
    Cardiovasc Intervent Radiol 2018 Apr 12. Epub 2018 Apr 12.
    Department of Radiology, Hyogo Prefectural Awaji Medical Center, Sumoto, Japan.
    Purpose: A prospective multicenter phase I/II trial was performed to evaluate the clinical safety and efficacy of radiofrequency ablation (RFA) for metastatic bone tumors.

    Materials And Methods: Thirty-three patients (27 men, 6 women, mean age 61 years) with metastatic bone tumors were enrolled. In phase I, nine patients were enrolled, and the safety of RFA was evaluated. Read More

    Non-surgical Management of Blunt Splenic Trauma: A Comparative Analysis of Non-operative Management and Splenic Artery Embolization-Experience from a European Trauma Center.
    Cardiovasc Intervent Radiol 2018 Apr 18. Epub 2018 Apr 18.
    Dipartimento Integrato dei Servizi Diagnostici e per Immagine, Azienda Ospedaliero-Universitaria Policlinico di Modena, Via del Pozzo 71, 41124, Modena, Italy.
    Purpose: The objective of our study was to retrospectively compare the outcomes of non-operative management (NOM) and splenic artery embolization (SAE) in the management of hemodynamically stable patients with splenic injuries.

    Materials And Methods: In a 5-year period, 109 patients were recorded; 60/109 were treated with NOM and 49/109 with SAE. For each patient, the following parameters were assessed: Glasgow coma scale, injury severity score, American Association for the Surgery of Trauma splenic injury grade, transfusion requirements, hemoglobin level, presence of a splenic vascular lesion (SVL) and amount of hemoperitoneum (Bessoud scale). Read More

    Transcatheter Arterial Embolization for Bleeding Peptic Ulcers: A Multicenter Study.
    Cardiovasc Intervent Radiol 2018 Apr 18. Epub 2018 Apr 18.
    2nd Department of Radiology, Interventional Radiology Unit, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece.
    Purpose: To investigate the outcomes of transcatheter arterial embolization (TAE) for the treatment of peptic ulcer bleeding (PUB).

    Materials And Methods: This is a retrospective, multicenter study, which investigated all patients who underwent TAE for the treatment of severe upper gastrointestinal hemorrhage from peptic ulcers in five European centers, between January 1, 2012 and May 1, 2017. All patients had undergone failed endoscopic hemostasis. Read More

    Radiofrequency and Microwave Ablation Compared to Systemic Chemotherapy and to Partial Hepatectomy in the Treatment of Colorectal Liver Metastases: A Systematic Review and Meta-Analysis.
    Cardiovasc Intervent Radiol 2018 Apr 17. Epub 2018 Apr 17.
    Medical Evaluation and Technology Assessment (ME-TA), Rotselaar, Belgium.
    Purpose: To assess safety and outcome of radiofrequency ablation (RFA) and microwave ablation (MWA) as compared to systemic chemotherapy and partial hepatectomy (PH) in the treatment of colorectal liver metastases (CRLM).

    Methods: MEDLINE, Embase and the Cochrane Library were searched. Randomized trials and comparative observational studies with multivariate analysis and/or matching were included. Read More

    Balloon-Occluded Carbon Dioxide Gas Angiography for Internal Iliac Arteriography and Intervention.
    Cardiovasc Intervent Radiol 2018 Apr 17. Epub 2018 Apr 17.
    Department of Diagnostic Radiology and Nuclear Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan.
    Introduction: The usefulness of carbon dioxide (CO) gas digital subtraction angiography (DSA) has been reported for patients with renal insufficiency and allergy to iodinated contrast agents. However, CO gas cannot replace the iodinated contrast agent in all cases owing to some disadvantages. We describe balloon-occluded CO DSA (B-CO DSA) as an improved CO DSA procedure for interventions in the internal iliac artery (IIA) region and compare the quality of images obtained using conventional CO DSA and B-CO DSA. Read More

    Magnetic Particle Imaging Guided Real-Time Percutaneous Transluminal Angioplasty in a Phantom Model.
    Cardiovasc Intervent Radiol 2018 Apr 16. Epub 2018 Apr 16.
    Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacherstrasse 6, 97080, Würzburg, Germany.
    Purpose: To investigate the potential of real-time magnetic particle imaging (MPI) to guide percutaneous transluminal angioplasty (PTA) of vascular stenoses in a phantom model.

