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Author:  gmohan [ 11 Feb 2016 22:48 ]

Expert Rev Med Devices. 2016 Jan 25.
Manual aspiration thrombectomy devices use in coronary interventions in 2016.

Percutaneous coronary intervention is a highly effective therapy of acute myocardial infarction. Restoration of microcirculation is however often sub-optimal with negative impact on patient outcome. Distal thrombus embolization may contribute to this issue.

Simple manual aspiration thrombectomy catheters were developed with aim of thrombus extraction. There are several of these devices with very similar design. Thrombotic or atheromatous tissue is successfully retrieved in over 70% of patients.

The initial results of small, often single center studies have provided encouraging results.

Unfortunately, three further studies clearly demonstrated lack of any clinical benefit and routine use of manual aspiration thrombectomy cannot be recommended.

Small but statistically significant increase in stroke rate is the major safety issue.
Selective use in patients with large thrombus burden or suboptimal flow or perfusion is likely to continue and needs to be scientifically studied.

G Mohan.

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