Induction of anaesthesia

Indication for Midazolam

Population group: Suitable for both men and women, only elderly (65 years old or older)

As an alternative intravenous agent for the induction of anaesthesia in high risk and elderly patients, especially where cardiovascular stability is of particular importance. Induction is more reliable when heavy opiate premedication has been administered or when midazolam is given with a narcotic analgesic such as fentanyl.

For this indication, competent medicine agencies globally authorize below treatments:

0.15-0.2 mg/kg

Route of admnistration

Intravenous

Defined daily dose

0.1 - 0.2 mg per kg of body weight

Dosage regimen

From 0.1 To 0.2 mg per kg of body weight once every day

Detailed description

Older patients are more sensitive to the effects of benzodiazepines. Induction may be adequate with 0.1mg/kg body-weight in premedicated patients and 0.2mg/kg body-weight in unpremedicated patients. Initial dose should not exceed 1-1.5mg (0.2-0.3ml).

Active ingredient

Midazolam is a derivative of the imidazobenzodiazepine group. The free base is a lipophilic substance with low solubility in water. The basic nitrogen in position 2 of the imidazobenzodiazepine ring system enables the active ingredient of midazolam to form water-soluble salts with acids.

Read more about Midazolam

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