Dyslipidemia Associated with Hypertension Increases the Risks of CHD among cardiac patients: A Case-Control Study

Background: Coronary Heart Disease (CHD) is one of the largest contributors to mortality and morbidity worldwide. Globally, CHD accounts for 17.5 million deaths in 2012, with over 75% of deaths occurring in developing countries. By 2015, 16% of all female and male deaths were caused by CHD. Dyslipidemia is the most common risk factor of CHD for the excessive level of lipids in blood. Most dyslipidemias are hyperlipidemias in developing countries; that is, an accumulation in blood lipids. CHD was 18 times more likely to grow according to hypertension with dyslipidemia category than with non-dyslipidemias. The aim of this study was to assess the effect of dyslipidemia associated with hypertension for coronary heart disease and identify risk factors for CHD among cardiac patients. Material & Methods: This was a case control study and was conducted in the Department of Medicine, LABAID Specialized Hospital, Dhaka, Bangladesh during the period from May,2022 to March,2023. We included 170 cardiac patients in our study. The patients were divided into two groups – Case group (Patients diagnosed with CHD) & Control group. Results: In total 170 patients from both the groups completed the study. In our study we found most of our patients were male (58%) compared to female (42%). We found the mean age was 46.1±11.3 & 47.1±9.3 years in case & control group respectively. Family history of hypertension was significantly higher in case group (52%). Among all patients, BMI was higher in case group. Cholesterol, systolic & diastolic bp was found significantly higher in case group than control group. HDL was found lower & LDL was found higher in case group. Among 85 cases, majority (68%) had dyslipidemia associated with hypertension. We found dyslipidemia was 55% & 36% in case & control group respectively. Hypertension was also found significantly higher in case group. Age ? 60 years, family history of CHD, smoking, diabetes & obesity were also individual risk factors of CHD among cardiac patients. In dyslipidemia with hypertension group 68 patients were diagnosed with CHD which is higher than non-hypertension group. Conclusion: In our study, we found that dyslipidemia, hypertension, age ? 60 years, family history of CHD, smoking, diabetes & obesity are individual risk factors of CHD development. Relationship of dyslipidemia with coronary heart disease in hypertension is significant. We also found dyslipidemia with hypertension is an established risk factor of prime importance that increased the risks of CHD among cardiac patients