Table 1: Baseline characteristics of all four studies.

Author & Year

Sample Size

Mean age (years / SD)

Ultrasound device

Contrast agent

Immunosuppresive treatment (number received)

Grzelak et al., 2013 [7]

102

47 (12.5)

GE Vivid 7, 3.5MHz probe

2.4ml SonoVue IV

Steroids (103), CyA or Tac (103) MMF (103).

Fischer et al., 2005 [8]

6

36 (11.6)

Aplio 80, Toshiba 3.5MHz transducer

1.6ml SonoVue IV bolus & 5ml NaCl

-

Fischer et al., 2006 [9]

7

41 (11)

Aplio 80, Toshiba 3.5MHz transducer

2.4ml SonoVue IV bolus & 5ml NaCl

Tac (3), CyA (4), MMF(5)

Grzelak et al., 2012 [6]

16

48.3 (9.9)

GE Vivid 7, 3.5MHz probe

2.4ml SonoVue IV

Steroids (16), CyA or Tac (16), MMF(16)

CyA: Ciclosporin A; Tac: Tacrolimus; MMF: Mycophenolate Mofetil.