Abstract
Introduction and hypothesis
There is conflicting evidence on whether intermittent catheterization (IC) is less associated with urinary tract infection (UTI) and more likely to prevent urinary retention than continuous catheterization (CC). We aimed to compare the effect of IC with that of CC on the incidence of postpartum UTI, urinary retention and hemorrhage in laboring women with epidural analgesia.
Methods
Electronic searches were performed in PubMed, EMBASE and Cochrane Library from their inception to October 2018. We selected RCTs comparing IC with CC in laboring women with epidural analgesia. A meta-analysis was performed using the RevMan software, and a random-effects model was used to pool the effect size. The Grades of Recommendation, Assessment, Development and Evaluation (GRADE) approach was used to rate the quality of evidence.
Results
Six RCTs (N = 850) were included in this review. The meta-analyses indicated that there was no significant difference between the IC and CC group in the incidence of postpartum UTI (RR = 1.25, 95% CI: 0.91 to 1.71, P = 0.16), postpartum urinary retention (RR = 0.76, 95% CI: 0.21 to 2.77, P = 0.68) and postpartum hemorrhage (RR = 1.72, 95% CI: 0.60 to 4.95, P = 0.31). GRADE assessment results showed that the quality of evidence was low.
Conclusions
Based on the available evidence, there is no measurable difference in rates of UTI between CC and IC, not that neither stragety decreases UTI, since the included trials do not address this.
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Abbreviations
- IC:
-
Intermittent catheterization
- CC:
-
Continuous catheterization
- UTI:
-
Urinary tract infection
- RCT:
-
Randomized clinical trial
- RR:
-
Risk ratio
- CI:
-
Confidence interval
- GRADE:
-
Grades of Recommendation, Assessment, Development and Evaluation
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Acknowledgements
The authors thank Jinhui Tian and all members of the Evidence-Based Medicine Center, Lanzhou University, for their help with this study.
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Meixuan Li, Xin Xing and Liang Yao are co-first authors
Appendices
Appendix 1 Search strategy
PubMed
#1 urinary catheters[Mesh].
#2 intermittent urethral catheter*[Mesh].
#3 urinary catheters[Title/Abstract].
#4 continuous catheter*[Title/Abstract].
#5 transurethral catheter*[Title/Abstract].
#6 transurethral tube[Title/Abstract].
#7 urinary catheter*[Title/Abstract].
#8 urinary tube[Title/Abstract].
#9 urethral catheter*[Title/Abstract].
#10 urethral tube[Title/Abstract].
#11 intermittent urethral catheter*[Title/Abstract].
#12 techniques catheter*[Title/Abstract].
#13 intermittent self catheter*[Title/Abstract].
#14 clean intermittent catheter*[Title/Abstract].
#15 clean intermittent self-catheter*[Title/Abstract].
#16 “in–out” catheter*[Title/Abstract].
#17 intermittent urethral catheter*[Title/Abstract].
#18 urethral self catheter*[Title/Abstract].
#19 clean intermittent catheter*[Title/Abstract].
#20 bladder drainage[Title/Abstract].
#21 #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20.
#22 “labor, obstetric”[Mesh].
#23 labor[Title/Abstract].
#24 labour[Title/Abstract].
#25 childbirth[Title/Abstract].
#26 obstetric labor[Title/Abstract].
#27 #22 OR #23 OR #24 OR #25 OR #26 OR #27.
#28 #21 AND #27
EMBASE
#1 ‘urinary catheters’/exp.
#2 ‘intermittent urethral catheter*’[Mesh].
#3 ‘urinary catheters’: ti,ab,kw.
#4 ‘continuous catheter*’: ti,ab,kw.
#5 ‘transurethral catheter*’: ti,ab,kw.
#6 ‘transurethral tube’: ti,ab,kw.
#7 ‘urinary catheter*’: ti,ab,kw.
#8 ‘urinary tube’: ti,ab,kw.
#9 ‘urethral catheter*’: ti,ab,kw.
#10 ‘urethral tube’: ti,ab,kw.
#11 ‘intermittent urethral catheter*’: ti,ab,kw.
#12 ‘techniques catheter*’: ti,ab,kw.
#13 ‘intermittent self catheter*’: ti,ab,kw.
#14 ‘clean intermittent catheter*’: ti,ab,kw.
#15 ‘clean intermittent self-catheter*’: ti,ab,kw.
#16 ‘in–out catheter*’: ti,ab,kw.
#17 ‘intermittent urethral catheter*’: ti,ab,kw.
#18 ‘urethral self catheter*’: ti,ab,kw.
#19 ‘clean intermittent catheter*’: ti,ab,kw.
#20 ‘bladder drainage’: ti,ab,kw.
#21 #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20.
#22 ‘labor, obstetric’/exp.
#23 ‘labor’: ti,ab,kw.
#24 ‘labour’: ti,ab,kw.
#25 ‘childbirth’: ti,ab,kw.
#26 ‘obstetric labor’: ti,ab,kw.
#27 #22 OR #23 OR #24 OR #25 OR #26 OR #27.
#28 #21 AND #27
Cochrane library
#1 “urinary catheters”[Mesh]).
#2 “intermittent urethral catheter*”[Mesh].
#3 urinary catheters: ti,ab,kw.
#4 continuous catheter*: ti,ab,kw.
#5 transurethral catheter*: ti,ab,kw.
#6 transurethral tube: ti,ab,kw.
#7 urinary catheter*: ti,ab,kw.
#8 urinary tube: ti,ab,kw.
#9 urethral catheter*: ti,ab,kw.
#10 urethral tube: ti,ab,kw.
#11 intermittent urethral catheter*: ti,ab,kw.
#12 techniques catheter*: ti,ab,kw.
#13 intermittent self catheter*: ti,ab,kw.
#14 clean intermittent catheter*: ti,ab,kw.
#15 clean intermittent self-catheter*: ti,ab,kw.
#16 “in–out” catheter*: ti,ab,kw.
#17 intermittent urethral catheter*: ti,ab,kw.
#18 urethral self catheter*: ti,ab,kw.
#19 clean intermittent catheter*: ti,ab,kw.
#20 bladder drainage: ti,ab,kw.
#21 #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20.
#22 “labor, obstetric”[Mesh].
#23 labor: ti,ab,kw.
#24 labour: ti,ab,kw.
#25 childbirth: ti,ab,kw.
#26 obstetric labor: ti,ab,kw.
#27 #22 OR #23 OR #24 OR #25 OR #26 OR #27.
#28 #21 AND #27
Appendix 2
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Li, M., Xing, X., Yao, L. et al. The effect of bladder catheterization on the incidence of urinary tract infection in laboring women with epidural analgesia: a meta-analysis of randomized controlled trials. Int Urogynecol J 30, 1419–1427 (2019). https://doi.org/10.1007/s00192-019-03904-1
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DOI: https://doi.org/10.1007/s00192-019-03904-1
Keywords
- Labor
- Epidural analgesia
- Urinary catheter
- Continuous catheterization
- Intermittent catheterization
- Bladder drainage