Comparison of Urinary Red Blood Cell Distribution (URD) and Dysmorphic Red Blood Cells for Detecting Glomerular Hematuria: A Multicenter Study.

Background: The clinical utility of urinary red blood cell (RBC) distribution (URD) remains limited. This study aimed to compare the diagnostic performance of URD and dysmorphic RBC (dRBC) in a multicenter study.

Methods: This study enrolled 703 patients who visited four tertiary medical centers in Korea.

Clinical Effects and Safety of Intra-Arterial Infusion Chemotherapy with Lipiodol versus Intra-Arterial Infusion Chemotherapy Alone for Treatment of Advanced Hepatocellular Carcinoma.

Introduction: This study aimed to assess the effectiveness and safety of hepatic arterial infusion chemotherapy (HAIC) in 2 groups of patients: those who receive lipiodol (referred to as the lipiodol group) and those who do not receive lipiodol (referred to as the control group).

Methods: From January 2016 through December 2023, 85 patients with advanced hepatocellular carcinoma were enrolled in this retrospective study. In total, 40 patients received HAIC with lipiodol, while 45 patients were given HAIC without lipiodol.

Staged angioplasty using a full-length balloon catheter to achieve maturation of arteriovenous fistulas.

Purpose: To evaluate the efficacy of staged full-length balloon-assisted maturation (BAM) for the maturation of arteriovenous fistulas (AVFs) on entire segmental veins, including stenosis, causing primary AVF failure.

Methods: This study included patients who underwent AVF surgery using an autogenous vein between February 2020 and June 2021 and received staged angioplasty with a full-length balloon catheter. To minimize balloon overlap and the risk of barotrauma to the immature vein, serial-staged upsizing balloon angioplasty with a long balloon catheter covering the entire vein segment was employed approximately 2 weeks apart.

Global lineage evolution pattern of sars-cov-2 in Africa, America, Europe, and Asia: A comparative analysis of variant clusters and their relevance across continents.

Objective: The objective of this study is to provide a comparative analysis of variant clusters and their relevance across Africa, America, Europe, and Asia, in order to understand the evolutionary patterns of the virus across different regions and to inform the development of targeted interventions and genomic surveillance eforts.

Methods: The study analyzed the global lineage evolution pattern of 74, 075 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) genomes from 32 countries across four continents, focusing on variant clusters and their relevance across regions. Variants were weighted according to their hierarchical level.

Comparative Analysis of Atezolizumab Plus Bevacizumab and Hepatic Artery Infusion Chemotherapy in Unresectable Hepatocellular Carcinoma: A Multicenter, Propensity Score Study.

This study aimed to compare the prognosis and characteristics of patients with advanced hepatocellular carcinoma treated with first-line atezolizumab plus bevacizumab (AB) combination therapy and hepatic artery infusion chemotherapy (HAIC). We retrospectively assessed 193 and 114 patients treated with HAIC and AB combination therapy, respectively, between January 2018 and May 2023. The progression-free survival (PFS) of patients treated with AB combination therapy was significantly superior to that of patients treated with HAIC ( < 0.

[Clinical Role of Interventional Radiology in Abdominal Solid Organ Trauma].

Interventional management is commonly used for traumatic injuries to the abdominal solid organs. The American Association for the Surgery of Trauma (AAST) and the World Society of Emergency Surgery (WSES) recently published guidelines for the management and treatment of liver, spleen, and kidney injuries, emphasizing the importance of interventions. Here, we discuss the characteristics of each organ and the procedure method for each organ that interventional radiologists need to know when treating trauma patients.

Clinical outcomes of splenic arterial embolization for blunt splenic injury in pediatric and adolescent patients.

Background: Splenic arterial embolization (SAE) is an effective intervention for the management of arterial hemorrhage asso-ciated with blunt splenic injury. However, its role and clinical outcomes in pediatric and adolescent patients are unclear. The aim of this study is to assess the role and the clinical outcomes of SAE for blunt splenic injuries in pediatric and adolescent trauma patients.

