Question

Difficulty: MediumReduction of Risk Potential

A 52-year-old client is recovering in the intensive care unit four hours after a right supratentorial craniotomy. The client is lethargic but responds appropriately to verbal commands. Recent assessment reveals a blood pressure of 138/82 mm Hg, an apical pulse of 84 bpm, and a respiratory rate of 14 breaths per minute. Which intervention should the nurse implement to minimize the risk of increased intracranial pressure?

  1. Elevate the head of the bed to 30 degrees while maintaining the neck in a neutral, midline alignmentAnswer
  2. B
    Position the client flat in a lateral decubitus alignment with the hips and knees sharply flexed
  3. C
    Instruct the client to perform forceful coughing exercises at hourly intervals to ensure airway clearance
  4. D
    Collaborate with the respiratory therapist to target a partial pressure of carbon dioxide (PaCO2) between 45 and 50 mm Hg

Answer

Elevate the head of the bed to 30 degrees while maintaining the neck in a neutral, midline alignment
Maintaining the head of the bed at a 30-degree angle with the neck in a neutral, midline position is a critical intervention following intracranial surgery. This specific alignment promotes optimal venous drainage from the brain through the jugular veins, preventing blood from pooling in the cranial vault and thereby minimizing the risk of increased intracranial pressure.

Step-by-Step Solution

1
Analyze the clinical scenario and identify the primary physiological risk.
The client has recently undergone a supratentorial craniotomy, making them highly vulnerable to cerebral edema and increased intracranial pressure (ICP).
Identifying the primary risk dictates the choice of preventative nursing interventions to ensure patient safety.
2
Evaluate the physiological impact of positioning on cerebral hemodynamics.
Elevating the head of the bed to 30 degrees with a neutral neck alignment facilitates venous return from the brain via the jugular veins.
Proper venous outflow prevents blood pooling in the cranial vault, effectively reducing intracranial pressure and minimizing the risk of secondary brain injury.

Key Concept

Prevention of Increased Intracranial Pressure
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