Case Report

Sudden Cardiac Death due to Coronary Artery Vasculitis in a Patient with Relapsing Polychondritis

Table 1

Comparison of our patient with five published case reports describing RP with concomitant coronary artery disease.

ReferenceAge (yrs.)/sexRP manifestationsTherapy prior to cardiac diseaseCardiac manifestations (duration of RP at the time of onset)RP disease activity at time of cardiac diagnosisTherapyResponse to therapy/clinical outcome

This case report55/MAuricular chondritis
Nasal deformity
Polyarthritis
Respiratory chondritis
AdalimumabObliterative coronary arteritisWell-controlledMethotrexate
Etanercept
Mycophenolate
Mofetil
Lefulunomide
Minocycline
Prednisone
Etolac
Sudden cardiac death

Bowness et al. 1991 [8]33/MAuricular chondritis
Nasal collapse
Polyarthritis
Respiratory chondritis
Prednisolone (10 mg/day)Complete heart block (4 wks.)
Acute aortic incompetence (8 wks.)
Coronary vasculitis detected postmortem
Active: elevated CRP, right auricular chondritis, inflamed vocal cords, hoarsenessPacemaker
AVR
Prednisolone (60 mg/day)
Cyclophosphamide (oral, 2 mg/kg/day)
Fatal acute heart failure (5 weeks postop.)

Vaidynathan et al. 2006 [12]26/FAuricular chondritis
Nasal bridge depression
Prednisolone (10 mg/day for 1 year)Severe aortic regurgitation (2 yrs.)
Anterior and lateral wall myocardial infarction with right and left coronary artery ostial stenosis (34 mos.)
InactiveAVR
Prednisolone (20 mg/day)
Fatal cardiac arrest awaiting coronary artery bypass grafting

Stein et al. 2008 [11]30/MAuricular chondritis
Nasal chondritis Uveitis
Prednisone (30 mg/day for 3 weeks)Asymmetric proximal aorta and aortic root wall thickening, stenosis of ostium of left and right main coronary arteries, right external iliac artery stenosis (5 yrs.)
Positive cardiac stress test (5 yrs.)
Critical coronary stenosis (6 yrs.)
Active: auricular chondritis
Normal inflammatory markers
AVR
CABG
Prednisone (1 mg/kg/day)
Cyclophosphamide (oral, 100 mg/kg/day)
Infliximab (5 mg/kg/dose)
Improvement in symptoms following surgery

McCarthy and Cunnane 2010 [15]45/MAuricular deformity
Nasal deformity
Arthralgia
Bilateral sensorineural deafness
Methotrexate
Azathioprine
Cyclosporine A
Infliximab
Corticosteroids
Rituximab
Severe aortic incompetence, normal aortic root, stenosis of main left and right coronary arteries (16 yrs.)Active: elevated CRPAVR
CABG
Azathioprine
Clinical remission after 18 mos.

Sugrue et al. 2014 [16]51/MAuricular chondritis
Arthritis
Aortic root dilation
N/AAortic root dilation (at time of diagnosis)
Femoral bruit (4 mos.)
Critical left main stem ostial stenosis (8 mos.)
Progression of aortitis (36 mos.)
Active: elevated inflammatory markers that became quiescent with cardiac disease progressionPrednisolone (1 mg/kg)
MTX (25 mg/wk)
Infliximab
(IV 5 mg/kg, 6 weekly initially, increased to 10 mg/kg, 6 weekly)
Normalization of inflammatory markers Asymptomatic after 12 mos.

AVR, aortic valve replacement; CABG, coronary artery bypass grafting; MTX, methotrexate.