Hyperhomocysteinemia is a medical condition characterized by an abnormally high level of total homocysteine (that is, including homocystine and homocysteine-cysteine disulfide) in the blood, conventionally described as above 15 μmol/L. [1]

2022年5月8日 · Hyperhomocysteinemia refers to the condition where there is greater than 15 micromol/L of homocysteine in the blood. This condition is present in a wide range of diseases, and in many cases, it is an independent risk factor for more serious medical conditions.

2018年9月18日 · High homocysteine levels usually indicate a deficiency in vitamin B-12 or folate. A normal level of homocysteine in the blood is less than 15 micromoles per liter (mcmol/L) of blood....

High homocysteine levels may mean you have a vitamin deficiency. Without treatment, elevated homocysteine increases your risks for dementia, heart disease and stroke. What is homocysteine? Homocysteine is an amino acid. Amino acids are chemicals in your blood that help create proteins.

2023年11月13日 · High, or elevated, homocysteine levels are known as hyperhomocysteinemia. This could indicate a person has a vitamin deficiency, as the body needs certain nutrients to break it down....

Laboratory Diagnosis of High Homocysteine Levels (Hyperhomocysteinemia) Hyperhomocysteinemia is diagnosed through a simple homocysteine blood test. The generally accepted normal range for total homocysteine levels in adults is less than 15 micromoles per liter (µmol/L). Moderate levels: 15-30 µmol/L; Intermediate levels: 30-100 µmol/L

Hyperhomocysteinemia - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version.

Hyperhomocysteinemia refers to above-normal concentrations of plasma/serum homocysteine.

2023年8月7日 · Hyperhomocysteinemia is an ailment in which blood levels of homocysteine are higher than the normal range. High levels of this amino acid are often linked to low levels of vitamin B6, vitamin B12, and/or folate.

2022年5月8日 · Homocysteine levels vary between men and women, with a normal range typically between 5 to 15 micromol/L. Hyperhomocysteinemia is when levels exceed 15 micromol/L. When homocysteine levels are greater than normal limits, it signifies a disruption in the metabolism of homocysteine.