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Infections in Infants with SCID: Isolation, Infection Screening, and Prophylaxis in PIDTC Centers
Journal of Clinical Immunology ( IF 7.2 ) Pub Date : 2020-10-02 , DOI: 10.1007/s10875-020-00865-9
Morna J Dorsey 1 , Nicola A M Wright 2 , Natalia S Chaimowitz 3 , Blachy J Dávila Saldaña 4, 5 , Holly Miller 6 , Michael D Keller 7 , Monica S Thakar 8 , Ami J Shah 9 , Rolla Abu-Arja 10 , Jeffrey Andolina 11 , Victor Aquino 12 , J L Barnum 13 , Jeffrey J Bednarski 14 , Monica Bhatia 15 , Francisco A Bonilla 16 , Manish J Butte 17 , Nancy J Bunin 18 , Sharat Chandra 19, 20 , Sonali Chaudhury 21 , Karin Chen 22 , Hey Chong 13 , Geoffrey D E Cuvelier 23 , Jignesh Dalal 24 , Magee L DeFelice 25 , Kenneth B DeSantes 26 , Lisa R Forbes 27 , Alfred Gillio 28 , Fred Goldman 29 , Avni Y Joshi 30 , Neena Kapoor 31 , Alan P Knutsen 32 , Lisa Kobrynski 33 , Jay A Lieberman 34 , Jennifer W Leiding 35, 36 , Benjamin Oshrine 36 , Kiran P Patel 37 , Susan Prockop 38 , Troy C Quigg 39 , Ralph Quinones 40 , Kirk R Schultz 41 , Christine Seroogy 42 , David Shyr 43, 44 , Subhadra Siegel 45 , Angela R Smith 46 , Troy R Torgerson 8 , Mark T Vander Lugt 47 , Lolie C Yu 48 , Morton J Cowan 1 , Rebecca H Buckley 49 , Christopher C Dvorak 1 , Linda M Griffith 50 , Elie Haddad 51 , Donald B Kohn 52 , Brent Logan 53 , Luigi D Notarangelo 54 , Sung-Yun Pai 55, 56 , Jennifer Puck 1 , Michael A Pulsipher 31 , Jennifer Heimall 57
Affiliation  

Purpose

The Primary Immune Deficiency Treatment Consortium (PIDTC) enrolled children with severe combined immunodeficiency (SCID) in a prospective natural history study of hematopoietic stem cell transplant (HSCT) outcomes over the last decade. Despite newborn screening (NBS) for SCID, infections occurred prior to HSCT. This study’s objectives were to define the types and timing of infection prior to HSCT in patients diagnosed via NBS or by family history (FH) and to understand the breadth of strategies employed at PIDTC centers for infection prevention.

Methods

We analyzed retrospective data on infections and pre-transplant management in patients with SCID diagnosed by NBS and/or FH and treated with HSCT between 2010 and 2014. PIDTC centers were surveyed in 2018 to understand their practices and protocols for pre-HSCT management.

Results

Infections were more common in patients diagnosed via NBS (55%) versus those diagnosed via FH (19%) (p = 0.012). Outpatient versus inpatient management did not impact infections (47% vs 35%, respectively; p = 0.423). There was no consensus among PIDTC survey respondents as to the best setting (inpatient vs outpatient) for pre-HSCT management. While isolation practices varied, immunoglobulin replacement and antimicrobial prophylaxis were more uniformly implemented.

Conclusion

Infants with SCID diagnosed due to FH had lower rates of infection and proceeded to HSCT more quickly than did those diagnosed via NBS. Pre-HSCT management practices were highly variable between centers, although uses of prophylaxis and immunoglobulin support were more consistent. This study demonstrates a critical need for development of evidence-based guidelines for the pre-HSCT management of infants with SCID following an abnormal NBS.

Trial Registration

NCT01186913



中文翻译:

SCID 婴儿的感染:PIDTC 中心的隔离、感染筛查和预防

目的

原发性免疫缺陷治疗联盟 (PIDTC) 招募患有严重联合免疫缺陷 (SCID) 的儿童参与一项关于过去十年造血干细胞移植 (HSCT) 结果的前瞻性自然史研究。尽管对 SCID 进行新生儿筛查 (NBS),但感染发生在 HSCT 之前。本研究的目的是确定通过 NBS 或家族史 (FH) 诊断的患者在 HSCT 之前感染的类型和时间,并了解 PIDTC 中心采用的感染预防策略的广度。

方法

我们分析了 2010 年至 2014 年间由 NBS 和/或 FH 诊断并接受 HSCT 治疗的 SCID 患者的感染和移植前管理的回顾性数据。2018 年对 PIDTC 中心进行了调查,以了解他们的 HSCT 前管理实践和方案。

结果

通过 NBS 诊断的患者 (55%) 与通过 FH 诊断的患者 (19%) 相比,感染更为常见 ( p  = 0.012)。门诊与住院管理对感染没有影响(分别为 47% 和 35%;p  = 0.423)。PIDTC 调查受访者对 HSCT 前管理的最佳设置(住院患者与门诊患者)没有达成共识。虽然隔离做法各不相同,但免疫球蛋白替代和抗菌预防的实施更为统一。

结论

由于 FH 诊断为 SCID 的婴儿感染率较低,并且比通过 NBS 诊断的婴儿更快地进行 HSCT。尽管预防和免疫球蛋白支持的使用更加一致,但各中心之间的 HSCT 前管理实践差异很大。这项研究表明,迫切需要制定基于证据的指南,用于在 NBS 异常后对患有 SCID 的婴儿进行 HSCT 前管理。

试用注册

NCT01186913

更新日期:2020-10-02
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