Shuto T, Kitsuta Y, Yoshida T, Suzuki N, Sugiyama M, Yamamoto I
Critical Care and Emergency Medical Center, Yokohama City University School of Medicine, Kanagawa, Japan.
No To Shinkei. 1997 Nov;49(11):977-81.
Air in epidural hematoma has previously been reported by some authors. With the advent of CT scan, the presence of air in epidural hematomas is not uncommon findings. In our series, 27 of 78 (34.6%) cases with acute epidural hematoma had air bubbles in epidural hematoma on CT scan. Acute epidural hematoma was located in the temporal in 18, frontal in 3, occipital in 2, parietal in one and posterior fossa in 3 cases. The air entrance was thought to be mastoid air cells in 13, open fracture in 5, frontal sinus in 3, sphenoid sinus in 3, and unknown in 3 cases. No patients in our series developed meningeal infection or tension pneumocephalus. There was no statistical difference of overall outcome or risk of increase in size of hematoma between acute epidural hematoma with and without air.
此前已有一些作者报道过硬膜外血肿内存在气体。随着CT扫描的出现，硬膜外血肿内存在气体并非罕见的发现。在我们的系列病例中，78例急性硬膜外血肿患者中有27例（34.6%）在CT扫描时硬膜外血肿内有气泡。急性硬膜外血肿位于颞部18例、额部3例、枕部2例、顶叶1例、后颅窝3例。气体进入途径被认为是乳突气房13例、开放性骨折5例、额窦3例、蝶窦3例、3例原因不明。我们系列病例中没有患者发生脑膜感染或张力性气颅。有气体和无气体的急性硬膜外血肿在总体预后或血肿增大风险方面无统计学差异。
