TAPS

TAPs
  • 文章类型: Journal Article
    背景:埃塞俄比亚于2019年颁布了一项全面的烟草控制法,该法禁止烟草广告和促销活动。然而,尚未研究在销售点(PoS)遵守这些法律的情况,导致缺乏有关法规实施方式的研究证据。该研究的目的是评估埃塞俄比亚10个城市对PoS烟草广告和促销法律的遵守情况。
    方法:采用多阶段整群抽样方法选择1468个PoS(超市,minimarkets,商品商店,普通商店,永久性信息亭,khat商店,街头小贩,以及食品和饮料批发商)。使用标准化观察检查表收集数据。烟草广告和促销指标用于计算室内和室外合规性。使用具有对数链接函数和稳健方差的泊松回归模型来评估与香烟包装的开放展示和室内不合规相关的因素。
    结果:室内平均依从率为92.9%(95%CI:92.3-93.5)。超市的合规性最高(99.7%),而永久性信息亭的依从性最低(89.8%)。在亚的斯亚贝巴的PoS观察到最高的平均室内依从性(98.0%)。大约60%的PoS在室内完全兼容。香烟包装的室内开放式展示很普遍(32.5%,95%CI:30.0-35.1)。平均户外依从性为99.6%(95%CI:99.5-99.7)。户外完全符合率为96.5%。永久性售货亭中的开放式香烟显着升高(调整后的患病率(adjPR)6.73;95%CI:3.96-11.42),常规商店(adjPR5.16;95%CI:3.05-8.75),和阿拉伯茶商店(adjPR2.06;95%CI:1.11-3.83),而在这些相同类型的PoS中,室内不依从性明显更高。
    结论:虽然户外依从率相对较高,室内合规率较低,特别是由于开放式香烟包装展示的普遍存在,这表明在执行反烟草广告和促销法律方面需要改进的主要领域。
    BACKGROUND: Ethiopia enacted a comprehensive tobacco control law in 2019, which bans tobacco advertising and promotion activities. However, compliance with these laws at points-of-sale (PoS) has not been studied, resulting in a lack of research evidence on how the regulations are implemented. The purpose of the study was to assess compliance with tobacco advertising and promotion laws at PoS in 10 cities in Ethiopia.
    METHODS: Multi-stage cluster sampling was used to select 1468 PoS (supermarkets, minimarkets, merchandise stores, regular shops, permanent kiosks, khat shops, street vendors, and food and drink wholesalers). Data were collected using standardized observational checklists. Tobacco advertising and promotion indicators were used to compute indoor and outdoor compliance. Poisson regression models with log link function and robust variance were used to assess factors associated with open display of cigarette packages and indoor non-compliance.
    RESULTS: The average indoor compliance rate was 92.9% (95% CI:92.3-93.5). Supermarkets had the highest compliance (99.7%), while permanent kiosks showed the lowest compliance (89.8%). The highest average indoor compliance was observed at PoS in Addis Ababa (98.0%). About 60% of PoS were fully compliant in indoors. Indoor open display of cigarette packages was prevalent (32.5%, 95% CI:30.0-35.1). The average outdoor compliance was 99.6% (95% CI:99.5-99.7). Outdoor full compliance was 96.5%. Open display of cigarettes was significantly higher in permanent kiosks (adjusted prevalence ratio (adjPR) 6.73; 95% CI: 3.96-11.42), regular shops (adjPR 5.16; 95% CI: 3.05-8.75), and khat shops (adjPR 2.06; 95% CI: 1.11-3.83), while indoor non-compliance was significantly higher in these same types of PoS.
    CONCLUSIONS: While outdoor compliance rates were relatively high, the lower indoor compliance rates particularly due to the high prevalence of open cigarette package displays indicates a major area for improvement in enforcing anti-tobacco advertising and promotion laws.
