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1.
目的:了解本地区腹泻婴幼儿的A群轮状病毒感染情况及其流行特点。方法:采用胶体金法对我院2009年10月-2010年9月2104例有腹泻和肠炎特征的婴幼儿粪便进行A群轮状病毒抗原检测。结果:在2104例受检者中,A群轮状病毒感染的总阳性率是24.71%,其中男性感染率24.17%,女性为25.40%。不同年龄组间以1—2岁婴幼儿感染率最高,为32.13%,0-1岁为20.72%,2-5岁为12.03%。感染的季节特征是秋末冬初季(10—12月)阳性率最高,为42.82%,春末夏初季(4.6月)最低,为8.81%。结论:由A群轮状病毒感染引发的急性腹泻主要发生在1-2岁的婴幼儿,各个季节均有发生,以秋末冬初季为高发。 相似文献
2.
Dynamics of Human Immunodeficiency Virus Type 1 Replication in Vertically Infected Infants 总被引:6,自引:1,他引:5
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Katherine Luzuriaga Hulin Wu Margaret McManus Paula Britto William Borkowsky Sandra Burchett Betsy Smith Lynne Mofenson John L. Sullivan the PACTG Investigators 《Journal of virology》1999,73(1):362-367
Plasma human immunodeficiency virus type 1 (HIV-1) turnover and kinetics were studied in children aged 15 days to 2 years following the initiation of a triple antiretroviral drug regimen consisting of zidovudine, lamivudine, and nevirapine. HIV-1 turnover was at least as rapid as that previously described in adults; turnover rates were more rapid in infants and children aged 3 months to 2 years than in infants less than 3 months of age. These data confirm the central role of HIV-1 replication in the pathogenesis of vertical HIV-1 infection and reinforce the importance of early, potent combination therapies for the long-term control of HIV-1 replication. 相似文献
3.
Dolgikh TI Dalmatov VV Gashina EA Stasenko VL Kosykh NI Kmito NL Pakhalkova EV 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》2004,(5):25-30
Sreening data obtained on babies aged under one and selected by random (1,910 children) or target (2,658 children) choice for cytomegalovirus (CMV) infection during the period of 10 years (1992-2001) were compared with mortality rate. The methods used were enzyme immunoassay, immunofluorescence and polymerase chain reaction. The babies were divided as follows: newborn infants (group I), babies aged 1-3 months (group II), 4-6 months (group III) and 7-12 months (group IV). Specific clinical features of CMV infection in newborn infants were studied on 69 cases (37--with CMV monoinfection and 32--with mixed infection). The serological screening revealed a 2.1-fold growth of the infection rate among randomly selected newborn infants during the 10 year period. Positive correlation between the infection rate among children of this age group and the neonatal mortality rate was established. High risk factors of CMV infection were revealed as well as increased infection rate and frequency of clinical cases with the prevailing neurological pathology in group III. Early diagnosis, the exclusion of mixed infections and early adequate therapy were shown to play a decisive role in the outcome of the disease. The algorithm of epidemiological surveillance and the regional program of prophylaxis were worked out. 相似文献
4.
Anaclara Pincelli Marly A. Cardoso Maíra B. Malta Igor C. Johansen Rodrigo M. Corder Vanessa C. Nicolete Irene S. Soares Marcia C. Castro Marcelo U. Ferreira 《PLoS neglected tropical diseases》2021,15(7)
BackgroundMalaria causes significant morbidity and mortality in children under 5 years of age in sub-Saharan Africa and the Asia-Pacific region. Neonates and young infants remain relatively protected from clinical disease and the transplacental transfer of maternal antibodies is hypothesized as one of the protective factors. The adverse health effects of Plasmodium vivax malaria in early childhood–traditionally viewed as a benign infection–remain largely neglected in relatively low-endemicity settings across the Amazon.Methodology/Principal findingsOverall, 1,539 children participating in a birth cohort study in the main transmission hotspot of Amazonian Brazil had a questionnaire administered, and blood sampled at the two-year follow-up visit. Only 7.1% of them experienced malaria confirmed by microscopy during their first 2 years of life– 89.1% of the infections were caused by P. vivax. Young infants appear to be little exposed to, or largely protected from infection, but children >12 months of age become as vulnerable to vivax malaria as their mothers. Few (1.4%) children experienced ≥4 infections during the 2-year follow-up, accounting for 43.4% of the overall malaria burden among study participants. Antenatal malaria diagnosed by microscopy during pregnancy or by PCR at delivery emerged as a significant correlate of subsequent risk of P. vivax infection in the offspring (incidence rate ratio, 2.58; P = 0.002), after adjusting for local transmission intensity. Anti-P. vivax antibodies measured at delivery do not protect mothers from subsequent malaria; whether maternal antibodies transferred to the fetus reduce early malaria risk in children remains undetermined. Finally, recent and repeated vivax malaria episodes in early childhood are associated with increased risk of anemia at the age of 2 years in this relatively low-endemicity setting.Conclusions/SignificanceAntenatal infection increases the risk of vivax malaria in the offspring and repeated childhood P. vivax infections are associated with anemia at the age of 2 years. 相似文献
5.
