PMID- 26040254 OWN - NLM STAT- MEDLINE DCOM- 20160902 LR - 20151120 IS - 1432-086X (Electronic) IS - 0174-1551 (Linking) VI - 38 IP - 6 DP - 2015 Dec TI - The Impact of Aortic Occlusion Balloon on Mortality After Endovascular Repair of Ruptured Abdominal Aortic Aneurysms: A Meta-analysis and Meta-regression Analysis. PG - 1425-37 LID - 10.1007/s00270-015-1132-1 [doi] AB - INTRODUCTION: We aimed to investigate whether the use of aortic occlusion balloon (AOB) has an impact on mortality of patients undergoing endovascular repair of ruptured abdominal aortic aneurysms (RAAAs). METHODS: A meta-analysis of the English-language literature was undertaken through February 2013. Articles reporting data on outcome after endovascular repair of RAAAs were identified and information regarding the use of AOB was sought. RESULTS: Included in this meta-analysis were 39 eligible studies reporting 1277 patients. The pooled perioperative mortality was 21.6% (95% CI 18.1-25.1%). There was significant within-study heterogeneity (I(2) 50.2%, P < 0.001). A total of 200 patients required AOB with an estimated pooled proportion of 14.1% (8.9-19.3%). Individual random-effects meta-regression investigating the effect of AOB and other risk factors on mortality revealed a significant linear association of hemodynamic instability, bifurcated endograft approach, and primary conversion to open repair with mortality and a nonlinear (second degree polynomial) association of AOB with mortality. On multivariable meta-regression models, both hemodynamic instability and AOB were found to be statistically significant, independent predictors of mortality. In particular, there was a statistically significant negative correlation between AOB and mortality and a positive effect of hemodynamic instability on mortality. In practical terms, mortality was significantly higher in studies with a higher proportion of hemodynamically unstable patients and lower in studies with a higher rate of AOB use. CONCLUSION: This study provides meta-analytical evidence that the use of an AOB in unstable RAAA patients undergoing endovascular repair may improve the results. FAU - Karkos, Christos D AU - Karkos CD AD - 5th Department of Surgery, Medical School, Aristotle University of Thessaloniki, Hippocratio Hospital, Konstantinoupoleos 49, 546 42, Thessaloniki, Greece. ckarkos@hotmail.com. FAU - Papadimitriou, Christina T AU - Papadimitriou CT AD - 5th Department of Surgery, Medical School, Aristotle University of Thessaloniki, Hippocratio Hospital, Konstantinoupoleos 49, 546 42, Thessaloniki, Greece. FAU - Chatzivasileiadis, Theodoros N AU - Chatzivasileiadis TN AD - Institute for Environmental Studies, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands. FAU - Kapsali, Nikoletta S AU - Kapsali NS AD - Health Economist/Statistical Programmer, Erasmus Universiteit Rotterdam, Rotterdam, The Netherlands. FAU - Kalogirou, Thomas E AU - Kalogirou TE AD - 5th Department of Surgery, Medical School, Aristotle University of Thessaloniki, Hippocratio Hospital, Konstantinoupoleos 49, 546 42, Thessaloniki, Greece. FAU - Giagtzidis, Ioakeim T AU - Giagtzidis IT AD - 5th Department of Surgery, Medical School, Aristotle University of Thessaloniki, Hippocratio Hospital, Konstantinoupoleos 49, 546 42, Thessaloniki, Greece. FAU - Papazoglou, Konstantinos O AU - Papazoglou KO AD - 5th Department of Surgery, Medical School, Aristotle University of Thessaloniki, Hippocratio Hospital, Konstantinoupoleos 49, 546 42, Thessaloniki, Greece. LA - eng PT - Journal Article PT - Meta-Analysis DEP - 20150604 PL - United States TA - Cardiovasc Intervent Radiol JT - Cardiovascular and interventional radiology JID - 8003538 SB - IM MH - Aortic Aneurysm, Abdominal/*therapy MH - Aortic Rupture/*therapy MH - *Balloon Occlusion MH - *Endovascular Procedures MH - Humans MH - Risk Factors MH - Treatment Outcome OTO - NOTNLM OT - Abdominal aortic aneurysms (AAA) OT - Acute aortic syndrome OT - Aorta OT - Arterial intervention OT - Endovascular aneurysm OT - Repair/endovascular aortic repair (EVAR) EDAT- 2015/06/05 06:00 MHDA- 2016/09/03 06:00 CRDT- 2015/06/05 06:00 PHST- 2014/11/15 00:00 [received] PHST- 2015/04/15 00:00 [accepted] PHST- 2015/06/05 06:00 [entrez] PHST- 2015/06/05 06:00 [pubmed] PHST- 2016/09/03 06:00 [medline] AID - 10.1007/s00270-015-1132-1 [pii] AID - 10.1007/s00270-015-1132-1 [doi] PST - ppublish SO - Cardiovasc Intervent Radiol. 2015 Dec;38(6):1425-37. doi: 10.1007/s00270-015-1132-1. Epub 2015 Jun 4.