Frequency and features of the central poststroke pain

Area of Science:

• Neurology
• Pain Medicine
• Clinical Neuroscience

Background:

• Central poststroke pain (CPSP) is frequently underdiagnosed.
• CPSP can significantly hinder stroke rehabilitation and diminish patients' quality of life.

Purpose of the Study:

• To investigate the prevalence and characteristics of CPSP.
• To identify potential associations between CPSP and patient demographics or clinical factors.

Main Methods:

• A two-year study involving 602 stroke patients.
• Utilized validated neuropathic pain questionnaires: Pain Detect Questionnaire (PD-Q), Leeds Assessment of Neuropathic Symptoms and Signs (LANSS), and Douleur neuropatathique en 4 questions (DN4).

Main Results:

• CPSP was identified in 12% of patients, typically within the initial months post-stroke.
• Associated factors included cortical/thalamic stroke, higher functional disability, and younger age.
• Allodynia and pricking hypoesthesia were key indicators of CPSP, distinguishing it from other pain types.

Conclusions:

• Younger patients with cortical/thalamic strokes and significant disability require thorough neuropathic pain assessment.
• Identifying CPSP is crucial for tailoring therapeutic strategies and improving patient outcomes.