Angelo Taronna Elisa Mazzoni Alfredo Corallini Ilaria Bononi Silvia Pietrobon Giovanni Guerra Caterina Palmonari Caterina Borgna-Pignatti Manola Comar Massimo Bovenzi Ferruccio Casali Roberto Marci Giovanni Rezza Giuseppe Barbanti-Brodano Mauro Tognon Fernanda Martini 《PloS one》2013,8(4)
At present Simian virus 40 (SV40) infection in humans appears to be transmitted independently from early contaminated vaccines. In order to test the spread of SV40 infection in children, an immunologic assay employing specific SV40 synthetic peptides corresponding to its viral protein (VP) antigens was employed to estimate the seroprevalence of this polyomavirus in Italian infants and adolescents. Serum samples from 328 children and adolescents, up to 17 years, were investigated. Serum antibodies against SV40 VPs were detected by indirect enzyme-linked immunosorbent assays. The seroprevalence of this polyomavirus was calculated after stratifying the subjects by age. Anti-viral capsid protein 1-2-3 SV40 IgG antibodies were detected in 16% of the study participants. The prevalence of antibodies against SV40 VPs tended to increase with age in children, up to 10 year old (21%). Then, in the cohort of individuals aged 11–17 years, the prevalence decreased (16%). A higher prevalence rate (23%) of SV40 VP antibodies was detected in the cohorts of 1–3 year and 7–10 year old children, than in children and adolescents of the other age groups. This age corresponds to children starting nursery and primary school, respectively, in Italy. IgM antibodies against SV40 VP mimotopes were detected in 6–8 month old children suggesting that SV40 seroconversion can occur early in life. SV40 VP antibodies are present at low prevalence in Italian children (16%), suggesting that SV40 infection, although acquired early in life, probably through different routes, is not widespread. The low SV40 seroprevalence suggests that SV40 is less transmissible than other common polyomaviruses, such as BKV and JCV. Alternatively, our immunologic data could be due to another, as yet undiscovered, human polyomavirus closely related to SV40. 相似文献
6.
Gibson L Piccinini G Lilleri D Revello MG Wang Z Markel S Diamond DJ Luzuriaga K 《Journal of immunology (Baltimore, Md. : 1950)》2004,172(4):2256-2264
Recombinant modified vaccinia Ankara- and peptide-based IFN-gamma ELISPOT assays were used to detect and measure human CMV (HCMV)-specific CD8(+) T cell responses to the pp65 (UL83) and immediate early protein 1 (IE1; UL123) gene products in 16 HCMV-infected infants and children. Age at study ranged from birth to 2 years. HCMV-specific CD8(+) T cells were detected in 14 (88%) of 16 children at frequencies ranging from 60 to >2000 spots/million PBMC. Responses were detected as early as 1 day of age in infants with documented congenital infection. Nine children responded to both pp65 and IE1, whereas responses to pp65 or IE1 alone were detected in three and two children, respectively. Regardless of the specificity of initial responses, IE1-specific responses predominated by 1 year of age. Changes in HCMV epitopes targeted by the CD8(+) T cell responses were observed over time; epitopes commonly recognized by HLA-A2(+) adults with latent HCMV infection did not fully account for responses detected in early childhood. Finally, the detection of HCMV-specific CD8(+) T cell responses was temporally associated with a decrease in peripheral blood HCMV load. Taken altogether, these data demonstrate that the fetus and young infant can generate virus-specific CD8(+) T cell responses. Changes observed in the protein and epitope-specificity of HCMV-specific CD8(+) T cells over time are consistent with those observed after other primary viral infections. The temporal association between the detection of HCMV-specific CD8(+) T cell responses and the reduction in blood HCMV load supports the importance of CD8(+) T cells in controlling primary HCMV viremia. 相似文献
7.
