Shear stress for different pump types compared to typical range of shear stresses in blood vessels
| Pump . | Examples . | Maximum shear stress (dynes/cm2) . |
|---|---|---|
| Typical range of wall shear stress in blood vessels17 | Large arteries | 14-36 |
| Arterioles | 20-72 | |
| Veins | 0.7-9 | |
| Stenotic vessels | 36-450 | |
| Positive displacement | Heartmate I | 100-5008-10,18 |
| Thoratec PVAD | ||
| Novacor N100 | ||
| Rotary axial | Heartmate II | 2 000-24 00015,16,19,20 |
| Jarvik 2000 | ||
| Micromed DeBakey | ||
| Rotary centrifugal | DuraHeart | 500-3 20015,16,21,22 |
| Heartware VAD (HVAD) | ||
| Levacor | ||
| HeartMate 3 |
| Pump . | Examples . | Maximum shear stress (dynes/cm2) . |
|---|---|---|
| Typical range of wall shear stress in blood vessels17 | Large arteries | 14-36 |
| Arterioles | 20-72 | |
| Veins | 0.7-9 | |
| Stenotic vessels | 36-450 | |
| Positive displacement | Heartmate I | 100-5008-10,18 |
| Thoratec PVAD | ||
| Novacor N100 | ||
| Rotary axial | Heartmate II | 2 000-24 00015,16,19,20 |
| Jarvik 2000 | ||
| Micromed DeBakey | ||
| Rotary centrifugal | DuraHeart | 500-3 20015,16,21,22 |
| Heartware VAD (HVAD) | ||
| Levacor | ||
| HeartMate 3 |