Neurocritical Care

, Volume 21, Issue 2, pp 207–210 | Cite as

Risk of Thromboembolic Events with Endovascular Cooling Catheters in Patients with Subarachnoid Hemorrhage

  • Achim Müller
  • Andreas Lorenz
  • Burkhardt Seifert
  • Emanuela Keller
Original Article

Abstract

Introduction

Endovascular cooling is currently used for hypothermia treatment and fever reduction therapy. At the same time, little is known about the risks associated to endovascular cooling in patients treated with an endovascular cooling catheter (ECC).

Methods

A retrospective chart review of 122 patients with subarachnoid hemorrhage (SAH) treated with an ECC either for therapeutic hypothermia or for fever reduction was performed. ECC-associated thromboembolic events (TEE) such as pulmonary embolism and thrombosis were recorded and compared between patients treated with an ECC and patients treated only with a central venous line (CVL). Additionally, various laboratory parameters were recorded to determine if they might be related to the frequency of TEE’s.

Results

43 Patients were treated with an ECC and 79 with a CVL. Patients in the ECC group suffered more frequently from TEE (37 %) than those with a CVL (5 %). None of the laboratory parameters was associated with an increased TEE risk. The treatment with an ECC alone was a risk factor for a TEE, independent from age as well as from Hunt and Hess grade.

Conclusion

Our data show that the treatment with ECC increases the risk of TEE in SAH patients. Therefore, especially when considered for fever reduction, non-invasive devices for surface cooling should be the first choice.

Keywords

Therapeutic hypothermia Subarachnoid hemorrhage Endovascular cooling Endovascular cooling catheter Thrombosis Pulmonary embolism 

Notes

Conflict of interest

Achim Müller, Andreas Lorenz, Burkhardt Seifert and Emanuela Keller declare that they have no conflict of interest.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Achim Müller
    • 1
  • Andreas Lorenz
    • 1
  • Burkhardt Seifert
    • 2
  • Emanuela Keller
    • 1
  1. 1.Neurocritical Care Unit, Department of NeurosurgeryUniversity Hospital ZurichZurichSwitzerland
  2. 2.Division of BiostatisticsUniversity of ZurichZurichSwitzerland

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