Related Experiment Video
Updated: Jul 17, 2026

07:12
Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats
Published on: January 21, 2020
Complex regional pain syndrome in stroke patients
Hilal Kocabas1, Funda Levendoglu, Onder Murat Ozerbil
1Department of Physical Medicine and Rehabilitation, Selcuk University Meram Faculty of Medicine, Konya, Turkey.
Summary
Complex regional pain syndrome-I affects nearly half of stroke patients within 28 weeks. Early intervention targeting shoulder mobility and spasticity is crucial for prevention.
Area of Science:
- Neurology
- Rehabilitation Medicine
- Pain Management
Background:
- Complex regional pain syndrome-I (CRPS-I) is a debilitating condition affecting the upper extremity.
- Hemiplegic patients post-stroke are at high risk for developing CRPS-I.
- Understanding the incidence and contributing factors is vital for effective management.
Purpose of the Study:
- To determine the incidence of CRPS-I in the upper extremity of hemiplegic stroke patients.
- To identify factors influencing the development of CRPS-I within the first 28 weeks post-stroke.
Main Methods:
- A longitudinal study followed 82 hemiplegic stroke patients.
- Patients were assessed at 2, 6, 14, and 28 weeks post-stroke.
- Outcome measures included range of motion, subluxation, spasticity (Ashworth score), muscle strength (Motricity index), motor recovery (Brunnstrom stages), and depression scores.
Main Results:
- The incidence of CRPS-I was 48.8% within the first 28 weeks.
- Significant correlations were found between CRPS-I and subluxation, spasticity, muscle strength, motor recovery, and depression.
- Key factors identified include shoulder subluxation, reduced range of motion, shoulder muscle spasticity, and muscle weakness.
Conclusions:
- CRPS-I is highly prevalent in hemiplegic stroke patients.
- Interventions aimed at improving glenohumeral joint range of motion, strengthening shoulder muscles, and reducing spasticity are recommended for CRPS-I prevention.
Related Concept Videos
Ischemic Stroke ll: Pathophysiology
An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
Ischemic Stroke l: Introduction
Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
![Autoradiographic Measurements of [14C]-Iodoantipyrine in Rat Brain Following Central Post-Stroke Pain](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F53947.jpg&w=3840&q=50)
