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Year : 2016  |  Volume : 36  |  Issue : 6  |  Page : 217-223

Intracranial pressure monitoring alone: Not an absolutely reliable tool after decompressive craniectomy for traumatic acute subdural hematoma

Department of Surgery, Division of Neurosurgery, Far Eastern Memorial Hospital, Banqiao, New Taipei City 220, Taiwan, Republic of China

Correspondence Address:
Lin-Hsue Yang
Department of Surgery, Division of Neurosurgery, Far Eastern Memorial Hospital, No. 21, Section 2, Nanya South Road, Banqiao, New Taipei City 220, Taiwan
Republic of China
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1011-4564.196350

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Introduction: The monitoring of intracranial pressure (ICP) in traumatic brain injury (TBI) is important for postoperative care. In our clinical practice, we have found that neurological deterioration because of contralateral epidural hematoma (EDH) occurs despite normal ICP in patients who have undergone decompressive craniectomy (DC). This study was performed to elucidate the dilemmas associated with ICP monitoring after DC and the possible complementary role of intraoperative and immediate postoperative imaging studies. Methods: Patients who had received DC due to TBI during a 7-year period were retrospectively identified from our database and evaluated. Logistic regression analyses were used to evaluate the associations between patients. Results: Twenty patients had contralateral skull fractures. Five patients (5 of 10, 50%) who developed EDH on the ipsilateral side of the skull fracture underwent operations for EDH evacuation due to the deterioration of their clinical condition. The ICP was significantly lower (P = 0.016) in these patients compared with patients who did not undergo secondary surgery due to EDH. Conclusions: ICP monitoring alone cannot absolutely ensure early detection of contralateral space-occupying lesion after DC due to improvement in cerebral compliance. Imaging studies using brain computed tomography is beneficial for early detection of delayed EDH after DC in a high-risk skull fracture with contralateral acute subdural hematoma patients.

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