Until recently, the epidemiology and control of schistosomiasis in sub-Saharan Africa have focused primarily on infections in school-aged children and to a lesser extent on adults. Now there is growing evidence and reports of infection in infants and pre-school-aged children (≤ 6 years old) in Ghana, Kenya, Mali, Niger, Nigeria and Uganda, with reported prevalence from 14% to 86%. In this review, we provide available information on the epidemiology, transmission and control of schistosomiasis in this age group, generally not considered or included in national schistosomiasis control programmes that are being implemented in several sub-Saharan African countries. Contrary to previous assumptions, we show that schistosomiasis infection starts from early childhood in many endemic communities and factors associated with exposure of infants and pre-school-aged children to infection are yet to be determined. The development of morbidity early in childhood may contribute to long-term clinical impact and severity of schistosomiasis before they receive treatment. Consistently, these issues are overlooked in most schistosomiasis control programmes. It is, therefore, necessary to review current policy of schistosomiasis control programmes in sub-Saharan Africa to consider the treatment of infant and pre-school-aged children and the health education to mothers. 相似文献
8.
Background: The relationship between H. pylori infection and anemia in childhood is still unclear. The aim of the study was to examine the association between H. pylori infection and anemia or iron deficiency in school‐age children and in infants. Materials and Methods: Six‐ to 9‐ year‐old Israeli Arab children (N = 202) and infants (N = 197) were examined for hemoglobin and ferritin levels. ELISA was used to detect H. pylori antigens in stool specimens collected from the participants. Household characteristics were obtained through personal interviews with the mothers. Results: The prevalence of anemia was 15.5 versus 5.5% in H. pylori‐positive and ‐negative school‐age children, respectively and 34.5 versus 29.8% in H. pylori‐positive and ‐negative infants, respectively. The Mantel–Haenszel age‐adjusted prevalence ratio (PR) and 95% confidence intervals (CIs) were 1.6 (95%CI 1.0, 2.6). In multivariate analysis controlling for socioeconomic variables, H. pylori infection was associated with 2.8 higher prevalence of anemia only in school‐age children: adjusted PR 2.8 (95% CI 0.9, 9.3). The adjusted mean difference in hemoglobin levels between H. pylori infected school‐age children and uninfected ones was ?0.372 gr/dL (95% CI ?0.704, ?0.039) (p = .04). The respective mean ferritin difference was ?6.74 μg/L (95% CI ?13.38, ?.011) (p = .04). Such differences were not found in infants. Conclusions: H. pylori infection is associated with higher prevalence of anemia in school‐age children independently of socioeconomic variables. Such association was not observed in infants. These findings are of clinical and public health importance. 相似文献
9.
Graham S. Cooke Kirsty E. Little Ruth M. Bland Hilary Thulare Marie-Louise Newell 《PloS one》2009,4(9)
Background
In areas where adult HIV prevalence has reached hyperendemic levels, many infants remain at risk of acquiring HIV infection. Timely access to care and treatment for HIV-infected infants and young children remains an important challenge. We explore the extent to which public sector roll-out has met the estimated need for paediatric treatment in a rural South African setting.Methods
Local facility and population-based data were used to compare the number of HIV infected children accessing HAART before 2008, with estimates of those in need of treatment from a deterministic modeling approach. The impact of programmatic improvements on estimated numbers of children in need of treatment was assessed in sensitivity analyses.Findings
In the primary health care programme of HIV treatment 346 children <16 years of age initiated HAART by 2008; 245(70.8%) were aged 10 years or younger, and only 2(<1%) under one year of age. Deterministic modeling predicted 2,561 HIV infected children aged 10 or younger to be alive within the area, of whom at least 521(20.3%) would have required immediate treatment. Were extended PMTCT uptake to reach 100% coverage, the annual number of infected infants could be reduced by 49.2%.Conclusion
Despite progress in delivering decentralized HIV services to a rural sub-district in South Africa, substantial unmet need for treatment remains. In a local setting, very few children were initiated on treatment under 1 year of age and steps have now been taken to successfully improve early diagnosis and referral of infected infants. 相似文献10.
