Clinicopathological analysis of enlarged abdominal aortic aneurysms after endovascular aneurysm repair and the relationship with occult IgG4-related vascular disease.

Purpose: To evaluate the incidence of IgG4-related vascular disease (IgG4-VD) in aneurysm enlargement after endovascular aneurysm repair (EVAR).

Methods: Of 1482 EVAR cases in which patients underwent initial treatment at our hospital, 33 patients who underwent open surgery for an enlarged aneurysm were retrospectively identified. Histopathological examination of the aneurysm wall specimens was performed and the relationship of the histopathological findings with IgG4-VD was investigated.

The Effectiveness of Surgical Thrombectomy via Below-Knee Popliteal Artery for the Treatment of Acute Limb Ischemia.

Surgical thrombectomy has been established as an effective treatment for acute limb ischemia (ALI). Nevertheless, manipulation via the common femoral artery (CFA) to retrieve thrombus in the infra-popliteal artery sometimes proves less effective. We retrospectively reviewed patients undergoing surgical thrombectomy for infra-inguinal ALI from January 2010 to December 2022.

Relationship between Neovascularization and Aortic Wall Enhancement in Type A Aortic Dissection.

Background:  Aortic wall enhancement (AWE), evaluated with computed tomography angiography in Type B aortic dissection, is associated with aortic remodeling. This study aimed to evaluate the relationship between AWE and pathological findings of the aortic wall using an aortic wall sample from a Type A aortic dissection (TAD).

Methods:  We examined patients with TAD treated between January 2012 and February 2023.

Histopathological Analysis of Esophageal Damage Caused by Coin-Shaped Lithium Batteries in Living Piglets.

Background: More than 3,000 cases of accidental ingestion of coin-shaped lithium batteries (CSLBs) have been reported in the United States. Battery ingestion can cause serious injury and even death. Prior reports have indicated that complications often occur two or more hours after ingestion.

Open surgical repair of an isolated aneurysm of the arc of Riolan with celiac artery occlusion and severe superior mesenteric artery stenosis.

The arc of Riolan (AoR), a marginal vessel in the left colon, interconnects the superior and inferior mesenteric arteries. A 65-year-old woman presented with an incidental aneurysmal lesion in the left upper abdomen found on ultrasound. Computed tomography revealed a 27-mm saccular aneurysm in the AoR with occlusion of the celiac artery and severe stenosis of the superior mesenteric artery.

Impact of osteoporosis on overall survival following endovascular repair for abdominal aortic aneurysms.

Objective: To evaluate the impact of osteoporosis on overall survival following endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms (AAAs).

Methods: This was a retrospective, single-center cohort study on 172 patients who had undergone primary EVAR for AAA between 2016 and 2018. Bone mineral density (BMD) was assessed by measuring the Hounsfield units (HUs) of the 11th thoracic vertebra on preoperative computed tomography; a BMD value of <110 HU was considered osteoporosis.

One-year Outcomes of Drug-Eluting Stent Versus Drug-Coated Balloon for Femoropopliteal Artery Lesions: BEASTARS Study Results.

Background: Previous reports have shown comparable outcomes between drug-eluting stents (DESs) and drug-coated balloons (DCBs) for treating femoropopliteal artery (FPA) lesions; however, DCB outcomes include approximately 10% to 50% bailout stents. Therefore, comparing DESs and DCBs is not simple. The aim of this study was to compare the clinical outcomes of DESs and DCBs in patients with symptomatic FPA disease.

Impact of Cilostazol Administration on Prevention of Aspiration Pneumonia in Patients With Chronic Limb-Threatening Ischemia.

Background: Cilostazol has reported effectiveness for preventing aspiration pneumonia in patients with ischemic stroke, but whether it is similarly beneficial for patients with chronic limb-threatening ischemia (CLTI) is unclear.

Methods And Results: This retrospective single-center study enrolled 1,368 CLTI patients treated with endovascular therapy (EVT). In the multivariate analysis, predictors for aspiration pneumonia were age (hazard ratio [HR] 1.

