Tin tức và sự kiện

Liệu pháp xạ trị mới cho bệnh nhân ung thư phổi

Cập nhật lúc: 8:49:55 SA - 19/03/2010

(LĐĐT) - Một kết quả nghiên cứu mới được đăng tải trên tạp chí của Hiệp hội Y khoa Mỹ (AMA) cho biết chiếu thẳng các chùm tia bức xạ mạnh một cách chính xác vào các khối u có thể giúp kiểm soát sự phát triển của những khối u này, và giúp những người bị mắc bệnh ung thư phổi mà không thể phẫu thuật sống lâu hơn

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Ung thư phổi là một trong những chứng ung thư gây ra tử vong hàng đầu.

 

Nghiên cứu do tiến sỹ Robert Timmerman và các đồng nghiệp thuộc Đại học Texas tiến hành cho biết liệu pháp xạ trị cường độ mạnh có thể làm tăng hiệu quả kiểm soát đối với các khối u gốc so với liệu pháp xạ trị thông thường trong các nghiên cứu trước đây.

 

Kết quả nghiên cứu này có thể tạo ra những bước quan trọng trong cuộc chiến chống lại căn bệnh ung thư phổi.

 

Tiến sỹ Timmerman cho biết, việc kiểm soát khối u gốc là một yêu cầu quan trọng đối với việc chữa trị bệnh ung thư phổi. Những bệnh nhân bị ung thư phổi ở giai đoạn đầu thường được điều trị với phương pháp xạ trị thông thường hoặc không điều trị gì.

 

Điều này khiến cho bệnh ung thư phát triển nhanh chóng và giết chết khoảng 60% bệnh nhân trong vòng hai năm.

 

Trong nghiên cứu của mình, các nhà khoa học Mỹ đã nghiên cứu 55 bệnh nhân với các khối u phổi to mà các điều kiện y tế không cho phép được phẫu thuật. Liệu pháp xạ trị được sử dụng kéo dài từ khoảng 1,5 đến 2 tuần.

 

Sau ba năm điều trị, có 48,3% bệnh nhân nói trên thoát khỏi căn bệnh ung thư phổi và hơn một nửa, khoảng 55,8%, trong số bệnh nhân này sống được ba năm. Nhìn chung, có khoảng 20% bệnh nhân bị chết vì ung thư phổi.

 

Kết quả cũng cho thấy mặc dù phương pháp xạ trị cường độ mạnh có thể giúp kiểm soát các khối u trong phổi, nhưng vẫn có khoảng 22% bệnh nhân có các khối u lan sang các bộ phận khác của cơ thể.

 

Mặc dù vậy, theo lời tiến sỹ Timmerman thì liệu pháp xạ trị này có thể đem lại một giải pháp mới với những những kết quả tốt hơn trong việc điều trị các bệnh nhân bị ung thư phổi giai đoạn đầu mà không thể phẫu thuật.

 

Ung thư phổi là một trong những nguyên nhân hàng đầu gây ra tử vong do bị ung thư trên toàn cầu. Hiện nay, có ba cách để điều trị căn bệnh này là phẫu thuật để cắt bỏ ung thư; dùng thuốc tiêu diệt tế bào ung thư (hóa trị), và X-quang liều cao tiêu diệt tế bào ung thư (xạ trị).

 
 
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