Factors Associated with Refractory Status Epilepticus Termination Following Ketamine Initiation: A Multivariable Analysis Model

Background In this study, we identify factors associated with ketamine success in the treatment of refractory status epilepticus (SE). We also evaluate for adverse events including systemic and cerebral hemodynamic stability and fluid volume overload. Methods In this retrospective, large, single-center, observational study over a 10-year period, 879 consecutive patients receiving intravenous (IV) ketamine were reviewed, and 81 patients were identified as receiving IV ketamine for the treatment of SE. Descriptive analysis was done to determine treatment response and adverse events in patients receiving IV ketamine for SE. Multivariable logistic regression analyses were fitted to determine prediction models for seizure cessation. Results Permanent cessation of SE was achieved in 49 of 81 (60.5%) of patients for whom ketamine was part of the treatment plan. Of those, 36 (44.4%) were attributed to ketamine as the last drug used (ketamine-associated cessation [AC]). Prior history of epilepsy had an odds ratio of 3.19 (confidence interval 0.83–12.67, p = 0.09) associated with efficacious medication response. Increased latency to ketamine was associated with cessation of SE specifically in patients in the AC group (p = 0.077). Longer SE duration (p = 0.04), administration of ketamine loading dose (bolus; p = 0.03), and anoxia (p = 0.007) were negatively associated with AC. Administration of ketamine loading dose (p = 0.02) and anoxia (p = 0.009) were negatively associated with overall SE cessation. There was no significant impact of ketamine on cerebral hemodynamics, but evidence of fluid volume overload was seen (28.4% of patients). Conclusions Our cohort is a large observational study showing a high success rate of permanent cessation of SE after the addition of ketamine. Using multivariable analysis, we demonstrate a significant association with seizure cessation in patients with prior history of epilepsy and those with prolonged latency to ketamine initiation. Furthermore, we describe the impact of fluid volume overload as an anticipated complication with ketamine use..

Medienart:

E-Artikel

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

Zur Gesamtaufnahme - volume:38

Enthalten in:

Neurocritical care - 38(2022), 2 vom: 24. Aug., Seite 235-241

Sprache:

Englisch

Beteiligte Personen:

Srinivas, Meghana [VerfasserIn]
Parker, Dennis [VerfasserIn]
Millis, Scott [VerfasserIn]
Marawar, Rohit [VerfasserIn]
Zutshi, Deepti [VerfasserIn]
Basha, Maysaa M. [VerfasserIn]

Links:

Volltext [lizenzpflichtig]

BKL:

44.90$jNeurologie

Themen:

Intravenous anesthetic drugs
Ketamine
Refractory status epilepticus

Anmerkungen:

© Springer Science+Business Media, LLC, part of Springer Nature and Neurocritical Care Society 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

doi:

10.1007/s12028-022-01578-0

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

OLC2134396334