Twenty-Four-Month Safety and Effectiveness of TCD-17187 Drug-Coated Balloon for Treatment of Atherosclerotic Lesions in Superficial Femoral and Proximal Popliteal Artery.

Purpose: In the present trial, the 24-month safety and effectiveness of the TCD-17187 drug-coated balloon (DCB) for the treatment of atherosclerotic lesions in the superficial femoral artery (SFA) and proximal popliteal artery (PA) were evaluated in Japanese patients.

Methods: This was a prospective, multicenter, core laboratory-adjudicated, single-arm trial. From 2019 to 2020, 121 patients with symptomatic peripheral artery disease were enrolled.

Saccular and Fusiform Abdominal Aortic Aneurysms Treated With Endovascular Repair Differ in Presentation and Treatment Threshold: Analyses Using a National Clinical Database in Japan.

Background: Saccular abdominal aortic aneurysms (AAAs) are considered to be at higher risk of rupture than fusiform AAAs, but not much is known about the extent of this risk. Therefore, this study aimed to compare the rupture presentation between fusiform and saccular AAAs.

Methods And Results: This is a retrospective cohort study on 27 290 patients who underwent primary endovascular repair for a degenerative AAA between 2016 and 2019, and who were registered in the National Clinical Database in Japan.

Clinical impact of proximal fixation augmentation using the Najuta thoracic fenestrated stent graft during endovascular treatment for distal aortic arch aneurysm.

Objective: Prevention of late type Ia endoleaks is the main concern in thoracic endovascular aortic aneurysm repair (TEVAR) for thoracic aortic aneurysm. Since 2017, we have performed zone 0 TEVAR with proximal fixation augmentation using a Najuta thoracic fenestrated stent graft in addition to zone 2 TEVAR for distal arch aneurysms. We report the early and midterm outcomes of TEVAR performed using this strategy.

Midterm outcomes of endovascular repair for abdominal aortic aneurysm using the cuff-first technique to prevent type II endoleaks.

Objective: The aim of this study was to evaluate the initial and midterm outcomes of endovascular aneurysm repair (EVAR) for abdominal aortic aneurysm (AAA) using the cuff-first technique (CFT) to prevent type II endoleak (T2EL).

Methods: CFT involves deploying an aortic cuff inside the AAA to cover the ostium of the aortic side branch vessels before deploying the main body. We performed a retrospective review of all patients undergoing EVAR with CFT or side branch embolization (SBE) for AAAs at The Jikei University Hospital between 2016 and 2022.

Fenestrated Thoracic Endovascular Repair for Acute Type B Aortic Dissection with Isolated Left Vertebral Artery: A Case Report.

Thoracic endovascular aortic repair (TEVAR) of acute uncomplicated type B aortic dissection (uTBAD) has been discussed for its potential to prevent future aortic events. We present a fenestrated TEVAR in the case of an 86-year-old man with acute uTBAD with an isolated left vertebral artery (ILVA). The ILVA originated from the distal side of the left subclavian artery, the left subclavian artery, and the intramural hematoma with an ulcer-like projection extended close to the left subclavian artery.

Long-Term Outcomes of a Japanese Prospective Multicenter Registry Using a Heparin-Bonded Expanded Polytetrafluoroethylene Graft for Above-the-Knee Femoropopliteal Bypasses.

Background: Despite the widespread use of PROPATEN, a bioactive heparin-bonded expanded polytetrafluoroethylene graft, in bypass surgery, there are only a few reports of long-term results. We evaluated the long-term results of PROPATENuse for above-knee femoropopliteal bypass (AKFPB).

Methods And Results: After PROPATEN-based AKFPB, patients were prospectively registered at 20 Japanese institutions between July 2014 and October 2017 to evaluate long-term results.

Exertional Lower Extremity Pain in a Triathlete Caused by External Iliac Artery Endofibrosis: A Case Report.

Case: This report describes a 25-year-old female professional triathlete with right external iliac artery endofibrosis (EIAE) that was definitively diagnosed on contrast-enhanced magnetic resonance images obtained immediately after treadmill running. The EIAE was treated by percutaneous transluminal angioplasty. By 8 weeks after surgery, she had no symptoms of claudication or pain in the right thigh after a 1-hour running session.

