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Related Concept Videos

Pain01:20

Pain

Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
Nociception01:44

Nociception

Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain. Thus, pain helps the...
Somatosensation01:33

Somatosensation

The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
Analgesia and Pain Management01:25

Analgesia and Pain Management

Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the stimulus...
Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...

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Quantifying Pain Location and Intensity with Multimodal Pain Body Diagrams
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Simple patterns behind complex spatial pain reporting? Assessing a classification of multisite pain reporting in the

Carsten Oliver Schmidt1, Sebastian E Baumeister

  • 1Institute of Community Medicine, University of Greifswald, Walther Rathenau Str. 48, 17475 Greifswald, Germany. carsten.schmidt@uni-greifswald.de

Pain
|June 16, 2007
PubMed
Summary

This study classifies complex pain patterns in over 7,000 adults, revealing seven distinct pain classes. These spatial pain patterns significantly impact physical functioning and are linked to various diseases.

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Dynamic Quantitative Sensory Testing to Characterize Central Pain Processing

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Area of Science:

  • Epidemiology
  • Pain Medicine
  • Public Health

Background:

  • Pain is a prevalent symptom, often affecting multiple body sites, yet studies typically focus on single pain locations.
  • Limited research exists on classifying complex spatial pain patterns in the general population.
  • Understanding these patterns is crucial for assessing their impact on functioning and health.

Purpose of the Study:

  • To develop a taxonomy for reporting complex spatial pain patterns in the general population.
  • To assess the associations between these pain patterns and external criteria, particularly physical and social functioning.
  • To identify meaningful classifications of pain symptoms for better health assessment.

Main Methods:

  • Cross-sectional analysis of the German National Health Survey data (n=7124, aged 18-79).
  • Utilized a self-rating questionnaire assessing 7-day pain prevalence across 13 body sites.
  • Employed latent class cluster analysis to classify spatial pain patterns and assessed physical/social functioning using the Short Form 36.

Main Results:

  • Identified seven distinct spatial pain pattern classes, including no/single site pain, headache-dominant, upper body musculoskeletal pain, back/lower extremity pain, widespread musculoskeletal pain, and whole body pain.
  • These pain classes demonstrated significant differences in sociodemographic characteristics and associations with self-reported medical diseases.
  • Spatial pain patterns were found to be a better predictor of physical functioning than social functioning.

Conclusions:

  • A meaningful classification of complex pain patterns can be achieved through a relatively simple assessment of pain symptoms.
  • The developed taxonomy provides a framework for understanding the heterogeneity of pain experiences in the general population.
  • These findings highlight the importance of considering spatial pain distribution for assessing health outcomes and guiding clinical interventions.