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  • 文章类型: Journal Article
    为了检测医院水龙头的污染和洗手时的飞溅,并探讨洗手池的合理布局。在某三级甲等综合医院的ICU中选取了两个空间布局大致相同的水龙头,用彩色纸测量最远的飞溅距离和具体的飞溅点。样品分别采用ATP检测技术和常规微生物检测方法,并对水龙头的污染进行了分析。每天洗手72小时后,到飞溅点最远的距离是水龙头周围约100厘米,水龙头周围40-110厘米的地方被严重污染。飞溅点达到的最远的距离是以圆心为中心的水龙头周围约80厘米,水龙头周围40-60厘米的区域被严重污染。长柄和短柄水龙头的出水口到检测点的距离呈高度负相关(r=-0.811,P<0.001),与飞溅点数量呈中度负相关(r=-0.475,P=0.001),分别。ATP检测和微生物培养的合格率分别为25%和15%,分别。铜绿假单胞菌,表皮葡萄球菌,在水龙头的出水口和周围环境中检测到其他致病菌。安全的手卫生设施是手卫生效果的重要保证之一。清洁物品和与患者有关的物品不应放置在靠近水龙头出水口1m范围内。在条件允许的情况下,应尽可能安装防溅挡板,以减少洗手时飞溅造成的污染。
    To detect the contaminate of faucets in hospitals and the splash during hand washing, and to explore the reasonable layout of hand washing pools. Two faucets with roughly the same spatial layout in the ICU of a third-class first-class general hospital were selected, and the farthest splashing distance and specific splashing points were measured by color paper. Samples were detected by ATP detection technology and routine microbial detection method, and the contaminate of faucets was analyzed. After 72 h of daily hand-washing activities, the furthest distance to the splash point was about 100 cm around the faucet, and the place 40-110 cm around the faucet was contaminated seriously. The farthest distance that the splash point reached was about 80 cm around the faucet with the center of the circle, and the area 40-60 cm around the faucet was heavily contaminated. The distance from the water outlet of the long handle and the short handle faucet to the detection point had a high negative correlation (r = - 0.811, P < 0.001) and a moderate negative correlation (r =  - 0.475, P = 0.001) with the number of splash points, respectively. The qualified rates of ATP detection and microbial culture were 25% and 15%, respectively. Pseudomonas aeruginosa, Staphylococcus epidermidis, and other pathogenic bacteria were detected in the water outlet of the faucet and the surrounding environment. Safe hand hygiene facilities are one of the important guarantees of hand hygiene effect. Clean objects and objects related to patients should not be placed within 1 m range near the water outlet of faucet. Anti-splash baffle should be installed as much as possible when conditions permit to reduce the contaminate caused by splash during hand washing.
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  • 文章类型: Journal Article
    目的:描述产前诊断为双胎贫血-红细胞增多症(TAPS)的一系列单绒毛膜(MC)妊娠的胎儿脑磁共振成像(MRI)发现,因此,为了描述与这种情况相关的潜在颅内并发症,他们的频率和潜在的治疗选择。
    方法:这是一项回顾性研究,涉及2006年至2023年在单一机构中并发TAPS并接受胎儿MRI的MC双胎妊娠。进行MRI控制,产后超声(US)或MRI可用。
    结果:我们机构评估了1250例MC妊娠。50例怀孕(4%)被诊断为TAPS,29例接受了胎儿脑MRI检查。13/29例妊娠(44.8%)至少在双胞胎中表现出MRI的脑部发现。在14/57双胞胎(24.6%)中检测到神经放射学发现。我们发现了四个主要类别的发现:出血性病变,T2加权白质高强度(WMH),脑水肿肿胀和静脉充血。贫血者有19项发现,红细胞增多症双胞胎有3项发现,两组之间的比率具有统计学意义(p值=0.01)。宫内MRI随访显示出血性病变的后遗症。脑肿胀完全消退,治疗后显示静脉突出和T2-WMHs。产后影像学证实了产前特征。
    结论:我们的工作表明,TAPS相关的MRI异常包括水肿/出血性病变,这些病变主要发生在贫血而不是红细胞增多的双胞胎中。胎儿镜激光手术可能具有潜在的减充血作用。因此,产前MRI可能有助于TAPS妊娠的咨询和管理,特别是治疗计划和疗效监测。
    OBJECTIVE: To describe fetal brain Magnetic Resonance Imaging (MRI) findings in a large series of monochorionic (MC) pregnancies complicated by Twin Anemia-Polycythemia Sequence (TAPS) prenatally diagnosed, so to characterize the potential intracranial complications associated with this condition, their frequency and potential treatment options.
