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Dr. Greuner's Answers
Heart failure can be from a variety of causes, but in general, in the US, is divided into to main categories - ischemic, and non-ischemic. Ischemic, which is the overwhelming majority, is due to coronary...Full Answer
The main benefit of minimally invasive surgery is that it allows patients to address conditions much earlier in the onset of disease. Watch cardiothoracic surgeon David Greuner, MD, describe how this...Full Answer
When choosing a hospital, especially for cardiac and bariatric procedures, you should choose a center where all of your doctors can communicate freely without referrals. Watch cardiothoracic surgeon...Full Answer
Robotic surgery is a branch of minimally invasive surgery where robotic instruments are used to conduct procedures with more precise dexterity and vision. Watch cardiothoracic surgeon David Greuner,...Full Answer
Varicose and spider veins can return after treatment; but they develop more slowly, and usually not in the same spot if they were treated successfully. In this video, cardiothoracic surgeon David G...Full Answer
Spider veins are treated with a variety of techniques based on the size and location of the veins; a common method is called injection sclerotherapy. Watch cardiothoracic surgeon David Greuner, MD,...Full Answer
Spider veins are usually caused by venous insufficiency; they are a symptom of veins deeper down in the leg or in the body backing up with blood. In this video, cardiothoracic surgeon David Greuner,...Full Answer