Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

415 questions · 442 findings · 58 reviews

No studies found 70 · 15.8%GRADE not reported 19 · 4.3%Very low 99 · 22.4%Low 137 · 31%Moderate 86 · 19.5%High 31 · 7%

Edaravone plus corticosteroids vs corticosteroids

Reduction in oedema (T2 hyperintensity) · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a diagnosis of brain…

Edaravone plus corticosteroids showed no clear difference in reduction in oedema (T2 hyperintensity) compared with corticosteroids (low certainty).

1 finding from 1 review

Edaravone plus corticosteroids vs corticosteroids

Reduction in post‐gadolinium enhancement · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a diagnosis of brain…

Edaravone plus corticosteroids showed no clear difference in reduction in post‐gadolinium enhancement compared with corticosteroids (low certainty).

1 finding from 1 review

Edaravone plus corticosteroids vs corticosteroids

Improvement in LENT/SOMA · people previously treated with radiosurgery or fractionated radiotherapy to the brain or head and neck region with a diagnosis of brain…

Edaravone plus corticosteroids may leads to higher improvement in LENT/SOMA compared with corticosteroids (low certainty).

1 finding from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Change in hearing threshold determined by PTA Range 0 dB to 140 dB Negative values represent lowering and positive values represent raising of the hearing threshold. A lower hearing threshold represents hearing improvement. Â · sudden sensorineural hearing loss

Intratympanic plus systemic corticosteroids (combined therapy) showed no clear difference in change in hearing threshold determined by PTA Range 0 dB to 140 dB… compared with systemic corticosteroids alone (low certainty).

2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Proportion of patients whose hearing is improved · sudden sensorineural hearing loss

It is very uncertain whether intratympanic plus systemic corticosteroids (combined therapy) changes proportion of patients whose hearing is improved compared with systemic corticosteroids alone (very low certainty).

2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Final hearing threshold determined by PTA (a lower value represents better hearing) · sudden sensorineural hearing loss

It is very uncertain whether intratympanic plus systemic corticosteroids (combined therapy) changes final hearing threshold determined by PTA A lower value represents… compared with systemic corticosteroids alone (very low certainty).

2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Adverse eventsb · sudden sensorineural hearing loss

The review found no eligible studies for this question.

2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Persistent tympanic membrane perforation · sudden sensorineural hearing loss
2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Vertigo/dizziness: timing not reported · sudden sensorineural hearing loss

The review found no eligible studies for this question.

2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Vertigo/dizziness: at the time of injection · sudden sensorineural hearing loss
2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Ear pain: timing not reported · sudden sensorineural hearing loss

The review found no eligible studies for this question.

2 findings from 1 review

Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone

Ear pain: at the time of injection · sudden sensorineural hearing loss
2 findings from 1 review

Antivirals plus corticosteroids vs corticosteroids plus placebo or no treatment

Incomplete recovery at end of study № of participants: 766 (3 RCTs) · Bell's palsy

Antivirals plus corticosteroids showed no clear difference in incomplete recovery at end of study № of participants: 766 (3 RCTs) compared with corticosteroids plus placebo or no treatment (AS versus OS) (low certainty).

1 finding from 1 review

Antivirals plus corticosteroids vs corticosteroids plus placebo or no treatment

Motor synkinesis or crocodile tears № of participants: 469 (2 RCTs) · Bell's palsy

Antivirals plus corticosteroids probably leads to lower motor synkinesis or crocodile tears № of participants: 469 (2 RCTs) compared with corticosteroids plus placebo or no treatment (AS versus OS) (moderate certainty).

1 finding from 1 review

Antivirals plus corticosteroids vs corticosteroids plus placebo or no treatment

Adverse events № of participants: 656 (2 RCTs) · Bell's palsy

It is very uncertain whether antivirals plus corticosteroids changes adverse events № of participants: 656 (2 RCTs) compared with corticosteroids plus placebo or no treatment (AS versus OS) (very low certainty).

1 finding from 1 review