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Table 5 Comparison of CFD simulation results and pulmonary function tests before and after treatment of the airway stent placement

From: Numerical analysis of airflow alteration in central airways following tracheobronchial stent placement

 

Diagnosis

Sex

Age

Stent

Treatment

FEV1 (L)

FEV1% (%)

FEV1/FVC ratio (%)

Pressure drop (Pa)

Area (cm 2)

*Tracheal stenosis

Lung cancer

Male

80

40 mm ×16 mm

      
     

Before

0.74

37

40.65

6.46

1.69

     

After

1.75

87.1

69.79

1.44

2.66

**Bronchial stenosis

Breast cancer

Female

69

30 mm ×14 mm

      
     

Before

0.92

59.6

53.5

1.05

2.77

     

After

1.83

118.2

74.6

1.17

3.00

  1. *Tracheal stenosis: subject #3 in Table 3.
  2. **Bronchial stenosis: subject #2 in Table 4.
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Experimental Hematology & Oncology

ISSN: 2162-3619

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