JONES, DAVID R., B. LOWELL LANGILLE, DAVID J. RANDALL, AND GRAHAM SHELTON. BloodJEow in the dorsal and ventral aortas of the cod, Gadus morhua. Am. J. Physiol. 226(l) : 90-95. 1974.Dorsal and ventral aortic blood flows have been recorded in cod and the flows compared with results from hydraulic and electrical models of the fish circulatory system. In the hydraulic model increase in “dorsal aort...

In an animal model, we examined the extratympanic electrocochleographic response to static pressure changes (middle-ear pressure and intracranial pressure [ICP]) with attention to the summating potential (SP), action potential (AP), and the SP/AP ratio. With a closed middle ear, raised or lowered middle-ear pressure and raised or lowered ICP resulted in congruent increases of the SP and the SP/...

Recent studies have demonstrated the benefits of using fractional derivatives to simulate a blood pressure profile. In this work we propose combine one-dimensional model coronary flow with fractional-order Windkessel boundary conditions. This allows us obtain greater variety profiles for better personalization An algorithm parameter identification is described, which used fit measured mean valu...

A fractional-order vascular model representation for emulating arterial hemody-namics has been recently presented as an alternative to the well-known integer-order Windkessel. The uses a capacitor (FOC) describe complex and frequency-dependent compliance. This paper presents two-stage algorithm based on modulating functions finite-time simultaneous estimation of model’s input fractional differe...

Computer simulations of bypass hemodynamics can provide a valuable insight into the problem of graft failures, considering the close relationship between the hemodynamics and the patency and overall performance of implanted bypass grafts. However, to be able to reliably predict flow changes brought about by implanted bypass grafts, numerical simulations have to be carried out for physiologicall...

The m pulmonary h cardiologists of chronic th facilitated th therapeutic reactivity. H vascular rea relying on qu defined as th to mean pul hemodynami compliance estimates of compliance i In cont generated tho ratio of tim represented resistance an from the im model that e case. Signifi that depict t system using models. By e prove useful dynamics an This in models to parameters o using a mock ...

In this work, we propose to use parametric models for the estimation of arterial tree input impedance. The results of this new method are compared with those of the standard method based on the Fast Fourier Transform (FFT). The comparison is first made with pressure and flow measurements on a calf, then with human blood pressure measurements completed by blood flow data simulated from a soliton...