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Table 1 Patients’ demographics (n = 86)

From: Index of deterioration of patients with mechanical prosthetic heart valve thrombosis

Variable

 

Age (years)

40 (16-74)

Female gender

52 (60.5%)

Pregnancy

16 (18.6%)

Number of implanted prostheses

91

 Mechanical bileaflet

85 (93.4%)

 Mechanical mono-leaflet

4 (4.4%)

 Additional tricuspid bioprosthesis*

2 (2.2%)

Position of implantation

 

 Mitral

68 (79.1%)

 Aortic

13 (15.1%)

 Mitral and aortic

3 (3.5%)

 Mitral + tricuspid bioprosthesis*

2 (2.3%)

Non-compliance to OAC

53 (61.6%)

Main presenting symptom:

 

 Dyspnea and palpitation

70 (81.4%)

 Thromboembolic event

12 (14%)

 Threatened abortion

4 (4.6%)

NYHA class at presentation

 

 Class IV

47 (54.7%)

 Class III

36 (41.9%)

 Class II

3 (3.5%)

Numerical NYHA class

3.5 (2-4)

LVEF%

57.5 (22-73)

Mean pressure gradient across mitral prosthesis (mm Hg)

12 (9-20)

Mean pressure gradient across aortic prosthesis (mm Hg)

54 (5-80)

INR on admission

1.55 (0.7-4.2)

Serum creatinine (mg/dl)

1.37 (0.6-4.2)

SGOT (units/liter)

45 (15-150)

Latent period** (months)

44.6 (0.77-365)

Index of deterioration (ID)

0.43 (0.03-3)

EuroScore II

6.75 (1.69-26.5)

  1. Values are presented as number (%) or median and range
  2. n number of patients, PVT prosthetic valve thrombosis, LVEF% left ventricular ejection fraction percentage
  3. *Well-functioning bioprosthesis
  4. **Time between implantation of mechanical prosthesis and development of symptoms and/or signs suggesting PVT