The setting of heartbeat acceptance windows on gated myocardial perfusion single-photon emission computed tomography using CZT camera: effect of left ventricular functional parameters in patients with arrhythmia
The setting of heartbeat acceptance windows on gated myocardial perfusion single-photon emission computed tomography using CZT camera: effect of left ventricular functional parameters in patients with arrhythmia
复制标题
CZT相机门控心肌灌注单光子发射计算机断层扫描心跳接受窗的设置：心律失常患者左心室功能参数的影响
DOI：
10.1097/mnm.0000000000001417
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发表时间：
2021
影响因子：
1.5
通讯作者：
Onoguchi Masahisa
中科院分区：
文献类型：
--
作者：
Tsuboi Kunihito;Nagaki Akio;Shibutani Takayuki;Kawakami Yuji;Onoguchi Masahisa
目的心率直方图呈多峰的连续性变异（如二联律和三联律）是心律失常的类型之一。我们用碲锌镉（CZT）摄像机研究了恒定变量患者门控误差对左心室功能的影响。本研究的目的是评价左室功能参数，通过设置不同的心跳接受窗口门控心肌灌注单光子发射计算机断层扫描（SPECT）（MPS）在一贯可变patients.Materials和methodsSixteen一贯可变患者进行门控MPS使用D-SPECT。通过设置两种不同类型的心跳接受窗口获得MPS图像。结果平均舒张末期容积、收缩末期容积和左室射血分数（LVEF）分别为单峰112. 7 mL、62. 2 mL和51. 3%，双峰114. 5 mL、66. 1 mL和47. 1%，双峰113. 0 mL，超声心动图分别为54.2 mL和54.1%。两个峰值与回波之间的平均差值大于一个峰值与回波之间的平均差值。结论我们的研究表明，设置一个峰值的心跳接受窗口是适合于准确测量左室功能的一致性变量的患者。
ObjectivesConsistently variable with several peaks in heart rate histogram (eg bigeminy and trigeminy) is one of the arrhythmia types. We investigated the effects of gating error by consistently variable patients on left ventricular (LV) functional with cadmium zinc telluride (CZT) camera. The purpose of this study is to evaluate LV functional parameters by setting different heartbeat acceptance windows on gated myocardial perfusion single-photon emission computed tomography (SPECT)(MPS) in consistently variable patients, using echocardiography (echo) as a reference.Materials and methodsSixteen consistently variable patients underwent the gated MPS using a D-SPECT. The MPS images were obtained by setting two different types of heartbeat acceptance windows. The heartbeat acceptance windows were set to include only one peak and two peaks of the maximum count peaks, respectively.ResultsMean end-diastolic volume, end-systolic volume and left ventricular ejection fraction (LVEF) were 112.7 mL, 62.2 mL and 51.3% for one peak, 114.5 mL, 66.1 mL and 47.1% for two peak, and 113.0 mL, 54.2 mL and 54.1% for echo, respectively. The mean differences between two peaks and echo in LVEF were larger than those of between one peak and echo.ConclusionOur study suggests that setting the heartbeat acceptance window of one peak was suitable for accurate measurement of LV function in consistently variable patients.
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影响因子：
1.5
作者：
Goto T;Wakami K;Fukuta H;Fujita H;Tani T;Ohte N
通讯作者：
Ohte N
影响因子：
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2.4
作者：
Emmett, Louise;Ng, Austin;Kritharides, Leonard
通讯作者：
Kritharides, Leonard