5.12 Speckle-Optical Diagnostics of Muscle Activity and …
445
modeled ischemia of a hind limb and in 22–24 days—by 61.2%, compared with the
level of tonic muscle tension at rest in non-operated animals (Fig. 5.48), and can be
considered as a more informative characteristic. The deterioration of the contractive
activity of muscles at the violation of their blood supply was found.
The study of microcirculatory changes in the skin blood flow found that the power
of the spectrum was reduced by 41% in 7 days after the modeling of ischemia of
the hind limb on the operated limbs, and in 22–24 days after surgery by 67%, in
comparison with the level of skin microhemodynamics of the limb before operation
(Fig. 5.49). At the same time, the asymmetry power spectrum of intensity fluctuations
of the speckle-field between the operated and intact limbs during all periods of
Fig. 5.48 State of myotonus and contractile activity of muscles (according to SP data): A—in
intact rabbits; B—in 7 days after modeling hind limb ischemia; C—in 22–24 days after surgery;
asterisk—differences are true with respect to the values of SP in intact rabbits. Reprinted from [87]
with permission
Fig. 5.49 Characteristics of skin blood flow (according to SP data in frequency range of 0–2000
Hz): 1—in intact rabbits; 2—in 7 days after modeling hind limb ischemia; 3—in 22–24 days after
surgery; asterisk—differences are true with respect to the values of SP in intact rabbits. Reprinted
from [87] with permission
445
modeled ischemia of a hind limb and in 22–24 days—by 61.2%, compared with the
level of tonic muscle tension at rest in non-operated animals (Fig. 5.48), and can be
considered as a more informative characteristic. The deterioration of the contractive
activity of muscles at the violation of their blood supply was found.
The study of microcirculatory changes in the skin blood flow found that the power
of the spectrum was reduced by 41% in 7 days after the modeling of ischemia of
the hind limb on the operated limbs, and in 22–24 days after surgery by 67%, in
comparison with the level of skin microhemodynamics of the limb before operation
(Fig. 5.49). At the same time, the asymmetry power spectrum of intensity fluctuations
of the speckle-field between the operated and intact limbs during all periods of
Fig. 5.48 State of myotonus and contractile activity of muscles (according to SP data): A—in
intact rabbits; B—in 7 days after modeling hind limb ischemia; C—in 22–24 days after surgery;
asterisk—differences are true with respect to the values of SP in intact rabbits. Reprinted from [87]
with permission
Fig. 5.49 Characteristics of skin blood flow (according to SP data in frequency range of 0–2000
Hz): 1—in intact rabbits; 2—in 7 days after modeling hind limb ischemia; 3—in 22–24 days after
surgery; asterisk—differences are true with respect to the values of SP in intact rabbits. Reprinted
from [87] with permission