Summary
Background
Neisseria meningitidis is a major cause of bacterial meningitis and septicaemia, with death often occurring
rapidly after onset of the first symptoms. Later death can also occur, but may be
due to other causes, such as underlying comorbidities. The study aimed to assess the
timing and cause of death in patients with invasive meningococcal disease (IMD) prior
to the introduction of two new meningococcal immunisation programmes in England.
Methods
Public Health England (PHE) conducts IMD surveillance in England through its national
meningococcal reference unit. Laboratory-confirmed IMD cases diagnosed during 2008–2015
were linked to weekly and annual electronic death registration records as well as
the Patient Demographic Service (PDS) database.
Results
Overall, 6734 of 6808 (99%) laboratory-confirmed IMD cases matched to PDS, including
668 fatalities. Of these, 667 linked to an annual death registration record compared
to 405 reports linked to weekly death registrations. In total, 429/667 (64%) of all
deaths and 428/502 (85%) of IMD-related deaths occurred within one day of diagnosis.
In total, 498/667 (75%) deaths had occured by 30 days after IMD diagnosis and 98%
(490/498) of these were IMD-related. Serogroup B contributed to 64% (323/502) of IMD-related
deaths, followed by serogroup W (84/502, 17%) and serogroup Y (70/502, 14%). Deaths
occurring after 30 days were less likely to be IMD-related, mainly amongst ≥65 year-olds,
with malignancy, chronic respiratory and cardiac conditions predominating.
Conclusions
Most IMD-related deaths occurred within a day of diagnosis and nearly all IMD-related
deaths occurred within 30 days of diagnosis. The rapidity of death highlights the
importance of prevention through vaccination.
Keywords
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Article info
Publication history
Published online: January 02, 2020
Accepted:
December 17,
2019
Identification
Copyright
© 2019 Published by Elsevier Ltd on behalf of The British Infection Association.