The AngioVac Device: Understanding the Failures on the Road to Success

Berhane Worku1, Arash Salemi, Marcus D DʼAyala

  • 1From the *Department of Cardiothoracic Surgery, New York Methodist Hospital, Brooklyn, NY USA; †Department of Cardiothoracic Surgery, Weill Cornell Medical Center, New York Presbyterian Hospital, New York, NY USA; and ‡Division of Vascular Surgery, New York Methodist Hospital, Brooklyn, NY USA.

Insights

The AngioVac device effectively removes intact thrombus from the iliac, caval, and heart regions, offering a successful alternative to surgery. However, its efficacy is lower for pulmonary emboli, necessitating careful patient selection for optimal outcomes.

Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Medical Devices

Background:

  • Percutaneous thromboembolectomy often requires thrombus fragmentation and thrombolysis, increasing risks of bleeding and thromboembolic complications.
  • The AngioVac device provides a percutaneous venovenous bypass to aspirate intact thrombus, potentially mitigating these risks.

Purpose of the Study:

  • To review the literature on the AngioVac device.
  • To identify factors correlating with successful thrombus extraction using the AngioVac system.

Main Methods:

  • A literature search was conducted using the PubMed database for studies on the AngioVac device.
  • Twenty-three reports detailing 57 procedures in 56 patients were analyzed.

Main Results:

  • Complete thrombus removal was achieved in 75% of cases.
  • Success rates were high for iliocaval thrombus (87%) and right heart thrombus (82%).
  • Pulmonary emboli showed a significantly lower success rate (12.5%), with overall complications occurring in 12% of procedures.

Conclusions:

  • The AngioVac device is a viable alternative to surgical thrombectomy for iliocaval and intracardiac thrombus.
  • Patient selection is crucial for improving outcomes, particularly as pulmonary emboli appear less amenable to this technique.
  • Further research with larger patient cohorts is needed to solidify these findings.
Abstract

Related Concept Videos

Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
1.7K
Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
918
Node Analysis for AC Circuits01:14

Node Analysis for AC Circuits

Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
736
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
1.4K
Power System Three-Phase Short Circuits01:21

Power System Three-Phase Short Circuits

Determining the subtransient fault current in a power system involves representing transformers by their leakage reactances, transmission lines by their equivalent series reactances, and synchronous machines as constant voltage sources behind their subtransient reactances. In this analysis, certain elements are excluded, such as winding resistances, series resistances, shunt admittances, delta-Y phase shifts, armature resistance, saturation, saliency, non-rotating impedance loads, and small...
599
Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
742