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Updated: Aug 7, 2026

The Intra-Aortic Balloon Pump
Published on: February 5, 2021
In which patients should sheathless IABP be used? An analysis of vascular complications in 1211 cases
Hasan Basri Erdogan1, Deniz Goksedef, Vedat Erentug
1Department of Cardiovascular Surgery, Kosuyolu Heart and Research Hospital, 34865 Kartal, Istanbul, Turkey.
Insights
The sheathless intraaortic balloon pump (IABP) insertion technique significantly reduces limb ischemia complications, especially in patients with peripheral arterial disease (PAD) and diabetes mellitus (DM). Preferring the sheathless method is crucial for patient safety.
Area of Science:
- Cardiovascular Surgery
- Medical Devices
- Vascular Complications
Background:
- Intraaortic balloon pump (IABP) insertion is a critical procedure for hemodynamic support.
- Vascular complications, particularly limb ischemia, are significant concerns following IABP placement.
- The choice of insertion technique, sheathed versus sheathless, may influence complication rates.
Purpose of the Study:
- To compare the outcomes of sheathed and sheathless IABP insertion techniques.
- To determine and compare the rates of vascular complications, specifically limb ischemia, between the two techniques.
Main Methods:
- Retrospective analysis of 1211 patients undergoing IABP insertion over 19 years.
- Evaluation of 305 sheathless (Group I) and 906 sheathed (Group II) IABP catheters.
- Univariate analysis, logistic regression, and relative risk (RR) calculations to assess the impact of the introducer sheath.
Main Results:
- Overall limb ischemia incidence was 10.9%.
- The sheathless technique (Group I) showed a lower ischemic complication rate (5.2%) compared to the sheathed technique (Group II) (12.4%), despite a higher prevalence of peripheral arterial disease (PAD) in Group I.
- Peripheral arterial disease (PAD) and diabetes mellitus (DM) were identified as significant risk factors for IABP-related ischemia.
Conclusions:
- PAD, DM, and the sheathed insertion technique are major risk factors for limb ischemia during IABP use.
- The use of an introducer sheath is the only modifiable risk factor among those identified.
- The sheathless IABP insertion method is recommended for patients with PAD and DM to minimize the risk of limb ischemia.
Objective:
The purpose of our study is to compare the results of the sheathed and sheathless techniques for intraaortic balloon pump (IABP) insertion and to determine the rate of vascular complications in both conditions.
Methods:
A total of 1211 patients were examined representing a period of 19 years. Three hundred five sheathless (Group I) and 906 sheathed (Group II) IABP catheters were evaluated retrospectively. Data were analyzed with univariate analysis and logistic regression. Relative risk (RR) values were calculated in order to examine the effect of sheath.
Results:
Limb ischemia was seen in 129 patients (10.9%). Although the incidence of peripheral arterial disease (PAD) was relatively higher in Group I (11.1% vs. 3.6%), the ischemic complication rate was lower in Group I (5.2% vs. 12.4%; p = 0.001). Presence of PAD (p = 0.001) and diabetes mellitus (DM) (p = 0.007) was found to be the risk factors of ischemia related to IABP use in all cases. In logistic regression analysis, presence of PAD, DM, and sheathed method was found to be the risk factors of ischemia. The patients who had all of these risk factors suffered from limb ischemia (RR value: 35.17).
Conclusion:
PAD, DM, and sheathed insertion technique are the major risk factors of ischemia during IABP use. Among all these risk factors, the only modifiable risk factor is the use of introducer sheath. With the presence of PAD and DM, the choice of sheathed method would increase the probability of ischemia almost 35 times. Sheathless method of insertion should be preferred in patients with DM and PAD.
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