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Bleeding Disorders

Vitamin K Deficiency Bleeding (Hemorrhagic Disease of the Newborn)

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What is vitamin K deficiency bleeding?

Vitamin K deficiency bleeding (VKDB) is a bleeding problem that occurs in a newborn during the first few days of life. VKDB was previously called hemorrhagic disease of the newborn.What causes vitamin K deficiency bleeding?

Babies are normally born with low levels of vitamin K, an essential factor in blood clotting. A deficiency in vitamin K is the main cause of VKDB.Who is affected by vitamin K deficiency bleeding?

Vitamin K deficiency may result in bleeding...What is vitamin K deficiency bleeding?

Vitamin K deficiency bleeding (VKDB) is a bleeding problem that occurs in a newborn during the first few days of life. VKDB was previously called hemorrhagic disease of the newborn.What causes vitamin...

Self-Monitoring of Blood Thinner May Halve Clot Risk

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But newer drugs may replace warfarin and the need for frequent blood tests, experts say

WEDNESDAY, Nov. 30 (HealthDay News) -- People taking the blood-thinning drug warfarin who monitor their own blood and adjust their dosage can reduce the risk of blood clots by half, British researchers report.

Warfarin (Coumadin, Jantoven) is taken to prevent potentially deadly clots in patients with conditions such as atrial fibrillation -- an abnormal heart rhythm -- or a mechanical heart valve. But if...

Deficiencies of Natural Anticoagulants, Protein C, Protein S, and Antithrombin

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Brea Lipe, MD; Deborah L. Ornstein, MDFrom Hematology/Oncology (B.L.) and Hemophilia and Thrombosis Center (D.L.O.), Dartmouth-Hitchcock Medical Center, Lebanon, NH; Departments of Medicine and Pathology, Dartmouth Medical School, Hanover, NH (D.L.O.). Correspondence to Deborah L. Ornstein, MD, Hemophilia & Thrombosis Center, Dartmouth-Hitchcock Medical Center, One Medical Center Drive, Lebanon, NH 03756....Brea...

Gene Variant May Raise Death Risk After Heart Bypass

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FRIDAY, Sept. 16 (HealthDay News) -- People who carry a certain genetic variant involved in blood clotting and inflammation have a lower five-year survival rate after coronary artery bypass surgery, researchers report.

The findings should be used to better treat and ensure the survival of these surgical patients over the long-term, said the research team from Duke University Medical Center in Durham, N.C.

"There are possibilities that we could apply this information someday to a...

Heart Disease May Pose Problems in Orthopedic Surgery Patients

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THURSDAY, Sept. 1 (HealthDay News) -- Patients with coronary artery disease are at increased risk for clotting and bleeding complications following orthopedic surgery, a new study finds.

Researchers analyzed data from 3,082 patients who had orthopedic surgery of the hip, knee and spine, and found that 5.8 percent had clotting complications and 5.4 percent had bleeding complications.

Coronary artery disease, cancer and peripheral artery disease were independent predictors of both clotting...