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A client with a head injury is being monitored for increased intracranial pressure (ICP). His blood pressure is 90/60 mmHG and the ICP is 18 mmHg; therefore his cerebral perfusion pressure (CPP) is: a.) 52 mm Hgb.) 88 mm Hgc.) 48 mm Hgd.) 68 mm Hg

Respuesta :

His cerebral perfusion pressure (CPP) is a 52 mm Hgb.

What do you mean by cerebral perfusion pressure?

Cerebral perfusion pressure (CPP) is the net pressure gradient that drives oxygen delivery to cerebral tissue. It is the difference between the mean arterial pressure (MAP) and the intracranial pressure (ICP), measured in millimeters of mercury (mm Hg). Maintaining appropriate CPP is critical in managing patients with intracranial pathology, including traumatic brain injury, and with hemodynamic distress, such as shock. Normal CPP lies between 60 and 80 mm Hg, but these values can shift to the left or right depending on individual patient physiology. As CPP is a calculated measure, MAP and ICP must be measured simultaneously, most commonly by invasive means. Maintaining adequate CPP in clinical situations of intracranial pathology with deranged ICP or hemodynamically unstable conditions will decrease the risk of ischemic brain injury.

MAP = ( diastolic blood pressure*2) + systolic blood pressure/ 3

So,

MAP = 2*60+90/3

MAP = 70 mm Hg

CPP= MAP- ICP

CPP= 70-18

CPP= 52mm Hg.

To know more about cerebral perfusion pressure from the given link:

https://brainly.com/question/29569423

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