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[Bidirectional Glenn: outcomes and risk factor analysis in a 5 years' experience]
Verónica Becerra1, Guillermo Moreno, María Althabe
1Unidad de Cuidados Intensivos Cardiovasculares, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Buenos Aires, Argentina.
Archivos De Cardiologia De Mexico
|March 5, 2013
Summary
The bidirectional Glenn shunt surgery for single ventricle patients had a low overall mortality rate of 3.9%. However, the study found high morbidity, with no independent risk factors identified for mortality or complications.
Area of Science:
- Pediatric Cardiac Surgery
- Congenital Heart Disease Management
- Palliative Surgical Procedures
Background:
- The bidirectional Glenn shunt is a key palliative procedure for single ventricle physiology.
- While generally safe, understanding specific risk factors for morbimortality is crucial for improving patient outcomes.
- Previous studies have identified several potential risk factors associated with this surgery.
Purpose of the Study:
- To report surgical outcomes of the bidirectional Glenn shunt procedure.
- To identify mortality risk factors in a specific patient population undergoing this palliative surgery.
- To evaluate the relationship between patient characteristics and surgical outcomes.
Main Methods:
- A retrospective analysis of 101 patients undergoing bidirectional Glenn shunt surgery between 2005 and 2009.
- Evaluation of patient demographics (age, weight), surgical history, procedure type, and postoperative status.
- Uni and multivariate analyses were performed to identify risk factors for mortality and prolonged hospitalization.
Main Results:
- A total of 101 patients were analyzed, with 87 undergoing bidirectional Glenn shunt.
- Overall mortality was 3.9%, with no statistically significant association found between age, weight, pulmonary hypertension, bypass time, or associated procedures and mortality/morbidity.
- Thirty-five percent of patients experienced complications, indicating high morbidity despite low mortality.
Conclusions:
- The mortality rate for bidirectional Glenn shunt surgery in this cohort is comparable to other centers.
- Morbidity remains a significant concern in patients undergoing this palliative procedure.
- No independent risk factors for morbidity or mortality were identified in this study population.
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