Duration of treatment for asymptomatic bacteriuria during pregnancy

Background A previous Cochrane systematic review has shown that antibiotic drug treatment of asymptomatic bacteriuria in pregnant women substantially decreases the risk of pyelonephritis and reduces the risk of preterm delivery. However, it is not clear whether single‐dose therapy is as effective as...

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Veröffentlicht in:Cochrane database of systematic reviews 2015-11, Vol.2015 (11), p.CD000491-CD000491
Hauptverfasser: Widmer, Mariana, Lopez, Ivana, Gülmezoglu, A Metin, Mignini, Luciano, Roganti, Ariel
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container_end_page CD000491
container_issue 11
container_start_page CD000491
container_title Cochrane database of systematic reviews
container_volume 2015
creator Widmer, Mariana
Lopez, Ivana
Gülmezoglu, A Metin
Mignini, Luciano
Roganti, Ariel
Widmer, Mariana
description Background A previous Cochrane systematic review has shown that antibiotic drug treatment of asymptomatic bacteriuria in pregnant women substantially decreases the risk of pyelonephritis and reduces the risk of preterm delivery. However, it is not clear whether single‐dose therapy is as effective as longer conventional antibiotic treatment. Objectives To assess the effects of different durations of treatment for asymptomatic bacteriuria in pregnancy. Search methods We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (31 August 2015) and reference lists of identified articles. Selection criteria Randomized and quasi‐randomized trials comparing antimicrobial therapeutic regimens that differed in duration (particularly comparing single dose with longer duration regimens) in pregnant women diagnosed with asymptomatic bacteriuria. Data collection and analysis Two review authors independently assessed trials for inclusion and risk of bias, extracted data and checked them for accuracy. We assessed the quality of the evidence using the GRADE approach. Main results We included 13 studies, involving 1622 women. All were comparisons of single‐dose treatment with short‐course (four‐ to seven‐day) treatments. The risk of bias of trials included in this review was largely unclear, and most trials were at high risk of performance bias. The quality of the evidence was assessed using the GRADE approach. When the any antibiotic agent was used, the 'no cure' rate for asymptomatic bacteriuria in pregnant women was slightly lower for the short‐course treatment over the single‐dose treatment, although there was evidence of statistical heterogeneity (average risk ratio (RR) 1.28, 95% confidence interval (CI) 0.87 to 1.88; women = 1502, studies = 13; I² = 56%; very low quality evidence). Data from only good quality trials also showed better cure rates with short (four‐ to seven‐day) regimens of the same microbial agent (average RR 1.72, 95% CI 1.27 to 2.33; women = 803, studies = two; I² = 0%; high quality evidence). There was no clear difference in the recurrence of asymptomatic bacteriuria rate between treatment and control groups, whether the same or different microbial agents were used (RR 1.13, 95% CI 0.77 to 1.66; 445 women studies = eight; I² = 0%; very low quality evidence). Differences were detected for low birthweight babies, favoring a short course (four‐ to seven‐day treatment) of the same microbial agent, although the data come from a single tri
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However, it is not clear whether single‐dose therapy is as effective as longer conventional antibiotic treatment. Objectives To assess the effects of different durations of treatment for asymptomatic bacteriuria in pregnancy. Search methods We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (31 August 2015) and reference lists of identified articles. Selection criteria Randomized and quasi‐randomized trials comparing antimicrobial therapeutic regimens that differed in duration (particularly comparing single dose with longer duration regimens) in pregnant women diagnosed with asymptomatic bacteriuria. Data collection and analysis Two review authors