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備孕手冊

新生兒為什么要采“足跟血”?

2021-01-29 10:26:03

寶寶出生才幾天,就被護士抱走采集“足跟血”去了。父母們心里還挺忐忑:針扎下去寶寶會不會疼?采集足跟血的作用是什么呢?不采可不可以?








為什么新生兒要采集“足跟血”?











隨著科學技術的發展,可以通過對新生兒血液中相關指標的化驗檢測。新生兒遺傳代謝性疾病篩查是早期發現遺傳代謝性疾病的有效方法,可以早期對危及生命的一些先天性、遺傳性疾病進行群體篩查,并進行早期診斷和治療,避免因腦、肝、腎等損害影響寶寶生長發育,導致體格生長落后、智力障礙、甚至死亡。因此,父母一定要積極配合醫院按照篩查程序進行足跟血篩查。目前青島市免費篩查的遺傳代謝性疾病有四種:先天性甲狀腺功能減低癥、苯丙酮尿癥、先天性腎上腺皮質增生癥和葡萄糖-6-磷酸脫氫酶缺乏癥。

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沒有家族史的寶寶需要查嗎?











沒有家族史的寶寶也是有必要查的。雖然父母看起來都很健康,但也可能攜帶某些致病基因,生育患有遺傳代謝病的寶寶。通過新生兒遺傳代謝病篩查,有病的寶寶就能被早期發現,早期接受診斷和治療。大部分患有遺傳代謝病的寶寶出生時看起來是正常的,但在出生3~6個月后會逐漸出現一些異常表現。如果這時才被診斷就錯過了治療的最佳時機,而且會給家庭帶來很大的經濟和精神負擔。因此,不能以有沒有家族史作為是否需要做新生兒疾病篩查的標準。

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足跟血什么時候采?怎么采?











足跟血采血時間通常在寶寶出生2—7天內、新生兒充分哺乳后,對于因各種原因(早產兒,低體重兒,提前出院者等)沒有采血者,采血時間最遲不宜超過出生后20天。

新生兒疾病篩查是通過分娩醫院采集新生兒足跟血(將血滴在特殊紙片上,再將血片送至新生兒疾病篩查中心進行檢測),篩查結果家長可通過條形碼進行網上查詢,如果結果異常,工作人員會打電話通知父母,對寶寶進行血樣的二次采集。如果復篩結果異常,工作人員會通知兒童父母盡快帶寶寶去醫院進行確診檢測。

有些家長可能會問:足跟血可以用其它部位的血代替嗎?實際上,篩查這些疾病并不是一定要用足跟血,身體其他部位的血液也可以。選擇進行足跟部采血是因為新生兒足部供血相對比較豐富,容易采集到足夠檢測的血液量,且足跟血采血操作比手部容易。另外,新生兒足跟部的痛覺相對不敏感,選擇這里采血,可以最大程度地減少痛覺,所以家長們也不必太擔心!



來源:青島衛生健康


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