Interaction of human peripheral blood mononuclear cells with Coccidioides immitis arthroconidia 总被引:1,自引:0,他引:1
We explored the in vitro interaction of human peripheral blood mononuclear cells with the arthroconidial stage of the fungus Coccidioides immitis. Fresh peripheral blood monocytes in an adherent monolayer were capable of ingesting C. immitis. Further, peripheral blood monocytes from either skin-test-positive or skin-test-negative donors significantly decreased the in vitro growth of C. immitis when coccidioidal arthroconidia were incubated with monocytes. Peripheral blood mononuclear cells also reduced fungal incorporation of the chitin precursor N-acetyl glucosamine. Cell fractions consisting predominantly of monocytes were significantly more active in this regard than fractions containing predominantly lymphocytes. Moreover, this activity was independent of the coccidioidal skin-test status of the donor. We conclude that human fresh peripheral blood mononuclear cells are able to phagocytize C. immitis arthroconidia and have the ability to inhibit its growth in vitro. That these abilities are independent of the immune status of the donor supports the possibility that the peripheral blood monocyte may contribute to the early defense against initial coccidioidal infection. 相似文献
11.
目的 分析不同季节及不同年龄段腹泻患儿感染轮状病毒(RV)与腺病毒(Eads)情况,为临床提供早期、快速、准确、可靠的依据,以便及时采取相应的治疗使患儿早日康复。方法 采用杭州艾博医药有限公司提供的轮状病毒(A组)/腺病毒检测试剂盒(乳胶法),对2012年1月至2015年12月浙江省人民医院门诊和住院就诊的3 368例腹泻儿童粪便标本进行轮状病毒和腺病毒抗原检测。结果 3 368例腹泻儿童粪便中,RV阳性578例占17.16%,Eads阳性106例占3.15%。11月至次年1月为轮状病毒感染的高发月份,1~3岁为儿童感染的高发年龄;腺病毒感染阳性率低,呈散发性。结论 杭州地区近年1~3岁婴幼儿的腹泻主要是由轮状病毒和腺病毒引起,其中轮状病毒感染率明显高于腺病毒,且有明显的季节性;而腺病毒感染呈散发流行,未表现出明显的季节性及年龄分布。 相似文献
12.
摘要 目的:分析新生儿重症监护室中极低和超低出生体重早产儿院内感染影响因素及病原菌分布变化情况。方法:选择2018年1月至2022年12月收治的493例极低和超低出生体重早产儿,根据是否发生院内感染,分为感染组(54例)与非感染组(439例)。比较两组新生儿的临床特征,使用多因素Logistic回归分析院内感染的影响因素,分析院内感染病原菌的分布及早期临床特点。结果:两组胎龄、出生体重、宫内窘迫占比、先天性心脏病占比、肠外营养持续时间>14 d的占比、机械通气时间>24 h的占比、PICC置管时间>14 d的占比、住院时间比较(P<0.05);经多因素Logistic回归分析,肠外营养持续时间>14 d、机械通气时间>24 h、PICC置管时间>14 d均是早产儿发生院内感染的独立危险因素(P<0.05);在54例院内感染患儿中,共培养出病原菌41株,其中革兰阳性菌10株,以表皮葡萄球菌为主;革兰阴性菌24株,以肺炎克雷伯杆菌为主;真菌7株,以白色假丝酵母菌为主;革兰阳性菌组、革兰阴性菌组与真菌组在胎龄、出生体重、反应低下、发热、消化系统症状、血小板减少、血氧下降或呼吸暂停上差异均无统计学意义(P>0.05)。结论:新生儿重症监护室中极低和超低出生体重早产儿院内感染与肠外营养持续时间、机械通气时间和PICC置管时间密切相关,病原菌以表皮葡萄球菌、肺炎克雷伯杆菌和白色假丝酵母菌为主,早期临床特点缺乏特异性,可作为防治院内感染的重要依据。 相似文献
13.
