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Immunosuppression (Prednisolone (SEs mostly long-term use >6wks (Cardio…
Immunosuppression
Prednisolone
MOA
Inhibits PLA2 → ↓ PG and ↓ PAF
↓ PMN extravasation → ↑ PMN in blood
Lymphocyte sequestration in tissues → lymphopenia
↓ Phagocytosis
Lymphocyte apoptosis
↓ Ab production
↓ cytokine and proteolytic enzyme release
Dose
Use lowest possible dose: alternate days if possible
Graded withdrawal if used >3wks
Advice
Don’t stop steroids suddenly
Consult doctor when unwell
↑ dose c¯ illness or stress (e.g. pre-op)
Carry a steroid card: dose and indication
Avoid OTCs: e.g. NSAIDs
Osteoporosis and PUD prophylaxis
Ca and vitamin D supplements: Calcichew-D3
Bisphosphonates: alendronate
PPI: lansoprazole
SEs mostly long-term use >6wks
Cardio
HTN
CCF
MSK
Proximal myopathy
Osteoporosis
Endo
Growth suppression
HPA suppression
Cushing’s syndrome
Metabolic
Na and fluid retention
↑PMN
↓K
CNS
Depression, psychosis
Eye
Cataracts, glaucoma
Immune
↑ susceptibility to infection
GI
Candidiasis
PUD
Oesophageal ulceration
Pancreatitis
Transplant Regimens
Liver
Azathioprine
Prednisolone ± withdrawal @ 3mo
Tacrolimus
Renal
Pre-op induction
Alemtuzumab (Campath: anti-CD52)
Post-op
Predniolone 7d
Tacrolimus long-term
Interactions
Fx ↓d by hepatic inducers
Fx ↑d by
Hepatic inhibitors
OCP