J Korean Dent Soc Anesthesiol.  2011 Dec;11(2):153-158. 10.17245/jkdsa.2011.11.2.153.

Retro- and Ante-grade Amnesia after Conscious Sedation Using Midazolam

Affiliations
  • 1Department of Oral & Maxillofacial Surgery, LivingWell Dental Hospital, Goyang, Korea. Livingwell@paran.com
  • 2Department of Oral & Maxillofacial Radiology, LivingWell Dental Hospital, Goyang, Korea.

Abstract

Midazolam is known to produce sedation as well as amnesia. Many articles reported about anterograde amnesia, but it is rare that articles about retrograde amnesia. The 61-year-old female patient (64 kg, 154 cm, ASA physical status I) was administered 3.02 mg (0.047 mg/kg) of midazolam during 2 hours. The patient's Modified Observer's Assesment of Alertness/Sedation Scale was 4. The patient who had been consciously sedated with midazolam, exhibited profound amnesia, both anterograde and retrograde after implantation. The patient's memory restoration was begun after 6 hours.

Keyword

Anterograde amnesia; Midazolam; Retrograde amnesia

MeSH Terms

Amnesia*
Amnesia, Anterograde
Amnesia, Retrograde
Conscious Sedation*
Equidae
Female
Humans
Memory
Midazolam*
Middle Aged
Midazolam
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