Abstract
Background:
Glucocorticoids (GCs) exhibit metabolic risks that may accelerate atherosclerosis. However, their in vivo effects on atherosclerotic plaques remain poorly understood. This case highlights the perilous interplay between chronic GC use and plaque vulnerability during dose reduction.
Case summary:
A 51-year-old male with immune nephritis, chronic kidney disease (CKD), and poorly controlled hypertension presented with unstable angina. Coronary angiography revealed multivessel disease [70% stenosis in the proximal left anterior descending artery (LAD) and 90% in the posterior descending artery]. Initial treatment included angioplasty with a drug-coated balloon in the posterior descending artery, dual antiplatelet therapy, statins, and prednisone (10 mg/day). Seven months later, after self-reducing GCs to 5 mg/day, he suffered an acute myocardial infarction due to LAD plaque rupture, confirmed by optical coherence tomography (OCT) showing fibrolipid-rich plaques, deep calcifications, and minimal lumen area (0.67 mm2). Emergency stenting was performed to stabilize the patient, with no recurrence at 3-month follow-up.
Discussion:
This case underscores the mechanistic duality of GCs. Chronic GC therapy suppresses pro-inflammatory cytokines and macrophage activity, stabilizing plaques by reducing oxidized LDL uptake. However, abrupt tapering may trigger rebound vascular inflammation, destabilizing high-risk lesions. OCT imaging proved critical in identifying vulnerable plaque morphology, emphasizing its role in guiding urgent interventions.
Graphical Abstract
Learning points
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This case underscores the potential role of glucocorticoids (GCs) in plaque stabilization via inflammation suppression while cautioning against abrupt withdrawal in high-risk populations.
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In autoimmune patients with coronary artery disease (CAD), GCs should be approached as a “double-edged sword”—optimizing inflammation suppression while aggressively managing metabolic risks. Advanced imaging and targeted anti-inflammatory therapies are critical tools in this high-stakes clinical scenario.
Introduction
Coronary artery disease (CAD) often occurs in patients with multiple comorbidities, including hypertension and chronic kidney disease (CKD) (, ). The treatment of these patients is complex, as management must balance the risks associated with CAD, kidney disease, and medication therapy (, ).
Glucocorticoids (GCs), commonly used to treat immune nephritis in patients with CKD (), have been linked to cardiovascular side effects, such as promotion of atherosclerosis and vascular wall weakening (, ). Although chronic systemic glucocorticoid excess is positively associated with increased atherosclerosis, emerging evidence suggests a direct causative role of glucocorticoids in the cardiovascular complications related to atherosclerotic plaque formation ().
This case involves a 51-year-old male who initially presented with unstable angina and was later readmitted after experiencing the rupture of the left anterior descending artery (LAD), following a reduction in his glucocorticoid dose. This report highlights a rare but fatal complication of steroid withdrawal in CAD patients and reinforces the need for gradual glucocorticoid tapering in high-risk patients.
Case presentation
A 51-year-old male was admitted to our hospital with a 2-year history of recurrent chest tightness and pain, which had worsened over the past month. He had a 5-year history of poorly controlled hypertension due to irregular use of antihypertensive medications. He also had CKD secondary to immune nephritis, managed with long-term glucocorticoid therapy (prednisone acetate, 10 mg daily). His medical history included bilateral double-J stent placement for nephrolithiasis and previous renal surgeries.
At initial presentation, the patient reported chest pain aggravated by physical activity, associated with upper limb weakness and left-sided back pain. The symptoms were partially relieved with self-administered nitroglycerin. Physical examination revealed stable vital signs [blood pressure (BP) 119/77 mmHg, heart rate 77 bpm], with no significant findings.
Coronary angiography was performed on the second day after admission to clarify the etiology of chest pain. The coronary angiogram revealed significant coronary artery stenosis, with 70% narrowing in the proximal left anterior descending artery (LAD) and 90% stenosis in the posterior descending artery (PD). The other coronary branches showed only mild stenosis (Figures 1A–E). The patient underwent successful coronary angioplasty with drug-coated balloon dilation of the PD (Figure 1F).
Figure 1
The patient was started on appropriate medications, including statins, dual antiplatelet therapy (DAPT) (aspirin and clopidogrel), beta-blockers, and prednisone acetate (10 mg daily). His symptoms improved, and he was discharged with recommendations to continue medications, maintain blood pressure control, and implement lifestyle modifications.
