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Immunoglobulin G4-Related Coronary Artery Aneurysm-Associated Stent Migration.

ABSTRACT: A 65-year-old woman with immunoglobulin G4-related disease (IgG4-RD), which was managed with a corticosteroid, underwent percutaneous coronary stent implantation in the left anterior descending artery as a result of angina pectoris. After 9 months, coronary angiography revealed stent migration and occlusion caused by progression of a coronary aneurysm potentially associated with IgG4-RD. (Level of Difficulty: Advanced.).

SUBMITTER: Shoji K

PROVIDER: S-EPMC8693308 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Immunoglobulin G4-Related Coronary Artery Aneurysm-Associated Stent Migration.

Shoji Keisuke K Wakana Noriyuki N Zen Kan K Hori Yusuke Y Matoba Satoaki S

JACC. Case reports 20211215 18

A 65-year-old woman with immunoglobulin G4-related disease (IgG4-RD), which was managed with a corticosteroid, underwent percutaneous coronary stent implantation in the left anterior descending artery as a result of angina pectoris. After 9 months, coronary angiography revealed stent migration and occlusion caused by progression of a coronary aneurysm potentially associated with IgG4-RD. (<b>Level of Difficulty: Advanced.</b>). ...[more]

PMID: 34984347

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Coronary artery disease concomitant with immunoglobulin G4-related disease: a case report and literature review.

Project description:BackgroundImmunoglobulin G4-related disease (IgG4-RD) is an autoimmune condition associated with high serum IgG4 levels which was first reported as autoimmune pancreatitis in 2001. Since then, many additional organs, such as bile duct, salivary gland, retroperitoneal organs, and liver, have been reported with high serum IgG4 levels in cases of IgG4-RD. However, evidence of the relationship between IgG4-RD and coronary artery disease (CAD) has been scare. Here, we report a case of CAD concomitant with IgG4-RD.Case summaryA 74-year-old man was referred to our hospital with a chief complaint of chest pain and was admitted. The patient was found to have had a myocardial infarction with ST-segment elevation and underwent an emergent percutaneous coronary intervention. Owing to a rapidly increased blood glucose level, computed tomography was performed and showed autoimmune pancreatitis. An elevated serum level of IgG4 led to a diagnosis of IgG4-RD involving acute coronary syndrome (ACS).DiscussionCardiac involvement in IgG4-RD has been reported; however, cases of ACS concomitant with IgG4-RD are rare. Our report suggests that CAD, specifically ACS, can coexist in patients with IgG4-RD. Therefore, cases of concomitant CAD and IgG4-RD should be accurately diagnosed and evidence should be collected to elucidate the mechanism and characteristics of this condition.

| S-EPMC6439393 | biostudies-literature

Steroid-resistant immunoglobulin G4-related coronary arteritis: a case report.

Project description:BackgroundImmunoglobulin G4 (IgG4)-related diseases are systemic fibroinflammatory disease characterized by extensive infiltration of IgG4-positive plasma cells in the affected tissue(s), with high plasma levels of IgG4. However, coronary involvement is rare.Case summaryA 70-year-old man was diagnosed with IgG4-related coronary arteritis, pancreatitis, and cholangitis during full-body contrast computed tomography (CT) examination prior to surgery for an iliac artery aneurysm. 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography/CT showed increased uptake of 18F-FDG in the pancreas, extrahepatic bile ducts, and proximal right coronary artery (RCA). Despite the patient being asymptomatic, the RCA showed severe stenosis. The patient was administered a conservative treatment with prednisolone, 30 mg/day, gradually tapered to 5 mg/day, for 6 months. Two years later, contrast CT showed improvement of the pancreatic and bile duct lesions; however, the steroid therapy had not improved the coronary artery lesions, and gradual progression of the lesions was observed. Percutaneous coronary intervention was performed with a cutting balloon in the RCA, and good patency was maintained for 1 year after the procedure.DiscussionSteroid therapy is the first-line treatment for IgG4-related diseases; however, there may be some refractory cases. The stenotic and aneurysmal types of IgG4-related coronary arteritis are life-threatening; therefore, we performed revascularization using balloon angioplasty. Determining the optimal revascularization technique for drug-refractory cases requires further investigation.

| S-EPMC11635450 | biostudies-literature

Immunoglobulin G4-related masses surrounding coronary arteries: a case report.

