Do chronic pain and comorbidities affect brain function in sickle cell patients? A systematic review of neuroimaging and treatment approaches

Joyce T. Da Silva, Janelle E. Letzen, Jennifer Haythornthwaite, Patrick Hamilton Finan, Claudia Campbell, David A. Seminowicz

Research output: Contribution to journalArticle

Abstract

Sickle cell disease (SCD) is a medical condition in which chronic pain is common and negatively impacts psychosocial function and quality of life. Although the brain mechanisms underlying chronic pain are well studied in other painful conditions, the brain mechanisms underlying chronic pain and the associated psychosocial comorbidities are not well established in SCD. A growing literature demonstrates the effect of treatment of chronic pain, including pharmacological and nonpharmacological treatments, on brain function. The present systematic review aimed to (1) determine the effects of chronic pain and psychosocial comorbidities on brain function of patients with SCD; (2) summarize pharmacological and nonpharmacological approaches to treat these symptoms; and (3) identify areas for further investigation of potential beneficial effects of treatments on brain function. Titles were screened using predefined criteria, including SCD, and abstracts and full texts were reviewed by 2 independent reviewers. A total of 1167 SCD articles were identified, and 86 full articles were included covering 3 sections: chronic pain (4 studies), psychosocial comorbidities (11 studies), and pharmacological and nonpharmacological treatments (71 studies). Neuroimaging evidence demonstrates aberrant neural processing related to chronic pain and psychosocial comorbidities in SCD beyond ischemic stroke and cerebral hemorrhage. Although neuroimaging studies show an important role for psychological factors, pain management is nearly exclusively based on opioids. Behavior therapy seems useful to improve psychological symptoms as well as chronic pain and quality of life. Further investigation is required with larger cohorts, matched controls, and examination of treatment-related neural mechanisms.

Original languageEnglish (US)
Pages (from-to)1933-1945
Number of pages13
JournalPain
Volume160
Issue number9
DOIs
StatePublished - Sep 1 2019

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Neuroimaging
Chronic Pain
Comorbidity
Sickle Cell Anemia
Brain
Pharmacology
Therapeutics
Quality of Life
Psychology
Behavior Therapy
Cerebral Hemorrhage
Pain Management
Opioid Analgesics
Stroke

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology
  • Anesthesiology and Pain Medicine

Cite this

Do chronic pain and comorbidities affect brain function in sickle cell patients? A systematic review of neuroimaging and treatment approaches. / Da Silva, Joyce T.; Letzen, Janelle E.; Haythornthwaite, Jennifer; Finan, Patrick Hamilton; Campbell, Claudia; Seminowicz, David A.

In: Pain, Vol. 160, No. 9, 01.09.2019, p. 1933-1945.

Research output: Contribution to journalArticle

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