Stroke symptoms and pain
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Stroke Symptoms and Pain: Types and Prevalence
Pain is a common and often underdiagnosed complication after stroke, affecting up to 74% of patients, though the prevalence of central post-stroke pain (CPSP) is lower, ranging from 1–12% 67810. Stroke-related pain can be divided into several types, including central neuropathic pain (CPSP), musculoskeletal pain, spasticity-related pain, complex regional pain syndrome, and headache 678. CPSP is caused by lesions in the brain itself, while other pain types may result from muscle, joint, or nerve issues secondary to stroke 678.
Central Post-Stroke Pain (CPSP): Symptoms and Characteristics
CPSP is characterized by a variety of pain sensations, most commonly burning, aching, pricking, lacerating, and tingling 1310. Burning pain is especially frequent, except in patients with thalamic lesions, where lacerating pain is more common . Pain can be spontaneous, paroxysmal (sudden and brief), or evoked by stimuli such as cold, touch, or movement 13410. Many patients experience pain on one side of the body (hemipain), often corresponding to the side affected by the stroke 1310.
CPSP is often accompanied by sensory abnormalities, such as decreased temperature sensitivity, cold hypoesthesia (reduced sensitivity to cold), cold hyperalgesia (increased pain from cold), and allodynia (pain from normally non-painful stimuli) 14910. These symptoms are linked to lesions affecting the spino-thalamo-cortical pathway, which is important for temperature and pain sensation 1410. The location of the brain lesion (thalamus, brainstem, insula, parietal lobe, etc.) influences the specific pain features and associated neurological symptoms 124.
Atypical and Early Pain Presentations in Stroke
While pain usually develops after the onset of other stroke symptoms, some patients may experience pain as an initial or early symptom of stroke. This pain can be episodic, transient, or persistent, and may present as acute trigeminal neuralgia, atypical facial pain, or hemi-sensory pain . In these cases, pain may precede or occur alongside more typical stroke symptoms like weakness or sensory loss, and can sometimes be the only initial sign .
Chronic Pain After Stroke: Neuropathic and Non-Neuropathic Features
Chronic pain is reported by about 60% of stroke survivors, with moderate to severe intensity being common . The pain experience is highly variable, with individuals reporting combinations of spontaneous, paroxysmal, and evoked pain, as well as paraesthesia (abnormal sensations) or dysaesthesia (unpleasant abnormal sensations) 3410. Neuropathic pain symptoms such as burning, tingling, and pain evoked by cold are more frequent in CPSP, while non-neuropathic pain is more often related to joints and musculoskeletal issues 410.
Pain, Spasticity, and Fatigue: Interrelated Symptoms
Pain after stroke often coexists with other symptoms such as spasticity (muscle stiffness) and fatigue. These symptoms are correlated, and managing one may help with the others . However, fatigue tends to have a greater impact on recovery than pain or spasticity alone .
Impact on Quality of Life and Clinical Implications
Pain after stroke, especially CPSP, can be a significant burden, leading to depression, cognitive problems, and reduced quality of life 678. Effective assessment and management of pain are crucial for improving function and well-being in stroke survivors 67. Clinicians should be aware of the different types of post-stroke pain, inquire directly about pain symptoms, and use appropriate tools for diagnosis and treatment 6710.
Conclusion
Pain is a frequent and complex symptom after stroke, with both neuropathic and non-neuropathic features. CPSP is marked by burning, tingling, and cold-evoked pain, often accompanied by sensory changes. Pain can sometimes be an early or atypical symptom of stroke. Chronic pain is common and can significantly affect quality of life. Recognizing and addressing the various types of post-stroke pain is essential for optimal recovery and patient care 1234+6 MORE.
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