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THE JOURNAL OF CARDIOVASCULAR SURGERY
Rivista di Chirurgia Cardiaca, Vascolare e Toracica
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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ORIGINAL ARTICLES VASCULAR SECTION
The Journal of Cardiovascular Surgery 2001 Ottobre;42(5):647-50
Early risk factors in acute type A aortic dissection: is there a predictor of preoperative mortality?
Godon P., Bonnefoy E. *, Desjeux G., Touboul P. *
From the Hôpital Militaire Desgenettes, Lyon, France
*Hôpital Cardiovasculaire Louis Pradel, Lyon, France
Background. To describe the preoperative clinical, echocardiographic and biological findings in patients with acute aortic dissection and attempt to specify high risk factors of preoperative mortality.
Methods. A retrospective, monocentric study of 148 patients admitted for acute type A aortic dissection. All patients underwent a clinical, echocardiographic and biological evaluation on admission. In 75 patients, we measured serum cardiac troponin I (cTnI).
Results. In hospital mortality was 25.9% and 15.6% presented with preoperative cardiac circulatory arrest (POCCA). Patients with POCCA were more likely than others to have hypotension (97±56 vs 144±24 mmHg, p<0.01) or shock (52% vs 3%, p<0.01) on admission. Pericardial effusion (65% vs 35%, p=0.01) and tamponade (61% vs 8%, p<0.01) were also significantly linked to POCCA but not the aortic ascendant diameter. Detection of cTnI was more frequent in patients with POCCA (24% vs 7%, p=0.051) and was found to be a good predictor of in hospital mortality (47% vs 14%, p<0.01).
Conclusions. For patients with acute type A aortic dissection, hypotension or shock on admission, pericardial effusion or tamponade, as well as cTnI detection, were the main predictors for POCCA and imply immediate surgery.