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African Journal of Neurological Sciences
Pan African Association of Neurological Sciences
ISSN: 1015-8618
Vol. 20, No. 1, 2001, pp. 21-26
Bioline Code: ns01006
Full paper language: English
Document type: Research Article
Document available free of charge

African Journal of Neurological Sciences, Vol. 20, No. 1, 2001, pp. 21-26

 fr
Abayomi S OGUN , Stephen OA OLUWOLE, Oluremi AOGUNSEYINDE, Abiodun O FATADE, Franck OJINI, FI, Kayode A ODUSOTE

Résumé

Introduction :
Dans le but d'agir avec efficacité dans la prise en charge thérapeutique des accidents vasculaires cérébraux un score discriminant à l'aide de variables multiples a été élaboré afin de distinguer les accidents vasculaires hémorragiques (AVCH) des accidents vasculaires ischémiques (AVCI). Le Siriraj stroke score (SSS) a été évalué au Siriraj hospital, Bangkok et au Western infirmary, Glasgow. Il importait de le valider dans le cadre africain.
Methodologie :
Les dossiers des malades hospitalisés au Centre Hospitalier Universitaire d'Ibadan et au centre diagnostic RADMED à Lagos ont été étudiés rétrospectvement de même que les CT-scan. Les données scannographiques ont été comparées au SSS. Les informations ont été analysées grâce au logiciel Epi-info et à l'aide de différentes méthodes stastistiques.
Résultats :
96 patitents ont été retenus. 52 malades avaient un infarcissement cérébral et 44 une hémorragie cérébrale. Le SSS avait une sensiblité de 50% pour les AVC hémorragiques et 58% pour les AVCI avec une spécificité de 54,2%
Conclusions :
Cette étude permet de conclure en l'absence de spécificité du SSS dans la distinction des AVCH et AVCI chez les Africains. Une étude prospective est préconisée en modifiant certaines variables. Actuellement le CT-scan reste la technique de choix pour différencier les AVCI des AVCH.

Mots Clés
Accident vasculaire cérébral hemorragique, Accident vasculaire cérébral ischémique, Afrique, Nigeria, tomodensitométrie

 
 en ACCURACY OF THE SIRIRAJ STROKE SCORE IN DIFFERENTIATING CEREBRAL HAEMORRAGHE AND INFARCTION IN AFRICAN NIGERIANS
Abayomi S OGUN , Stephen OA OLUWOLE, Oluremi AOGUNSEYINDE, Abiodun O FATADE, Franck OJINI, FI, Kayode A ODUSOTE

Abstract

Background:
Scoring systems based on discriminant analysis technique and multivariate logistic regression have been developed to distinguish cerebral haemorrhage (CH) from cerebral infarction (CI). This distinction is necessary in the acute management of stroke patients. The Siriraj stroke score (SSS) was evaluated in Siriraj hospital, Bangkok, and the Western Infirmary, Glasgow, and needs to be validated in an African setting.
Methodology:
The computerised tomography (CT) brain scans of all patients referred with clinical diagnosis of stroke at the University College Hospital (UCH), Ibadan, and RADMED diagnostic centre, Lagos were retrieved and reviewed as well as the case notes of the patients at the referral hospitals. The SSS was computed and the stroke subtype classified. This was compared with the CT scan diagnosis using the latter as the gold standard. Data analysis was performed with Epi-info software and by standard statistical methods.
Results:
Ninety-six patients had complete clinical records and CT scan features consistent with stroke. Of these, 52 had cerebral infarction (CI) and 44 had cerebral haemorrhage (CH). SSS had sensitivity of 50% for CH and 58% for CI with an accuracy of 54.2%.
Conclusion:
In this study, the SSS was not sufficiently sensitive to differentiate between CH and CI in Africans. A prospective study with larger sample size and modification of the discriminant variables is suggested. For now, while efforts must continue to find a simple clinical scoring system to differentiate between CH and CI, we contend that CT scan should remain the investigative technique of choice and should be made affordable and available.

Keywords
Africa, cerebral haemorrhage cerebral infarction,Nigeria, stroke, CT-scan

 
© Copyright 2001 - African Journal of Neurological Sciences
Alternative site location: http://www.ajns.paans.org

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