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Clinical and pathological characterization of blood stream forms and cerebrospinal fluid T. b. rhodesiense trypanosomes isolated from a patient using rabbits

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Title Clinical and pathological characterization of blood stream forms and cerebrospinal fluid T. b. rhodesiense trypanosomes isolated from a patient using rabbits
 
Creator Ndung'u, K.
Kagira, J.M.
Ngotho, J.M.
Ouma, J.
Bett, Bernard K.
Gitonga, P.
 
Description Clinical and pathological characterisation of blood stream (BSF) and cerebrospinal fluid (CSF) forms of Trypanosoma brucei rhodesiense trypanosome isolated from a sleeping sickness patient were investigated in rabbits. The study aimed at investigating whether there is any significant difference in clinical and pathological presentation in rabbits infected by the two forms of trypanosomes. Each form of parasite was inoculated into five rabbits at 10,000 trypanosomes/ml while five rabbits were used as un-infected controls. Parasitaemia development, body temperature, packed cell volume (PCV), body weight, food and water intake, heartbeat and respiration were monitored daily for 30 days post infection when the experiment was terminated. Pathological changes were evaluated following euthanasia. All the infected rabbits became parasitaemic 6 days post infection (dpi) and the parasitaemia levels were significantly higher (p=0.01) for the BSF than the CSF infected rabbits. No significant difference was observed in heartbeat, respiration, food and water intake as well as PCV. However, CSF infected rabbits had a significantly (p=0.01) higher body temperature and weights than BSF infected rabbits. There was no major difference in the clinical manifestation of the disease caused by the two forms of parasite. However, temporary paralysis was observed around the left side of the neck in one rabbit infected with CSF trypanosomes whereas mucoid stool with the presence of amoeba cysts were observed in the rabbits infected with the BSF trypanosomes. The spleen weights of CSF infected rabbits was heavier (3.59 ± 1.13 grams) than the BSF infected rabbits (2.92 ± 0.78 grams). The proportions of monocytes were significantly higher (p
 
Date 2010-02-06T08:32:57Z
2010-02-06T08:32:57Z
2009-06-15
 
Type Journal Article
 
Identifier Ndung’u, K., Kagira, J.M., Ngotho, J.M., Ouma, J., Bett, B. and P. Gitonga. 2009. Clinical and pathological characterization of blood stream forms and cerebrospinal fluid T. b. rhodesiense trypanosomes isolated from a patient using rabbits. Journal of Protozoology Research 19: 50-61.
http://hdl.handle.net/10568/631
 
Language en
 
Source Journal of Protozoology Research