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Transdermal Rigidity assessment via Ischemia (and temperature) of the Penis (TRIP) versus the Rigiscan. A new sensor-driven device to measure rigidity of the penis.

In men without erectile problems, night time erections occur during the REM-sleep. For this study we will compare the current diagnostic test, the Rigiscan, with the data from de TRIP-Patch during the night. To validate discriminating sensor-…

Measuring limb perfusion with Near Infrared Spectroscopy (NIRS), Cellular Oxygen METabolism (COMET) and Dynamic Light Scattering (DLS) during Minimally Invasive Cardiac Surgery (MICS)

Determine the difference in mitoPO2 in between the cannulated and non-cannulated and the difference in DLS red blood cell velocity (RBV) between the two legs, in patients undergoing a cardiopulmonary bypass (CPB) MICS with standard cannulation.

Detection of vascular endothelial function post-COVID-19 with carotid artery reactivity testing.

To establish the relationship between past illness with SARS-CoV2 infection and endothelial dysfunction.To study the long-term effects of SARS-CoV2 on endothelial function.To explore the influence of Covid disease severity on the degree and duration…

*Transdermal Rigidity assessment via Ischemia of the Penis (TRIP). A new sensor-driven device to measure maximal rigidity.*

To measure saturation and desaturation of the cavernosal tissue with a cutaneousplaced penile sensor, before and during full rigidity. To validate discriminatingsensor-readings between flaccid state and full rigidity of the penis. To explore the…

Evaluation of popliteal artery entrapment in healthy individuals

To investigate in healthy individuals not having ELP whether DUS and dynamic MRI may reveal a compressed popliteal artery in rest and during provocative testing (pointing, plantar foot flexion).