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Patient blood management (PBM) in pregnancy and childbirth: literature review and expert opinion.

妊娠和分娩中的患者血液管理 (PBM): 文献回顾和专家意见。

  • 影响因子:2.02
  • DOI:10.1007/s00404-019-05374-8
  • 作者列表:"Surbek D","Vial Y","Girard T","Breymann C","Bencaiova GA","Baud D","Hornung R","Taleghani BM","Hösli I
  • 发表时间:2020-02-01
Abstract

PURPOSE:Patient blood management [PBM] has been acknowledged and successfully introduced in a wide range of medical specialities, where blood transfusions are an important issue, including anaesthesiology, orthopaedic surgery, cardiac surgery, or traumatology. Although pregnancy and obstetrics have been recognized as a major field of potential haemorrhage and necessity of blood transfusions, there is still little awareness among obstetricians regarding the importance of PBM in this area. This review, therefore, summarizes the importance of PBM in obstetrics and the current evidence on this topic. METHOD:We review the current literature and summarize the current evidence of PBM in pregnant women and postpartum with a focus on postpartum haemorrhage (PPH) using PubMed as literature source. The literature was reviewed and analysed and conclusions were made by the Swiss PBM in obstetrics working group of experts in a consensus meeting. RESULTS:PBM comprises a series of measures to maintain an adequate haemoglobin level, improve haemostasis and reduce bleeding, aiming to improve patient outcomes. Despite the fact that the WHO has recommended PBM early 2010, the majority of hospitals are in need of guidelines to apply PBM in daily practice. PBM demonstrated a reduction in morbidity, mortality, and costs for patients undergoing surgery or medical interventions with a high bleeding potential. All pregnant women have a significant risk for PPH. Risk factors do exist; however, 60% of women who experience PPH do not have a pre-existing risk factor. Patient blood management in obstetrics must, therefore, not only be focused on women with identified risk factor for PPH, but on all pregnant women. Due to the risk of PPH, which is inherent to every pregnancy, PBM is of particular importance in obstetrics. Although so far, there is no clear guideline how to implement PBM in obstetrics, there are some simple, effective measures to reduce anaemia and the necessity of transfusions in women giving birth and thereby improving clinical outcome and avoiding complications. CONCLUSION:PBM in obstetrics is based on three main pillars: diagnostic and/or therapeutic interventions during pregnancy, during delivery and in the postpartum phase. These three main pillars should be kept in mind by all professionals taking care of pregnant women, including obstetricians, general practitioners, midwifes, and anaesthesiologists, to improve pregnancy outcome and optimize resources.

摘要

目的: 患者血液管理 [PBM] 已被广泛认可并成功引入医学专业,其中输血是一个重要问题,包括麻醉学,整形外科,心脏外科或创伤学。尽管妊娠和产科被认为是潜在出血和输血必要性的主要领域,但产科医生仍然很少意识到PBM在这一领域的重要性。因此,本综述总结了PBM在产科中的重要性以及目前关于这一主题的证据。 方法: 我们回顾了当前的文献,总结了孕妇和产后PBM的当前证据,重点是使用PubMed作为文献来源的产后出血 (PPH)。文献进行了回顾和分析,并得出结论由瑞士PBM在产科专家工作组在一个共识会议。 结果: PBM包括一系列措施来维持足够的血红蛋白水平,改善止血和减少出血,旨在改善患者的预后。尽管世卫组织在2010年初推荐了PBM,但大多数医院需要指南将PBM应用于日常实践。PBM表明,接受手术或具有高出血可能性的医疗干预的患者的发病率、死亡率和成本降低。所有孕妇都有显著的PPH风险。风险因素确实存在; 然而,60% 经历PPH的女性没有预先存在的风险因素。因此,产科中的患者血液管理必须不仅关注具有确定的PPH风险因素的女性,而且关注所有孕妇。由于PPH的风险,这是每个妊娠固有的,PBM在产科中特别重要。尽管到目前为止,如何在产科实施PBM尚无明确的指南,但仍有一些简单、有效的措施来减少贫血和产妇输血的必要性,从而改善临床结局和避免并发症。 结论: 产科PBM基于三个主要支柱: 怀孕期间,分娩期间和产后阶段的诊断和/或治疗干预。所有照顾孕妇的专业人员,包括产科医生、全科医生、助产士和麻醉师,都应牢记这三大支柱,以改善妊娠结局并优化资源。

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相关文献
影响因子:1.44
发表时间:2020-01-01
DOI:10.1080/14767058.2018.1487947
作者列表:["Li J","Yu B","Wang W","Luo D","Dai QL","Gan XQ"]

METHODS::Objective: To investigate whether intact umbilical cord milking (I-UCM) can aggravate infection or result in other undesirable complications in preterm infants with premature prolonged rupture of membranes (PPROM).Methods: Neonates vaginally delivered between 28 and 37 weeks' gestation and complicated by PPROM before birth were randomly divided into two groups according to the cord clamping procedure: I-UCM before clamping and immediate cord clamping (ICC). Various parameters of the study participants were compared between the two groups.Results: Of 102 preterm infants, 48 and 54 were randomly allocated to the I-UCM and ICC groups, respectively. There were no significant differences between the two groups regarding hematological parameters (platelet count, white blood count, neutrophil ratio, and C-reactive protein) or neonatal outcomes (probable or certain neonatal infection, respiratory distress syndrome, necrotizing enterocolitis, and intraventricular hemorrhage) (p > .05). However, preterm neonates in the I-UCM group had higher serum hemoglobin and hematocrit levels (p < .05) and received fewer blood transfusions (p < .05) than those in the ICC group.Conclusion: Milking the umbilical cord to a preterm neonate with PPROM will not aggravate neonatal infection or result in other undesirable complications. This simple procedure will improve hemoglobin values and hematocrit levels and may lessen the need for transfusion during the neonatal period.

