Single plane Simpson's method for measurement of right ventricular volume by X-ray ventriculography.
- Author:
Wei CUI
1
;
Zhi-Qun HAN
;
Yan-Guang FENG
;
Wei-Gang WANG
;
Jing-Chao LU
;
Zi-Ying CHEN
Author Information
- Publication Type:Journal Article
- MeSH: Adolescent; Adult; Aged; Angiocardiography; methods; Cardiac Volume; Child; Child, Preschool; Feasibility Studies; Female; Heart Ventricles; Humans; Male; Middle Aged; Models, Cardiovascular; Ventricular Function, Right; X-Rays; Young Adult
- From: Chinese Journal of Cardiology 2005;33(2):147-149
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVETo study the validity of single plane Simpson's method with conventional X-ray ventriculography for estimation of right ventricular (RV) volume.
METHODSFifteen human RV casts were obtained from 15 subjects who died from non-cardiac causes within 24 hours after death. These casts were photographed respectively and their volumes were calculated by using the single plane Simpson's method based on a new half-circle model. The actual RV cast volumes were determined by water displacement method.
RESULTSThe actual RV volume was (64.23 +/- 24.51) ml and the calculated volume was (58.04 +/- 24.45) ml. The calculated RV volume underestimated the actual volume by (6.19 +/- 12.38) ml, but there was no significant difference between the actual and the calculated RV volume (P > 0.05). There was a significant correlation between the actual cast volume and the calculated volume (r = 0.983, P < 0.01). The regression equation was: RV actual volume = 1.074 x (RV calculated volume).
CONCLUSIONRV volume calculated by single plane Simpson's method with conventional X-ray ventriculography is accurate and deserves further study.
