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Evidence found and GRADE certainty

4,710 questions · 14,842 findings · 1,394 reviews

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No studies found 2,880 · 19.4%GRADE not reported 1,413 · 9.5%Very low 3,103 · 20.9%Low 3,870 · 26.1%Moderate 2,663 · 17.9%High 913 · 6.2%

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Any preprocedural mouth rinse vs Placebo, no rinsing or control

Acceptability and feasibility of the intervention to patients and dental healthcare providers · People undergoing aerosol-generating procedures (AGPs) in a dental setting

The review found no eligible studies for this question.

1 finding from 1 review

Antibiotic prophylaxis before dental procedure vs placebo or no prophylaxis

Development of endocarditis due to other (non-dental) causes · Adults or children at increased risk of bacterial endocarditis (pre-existing cardiac condition) undergoing an invasive dental procedure

The review found no eligible studies for this question.

1 finding from 1 review

Metronidazole gel 25% (local antibiotic) vs Placebo gel

Presence of dry socket · Adults (>18 years) having permanent tooth extraction (predominantly mandibular third molars)

Metronidazole gel (25%, intrasocket) showed no clear difference in presence of dry socket compared with placebo gel; GRADE not reported.

1 finding from 1 review

Summary of findings: anti‐pseudomonal antibiotics vs placebo

Frequency of hospital admissions for pulmonary exacerbations ‐ not measured · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

Summary of findings: anti‐pseudomonal antibiotics may leads to lower pulmonary exacerbations: frequency of one or more hospital admissions compared with placebo (low certainty).

1 finding from 1 review

Summary of findings: anti‐pseudomonal antibiotics vs placebo

Survival: number of deaths · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

Summary of findings: anti‐pseudomonal antibiotics showed no clear difference in survival: number of deaths compared with placebo (low certainty).

1 finding from 1 review

Summary of findings: continuous cycles alternating aztreonam lysine for inhalation with tobramycin for inhalation solution vs continuous cycles alternating placebo with tobramycin

FEV1 (% predicted): mean change from baseline · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen
1 finding from 1 review

Summary of findings: continuous cycles alternating aztreonam lysine for inhalation with tobramycin for inhalation solution vs continuous cycles alternating placebo with tobramycin

FVC · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings: continuous cycles alternating aztreonam lysine for inhalation with tobramycin for inhalation solution vs continuous cycles alternating placebo with tobramycin

Pulmonary exacerbations: rate of PDEs per participant year · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

Summary of findings: continuous cycles alternating aztreonam lysine… showed no clear difference in pulmonary exacerbations: rate of PDEs per participant year compared with continuous cycles alternating placebo with tobramycin (low certainty).

1 finding from 1 review

Summary of findings: continuous cycles alternating aztreonam lysine for inhalation with tobramycin for inhalation solution vs continuous cycles alternating placebo with tobramycin

Quality of life: respiratory domain · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen
1 finding from 1 review

Summary of findings: continuous cycles alternating aztreonam lysine for inhalation with tobramycin for inhalation solution vs continuous cycles alternating placebo with tobramycin

Survival · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings: continuous cycles alternating aztreonam lysine for inhalation with tobramycin for inhalation solution vs continuous cycles alternating placebo with tobramycin

Antibiotic resistance: change from baseline in P aeruginosa CFU/g of sputum at week 24 · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen
1 finding from 1 review

Summary of findings: continuous cycles alternating aztreonam lysine for inhalation with tobramycin for inhalation solution vs continuous cycles alternating placebo with tobramycin

Adverse events: any adverse event in the comparative phase · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

Summary of findings: continuous cycles alternating aztreonam lysine… showed no clear difference in adverse events: any adverse event in the comparative phase compared with continuous cycles alternating placebo with tobramycin (low certainty).

1 finding from 1 review

Summary of findings: anti‐pseudomonal antibiotics vs placebo

Antibiotic resistance: frequency of tobramycin‐resistant P aeruginosa · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

Summary of findings: anti‐pseudomonal antibiotics showed no clear difference in antibiotic resistance: frequency of tobramycin‐resistant P aeruginosa compared with placebo (moderate certainty).

1 finding from 1 review

Virus vaccines vs placebo

Incidence of the common cold Number of participants with common cold by group · young, healthy men in a military facility

It is very uncertain whether virus vaccines changes incidence of the common cold Number of participants with common cold… compared with placebo (very low certainty).

1 finding from 1 review

Virus vaccines vs placebo

Mortality: vaccine related and all cause ‐ not reported · young, healthy men in a military facility

The review found no eligible studies for this question.

1 finding from 1 review