Clinical outcomes and systemic complications related to severity and etiology of status epilepticus using common data model: Clinical outcomes of status epilepticus using common data model

Jin Park, Min-ho Kim, Hyang Woon Lee

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Status epilepticus (SE) is a critical neurological emergency in patients with neurological and non-neurological diseases. Mortality rises with SE severity. However, whether brain injury or systemic organ dysfunction causes death after SE remains unclear. We studied clinical outcomes and systemic dysfunctions associated with SE using standardized data from the common data model. This model includes clinical evaluations and treatments that provide real-world evidence for standard practice.
Methods: This retrospective cohort study used the common data model database of a single tertiary academic medical center. Patients diagnosed with SE (corresponding to ‘G41’ of the International Classification of Diseases 10 and administration of antiseizure medication) between January 1, 2001, and January 1, 2018, were enrolled. Demographics, classifications of SE severity, and outcomes were collected as operational definitions using a common data model format. Systemic complications were defined based on the Sequential Organ Failure Assessment criteria.
Results: The electronic medical records of 1,825,196 patients were transformed into a common data model, and 410 patients were enrolled. The proportion of patients classified as having non-refractory SE was 65.4% (268/410), followed by refractory (28.5%, 117/410) and super-refractory SE (6.1%, 25/410). Patients with more severe SE had longer ICU and hospital stays. Renal dysfunction and thrombocytopenia were higher in the in-hospital death group (P = 0.002 and 0.003, respectively). In multivariable analysis, the Acute Physiology and Chronic Health Evaluation II score and platelet count were significantly different in the in-hospital death group (odds ratio, 1.169, P = 0.004; and 0.989, P = 0.043).
Conclusions: Systemic complications after SE, especially low platelet counts, were linked to worse outcomes and increased mortality in a common data model. The common data model offers expandability and comprehensive analysis, making it a potentially valuable tool for SE research.
Original languageAmerican English
Article numberNECA-D-23_00102
Pages (from-to)1-9
Number of pages9
JournalNeurocritical Care
Volume39
Issue number3
StateE-pub ahead of print - 15 Dec 2023

Keywords

  • Common Data Model (CDM)ure Assessment Scores, Status epilepticus
  • Complications
  • Prognosis
  • Sequential Organ Failure
  • Assessment Scores
  • Status epilepticus

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