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Neurology (Expert Forum)
What is RSD/CRPS II
This forum is for questions and support regarding neurology issues such as: Alzheimer's Disease, ALS, Autism, Brain Cancer, Cerebral Palsy, Chronic Pain, Epilepsy, Fibromyalgia, Headaches, MS, Neuralgia, Neuropathy, Parkinson's Disease, RSD, Sleep Disorders, Stroke, Traumatic Brain Injury.
What is RSD/CRPS II
by Colbillybob, Mar 01, 2005 12:00AM
A new patient of mine presents with a Hx of Reflux Sympathetic Dystrophy which she claims she contracted from a venapuncture. I've not heard of this syndrome and would like to know if there are any contraindications to dental treatment in my office. She states that she cannot have root canal therapy as her body will react to it as a foriegn body. Oddly enough she has existing root canal treatments which are fine and asymptomatic.
Doctor's Answer
by CCF-Neuro-M.D.-PW, Mar 02, 2005 12:00AM
Complex regional pain syndrome type II is a mixed, complex group of chronic pain disorders caused by injury to a nerve resulting in chronic pain and autonomic abnormalities in the area affected. The area, usually the distal hand or foot, can have abnormal color, sweating, hypersensitivity to pain/touch, and can undergo trophic (wasting) changes possibily due to disturbed blood flow
The cause is unknown. Type I is associated with a soft tissue injury while type II is associated with a nerve injury - its feasable I suppose that a nerve might have been injured during a venupuncture, and this has been reported in the medical literature. RSD as a cause of atypical odontalgia has been reported.
It would seem unlikely that she would have another episode of RSD related to another trauma, although I cannot say this 100%. RSD has nothing to do with the body reacting to a foreign body as far as we know. Informed consent regarding a small but possible risk of further RSD may be required.
The cause is unknown. Type I is associated with a soft tissue injury while type II is associated with a nerve injury - its feasable I suppose that a nerve might have been injured during a venupuncture, and this has been reported in the medical literature. RSD as a cause of atypical odontalgia has been reported.
It would seem unlikely that she would have another episode of RSD related to another trauma, although I cannot say this 100%. RSD has nothing to do with the body reacting to a foreign body as far as we know. Informed consent regarding a small but possible risk of further RSD may be required.
RSD/CRPS though is a complex syndrome. It is caused by an initial trauma, which becomes draconian. It almost always affects only the extremities, such as hand, feet, legs, and arms. It rarely (if ever) goes to the torso or head.