הבית לחולי טרשת נפוצה

תופעת אוהטהוף: ההשפעות של חום על אנשים עם טרשת נפוצה

מדוע אנשים עם טרשת נפוצה נוטים לחוות החמרה בתסמינים הנוירולוגיים כשחם בחוץ, בפעילות גופנית או אחרי אמבטיה חמה? האם זה מסוכן? מדריך

תסמינים נוירולוגים נוטים להופיע או להחמיר בקרב אנשים עם טרשת נפוצה כאשר טמפרטורת הגוף שלהם עולה. תופעה זו מכונה תופעת אוהטהוף (Uhthoff's phenomenon). התופעה תועדה במחקרים רבים שהעלו כי בתגובה לעליית חום הגוף – שיכולה לנבוע ממזג אוויר, מחלת חום, אמבטיה חמה או מאמץ גופני – מטופלים רבים עם טרשת נפוצה הולכים לאט יותר, עייפים יותר, ראייתם מטושטשת וחשיבתם איטית יותר.

בגלל תופעת אוהטהוף לאנשים עם טרשת נפוצה מומלץ לנסות להימנע מחום. עם זאת, חשוב לציין כי גם במידה שהייתה חשיפה לחום והתסמינים החמירו, מדובר במצב זמני.

התופעה של החמרה בתסמינים הנוירולוגים באנשים עם טרשת נפוצה בעקבות עלייה בחום הגוף תוארה לראשונה בשנת 1890 על ידי פרופ' ווילהם אוהטהוף שהבחין כי מטופלים חווים הפרעות בראייה אחרי פעילות גופנית או כשחום גופם עולה, למשל לאחר אמבטיה חמה. ב-1961 התופעה קיבלה את השם הרשמי – תופעת אוהטהוף.

לכתבה המלאה באתר "כמוני" לחצו כאן

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