Outcome of microbial invasion of amniotic cavity in the preterm premature rupture of membranes

Microbial invasion of amniotic cavity occurs in 30 to 50% of patients with premature membrane rupture. To determine the outcomes associated with microbial invasion of the amniotic cavity (MIAC) in patients with preterm premature rupture of membrane (pPROM). One hundred thirty four patients with pret...

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Veröffentlicht in:Revista medíca de Chile 2005-01, Vol.133 (1), p.51-61
Hauptverfasser: Ovalle S, Alfredo, Gómez M, Ricardo, Martínez T, M Angélica, Kakarieka W, Elena, Fuentes G, Ariel, Aspillaga M, Carlos, Ferrand M, Pedro, Ramírez F, Carlos
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Zusammenfassung:Microbial invasion of amniotic cavity occurs in 30 to 50% of patients with premature membrane rupture. To determine the outcomes associated with microbial invasion of the amniotic cavity (MIAC) in patients with preterm premature rupture of membrane (pPROM). One hundred thirty four patients with preterm pPROM between 24 and 34 weeks of pregnancy, without clinical infection or labor, were studied. Cultures were obtained by transabdominal amniocentesis from the amniotic fluid and the lower genital tract. Four groups of MIAC were observed: MIAC1: due to S. agalactiae, F. nucleatum or H. influenzae as only etiologic agents, MIAC2: due to other bacteria, alone or mixed, MIAC3: due to U. urealyticum as only etiologic agent, MIAC0: No MIAC and no infection of the lower genital tract. Study patients received antibiotics and were managed expectantly until 35 weeks unless clinical chorioamnionitis developed or an amniotic fluid culture returned positive for S. agalactiae, F. nucleatum or H. influenzae. Ninety six patients were enrolled: MIAC1 (n=11), MIAC2 (n=30), MIAC3 (n=19) and MIAC0 (n=36). Clinical chorioamnionitis was more common in patients with MIAC1 than those with MIAC3 (p
ISSN:0034-9887