New developments and readmission
Seven months following discharge, the patient was readmitted with acute chest pain and signs of myocardial infarction. He reported increased frequency and intensity of chest pain, which did not resolve with nitroglycerin for the first time. On further inquiry, the patient disclosed that he had reduced his glucocorticoid dose from 10 to 5 mg daily under nephrologist guidance to manage his immune nephritis, as part of an attempt to minimize side effects.
Upon readmission, the patient was found to have a significantly elevated troponin level, suggesting a myocardial infarction. The physical examination showed no new findings; however, the ECG indicated ischemic changes (anterior leads ST segment depression >0.1 mV and T-wave inversion). Cardiac troponin T was slightly elevated (0.070 ng/ml, normal reference range <0.014 ng/ml), while cardiac troponin I was normal (0.038 ng/ml, normal reference range <0.034 ng/ml). Therefore, an urgent coronary angiogram was performed. Angiography revealed severe multivessel coronary lesion with critical stenoses in the proximal LAD (85%), ramus intermedius (RI) (80%), and second obtuse marginal branch (OM2) (90%) and moderate/mild disease in the first obtuse marginal branch (OM1) (60%), mid-right coronary artery (RCA) (50%), and left circumflex branch, posterior descending/posterior lateral (30%) (Figure 2). Compared with the coronary artery disease observed 7 months ago, significant progression has occurred in certain coronary lesions, particularly in the LAD, ramus intermedius (RI), and OM2. Furthermore, angiographic findings suggest possible plaque rupture in the LAD, based on its morphology (e.g., irregular borders, contrast staining, or ulceration). To further assess the pathology in the LAD, optical coherence tomography (OCT) was performed (Figure 3). The OCT of the LAD revealed fibrolipid-rich plaques with a proximal rupture site, focal deep calcifications, a critically narrowed lumen (MLA 0.67 mm2), and high plaque burden, confirming a vulnerable, unstable lesion likely driving the patient's clinical deterioration. This aligns with the angiographic progression.
Figure 2
Figure 3
Due to the rupture of the LAD, the patient underwent emergent revascularization with stenting of the ruptured segment. Meanwhile, the severe progressive lesions of RI and OM2 were also revascularized with a stent or DCB (Figures 2E,F). Following the LAD plaque rupture, DAPT was escalated to aspirin plus prasugrel. The patient reported no recurrence of chest pain or discomfort postoperatively and was discharged on optimal medical therapy with prednisone acetate (5 mg daily).
Follow-up
At the 3-month outpatient follow-up, the patient reported no recurrence of chest tightness or angina, even during physical activity. He also demonstrated consistent adherence to his prescribed medications (dual antiplatelet therapy, statin, and prednisone acetate 5 mg daily).
Discussion
This case is the first to report coronary plaque rupture in a patient with reduced glucocorticoid therapy. This underscores the interplay between chronic GC use and coronary plaque vulnerability. Steroid tapering in high-risk CAD patients requires gradual titration to avoid rebound potential vascular inflammation and catastrophic complications (e.g., plaque rupture). Advanced imaging (such as OCT) is critical for identifying high-risk lesions and guiding urgent intervention.
Mechanistic duality of GCs
GCs have been reported to exert anti-inflammatory effects. However, their in vivo effects on atherosclerotic plaques remain poorly understood. Emerging evidence suggests that GCs inhibit pro-inflammatory cytokines () and stabilize vulnerable plaques by reducing macrophage activity () and necrotic core formation (). Clinically relevant concentrations of glucocorticoids may shift human macrophages to a less inflammatory state, thus reducing their ability for oxidized LDL uptake (). Glucocorticoid exposure may contribute to plaque stabilization. These findings suggest that glucocorticoids may help prevent ischemic events in patients with advanced atherosclerosis ().
Unfortunately, glucocorticoids also have some metabolic and cardiovascular detriments (). Chronic use of glucocorticoids exacerbates insulin resistance (), dyslipidemia (), and hypertension (), accelerating atherosclerosis (, ). A population-based cohort study reported an increased risk of CVDs associated with glucocorticoid dose intake even at low doses (<5 mg) in six immune-mediated diseases (). These results highlight the importance of prompt and regular monitoring of cardiovascular risk and use of primary prevention treatment at all glucocorticoid dose levels ().
Given the mechanistic duality of GCs for the current case, it may highlight the patient's inflammation-driven atherosclerosis (e.g., likely due to immune nephritis) (), where the anti-inflammatory effects of GCs outweighed their metabolic and cardiovascular risks. This suggests that dose reduction led to rebound inflammation, destabilizing plaques based on the plaque rupture and atherosclerosis progression in this case.
