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Doppler ultrasound in mice
1Department of Cardiology and Angiology, Hospital of the University of Münster, Germany. stypmann@mednet.uni-muenster.de
Echocardiography (Mount Kisco, N.Y.)
|January 12, 2007
Summary
Doppler ultrasound enables noninvasive, serial assessment of cardiovascular and circulatory function in mice, from embryonic development to senescence. This technique is crucial for comprehensive phenotype characterization in research settings.
Area of Science:
- Cardiovascular Research
- Medical Imaging
- Mouse Models
Background:
- Doppler ultrasound techniques (color, power, spectral, tissue) are established for mouse cardiovascular assessment.
- Noninvasive serial measurements are vital for tracking changes over time in research settings.
Purpose of the Study:
- To review the current applications of Doppler ultrasound in mice for cardiovascular and circulatory function analysis.
- To highlight its utility in comprehensive phenotype characterization.
Main Methods:
- Utilizes ultrasound biomicroscopy (50 MHz) for embryonic heartbeats and Doppler flow signals.
- Employs 10- to 20-MHz transducers for embryonic and postnatal cardiac and circulatory studies.
- Covers applications from embryonic stage 5 to senescent adult mice.
Main Results:
- Doppler ultrasound allows early detection of cardiac function in mouse embryos (from somite stage 7).
- Serial measurements are feasible in wild-type and genetically altered mice, before and after procedures.
- Strain-, age-, and gender-related differences in Doppler findings are reported.
- Experimental conditions (stress, anesthesia) influence results.
Conclusions:
- Doppler ultrasound is a versatile, noninvasive tool for evaluating mouse cardiovascular and circulatory function across the lifespan.
- It is instrumental for longitudinal studies and detailed phenotype characterization in mouse models.
- Standardized protocols and consideration of influencing factors are essential for accurate interpretation.
