Which of the following conditions is most important risk factor for intracerebral hemorrhage?

DHS 2018 shift 1st

Medical & Surgical Nursing

Easy

Appeared in: DHS 2018 shift 1st

Explanation

Hypertension is the single most important and common modifiable risk factor for intracerebral hemorrhage (ICH).
Chronic high blood pressure leads to degenerative changes in small penetrating arteries of the brain, a process called hyaline arteriolosclerosis, which weakens the vessel walls.
This weakening makes the vessels prone to rupture, causing bleeding directly into the brain tissue (parenchyma).
Pathology sources confirm that hypertension accounts for over 50% of clinically significant deep brain hemorrhages.

Option A: Coronary artery disease (CAD) primarily affects the heart's blood vessels and is a major risk factor for ischemic stroke (caused by clots) and myocardial infarction, not directly for hemorrhagic stroke.
Option C: Shock is a state of systemic hypoperfusion (critically low blood flow), which leads to inadequate oxygen delivery and causes ischemic brain injury (e.g., watershed infarcts), not hemorrhage.
Option D: While thrombolytic drugs (clot-busters) can cause ICH as a serious complication of treatment, this is an iatrogenic (treatment-induced) cause, not the most important underlying, chronic risk factor that predisposes a person to hemorrhage.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Primary risk factors for intracerebral hemorrhage as background academic context rather than a clinical decision trigger.
Strict blood pressure control is the cornerstone of both primary and secondary prevention of ICH. Nurses play a vital role in patient education regarding adherence to antihypertensive medications.
In the acute care setting, nurses must perform frequent neurological assessments (e.g., GCS, pupillary checks) and closely monitor blood pressure to prevent hematoma expansion while maintaining cerebral perfusion.
What if? If the patient's primary risk factor was anticoagulant use (e.g., warfarin) instead of hypertension, the immediate priority would shift to rapid reversal of the coagulopathy (e.g., with Prothrombin Complex Concentrates) alongside blood pressure management.

How to Approach the Question

First, identify the keywords in the question: "most important risk factor" and "intracerebral hemorrhage." This requires you to differentiate between a primary, underlying condition and a secondary or treatment-related cause.
Analyze each option's relationship to cerebrovascular events.
Evaluate Hypertension: Recall that chronic high pressure exerts force on vessel walls, leading to damage and potential rupture. This is a direct and highly common cause of ICH.
Evaluate Coronary Artery Disease: Associate this with atherosclerosis and blockage (ischemia), which is distinct from hemorrhage.
Evaluate Shock: Recognize this as a state of low blood flow (hypoperfusion), which causes ischemic injury, the opposite of a hemorrhage.
Evaluate Thrombolytic drug: Identify this as a medication that can cause bleeding as a side effect, making it an iatrogenic cause, not a pre-existing risk factor.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 2 pp. 1358-1360, 24-26

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 1255-1257