Journal of Vascular and Interventional Radiology : JVIR

PURPOSE: To perform a qualitative systematic review of endovascular management of renal artery aneurysms (RAA). MATERIALS AND METHODS: A comprehensive electronic search of PubMed, MEDLINE, EMBASE, Google Scholar and Cochrane databases from 2000 to 2022 was performed using the search terms "renal artery," "aneurysm," AND "endovascular." Means of outcome measures were calculated with a primary endpoint focused on RAA-related mortality and rupture. Secondary end points included re-intervention rate and renal infarction...

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PURPOSE: To determine whether sampling of the disc or bone is more likely to yield positive tissue culture results in patients with vertebral discitis and osteomyelitis (VDO). MATERIALS AND METHODS: Retrospective review was performed of consecutive patients who underwent vertebral disc or vertebral body biopsy at a single institution between February 2019 and May 2023. Inclusion criteria were age ≥18 years, presumed VDO on spinal magnetic resonance (MR) imaging, absence of paraspinal abscess, and technically successful percutaneous biopsy with fluoroscopic guidance...

PURPOSE: To evaluate the performance of a prototype flexible transbronchial cryoprobe compared to percutaneous transthoracic cryoablation and to define cone-beam CT (CBCT) imaging and pathology cryolesion features in an in vivo swine model. METHODS: Transbronchial cryoablation was performed with a prototype flexible cryoprobe (3 central and 3 peripheral lung ablations in 3 swine) and compared to transthoracic cryoablation performed with a commercially available rigid cryoprobe (2 peripheral lung ablations in 1 swine)...

PURPOSE: To summarize dose trends from 1980-2020 for 19,651 U.S. radiologic technologists who reported assisting with fluoroscopically-guided interventional procedures (FGIP), overall and by work history characteristics. METHODS: We summarized 762,310 annual personal dose equivalents at a 10 mm-reference depth ("doses") during 1980-2020 for 43,823 participants of the U.S. Radiologic Technologists (USRT) cohort who responded to work history questionnaires administered during 2012-2014...

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PURPOSE: A review of systematic reviews (SRs) and an update of the current meta-analysis were conducted to evaluate the clinical efficacy and safety of drug-coated balloons (DCBs) compared with percutaneous transluminal angioplasty (PTA) for arteriovenous fistula (AVF) stenosis. MATERIALS AND METHODS: Literature was searched to retrieve SRs comparing DCBs and PTA for AVFs. A narrative review of SRs and pooled analysis were performed. RESULTS: Eleven SRs were included...

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PURPOSE: To compare the outcomes of Yttrium-90 transarterial radioembolization (TARE) in hepatocellular carcinoma (HCC) patients with and without macrotrabecullar-massive (MTM) subtypes. MATERIAL AND METHODS: Forty-one consecutive patients with HCC (90.3% male, mean age 65.3±10.7 years) who underwent Yttrium-90 TARE between September 2014 and January 2022 were grouped as MTM-HCC (n=17, 41.5%) and non-MTM-HCC (n=24, 58.5%) based on their histopathological subtypes...

PURPOSE: The feasibility, safety and clinical outcomes of image-guided thermal ablation in patients with hepatic epithelioid hemangioendothelioma (HEHE) were investigated. MATERIALS AND METHODS: This was a multicenter retrospective investigation of 18 patients (43.9 ± 14.8 years; 6 men) who underwent image-guided thermal ablation for HEHE between January 2013 and February 2023. A total of 31 ablation sessions (24 involving microwave ablation and 7 involving radiofrequency ablation) were evaluated...

PURPOSE: To assess whether transarterial embolization using adjunctive techniques according to angioarchitectural types is effective for treating renal arteriovenous malformations (rAVMs). MATERIALS AND METHODS: Overall, 18 patients with rAVM (type 1, n=7; type 2, n=2; type 3, n=9; mean age: 53.8) who underwent 25 procedures, in total, between 2011 and 2022 were reviewed. The clinical characteristics, endovascular techniques, AVM occlusion rate, adverse events (including the incidence of renal infarction), and clinical outcomes (including recurrence/aggravation of AVM) and symptoms were analyzed according to the angioarchitectual types...

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PURPOSE: To evaluate the safety and long-term clinical outcomes of stent-graft placement to stop hepatic artery bleeding after pancreaticobiliary surgery. MATERIALS AND METHODS: Outcomes were retrospectively evaluated in 61 patients (50 men, 11 women; mean age, 63) who underwent stent-graft placement for delayed arterial bleeding (after 24 hours) after pancreaticobiliary surgery from 2006 to 2023. Bleeding sites included the gastroduodenal artery stump (n=54), the common or proper hepatic artery (n=5), and right hepatic artery (n=2)...

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PURPOSE: To explore the significance of socioeconomic factors such as race and ethnicity as predictors of mortality in sub-massive and massive acute pulmonary embolism (PE). MATERIALS AND METHODS: Hospitalizations aged > 18 years with acute, non-septic PE from 2016 to 2019 were identified in the National Inpatient Sample and divided into IR (CDT and thrombectomy) and non-IR (tPA) treatments. Statistical analyses calculated significant odds ratios via 95% confidence intervals...

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PURPOSE: To evaluate the growth and quality of an IR training model designed for resource-constrained settings and implemented in Tanzania, as well as its overall potential to increase access to minimally invasive procedures across the region. MATERIALS AND METHODS: IR training in Tanzania began in 10/2018 through monthly deployment of visiting teaching teams for hands-on training combined with in-person and remote lectures. A competency-based two-year Master of Science (MSc) in IR curriculum was inaugurated at the nation's main teaching hospital in 10/2019, graduating its first two classes in 2021 and 2022...

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