After spending $44 billion on stock buybacks over the past four quarters, Apple's stock has risen 29.2 percent or $129.28, a contribution that moved the company's market cap from $392 billion a year ago to $492 billion today, even as the company removed 80 million shares from circulation.
The typical time frame where blood clots in your veins, DVT's, are at the highest risk are the first 3-5 days after surgery. This begins at the time you begin your surgery until you are more mobile afterwards. There are many measures that your doctors will take to avoid and minimize these risks.
In some cases, anti-clotting drugs such as warfarin (Coumadin, Jantoven, Marfarin) are given as treatment for a period of six to 12 months after the blood clot. However, two years after stopping the warfarin, 15% to 20% of patients have a repeat clot. While the anti-clotting treatment can be extended beyond 6-12 months, it carries a risk of bleeding. While on the drugs, called anticoagulant therapy, patients must also get frequent blood tests to see if the dose is correct.