Publications by authors named "Marianne P Eronen"

2 Publications

  • Page 1 of 1

The outcome of patients with right atrial isomerism is poor.

Pediatr Cardiol 2013 Feb 12;34(2):302-7. Epub 2012 Aug 12.

Department of Health, The Social Insurance Institution of Finland, Hoylaamontie 1 aB PL 78, 00380 Helsinki, Finland.

Right-atrial isomerism (RAI) is a heterotaxy syndrome with disturbances of left-right axis development resulting in complex heart malformations and anomalies of the thoracic and abdominal organs. To study the outcome of RAI, all data from patients diagnosed with this syndrome at Helsinki University Hospital between January 1976 and December of 2010 were reviewed. The outcomes were studied for 32 patients (38 % girls). The overall survival was 22 % at a median follow-up time of 13.8 years (range 0.1-33). Extracardiac malformations, mostly asplenic, occurred in 91 % of patients. Cardiac defects included dextrocardia in 44 % and common atrioventricular valve in 100 % of patients. Ventriculoarterial discordance or double-outlet ventricle was seen in 56 and 44 % of patients, respectively. Total anomalous pulmonary venous drainage occurred in 75 % and partially anomalous venous drainage in 13 % of patients. Pulmonary outflow-tract obstruction was identified in 91 % of patients. Cardiac arrhythmias were noted in nine patients (28 %), two of them with atrioventricular block. Cardiovascular surgery was performed in 71 % patients (N = 25), seven patients were inoperable. Biventricular repair was not possible in any of the patients. During long-term follow-up there was no significant difference between the patients with total, normal, or partially anomalous pulmonary venous drainage (P = 0.5). In conclusion, RAI is one of the most severe forms of congenital cardiac diseases. The prognosis remains poor despite modern surgical techniques. When RAI is identified during pregnancy, prenatal counseling, termination, or planning for prompt cardiac treatment after the birth is necessary.
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http://dx.doi.org/10.1007/s00246-012-0445-yDOI Listing
February 2013

Outcome of left atrial isomerism at a single institution.

Pediatr Cardiol 2012 Apr 5;33(4):596-600. Epub 2012 Feb 5.

Department of Health, The Social Insurance Institution of Finland, Höyläämöntie 1 a B (PL 78), 00380 Helsinki, Finland.

Left atrial isomerism includes a complex spectrum of cardiac and extracardiac anomalies. The records of all patients with left isomerism born during the period of 1973-2010 and treated at the Children's Hospital, Helsinki were reviewed. The short- and long-term outcomes were studied. The review included 38 patients (50% females). The overall survival with left atrial isomerism was 63% during a median follow-up time of 16 years (range, 4-30 years). Extracardiac anomalies were noted in 14 (37%) of 38 cases. Cardiac defects included dextrocardia in 26%, partially or totally anomalous pulmonary venous return in 29%, common atrium in 50%, atrioventriculoseptal defect in 73%, single ventricle in 40%, ventriculoseptal defect without atrioventricular defect in 11%, transposition in 21%, double outlet of the right ventricle in 26%, pulmonary stenosis or atresia in 61%, and left ventricular outflow obstruction in 24% of the cases. Cardiac arrhythmias were presented in 71% and pacemaker treatment in 29% of the cases. Of the 38 patients, 33 had cardiac surgery. Simple palliative methods were used in 11 cases, single-ventricle palliation in 12 cases, and operation with a biventricular track in 10 cases. In the groups that had surgery, 3 of 11 patients, 3 of 12 patients, and 3 of 10 patients died, respectively. In this review, 14 deaths occurred, associated with extracardiac anomalies in five cases and with cardiac arrhythmia in four cases. Five postoperative deaths occurred. At this writing, all three patients who had heart transplantation are alive. Complicated heart defects associated with severe arrhythmias and extracardiac anomalies contribute to a high mortality rate with left isomerism. Cardiac transplantation was considered a good option for selected patients.
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http://dx.doi.org/10.1007/s00246-012-0184-0DOI Listing
April 2012
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