What is Parkinson's disease gait?

Written by Zhang Hui
Neurology
Updated on September 27, 2024
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Patients with Parkinson's disease have a distinctive gait; typically, their torso leans forward, and their arms do not move much. When they walk, they exhibit a hurried gait with short, scurrying steps. That is, they take small steps that progressively get faster and faster, making stopping very difficult when they reach their destination. This is a typical scenario often referred to as a "scampering gait." Many experienced doctors can frame a preliminary diagnosis of Parkinson's disease just by observing the patient’s walk. Parkinson's disease also leads to unstable posture and gait, increasing the risk of falls and fractures. Therefore, it's important to take precautions at home by installing handrails to assist the patient in standing and walking, preventing accidental injuries.

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Written by Zhang Hui
Neurology
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Early symptoms of Parkinson's disease.

Parkinson's disease is a relatively common degenerative disease in the elderly, primarily causing the death of dopamine neurons in the substantia nigra of the midbrain, leading to corresponding clinical manifestations. Research has confirmed that other systems may also be damaged in the early stages of Parkinson's disease symptoms. The early symptoms may primarily include: First, patients experience persistent constipation, which is a very important early symptom of Parkinson's disease. Second, some patients may experience sleep disturbances, mainly characterized by tossing and turning, shouting out loud during sleep, without being aware of it. Additionally, some patients in the early stages may also experience a reduced sense of smell, constipation, cognitive impairment, and other clinical manifestations. There are also some early motor symptoms, mainly that the patient becomes clumsy and inflexible in the movements of one side of the body. These are the early symptoms of Parkinson's disease.

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Written by Zhang Hui
Neurology
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What is needed to diagnose Parkinson's disease?

The definitive diagnosis of Parkinson's disease primarily relies on the patient's medical history, clinical manifestations, and a thorough physical examination by a neurologist. If the onset of the disease is very slow, presenting with symptoms such as bradykinesia and tremors, and the neurologist observes heightened muscle tone and slow movements during the examination, a high suspicion of this disease is warranted. Additionally, certain auxiliary tests are necessary, commonly including: First, testing the patient's sense of smell is crucial, as a reduced sense of smell is very important in diagnosing Parkinson's disease. Second, some brain MRI scans are needed mainly to exclude some secondary Parkinson's syndromes. Third, a brain PET-CT scan can be performed to examine the functionality of the striatum. Furthermore, an ultrasound of the substantia nigra in the midbrain can also be conducted, which holds significant value in assisting the diagnosis.

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Written by Zhou Yan
Geriatrics
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Early symptoms of Parkinson's disease

Parkinson's disease begins inconspicuously and progresses gradually. There are two main categories of symptoms in Parkinson's disease: motor symptoms and non-motor symptoms. In the early stages of the disease, one can appear normal, or may experience motor symptoms like bradykinesia or rigidity, often starting asymmetrically. Symptoms commonly begin on one side of the upper limbs, and less frequently start from the lower limbs, eventually spreading to the limbs on the other side. Non-motor symptoms can occur at various stages of Parkinson's disease, including the pre-motor phase, such as loss of smell, sleep disturbances, constipation, depression, and more.

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Written by Zhang Hui
Neurology
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What tests are done for Parkinson's disease?

Parkinson's disease is a degenerative disease of the nervous system. Many patients report that numerous examinations did not identify a clear cause of the disease, which is typical of this condition due to the lack of very effective diagnostic methods. Patients' symptoms gradually worsen, manifesting as motor slowness, limb tremors, muscle rigidity, and other clinical signs. There are also symptoms such as constipation and dizziness. Generally, the following examinations are recommended for Parkinson's disease: First, complete a cranial MRI scan. The primary purpose of a cranial MRI is to exclude other causes of Parkinson's-like symptoms, such as cerebral thrombosis, brain tumors, or inflammation. Second, perform olfactory tests, as some patients may experience a significant reduction in their sense of smell early on. Third, conduct induced sleep monitoring, since some patients may have prominent sleep disorders. Additionally, it is suggested to perform striatal dopaminergic transporter imaging, a type of DAT scan. Although this scan is quite expensive, it can clearly reflect the function of the striatum.

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Written by Zhang Hui
Neurology
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How long can someone with Parkinson's disease live?

Parkinson's disease is a degenerative disease of the nervous system. It has a slow and inconspicuous onset, and it progresses gradually. The disease itself does not affect the patient's lifespan, as it does not impact the functions of heartbeats or breathing. If treated properly, cared for promptly, medications are taken as prescribed by the doctor, and followed up long-term, patients can survive about twenty years without problems. However, if patients adjust their medications on their own, stop taking their medications without consultation, or receive improper care from family members leading to accidental injuries or complications such as lung infections, then their lifespan can be significantly shortened. Once bedridden, life expectancy may rapidly decline. Therefore, with proper treatment and care, patients with Parkinson's disease can survive for about ten to twenty years. If care and treatment are not managed properly, patients may be threatened by fractures or lung infections, potentially reducing their lifespan to about five to ten years.