independently assessed trials for inclusion and risk of bias, extracted data and checked them for accuracy. We assessed the quality of the evidence using the GRADE approach. Main results We included 13 studies, involving 1622 women. All were comparisons of single‐dose treatment with short‐course (four‐ to seven‐day) treatments. The risk of bias of trials included in this review was largely unclear, and most trials were at high risk of performance bias. The quality of the evidence was assessed using the GRADE approach. When the any antibiotic agent was used, the 'no cure' rate for asymptomatic bacteriuria in pregnant women was slightly lower for the short‐course treatment over the single‐dose treatment, although there was evidence of statistical heterogeneity (average risk ratio (RR) 1.28, 95% confidence interval (CI) 0.87 to 1.88; women = 1502, studies = 13; I² = 56%; very low quality evidence). Data from only good quality trials also showed better cure rates with short (four‐ to seven‐day) regimens of the same microbial agent (average RR 1.72, 95% CI 1.27 to 2.33; women = 803, studies = two; I² = 0%; high quality evidence). There was no clear difference in the recurrence of asymptomatic bacteriuria rate between treatment and control groups, whether the same or different microbial agents were used (RR 1.13, 95% CI 0.77 to 1.66; 445 women studies = eight; I² = 0%; very low quality evidence). Differences were detected for low birthweight babies, favoring a short course (four‐ to seven‐day treatment) of the same microbial agent, although the data come from a single trial (RR 1.65, 95% CI 1.06 to 2.57; 714 women; high quality evidence), but no differences were observed for preterm delivery (RR 1.17, 95% CI 0.77 to 1.78; women = 804; studies = three; I² = 23%; moderate quality) or pyelonephritis (RR 3.09, 95% CI 0.54 to 17.55; women = 102; studies = two; I² = 0%; very low quality evidence). Finally, single‐dose treatment of any microbial agent was associated with a decrease in reports of 'any side effects' (RR 0.70, 95% CI 0.56 to 0.88; 1460 women, studies = 12; I² = 9%; low quality evidence). Evidence was downgraded for risk of bias concerns in trials contributing data and for imprecise effect estimates (wide confidence intervals crossing the line of no effect, and in some cases, small studies with few events). Authors' conclusions A single‐dose regimen of antibiotics may be less effective than a short‐course (four‐ to seven‐day) regimen, but more evidence is needed from large trials measuring important outcomes, such as cure rate. Women with asymptomatic bacteriuria in pregnancy should be treated by the standard regimen of antibiotics until more data become available testing seven‐day treatment compared with shorter courses of three‐ or five‐day regimens.</description><identifier>ISSN: 1465-1858</identifier><identifier>EISSN: 1465-1858</identifier><identifier>EISSN: 1469-493X</identifier><identifier>DOI: 10.1002/14651858.CD000491.pub3</identifier><identifier>PMID: 26560337</identifier><language>eng</language><publisher>Chichester, UK: John Wiley &amp; Sons, Ltd</publisher><subject>Anti-Bacterial Agents - administration &amp; dosage ; Anti-Bacterial Agents - therapeutic use ; Anti‐Bacterial Agents ; Asymptomatic Infections ; Bacteriuria ; Bacteriuria - drug therapy ; Drug Administration Schedule ; Female ; Humans ; Infection during pregnancy ; Infectious disease ; Kidney disease ; Medicine General &amp; Introductory Medical Sciences ; Pregnancy ; Pregnancy &amp; childbirth ; Pregnancy Complications, Infectious ; Pregnancy Complications, Infectious - drug therapy ; Randomized Controlled Trials as Topic ; Treatment: asymptomatic infection ; Urinary tract infection ; Urinary tract infections</subject><ispartof>Cochrane database of systematic reviews, 2015-11, Vol.2015 (11), p.CD000491-CD000491</ispartof><rights>Copyright © 2015 The Cochrane Collaboration. Published by John Wiley &amp; Sons, Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4733-c8552051faabe7c9938e84086f64c7758e7f74f555c199c6a0de037265cd0a9b3</citedby><cites>FETCH-LOGICAL-c4733-c8552051faabe7c9938e84086f64c7758e7f74f555c199c6a0de037265cd0a9b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26560337$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Widmer, Mariana</creatorcontrib><creatorcontrib>Lopez, Ivana</creatorcontrib><creatorcontrib>Gülmezoglu, A Metin</creatorcontrib><creatorcontrib>Mignini, Luciano</creatorcontrib><creatorcontrib>Roganti, Ariel</creatorcontrib><creatorcontrib>Widmer, Mariana</creatorcontrib><title>Duration of treatment for asymptomatic bacteriuria during pregnancy</title><title>Cochrane database of systematic reviews</title><addtitle>Cochrane Database Syst Rev</addtitle><description>Background A previous Cochrane systematic review has shown that antibiotic drug treatment of asymptomatic bacteriuria in pregnant women substantially decreases the risk of pyelonephritis and reduces the risk of preterm delivery. However, it is not clear whether single‐dose therapy is as effective as longer conventional antibiotic treatment. Objectives To assess the effects of different durations of treatment for asymptomatic bacteriuria in pregnancy. Search methods We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (31 August 2015) and reference lists of identified articles. Selection criteria Randomized and quasi‐randomized trials comparing antimicrobial therapeutic regimens that differed in duration (particularly comparing single dose with longer duration regimens) in pregnant women diagnosed with asymptomatic bacteriuria. Data collection and analysis Two review authors independently assessed trials for inclusion and risk of bias, extracted data and checked them for accuracy. We assessed the quality of the evidence using the GRADE approach. Main results We included 13 studies, involving 1622 women. All were comparisons of single‐dose treatment with short‐course (four‐ to seven‐day) treatments. The risk of bias of trials included in this review was largely unclear, and most trials were at high risk of performance bias. The quality of the evidence was assessed using the GRADE approach. When the any antibiotic agent was used, the 'no cure' rate for asymptomatic bacteriuria in pregnant women was slightly lower for the short‐course treatment over the single‐dose treatment, although there was evidence of statistical heterogeneity (average risk ratio (RR) 1.28, 95% confidence interval (CI) 0.87 to 1.88; women = 1502, studies = 13; I² = 56%; very low quality evidence). Data from only good quality trials also showed better cure rates with short (four‐ to seven‐day) regimens of the same microbial agent (average RR 1.72, 95% CI 1.27 to 2.33; women = 803, studies = two; I² = 0%; high quality evidence). There was no clear difference in the recurrence of asymptomatic bacteriuria rate between treatment and control groups, whether the same or different microbial agents were used (RR 1.13, 95% CI 0.77 to 1.66; 445 women studies = eight; I² = 0%; very low quality evidence). Differences were detected for low birthweight babies, favoring a short course (four‐ to seven‐day treatment) of the same microbial agent, although the data come from a single trial (RR 1.65, 95% CI 1.06 to 2.57; 714 women; high quality evidence), but no differences were observed for preterm delivery (RR 1.17, 95% CI 0.77 to 1.78; women = 804; studies = three; I² = 23%; moderate quality) or pyelonephritis (RR 3.09, 95% CI 0.54 to 17.55; women = 102; studies = two; I² = 0%; very low quality evidence). Finally, single‐dose treatment of any microbial agent was associated with a decrease in reports of 'any side effects' (RR 0.70, 95% CI 0.56 to 0.88; 1460 women, studies = 12; I² = 9%; low quality evidence). Evidence was downgraded for risk of bias concerns in trials contributing data and for imprecise effect estimates (wide confidence intervals crossing the line of no effect, and in some cases, small studies with few events). Authors' conclusions A single‐dose regimen of antibiotics may be less effective than a short‐course (four‐ to seven‐day) regimen, but more evidence is needed from large trials measuring important outcomes, such as cure rate. Women with asymptomatic bacteriuria in pregnancy should be treated by the standard regimen of antibiotics until more data become available testing seven‐day treatment compared with shorter courses of three‐ or five‐day regimens.