Push-pull monorail technique to overcome a difficult course through the left internal jugular vein.

Background: We assessed the outcomes of a push-pull monorail technique to overcome a difficult anatomical course through the left internal jugular vein in implantable port insertions.

Methods: From December 2018 to May 2021, a total of 5326 patients were referred for implantable port insertion in our interventional unit, among which 472 cases were requested for insertion on the left side. Our monorail technique was applied only when the catheter tip entered the azygos vein instead of the superior vena cava (n = 8).

Optimal Sizing of Aortic Stent Graft for Blunt Thoracic Aortic Injury Considering Hypotension-Related Decrease in Aortic Diameter.

Purpose: To evaluate the optimal sizing of an aortic stent graft in patients with blunt thoracic aortic injury (BTAI), considering the decrease in diameter in hypovolemic status.

Materials And Methods: From 2014 to 2020, 25 patients who underwent thoracic endovascular aortic repair (TEVAR) for BTAI were included. Hemodynamic parameters in the emergency room (ER) and just before the main procedure (MP) were collected.

Ultrasonography-guided endovascular management of femoral artery pseudoaneurysm after unintended dialysis catheterization with suture-mediated vascular closure devices.

Although iatrogenic pseudoaneurysm is an infrequent complication, it can be life threatening if ruptured. There are several treatment methods for managing this complication. This case report demonstrates a technique using ultrasonography-guided suture-mediated vascular closure devices without angiography to successfully treat iatrogenic superficial femoral pseudoaneurysm following an unintended hemodialysis catheter insertion.

Differential identification of urine crystals with morphologic characteristics and solubility test.

Background: Urinary crystals are the most diverse forms of urine sediments. Reference images for typical urinary crystals are common, however, but images for interpreting atypical urinary crystals are very rare. The authors reviewed various forms and solubility tests of urine crystals to interpret atypical crystals found in clinical specimens.

Validity of the scoring system for traumatic liver injury: a generalized estimating equation analysis.

Purpose: The scoring system for traumatic liver injury (SSTLI) was developed in 2015 to predict mortality in patients with polytraumatic liver injury. This study aimed to validate the SSTLI as a prognostic factor in patients with polytrauma and liver injury through a generalized estimating equation analysis.

Methods: The medical records of 521 patients with traumatic liver injury from January 2015 to December 2019 were reviewed.

Multidisciplinary treatment with immune checkpoint inhibitors for advanced stage hepatocellular carcinoma.

Hepatocellular carcinoma (HCC) is a cytotoxic chemotherapy-resistant tumor and most HCCs arise in a background of liver cirrhosis of various causes. Although the IMBrave150 trial showed remarkable advancements in the treatment of unresectable HCC with atezolizumab plus bevacizumab (AteBeva), therapeutic outcomes were unsatisfactory in more than half of the patients. Accordingly, many ongoing trials combine conventional modalities with new drugs such as immune checkpoint inhibitors for better treatment outcomes, and they are expected to benefit patients with limited responses to conventional treatment.

Volume preservation of a shattered kidney after blunt trauma by superselective renal artery embolization.

PURPOSE We examined whether superselective embolization of the renal artery could be effectively employed to preserve traumatic kidneys and assessed its clinical outcomes. METHODS Between December 2015 and November 2019, 26 patients who had American Association for the Surgery of Trauma grade V traumatic shattered kidneys were identified. Among them, a retrospective review was conducted of 16 patients who underwent superselective renal artery embolization for shattered kidney.

Open repair versus thoracic endovascular aortic repair for treating traumatic aortic injury.

Background/objective: Blunt traumatic aortic injury (BTAI) is rare and fatal. Treatment has evolved with advances in imaging and the emergence of thoracic endovascular aortic repair (TEVAR). This study reports a single-center, 5-year experience of TEVAR and open repair for BTAI.

