Table 5.
Left Atrial Volumes: Prior Studies.
| Author | Year | n | Age | Population | Formula | Mean | Men | Women |
|---|---|---|---|---|---|---|---|---|
| Lester | 1999 | 98 98 98 |
59 59 59 |
random patients; prosthetic valve excluded |
M-mode/sphere V=4/3 Π r3 from M-mode LA LA dimension (PLA) single plane A4C MOD biplane MOD |
39±20 58±30 64±30 |
- - - |
- - - |
| Tsang | 2001 | 1655 | 75±7 no AF | retrospective | modified biplane A-L method |
62±25 | ||
| Wang | 1984 | 51 | 37 | normal | biplane MOD |
35±10 | 38±10 | 32±10 |
| Ren | 1983 | 12 | 53±12 (23–65) |
normal | area-length | 43±13 | 46±16 | 40±10 |
| Pearlman | 1990 | 72 | "adults" | Hospital employees |
V=4/3 π r1r2r3 | 42 upper limit of normal |
- | - |
| Pritchett (2D directed M-mode) |
2003 | 56±7 | Olmstead County “reference group” |
V=4/3 π r1r2r3 | 42±11 | |||
| Current Study (2-D) |
2008 | 230 | 77 | CHS population V=4 π /3 r1r2r3 |
V=4/3 π r1r2r3 | 32±11 | 27±10 |