    METHODS: This is a retrospective study of MC twin pregnancies complicated by TAPS and undergone fetal MRI in a single institution from 2006 to 2023. MRI control was performed and post-natal ultrasound (US) or MRI were available.
    RESULTS: 1250 MC pregnancies were evaluated in our institution. 50 pregnancies (4%) were diagnosed with TAPS, 29 underwent a fetal brain MRI. 13/29 pregnancies (44.8%) demonstrated brain findings at MRI in at least a twin. Neuroradiological findings were detected in 14/57 twins (24.6%). We detected four main categories of findings: hemorrhagic lesions, T2-weighted white-matter hyperintensities (WMH), brain edema-swelling and venous congestion. Nineteen findings were present in the anemic and three in the polycythemic twins, with a statistically significant ratio between the two groups (p-value = 0.01). Intrauterine MRI follow-up demonstrated the sequalae of hemorrhagic lesions. A complete regression of brain swelling, veins prominence and T2-WMHs was demonstrated after treatment. Postnatal imaging confirmed prenatal features.
    CONCLUSIONS: Our work demonstrates that TAPS-related MRI anomalies consisted in edematous/hemorrhagic lesions that occur mostly in anemic rather than in polycythemic twins. Fetoscopic laser surgery could have a potential decongestant role. Therefore, prenatal MRI may help in counselling and management in TAPS pregnancies, especially for the planning of therapy and the monitoring of its efficacy.
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  • 文章类型: Journal Article
    UNASSIGNED: The aim of our study was to compare maternal, chorionicity and neonatal complications in monochorionic (MC) twins between spontaneously conceived (SC) and assisted reproductive technologies (ART) pregnancies.
    UNASSIGNED: This was a retrospective cohort study between January 2010 to December 2019 at a tertiary referral University center. All consecutive pregnancies with MC twins that delivered at our University hospital were included. Maternal, chorionicity and neonatal complications were recorded and compared between SC and ART pregnancies.
    UNASSIGNED: 393 MC pregnancies were included for final analysis, including 353 (89.8%) SC and 40 (10.2%) pregnancies conceived after ART. Hypothyroidism was the only maternal condition seen significantly more often in ART pregnancies (35.0% vs 12.5%, p = 0.001). There were no significant differences in chorionicity complications, such as twin-twin transfusion syndrome, selective fetal growth restriction and twin anemia-polycythemia sequence (40.0% in ART pregnancies vs 31.6% in SC pregnancies, p = 0.291). At least one congenital anomaly in one twin was seen significantly more often in ART pregnancies (18.8% vs 8.1%, p = 0.004), especially congenital heart defects (16.3% vs 6.2%, p = 0.005). There were no other significant differences in neonatal outcomes between both groups, however, there were non-significant trends in gestational age at delivery (34 weeks in ART pregnancies vs 35 weeks, p = 0.078) and birthweight (1951 g ± 747 in ART pregnancies vs 2143 g ± 579, p = 0.066).
    UNASSIGNED: This is the largest cohort study to date comparing maternal, chorionicity and neonatal complications between MC twin pregnancies after ART and after SC. Hypothyroidism was the only maternal condition occurring more frequently in pregnancies conceived after ART. There were no significant differences in chorionicity complications, in contrast to previously reported studies. While MC twins and ART pregnancies per se are known to be at risk for congenital heart defects, there seems to be a cumulative effect in MC pregnancies conceived after ART.
