Key result
Duplex ultrasound can identify the left internal mammary artery during anterior pericardiocentesis to avoid trauma, severe bleeding, or tamponade.
Duplex ultrasound can be used to identify the left internal mammary artery during anterior pericardiocentesis, helping to avoid severe bleeding, tamponade, and lung injury.
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May support safer anterior pericardiocentesis via LIMA identification; hypothesis-generating and requires prospective validation.
In patients with pericardial effusions who require anterior pericardiocentesis, it is important to avoid trauma to the left internal mammary artery. Such trauma could result in severe bleeding or tamponade. This article describes how the left internal mammary artery may be identified by duplex ultrasound, and therefore avoided. It is also important to ensure that the needle stick is just lateral to the artery, to avoid hitting the left lung.
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Kronzon et al. (2003) studied Pericardial effusions requiring anterior pericardiocentesis. Duplex ultrasound was evaluated. Duplex ultrasound can identify the left internal mammary artery during anterior pericardiocentesis to avoid trauma, severe bleeding, or tamponade.
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