Table 3

Regional Function in Left Circumflex Coronary Artery Territory (mean ± SEM)

ControlLCx OcΔP-ILCx OcΔP-IILCx OcD2.5LCx OcD5LCx OcD5+ΔP-IILCx OcHalo (n = 4)LCx Oc
EDL (mm)10 ± 010.74 ± 0.18a10.06 ± 0.1310.84 ± 0.24a10.19 ± 0.1310.94 ± 0.19a9.88 ± 0.3210.99 ± 0.23b9.71 ± 0.3810.83 ± 0.25b10.15 ± 0.2311.01 ± 0.19b10.34 ± 0.2110.68 ± 0.24
ISOL (mm)9.91 ± 0.0710.96 ± 0.28b10.13 ± 0.2111.04 ± 0.35a10.27 ± 0.2111.20 ± 0.33b10.03 ± 0.2711.48 ± 0.25b9.89 ± 0.4511.44 ± 0.34b10.41 ± 0.3511.57 ± 0.34b10.44 ± 0.25d10.75 ± 0.33
EEjL (mm)7.54 ± 0.2010.49 ± 0.37b7.95 ± 0.2910.85 ± 0.43b8.37 ± 0.2111.07 ± 0.42b7.56 ± 0.2111.04 ± 0.28b7.33 ± 0.3511.10 ± 0.37b8.19 ± 0.3511.37 ± 0.38b8.68 ± 0.16d10.58 ± 0.28a
%SS24.6 ± 2.02.5 ± 2.1b21.2 ± 2.30.1 ± 2.2b17.8 ± 2.0c−1.0 ± 2.7b23.2 ± 2.2−0.6 ± 2.7b24.6 ± 1.3e−2.5 ± 2.0b19.4 ± 2.0−3.3 ± 2.1b15.9 ± 2.2d−2.4 ± 1.4b
%ISOS0.9 ± 0.6−1.9 ± 1.0−0.6 ± 1.2−1.8 ± 1.4−0.7 ± 1.5−2.3 ± 1.7−1.7 ± 1.2d−4.5 ± 2.0b−1.8 ± 1.4c−5.6 ± 1.4a−2.4 ± 1.4c−5.0 ± 1.4a−1.0 ± 1.8−0.6 ± 1.0
%Bulge3.91 ± 1.083.38 ± 1.414.04 ± 1.786.19 ± 2.37fg8.13 ± 1.83fg6.79 ± 1.77fg2.65 ± 0.99
  • a p < 0.05,

  • b p < 0.01 versus pre-left circumflex coronary artery occlusion (LCx Oc).

  • c p < 0.01,

  • d p < 0.05 versus Control.

  • e p < 0.01 versus increase in aortic pressure of 15 to 20 mm Hg during descending aortic constriction (ΔP-II).

  • f p < 0.01 versus Control LCx Oc.

  • g p < 0.05 versus ΔP-II LCx Oc. Other abbreviations as in Table 1andTable 2.