    UNASSIGNED: Das Ziel dieser Studie war es, die mütterlichen, neonatalen und chorionizitätsbedingte Komplikationen von monochorialen (MC) Zwillingen bei spontan gezeugten (SG) bzw. mit Techniken der assistierten Reproduktion (ART) gezeugten Kindern zu vergleichen.
    UNASSIGNED: Diese retrospektive Kohortenstudie untersucht den Zeitraum von Januar 2010 bis Dezember 2019 in einem Universitätsklinikum der Maximalversorgung. Alle konsekutiven in unserem Universitätskrankenhaus entbundenen Schwangerschaften mit MC Zwillingen wurden in die Studie aufgenommen. Die mütterlichen, neonatalen und chorionizitätsbedingten Komplikationen wurden aufgezeichnet und ihr Auftreten in SG- und ART-Schwangerschaften wurde verglichen.
    UNASSIGNED: Insgesamt wurden 393 MC Schwangerschaften in die Endanalyse aufgenommen, davon waren 353 (89,8%) SG- und 40 (10,2%) ART-Schwangerschaften. Die Schilddrüsenunterfunktion war die einzige mütterliche Komplikation, die signifikant häufiger bei ART-Schwangerschaften auftrat (35,0% vs. 12,5%, p = 0,001). Es gab keine signifikanten Unterschiede in den chorionizitätsbedingten Komplikationen wie fetofetales Transfusionssyndrom, selektive fetale Wachstumsrestriktion und Zwillings-Anämie-Polyzythämie-Sequenz (40,0% in ART-Schwangerschaften vs. 31,6% in SG-Schwangerschaften, p = 0,291). Bei ART-Schwangerschaften trat mindestens eine angeborene Anomalie bei einem Zwilling signifikant häufiger auf (18,8% vs. 8,1%, p = 0,004), insbesondere angeborene Herzfehler (16,3% vs. 6,2%, p = 0,005). Es gab keine anderen signifikanten Unterschiede in den neonatalen Outcomes zwischen beiden Gruppen; es gab aber nichtsignifikante Trends hinsichtlich des Schwangerschaftsalters bei der Entbindung (34 Wochen für ART-Schwangerschaften vs. 35 Wochen, p = 0,078) und des Geburtsgewichts (1951 g ± 747 für ART-Schwangerschaften vs. 2143 g ± 579, p = 0,066).
    UNASSIGNED: Es handelt sich hier um die bislang größte Kohortenstudie, die mütterliche, neonatale und chorionizitätsbedingte Komplikationen in MC Zwillingsschwangerschaften untersucht und das Auftreten von Komplikationen in ART-Schwangerschaften mit denen in SG-Schwangerschaften vergleicht. Die Schilddrüsenunterfunktion war die einzige mütterliche Komplikation, die häufiger bei ART-Schwangerschaften auftat. Im Gegensatz zu früheren Studien gab es keine signifikanten Unterschiede in den chorionizitätsbedingten Komplikationen. Während MC Zwillinge und ART-Schwangerschaften bekanntlich ein höheres Risiko für angeborene Herzfehler haben, scheint es einen kumulativen Effekt bei mit ART gezeugten MC Schwangerschaften zu geben.
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  • 文章类型: Journal Article
    BACKGROUND: Tobacco advertisement, promotion, and sponsorship (TAPS) in all forms influences youth smoking behaviors. TAPS exposure enhances their smoking frequency and vulnerability. A 2018 Indonesia Ministry of Health (MoH) Survey showed increased smoking prevalence among youth aged 10-18 years. Thus, our objective was to analyze the relationship between TAPS and the increased Indonesian youth smoking behavior.