D Alagille 《Revue fran?aise de transfusion et immuno-hématologie》1985,28(6):571-579
Alpha-1-antitrypsin is a blood glycoprotein synthesized in the liver. It is a protease inhibitor of the serpine group and has a specific action for elastase. Alpha-1-antitrypsin electrophoresis shows about 20 phenotypes, the normal one being PiM. The allele PiZ is usually responsible for liver or lung disease in children or adults, respectively. Eleven per cent of PiZZ infants present with prolonged neonatal cholestasis. Twenty-five of 45 PiZZ infants with prolonged neonatal cholestasis presented with later cirrhosis. Persistence of jaundice beyond the sixth month of age, early development of splenomegaly, persistence of hard hepatomegaly and liver function abnormalities, and early portal fibrosis have a poor prognostic significance. The most severe course occurs in infants with an early histologic pattern of paucity of interlobular bile ducts. Portal hypertension was present in 19 of 25 children presenting with cirrhosis; 8 of 25 PiZZ children with cirrhosis died during childhood. 相似文献
14.
Chau Bich Nguyen Tran Hieu Trong Nguyen Ha Thanh Thi Phan Ngoc Van Tran Bridget Wills Jeremy Farrar Joseph D. Santangelo Cameron P. Simmons 《PloS one》2011,6(7)
Enterovirus 71 (EV71)-associated hand, foot and mouth disease has emerged as a serious public health problem in South East Asia over the last decade. To better understand the prevalence of EV71 infection, we determined EV71 seroprevalence and seroincidence amongst healthy infants and children in Ho Chi Minh City, Viet Nam. In a cohort of 200 newborns, 55% of cord blood samples contained EV71 neutralizing antibodies and these decayed to undetectable levels by 6 months of age in 98% of infants. The EV71 neutralizing antibody seroconversion rate was 5.6% in the first year and 14% in the second year of life. In children 5–15 yrs of age, seroprevalence of EV71 neutralizing antibodies was 84% and in cord blood it was 55%. Taken together, these data suggest EV71 force of infection is high and highlights the need for more research into its epidemiology and pathogenesis in high disease burden countries. 相似文献
15.
Approximately one-third of the laboratory-confirmed cases of Western equine encephalitis occur in children under the age of 10. The present paper describes three instances of Western equine encephalomyelitis virus infection in infants under one year of age, together with the resultant sequelae. The difficulties associated with diagnosis of central nervous system disturbances in very young children are discussed, and it is pointed out that in view of the frequent occurrence of clinical infections with the arthropod-borne encephalitis viruses these agents should be given serious consideration as a cause of acute central nervous system infection in childhood and as the possible etiology for obscure, severe neurological disturbances in the pediatric age groups. 相似文献
16.
Approximately one-third of the laboratory-confirmed cases of Western equine encephalitis occur in children under the age of 10. The present paper describes three instances of Western equine encephalomyelitis virus infection in infants under one year of age, together with the resultant sequelae. The difficulties associated with diagnosis of central nervous system disturbances in very young children are discussed, and it is pointed out that in view of the frequent occurrence of clinical infections with the arthropod-borne encephalitis viruses these agents should be given serious consideration as a cause of acute central nervous system infection in childhood and as the possible etiology for obscure, severe neurological disturbances in the pediatric age groups. 相似文献
17.
Relationship between bronchial hyperresponsiveness and impaired lung function after infantile asthma
Delacourt C Benoist MR Le Bourgeois M Waernessyckle S Rufin P Brouard JJ de Blic J Scheinmann P 《PloS one》2007,2(11):e1180
Wheezing during infancy has been linked to early loss of pulmonary function. We prospectively investigated the relation between bronchial hyperresponsiveness (BHR) and progressive impairment of pulmonary function in a cohort of asthmatic infants followed until age 9 years. We studied 129 infants who had had at least three episodes of wheezing. Physical examinations, baseline lung function tests and methacholine challenge tests were scheduled at ages 16 months and 5, 7 and 9 years. Eighty-three children completed follow-up. Twenty-four (29%) infants had wheezing that persisted at 9 years of age. Clinical outcome at age 9 years was significantly predicted by symptoms at 5 years of age and by parental atopy. Specific airway resistance (sRaw) was altered in persistent wheezers as early as 5 years of age, and did not change thereafter. Ninety-five per cent of the children still responded to methacholine at the end of follow-up. The degree of BHR at 9 years was significantly related to current clinical status, baseline lung function, and parental atopy. BHR at 16 months and 5 years of age did not predict persistent wheezing between 5 and 9 years of age, or the final degree of BHR, but it did predict altered lung function. Wheezing that persists from infancy to 9 years of age is associated with BHR and to impaired lung function. BHR itself is predictive of impaired lung function in children, strongly pointing to early airway remodeling in infantile asthma. 相似文献
18.
