Structure of and fatality from stroke in 2001-2012 in Semey, East Kazakhtan: a descriptive study

Tuesday, 19 August 2014
Exhibit hall (Dena'ina Center)
T Khaibullin , Semey State Medical University, Semey, Kazakhstan
A Akimzhanova , Semey State Medical University, Semey, Kazakhstan
Yulia Semenova , Semey State Medical University, Semey, Kazakhstan
R Bikbaev , Semey State Medical University, Semey, Kazakhstan
A Tusupbekova , Semey State Medical University, Semey, Kazakhstan
D Bryzhakhin , Semey State Medical University, Semey, Kazakhstan
E Kirillova , Semey State Medical University, Semey, Kazakhstan
Andrej M Grjibovski, PhD , Northern State Medical University, Arkhangelsk, Russia
O Dolmatova, MD , Kazakh Academy of Nutrition, Almaty, Kazakhstan
INTRODUCTION:  Stroke is one of the most common cause of disability in Kazakhstan. Although it is known that the incidence of and mortality from stroke in Kazakhstan is among the highest in the European WHO region, little information on the structure and case fatality of stroke is available in international literature. The aim of this descriptive study is to summarize the evidence on the structure and case fatality among the patients with stroke in Semey, East Kazakhstan.

METHODS:  We analyzed case histories of all patients hospitalized in municipal emergency hospital where all stroke patients get hospitalized during the period 2001-2012. The population served by his hospital increased from 296037 to 341429 during the study period. We present the incidence of stroke using hospital data assuming that all cases are hospitalized to this hospital, proportions of different types of stroke among all cases and case fatality among hospitalized patients. The population served by his hospital increased from 296,037 to 341,429 with changes in structure, therefore we calculated standardized incidence.

RESULTS: Altogether, there were 10,294 patients during the study period. Cerebral infarction constituted 77.8% of all cases followed by intracerebral hemorrhage (18.0%) and subarachnoid hemorrhage (4.2%). The population served by his hospital increased from 296037 to 341429. Standardized incidence of stroke increased from 2.1 to 3.0 per 1000. This increase was mainly attributed to the 80% increase in cerebral infarction. The overall case fatality increased from 15.1% in 2001 to 18.2% in 2012. This increase was observed for all categories of stroke.

CONCLUSIONS:  An increase in both incidence and case fatality of stroke warrants urgent preventive measures and improvements in treatment of stroke patients. We also suggest establishment of the stroke registry with detailed information on risk factors, circumstances of stroke as well as treatment which can be a valuable tool for further research.  

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