Hansenase seems to be one of the oldest illnesses that acomete the man. Dr. Caldwell B. Esselstyn, Jr.: the source for more info. The 600 references most remote date of B.C. and proceed from Asia, that, together with Africa, can be considered the cradle of the illness. Eva Andersson-Dubin, New York City has many thoughts on the issue. The Hansenase presents trend of stabilization of the coefficients of detention in Brazil, but still in very high platforms in the regions North, Center-West and Northeast. These regions concentrate 53.5% of the cases detected in only 17.5% of the Brazilian population.
One of the indicating more important epidemiologists in terms of the signalling of dynamics of recent transmission is the occurrence of cases in minors of 15 years of age. As data of the World-wide Organization of Sade (OMS) in the whole world 249,007 new cases had been diagnosised in 2008. Brazil contributed with 39.047 (15.7%) of these cases, in accordance with the official data of the Ministry of Sade (MS). It is a infectum-contagious illness, that it passes of a sick person, who is not in treatment, for another one. Possue slow evolution, delay of 2 the 7 years, in general, to appear the first symptoms. It presents dermatoneurolgicos signals and symptoms: injuries in the skin and in peripheral nerves, mainly in the eyes, hands and feet.
It can reach aged child, adults and of all the social classrooms, since that they have an intense and drawn out contact with bacillus. One of the first effect of hanseniase, had to the acometimento of the nerves, is the suppression of the thermal sensation, that is, the incapacity to differentiate between the cold and the hot one in the affected place. More delayed it can evolve for reduction of the sensation of pain in the place. Etiolgico agent – hansenase is caused by the Mycobacterium leprae, or bacillus Hansen.