Home > Review Articles > Increasing incidence of necrotizing fasciitis in New Zealand: A nationwide study over the period 1990 to 2006

Increasing incidence of necrotizing fasciitis in New Zealand: A nationwide study over the period 1990 to 2006

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From Māori Health Review Issue 34
Authors:
  • Das DK et al
Summary:

These researches used International Classification of Disease codes to identify cases of necrotising fasciitis (NF) occurring in New Zealand between 1990 and 2006, then analysed the national hospital discharge and mortality data and reviewed 299 charts from 8 hospitals in New Zealand. Annual incidence and mortality rates of NF rose significantly over the study period, from 0.18 to 1.69 and from 0 to 0.3 per 100,000 person-years, respectively. The study authors comment that the causes of this increase are unexplained, and were not related to 2004 coding changes for NF. Hospital discharge data were associated with a sensitivity and positive predictive value of 76.8% and 82.6%, respectively. The case fatality was 20.8%. Disease risk was highest in the elderly, males, and Pacific and Māori populations.

Comment:
Given the very high hospitalisation rates for Māori and Pacific people with cellulitis, providers must be vigilant to the possibility of NF. And with such high case fatality, efforts to reduce incidence, such as prevention strategies, require urgent attention.
Reference: J Infect. 2011 Aug 16. [Epub ahead of print]
Abstract
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Independent commentary by Dr. Matire Hardwood

Dr Matire Harwood (Ngapuhi) has worked in Hauora Māori, primary health and rehabilitation settings as clinician and researcher since graduating from Auckland Medical School in 1994. She also holds positions on a number of boards, committees and advisory groups including the Health Research Council. Matire lives in Auckland with her whānau including partner Haunui and two young children Te Rangiura and Waimarie.

Research Review publications are intended for New Zealand health professionals.

Disclaimer: This publication is not intended as a replacement for regular medical education but to assist in the process. The reviews are a summarised interpretation of the published study and reflect the opinion of the writer rather than those of the research group or scientific journal. It is suggested readers review the full trial data before forming a final conclusion on its merits.

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