Cochrane · systematic review · CD001532

Interventions for primary vesicoureteric reflux

Williams, G, Hodson, EM, Craig, JC · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

Kidney and TransplantAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
33
current version
GRADE rated
29
No studies
4
Included studies
NR
No studies 4 · 12.1%Ungraded 0 · 0%Very low 5 · 15.2%Low 16 · 48.5%Moderate 8 · 24.2%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Antibiotic prophylaxis versus surveillance or no treatment for primary vesicoureteric reflux

Population: primary VUR
6 questions
OutcomeEffectEvidenceStatus / GRADE
Symptomatic UTI by 1 to 2 years: antibiotics versus no prophylaxis
Antibiotic prophylaxis vs surveillance or no treatment
RR 0.77 [0.54, 1.09]9 studies · 1667 participantsLow
Febrile UTI by 1 to 2 years: antibiotics versus no prophylaxis
Antibiotic prophylaxis vs surveillance or no treatment
RR 0.83 [0.56, 1.21]9 studies · 1667 participantsLow
Symptomatic UTI; antibiotics versus placebo in trials with low risk of bias across all domains
Antibiotic prophylaxis vs surveillance or no treatment
RR 0.85 [0.4, 1.79]3 studies · 943 participantsModerate
Downgraded: imprecision, inconsistency
Resolution of VUR after 1 to 2 years: unit of analysis (children)
Antibiotic prophylaxis vs surveillance or no treatment
RR 1.46 [0.71, 2.99]3 studies · 262 participantsLow
Adverse events
Antibiotic prophylaxis vs surveillance or no treatment
RR 0.94 [0.81, 1.08]4 studies · 1056 participantsModerate
Downgraded: imprecision, inconsistency
Microbial resistance to prophylactic drug: unit of analysis (UTI)
Antibiotic prophylaxis vs surveillance or no treatment
RR 2.72 [1.85, 4]6 studies · 259 participantsModerate
Downgraded: imprecision, inconsistency

Surgical reimplantation of ureters plus antibiotics versus antibiotics alone for primary vesicoureteric reflux

Population: primary VUR
8 questions
OutcomeEffectEvidenceStatus / GRADE
All symptomatic UTI by 4 to 5 years: surgical correction + antibiotics versus antibiotics alone
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
RR 0.95 [0.67, 1.35]1 study · 297 participantsModerate
Downgraded: imprecision
Febrile UTI by 5 years: surgical correction + antibiotics versus antibiotics alone
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
RR 0.43 [0.27, 0.7]2 studies · 429 participantsModerate
Downgraded: risk of bias, imprecision
Repeat positive urine cultures by 4 to 5 years: surgical correction + antibiotics versus antibiotics alone
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
RR 0.99 [0.79, 1.26]3 studies · 479 participantsModerate
Downgraded: risk of bias, imprecision
New renal parenchymal defects (scars and thinning) on IVP: unit of analysis (children) at 4 to 5 years: surgical correction + antibiotics versus antibiotics alone
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
RR 1.09 [0.79, 1.49]4 studies · 572 participantsModerate
Downgraded: risk of bias, imprecision
ESKD
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
RR 1.07 [0.23, 5.04]2 studies · 154 participantsVery low
Downgraded: risk of bias, imprecision
Hypertension
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
RR 0.93 [0.25, 3.42]2 studies · 154 participantsVery low
Downgraded: risk of bias, imprecision
Correction of VUR: unit of analysis (children) after 3 years: surgical correction + antibiotics versus antibiotics alone
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
RR 1.29 [0.55, 3.05]1 study · 55 participantsVery low
Downgraded: risk of bias, imprecision
Number of UTI with microbial resistance (resistant organisms)
Surgical reimplantation of ureters plus antibiotics vs antibiotics alone
no estimate extractedNRNo studies

Endoscopic injection treatment versus antibiotics alone for primary vesicoureteric reflux

