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Road traffic accidents in Road traffic accidents in
Tunisia: Tunisia:
a man made disastera man made disasterPr Hassen Ghannem
Department of Epidemiology University Hospital Farhat Hached
Sousse, Tunisia
DisasterDisaster
Webster’s Dictionary defines disaster Webster’s Dictionary defines disaster
as as
a baleful or fatal event leading to ruin.a baleful or fatal event leading to ruin.
•FamilyFamily
•CountryCountry
What’s more disastrous for someone What’s more disastrous for someone
than the death of a relative following a than the death of a relative following a
road traffic accident.road traffic accident.
INTRODUCTIONINTRODUCTION
Injuries account for 12% of the global burden of disease (1, 2)
Traffic accidents are costing countries between 1% to 2 % of their gross national product
Traffic accidents are a major preventable public health problem
About 1,2 millions persons were killed and 50 millions were injured, worldwide, in 2002.
DESCRIPTIVE EPIDEMIOLOGYDESCRIPTIVE EPIDEMIOLOGY
Figure 2 : Road traffic injury mortality rates in the different regions of the world (1)
DESCRIPTIVE EPIDEMIOLOGYDESCRIPTIVE EPIDEMIOLOGY
Worldwide Road traffic injuries mortality rates
: * 1,2 millions persons killed every year
* 3242 persons killed every day * Traffic accidents : 11th cause of death * Developing countries: - 2/3 of the world population - 90% of deaths due to road crashes
DESCRIPTIVEDESCRIPTIVE EPIDEMIOLOGYEPIDEMIOLOGY Worldwide Road traffic injury mortality rates :
* Increase in the mortality rates of 10% between 1990 and 2002 (1)
* Differences between developped and developing countries
Figure 3 : Changes in road crashes mortality rates according to countries (1)
DESCRIPTIVE EPIDEMIOLOGYDESCRIPTIVE EPIDEMIOLOGY In Tunisia
During the period 1996-1998 (3): - 32 197 accidents, with 14,9 deaths per
100 accidents - an average traffic accidents incidence : 116,3 / 100 000 inhabitants / year - an average mortality rate : 14,2 deaths / 100 000 inhabitants / year - 5,9 persons killed per 100 humans implied - the average age of the persons who were implied
in the accidents : 33,6 years - About 61,7 % of drivers were aged 20-40 years; 21 times more males than females among drivers - Pedestrians were the most vulnerable and the most
severely injured.
RISK FACTORSRISK FACTORS
The risk depends on four elements : A) Exposure excess (need to travel)
B) Risk of crash, given a particular exposure,
C) Risk of injury, given a crash,
D) Risk of death or severe consequences, given an injury.
PREVENTIONPREVENTION
Taffic accidents are preventable. The three targets of the road safety
actions : - the road users - the vehicles - the roads infrastructure as well as the
traffic management.
PREVENTIONPREVENTIONA- A scientific approach to the issue is
necessary : Many conditions are required to guarantee the
efficiency of the prevention strategies which are adopted. To collect, analyse and carefully interpret reliable
data : The National Traffic Observatory in Tunisia was established to fulfill theses missions.
To define objectives. To promote research, which subjects are
concerned with road safety. To encourage the cooperation between different
organizations intervening in traffic accidents prevention (NETWORKING).
B- The key organizations intervening in the prevention
strategies :
Figure 7 : Organizations intervening in road safety actions(1)
C- Prevention measures :
Prevention strategies are made of interventions which are aiming to :
diminish the exposure risk. avoid road crashes, given a particular
exposure. reduce the severity of injuries caused
by crashes improve the medical care for victims.
Measures avoiding road crashes, given an exposure
Speed limitation Measures against « alcohol and driving » Measures avoiding the drivers fatigue : Measures ensuring pedestrian and cyclists
safety Prevention of traffic accidents implying
young drivers The prohibition of the use of hand-held
mobile telephones while driving More road visibility
Measures reducing the severity of injuries caused by crashes :
a – The use of seat-belts When used, the seat-belt reduce the risk
of fatal or severe accident, between 40% and 65 % (1).
Making the wearing of safety belts compulsory improves their use rates.
b- Use of helmets
c- Availability of air bags
Actions improving post-crash injury outcome
- pre-hospital mesures : * Bystanders : call for help, carry out simple acts
to rescue victims, protect victims from an other accident
* Larger access to emergency services * Better pre-hospital medical care - actions in the hospital :
CONCLUSION CONCLUSION
Traffic accidents constitute a huge public health problem: a man made disaster.
The situation is going to be worse unless prevention strategies are adopted.
There is a hope to avoid such losses of lives, of health and of money by setting road safety actions.
A scientific approach to the issue is essential in every country, so that road safety policies could be founded on reliable data, and meeting financial resources of each region.
REFERENCESREFERENCES1- World report on road traffic injury
prevention. Geneva (Switzerland), World health
organization, 2004. (http:/www.who.int/violence_injury_prevention)2- Bovet B. Health transition and emerging
cardiovascular disease in developing countries :
situation and strategies for prevention, Super course.
3- Henchir N. Epidemiology of traffic accidents in Tunisia [thesis]. Sousse : Medicine
Faculty of Sousse 2001.
THANK YOUTHANK YOU