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Rivista di Angiologia
Official Journal of the , the International Union of Phlebology and the
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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International Angiology 2004 Marzo;23(1):47-53
Ruptured abdominal aortic aneurysm. Is it possible to predict outcome?
Calderwood R. 1, Halka T. 1, Haji-Michael P. 2, Welch M. 1
1 Vascular Surgery Unit, Wythenshawe Hospital, Manchester, UK
2 Acute Block Intensive Care Unit, Wythenshawe Hospital, Manchester, UK
Aim. Mortality after ruptured abdominal aortic aneurysm (rAAA) remains high. Hardman et al. suggested that the following factors predict perioperative death: age >76 years, loss of consciousness, ECG confirmed ischemia, creatinine over 180 µmol/l and hemoglobin below 9 g/dl. A score of 3 or more had 100% mortality. A retrospective study was performed to validate this and determine if modification is required.
Methods. Retrospective analysis of the 5 Hardman Index factors along with preoperative systolic blood pressure at presentation, after resuscitation and during surgery was performed.
Results. A total of 137 cases were reviewed with overall mortality of 56.2%. Of Hardman’s criteria: age, ECG ischemic changes, creatinine and hemoglobin levels were significant in predicting outcome (p=0.0007, 0.0152, 0.0001 and 0.0213, respectively). Loss of consciousness was not significant (p=0.9054). Hardman scores of 0, 1, 2, 3, and 4 scored mortality percentages of 40.4%, 46.4%, 76.7%, 91.7% and 100%, respectively. Systolic blood pressure was significantly predictive at 100 mmHg and 120 mmHg on presentation (p=0.0008 and 0.0017, respectively) and 100 mmHg and 120 mmHg after resuscitation (p=0.0001 and 0.0510, respectively). A modified score replaced loss of consciousness with systolic blood pressure below 100 mmHg with scores of 0, 1, 2, 3, and 4 had mortality of 22.2%, 46.8%, 66.7%, 83.9% and 100%, respectively.
Conclusion. Our data supports the effectiveness of the Hardman Index in predicting successful surgery. However loss of consciousness was not a significant predictor. We proposed review of predictive indices, but resources should be channelled into screening to prevent rAAA.