(Circulation. 1998;98:92-93.)
© 1998 American Heart Association, Inc.
Images in Cardiovascular Medicine |
Giant Coronary Aneurysm of Kawasaki Disease Developing During Postacute Phase
Tomio Kobayashi, MD;
Katsuhiko Sone, MD;
Makoto Shinohara, MD;
Takashi Kosuda, MD;
; Toshihiro Kobayashi, MD
From the Department of Cardiology, Gunma Children's Medical Center,
and the Department of Pediatrics, Gunma University School of Medicine
(Toshihiro Kobayashi), Gunma, Japan.
Correspondence to Tomio Kobayashi, MD, The Department of Cardiology, Gunma Children's Medical Center, 779 Hokkitsu, Gunma 377, Japan.
The patient suffered
from Kawasaki disease at 5 months of age. The first angiography,
performed 14 months after the onset of disease, showed a right
coronary aneurysm with a maximal diameter of 6 mm
and normal left coronary artery (Figure 1
). Dipyridamole and
propranolol were given as antiplatelet therapy and for
reduction of myocardial oxygen consumption, respectively. The second
angiography, performed 6 years later, revealed enlargement of the right
coronary aneurysm, with a maximal diameter of 15
mm (Figure 2
). Treatment with
dipyridamole and propranolol was continued.
Ten years later, when the patient was 17 years old, the chest
radiograph showed bulging of the right cardiac border. MRI demonstrated
a giant coronary aneurysm (Figure 3
). The findings of the ECG did not
indicate myocardial ischemia. The third angiography, performed
at 18 years of age, showed a giant right coronary
aneurysm with a maximal diameter of 86 mm and normal left
coronary artery (Figure 4
).
Because of the imminent risk of rupture, aortocoronary bypass
with saphenous vein graft and aneurysmectomy were performed.
Pathological studies of the coronary aneurysm showed
marked intimal thickening due to fibrocellular proliferation,
disappearance of the elastica interna, and thickening of the media
(Figure 5
).

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Figure 1. First angiography shows right coronary
aneurysm with a maximal diameter of 6 mm.
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Figure 2. Second angiography, performed at 7 years of age,
shows enlargement of right coronary aneurysm, with a
maximal diameter of 15 mm.
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Figure 3. MRI (spin-echo image) shows giant coronary
aneurysm compressing . . . [Full Text of this Article] |
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