WU Parkinsons Disease Case study Nursing Assignment Help

Scenario:  A 67-year-old man presents to the HCP with chief complaint of tremors in his arms. He also has noticed some tremors in his leg as well. The patient is accompanied by his son, who says that his father has become “stiff” and it takes him much longer to perform simple tasks. The son also relates that his father needs help rising from his chair. Physical exam demonstrates tremors in the hands at rest and fingers exhibit “pill rolling” movement. The patient’s face is not mobile and exhibits a mask-like appearance. His gait is uneven, and he shuffles when he walks and his head/neck, hips, and knees are flexed forward. He exhibits jerky or cogwheeling movement. The patient states that he has episodes of extreme sweating and flushing not associated with activity. Laboratory data unremarkable and the HCP has diagnosed the patient with Parkinson’s Disease. 

The Assignment 

In your Case Study Analysis related to the scenario provided, explain the following:

Both the neurological and musculoskeletal pathophysiologic processes that would account for the patient presenting these symptoms.

Any racial/ethnic variables that may impact physiological functioning.

How these processes interact to affect the patient.

Papers submitted should include a title page, introduction, summary, and references (APA)

Expert Solution Preview

Introduction:

In this case study analysis, we will explore the pathophysiologic processes that explain the symptoms presented by a 67-year-old man with tremors in his arms and legs, stiffness, difficulty performing simple tasks, and a mask-like appearance. The patient has been diagnosed with Parkinson’s Disease. Additionally, we will examine any racial/ethnic variables that may impact physiological functioning and how these processes interact to affect the patient.

Answer 1: Neurological and Musculoskeletal Pathophysiologic Processes
Parkinson’s Disease is a neurodegenerative disorder characterized by the progressive degeneration of dopaminergic neurons in the substantia nigra, a region in the brain. The loss of dopaminergic neurons leads to a decrease in dopamine levels, impacting the basal ganglia’s (specifically the neostriatum) functioning. The basal ganglia are involved in the control of voluntary movements, and the reduction of dopamine disrupts the delicate balance of inhibitory and excitatory signals within the basal ganglia circuitry.

The presentation of tremors at rest and the “pill rolling” movement of the fingers are known as resting tremors. These tremors result from imbalanced inhibitory and excitatory signals within the basal ganglia, leading to abnormal muscle activity. The facial immobility and mask-like appearance are attributed to the loss of dopamine, affecting the motor control of facial muscles.

The patient’s shuffling gait, flexed posture, and jerky or cogwheeling movements are manifestations of parkinsonian rigidity. Rigidity is caused by the increased resistance to passive movement due to not only the imbalance in basal ganglia signals but also the excessive tone in the musculoskeletal system. Rigidity is primarily a result of increased hypertonicity or stiffness in the muscles.

Answer 2: Racial/Ethnic Variables Impacting Physiological Functioning
Research suggests that there may be racial and ethnic differences in the prevalence and presentation of Parkinson’s Disease. Various studies have indicated that individuals of African, Asian, and Hispanic descent tend to have a lower prevalence of Parkinson’s Disease compared to Caucasians. On the other hand, the prevalence among Ashkenazi Jews has been reported to be higher.

While the exact reasons for these racial/ethnic disparities are not fully understood, genetic factors have been hypothesized to influence the susceptibility to Parkinson’s Disease. Certain genetic variations, such as those involving the LRRK2 gene, have been found to be more common in certain populations. Additionally, environmental factors and lifestyle differences, such as dietary habits and exposure to toxins, may contribute to the observed variations in Parkinson’s Disease prevalence between racial and ethnic groups.

Answer 3: Interaction of Processes and their Impact on the Patient
The interaction of the neurological and musculoskeletal pathophysiologic processes in Parkinson’s Disease leads to the characteristic symptoms experienced by the patient. The depletion of dopamine in the basal ganglia disrupts the normal signaling for motor control, resulting in the motor symptoms of tremors, rigidity, and bradykinesia. The loss of dopaminergic neurons affects the coordination and regulation of movement.

The musculoskeletal system also plays a role in the overall motor impairment seen in Parkinson’s Disease. Increased muscle rigidity, as mentioned earlier, contributes to the patient’s difficulty in performing simple tasks and the characteristic shuffling gait. The synergistic effect of impaired neural signaling and increased muscle tone leads to the overall functional decline and motor disability experienced by the patient.

In summary, Parkinson’s Disease involves both neurological and musculoskeletal pathophysiologic processes. The depletion of dopamine in the basal ganglia disrupts motor control, resulting in tremors, rigidity, and bradykinesia. The increased muscle tone in the musculoskeletal system exacerbates these motor impairments. Racial/ethnic variables may impact the prevalence of Parkinson’s Disease, potentially due to genetic and environmental factors. Understanding the intricate interplay of these processes is crucial for effective management of patients with Parkinson’s Disease.

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