</description><subject>Anti-Bacterial Agents - administration &amp; dosage</subject><subject>Anti-Bacterial Agents - therapeutic use</subject><subject>Anti‐Bacterial Agents</subject><subject>Asymptomatic Infections</subject><subject>Bacteriuria</subject><subject>Bacteriuria - drug therapy</subject><subject>Drug Administration Schedule</subject><subject>Female</subject><subject>Humans</subject><subject>Infection during pregnancy</subject><subject>Infectious disease</subject><subject>Kidney disease</subject><subject>Medicine General &amp; Introductory Medical Sciences</subject><subject>Pregnancy</subject><subject>Pregnancy &amp; childbirth</subject><subject>Pregnancy Complications, Infectious</subject><subject>Pregnancy Complications, Infectious - drug therapy</subject><subject>Randomized Controlled Trials as Topic</subject><subject>Treatment: asymptomatic infection</subject><subject>Urinary tract infection</subject><subject>Urinary tract infections</subject><issn>1465-1858</issn><issn>1465-1858</issn><issn>1469-493X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RWY</sourceid><sourceid>EIF</sourceid><recordid>eNqFUUtPxCAYJEbjrqt_YdOjl65QCpSLiXZ9JZt40TOhlO7WtKVCq-m_l2YfWb144SOZ-WYGBoA5ggsEYXSDYkpQQpJFuoQQxhwt2j7DJ2A6AuGInB7dJ-DCuQ8IMeUROweTiBIKMWZTkC57K7vSNIEpgs5q2dW66YLC2EC6oW47U3tYBZlUnbZlb0sZ5P5s1kFr9bqRjRouwVkhK6evdnMG3h8f3tLncPX69JLerUIVM4xDlRASQYIKKTPNFOc40UkME1rQWDFGEs0KFheEEIU4V1TCXEPMfFaVQ8kzPAO3W13_1Frnyge1shKtLWtpB2FkKX4jTbkRa_MlGIxx5CPMwPVOwJrPXrtO1KVTuqpko03vBGIx55wmjHkq3VKVNc5ZXRxsEBRjA2LfgNg3MJqPHvPjkIe1_Zd7wv2W8F1WehDKqI31_v_o_nH5AZ6Jl9M</recordid><startdate>20151111</startdate><enddate>20151111</enddate><creator>Widmer, Mariana</creator><creator>Lopez, Ivana</creator><creator>Gülmezoglu, A Metin</creator><creator>Mignini, Luciano</creator><creator>Roganti, Ariel</creator><creator>Widmer, Mariana</creator><general>John Wiley &amp; 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Introductory Medical Sciences</topic><topic>Pregnancy</topic><topic>Pregnancy &amp; childbirth</topic><topic>Pregnancy Complications, Infectious</topic><topic>Pregnancy Complications, Infectious - drug therapy</topic><topic>Randomized Controlled Trials as Topic</topic><topic>Treatment: asymptomatic infection</topic><topic>Urinary tract infection</topic><topic>Urinary tract infections</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Widmer, Mariana</creatorcontrib><creatorcontrib>Lopez, Ivana</creatorcontrib><creatorcontrib>Gülmezoglu, A Metin</creatorcontrib><creatorcontrib>Mignini, Luciano</creatorcontrib><creatorcontrib>Roganti, Ariel</creatorcontrib><creatorcontrib>Widmer, Mariana</creatorcontrib><collection>Wiley-Blackwell Cochrane Library</collection><collection>Cochrane Library</collection><collection>Cochrane Library (Open Aceess)</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Cochrane database of systematic reviews</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Widmer, Mariana</au><au>Lopez, Ivana</au><au>Gülmezoglu, A Metin</au><au>Mignini, Luciano</au><au>Roganti, Ariel</au><au>Widmer, Mariana</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Duration of treatment for asymptomatic bacteriuria during pregnancy</atitle><jtitle>Cochrane database of systematic reviews</jtitle><addtitle>Cochrane Database Syst Rev</addtitle><date>2015-11-11</date><risdate>2015</risdate><volume>2015</volume><issue>11</issue><spage>CD000491</spage><epage>CD000491</epage><pages>CD000491-CD000491</pages><issn>1465-1858</issn><eissn>1465-1858</eissn><eissn>1469-493X</eissn><abstract>Background A previous Cochrane systematic review has shown that antibiotic drug treatment of asymptomatic bacteriuria in pregnant women substantially decreases the risk of pyelonephritis and reduces the risk of preterm delivery. However, it is not clear whether single‐dose therapy is as effective as longer conventional antibiotic treatment. Objectives To assess the effects of different durations of treatment for asymptomatic bacteriuria in pregnancy. Search methods