Prevalence of SARS-CoV-2 Antibody in 2,935 Healthcare Workers at 6 Major Hospitals, Daegu, Korea.

Background: In Korea, the first community outbreak of coronavirus disease 2019 (COVID-19) occurred in Daegu on February 18, 2020. This study was performed to investigate the prevalence of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) antibodies in healthcare workers (HCWs) at 6 major hospitals in Daegu.

Methods: Blood specimens of 2,935 HCWs at 6 major hospitals in Daegu from January 2021 to February 2021 were collected.

Comprehensive Laboratory Data Analysis to Predict the Clinical Severity of Coronavirus Disease 2019 in 1,952 Patients in Daegu, Korea.

Background: Laboratory parameter abnormalities are commonly observed in COVID-19 patients; however, their clinical significance remains controversial. We assessed the prevalence, characteristics, and clinical impact of laboratory parameters in COVID-19 patients hospitalized in Daegu, Korea.

Methods: We investigated the clinical and laboratory parameters of 1,952 COVID-19 patients on admission in nine hospitals in Daegu, Korea.

The Relationship between Neural Foraminal Stenosis and Imaging Features of Lumbar Spine MRI in Patients Older Than 60 Years with Lumbar Radiculopathy.

Purpose: To investigate the MRI features associated with neural foraminal stenosis (NFS) in patients older than 60 years with lumbar (L) radiculopathy.

Materials And Methods: This study included 133 retrospectively selected patients older than 60 years with lumbar radiculopathy who had undergone a lumbar spine MRI (from January 2018 to April 2018). For L4/L5 and L5/sacral (S)1 levels, NFS was reviewed blindly by two radiologists.

Traumatic Hemothorax Caused by Thoracic Wall and Intrathoracic Injuries: Clinical Outcomes of Transcatheter Systemic Artery Embolization.

Purpose: We aimed to assess the clinical efficacy of transcatheter arterial embolization (TAE) for treating hemothorax caused by chest trauma.

Materials And Methods: Between 2015 and 2019, 68 patients (56 male; mean age, 58.2 years) were transferred to our interventional unit for selective TAE to treat thoracic bleeding.

Overlapping stent insertion for a treatment-resistant seroma after arteriovenous fistulation using prosthetic grafts.

An arteriovenous fistula was required for permanent vascular access in a patient undergoing hemodialysis due to progressive chronic kidney disease associated with short bowel syndrome. In the present report, we discuss the case of a patient who underwent arteriovenous grafting because there was no proper native vein as a route, following which a seroma developed near the arterial anastomosis. Despite several surgical treatments, seroma not only recurred but also affected dialysis by compressing the graft.

Differences in the mitochondrial microsatellite instability of Keratoacanthoma and cutaneous squamous cell carcinoma.

Keratoacanthoma (KA) is a common cutaneous neoplasm which often resembles typical squamous cell carcinoma (SCC) in both its clinical and historical presentation. Several studies have attempted to identify methods for distinguishing between KA and SCC, however, none of these have proven to play any obvious roles in these tumors. Given this we went on to evaluate mitochondrial microsatellite instability (mtMSI) in KA and SCC in an effort to understand these tumors better.

Clinical feasibility of MR-generated synthetic CT images of the cervical spine: Diagnostic performance for detection of OPLL and comparison of CT number.

We aimed to determine the incremental value of magnetic resonance generated synthetic computed tomography (MRCT), evaluate cervical ossification of the posterior longitudinal ligament (OPLL), and compare the computed tomography (CT) numbers between MRCT and conventional CT.Twenty-two patients who underwent magnetic resonance imaging (MRI) with MRCT protocols and CT were enrolled. MRCT images were generated from 3D-T2-weighted imaging, 3D-pointwise-encoding time reduction with radial acquisition, 3D-T1-Dixon, and 3D-time-of-flight sequences.