快速全血腺三酸盐分泌测试可用于排除血小板密集颗粒缺乏症
Minka Zivkovic1, Roger E G Schutgens2, Vossa van der Vegte1
1Center for Benign Haematology, Thrombosis and Haemostasis, Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Circulatory Health Research Center, University Medical Center Utrecht, Utrecht, the Netherlands.
Journal of thrombosis and haemostasis : JTH
|February 12, 2025
概括
一个新的全血快速腺三酸盐 (ATP) 分泌测试显示出对诊断三角洲储存池疾病 (δ-SPD) 的希望. 这种测试可以有效地排除在患有初级静血缺陷的患者中 δ-SPD.
科学领域:
- 血液学 血液学 血液学
- 血小板功能障碍 血小板功能障碍
- 诊断测试开发 诊断测试开发
背景情况:
- 三角体储存池疾病 (δ-SPD) 是一种罕见的血小板功能障碍,由于密集颗粒缺乏或分泌受损而导致出血.
- 目前对d-SPD的诊断方法在可用性和标准化方面有限,这阻碍了准确的流行率评估.
- 迫切需要一种快速且易于使用的 δ-SPD 诊断测试.
研究的目的:
- 评估一项新的全血腺三酸盐 (ATP) 分泌测试对d-SPD的诊断效用.
- 为了确定这个快速测试能否区分 δ-SPD 与其他血小板功能障碍.
主要方法:
- 在50名健康对照组,22名非SPD患者和25名 δ-SPD患者中,在PAR-1激活 (TRAP-6) 刺激后,测量了全血中的腺三酸盐 (ATP) 分泌量.
- 用C统计,灵敏度,特异性,概率比率 (LLRs) 和预测值 (PVs) 来评估诊断性能.
主要成果:
- 与健康对照组和非SPD患者相比,d-SPD患者的全血ATP分泌量显著降低 (P < .0001).
- 快速测试显示了 δ-SPD 和非SPD 患者之间的良好的区别 (C-统计 0.88).
- 在一个特定的切线时,该测试实现了对 δ-SPD 的100%灵敏度和64%特异性,负预测值为100%.
结论:
- 快速全血ATP分泌测试是排除 δ-SPD的宝贵工具.
- 这种测试可以帮助诊断出患有初级静血缺陷的患者.
- 该测试为 δ-SPD提供了更容易获得的诊断选择.
相关概念视频
Myasthenia Gravis: Diagnostic Tests
Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Serum Laboratory Studies, Stool Test, Breath Test
Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Acute Coronary Syndrome III: Diagnostic Studies
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...


