全球精选文摘 - 对胎膜早破患者应用抗生素不能根治羊膜腔内感染

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对胎膜早破患者应用抗生素不能根治羊膜腔内感染

Antibiotic administration to patients with preterm premature rupture of membranes does not eradicate intra-amniotic infection

Gomez R, Romero R, Nien JK 2009/5/27 10:50:39

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J Matern Fetal Neonatal Med, 2007,

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Abstract
Objective:
Antibiotic administration has become part of the standard of care for patients with preterm premature rupture of membranes (PROM). Yet, the natural history of intrauterine infection/inflammation during antibiotic therapy remains largely unknown. This study was conducted to determine if antibiotic administration to the mother eradicates intra-amniotic infection and/or reduces the frequency of intra-amniotic inflammation, a risk factor for impending preterm labor/delivery and adverse neonatal outcome.

Methods:
A subset of patients with preterm PROM admitted to our institution underwent amniocenteses before and after antibiotic administration in order to guide clinical management. Amniotic fluid analysis consisted of a Gram stain, culture for aerobic and anaerobic bacteria as well as genital mycoplasmas, and amniotic fluid white blood cell (WBC) count. Microbial invasion of the amniotic cavity (MIAC) was defined as a positive amniotic fluid culture. Intra-amniotic inflammation was defined as an amniotic fluid WBC count ≥ 100/mm3. Patients were given antibiotics and steroids after the 24th week of gestation. Antibiotic treatment consisted of ampicillin and erythromycin for 7 days for patients without evidence of intra-amniotic inflammation or MIAC, and ceftriaxone, clindamycin and erythromycin for 10–14 days for those with intra-amniotic inflammation or MIAC.

Results:
Forty-six patients with preterm PROM whose first amniocentesis was performed between 18 and 32 weeks (median 27.4 weeks) were included in the study. The overall prevalence of intra-amniotic inflammation in the first amniocentesis was 39% (18/46). Seven had a positive amniotic fluid culture for microorganisms. At the time of the second amniocentesis, six of the seven patients with a positive amniotic fluid culture had microorganisms. Of 18 patients with intra-amniotic inflammation at admission, only three showed no evidence of inflammation after antibiotic treatment. Among patients with no evidence of intra-amniotic inflammation at admission, 32% (9/28) developed inflammation despite therapy. Five of these nine patients had positive amniotic fluid cultures.

Conclusions:
(1) Antibiotic administration (ceftriaxone, clindamycin, and erythromycin) rarely eradicates intra-amniotic infection in patients with preterm PROM; (2) intra-amniotic inflammation developed in one-third of patients who did not have inflammation at admission, despite antibiotic administration; (3) a sub-group of patients with documented inflammation of the amniotic cavity demonstrated a decrease in the intensity of the inflammatory process after antibiotic administration

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疾病资源中心

高血压	慢性阻塞性肺病
脂肪性肝病	糖尿病
卒中	肺癌
冠心病	子宫内膜异位症
结直肠癌	乳腺癌
心力衰竭	心律失常

病例分析 [栏目介绍]

甲状腺功能亢进合并黄疸

王燕燕王曙

上海交通大学附属瑞金医院内分泌科

患者，女，69岁。2009年1月无明显诱因下出现乏力，当时程度较轻，未予以重视。2009年3月患者乏力症状加重，尿色逐渐加深，大便习惯改变，颜色变淡。4月18日入我院感染科治疗，诉轻度头晕、心慌，体重减轻10kg。无肝区疼痛，无发热，无腹痛、腹泻、腹胀、里急后重，无恶性、呕吐等。入院半月前于外院就诊，查肝功能：ALT 601IU/L，AST 785IU/L，TBIL 97.7umol/L，白蛋白 41g/L，甲状腺功能：游离T3 30.6pmol/L，游离T4 51.9pmol/L，心电图示快速房颤。

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