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Cupula Nhẹ: Có Hay Không Có?
Tóm tắt
Chứng chóng mặt tư thế lành tính từng đợt (BPPV) đại diện cho hình thức phổ biến nhất của chóng mặt tư thế. Nó được gây ra bởi sự rời ra của các otoconia tự do nổi trong các ống bán khuyên (canalolithiasis) hoặc bám vào cupula (cupulolithiasis). Một loại BPPV kiểu cupulolithiasis (hoặc kiểu cupula nặng) liên quan đến ống bán khuyên bên (LSCC) thể hiện chứng nháy mắt vị trí thay đổi theo hướng không trọng lực kéo dài (DCPN) trong bài kiểm tra xoay đầu. Tuy nhiên, trong một số trường hợp, trái với bất kỳ loại BPPV nào, DCPN kéo dài theo trọng lực không thể được giải thích bởi bất kỳ cơ chế nào của BPPV, và không phù hợp với các phân loại hiện tại. Gần đây, khái niệm cupula nhẹ đã được giới thiệu để chỉ sự DCPN kéo dài theo trọng lực. Trong nghiên cứu này, chúng tôi đã xem xét các đặc điểm lâm sàng của cupula nhẹ và thảo luận về các cơ chế và chiến lược điều trị có thể của tình trạng này. Khái niệm cupula nhẹ là một bổ sung hữu ích cho lý thuyết về chóng mặt và nháy mắt tư thế ngoại biên.
Từ khóa
#BPPV #cupula nhẹ #chóng mặt tư thế #nháy mắt vị trí #cơ chế #chiến lược điều trịTài liệu tham khảo
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