遠心分離した血液サンプルにおける生化学分析は,異なる時間帯と貯蔵温度における被験者の年齢によって影響を受ける可能性があります
Mahsa Yazdanbakhsh1, Mohammad Reza Deyhim2, Hanieh Jafary1
1Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
Asian journal of transfusion science
|August 21, 2025
まとめ
高齢者と若者の血液の採取方法は異なります. 高齢者はグルコースと尿素が高く,若者はマグネシウムと酸化窒素が高く,年齢によるサンプル安定性の違いを示した.
科学分野:
- 臨床生化学
- ゲロントロジー
- 研究室医療
背景:
- 患者の年齢に関係なく,標準の血液サンプル準備プロトコルが普遍的に適用されます.
- 年配者の血液は,若い人の血液よりも,調製条件に敏感かもしれません.
研究 の 目的:
- 高齢者および若い被験者の血清サンプルにおける生化学分析剤の保存期間と温度の影響を調査する.
- 年齢が様々な保存条件下での血液サンプルの安定性に影響するかどうかを判断する.
主な方法:
- 30人の健康な参加者 (15人若者,15人高齢者) から血液サンプルを採取した.
- 異なる時間 (2時間,24時間) と温度 (4°C,25°C,-20°C) で保存された血清サンプル.
- 自動分析器,商用キット,グリース反応剤を用いて生化学分析した.
主要な成果:
- 乳酸脱水素酵素の濃度は,若年および高齢の被験者において,それぞれ20~24°Cおよび4°Cで2時間および24時間の潜伏期間を経て,有意な変化を示した.
- 年配の参加者は,より若い参加者と比較して,ベースラインと24時間のグルコースと尿素濃度が高かった.
- 年少の参加者は,高齢の参加者よりも,基値と24時間のマグネシウムと窒素酸化物のレベルが高くなった.
結論:
- 年齢は血液サンプルにおける特定の生化学分析剤の安定性に大きく影響する.
- 貯蔵期間と温度は,若者よりも高齢者に対して分析剤の濃度に影響します.
- 正確な検査診断のために,年齢に特化した血液サンプル準備プロトコルが必要になる可能性があります.
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