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A study to find out prevalence of low ankle-brachial index in patients of ischemic heart disease

Jinal Pandya, Pawan Goyal.


Background: The ankle-brachial index (ABI) is the ratio of systolic pressure at the ankle and systolic pressure at the arm. ABI is a tool to diagnose the peripheral arterial disease (PAD) and it has been shown to predict mortality and adverse cardiovascular (CV) events.

Aims and Objectives: This study was aimed to collect the data pertaining to diagnostic value of ABI and its prevalence in patients of ischemic heart disease.

Materials and Methods: A cross-sectional descriptive-analytic study was done by the measurement of ABI on patients undergoing coronary angiography admitted in the Idaho Central Credit Union and Cath Lab at V. S. General Hospital, Ahmedabad. Statistical analysis was done using the SPSS 23.0 version. Univariate analysis was performed by applying the Pearson Chi-squared test.

Results: According to the present study, the prevalence of low ABI in patients undergoing cardiac angiography is very low 4.6% and among those patients, true positives confirmed by peripheral angiography or Doppler studies were 91%. The association between a low ABI and CV risk factors such as smoking, hypertension, and diabetes is significant.

Conclusion: ABI is a simple and cost-effective mode of diagnosis of PAD. It can identify the involvement of coronaries as an early intervention.

Key words: Coronary Artery Disease; Ankle-brachial Index; Peripheral Arterial Disease; Cardiovascular; MI; STEMI; NSTEMI; ECG

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