    Materials And Methods: Experiments were conducted on a custom-built MPI scanner. Vascular stenosis phantoms consisted of polyvinyl chloride tubes (inner diameter 8 mm) prepared with a centrally aligned cable tie to form ~ 50% stenoses. Read More

    Response Assessment by Volumetric Iodine Uptake Measurement: Preliminary Experience in Patients with Intermediate-Advanced Hepatocellular Carcinoma Treated with Yttrium-90 Radioembolization.
    Cardiovasc Intervent Radiol 2018 Apr 13. Epub 2018 Apr 13.
    Department of Diagnostic and Interventional Radiology, Pisa University Hospital, Via Paradisa 2, 56126, Pisa, Italy.
    Purpose: To retrospectively compare early response to yttrium-90 radioembolization (Y90) according to volumetric iodine uptake (VIU) changes, Response Evaluation Criteria In Solid Tumor 1.1 (RECIST 1.1) and modified RECIST (mRECIST) in patients with intermediate-advanced hepatocellular carcinoma (HCC) and to explore their association with survival. Read More

    Single 15-Min Protocol Yields the Same Cryoablation Size and Margin as the Conventional 10-8-10-Min Protocol: Results of Kidney and Liver Swine Experiment.
    Cardiovasc Intervent Radiol 2018 Apr 12. Epub 2018 Apr 12.
    Division of Vascular and Interventional Radiology, Department of Radiology, The Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD, 21287, USA.
    Introduction: The objective was to determine the ablation size of a single 15-min freeze and compare it with the conventional 10-min freeze-8-min thaw-10-min freeze protocol. Secondary objectives were to determine the ablation margin and to ascertain whether islands of viable tissue remain within the ablation zone.

    Materials And Methods: Five adult swine under general anesthesia were used. Read More

    Hepatotoxic Dose Thresholds by Positron-Emission Tomography After Yttrium-90 Radioembolization of Liver Tumors: A Prospective Single-Arm Observational Study.
    Cardiovasc Intervent Radiol 2018 Apr 12. Epub 2018 Apr 12.
    Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at University of California Los Angeles, 757 Westwood Plaza, Suite 2125, Los Angeles, CA, 90095-7430, USA.
    Purpose: To define a threshold radiation dose to non-tumoral liver from Y radioembolization that results in hepatic toxicity using pair-production PET.

    Materials And Methods: This prospective single-arm study enrolled 35 patients undergoing radioembolization. A total of 34 patients (27 with HCC and 7 with liver metastases) were included in the final analysis. Read More

    Percutaneous Radiofrequency Ablation for the Treatment of Osteoid Osteoma in Children and Adults: A Comparative Analysis in 92 Patients.
    Cardiovasc Intervent Radiol 2018 Apr 12. Epub 2018 Apr 12.
    Division of Vascular and Interventional Radiology, Department of Radiology, University of Michigan Health Systems, Michigan Medicine, 1500 East Medical Center Drive, Ann Arbor, MI, 48109, USA.
    Purpose: To compare technical success, complications, and long-term clinical success following radiofrequency ablation of osteoid osteomas in pediatric and adult patients.

    Materials And Methods: Ninety-two patients underwent percutaneous computed tomography-guided radiofrequency ablation for osteoid osteomas including 54 pediatric (mean age 12.9 years) and 38 adult (mean age 24. Read More

    Balloon and Coil Occlusion of a Superior Sagittal Sinus Cortical Vein Facilitates Percutaneous Supraorbital Venous Malformation Sclerotherapy.
    Cardiovasc Intervent Radiol 2018 Mar 29. Epub 2018 Mar 29.
    Division of Vascular and Interventional Radiology, Department of Radiology, University of Michigan Health System, 1500 East Medical Center Drive, Ann Arbor, MI, 48109, USA.
    Venous malformations are the most common of all vascular anomalies. Venous malformations are treated using a multidisciplinary approach with sclerotherapy representing the primary treatment modality. While rare, sclerotherapy in the central nervous system carries the risk of venous thrombosis, non-target embolization, and venous infarction and hemorrhage. Read More

    Could Monopolar Mode be a Suitable Strategy of Energy Deposition for Performing No-Touch Radiofrequency Ablation of Liver Tumor ≤ 5 cm?
    Cardiovasc Intervent Radiol 2018 Mar 28. Epub 2018 Mar 28.
    Service de Radiologie de l'Hôpital Jean Verdier, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance Publique Hôpitaux de Paris, Avenue du 14 Juillet, 93140, Bondy, France.

    Two-Year Clinical Outcomes of the CONSEQUENT Trial: Can Femoropopliteal Lesions be Treated with Sustainable Clinical Results that are Economically Sound?
    Cardiovasc Intervent Radiol 2018 Mar 27. Epub 2018 Mar 27.
    Department of Radiology, RoMed Klinikum Rosenheim, Rosenheim, Germany.
    Purpose: The previously reported 6-month angiographic and 12-month clinical outcomes of the CONSEQUENT trial demonstrated the safety and efficacy of a novel paclitaxel-resveratrol-coated balloon for the treatment of lesions in the femoropopliteal segment. The purpose of this report is to present the 2-year results including a cost-benefit analysis for Germany.