Project description:BackgroundImmunoglobulin G4 (IgG4)-related disease (IgG4-RD) is an immune-mediated fibroinflammatory condition with high serum IgG4 levels affecting various organs, such as the pancreas, lacrimal and salivary glands, thyroid, kidney, and lung. Typical cardiovascular manifestations of IgG4-RD include periaortitis, coronary arteritis, and pericarditis. However, reports of IgG4-RD associated with coronary arteritis are rare. Here, we report a case of IgG4-related masses surrounding the coronary arteries.Case summaryA 59-year-old man was referred to our hospital because of mediastinal masses detected by computed tomography (CT). Coronary CT angiography revealed masses surrounding the right coronary artery and the left anterior descending coronary artery. An elevated serum level of IgG4 and histological findings led to the diagnosis of IgG4-related coronary arteritis with mass formation. Coronary angiography showed numerous feeding arteries to the masses, which were demonstrated as multiple microchannels in the intravascular ultrasound (IVUS) images.DiscussionIgG4-RD involving the cardiovascular system has been reported. However, coronary artery disease associated with IgG4-RD is very rare, and the mechanism of mass formation in IgG4-related coronary arteritis is unclear. In our case, within the cardiovascular system, IgG4-RD was limited to the coronary arteries, suggesting that the affected coronary arteries may provide the necessary blood supply to the mass, thus, aiding its growth. These findings were supported by the images from coronary angiography and IVUS.

| S-EPMC8186918 | biostudies-literature

Coronary Artery Aneurysm after Second-Generation Drug-Eluting Stent Implantation.

Project description:PurposeWe evaluated the incidence, predictors, and prognosis of coronary artery aneurysm (CAA) after second-generation drug-eluting stent (DES) implantation.Materials and methodsA total of 976 consecutive patients (1245 lesions) who underwent follow-up angiography after second-generation DES implantation were analyzed. Incidence and predictors of CAA were assessed, and clinical prognosis was compared with 34 cases of CAA after first-generation DES implantation using previous CAA registry data.ResultsAll 10 cases of CAA (0.80% per lesion) in 10 patients (1.02% per patient) were detected at follow up. Compared to lesions without CAA, those with CAA had greater involvement of the proximal segment (90% vs. 51%, p=0.014), a higher proportion of pre-intervention, a Thrombolysis in Myocardial Infarction score of 0 or 1 flow (80% vs. 16%, p<0.001), more chronic total occlusions (40% vs. 10%, p<0.001), and longer implanted stents (41.9±23.2 mm vs. 28.8±14.8 mm, p=0.006). As for CAA morphology, instances of CAA after second-generation DES were predominantly the single fusiform type (90%), whereas instances of CAA after first-generation DES were multiple saccular (47%) and single saccular (35%) types (p<0.001). Myocardial infarction with stent thrombosis occurred in 5 patients with CAA after first-generation DES (15%), and no adverse events were observed in patients with CAA after second-generation DES over a median follow-up duration of 4.3 years (p=0.047, log-rank).ConclusionAlthough CAAs after second-generation DES implantation were detected at a similar incidence to that for CAAs after first-generation DES implantation, second-generation DES-related CAAs had different morphologies and more benign clinical outcomes versus first-generation DES-related CAAs.

| S-EPMC6704022 | biostudies-literature

Rapid Formation of an Infected Coronary Artery Aneurysm With Stent Fracture.

Project description:Infected coronary artery aneurysm (ICAA) is a rare but fatal disease. We describe a case of rapid formation of ICAA with fracture of an intracoronary stent observed on coronary angiography and cardiac computed tomography. Surgery with resection of the aneurysm and coronary artery bypass grafting was performed successfully. (Level of Difficulty: Intermediate.).

| S-EPMC9871074 | biostudies-literature

Ruptured mycotic coronary artery aneurysm hybrid treatment with covered stent and surgical debridement☆

Project description: Not available

| S-EPMC10562108 | biostudies-literature

Serum immunoglobulin G4 and immunoglobulin G1 for distinguishing immunoglobulin G4-associated cholangitis from primary sclerosing cholangitis.