Five-year outcomes of the GORE VIABAHN Endoprosthesis for the treatment of complex femoropopliteal lesions from a Japanese postmarket surveillance study.

The safety and effectiveness of the GORE VIABAHN Endoprosthesis for treatment of symptomatic patients with peripheral artery disease (PAD) and complex femoropopliteal (FP) lesions was assessed in a real-world Japanese practice setting. : A prospective, multicenter, postmarket surveillance study was conducted from 2016 to 2017 at 64 sites in Japan. Symptomatic patients with PAD and FP lesions ⩾ 10 cm and reference vessel diameters ranging from 4.

Validation of the Diagnostic Criteria for IgG4-Related Periaortitis/Periarteritis and Retroperitoneal Fibrosis (IgG4PA/RPF) 2018, and Proposal of a Revised 2023 Version for IgG4-Related Cardiovascular/Retroperitoneal Disease.

Background: In 2018, diagnostic criteria were introduced for IgG4-related periaortitis/periarteritis and retroperitoneal fibrosis (PA/RPF). This study assessed the existing criteria and formulated an improved version.

Methods And Results: Between August 2022 and January 2023, we retrospectively analyzed 110 Japanese patients diagnosed with IgG4-related disease (IgG4-RD) involving cardiovascular and/or retroperitoneal manifestations, along with 73 non-IgG4-RD patients ("mimickers") identified by experts.

Ten-year single-center outcomes following endovascular repair for abdominal aortic aneurysm using the INCRAFT device.

Objective: This study aimed to report the long-term outcomes beyond 10 years of endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms using the low-profile INCRAFT device.

Methods: This was a single-center, retrospective cohort study of all patients undergoing EVAR using the INCRAFT device as part of the regulatory trial between 2012 and 2013. Primary endpoint was aneurysm-related death.

Maturation and development of fetal pig intestinal tissue in immunodeficient mice.

Purpose: This study aimed to compare the degree of maturation and development of fetal pig segmental intestinal tissue with that of spheroids created by in-vitro reaggregation of dissociated fetal intestinal cells after transplantation into immunodeficient mice.

Methods: Fetal pig small intestines were transplanted as segmental grafts into the omentum and subrenal capsules of immunodeficient mice or enzymatically treated to generate single cells. Spheroids made by in-vitro reaggregation of these cells were transplanted into the subrenal capsules of immunodeficient mice.

Bloodstream infection caused by Wickerhamiella pararugosa in a patient with intestinal obstruction: A case report.

The fungus Wickerhamiella pararugosa (Candida pararugosa) has been detected in various human organs but has rarely caused bloodstream infections. This report presents a case of central venous catheter-related bloodstream infection (CRBSI) of W. pararugosa in an adult.

Immunoglobulin G4-related hepatic artery aneurysm.

A 49-year-old man who was a current smoker with a history of hypertension, dyslipidemia, and coronary artery disease after coronary stent placement presented because of abdominal and back pain. Contrast-enhanced computed tomography showed a 30-mm, large hepatic artery aneurysm. Resection of the aneurysm and autogenous vein bypass grafting was performed, which resulted in a successful outcome without any complications.

Open Versus Zone 0/1 Endovascular Aortic Repair for Arch Aneurysm: A Propensity Score-Matched Study from the National Clinical Database in Japan.

Background: Although open surgical repair (OSR) is the gold standard for treating arch aneurysms, thoracic endovascular aortic repair (TEVAR) may be a less invasive alternative. However, it remains unclear which of the 2 methods yields better outcomes. In this study, we compared the perioperative outcomes of both procedures for arch aneurysms using a nationwide surgical database.

Open surgical repair of a giant celiac artery aneurysm with complex anatomy using a retrograde balloon occlusion technique.

Several options exist for the treatment of celiac artery (CA) aneurysms (CAAs), including surgical repair and endovascular procedures. However, treatment of CAAs can be challenging owing to their proximity to the ostium of the CA and involvement of the CA branches. In the present report, we have described a case of a giant CAA extending from the proximal CA to the hepatosplenic bifurcation.