影响因子:1.44
发表时间:2020-01-01
DOI:10.1080/14767058.2018.1487938
作者列表:["Silva LVCD","Javorski N","André Cavalcanti Brandão L","Lima MC","Crovella S","Eickmann SH"]

METHODS::Background: The mannose-binding lectin (MBL2) and nitric oxide synthase 3 (NOS3) genes are associated with the immune response against inflammatory processes, have been reported as possibly related with premature birth. Until now, most of the researches regarding the genetic influence of prematurity have revealed limited results because only investigating the child or the mothers' genotypes, thus not exploring the possible effects of interactions between these genotypes or the interactions with environmental factors related to the duration of pregnancy.Objective: We performed a replica study investigating the influence of single nucleotide polymorphisms (SNPs) in MBL2 and NOS3 genes on premature birth, also considering socioeconomic, demographic, and gestational factors.Materials and methods: We conducted a case-control study with 189 mother-infant dyads, with 104 spontaneous preterm births and 85 term births from Recife, Brazil. We used peripheral blood samples and umbilical cord samples to extract DNA. Functional SNPs at exon 1 and promoter region of MBL2 and NOS3 RS1799983 SNP were genotyped using direct sequencing and fluorescent allelic specific TaqMan® assays respectively. Data were analyzed using the Statistical Package for the Social Sciences (SPSS®) program with bivariate association and logistic multivariate regression tests.Results: We observed a prevalence of MBL2 wild-type genotype in the mother-infant dyad of the preterm group and polymorphic genotype in the mother-infant dyad of term birth. The haplotype LYA predominated in our sample, being more frequent in the preterm group, while the haplotype LYB, correlated with lower levels of MBL protein, was more frequent in the term birth group. About NOS3 RS1799983 SNP, the G/G genotype was more frequent throughout the sample. The heterozygous genotype predominated among women from the preterm group, showed a borderline difference between the groups. When MBL2 genotypes of the mother and son were analyzed together, codon 54 of MBL2 remained associated with prematurity. When the variables with p value lower than .20 in the bivariate analysis were analyzed by logistic regression, the low weight of the pregnant woman in relation to the gestational age, the occurrence of preterm premature rupture of membranes, urinary tract infection during birth and maternal history of other premature births were risk factors to prematurity. On the other hand, the presence of B allele at codon 54 of maternal MBL2 was a protective factor for the occurrence of spontaneous premature birth. In contrast, a borderline association was established between the maternal genetic variation within NOS3 gene and the outcome studied.Conclusions: Our study, limited by the small number of patients enrolled, indicates that MBL2 and NOS3 functional SNPs are associated with the occurrence of spontaneous prematurity and the regulation of the maternal inflammatory response. Despite these results are in agreement with previously reports, our findings do not replicate the ones reported in a large genome-wide association study performed on quite high number of subjects. Thus, we can conclude that MBL2 and NOS3 functional SNPs are plausible candidate risk factors just in few preterm birth cases, and consequently they cannot be included in the general diagnostic practice.

翻译标题与摘要 下载文献

METHODS::Objective: To compare maternal and neonatal outcomes by forceps vaginal delivery versus cesarean delivery during the second stage of labor.Methods: We conducted a retrospective cohort study in a large tertiary maternity center in Shanghai, China through 2007-2016. A total of 7046 women carrying a singleton term nonanomalous fetus with vertex presentation who underwent forceps vaginal delivery, or cesarean delivery from a low station in the second stage of labor were included.Results: Of the 7046 women, 6265 underwent forceps and 781 underwent second stage cesarean delivery. Forceps were associated with lower frequency of maternal infection (2.2 versus 4.7%), but higher incidence of mild postpartum hemorrhage (PPH) (4.3 versus 0.6%). When the procedures were performed for fetal indication, forceps were associated with lower frequency of the composite of perinatal mortality and/or hypoxic ischemic encephalopathy (HIE) (0.5 versus 1.9%; adjusted odds ratio (aOR), 0.24; 95% CI: 0.08-0.75), and also shorter decision to delivery interval (12.3 ± 3.5 versus 19.1 ± 5.0 min). The neonatal infection rate was higher in the forceps group (3.9 versus 2.0%). There were no differences in other neonatal outcomes including birth trauma.Conclusions: In women who had a need for intervention during the second stage with a station of +2 or below, forceps were associated with a lower frequency of maternal infection but a higher rate of PPH. Deliveries performed for nonreassuring status were accomplished faster by forceps and were associated with a lower frequency of the composite of perinatal mortality and HIE.

翻译标题与摘要 下载文献
分娩并发症方向

分娩期并发症包括胎膜早破、子宫破裂、产后出血、脐带异常、羊水栓塞、胎儿宫内窘迫、期待脱垂等。

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