Project description:UnlabelledThe recent addition of immunoglobulin (Ig)G4-associated cholangitis (IAC), also called IgG4-related sclerosing cholangitis (IRSC), to the spectrum of chronic cholangiopathies has created the clinical need for reliable methods to discriminate between IAC and the more common cholestatic entities, primary (PSC) and secondary sclerosing cholangitis. The current American Association for the Study of Liver Diseases practice guidelines for PSC advise on the measurement of specific Ig (sIg)G4 in PSC patients, but interpretation of elevated sIgG4 levels remains unclear. We aimed to provide an algorithm to distinguish IAC from PSC using sIgG analyses. We measured total IgG and IgG subclasses in serum samples of IAC (n = 73) and PSC (n = 310) patients, as well as in serum samples of disease controls (primary biliary cirrhosis; n = 22). sIgG4 levels were elevated above the upper limit of normal (ULN = >1.4 g/L) in 45 PSC patients (15%; 95% confidence interval [CI]: 11-19). The highest specificity and positive predictive value (PPV; 100%) for IAC were reached when applying the 4 × ULN (sIgG4?> 5.6 g/L) cutoff with a sensitivity of 42% (95% CI: 31-55). However, in patients with a sIgG4 between 1 × and 2 × ULN (n = 38/45), the PPV of sIgG4 for IAC was only 28%. In this subgroup, the sIgG4/sIgG1 ratio cutoff of 0.24 yielded a sensitivity of 80% (95% CI: 51-95), a specificity of 74% (95% CI: 57-86), a PPV of 55% (95% CI: 33-75), and a negative predictive value of 90% (95% CI: 73-97).ConclusionElevated sIgG4 (>1.4 g/L) occurred in 15% of patients with PSC. In patients with a sIgG4 >1.4 and <2.8 g/L, incorporating the IgG4/IgG1 ratio with a cutoff at 0.24 in the diagnostic algorithm significantly improved PPV and specificity. We propose a new diagnostic algorithm based on IgG4/IgG1 ratio that may be used in clinical practice to distinguish PSC from IAC.

| S-EPMC4489327 | biostudies-literature

Giant right coronary artery aneurysm associated with coronary-cameral fistula.

Project description: Not available

| S-EPMC3368480 | biostudies-literature

Immune dysregulation in immunoglobulin G4-related disease.

Project description:(IgG4-RD) is an immune-mediated fibrotic disorder characterized by severe resolution of inflammation and dysregulation of wound healing. IgG4-RD has been considered a unique disease since 2003, and significant progress has been achieved in the understanding of its essential features. The central role of B cells in IgG4-RD has been demonstrated by the robust clinical responsiveness of IgG4-RD to B cell depletion and the identification of multiple self-antigens that promote B cell expansion. Studies have increasingly revealed critical roles of these B cells and T cells in the pathogenesis of IgG4-RD, and we and other authors further identified CD4+ cytotoxic T lymphocytes as the main tissue-infiltrating CD4+ T cell subset in IgG4-RD tissues. Additionally, T follicular helper cell subsets that play a role in IgG4 isotype switching have been identified. In this review, we discuss research on IgG4-RD and the roles of B cell and T cell subsets, as well as the functions of CD4+ cytotoxic T cells in IgG4-RD pathogenesis. We highlight our findings from ongoing research using single-cell analysis of infiltrating CD4+ cytotoxic T cells, CD4+ follicular helper T cells, and infiltrating B cells in IgG4-RD and propose a model for the pathogenesis of IgG4-RD.

| S-EPMC9841035 | biostudies-literature

Immunoglobulin G4-related disease in a dog.

Project description:Immunoglobulin G4-related disease (IgG4-RD), which affects many organ systems, has been recognized as a distinct clinical entity in human medicine for just over a decade but has not been previously identified in dogs. In humans, IgG4-RD is characterized by diffuse IgG4-positive lymphoplasmacytic infiltrates that commonly lead to increased serum concentrations of IgG4 and IgE, peripheral eosinophilia, tumorous swellings that often include the parotid salivary glands, obliterative phlebitis, and extensive fibrosis. Herein we describe the diagnosis, clinical progression, and successful treatment of IgG4-RD in an 8-year-old female spayed Husky mixed breed dog. Immunoglobulin G4-related disease should be considered as a differential diagnosis for dogs with vague clinical signs, lymphoplasmacytic swellings, restricted polyclonal gammopathy, eosinophilia or some combination of these findings.

| S-EPMC6872619 | biostudies-literature

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