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Lipoprotein (a) and other Lipid Profile in Patients with Thrombotic Stroke: Is it a Reliable Marker?
Shashidhar K Nagaraj1, Pareenta Pai, Gopalakrishna Bhat
1Department of Biochemistry, Sri Devaraj Urs Medical College, Tamaka, Kolar, Karnataka, India.
Insights
This study found no significant differences in lipoprotein (a) or lipid profiles between thrombotic stroke patients and controls. Further research is needed to clarify lipoprotein (a)
Area of Science:
- Cardiovascular Research
- Neurology
- Clinical Biochemistry
Background:
- Cerebrovascular disease (CVD) and coronary heart disease (CHD) are leading causes of mortality.
- Elevated Lipoprotein (a) [Lp(a)] is a known risk factor for CHD, but its role in CVD is not well-defined.
Purpose of the Study:
- To investigate the association between Lipoprotein (a) [Lp(a)] and lipid profiles in patients with thrombotic stroke.
- To compare these markers between acute-phase thrombotic stroke patients and control groups.
Main Methods:
- A case-control study involving 21 thrombotic stroke patients and 18 age/sex-matched controls.
- Serum analysis included total cholesterol, triglycerides, HDL-C, LDL-C, Lp(a), and fasting blood glucose.
- Statistical analysis employed Student's t-test with significance set at P < 0.05.
Main Results:
- No statistically significant differences were observed in serum lipid profiles or Lp(a) levels between thrombotic stroke patients and controls.
- The most frequent stroke incidence was observed in the 70-80 year age group.
Conclusions:
- The study did not establish a significant association between Lp(a) or lipid profiles and thrombotic stroke in the studied population.
- Associated risk factors like diabetes, hypertension, and family history were noted.
- Further research is recommended to determine the significance of serum Lp(a) as a risk factor for thrombotic stroke.
Background:
Cerebrovascular disease (CVD) and coronary heart disease (CHD) cause 40%-50% of deaths in developed countries with CVD causing 10%-12% of deaths. Though increased Lipoprotein (a) is a risk factor in developing CHD, its role is poorly defined in etiopathogenesis of CVD.
Aims:
To find the association of lipoprotein (a) and lipid profile in thrombotic stroke patients after acute phase.
Settings And Design:
The study was conducted at Kasturba Medical College, Manipal. Twenty one cases of thrombotic stroke and 18 cases of age and sex matched controls were taken for the study. Informed consent was taken from both case and control.
Materials And Methods:
Overnight fasting sample was collected from both case and control. Serum was separated and parameters such as total cholesterol, triglycerides, high density lipoproteins-C, low density lipoprotein-C, lipoprotein (a), fasting blood sugars were estimated.
Statistical Analysis:
Data were analyzed by SPSS software, Student's t-test, standard deviation (SD), and standard error of mean (SEM), P-value <0.05 is considered to be significant.
Results:
In this study, we found no statistical significant differences in serum lipid and lipoprotein (a) profile between controls and thrombotic stroke patients.
Conclusions:
Highest frequency (38%) of stroke was found in the age group of 7080 years. There were other associated risk factors such as diabetes in five cases (24%), hypertension in nine cases (43%), and family history of stroke in four cases. However, further studies are required to evaluate the importance of serum Lp(a) estimation in the assessment as a risk factor for thrombotic stroke.
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