Effect of SnapShot Freeze 2 on Reducing Pulsation Artifacts in Coronary Artery Imaging of Patients With High Heart Rates

26 March 2026 : Clinical Research

Ke Ning^{ACDEF 1}, Liyi He^{BCE 1}, Wenzhao Zhang^{BEG 1*}, Yufeng Qiu^{BE 1}

DOI: 10.12659/MSM.951305

Med Sci Monit 2026; 32:e951305

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Table 1 Subjective image-quality scores of coronary segments in the diastolic phase (mean±standard deviation).

Coronary segment	Reconstruction algorithm	Mean±SD (95% CI)	F	P
Right coronary arteries	No-SSF	3.54±1.09 (3.23–3.85)	26.97	<0.001
	SSF	4.42±0.83 (4.18–4.66)
	SSF2	4.74±0.52 (4.59–4.89)
Left anterior descending arteries	No-SSF	3.28±1.21 (2.94–3.62)	24.23	<0.001
	SSF	4.34±0.95 (4.07–4.61)
	SSF2	4.56±0.73 (4.35–4.77)
Left circumflex arteries	No-SSF	3.26±1.18 (2.92–3.60)	32.43	<0.001
	SSF	4.40±0.96 (4.13–4.67)
	SSF2	4.68±0.55 (4.53–4.83)
CI – confidence interval; SD – standard deviation; SSF – SnapShot Freeze; SSF2 – SnapShot Freeze 2.

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