Complications of intra-aortic balloon pump use: does the final position of the IABP tip matter?

We report results of a retrospective review of intra-aortic balloon pump (IABP) use in two Australasian centres and evaluate the effect of final IABP tip position on outcome. Indications for counterpulsation, patient demographics and in-hospital outcomes and complications were retrospectively collec...

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Bibliographic Details
Published in:Anaesthesia and intensive care 2015-01, Vol.43 (1), p.66-73
Main Authors: Siriwardena, M, Pilbrow, A, Frampton, C, MacDonald, S M, Wilkins, G T, Richards, A M
Format: Article
Language:English
Subjects:
Aged
Australia
Equipment Failure - statistics & numerical data
Female
Hemorrhage - etiology
Hospital Mortality
Humans
Intra-Aortic Balloon Pumping - adverse effects
Intra-Aortic Balloon Pumping - instrumentation
Ischemia - etiology
Kidney Diseases - etiology
Male
Odds Ratio
Radiography, Thoracic - methods
Retrospective Studies
Risk Factors
Stroke - etiology
Treatment Outcome
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Summary:We report results of a retrospective review of intra-aortic balloon pump (IABP) use in two Australasian centres and evaluate the effect of final IABP tip position on outcome. Indications for counterpulsation, patient demographics and in-hospital outcomes and complications were retrospectively collected. The chest X-ray reports provided the 'final' position of the IABP tip. The position was defined as acceptable (tip was seen just below the aortic arch, at T2-T5 vertebrae), malpositioned (tip > 5 cm below aortic arch or at T5-T6) or severely malpositioned (tip > 10 cm below aortic arch or at T7 or below).?Major complications were considered a composite of death secondary to IABP, major limb ischaemia, major IABP malfunction, balloon rupture or haemorrhage, severe renal dysfunction (rise in creatinine > 200 µmol/l), stroke and mesenteric ischaemia. Six hundred and forty-five cases were reviewed. The overall major complication rate was 26.2% and 24.3%. Severe renal impairment was the most common complication (16.6%), and second, severe catheter dysfunction (5.4%). ?Final IABP position was acceptable in 39.9%, malpositioned in 11.1%,?severely malpositioned in 6.7% and unavailable for 42.4%. Logistic regression analysis showed IABP tip malposition (compared with satisfactory position odds ratio=3.9 [95% confidence interval=2.0-7.6, P < 0.001] and severely malpositioned odds ratio=13.0 [95% confidence interval 5.3-31.7, P < 0.001]) was associated with major complications more than the presence of shock (odds ratio=3.8, confidence interval=2.1-6.8 P < 0.001). The acceptance of a less-than-ideal final position was highly predictive of morbidity directly related to IABP device therapy.
ISSN:0310-057X
1448-0271
DOI:10.1177/0310057x1504300110