聽過偏頭暈嗎？常被誤為貧血
<p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span style="FONT-FAMILY: '新細明體','serif'; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast">【聯合報</span><span style="FONT-FAMILY: 細明體; COLOR: #414141; FONT-SIZE: 11.5pt; mso-bidi-font-family: 細明體">╱</span><span style="font-family: '新細明體','serif'; color: rgb(65, 65, 65); font-size: 11.5pt;">張滋圃／台中慈濟醫院神經內科主治醫師】</span></p><p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><br><span style="FONT-FAMILY: '新細明體','serif'; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast"></span><span lang="EN-US"><o:p></o:p></span></p>
<p style="LINE-HEIGHT: 190%"><span style="LINE-HEIGHT: 190%; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><font face="新細明體">您一定聽過偏頭痛，但您有聽過偏頭暈嗎？偏頭暈是慢性頭暈常見原因，但鮮少被一般人了解，許多患者被頭暈困擾多年，徘徊在神經內科、耳鼻喉科，甚至身心醫學科，接受各種複雜檢查仍找不出病因。</font></span><span style="LINE-HEIGHT: 190%; FONT-FAMILY: 'Arial','sans-serif'; COLOR: #414141; FONT-SIZE: 11.5pt"> <span lang="EN-US"><o:p></o:p></span></span></p>
<p style="LINE-HEIGHT: 190%"><span style="LINE-HEIGHT: 190%; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><font face="新細明體">余小姐被頭暈困擾三年多，平時就常覺得頭暈暈、重重的，眼球也有重重的感覺。生理期、壓力大或睡眠不足時，就會特別暈，覺得天旋地轉，腳底輕浮，伴隨後腦勺頭痛和肩頸痠痛。另一位陳小姐從小就會暈車，長途行車一定得準備暈車藥，她的兩個妹妹都有暈眩的困擾，二妹有慢性偏頭痛和嚴重的暈車體質。</font></span><span style="LINE-HEIGHT: 190%; FONT-FAMILY: 'Arial','sans-serif'; COLOR: #414141; FONT-SIZE: 11.5pt"> <span lang="EN-US"><o:p></o:p></span></span></p>
<p style="LINE-HEIGHT: 190%"><span style="LINE-HEIGHT: 190%; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><font face="新細明體">頭暈數年以上，沒有明顯聽力異常或腦神經症狀患者，內耳沒有損壞，腦部也完好，更沒有得精神病，只是慢性生理失調，就是「偏頭暈」。偏頭暈正式名稱為前庭性偏頭痛或偏頭痛性眩暈，是僅次於耳石脫落症的第二常見眩暈症，並可能是非眩暈性慢性頭暈最常見原因。</font></span><span style="LINE-HEIGHT: 190%; FONT-FAMILY: 'Arial','sans-serif'; COLOR: #414141; FONT-SIZE: 11.5pt"> <span lang="EN-US"><o:p></o:p></span></span></p>
<p style="LINE-HEIGHT: 190%"><span style="LINE-HEIGHT: 190%; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><font face="新細明體">偏頭暈好發年輕至更年期女性，病理機轉和偏頭痛類似，可能與腦部血清張力素、正腎上腺素等調和後腦末梢血管良性循環障礙有關。有些病人有遺傳性，高達七成患者有暈車體質。</font></span><span style="LINE-HEIGHT: 190%; FONT-FAMILY: 'Arial','sans-serif'; COLOR: #414141; FONT-SIZE: 11.5pt"> <span lang="EN-US"><o:p></o:p></span></span></p>
<p style="LINE-HEIGHT: 190%"><span style="LINE-HEIGHT: 190%; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><font face="新細明體">偏頭暈的症狀為反覆發作的眩暈或持續性頭暈。此病雖與偏頭痛有關，卻只有半數病人暈眩時伴隨頭痛，大部分病人，暈眩和頭痛獨立發生，暈眩時不頭痛，頭痛時不暈眩。</font></span><span style="LINE-HEIGHT: 190%; FONT-FAMILY: 'Arial','sans-serif'; COLOR: #414141; FONT-SIZE: 11.5pt"> <span lang="EN-US"><o:p></o:p></span></span></p>
<p style="LINE-HEIGHT: 190%"><span style="LINE-HEIGHT: 190%; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><font face="新細明體">還有一部分病人，很少頭痛，造成診斷困難。不過，這類病人通常仍具有偏頭暈特徵，如伴隨肩頸痠痛、眼睛痠痛，起起伏伏的視力模糊、畏光、怕吵、多夢等。另外，頭暈容易在睡眠不足、壓力大或飢餓、經期前後惡化，常誤以為是貧血。</font></span><span style="LINE-HEIGHT: 190%; FONT-FAMILY: 'Arial','sans-serif'; COLOR: #414141; FONT-SIZE: 11.5pt"> <span lang="EN-US"><o:p></o:p></span></span></p>
<p style="LINE-HEIGHT: 190%"><span style="LINE-HEIGHT: 190%; COLOR: #414141; FONT-SIZE: 11.5pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial"><font face="新細明體">偏頭暈可以預防，最重要的是規律生活作息，充足睡眠、持續運動，儘量減少食用發酵過的乳製品、味精、醃製品和柑橘類水果，咖啡、酒也要儘量少喝。藥物治療上，醫師可視患者情況，開立一般偏頭痛預防等用藥。</font></span><span style="LINE-HEIGHT: 190%; FONT-FAMILY: 'Arial','sans-serif'; COLOR: #414141; FONT-SIZE: 11.5pt"> <span lang="EN-US"><o:p></o:p></span></span></p>