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Table 5 Preoperative opiates

From: Patient-directed self-management of pain (PaDSMaP) compared to treatment as usual following total knee replacement; a randomised controlled trial

Opiate

Doses

Number of PaDSMaP patients

Number of TAU patients

Maximum daily EOMD

None

34

35

Codeine

15 mg as required

0

1

 

30-60 mg four times a day

0

2

36

30-60 mg as required

6

3

 

Co-codamol

8/500, 2 tablets, once, twice or three times a day

2

4

7.2

8/500 as required

1

2

 

15/500 as required

1

1

 

30/500, 2 tablets, once, three or four times a day

3

5

36

30/500 as required

6

12

 

Dihydrocodeine

30 mg once a day

0

1

3

30 mg as required

1

1

 

60 mg once, twice or four times a day

3

2

24

Co-dydramol

10/500, 1–2 tablets, three or four times a day

1

2

8

10/500 as required

5

6

 

30/500 as required

0

1

 

Tramadol

50 mg once, three or four times a day

0

3

20–40

50 mg as required

1

3

 

100 mg twice or four times a day

1

1

40–80

100 mg as required

1

3

 

Tramadol paracetamol

37.5/500, 2 tablets, as required

1

0

 

Oramorph (liquid morphine sulphate)

10 mg as required

1

0

 
  1. Bold text indicate “as required” dosages
  2. Abbreviations: EOMD, Equivalent Oral Morphine Dose; PaDSMaP Patient-directed self-management of pain; TAU treatment as usual