. 2022 Feb 3;99(4):1345–1355. doi: 10.1002/ccd.30091

Table 5.

On‐table changes in hemodynamics and vitals following treatment with the FlowTriever System

Hemodynamic/vital value	Pre‐FT (mean ± SD)	Post‐FT (mean ± SD)	Difference (% change)	p value
Systolic PA pressure (mmHg)	51.9 ± 12.4 n = 248	39.8 ± 12.8 n = 246	−12.3 (−23.7%) n = 245	<0.001
Mean PA pressure (mmHg)	31.9 ± 8.3 n = 249	24.8 ± 8.6 n = 248	−7.1 (−22.2%) n = 248	<0.001
Mean PA pressure (baseline ≥ 25 mmHg)	34.6 ± 7.0 n = 200	27.0 ± 8.0 n = 199	−7.6 (−22.0%) n = 199	<0.001
Mean PA pressure (baseline < 25 mmHg)	21.1 ± 2.8 n = 49	16.1 ± 4.3 n = 49	−5.1 (−22.8%) n = 49	<0.001
Right atrial pressure (mmHg)	11.1 ± 5.9 n = 229	8.9 ± 5.5 n = 208	−2.3 (−18.1%) n = 206	<0.001
Heart rate (bpm)	101.4 ± 15.0 n = 250	87.9 ± 13.3 n = 250	−13.5 (−12.6%) n = 250	<0.001
Systolic blood pressure (mmHg)	126.3 ± 20.8 n = 248	124.8 ± 22.5 n = 247	−1.7 (−0.5%) n = 247	0.185
CI (l/min/m²)	2.7 ± 1.0 n = 220	2.8 ± 1.7 n = 207	0.1 (3.9%) n = 202	0.881
CI (baseline < 2.0 l/min/m²)	1.7 ± 0.2 n = 47	1.9 ± 0.4 n = 42	0.2 (13.3%) n = 42	0.005
CI (baseline ≥ 2.0 l/min/m²)	2.9 ± 0.9 n = 173	3.0 ± 1.9 n = 160	0.0 (1.4%) n = 160	0.207
Total pulmonary vascular resistance (mmHg/l/min)	6.1 ± 2.5 n = 220	4.6 ± 2.0 n = 207	−1.5 (−20.4%) n = 202	<0.001
Stroke volume index (baseline < 33 ml/m²/beat)	23.5 ± 5.6 n = 147	25.9 ± 7.9 n = 134	2.3 (12.0%) n = 134	0.001
RV stroke work index (g·m/m²)	8.4 ± 4.9 n = 208	7.0 ± 8.3 n = 184	−1.3 (−15.5%) n = 178	<0.001
PA pulsatility index	4.0 ± 4.6 n = 225	4.6 ± 5.8 n = 201	0.7 (14.4%) n = 199	0.816

Hemodynamic/vital value

Pre‐FT

(mean ± SD)

Post‐FT

(mean ± SD)

Difference

(% change)

p value

Systolic PA pressure (mmHg)

51.9 ± 12.4

n = 248

39.8 ± 12.8

n = 246

−12.3 (−23.7%)

n = 245

<0.001

Mean PA pressure (mmHg)

31.9 ± 8.3

n = 249

24.8 ± 8.6

n = 248

−7.1 (−22.2%)

n = 248

<0.001

Mean PA pressure (baseline ≥ 25 mmHg)

34.6 ± 7.0

n = 200

27.0 ± 8.0

n = 199

−7.6 (−22.0%)

n = 199

<0.001

Mean PA pressure (baseline < 25 mmHg)

21.1 ± 2.8

n = 49

16.1 ± 4.3

n = 49

−5.1 (−22.8%)

n = 49

<0.001

Right atrial pressure (mmHg)

11.1 ± 5.9

n = 229

8.9 ± 5.5

n = 208

−2.3 (−18.1%)

n = 206

<0.001

Heart rate (bpm)

101.4 ± 15.0

n = 250

87.9 ± 13.3

n = 250

−13.5 (−12.6%)

n = 250

<0.001

Systolic blood pressure (mmHg)

126.3 ± 20.8

n = 248

124.8 ± 22.5

n = 247

−1.7 (−0.5%)

n = 247

0.185

CI (l/min/m²)

2.7 ± 1.0

n = 220

2.8 ± 1.7

n = 207

0.1 (3.9%)

n = 202

0.881

CI (baseline < 2.0 l/min/m²)

1.7 ± 0.2

n = 47

1.9 ± 0.4

n = 42

0.2 (13.3%)

n = 42

0.005

CI (baseline ≥ 2.0 l/min/m²)

2.9 ± 0.9

n = 173

3.0 ± 1.9

n = 160

0.0 (1.4%)

n = 160

0.207

Total pulmonary vascular resistance (mmHg/l/min)

6.1 ± 2.5

n = 220

4.6 ± 2.0

n = 207

−1.5 (−20.4%)

n = 202

<0.001

Stroke volume index

(baseline < 33 ml/m²/beat)

23.5 ± 5.6

n = 147

25.9 ± 7.9

n = 134

2.3 (12.0%)

n = 134

0.001

RV stroke work index (g·m/m²)

8.4 ± 4.9

n = 208

7.0 ± 8.3

n = 184

−1.3 (−15.5%)

n = 178

<0.001

PA pulsatility index

4.0 ± 4.6

n = 225

4.6 ± 5.8

n = 201

0.7 (14.4%)

n = 199

0.816

Note: All hemodynamic values, with the exception of heart rate, were assessed on‐table, immediately before and after the procedure. Heart rate was assessed as the in‐hospital pre‐procedure average and the in‐hospital postprocedure average. Mean PA pressure is reported separately in patients with elevated baseline values, physiologically normal baseline values, and in all patients with data. CI is reported separately in patients with low baseline values, physiologically normal baseline values, and in all patients with data. Stroke volume index is exclusively reported in patients with low baseline values. All p values are based on available paired assessments using Wilcoxon signed‐rank tests.

Abbreviations: bpm, beats per minute; CI, cardiac index; FT, FlowTriever; PA, pulmonary artery; RV, right ventricular; SD, standard deviation.