A patient with increased intracranial pressure should be placed in?

RUHS, Jaipur, M.Sc Nursing Entrance Exam-2021

Medical Surgical Nursing

Easy

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2021

Explanation

Low-Fowler's position involves elevating the head of the bed by 15-30 degrees.
This position utilizes gravity to facilitate venous drainage from the head via the jugular veins.
Reducing the intracranial blood volume through enhanced venous outflow directly helps to lower intracranial pressure.
It is essential to maintain the head in a neutral, midline position to ensure the jugular veins are not compressed.

Option A: The prone position increases intra-abdominal and intrathoracic pressure, which impedes venous drainage from the brain and consequently increases ICP. It is contraindicated in patients with elevated ICP.
Option C: The lateral (side-lying) position is not ideal because it carries a high risk of the patient's neck becoming flexed or rotated. This can compress the jugular veins, obstruct venous outflow, and raise ICP.
Option D: The Trendelenburg position (head down, feet up) is strictly contraindicated. It dramatically increases blood flow to the brain and severely impedes venous drainage, causing a sharp and dangerous rise in ICP.

Clinical Relevance

Nursing practice connection: Use the key finding related to Patient positioning for management of increased intracranial pressure (ICP) to guide bedside assessment, documentation, and the next nursing action.
A nurse's primary responsibility for a patient with increased ICP is to perform frequent neurological assessments and implement interventions to lower pressure, with proper positioning being a key non-invasive action.
Nursing care involves maintaining the head of the bed elevation as ordered, ensuring neutral head and neck alignment (using towel rolls if needed), and minimizing any activities that could increase ICP, such as clustering care, excessive suctioning, or allowing the patient to perform the Valsalva maneuver.
What if? If a patient with increased ICP also becomes hypotensive (low blood pressure), the priority may shift. Elevating the head can lower blood pressure. The goal is to maintain an adequate Cerebral Perfusion Pressure (CPP = MAP - ICP). In this case, the head of the bed might be lowered to a flatter position to increase the Mean Arterial Pressure (MAP) and preserve brain perfusion, requiring careful, continuous monitoring of both ICP and blood pressure.

How to Approach the Question

First, identify the key concept in the question: managing 'increased intracranial pressure' (ICP).
Recall the basic physiology: ICP is the pressure inside the skull. It is influenced by the volume of brain tissue, blood, and cerebrospinal fluid (CSF). The goal is to reduce this pressure.
Think about how gravity affects fluid. To drain fluid (in this case, venous blood) away from the head, the head must be elevated.
Evaluate each option based on this principle:
Prone (face down) and Trendelenburg (head down) would hinder drainage and increase pressure.
Lateral (side-lying) is risky as it can kink the 'drainage pipe' (jugular veins) if the neck isn't perfectly straight.

Concept Tested & Keywords

Concept Tested: Patient positioning for management of increased intracranial pressure (ICP).
Stem keywords: patient, increased intracranial pressure, position
Lead-in keywords: should be placed in