Microdoppler techniques keep their special value in the subject of neurosurgery. Due to irreversible damage of neuronal tissue in case of ischaemic hypoperfusion during spinal...
Brain Death diagnosis has become an important topic of ethical discussion about organ donation. TCD for instrumental diagnosis of brain death is considered as an...
Because of missing collateralisation beyond the Circle of Willis, occlusions of cerebral arteries result in hypoperfusion or according to size and localisation of the embolus...
Monitoring of sufficient brain perfusion is an essential part of anesthesiology and intensive care medicine. Transcranial Doppler Sonography is a non-invasive method, which provides real-time...
Patent Foramen Ovale (PFO) causing Right to Left Shunt (RLS) can be detected by TCD PFO-Test. RLS are direct connections between right (pulmonary) and left...
Regular measurement of blood flow velocities (BFV) using ultrasound allows to draw conclusions on vascular luminal changes, which is inversely proportional to the BFV and...
SARS-CoV-2 infection can be particularly dangerous in patients whose vascular function is already impaired by pre-existing conditions. This explains the typical clinical picture by causing...