在有大量月经出血的青少年中评估罕见的出血障碍
Ruchika Sharma1, Victoria Johnson2, Amy Pan3
1Division of Hematology/Oncology/BMT, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
Haemophilia : the official journal of the World Federation of Hemophilia
|February 22, 2024
概括
基因检测在超过一半的患有严重月经出血 (HMB) 的青少年中发现了罕见的出血障碍变体. 这一发现可能会改善HMB患者无法解释出血的诊断和向治疗.
科学领域:
- 血液学 血液学 血液学
- 遗传学 遗传学 是一个
- 生殖医学 生殖医学
背景情况:
- 许多患有大量月经出血 (HMB) 的患者缺乏确诊的出血障碍,导致次优,非特异性治疗.
- 目前用于纤维溶解和血小板功能缺陷的功能测试通常不可靠或不可用.
研究的目的:
- 调查与HMB.青少年罕见出血障碍相关的遗传缺陷的患病率.
- 在这个患者群体中表征凝血和纤维解变化.
主要方法:
- 进行了一项前性观察性队列研究.
- 使用了下一代测序和全球凝血/纤维解析试验.
- 功能性测试被用来验证新的遗传变异.
主要成果:
- 在研究的17名患者中,大约有59%的患者发现了基因变异.
- 血生成试验显示没有显著的变化.
- 在23%的患者中观察到纤维解质增加的趋势.
结论:
- 该研究为诊断HMB和不明原因出血提供了一个模型,帮助基因型-表型相关性.
- 结果可以指导有针对性的治疗策略,并为未来的诊断算法提供信息.
- 进一步的研究可以改善HMB患者的风险分层和健康结果.
相关概念视频
Disorders of Hemostasis
906
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
906
Esophageal Varices-II: Clinical Features and Management
67
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
67
Disorders of Erythrocytes
937
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
937
Special considerations while measuring pulse
579
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
579
Blood Pressure Imbalances and Circulatory Shock
774
Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
774


