Smoking and Brain Stroke

Smoking and Brain

          Stroke

WHO reports every year approximately

15million people have a stroke

 87% Ischaemic Stroke

  10% Intra cerebral Hemorrhagic Stroke(HS)

   03%. Subarchnoid (  HS)

 

20.8%  US populations are smokers.

(Ischaemic stroke : caused by deficient

Blood and oxygen supply to the brain

Hemorrhagic stroke : is caused by bleeding or leaky blood vessels.

Ref Int J Mol sci 2020

Oct :21(20):7609 Diji Kuriakose and 

Zhicheng Xiao) )

Meta analysis 

Results

14 studies  303134 subjects

Results Smokers  had an over all increased

Risk of stroke compared with non -smokers

With pooled odd ratio (OR)of 1.61(95%)

Confidence interval CI;1.34-1.93

 p less than

.001

 

Passive smoking increased the overall

Risk of stroke by 45% (OR:1.45,

95%CI 1.o---2.11  p less than .05)

    Conclusions : On the dose  response

Meta analysis the risk of stroke increased

By 12 %for each increment of 5 cigarettes per day.

Ref. Medicine (Baltimore) 2019 March;

         98(12):e14872

Biai Pan

Xiao Jint

Liu  Jun,  Shaohong Qiu

Qiuping Zheng and Mingwo Pan