The review found no eligible studies for this question.
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in loop ligation of myoma pseudocapsule plus vasopressin compared with placebo or no treatment (low certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in fibrin sealant patch (collagen sponge with thrombin and fibrinogen) compared with placebo or no treatment (low certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in misoprostol in abdominal myomectomy compared with placebo or no treatment (moderate certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in misoprostol in laparoscopic myomectomy compared with placebo or no treatment (moderate certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in vasopressin compared with placebo or no treatment (moderate certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in bupivicaine plus epinephrine compared with placebo or no treatment (low certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in intravenous injection of tranexamic acid compared with placebo or no treatment (low certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in gelatin‐thrombin matrix compared with placebo or no treatment (low certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in ascorbic acid compared with placebo or no treatment (low certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in dinoprostone (prostaglandin E2 analogue) compared with placebo or no treatment (low certainty).
Self‐management interventions including action plans for exacerbations probably leads to lower respiratory‐related hospital admissions compared with usual care (moderate certainty).
Self‐management interventions including action plans for exacerbations showed no clear difference in all‐cause hospital admissions compared with usual care (moderate certainty).
Self‐management interventions including action plans for exacerbations showed no clear difference in all‐cause mortality compared with usual care (moderate certainty).
It is very uncertain whether self‐management interventions including action plans for exacerbations changes respiratory‐related mortality compared with usual care (very low certainty).
Self‐management interventions including action plans for exacerbations showed no clear difference in courses of oral steroids compared with usual care (low certainty).
It is very uncertain whether behavioural interventions: theory informed cover letter changes retention [ compared with usual cover letter (very low certainty).