November 10, 2009

Hoehn and Yahr Staging of Parkinson's Disease

Hoehn and Yahr Staging of Parkinson's Disease [full version]

Stage One

1. Signs and symptoms on one side only
2. Symptoms mild
3. Symptoms inconvenient but not disabling
4. Usually presents with tremor of one limb
5. Friends have noticed changes in posture, locomotion and facial expression

Stage Two
1. Symptoms are bilateral
2. Minimal disability
3. Posture and gait affected

Stage Three
1. Significant slowing of body movements
2. Early impairment of equilibrium on walking or standing
3. Generalized dysfunction that is moderately severe

Stage Four
1. Severe symptoms
2. Can still walk to a limited extent
3. Rigidity and bradykinesia
4. No longer able to live alone
5. Tremor may be less than earlier stages

Stage Five
1. Cachectic stage
2. Invalidism complete
3. Cannot stand or walk
4. Requires constant nursing care

“The progression of symptoms in Parkinson's disease may take 20years or more...One commonly used system for describing how thesymptoms of Parkinson's disease progress is called the Hoehn and Yahr scale.”

Hoehn and Yahr Staging of Parkinson's Disease [Simple version]

Stage One
Symptoms on one side of the body only.

Stage Two
Symptoms on both sides of the body. No impairment of balance.

Stage Three
Balance impairment. Mild to moderate disease. Physically

Stage Four
Severe disability, but still able to walk or stand unassisted.

Stage Five
Wheelchair-bound or bedridden unless assisted.


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