Practice guideline of sclerotherapy for venous malformation using absolute ethanol

Title: Practice guideline of sclerotherapy for venous malformation using absolute ethanol
Edition: Original
Classification: Standard guideline
Field: Treatment
Countries and regions: China
Guidelines users: Specialists in vascular interventional medicine, vascular surgery, etc. who specialize in sclerotherapy of venous malformations
Evidence classification method: Class I: (1) High-quality randomized controlled trial with statistically significant difference or no statistically significant difference but narrow confidence intervals. (2) Systematic review of Class I randomized controlled trials (and study results were homogeneous). Class II: (1) Lesser-quality randomized controlled trial (eg, 80% follow-up, no blinding, or improper randomization). (2) Prospectived comparative study. (3) Systematic review of Class II studies or Class I studies with inconsistent results. (4) Case-control study. (5) Retrospective comparative study. (5) Systematic review of Class II studies. Class III: (1) Case series. (2) Expert opinion.
Development unit: Vascular Malformations Panel of International Union of Angiology (IUA), China and China Association for Promotion of Health Science and Technology
Registration time: 2024-09-02
Registration number: PREPARE-2024CN375
Purpose of the guideline: Sclerotherapy has become the first-line treatment for venous malformations (VMs), especially absolute ethanol interventional sclerotherapy for VMs has achieved satisfactory clinical results. However, with the promotion and application of this technology, many clinicians will face many confusions. This guideline invites domestic experts in this field to make suggestions on the clinical operation points, technical details and perioperative precautions of absolute ethanol interventional sclerotherapy for VMs for reference by clinicians who are committed to absolute ethanol interventional sclerotherapy for VMs.