Case Report
Copyright ©The Author(s) 2015. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Mar 21, 2015; 21(11): 3376-3379
Published online Mar 21, 2015. doi: 10.3748/wjg.v21.i11.3376
Proposed case of mesalazine-induced cardiomyopathy in severe ulcerative colitis
Kathryn Fleming, Andrew Ashcroft, Christopher Alexakis, Demitrios Tzias, Christopher Groves, Andrew Poullis
Kathryn Fleming, Andrew Ashcroft, Christopher Alexakis, Demitrios Tzias, Christopher Groves, Andrew Poullis, Department of Gastroenterology, St Georges Hospital, SW17 0QT London, United Kingdom
Author contributions: Fleming K and Alexakis C wrote the case presentation and acquired clinical data; Ashcroft A and Alexakis C wrote and referenced the case discussion; Tzias D wrote radiology section and selected appropriate image; Groves C and Poullis A contributed to the writing of all sections as well as the design of the report.
Supported by grants from NHS St Georges Hospital.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Kathryn Fleming, MD, Department of Gastroenterology, St Georges Hospital, Blackshaw Road, SW17 0QT London, United Kingdom. katym.fleming@gmail.com
Telephone: +44-20 86721255 Fax: +44-20-87253855
Received: July 25, 2014
Peer-review started: July 26, 2014
First decision: October 14, 2014
Revised: October 25, 2014
Accepted: December 1, 2014
Article in press: December 1, 2014
Published online: March 21, 2015

Abstract

Five-amino salicylic acids are recommended for use in the management of inflammatory bowel disease, cardiac complications are a rare although recognised phenomenon. This report aims to highlight this serious but rare adverse reaction. We report here a case of a young man presenting with cardiogenic shock in the context of recent mesalazine treatment in severe ulcerative colitis.

Key Words: Ulcerative colitis, Mesalazine, Cardiomyopathy, Adverse reactions

Core tip: A rare but serious occurrence in ulcerative colitis is myocarditis which can often be life-threatening. Whether 5-amino salicylic acids induced (as proposed here), or an autoimmune phenomenon in acute disease flare-ups, prompt recognition and treatment will be of benefit in the clinical setting.



INTRODUCTION

Five-amino salicylic acids (5-ASA) are recommended for use in the management of inflammatory bowel disease and are commonly prescribed by both gastroenterologists and general physicians[1]. Serious reactions are rare, but recognised side effects include pancreatitis, interstitial nephritis, blood dyscrasias and Stevens Johnson syndrome. Cardiac side effects from 5-ASA agents are extremely uncommon.

CASE REPORT

A previously fit and well, non-smoking 31 year old male, presented with a 6 wk history of progressive diarrhoea, rectal bleeding and abdominal pain. Flexible sigmoidoscopy revealed severe confluent inflammation from the rectum to the point of insertion in the mid-sigmoid. Microscopy and stool culture were negative. Colonic biopsies showed moderate active chronic colitis, consistent with the endoscopic suspicion of ulcerative colitis, and so he was started on high dose oral mesalazine (2.4 g twice daily) with a view to a prompt outpatient follow up within the next few days.

Three days later he presented to the emergency department with chest pain, raised inflammatory markers and an elevated troponin. Initial ECG showed ST depression and biphasic T waves in leads V4-5 with no reciprocal changes. Mesalazine therapy was stopped at this stage. His condition deteriorated with cardiogenic shock developing, which required increasing inotropic support and subsequent insertion of an intra-aortic balloon pump. Coronary angiography was normal. Subsequent cardiac magnetic resonance imaging (MRI) revealed concentric hypertrophy and mildly impaired ejection fraction but no pericardial abnormalities. STIR2 imaging was suggestive of an acute inflammatory cardiac process. Gadolinium contrast studies excluded thrombi but showed diffuse heterogeneous enhancement of the myocardium suggestive of an atypical myocarditis, although other infiltrative cardiac pathologies (including sarcoid) were postulated (Figure 1). Serum virology showed no acute viral illness (previous parvovirus and previous Epstein-Barr virus positive but negative human immunodeficiency virus, Hepatitis B, Hepatitis C, influenza viruses A and B, coxsackie, CMV, adenovirus and enterovirus). An abdomen ultrasound scan was also unremarkable.

Figure 1
Figure 1 In the “normal” image (A) and “abnormal” image (B) in the late phase of gadolinium enhanced study. A: No enhancement in noted in the myocardium; B: There is diffuse, heterogeneous enhancement of the left and right ventricular myocardium as well as the interventricular septum in the late phase of gadolinium enhancement study.

A diagnosis of myocarditis was highly suspected on clinical grounds and on day 2 of admission he underwent a cardiac biopsy. This showed several capillaries distended with microthrombi, myocyte vacuolation, interstitial oedema and focal haemorrhage. There was no evidence of vasculitis, fibrosis or amyloidosis. Similarly, there was no evidence of acute inflammatory infiltrate. On day 3 he suffered a cerebrovascular event manifest as acute right hemiplegia, right facial droop and dysarthria and he was treated with a heparin infusion. CT and subsequent MRI showed several acute and deep white matter infarcts highly suggestive of a cardiac source and bubble echo showed no evidence of intracardiac shunting.

Day 6 of admission he was weaned from inotropic and mechanical support. He was stepped-down from level 3 care. By day 10 repeat echo revealed significant improvement of left ventricular function and normal dimensions.

Throughout this period his ulcerative colitis progressed. Due to persistent bloody stool and resulting transfusion requirement his heparin infusion was discontinued and he was started on parenteral steroid therapy. Despite this, his clinical and biochemical parameters did not improve and he was commenced on a ciclosporin infusion as a bridging agent to long term azathioprine therapy. His colitis responded rapidly to the ciclosporin and he was converted to oral preparation. Following further neurological physiotherapy input with regards to his mild-moderate expressive language difficulty he was discharged home 27 d after his admission.

