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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: J Heart Lung Transplant. 2019 Nov 26;39(5):441–453. doi: 10.1016/j.healun.2019.11.016

Table 8.

Freedom from Adverse Events by Blood Pressure During Centrifugal Flow LVAD support. Patient average blood pressure was calculated from measures obtained month 3 and onward after LVAD.

Freedom from Incident Event at 3 years, Centrifugal Flow
Stroke Renal
Failure
Confirmed Pump
Thrombosis
Infection RV Failure
Centrifugal Flow Cohort 77±1.4% 83±1.4% 92±1.2% 35±1.7% 73±1.8%
Mean Arterial Pressure Sample (n=1347 patients)
Log rank p 0.40 0.089 0.24 0.47 0.007
≤75 mmHg (n=445) 75±3.3% 75±5.4% 95±2.0% 25±5.3% 66±5.0%
76-90 mmHg (n=936) 77±2.3% 70±3.7% 90±2.3% 33±2.9% 74±3.4%
91-100 mmHg (n=248) 79±4.0% 86±3.7% 90±5.0% 40±5.0% 77±4.1%
>100 mmHg (n=60) 75±6.7% 92±5.7% 88±6.5% 28±10% 66±16%
Doppler Sample (n=2147 patients)
Log rank p 0.15 0.014 0.99 0.013 0.001
≤80 mmHg (n=952) 77±2.4% 70±4.0% 92±2.2% 31±3.2% 76±2.1%
81-95 mmHg (n=1263) 79±2.1% 74±3.1% 92±1.7% 38±2.5% 74±2.9%
96-104 mmHg (n=184) 74±4.3% 86±3.5% 93±2.9% 34±5.4% 73±4.4%
≥105 mmHg (n=51) 83±5.2% 86±7.9% 94±4.3% 44±8.1% 79±9.2%
Systolic Blood Pressure sample (n=1464)
Log rank p 0.34 <0.0001 0.016 0.62 0.20
<90 mmHg (n=449) 82±2.6% 63±5.7% 96±2.1% 29±4.1% 65±6.0%
90-107 mmHg (n=981) 76±2.5% 78±3.6% 93±1.7% 37±2.7% 75±3.0%
108-119 mmHg (n=277) 76±3.4% 77±4.5% 80±6.2% 25±5.0% 80±3.9%
≥120 mmHg (n=97) 82±4.1% 79±7.4% 98±1.4% 46±6.4% 73±8.8%

INTERMACS= Interagency Registry of Mechanically Assisted Circulatory Support; LVAD= left ventricular assist device; RV= right ventricular