Population: primary VUR
6 questions
OutcomeEffectEvidenceStatus / GRADE
All symptomatic UTI by 1 to 2 years: endoscopic correction + antibiotics versus antibiotics alone
Endoscopic injection treatment vs antibiotics alone
RR 0.8 [0.37, 1.75]3 studies · 254 participantsLow
Downgraded: risk of bias
Febrile UTI by 1 to 2 years: endoscopic correction + antibiotics versus antibiotics alone
Endoscopic injection treatment vs antibiotics alone
RR 0.74 [0.31, 1.78]3 studies · 254 participantsLow
Downgraded: risk of bias
Repeat positive urine culture by 1 year
Endoscopic injection treatment vs antibiotics alone
RR 7.15 [0.42, 121.04]1 study · 60 participantsVery low
Downgraded: risk of bias
Total new and progressive Renal parenchymal abnormalities on DMSA scan at 1 to 2 years: endoscopic correction + antibiotics versus antibiotics alone (unit of analysis: children)
Endoscopic injection treatment vs antibiotics alone
RR 1.2 [0.36, 3.96]2 studies · 208 participantsLow
Downgraded: risk of bias
Resolution of VUR (grade 0) for endoscopic correction + antibiotics versus antibiotics alone (unit of analysis: children)
Endoscopic injection treatment vs antibiotics alone
RR 2.69 [1.57, 4.63]2 studies · 164 participantsLow
Downgraded: risk of bias
Microbial resistance to the prophylactic drug
Endoscopic injection treatment vs antibiotics alone
RR 0.63 [0.34, 1.15]1 study · 24 participantsVery low
Downgraded: risk of bias

Macroplastique versus dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux

Population: primary VUR
7 questions
OutcomeEffectEvidenceStatus / GRADE
Number of children with febrile UTI
Macroplastique vs dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux
RR 1.09 [0.45, 2.66]1 study · 255 participantsLow
Downgraded: risk of bias, imprecision
Number of children with afebrile UTI
Macroplastique vs dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux
RR 1.68 [0.52, 5.44]1 study · 72 participantsLow
Downgraded: risk of bias, imprecision
Number of ureters with persistent VUR > grade 1 at 1 year
Macroplastique vs dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux
RR 0.54 [0.35, 0.83]2 studies · 472 participantsModerate
Downgraded: risk of bias, imprecision
Number of kidneys with temporary renal dilatation after injection
Macroplastique vs dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux
RR 1.85 [1.02, 3.35]1 study · 114 participantsLow
Downgraded: risk of bias, imprecision
Ureteral obstruction
Macroplastique vs dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux
RR 1.46 [0.25, 8.66]1 study · 399 participantsLow
Downgraded: risk of bias, imprecision
Post operative flank pain
Macroplastique vs dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux
RR 1.45 [0.33, 6.36]1 study · 255 participantsLow
Downgraded: risk of bias, imprecision
New renal parenchymal defects on DMSA scan (kidney injury)
Macroplastique vs dextranomer/hyaluronic acid polymer (Deflux) to correct vesicoureteric reflux
no estimate extractedNRNo studies

Probiotics versus antibiotic prophylaxis for primary vesicoureteric reflux

Population: primary VUR
6 questions
OutcomeEffectEvidenceStatus / GRADE
All symptomatic UTI by 1 year
Probiotics vs antibiotic prophylaxis
RR 0.82 [0.56, 1.21]2 studies · 248 participantsLow
Downgraded: imprecision
Febrile UTI by 1 year
Probiotics vs antibiotic prophylaxis
RR 0.82 [0.37, 1.83]1 study · 120 participantsLow
Downgraded: imprecision
E. coli resistance to prophylactic drug
Probiotics vs antibiotic prophylaxis
RR 0.38 [0.21, 0.69]2 studies · 38 participantsLow
Downgraded: imprecision
Renal parenchymal defects on DMSA scan ‐ Patient data at 1 year
Probiotics vs antibiotic prophylaxis
RR 0.69 [0.43, 1.11]2 studies · 152 participantsLow
Downgraded: imprecision
Resolution of VUR
Probiotics vs antibiotic prophylaxis
no estimate extractedNRNo studies
Adverse events
Probiotics vs antibiotic prophylaxis
no estimate extractedNRNo studies