當血壓長期處於過高狀態的時候,便有機會出現心臟肥大(Cardiac hypertrophy)的情況。443Please respect copyright.PENANAwLNFkXe6zi443Please respect copyright.PENANA5wihxLum2w
443Please respect copyright.PENANAEJmiWI9y6P
443Please respect copyright.PENANAipek5vqbQm
(圖2)心臟的肌肉會利用收縮及膨脹的舉動把血液送到全身,如果血壓高企的話,心臟肌肉細胞便會自行膨脹增大,好使心臟有更強力量抵禦血液帶來的壓力,且能繼續維持正常功能把血液送往全身。443Please respect copyright.PENANAJQvaW0VwXB443Please respect copyright.PENANAM1O00G8Nyp
443Please respect copyright.PENANAU6caSvWwpa
這現象稱之為心臟肥大(Cardiac hypertrophy)。443Please respect copyright.PENANASK3ykpw0K4
443Please respect copyright.PENANAxFJ0XWzPbp
443Please respect copyright.PENANAkN9ShT6agB
(圖3)當血壓持續高企及攀升到某一個位,心臟的肌肉再也沒法透過膨脹增大來維持運作,這時候心臟便會進入「放棄人生」的狀態,再也不會激烈地膨脹收縮,形成心臟衰竭(Heart failure)局面,血液因而再也沒能輸送到身體各部位。443Please respect copyright.PENANAJ3QgJEsDFc443Please respect copyright.PENANAtkmN4Mtyzp
443Please respect copyright.PENANA8JNwhSjeEb
443Please respect copyright.PENANA0gSFSbtWTp
換句話說,長期因高血壓所造成的心臟肥大(Cardiac hypertrophy),會是形成心臟衰竭(Heart failure)的其中一道誘因。443Please respect copyright.PENANAFCJGGbPa8o
443Please respect copyright.PENANALwbegLqllU
443Please respect copyright.PENANALKK84FysR8
(圖4)有見及此,有不少科學家會以人工方式在動物模型上製造心臟肥大(Cardiac hypertrophy)的局面,藉此了解箇中對細胞所做成的影響,從而找出防止下一步心臟衰竭(Heart failure)的潛在發生。443Please respect copyright.PENANAvmZNdDoehm443Please respect copyright.PENANAKHNqCkIkK2
443Please respect copyright.PENANAFlFkHQRmrX
其中的一種手段,就是利用縫線的手法局部減低心臟血管血液流動的動向。443Please respect copyright.PENANAOhV6a6aMcL
從圖中可見,縫線後左心房所承受的血壓將會大幅度增強。443Please respect copyright.PENANA7zbtr409jM
443Please respect copyright.PENANA08JM8UHvG3
(圖5)圖中可以清晰見得到,縫線後左心房的確出現肥大的狀況。443Please respect copyright.PENANA2z55pmRd6P443Please respect copyright.PENANAGtzSEGBC37
443Please respect copyright.PENANA8qQIqUs6Uj
而這些動物的付出,確實是為人類的健康作出了非常大的貢獻,下集將會再作進一步的講解。443Please respect copyright.PENANAcE6d7FRgor
443Please respect copyright.PENANAb9Jk3homzR
443Please respect copyright.PENANAFFu9JdEvg2
443Please respect copyright.PENANAGiHTf6sdr1
443Please respect copyright.PENANA63dXURYfYA
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。443Please respect copyright.PENANAoqItCA5yT0
443Please respect copyright.PENANAQGkD8VhqV0
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc443Please respect copyright.PENANAVnEFT5kZpo
443Please respect copyright.PENANArsJK35dk88
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。443Please respect copyright.PENANA9fg0WpNdzF
443Please respect copyright.PENANA1zz0WU9cFO
Link:443Please respect copyright.PENANAFhWBWqEydU
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio443Please respect copyright.PENANADknP8IiqIf
443Please respect copyright.PENANAjEpuQV4wJm
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。443Please respect copyright.PENANAfU4A6PXRl4
443Please respect copyright.PENANAHYYPJBANpC
Ref1:https://pubmed.ncbi.nlm.nih.gov/12738623/
0
0
ns3.139.234.66da2