Botulinum Neurotoxin Injection Manual by Katharine E. Alter MD & Nicole A. Wilson MD PhD

Author:Katharine E. Alter MD & Nicole A. Wilson MD PhD [Alter MD, Katharine E.]
Language: eng
Format: azw3, mobi, epub
Publisher: Demos Medical
Published: 2014-12-18T16:00:00+00:00

Evaluation

Evaluation of PHH and SHH should include a detailed history to determine the scope, pattern, and severity of the problem, as well as the impact of the excessive sweating on the patient’s function and quality of life.

Clinicians should consider administering the Minor’s iodine starch test (MIST) prior to and after injections to document the pattern and severity of sweating both pre- and postinjection (34). Patients should be instructed to shave their underarms the night before the appointment and to avoid over-the-counter or prescription deodorants or antiperspirants on the affected area for ≥24 hours prior to the MIST. Patients should also be instructed to avoid exercising or consuming hot drinks for at least 30 minutes prior to the test. The area to be tested (underarm, palm, or sole) should be patted dry with a towel and then immediately painted with iodine solution. Allow the area to dry completely and then lightly sprinkle the painted area with starch powder. Remove any excess starch powder by gently blowing on the area. Within 10 minutes, areas of HH will develop a deep blue or black color (34, 335).

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