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[Evaluation of congenital heart disease in adults]
José María Oliver Ruiz1, Marta Mateos García, Montserrat Bret Zurita
1Unidad de Cardiopatías Congénitas del Adulto. Hospital Universitario La Paz. Madrid. España.
Insights
Adults with congenital heart disease (CHD) face unique diagnostic challenges. A thorough clinical assessment, including physical exam, ECG, and chest X-rays, is crucial, complemented by advanced imaging like echocardiography, MRI, and CT for accurate diagnosis.
Area of Science:
- Cardiology
- Medical Imaging
- Adult Congenital Heart Disease
Background:
- Advances in diagnosis and surgery have increased the adult population with congenital heart disease (CHD).
- Adult CHD presents diagnostic complexities for cardiologists unfamiliar with cardiac malformations.
- The growing prevalence of adult CHD necessitates refined diagnostic strategies.
Purpose of the Study:
- To compare the diagnostic utility of various imaging techniques in adult patients with congenital heart disease.
- To evaluate imaging modalities in both surgically repaired and unrepaired adult congenital heart disease.
- To guide cardiologists in selecting appropriate diagnostic sequences for adult CHD.
Main Methods:
- Review and comparison of established and advanced imaging techniques for adult CHD.
- Emphasis on the foundational role of clinical assessment, physical examination, electrocardiography, and chest X-rays.
- Evaluation of transthoracic echocardiography, transesophageal echocardiography, magnetic resonance imaging, nuclear cardiology, and cardiac catheterization.
Main Results:
- Transthoracic echocardiography provides significant information, often sufficient for diagnosis.
- Image quality in adults can be challenging due to anatomical variations and prior surgeries.
- Transesophageal echocardiography and MRI are valuable, accessible tools in adults, often without anesthesia.
Conclusions:
- A comprehensive clinical evaluation remains paramount in diagnosing adult congenital heart disease.
- Advanced imaging techniques like echocardiography, MRI, and CT offer complementary and sometimes essential diagnostic data.
- Careful selection of diagnostic procedures minimizes redundancy and maximizes complementary information for optimal adult CHD management.
Abstract:
Improvements in the diagnosis and surgical treatment of congenital heart disease during infancy and childhood have resulted in an outstanding increase in the prevalence of these entities during adulthood. Congenital heart disease in the adult represents a new diagnostic challenge to the consultant cardiologist, unfamiliar with the anatomical and functional complexities of cardiac malformations. Assessment of adult congenital heart disease with imaging techniques can be as accurate as in children. However, these techniques cannot substitute for a detailed clinical assessment. Physical examination, electrocardiography and chest x-rays remain the three main pillars of bedside diagnosis. Transthoracic echocardiography is undoubtedly the imaging technique which provides most information, and in many situations no additional studies are needed. Nevertheless, ultrasound imaging properties in adults are not as favorable as in children, and prior surgical procedures further impair image quality. Despite recent advances in ultrasound technologies such as harmonic or contrast imaging, other diagnostic procedures are sometimes required. Fortunately, transesophageal echocardiography and magnetic resonance imaging are easily performed in the adult, and do not require anaesthetic support, in contrast to pediatric patients. These techniques, together with nuclear cardiology and cardiac catheterization, complete the second tier of diagnostic techniques for congenital heart disease. To avoid unnecessary repetition of diagnostic procedures, the attending cardiologist should choose the sequence of diagnostic techniques carefully; although the information this yields is often redundant, it is also frequently complementary. This article aims to compare the diagnostic utility of different imaging techniques in adult patients with congenital heart disease, both with and without prior surgical repair.