Inflammatory reactions probably increase plaque instability, possibly resulting in plaque rupture, fissuring, or erosion and setting up the substrate for the thrombotic response that causes myocardial damage or infarction (). The Canakinumab Antiinflammatory Thrombosis Outcome Study (CANTOS) demonstrated that anti-inflammatory therapy targeting the interleukin-1β innate immunity pathway with canakinumab at a dose of 150 mg every 3 months led to a significantly lower rate of recurrent cardiovascular events than placebo, independent of lipid-level lowering ().
In this case, an OCT evaluation was not performed at baseline due to patient's propensity. However, follow-up OCT revealed that it was indeed a lipid-rich fibroatheroma in LAD (left untreated) that subsequently ruptured and caused AMI. As the CLIMA study (Relationship Between OCT Coronary Plaque Morphology and Clinical Outcome) proved, the presence of any thin-cap fibroatheroma (TCFA) was fivefold as prevalent and similarly predictive of 5-year adverse outcomes ().
Clinical implications
Sustained vascular inflammation, a hallmark of high-risk atherosclerosis, impairs plaque stabilization in this phenotype (). There is some evidence to guide glucocorticoid tapering in systemic lupus erythematosus and rheumatoid arthritis (). However, lack of evidence to guide glucocorticoid tapering for atherosclerosis patients with autoimmune diseases, such as immune nephritis. From the case of plaque rupture, we advocate for cautious GC tapering in high-risk patients, with monitoring of inflammatory markers and plaque stability (e.g., via coronary imaging).
Some propose adjunctive therapies (e.g., advanced targeted anti-inflammatories, statins) to mitigate risks during GC withdrawal.
Conclusion
This case underscores the delicate balance required in managing GC therapy for high-risk CAD patients with autoimmune conditions. A nuanced approach—gradual GC tapering, vigilant monitoring, and adjunctive therapies—might mitigate rebound inflammation and catastrophic events. Future research should focus on potential critical mechanisms of GC on plaque progression.
Statements
Data availability statement
The original contributions presented in the study are included in the article/Supplementary Material; further inquiries can be directed to the corresponding author/s.
Ethics statement
The studies involving humans were approved by the Peking University Shenzhen Hospital Ethics Committee. The studies were conducted in accordance with the local legislation and institutional requirements. The participants provided their written informed consent to participate in this study. Written informed consent was obtained from the participant/patient(s) for the publication of this case report.
Author contributions
JW: Writing – original draft, Methodology, Conceptualization, Data curation, Investigation, Supervision, Software, Writing – review & editing. FP: Writing – original draft, Software, Conceptualization, Investigation, Writing – review & editing. RL: Writing – original draft, Software, Investigation, Writing – review & editing, Conceptualization. WC: Supervision, Investigation, Methodology, Software, Data curation, Writing – review & editing, Conceptualization, Writing – original draft. SS: Methodology, Validation, Project administration, Formal analysis, Supervision, Software, Data curation, Writing – original draft, Writing – review & editing, Investigation, Conceptualization. TX: Investigation, Supervision, Funding acquisition, Conceptualization, Formal analysis, Project administration, Writing – review & editing, Data curation, Writing – original draft, Methodology, Validation.
Funding
The authors declare that financial support was received for the research and/or publication of this article. This work was supported by the Shenzhen Innovation Committee of Science and Technology (grant number JCYJ20230807095807016 to TX).
Conflict of interest
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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Summary
Keywords
case report, glucocorticoid tapering, coronary plaque rupture, optical coherence tomography, immune nephritis, inflammation-driven atherosclerosis
Citation
Weng J, Piao F, Lai R, Chen W, Sun S and Xu T (2025) Case Report: Coronary plaque rupture following glucocorticoid tapering in a high-risk CAD patient with immune nephritis: mechanistic insights and clinical implications. Front. Cardiovasc. Med. 12:1625491. doi: 10.3389/fcvm.2025.1625491
Received
09 May 2025
Accepted
11 August 2025
Published
09 September 2025
Volume
12 - 2025
Edited by
Tommaso Gori, Johannes Gutenberg University Mainz, Germany
Reviewed by
Flavio Giuseppe Biccirè, Sapienza University of Rome, Italy
Ornela Velollari, Johannes Gutenberg University Mainz, Germany
Updates
Copyright
© 2025 Weng, Piao, Lai, Chen, Sun and Xu.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
*Correspondence: Tan Xu xutan0501@pku.org.cn Shuai Sun sunshuai@163.com
Disclaimer
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.