We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (31 August 2015) and reference lists of identified articles. Selection criteria Randomized and quasi‐randomized trials comparing antimicrobial therapeutic regimens that differed in duration (particularly comparing single dose with longer duration regimens) in pregnant women diagnosed with asymptomatic bacteriuria. Data collection and analysis Two review authors independently assessed trials for inclusion and risk of bias, extracted data and checked them for accuracy. We assessed the quality of the evidence using the GRADE approach. Main results We included 13 studies, involving 1622 women. All were comparisons of single‐dose treatment with short‐course (four‐ to seven‐day) treatments. The risk of bias of trials included in this review was largely unclear, and most trials were at high risk of performance bias. The quality of the evidence was assessed using the GRADE approach. When the any antibiotic agent was used, the 'no cure' rate for asymptomatic bacteriuria in pregnant women was slightly lower for the short‐course treatment over the single‐dose treatment, although there was evidence of statistical heterogeneity (average risk ratio (RR) 1.28, 95% confidence interval (CI) 0.87 to 1.88; women = 1502, studies = 13; I² = 56%; very low quality evidence). Data from only good quality trials also showed better cure rates with short (four‐ to seven‐day) regimens of the same microbial agent (average RR 1.72, 95% CI 1.27 to 2.33; women = 803, studies = two; I² = 0%; high quality evidence). There was no clear difference in the recurrence of asymptomatic bacteriuria rate between treatment and control groups, whether the same or different microbial agents were used (RR 1.13, 95% CI 0.77 to 1.66; 445 women studies = eight; I² = 0%; very low quality evidence). Differences were detected for low birthweight babies, favoring a short course (four‐ to seven‐day treatment) of the same microbial agent, although the data come from a single trial (RR 1.65, 95% CI 1.06 to 2.57; 714 women; high quality evidence), but no differences were observed for preterm delivery (RR 1.17, 95% CI 0.77 to 1.78; women = 804; studies = three; I² = 23%; moderate quality) or pyelonephritis (RR 3.09, 95% CI 0.54 to 17.55; women = 102; studies = two; I² = 0%; very low quality evidence). Finally, single‐dose treatment of any microbial agent was associated with a decrease in reports of 'any side effects' (RR 0.70, 95% CI 0.56 to 0.88; 1460 women, studies = 12; I² = 9%; low quality evidence). Evidence was downgraded for risk of bias concerns in trials contributing data and for imprecise effect estimates (wide confidence intervals crossing the line of no effect, and in some cases, small studies with few events). Authors' conclusions A single‐dose regimen of antibiotics may be less effective than a short‐course (four‐ to seven‐day) regimen, but more evidence is needed from large trials measuring important outcomes, such as cure rate. Women with asymptomatic bacteriuria in pregnancy should be treated by the standard regimen of antibiotics until more data become available testing seven‐day treatment compared with shorter courses of three‐ or five‐day regimens.</abstract><cop>Chichester, UK</cop><pub>John Wiley &amp; Sons, Ltd</pub><pmid>26560337</pmid><doi>10.1002/14651858.CD000491.pub3</doi><oa>free_for_read</oa></addata></record>
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subjects Anti-Bacterial Agents - administration & dosage
Anti-Bacterial Agents - therapeutic use
Anti‐Bacterial Agents
Asymptomatic Infections
Bacteriuria
Bacteriuria - drug therapy
Drug Administration Schedule
Female
Humans
Infection during pregnancy
Infectious disease
Kidney disease
Medicine General & Introductory Medical Sciences
Pregnancy
Pregnancy & childbirth
Pregnancy Complications, Infectious
Pregnancy Complications, Infectious - drug therapy
Randomized Controlled Trials as Topic
Treatment: asymptomatic infection
Urinary tract infection
Urinary tract infections
title Duration of treatment for asymptomatic bacteriuria during pregnancy
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