Pathophysiology, Evidence-Based Interventions, and Prioritization in Stroke Care

QUESTION

Question 1: Explain the underlying pathophysiology specifically related to the following clinical manifestations: 1. Aphasia 2. Right sided facial droop with right sided weakness in upper and lower limbs Question 2: Select one of the three categories below; then select two interventions from your one chosen category. 1. Provide a rationale for your two chosen interventions listed for the category that you have selected. 2. You must critically analyse the available evidence-based literature to support your rationale. Then, concisely explain your rationales and citing your evidence as in-text references to support your answers. 7 Category 1 Non pharmacological interventions – Continuous cardiac monitoring – 12- lead ECG 6th hourly – Monitoring LOC – Supplemental oxygen if SpO2<93% – Monitor for haematemesis, melaena and haematuria Category 2 Pharmacological interventions – Heparin 5000iu IV – Labetalol – NovoRAPID sub cut supplemental insulin – Pantoprazole IV Category 3 Reperfusion interventions – Thrombolysis with Alteplase IV – Endovascular clot retrieval (ECR) Question 3: As the registered nurse caring for this patient, you will now prioritise 5 of the highest clinical priority related Nursing Interventions (indicated above). Then, list them in the order that you would attend to each one.

ANSWER

Pathophysiology, Evidence-Based Interventions, and Prioritization in Stroke Care

Stroke, a medical emergency, requires prompt intervention to minimize complications and improve outcomes. This essay addresses the pathophysiology underlying clinical manifestations of aphasia and right-sided facial droop with weakness. It then delves into selecting, justifying, and prioritizing evidence-based interventions.

Question 1: Pathophysiology of Clinical Manifestations

Aphasia: Aphasia, a language disorder, arises due to damage in language centers of the brain, often the left hemisphere. In ischemic stroke, decreased blood flow leads to tissue hypoxia and neural cell death in areas like Broca’s and Wernicke’s areas. This results in difficulty understanding or expressing language.

Right Sided Facial Droop and Weakness:These symptoms are suggestive of left hemisphere involvement. In the brain, motor functions are contralateral, meaning damage to the left hemisphere affects the right side. Impaired blood flow causes ischemic injury, impacting motor cortex regions responsible for voluntary movements of the contralateral side. Thus, right-sided facial droop and weakness in upper and lower limbs occur.

Question 2: Evidence-Based Interventions (Category 1: Non-Pharmacological Interventions)

Continuous Cardiac Monitoring: Rationale: Monitoring cardiac rhythm helps detect arrhythmias, guiding appropriate treatment to prevent secondary complications. (Evidence: American Heart Association. (2019). Guidelines for the Early Management of Patients with Acute Ischemic Stroke: A Guideline for Healthcare Professionals. Stroke, 50(12), e344-e418.)

Monitoring LOC: Rationale: Assessing level of consciousness provides insights into neurological status and can help identify deteriorating conditions. (Evidence: Adams, H. P., del Zoppo, G., Alberts, M. J., Bhatt, D. L., Brass, L., Furlan, A., … & American Heart Association. (2007). Guidelines for the early management of adults with ischemic stroke: a guideline from the American Heart Association/American Stroke Association Stroke Council, Clinical Cardiology Council, Cardiovascular Radiology and Intervention Council, and the Atherosclerotic Peripheral Vascular Disease and Quality of Care Outcomes in Research Interdisciplinary Working Groups: The American Academy of Neurology affirms the value of this guideline as an educational tool for neurologists. Stroke, 38(5), 1655-1711.)

Question 3: Prioritization of Nursing Interventions

In the order of highest clinical priority:

Monitoring LOC: Early detection of any deterioration in consciousness aids in timely intervention and prevents further neurological damage.

Continuous Cardiac Monitoring: Ensuring cardiac rhythm stability prevents complications and guides appropriate treatment.

12-Lead ECG 6th Hourly: Regular ECGs assess for any cardiac complications, enabling prompt intervention.

Supplemental Oxygen if SpO2 < 93%:Maintaining adequate oxygenation is crucial for brain perfusion and preventing secondary injuries.

Monitor for Haematemesis, Melaena, and Haematuria: Detecting signs of internal bleeding helps prevent hemorrhagic complications.

In conclusion, understanding the pathophysiology of stroke-related manifestations is key to providing effective care. Evidence-based interventions, such as continuous cardiac monitoring and monitoring level of consciousness, aid in prompt recognition and management. Prioritization of interventions ensures that critical aspects of stroke care are addressed first, optimizing patient outcomes.