Table 1: Composition of preservation solutions.

 

 

Modified STS

Celsior®

Electrolytes

 

 

Na+

149 mmol/L

100 mmol/L

K+

19 mmol/L

15 mmol/L

Ca2+

2.0 mmol/L

0.25 mmol/L

Mg2+

19 mmol/L

13 mmol/L

Cl-

120 mmol/L

41.5 mmol/L

 

 

 

Metabolic substrates

 

 

Glucose

39 mmol/L

0

Aspartate

Glutamate

 

Antioxidants

24 mmol/L

0

0

20 mmol/L

Glutathione

0

3 mmol/l

Osmotic agents

 

 

Lactobionate

0

80 mmol/L

Mannitol

0

60 mmol/L

 

 

 

Acid-base buffers

 

 

Histidine

0

30 mmol/L

Bicarbonate

28 mmol/L

0

 

 

 

Osmolarity

400 mOsm/L

360 mOsm/L

 

The composition of St. Thomas’ Solution (STS) and Celsior used are outlined above. Glyceryl trinitrate (GTN, 0.1 g/L) and erythropoietin (EPO, 5000 U/L) were added to Celsior for the groups of donor hearts arrested and stored with supplemented Celsior (Celsior+EPO+GTN).