Nghiên cứu nhằm đánh giá sự thay đổi SjvO2 trong quá trình phẫu thuật bệnh nhân chấn thương sọ não nặng. Nghiên cứu tiến cứu mô tả trên 50 bệnh nhân chấn thương sọ não nặng được phẫu thuật. Chỉ số SjvO2 (đo liên tục tại hành tĩnh mạch cảnh) và ghi nhận giá trị tại các thời điểm: trước mổ (Ti), sau mở xương sọ (TỊ), sau mở màng cứng (T3), sau lấy khối choán chỗ (T4), và sau mổ 30 phút (TỊ). Kết quả cho thấy 52% bệnh nhân có SjvO2 bình thường, 32% SịvOỉ giảm và 16% SịvOỉ tăng. Chỉ số SjvO2 tăng có ý nghĩa sau mở xương sọ và màng cứng so với trước mổ (69,1 ± 13,2% và 70,3 ± 13,1% so với 61,8 ± 15,6%, p < 0,05). SjvO2 tăng lên sau mổ so với trước mổ ở các nhóm bệnh nhân có SjvO2< 55% và nhóm SjvO2 55 - 75% (p < 0,05), nhung thay đổi không đáng ở nhóm có SjvO2 > 75%. SjvO2 tăng lên đáng kể sau khi được mở hộp sọ và lấy khối chiếm chỗ ở các bệnh nhân chấn thương sọ não nặng có SjvO2 trước mổ bình thường hoặc giảm.
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Chia sẻ: Mịch Hương | Ngày: 29/03/2025 | Lượt xem: 326 | Lượt tải: 0
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