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Table 2 Slope and constant as per Δp = k × Qn

From: Effect of guidewire on contribution of loss due to momentum change and viscous loss to the translesional pressure drop across coronary artery stenosis: An analytical approach

Area stenosis

 

Without GW

With GW

Without GW

With GW

Without GW

With GW

 

l m

1.5

3.00

4.50

64%

n

1.6191

1.4145

1.5263

1.3168

1.4530

1.2523

 

k

0.0001

0.0039

0.0017

0.0076

0.0028

0.0123

 

l m

0.75

1.5

2.25

80%

n

1.7276

1.5130

1.6592

1.4206

1.5997

1.3538

 

k

0.0020

0.0081

0.0030

0.0142

0.0042

0.0217

 

l m

0.25

0.50

0.75

90%

n

1.7653

1.5292

1.7244

1.4478

1.6862

1.3926

 

k

0.0070

0.0314

0.0086

0.0477

0.0103

0.0647

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