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Episode of harmful use of sedative — Clinical Guidelines

Overview

An episode of harmful use of sedatives refers to excessive or inappropriate administration leading to adverse outcomes, including prolonged sedation, respiratory depression, and agitation upon recovery. 7 8

Diagnosis

Clinical signs of oversedation: prolonged sedation, respiratory depression, agitation, and altered mental status.

Monitoring vital signs: respiratory rate, oxygen saturation, heart rate, and level of consciousness.

Assessment of patient history and recent sedative exposure.

Management

First-line treatments:

- Midazolam: Reduces recovery agitation post-ketamine administration (0.03 mg/kg IV). 7 - Ketamine: Effective for difficult-to-sedate patients, administered IV (20 mg every 5 min) for advanced endoscopic procedures. 8

Adjunctive treatments:

- Dexmedetomidine: Intranasal administration effective for pediatric MRI sedation, particularly in children <15 kg (dose not specified). 1 - Reversal agents: Atipamezole for xylazine-induced sedation (dose ratio xylazine:atipamezole-HCl 10:1). 10

Special Populations

Pediatrics: Intranasal dexmedetomidine improves MRI sedation success rates compared to traditional methods like chloral hydrate and midazolam. 1

Elderly and Comorbidities: Specific guidelines not provided in abstracts; careful monitoring of respiratory function and sedation depth is crucial. 9

Key Recommendations

Use intranasal dexmedetomidine for pediatric MRI sedation to enhance success rates over traditional agents like chloral hydrate and midazolam. (Evidence: Strong 1)

Administer midazolam concurrently with ketamine for adult emergency department sedation to significantly reduce recovery agitation. (Evidence: Strong 7)

Consider ketamine for advanced endoscopic procedures in patients who are difficult to sedate, given its effectiveness and shorter recovery times compared to standard sedatives. (Evidence: Strong 8)

Employ atipamezole for effective reversal of xylazine-induced sedation in wildlife sedation protocols. (Evidence: Moderate 10)

Implement fasting protocols and optimized sleep duration before MRI in pediatric patients to improve sedation success rates. (Evidence: Moderate 4)

References

1 Jackson TJ, Dawes D, Ahmad S, Martin D, Gyamtso C. Dexmedetomidine improves success of paediatric MRI sedation. Archives of disease in childhood 2022. link 2 Laubscher LL, Pfitzer S, Rogers PS, Wolfe LL, Miller MW, Semjonov A et al.. EVALUATING THE USE OF A BUTORPHANOL-AZAPERONE-MEDETOMIDINE FIXED-DOSE COMBINATION FOR STANDING SEDATION IN AFRICAN ELEPHANTS (. Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians 2021. link 3 Jansson T, Perera BV, Edner A, Fahlman Å. STANDING SEDATION WITH XYLAZINE AND REVERSAL WITH YOHIMBINE IN JUVENILE ASIAN ELEPHANTS (. Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians 2021. link 4 Kimiya T, Sekiguchi S, Yagihashi T, Arai M, Takahashi H, Takahashi T. Sedation protocol with fasting and shorter sleep leads to magnetic resonance imaging success. Pediatrics international : official journal of the Japan Pediatric Society 2017. link 5 Lizarraga I, Castillo-Alcala F, Robinson LS. Sedative and mechanical antinociceptive effects of four dosages of romifidine administered intravenously to donkeys. Research in veterinary science 2017. link 6 Lüders I, Tindall B, Young D, van der Horst G, Botha S, Luther I et al.. Standing sedation with medetomidine and butorphanol in captive African elephants (Loxodonta africana). Veterinary journal (London, England : 1997) 2016. link 7 Sener S, Eken C, Schultz CH, Serinken M, Ozsarac M. Ketamine with and without midazolam for emergency department sedation in adults: a randomized controlled trial. Annals of emergency medicine 2011. link 8 Varadarajulu S, Eloubeidi MA, Tamhane A, Wilcox CM. Prospective randomized trial evaluating ketamine for advanced endoscopic procedures in difficult to sedate patients. Alimentary pharmacology & therapeutics 2007. link 9 Hall JE, Uhrich TD, Ebert TJ. Sedative, analgesic and cognitive effects of clonidine infusions in humans. British journal of anaesthesia 2001. link 10 Arnemo JM, Moe SR, Søli NE. Xylazine-induced sedation in axis deer (Axis axis) and its reversal by atipamezole. Veterinary research communications 1993. link

Episode of harmful use of sedative