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Chapter-08 Foam Sclerotherapy

BOOK TITLE: Sclerotherapy in Dermatology

Author
1. AS Savitha
2. S Sujala
ISBN
9789352702060
DOI
10.5005/jp/books/18040_9
Edition
1/e
Publishing Year
2018
Pages
10
Author Affiliations
1. Bangalore Medical College and Research Institute, Bengaluru, India, Victoria Hospital, Bangalore Medical College and Research Institute, Bengaluru, Karnataka, India, Sapthagiri Institute of Medical Sciences, Bengaluru, Karnataka, India, Sapthagiri Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India, Sapthagiri Institute of medical sciences and research institute, Bengaluru, Karnataka, India, Sapthagiri Institute of Medical Sciences and Research Center, Bengaluru, Karnataka, India, Saptagiri Institute of Medical Sciences and Research Center, Bengaluru, Karnataka, India
2. Sujala Polyclinic, Bengaluru, Karnataka, India
Chapter keywords
Foam sclerotherapy, peroperative foam sclerotherapy, PFS, foam stability, sclerosing agent, vessel wall, foam therapy, foam preparation

Abstract

Foam sclerotherapy has become widely used in recent years and has been found that the medium-term outcome is similar to that of surgery in varicose veins management. It has been shown that foam sclerosants are more effective than the same volume of liquid sclerosant of similar strength. Peroperative foam sclerotherapy (PFS) has been used to complete the more invasive parts of the surgical procedures. This chapter covers the history, methods of foam preparation, foam stability, types of foam, requirements, patient position, sclerosing agents, indications and contraindications, procedure, postprocedure, complications, and advantages of foam sclerotherapy. Foams can have different properties depending on the mode of preparation and the gas to air ratio (dilution factor). A higher concentration of sclerosant produces more viscous foam, which is more powerful and suitable for use in larger-caliber veins. When using foam sclerotherapy, there is a longer dwell time resulting in extended contact period with the vessel wall. The foam displaces blood from the vein creating an air block. This prevents rapid dilution and mixing with blood.

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