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Transcranial doppler in sickle cell anaemia: evaluation of brain blood flow parameters in children of Aracaju, Northeast-Brazil.
Arquivos de Neuro-psiquiatria 2008 June
BACKGROUND: Environmental factors interfere on sickle cell anaemia (SCA). Transcanial Doppler (TCD) is important to evaluate cerebrovascular disease.
OBJECTIVE: To evaluate brain haemodynamic profile of children with SCA in Sergipe.
METHODS: Cross sectional study (group1: SCA patients aged 3-18; group2: age and sex matched healthy individuals). Baseline brain flow was evaluated.
RESULTS: Group1=34 patients; group 2=81 controls. SCA patients had mean velocity (MV)=125.69 cm/s+/-23.40; pulsatility index (PI)=0.66+/-0.10; middle cerebral artery ratio (MCAr)=14.53+/-15.23; right anterior cerebral artery/right middle cerebral artery=0.77+/-0.20; left anterior cerebral artery/left middle cerebral artery=0.78+/-0.20. Controls had MV=79.44+/-15.54; PI=0.82+/-0.11; MCAr=13.19+/-13.77; right anterior cerebral artery/right middle cerebral artery=0.80+/-0.16; left anterior cerebral artery/left middle cerebral artery=0.84+/-0.18. MV and PI differences were statistically significant between groups. MV was related to age but not to gender.
CONCLUSION: MV evaluation using TCD was similar to international standards and possible to be used in our setting.
OBJECTIVE: To evaluate brain haemodynamic profile of children with SCA in Sergipe.
METHODS: Cross sectional study (group1: SCA patients aged 3-18; group2: age and sex matched healthy individuals). Baseline brain flow was evaluated.
RESULTS: Group1=34 patients; group 2=81 controls. SCA patients had mean velocity (MV)=125.69 cm/s+/-23.40; pulsatility index (PI)=0.66+/-0.10; middle cerebral artery ratio (MCAr)=14.53+/-15.23; right anterior cerebral artery/right middle cerebral artery=0.77+/-0.20; left anterior cerebral artery/left middle cerebral artery=0.78+/-0.20. Controls had MV=79.44+/-15.54; PI=0.82+/-0.11; MCAr=13.19+/-13.77; right anterior cerebral artery/right middle cerebral artery=0.80+/-0.16; left anterior cerebral artery/left middle cerebral artery=0.84+/-0.18. MV and PI differences were statistically significant between groups. MV was related to age but not to gender.
CONCLUSION: MV evaluation using TCD was similar to international standards and possible to be used in our setting.
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