Weighted Blankets and Vests: Safety, Efficacy and Isses Related to Their Use in Different Intervention Settings

10-18-2010 | Déficiences physiques, intellectuelles et TSA, Jeunes et familles, Services sociaux généraux

Weighted blankets are part of a vast range of tools used for their calming effect in people with difficulties in adjusting to environmental stimuli.

The death of a young child with autism following the improper use of a weighted blanket during school time launched an investigation by the coroner who reported the potential dangers of these blankets and the basic rules that should be applied for their safe use. The Ministère de la Santé et des Services sociaux (MSSS) therefore asked AETMIS to synthesize the evidence on the use of weighted blankets for all potential clients, namely, those with pervasive developmental disorders, mental health disorders, or physical or intellectual disabilities, and frail elderly people. This report also examines the safety and efficacy of weighted vests, given that they appear to be widely used in Québec, especially with children.

In the absence of evidence-based proof of the efficacy and safety of these tools, but given that they are already being used in Québec and that their inappropriate use pose risks, AETMIS concludes that, in terms of their safety, and regardless of their target objectives:

  • Weighted blankets and vests should always be used with the informed consent of the wearers or their parents or guardians.
  • Safety rules for their use should be established.
  • These tools should always be used under supervision and following an assessment conducted by a qualified health professional to exclude all possible contraindications.
  • In all publicly funded public and private institutions, these tools should always be used by duly trained educational or social interveners supervised by qualified professionals.

Furthermore, to ensure that this method of intervention meets the health and welfare needs of the people affected, the following measures should be taken:

  • The use of weighted blankets or vests for non-therapeutic purposes should be clearly explained to all parties concerned, and theunderlying intentions should comply with the laws of Québec and Canada to exclude any unreasonable punitive behaviour and any unjustified restraint.
  • The use of weighted blankets or vests for therapeutic purposes should be supported by clear and measurable objectives to be included in an individualized intervention plan or service plan.
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