The JSI 0400 catheter-tip micromanometer allows for reliable, calibratable chronic left ventricular pressure monitoring in animal models for up to 6 months.
Supports chronic LV pressure monitoring feasibility in animals; leaves open translation to clinical use.
This paper describes a catheter-tip micromanometer for chronic left ventricular pressure measurements which can be calibrated in the animal after implantation. The calibration curves are linear, both in vitro and in vivo. Good zero-stability is reached after 1 week of implantation. The duration of function of the device is 3 to 6 months.
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Smet et al. (1979) studied this question.