
Original
Diagnostic Value of Chest X-Ray in Ischemic Cardiomyopathy Validated by Echocardiography
*Khan PR,1 Ferdouse F,2 Hasan M,3 Ahmed TU,4 Haque A5
- *Dr. Parvez Rahman Khan, Assistant Professor, Cardiology, Community Based Medical College Bangladesh Mymensingh. drprkhan36@gmail.com. ORCID: https://orcid.org/0009-0006-0601-7817
- Dr. Farzana Ferdouse, Assistant Professor (in situ), Radiology & Imaging, Mymensingh Medical College Hospital, Mymensingh. ORCID: https://orcid.org/0009-0003-0142-2213
- Dr. Mehedee Hasan, Registrar, Cardiology, Community Based Medical College Hospital Bangladesh, Mymensingh. ORCID: https://orcid.org/0009-0006-1882-2004
- Dr. Tofayel Uddin Ahmed, Associate Professor & Head, Cardiology, Community Based Medical College Bangladesh, Bangladesh Mymensingh. ORCID: https://orcid.org/0009-0009-2030-1111
- Dr. Amdadul Haque, Associate Professor, Cardiology, Community Based Medical College Bangladesh, Mymensingh. ORCID: https://orcid.org/0009-0001-3303-8293
*For correspondence
Abstract
Background: Ischemic cardiomyopathy (ICM) is one of the leading causes of heart failure in Bangladesh and worldwide. Chest radiography is the most universally available and affordable cardiac imaging tool. Knowing how well its findings correlate with echocardiographic indices of ventricular dysfunction can help doctors make faster and more accurate diagnoses, especially where echocardiography is not immediately available.
Methods: This was a cross-sectional observational study conducted in the Department of Cardiology, Community Based Medical College & Hospital (CBMCB), Mymensingh, from January 2025 to January 2026. A total of 96 purposively selected patients with confirmed ICM were enrolled. All patients underwent standard posteroanterior chest radiography and comprehensive transthoracic echocardiography (TTE). Key echocardiographic indices including left ventricular ejection fraction (LVEF), left ventricular end-diastolic diameter (LVEDD), left ventricular end-systolic diameter (LVESD), and regional wall motion abnormality (RWMA) were correlated with radiographic findings. Data were analyzed using SPSS version 22.
Results: Mean age was 57.2 ± 9.4 years; 68 patients (70.8%) were male. Mean LVEF was 30.2 ± 6.8%. Cardiomegaly (Cardio Thoracic Ratio, CTR >0.5) was the commonest radiographic finding (80.2%), followed by pulmonary vascular congestion (73.0%), Kerley B lines (50.0%), and pleural effusion (46.9%). Cardiomegaly correlated significantly with LVEDD (r = +0.64, p<0.001) and inversely with LVEF (r = −0.58, p<0.001). Pulmonary congestion was strongly associated with LVEF ≤30% (p=0.003). RWMA was present in 92.7%. Sensitivity of chest radiography for detecting severe LV dysfunction (LVEF ≤30%) was 83.1%, with specificity 71.4%.
Conclusion: Chest radiographic findings in ICM — particularly cardiomegaly and pulmonary congestion — correlate meaningfully with echocardiographic indices of ventricular dysfunction. Though radiography cannot replace echocardiography, it serves as a valuable, low-cost surrogate that can guide early diagnosis and timely referral.
[Shaheed Syed Nazrul Islam Med Col J 2026, July; 11 (2):170-179]
DOI: https://www.doi.org/10.69699/ssnimcj.2026.11.2.10
