BET 1: The Ottawa Subarachnoid Hemorrhage Clinical Decision Rule shows high sensitivity but limited evidence of patient benefit.

Emerg Med J

Consultant in Emergency and Critical Care Medicine, Salford Royal NHS Foundation Trust, Salford, UK.

Published: August 2021

AI Article Synopsis

  • A literature review analyzed the diagnostic effectiveness and patient benefits of the Ottawa Subarachnoid Haemorrhage Clinical Decision Rule, summarizing findings from nine relevant studies.
  • The conclusion highlights that while the Ottawa Clinical Decision Rule shows high sensitivity for identifying subarachnoid haemorrhage, there is insufficient evidence about its applicability in different countries and no clear improvement in patient outcomes.
  • The review calls for further prospective research across diverse populations to assess the safety and effectiveness of this clinical decision rule against standard evaluation methods.

Article Abstract

A short-cut review of the literature was carried out to examine the diagnostic test characteristics and potential patient benefits through the use of the Ottawa Subarachnoid Haemorrhage Clinical Decision Rule. Nine papers were identified as suitable for inclusion using the reported search strategy. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of the best papers are tabulated. It is concluded that the Ottawa Clinical Decision Rule has a high sensitivity for the diagnosis of subarachnoid haemorrhage; however, there is limited robust evidence of international generalisability and no evidence of improved patient outcomes following implementation. Further prospective research is required in populations with variable prevalence to evaluate the safety and effectiveness of this intervention, compared with routine evaluation strategies.

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Source
http://dx.doi.org/10.1136/emermed-2021-211807.2DOI Listing

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