Why is clonidine sedating
How much sedation is given, and for how long, is important in determining patient outcome as both over and under-sedation can have potentially deleterious consequences.
Over-sedation can increase time on ventilatory support and prolong ICU duration of stay.
The class of medication used needs to match the underlying cause of discomfort.
In a ventilated patient, this is often multifactorial, and thus a combination of pharmacotherapy may be required.
Haemodynamic responses as a measure of sedation are unreliable in the critically ill patient, hence the need for formal sedation scoring.
Pain is a common problem and may be worsened by invasive and unpleasant procedures.
Agitation is thought to occur at least once in 71% of patients in a medical-surgical ICU.
The modern ICU ventilator is equipped with a wide range of ventilatory modes and, with the addition of electronic flow triggering, synchronization problems have largely disappeared.
The replacement of an endotracheal tube by a tracheostomy reduces the discomfort associated with an artificial airway and may often remove the need for sedation entirely.
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Concerns with clinical scoring systems include interpreter variability and a lack of clear discrimination between deeper levels of sedation.