The major improvements of the novel model include the introduction of the pulsatile nature of blood flow into the systemic hemodynamic investigation of cerebral AVM for the first time and the proposal of a reasonable mechanism for feeding artery dilation based on the authors first-hand measurements, which has not been appropriately described in the previous models.

Conclusion In the treatment of PAVM with interventional procedure, especially when the lesion carries huge vascular sac and thick feeding artery, the use of PDA or ASD occluder should take precedence over other considerations.

The relationship between arterial distensibility and cardiac structure in elderly cardiovascular patients;