Of course, physicians who have x-ray equipment and who can use the radiopaque dye technique are able thereby to obtain more accurate localization of the incompetent perforating veins than by physical examination alone. However, this requires technical training in cooperation with the radiologist for quick and accurate radiography, and for those who have such facilities available I agree that it is desirable.
I am aware of the reports concerning use of the continuous flow of oxygen over an ulcer which has been encased in an almost airtight polyethylene bag, but I have not used this technique and cannot comment on it specifically.
I cannot scientifically refute the late Dr. Harvey Allen's statement that dilute acetic acid decolorizes bacteria and does not eliminate the organism, but in our clinic dilute acetic acid has been helpful in clearing the infection.