PMID- 17904725 OWN - NLM STAT- MEDLINE DCOM- 20080430 LR - 20191210 IS - 0301-5629 (Print) IS - 0301-5629 (Linking) VI - 34 IP - 1 DP - 2008 Jan TI - Impact of the number of image planes of real-time three-dimensional echocardiography on the accuracy of left atrial and ventricular volume measurements. PG - 40-6 AB - Real-time three-dimensional (3D) echocardiography (RT-3DE) has emerged as a new technique in measuring left atrial and ventricular volume. However, the impact of cutting planes of RT-3DE on the accuracy of volume measurement in patients with a normal or enlarged heart is still unknown. We enrolled 30 normal subjects (control group) and 30 patients with heart failure (patient group). RT-3DE was performed to measure maximal volume of the left atrium (LAVmax) and left ventricular end-diastole volume (LVEDV) with 2-, 4-, 8- and 16-cutting planes, compared with cardiac magnetic resonance imaging (CMRI). In both groups, LAVmax by RT-3DE using 2- and 4-cutting planes was significantly underestimated (mean difference: -10.4 +/- 16.6 mL, p = 0.001 and -8.8 +/- 14.2 mL, p = 0.002 in the control group and -13.4 +/- 19.6 mL, p = 0.001 and -11.2 +/- 17.5 mL, p = 0.001 in the patient group, respectively). These differences became nonsignificant when 8- and 16-cutting planes were adopted (mean difference: -2.1 +/- 7.6 mL and -1.9 +/- 7.4 mL in the control group and -2.7 +/- 8.4 mL and -2.2 +/- 8.3 mL in the patient group, respectively). The agreement for LVEDV was acceptable when 4- or more cutting planes were used in the control group and when 8- or 16-cutting planes were used in the patient group. The time expense for data analysis of LAVmax with 8-image planes was only 7 +/- 4 min in the control group and 6 +/- 5 min in the patient group, almost halving that of the 16-image planes. Similarly, 4- and 8-cutting planes were required for an accurate measurement of LVEDV in the control and patient groups, respectively. In conclusion, RT-3DE with 8-cutting planes is both accurate and timesaving for measurement of LAVmax and LVEDV in patients with normal or enlarged left atria and ventricles. FAU - Li, Fang AU - Li F AD - Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital, Shandong University, Shandong, P. R. China. FAU - Wang, Qian AU - Wang Q FAU - Yao, Gui Hua AU - Yao GH FAU - Zhang, Peng Fei AU - Zhang PF FAU - Ge, Zhi Ming AU - Ge ZM FAU - Zhang, Mei AU - Zhang M FAU - Zhang, Yun AU - Zhang Y LA - eng PT - Evaluation Study PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20070929 PL - England TA - Ultrasound Med Biol JT - Ultrasound in medicine & biology JID - 0410553 SB - IM MH - Adult MH - Cardiomyopathy, Dilated/diagnostic imaging/pathology MH - Echocardiography, Three-Dimensional/*methods MH - Female MH - Heart Atria/diagnostic imaging/pathology MH - Heart Failure/*diagnostic imaging/pathology MH - Heart Ventricles/diagnostic imaging/pathology MH - Humans MH - Image Interpretation, Computer-Assisted/methods MH - Magnetic Resonance Imaging/methods MH - Male MH - Middle Aged MH - Observer Variation MH - Reproducibility of Results EDAT- 2007/10/02 09:00 MHDA- 2008/05/01 09:00 CRDT- 2007/10/02 09:00 PHST- 2007/03/29 00:00 [received] PHST- 2007/07/11 00:00 [revised] PHST- 2007/07/21 00:00 [accepted] PHST- 2007/10/02 09:00 [pubmed] PHST- 2008/05/01 09:00 [medline] PHST- 2007/10/02 09:00 [entrez] AID - S0301-5629(07)00381-X [pii] AID - 10.1016/j.ultrasmedbio.2007.07.012 [doi] PST - ppublish SO - Ultrasound Med Biol. 2008 Jan;34(1):40-6. doi: 10.1016/j.ultrasmedbio.2007.07.012. Epub 2007 Sep 29.