    METHODS: We conducted a secondary analysis of the Indonesian 2019 Global Youth Tobacco Survey. The sample size differed in each variable: current smokers n=3386, ever smoker n=3666, and cigarette consumption per day n=1355. We adjusted for socioeconomic and demographic variables and used logistic regression with youth smoking prevalence as the outcome and TAPS variables as the primary exposures.
    RESULTS: The current male youth smoker prevalence was 38.3%, ever smoker was 67%, and high consumption per day smoker (≥2 cigarettes per day) was 39.1%. Youth respondents exposed to the promotion or sponsorship of cigarette products showed an increase in three smoking behaviors. In particular, when youth respondents were exposed to more than one type of cigarette promotion (AOR=1.67, 95% CI: 1.33-2.09) or noticed one type of cigarette sponsorship (AOR=2.06, 95% CI: 1.44-2.93), their odds of all three smoking behaviors (current smoker, ever smoker, and high consumption smoker) increased.
    CONCLUSIONS: TAPS increase smoking behaviors among Indonesian youth. Therefore, to protect Indonesian youth health in the future, strategic action is needed to reduce youth smoking by banning all forms of TAPS in Indonesia.
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  • 文章类型: Journal Article
    在新冠肺炎大流行期间,青少年吸烟者的患病率有所增加。吸烟行为是由于接触广告和香烟促销而发生的。这项定量研究是使用横截面方法进行的。研究的目的是利用卡方检验分析大流行期间马朗摄政区广告暴露与香烟促销对青少年吸烟行为的关系。对Kepanjen地区几所高中或同等学位的学生进行了随机抽样,共有145名受访者。结果表明,年龄、销售点香烟广告媒体的类型,户外媒体,社交媒体,互联网,和报纸或杂志在Covid-19大流行期间的青少年吸烟行为(p值>0.05)。接触电视上的香烟广告,总接触香烟广告,香烟促销,大流行期间,性别与青少年吸烟行为有显著关系(p值<0.05)。青少年非常暴露于各种类型的香烟广告和促销活动,这些广告和促销活动可能会影响大流行期间吸烟行为的增加。
    The prevalence of teen smokers has increased during the Covid-19 pandemic. Smoking behavior occurs due to exposure to advertising and the promotion of cigarettes. This quantitative research was conducted using cross-sectional approach. The purpose of the study was to analyze the relationship between advertising exposure and cigarette promotion on adolescent smoking behavior in Malang Regency during the pandemic using the chi-square test. Random sampling on students from several high schools or equal degree in the Kepanjen District was done with a total of 145 respondents. The results showed that there was no significant relationship between age, types of cigarette advertising media at the point of sale, outdoor media, social media, internet, and newspapers or magazines by adolescent smoking behavior during the Covid-19 pandemic (p-value > 0.05). Exposure to cigarette advertisements on television, total exposure to cigarette advertisements, cigarette promotion, and gender had a significant relationship with adolescent smoking behavior during the pandemic (p value < 0.05). Adolescents are quite highly exposed to the various types of advertisements and promotions of cigarettes that can influence increased smoking behavior during the pandemic.
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  • 文章类型: Case Reports
    OBJECTIVE: Twin anemia polycythemia sequence (TAPS) is a rare complication of monochorionic twin pregnancies, which can occur either spontaneously or after laser photocoagulation procedure for twin to twin transfusion syndrome. TAPS is associated with poor perinatal outcomes and clear screening guidelines for this disease are lacking resulting in under-diagnosis of TAPS.
    METHODS: The purpose of this report is to discuss a case of severe spontaneous TAPS, which was successfully treated with favorable outcome, to describe the placental histopathological findings, and to propose an algorithm for management and follow up of this rare condition.
    CONCLUSIONS: Laser photocoagulation of the placental anastomoses, despite technical challenges, can be safely performed in cases of TAPS. Even with prenatal evidence of successful resolution of TAPS, close fetal surveillance is warranted because of the persistence of placental villous immaturity.
