Paste Bandages
Indications
Management of leg ulcers.
Some are also indicated for use in the
management of chronic eczema / dermatitis.
Seen used to protect legs from
incontinence.
They have mild astringent and antiseptic
properties.
Contraindications:
◦ Occasional sensitivity / allergy to ingredients
Types
Zinc paste bandage (Viscopaste PB7,
Steripaste)
Zinc paste and ichthammol (Ichthopaste)
Zinc paste and calamine
Zinc paste and coal tar bandage
Zinc paste impregnated stocking (Zipzoc)
How could they work?
Array of properties that can enhance the healing of
wounds.
Zinc ions stay within the wound bed for an extended
period of time, ensuring a constant tissue zinc level.
Zinc:
◦ increases the degradation of collagen in necrotic tissues,
◦ promotes epitheliazation and
◦ increases the expression of insulin-like growth factor,
essential for the production of granulation
◦ also required for collagen and protein synthesis, cellular
growth and replication, reduction in free radical activity
and inhibition of bacterial growth.
Bandaging also promotes venous return
Application Methods
Various suggested:
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cutting and overlap
pleating
applying the bandages in strips (can be layered)
cutting to form stirrups
applying in a series of loose folds rather than a continuous spiral
No controlled trials support one best method of application
A 2007 paper recommend that zinc paste bandages should
be applied loosely and lightly with a pleat at each turn to
accommodate for oedema and the primary bandage covered
by compression bandaging or retention bandages as
tolerated by the patient.
Instruction leaflets for viscopaste and icthopaste both state
that it can be applied in a spiral or with a pleat at the front
on every turn.
Evidence
Meyer et al (2002) used zinc paste bandages as a primary dressing in their
study of 112 patients. They could not rule if zinc oxide paste affected the
rate of healing achieved.
Strömberg and Agren (1984) performed a randomized trial where patients
were treated with either a gauze compress medicated with zinc oxide or
with an identical compress without zinc oxide. Patients treated with a zinc
oxide compress responded significantly better (83% success rate)
compared with the placebo group (42% success rate). Limitations of the
study included a small sample size, mixed aetiology and outcome
measurement at only 8 weeks.
Bradley et al (1999) reported significant increase in ulcers healed with zinc
oxide impregnated bandages at 58% compared with alginate at 35%.
Lack of evidence concerning best practice bandaging technique.
A Cochrane review (O’Meara et al 2010) on antibiotics and topical
antiseptics for venous leg ulcers makes no mention of paste bandages in
this context.
Paste bandages are mentioned in a review on compression for venous leg
ulcers (O’Meara et al 2009) but it states that the relative effects of 4 layer
compression and paste bandage systems are unclear.