DISCUSSION

5-ASA have been shown to be efficacious in active Crohn’s and ulcerative colitis, for inducing remission in ulcerative colitis[2,3] and are generally regarded as safe and well tolerated medications. Whilst the rate of reported common side effects including headache, dyspepsia or nausea can be high, one systematic review showed that the rate of adverse events or withdrawal from treatment is actually comparable to placebo[4]. Serious reactions are far rarer, but recognised side effects include pancreatitis, interstitial nephritis, blood dyscrasias and Stevens Johnson syndrome. Cardiac side effects from 5-ASA agents are extremely uncommon.

Acute cardiac complications in inflammatory bowel disease are also uncommon[5]. The most commonly reported complication is pericarditis, and in many cases this has been linked to the medications used to manage the disease[6]. In rare circumstance myocarditis has been described as a manifestation of inflammatory bowel disease (Table 1) however the temporal relationship with the onset of our patients’ symptoms and the start of his medication would indicate a causal relationship.

Table 1 Demonstrating cases of myocarditis presenting in ulcerative colitis and Crohn’s disease not thought to be related to viral aetiology, inflammatory bowel disease treatment, selenium deficiency or TPN.
Case reportBrief summary
Ulcerative colitis
[7]Fatal giant cell myocarditis after colectomy for ulcerative colitis
[8]Idiopathic giant-cell myocarditis-natural history and treatment. Describes two cases of myocarditis in ulcerative colitis
[9]Giant cell myocarditis monocytic immunophenotype of giant cells in a case associated with ulcerative colitis
[10]Ulcerative colitis complicated by myopericarditis and complete artioventricular block
[11]Myopericarditis complicating ulcerative colitis
[12]Acute peri-myocarditis in ulcerative colitis
[13]Transient myocarditis associated with fulminant colitis
[14]Giant cell myocarditis (subacute congestive heart failure in context of colitis)
[15]Fatal giant-cell myocarditis complicated with ulcerative colitis
Crohn’s Disease
[16]A Case of Acute Myocarditis as the Initial Presentation of Crohn's Disease
[8]Idiopathic giant-cell myocarditis-natural history and treatment. Describes one case of myocarditis in crohn’s disease
[17]Transmural inflammation consisting of lymphocytic infiltration in context of severe malnutrition leading to sudden death in Crohn´s Disease
[18]Myocarditis and subcutaneous granulomas in a patient with Cohn’s disease of the colon
[19]Myocarditis in children with inflammatory bowel disease

Cardiac hypersensitivity to 5-ASA therapy has been reported in a small number of case studies. It was first suggested in the Lancet in 1989, where a possible myocarditis was proposed[20], and the first reported death from myocarditis associated with mesalazine was in 1990[21]. The exact mechanism by which mesalazine causes a myocarditis has not been clearly determined, but a hypersensitivity reaction with eosinophilic infiltration has been proposed[22-24].

The temporal relationship between this otherwise fit and well young patient developing rapidly progressive and severe cardiomyopathy with resultant cardiogenic shock soon after starting on mesalazine strongly suggests a link between the disease process or treatment. The onset of cardiac symptoms and impaired function correlate with the starting of 5-ASA treatment and the subsequent improvement shortly after cessation, despite a relative worsening in his ulcerative colitis over the same period would strengthen the case for medication being the culprit. Whilst the cardiac MRI and biopsy do not show definitive evidence of myocarditis and the rapidity of cardiac deterioration contrasting with previous reports suggesting a typical period of two weeks following commencement of treatment prior to presentation, with some even up to years after starting 5-ASAs, there are limited numbers of cases reported so far and the rapid improvement on cessation of therapy, as in this case, is more typical[25].

5-ASA agents are both efficacious and generally safe in the management of inflammatory bowel disease, and whilst serious and potentially life-threatening complications may occur, these are very rare and should not necessarily discourage their use. This case aims to highlight and raise awareness of one such potential complication to ensure its consideration, prompt recognition and diagnosis in the future.

COMMENTS
Case characteristics

Acute myocarditis post mesalamine treatment leading to cardiogenic shock in severe ulcerative colitis.

Clinical diagnosis

Chest pain very short followed by cardiogenic shock requiring inotropic support.

Differential diagnosis

Viral myocarditis, autoimmune myocarditis.

Laboratory diagnosis

Raised troponin and inflammatory markers at diagnosis with a negative acute virology screen only revealing past EBV and parvovirus infection.

Imaging diagnosis

Cardiac magnetic resonance imaging showing diffuse, heterogeneous enhancement of the left and right ventricular myocardium.

Pathological diagnosis

Cardiac biopsy showing several capillaries distended with microthrombi, myocyte vacuolation, interstitial oedema and focal haemorrhage with Colonic biopsy showing moderate active chronic colitis.

Treatment

This gentleman underwent a very short course of high dose mesalamine therapy.

Related reports

There are a small number of five-amino salicylic acids (5-ASA) induced myocarditis cases in inflammatory bowel disease, however the mechanism is not well understood and it remains a serious but rare occurrence.

Term explanation

STIR2 imaging - Short tau inversion recovery, a fat suppression technique to better distinguish tissue components.

Experiences and lessons

This case report highlights a rare but potentially life threatening adverse effect of 5-ASA treatment for ulcerative colitis.

Peer-review

This is an interesting case of a rare side effect of a drug which is usually thought to be a “benign” agent. It is well written.

Footnotes

P- Reviewer: Ahluwalia NK, Desai DC, Meucci G, Shussman N S- Editor: Ma YJ L- Editor: A E- Editor: Liu XM

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