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  • 文章类型: Journal Article
    背景:吸烟是东南亚国家联盟(ASEAN)死亡和残疾的主要原因之一。尽管实施了一些控烟措施,年轻人继续开始吸烟。这篇叙述性评论概述了烟草广告,促销,和赞助(TAPS)可能会影响该地区年轻人的吸烟态度和摄入量。
    方法:在EBSCOhost上搜索了9个电子数据库,以确定截至2019年12月发表的研究。包括所有以英语发表的调查东盟国家青少年吸烟和TAPS的研究。采用专题分析法探讨TAPS对青少年吸烟的影响。
    结果:确定了37项研究。这项研究表明,年轻人接触并接受烟草广告,这可能有助于对烟草品牌和吸烟的积极态度。研究还表明,年轻人接触到销售点(POS)广告或促销活动以及个人促销活动。然而,很少有研究探讨这些策略如何影响年轻人的态度和消费行为,或者,在线广告和烟包品牌如何影响青少年吸烟。
    结论:东盟国家的青年继续受到TAPS的影响,特别是通过POS广告或促销和个人销售促销。也有理由担心“线下”广告以及香烟包装作为促销工具的作用日益增强。这些调查结果支持呼吁所有东盟国家批准《烟草控制框架公约》(FCTC)。全面禁止各种形式的烟草广告,包括POS广告和香烟包装展示,并实施烟草制品普通包装立法。
    BACKGROUND: Tobacco smoking is one of the leading causes of death and disability in the Association of Southeast Asian Nations (ASEAN). Despite implementation of some tobacco control measures, youth continue to initiate smoking. This narrative review outlines how tobacco advertising, promotion, and sponsorship (TAPS) may influence smoking attitudes and uptake among youth in the region.
    METHODS: Nine electronic databases were searched on EBSCOhost to identify studies published up until December 2019. All studies published in English that investigated youth smoking and TAPS in ASEAN countries were included. Thematic analysis was used to investigate the influence of TAPS on youth smoking.
    RESULTS: Thirty-seven studies were identified. This research showed that youth were exposed and receptive to tobacco advertising, which may contribute to positive attitudes towards tobacco brands and smoking. Studies also demonstrated that youth were exposed to point-of-sale (POS) advertisements or promotions and individual sales promotions. However, little research has explored how these strategies influence attitudes and consumption behaviors among youth, or, how online advertising and cigarette packet branding may influence youth smoking.
    CONCLUSIONS: Youth in ASEAN countries continue to be exposed to TAPS, particularly through POS advertisements or promotions and individual sales promotions. There is also cause for concern about \'below-the-line\' advertising and the increasing role of cigarette packaging as a promotional tool. These findings support calls for all ASEAN countries to ratify the Framework Convention on Tobacco Control (FCTC), introduce comprehensive bans on all forms of tobacco advertising, including POS advertising and cigarette pack displays, and implement plain packaging legislation for tobacco products.
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  • 文章类型: Journal Article
    OBJECTIVE: To report the perinatal outcome of monochorionic diamniotic (MCDA) twin pregnancies complicated by twin anemia-polycythemia sequence (TAPS), according to the type of TAPS (spontaneous or postlaser) and the management option adopted.
    METHODS: MEDLINE, EMBASE and The Cochrane Library databases were searched for studies reporting on the outcome of twin pregnancies complicated by TAPS. Inclusion criteria were non-anomalous MCDA twin pregnancies with a diagnosis of TAPS. The primary outcome was perinatal mortality; secondary outcomes were neonatal morbidity and preterm birth (PTB). The outcomes were stratified according to the type of TAPS (spontaneous or following laser treatment for twin-twin transfusion syndrome) and the management option adopted (expectant, laser surgery, intrauterine transfusion (IUT) or selective reduction (SR)). Random-effects meta-analysis of proportions was used to analyze the data.
