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Helicopter landing pad

Robert F. Smith trauma-list@trauma.org
Thu, 06 Jun 2002 23:22:40 -0400


This is very interesting. As far as I know no study has shown a correlation
between prehospital time and mortality except for penetrating cardiac
trauma. This is in settings that have relatively short transport times, not
rural scenes with times in hours.

R. Smith
----- Original Message -----
From: "Owen, Dorothy (DHS)" <Dorothy.Owen@dhs.sa.gov.au>
To: <osiris11_2000@yahoo.com>
Cc: <trauma-list@trauma.org>
Sent: Thursday, June 06, 2002 9:07 PM
Subject: Helicopter landing pad


> Valerie,
>
> We are presently having luck in modelling the association between
helicopter
> response time and mortality for trauma victims in South Australia.
> Preliminary results (statistically significant) suggest that a ten-minute
> delay in response time is associated with a 4.3% increase in mortality.
It
> is not immediately clear whether a ten-minute delay waiting for a
helicopter
> retrieval team to arrive at the scene of the patient (ie our study) can be
> taken to reflect accurately on the consequences of a ten-minute delay
> getting the patient from the helicopter into the hospital (ie your
> situation).
>
> For the purpose of your argument you could hypothesize that delays in the
> early pre-hospital phase are equivalent in effect to delays in the late
> pre-hospital phase.  Our estimate of a 4.3% increase in mortality per
> ten-minute delay arose in a patient population characterised with the
> following median values:  helicopter response time 60 minutes; RTS 6.6;
NISS
> 17; ISS 14.  To the extent that your case mix matches ours, you can
believe
> to a greater degree our estimate of the association between time and
> mortality.
>
> Dorothy Owen and Ron Somers
> South Australian Trauma Registry
> Epidemiology Branch
> South Australian Department of Human Services
> Tel: 08 82266361- Ron Somers
> Fax:08 82266291
> email: Dorothy.Owen@dhs.sa.gov.au
>
>
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