    Materials And Methods: Patients with symptomatic peripheral artery occlusive disease in femoropopliteal lesions were randomized either to drug-coated balloon (DCB, n = 78) or plain old balloon angioplasty (POBA, n = 75). Read More

    Evaluating the Feasibility of Isolated Pancreatic Perfusion for Chemotherapy Using Computed Tomography: An Experimental Study in Pig Models.
    Cardiovasc Intervent Radiol 2018 Mar 26. Epub 2018 Mar 26.
    Departments of Radiology/Center for Advanced Medical Technology, Nippon Medical School, 1-1-5 Sendagi, Bunkyou-ku, Tokyo, 113-8602, Japan.
    Purpose: Percutaneous isolated pancreatic perfusion (PIPP) is performed along with interventional radiology techniques to obtain high drug concentration by occluding the arterial inlet and venous outlet of the pancreas. The experimental study aimed to evaluate the contrast distribution in PIPP under different flow rates with or without anterior mesenteric artery (AMA) occlusion.

    Materials And Methods: This study was approved by a local animal experiment ethics committee. Read More

    Safety and Efficacy of Percutaneous Thermal Ablation of Juxta-Cardiac Hepatic Tumours.
    Cardiovasc Intervent Radiol 2018 Jun 26;41(6):920-927. Epub 2018 Mar 26.
    Department of Diagnostic and Interventional Radiology, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore, 308433, Singapore.
    Introduction: To evaluate the safety and efficacy of percutaneous thermal ablation of liver tumours in a juxta-cardiac (JC) location.

    Materials And Methods: From January 2010 to December 2014, out of 274 cases of hepatic ablation, 33 consecutive patients who received thermal ablation (radiofrequency or microwave) to left hepatic lobe tumours were included in this study. Patients were divided into two groups: JC or non-juxta-cardiac (NJC) (tumour margin ≤ 10 mm or > 10 mm from the cardiac border, respectively). Read More

    Prostatic Artery Embolization (PAE) for Benign Prostatic Hyperplasia (BPH) with Haematuria in the Absence of an Upper Urinary Tract Pathology.
    Cardiovasc Intervent Radiol 2018 Mar 26. Epub 2018 Mar 26.
    Department of Radiology, Churchill Hospital, Old Road, Headington, Oxford, OX3 9LE, UK.
    Purpose: To assess the effectiveness of prostate artery embolization (PAE) in the control of haematuria and in patients with benign prostatic hyperplasia (BPH) and normal upper urinary tracts.

    Subjects/patients: Twelve consecutive patients with haematuria were included in the prospective study. All patients had prior imaging and cystoscopy to exclude other causes of haematuria. Read More

    Endovascular Treatment of Haemodialysis Arteriovenous Fistula with Drug-Coated Balloon Angioplasty: A Single-Centre Study.
    Cardiovasc Intervent Radiol 2018 Jun 26;41(6):882-889. Epub 2018 Mar 26.
    Department of Radiology, University Medical Center Maribor, Ljubljanska ulica 5, 2000, Maribor, Slovenia.
    Purpose: To evaluate the effect of percutaneous transluminal angioplasty (PTA) on haemodialysis fistulas utilising drug-coated balloons with plain balloon vessel preparation (DCB).

    Materials And Methods: In the study group, 31 patients (16 men; mean age 62.8 ± 17. Read More

    Does the Site of the Primary Affect Outcomes When Ablating Colorectal Liver Metastases with Radiofrequency Ablation?
    Cardiovasc Intervent Radiol 2018 Jun 26;41(6):912-919. Epub 2018 Mar 26.
    Department of Minimally Invasive Interventional Radiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng East Road, Guangzhou, 510060, People's Republic of China.
    Purpose: To determine whether primary tumor side was a predictor of radiofrequency ablation (RFA) outcome in colorectal liver metastases (CRLM).

    Materials And Methods: The institutional review board approved this retrospective study. Written informed consent was obtained from all patients. Read More

    Serial Uterine Artery Embolization for the Treatment of Placenta Percreta in the First Trimester: A Case Report.
    Cardiovasc Intervent Radiol 2018 Mar 19. Epub 2018 Mar 19.
    Department of Obstetrics and Gynecology, Hackensack University Medical Center, Hackensack, NJ, USA.
    Two patients with placenta percreta underwent uterine artery embolization (UAE) for abnormally invasive placenta (AIP) in the first trimester. Patient 1 had a 9-week cervical ectopic, while Patient 2 had a 9-week cesarean scar pregnancy. Elective termination of pregnancy was performed in both patients. Read More

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