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坏死性小肠结肠炎(NEC)术后接受长期全肠外营养(TPN)的早产儿获得性锌缺乏症。

Acquired Zinc Deficiency in Preterm Infant Post-Surgery for Necrotizing Enterocolitis (NEC) on Prolonged Total Parenteral Nutrition (TPN).

作者信息

Al Qurashi Mansour, Mohammad Hadeel, Aga Syed Sameer, Mustafa Ahmed, Alallah Jubara, Al Hindi Mohammed, Al Harbi Mohammed, Hasosah Mohammed

机构信息

Department of Pediatrics, Ministry of National Guard Health Affairs (MNGHA), King Saud bin Abdul Aziz University for Health Sciences (KSAU-HS), King Abdulaziz Medical City, Jeddah 21423, Saudi Arabia.

King Abdullah International Medical Research Center (KAIMRC), King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Jeddah 21423, Saudi Arabia.

出版信息

Pediatr Rep. 2024 Jun 26;16(3):551-557. doi: 10.3390/pediatric16030046.

Abstract

Zinc (Zn) is a vital trace element that plays a pivotal role in protein synthesis, cellular growth, and differentiation and is involved as a cofactor of metalloenzymes, performing a wide variety of metabolic, immune, and synthesis roles. Zn is required at all stages of an infant's and child's development, and severe Zn deficiency has been reported to lead to slower physical, cognitive, and sexual growth. Preterm neonates are at a higher risk of developing zinc deficiency for a variety of reasons, including low Zn intake from enteral feeds containing breast milk, relative malabsorption due to immaturity of the gastrointestinal tract with limited absorptive capacity, increased urinary loss of zinc, and increased demand during the early developmental stages. Moreover, premature infants are at risk of gastrointestinal diseases like necrotizing enterocolitis (NEC), which can limit absorption capacity and potentially lead to malabsorption. TPN is frequently used in preterm infants to provide them with sufficient nutrients and calories. However, it has its own complications, including cholestasis, especially if used for prolonged periods. In this case report, we are presenting the case of a male preterm infant who was delivered by caesarean section at 26 weeks' gestation. The baby developed an intestinal perforation due to NEC, for which he underwent surgery for resection of the necrotic bowel and the creation of a high ileal stoma and was put on prolonged total parenteral nutrition (TPN), which led to the development of zinc deficiency.

摘要

锌(Zn)是一种重要的微量元素,在蛋白质合成、细胞生长和分化过程中发挥着关键作用,作为金属酶的辅助因子参与其中,执行多种代谢、免疫和合成功能。婴儿和儿童发育的各个阶段都需要锌,据报道,严重缺锌会导致身体、认知和性发育迟缓。由于多种原因,早产儿患锌缺乏症的风险更高,包括从含母乳的肠内喂养中锌摄入量低、由于胃肠道不成熟且吸收能力有限导致的相对吸收不良、锌的尿流失增加以及早期发育阶段需求增加。此外,早产儿有患坏死性小肠结肠炎(NEC)等胃肠道疾病的风险,这可能会限制吸收能力并潜在导致吸收不良。全胃肠外营养(TPN)常用于早产儿,为他们提供足够的营养和热量。然而,它有自身的并发症,包括胆汁淤积,尤其是长期使用时。在本病例报告中,我们介绍了一名男性早产儿的病例,该婴儿在妊娠26周时通过剖宫产分娩。由于NEC,婴儿出现肠穿孔,为此他接受了坏死肠段切除和高位回肠造口术,并接受了长期的全胃肠外营养(TPN),这导致了锌缺乏症的发生。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce98/11270164/ccfb329f3ad7/pediatrrep-16-00046-g001.jpg

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