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Review
. 2020 Oct 15;50(4 Suppl 1):108-120.

Interventional Approaches to Pain and Spasticity Related to Cerebral Palsy

Jacquelin Peck  1 , Ivan Urits  1 , Hisham Kassem  1 , Christopher Lee  1 , Wilton Robinson  1 , Elyse M Cornett  1 , Amnon A Berger  1 , Jared Herman  1 , Jai Won Jung  1 , Alan D Kaye  1 , Omar Viswanath  1
Affiliations
Review

Interventional Approaches to Pain and Spasticity Related to Cerebral Palsy

Jacquelin Peck et al. Psychopharmacol Bull. .

Abstract

Purpose of review: This review will cover seminal and emerging evidence on interventional therapy chronic pain in cerebral palsy (CP). It will cover the background and burden of disease, present the current options, and then weigh the evidence that is available to support interventional therapy and the current indications.

Recent findings: CP is a permanent posture and movement disorder from in-utero brain development defects with a 3-4/1,000 incidence in the US. The cost of care for each child is estimated at $921,000. Pain in CP is attributed to musculoskeletal deformities, spasticity, increased muscle tone, dislocations, and GI dysfunction. First-line treatments include physical and occupational therapy and oral pharmacological agents; however, a significant amount of patients remain refractory to these and require further therapy. Injection therapy includes botulinum toxin A (BTA) injections and intrathecal baclofen. BTA injections were shown to control chronic pain effectively and are FDA approved for spastic pain; intra-thecal baclofen, in contrast, was only shown to improve comfort and quality of life with a focus on the pain. Surgical intervention includes selection dorsal rhizotomy (SDR). It may increase range of motion and quality of life and reduce spasticity and pain; however, most evidence is anecdotal, and more research is required.

Summary: Interventional therapy, including injection and surgical, is the last line of therapy for chronic pain in CP. It extends the possibility of therapy in hard-to-treat individuals; however, more data is required to provide strong evidence to the efficacy of these treatments and guide proper patient selection.

Keywords: baclofen; botox; chronic pain; injection therapy; spasticity.

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