    RESULTS: Perinatal outcome was assessed according to whether TAPS occurred spontaneously or after laser treatment in 506 pregnancies (38 studies). Intrauterine death (IUD) occurred in 5.2% (95% CI, 3.6-7.1%) of twins with spontaneous TAPS and in 10.2% (95% CI, 7.4-13.3%) of those with postlaser TAPS, while the corresponding rates of neonatal death were 4.0% (95% CI, 2.6-5.7%) and 9.2% (95% CI, 6.6-12.3%), respectively. Severe neonatal morbidity occurred in 29.3% (95% CI, 25.6-33.1%) of twins after spontaneous TAPS and in 33.3% (95% CI, 17.4-51.8%) after postlaser TAPS, while the corresponding rates of severe neurological morbidity were 4.0% (95% CI, 3.5-5.7%) and 11.1% (95% CI, 6.2-17.2%), respectively. PTB complicated 86.3% (95% CI, 77.2-93.3%) of pregnancies with spontaneous TAPS and all cases with postlaser TAPS (100% (95% CI, 84.3-100%)). Iatrogenic PTB was more frequent than spontaneous PTB in both groups. Perinatal outcome was assessed according to the management option adopted in 417 pregnancies (21 studies). IUD occurred in 9.8% (95% CI, 4.3-17.1%) of twins managed expectantly and in 13.1% (95% CI, 9.2-17.6%), 12.1% (95% CI, 7.7-17.3%) and 7.6% (95% CI, 1.3-18.5%) of those treated with laser surgery, IUT and SR, respectively. Severe neonatal morbidity affected 27.3% (95% CI, 13.6-43.6%) of twins in the expectant-management group, 28.7% (95% CI, 22.7-35.1%) of those in the laser-surgery group, 38.2% (95% CI, 18.3-60.5%) of those in the IUT group and 23.3% (95% CI, 10.5-39.2%) of those in the SR group. PTB complicated 80.4% (95% CI, 59.8-94.8%), 73.4% (95% CI, 48.1-92.3%), 100% (95% CI, 76.5-100%) and 100% (95% CI, 39.8-100%) of pregnancies after expectant management, laser surgery, IUT and SR, respectively.
    CONCLUSIONS: The present meta-analysis provides pooled estimates of the risks of perinatal mortality, neonatal morbidity and PTB in twin pregnancies complicated by TAPS, stratified by the type of TAPS and the management option adopted. Although a direct comparison could not be performed, the results from this systematic review suggest that spontaneous TAPS may have a better prognosis than postlaser TAPS. No differences in terms of mortality and morbidity were observed when comparing different management options for TAPS, although these findings should be interpreted with caution in view of the limitations of the included studies. Individualized prenatal management, taking into account the severity of TAPS and gestational age, is currently the recommended strategy. © 2021 International Society of Ultrasound in Obstetrics and Gynecology.
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  • 文章类型: Journal Article
    Painkillers are commonly used medications. Native peptide painkillers suffer from various pharmacological disadvantages, while small molecule painkillers like morphine are highly addictive. We present a general approach aimed to use backbone-cyclization to develop a peptidomimetic painkiller. Backbone-cyclization was applied to transform the linear peptide Tyr-Arg-Phe-Sar (TAPS) into an active backbone-cyclic peptide with improved drug properties. We designed and synthesized a focused backbone-cyclic TAPS library with conformational diversity, in which the members of the library have the generic name TAPS c(n-m) where n and m represent the lengths of the alkyl chains on the nitrogens of Gly and Arg, respectively. We used a combined screening approach to evaluate the pharmacological properties and the potency of the TAPS c(n-m) library. We focused on an in vivo active compound, TAPS c(2-6), which is metabolically stable and has the potential to become a peripheral painkiller being a full μ opioid receptor functional agonist. To prepare a large quantity of TAPS c(2-6), we optimized the conditions of the on-resin reductive alkylation step to increase the efficiency of its SPPS. NMR was used to determine the solution conformation of the peptide lead TAPS c(2-6).
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