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 2 Subjective image-quality scores of coronary segments in the systolic phase (mean±standard deviation).

Coronary segment	Reconstruction algorithm	Mean±SD (95% CI)	F	P
Right coronary arteries	No-SSF	3.91±0.96 (3.62–4.20)	21.00	<0.001
	SSF	4.58±0.72 (4.37–4.79)
	SSF2	4.83±0.42 (4.72–4.94)
Left anterior descending arteries	No-SSF	3.67±1.11 (3.33–4.01)	21.01	<0.001
	SSF	4.55±0.82 (4.32–4.78)
	SSF2	4.74±0.65 (4.55–4.93)
Left circumflex arteries	No-SSF	3.51±1.20 (3.17–3.85)	26.21	<0.001
	SSF	4.53±0.87 (4.29–4.77)
	SSF2	4.74±0.53 (4.59–4.89)
CI – confidence interval; SD – standard deviation; SSF – SnapShot Freeze; SSF2 – SnapShot Freeze 2.

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