前期调糖对冠心病患者<sup>18</sup>F-FDG PET心肌代谢显像图像质量的影响

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Abstract Objective To investigate the effect of early blood glucose regulation on myocardial metabolism imaging quality of ¹⁸F-FDG PET/CT patients with CHD.Methods One hundred and thirty-one patients with CHD and aged 61.1±9.3 (33~79) years (121 males and 10 females, including 68 patients with DM and 63 patients without DM) were enrolled. Fasting oral glucose + intravenous insulin was administered to regulate blood glucose. Fasting blood glucose (FBG), peak blood glucose (PBG), blood glucose during injection(BGinjection), high glucose and insulin dosage were measured before ¹⁸F-FDG PET myocardial metabolism imaging was performed. The image quality was assessedusing the blind scoring method.Results Imaging failed in only one case among the 131 patients, so the success rate of imaging was 99.2%.Analysis of the 130 successful imaging patients with or without diabetes showed that non-diabetic patients were more likely to obtain better-quality images(P=0.002). FBG and BGinjection had an impact on image quality. Patients with low FBG and BGinjection were more likely to obtain high-quality images, and the difference was statistically significant (Both P=0.000), while PBG and the deviation value of blood glucose (BGdeviation)had no significant impact on final image quality (P=0.191 and 0.283, respectively). There was no significant correlation between the insulin/glucose ratio and image quality in the non-diabetic group (P=0.484), but the insulin/glucose ratio in the non-diabetic group was different between groups ofdifferent image quality.The insulin/glucose ratio in the better image quality group (score 3) was higher, with statistically significant difference (P=0.021). Conclusions The success rate of ¹⁸F-FDG PET myocardial metabolism imaging is high with oral glucose + intravenous insulin. The main factors that affectimage quality are FBG and BGinjection. Patients with diabetes need to use higher doses of insulin and lower doses of glucose.

Key words： coronary heart disease diabetesmellitus bloodglucose insulin positron emission tomography deoxyglucose

Received: 17 August 2020

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	Articles by authors
	YIN Liang
	YUE Jianlan
	HUANG Shiming
	ZHANG Qing
	LIU Fei
	WANG Qiuju
	LIN Zhichun

Cite this article:

YIN Liang,YUE Jianlan,HUANG Shiming等. Effect of early blood glucose regulation on myocardial metabolism imaging quality of ¹⁸F-FDG PET in patients with coronary heart disease[J]. Med. J. Chin. Peop. Armed Poli. Forc., 2020, 31(12): 1042-1045.

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http://journal08.magtechjournal.com/Jwk_wjyx/EN/ OR http://journal08.magtechjournal.com/Jwk_wjyx/EN/Y2020/V31/I12/1042

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