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Table 2 Composition of blood cardioplegia (crystalloid components)

From: Cardiac surgery in acute myocardial infarction: crystalloid versus blood cardioplegia – an experimental study

Components Buckberg

Concentration (mmol/l)

Components Bretschneider

Concentration (mmol/l)

K+

I: 17.5

II: 6.1

III: 7.4

KCl

10

Na+

I: 8.1

II: 8.4

III: 7.8

NaCl

18

Cl

I: 22.3

II: 13.8

III: 14.2

MgSO4

4

Na+ glutamate

I: 0

II: 0

III: 14.1

CaCl2

0.02

Na+ aspartate

I: 0

II: 0

III: 13.9

Mannitol

33

Trometamole

I: 8.7

II: 9.1

III: 13.3

Histidine

180

Citric acid x H2O

I: 0.9

II: 0.9

III: 3.5

Histidine HCl

18

Na+ citrate x H2O

I: 5.2

II: 5.5

III: 19.8

Tryptophan

2

NaH2PO4 x 2H2O

I: 0.9

II: 0.9

III: 3.6

Alpha-ketoglutarate

1

Glucose x H2O

I: 184.8

II: 193.9

III: 204.5

  
  1. Buckberg solution I was applied for cold induction, solution II for cold reinfusion, and solution III for the “hot shot”. For Bretschneider solution application, see text. The concentrations are given for the ready-to-use mixture of blood and cardioplegia (Buckberg: blood:cardioplegia 4:1)