Chyong-Hsin Hsu Chia-Ying Lin Hsin Chi Jui-Hsing Chang Han-Yang Hung Hsin-An Kao Chun-Chih Peng Wai-Tim Jim 《PloS one》2014,9(10)
Objective
There is limited epidemiological data on the seasonality of respiratory syncytial virus (RSV) infection in subtropical climates, such as in Taiwan. This study aimed to assess RSV seasonality among children ≤24 months of age in Taiwan. We also assessed factors (gestational age [GA], chronologic age [CA], and bronchopulmonary dysplasia [BPD]) associated with RSV-associated hospitalization in preterm infants to confirm the appropriateness of the novel Taiwanese RSV prophylactic policy.Study Design
From January 2000 to August 2010, 3572 children aged ≤24-months were admitted to Taipei Mackay Memorial Hospital due to RSV infection. The monthly RSV-associated hospitalization rate among children aged ≤24 months was retrospectively reviewed. Among these children, 378 were born preterm. The associations between GA, CA, and BPD and the incidence of RSV-associated hospitalization in the preterm infants were assessed.Results
In children aged ≤24 months, the monthly distribution of RSV-associated hospitalization rates revealed a prolonged RSV season with a duration of 10 months. Infants with GAs ≤32 weeks and those who had BPD had the highest rates of RSV hospitalization (P<0.001). Preterm infants were most vulnerable to RSV infection within CA 9 months.Conclusions
Given that Taiwan has a prolonged (10-month) RSV season, the American Academy of Pediatrics'' recommendations for RSV prophylaxis are not directly applicable. The current Taiwanese guidelines for RSV prophylaxis, which specify palivizumab injection (a total six doses until CA 8–9 months) for preterm infants (those born before 286/7 weeks GA or before 356/7 weeks GA with BPD), are appropriate. This prophylaxis strategy may be applicable to other countries/regions with subtropical climates. 相似文献19.
Of 20 patients under 15 years of age with proven diagnoses of megacolon, ten were treated surgically with either partial colectomy or resection of the entire colon down to the rectosigmoid junction after thorough trial of medical management. Follow-up shows five of these patients as 100 per cent relieved, one as 75 per cent relieved. Three were entirely well a few months after operation but have not been heard from since. One died of peritonitis on the 16th postoperative day.In four cases in which lumbar sympathectomy was done, the result was partial, temporary or no improvement.Of the patients not operated upon, several have been lost to follow-up, some are doing well on medical treatment, one died in early infancy, and resection is being considered for two.For children with congenital megacolon the authors recommend first a thorough trial of medical treatment consisting of diet, vitamins, drugs and enemas. This should be started as soon as possible after the diagnosis is made, in an attempt to prevent the distention and hypertrophy of the bowel from progressing. If distention remains after a reasonable trial period and the child is not gaining weight adequately, requires repeated hospitalization, and is three years of age or more, then resection of the affected portion of the colon is indicated. The risk of operation has been somewhat reduced with better supportive measures and chemotherapy now available. Since infants and extremely young children do not stand operation on the colon as well as older children, decision to operate should take into consideration the age of the patient. In the reported series, the patient who died following operation was the youngest—2½ years of age. 相似文献
20.
目的 研究不同年龄段腹泻患儿肠道菌群分布特点,探讨不同年龄腹泻患儿肠道菌群与疾病的关联。方法 选取9例符合临床诊断标准的0~1岁婴儿腹泻患者和8例符合临床诊断标准的1~3岁幼儿腹泻患者的粪便样本,同时于健康儿童中随机选取6例粪便样本作为对照,提取各组对象粪便总DNA,采用PCR-DGGE进行菌群多样性与差异性分析。结果 0~1岁腹泻患儿肠道菌群与健康对照组相比,肠道菌群构成差异显著,条件致病菌巴黎链球菌数量显著增加。1~3岁腹泻患儿肠道菌群与健康对照组相比,条件致病菌解没食子酸链球菌、屎肠球菌数量显著增加,长双歧杆菌数量下降。结论 婴幼儿腹泻患者肠道菌群的构成与健康对照组相比差异显著,该特点可作为婴幼儿腹泻早期诊断的实验依据。 相似文献