Detection of Active Inflammation Status Around Ventricular Aneurysms in Patients With Cardiac Sarcoidosis.

Abstract

BACKGROUND:

Little is known about the pattern of isotope accumulation in the heart on 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography in patients with cardiac sarcoidosis (CS) complicated by ventricular aneurysm (VA).Methods and Results:We prospectively enrolled 82 consecutive patients with CS; 54 patients with active CS (presence of abnormal 18F-FDG accumulation in the heart) were subdivided into VA (n=17) and non-VA groups (n=37). Strong 18F-FDG accumulation surrounding the VA and its disappearance in the VA center was observed in all patients with VA, probably because of scar formation at the VA. Peak standardized uptake value was higher around the VA than in the VA center (5.1±2.1 vs. 2.2±0.6, P=0.0003) and the VA center had no 18F-FDG accumulation (VA center: 2.2±0.6 vs. control area: 2.1±0.6, P=0.37). On the other hand, in non-VA patients with LV wall thinning (n=28), 18F-FDG accumulation was significantly high, even in the area of LV wall thinning (LV wall thinning area: 3.1±0.8 vs. control area: 2.0±0.6, P=0.00002).

CONCLUSIONS:

A pattern of strong 18F-FDG accumulation surrounding the VA and its disappearance in the VA center might be characteristic in patients with CS complicated by VA. Careful attention to FDG uptake would further elucidate CS pathophysiology and aid in the early treatment of VA.

• Authors: Takuma Nanno, Shigeki Kobayashi, Ryosuke Yoshitomi, Shohei Fujii, Toshiro Kajii, Michiaki Kohno, Hironori Ishiguchi, Shinichi Okuda, Munemasa Okada, Kazuyoshi Suga, Masafumi Yano
• Journal: Circulation journal : official journal of the Japanese Circulation Society (Circ J) Vol. 83 Issue 12 Pg. 2494-2504 (11 25 2019) ISSN: 1347-4820 [Electronic] Japan
• PMID: 31631075 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)

Chemical References

• Adrenal Cortex Hormones
• Radiopharmaceuticals
• Fluorodeoxyglucose F18

Topics

• Adrenal Cortex Hormones (therapeutic use)
• Adult
• Aged
• Aged, 80 and over
• Cardiomyopathies (diagnostic imaging, drug therapy)
• Female
• Fluorodeoxyglucose F18 (administration & dosage)
• Heart Aneurysm (diagnostic imaging, drug therapy)
• Humans
• Male
• Middle Aged
• Myocarditis (diagnostic imaging, drug therapy)
• Positron Emission Tomography Computed Tomography
• Predictive Value of Tests
• Prospective Studies
• Radiopharmaceuticals (administration & dosage)
• Sarcoidosis (diagnostic imaging, drug therapy)
• Treatment Outcome