Eisenmenger's syndrome
| Eisenmenger syndrome | |
|---|---|
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| Schematic drawing showing the principles of Eisenmenger's syndrome | |
| Classification and external resources | |
| Specialty | medical genetics |
| ICD-10 | Q21.8 |
| ICD-9-CM | 745.4 (CDC/BPA 745.410) |
| DiseasesDB | 4143 |
| MedlinePlus | 007317 |
| eMedicine | article/154555 |
| MeSH | D004541 |
Eisenmenger's syndrome (or ES, Eisenmenger's reaction, Eisenmenger physiology, or tardive cyanosis) is defined as the process in which a long-standing left-to-right cardiac shunt caused by a congenital heart defect (typically by a ventricular septal defect, atrial septal defect, or less commonly, patent ductus arteriosus) causes pulmonary hypertension and eventual reversal of the shunt into a cyanotic right-to-left shunt. Because of the advent of fetal screening with echocardiography early in life, the incidence of heart defects progressing to Eisenmenger's has decreased.
Eisenmenger's syndrome in a pregnant mother can cause serious complications, though successful delivery has been reported. Maternal mortality ranges from 30% to 60%, and may be attributed to fainting spells, thromboembolism, hypovolemia, hemoptysis or preeclampsia. Most deaths occur either during or within the first weeks after delivery. Pregnant women with Eisenmenger syndrome should be hospitalized after the 20th week of pregnancy - or earlier if clinical deterioration occurs.
Eisenmenger syndrome was so named by Dr. Paul Wood after Dr. Victor Eisenmenger, who first described the condition in 1897.
Signs and symptoms of Eisenmenger syndrome include the following:
A number of congenital heart defects can cause Eisenmenger syndrome, including atrial septal defects, ventricular septal defects, patent ductus arteriosus, and more complex types of acyanotic heart disease.
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