Use of subdural drain for chronic subdural haematoma? A 4-year multi-centre observational study of 302 cases

Chan, David; Woo, Peter Yat Ming; Mak, Calvin Hoi Kwan; Chu, Alberto Chi Ho; Li, Charles Churk Hang; Ko, Natalie Man Wai; Ng, S. Thomas; Sun, Taoping; Poon, Wai Sang

doi:10.1016/j.jocn.2016.10.039

Cited by 14 publications

(7 citation statements)

References 25 publications

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“…Although a late presentation during this lockdown period was observed, the overall outcome in terms of mRS was comparable. This signifies good functional outcome can be achieved when operations were timely performed for drainage [14].…”

Section: Discussionmentioning

confidence: 84%

Chronic subdural haematoma during the COVID-19 lockdown period: late presentation with a longer interval from the initial head injury to the final presentation and diagnosis

et al. 2021

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Background The COVID-19 novel coronavirus is contagious, and the mortality is higher in the elderly population. Lockdown in different parts of the world has been imposed since January 2020. Chronic subdural haematoma (cSDH) has a unique natural history in which symptoms can be non-specific, and the onset is insidious. This study aims to evaluate the impact of the COVID-19 pandemic on the presentation of cSDH. Methods Consecutive adult cSDH patients admitted from 1 March 2020 to 30 April 2020 were reviewed. Exclusion criteria including those who had no definite history of head injury or the diagnosis of cSDH were made from a scheduled follow-up scan. Corresponding data during the same period in 2019 were reviewed for comparison. The primary outcome was the interval between the initial head injury and the final radiological diagnosis of cSDH. Secondary outcomes include Markwalder chronic subdural haematoma grade upon admission, length of stay in the acute hospital, and the modified Rankin scale (mRS) upon discharge. Results For the primary outcome, the average interval between head injury and the diagnosis of cSDH was significantly longer at 56.6 days (49 to 74 days, SD 9.83 days) during the period from March to April 2020, versus 29.4 days (17 to 42 days, SD 8.59 days) in 2019 for the corresponding period (p = 0.00703). There was no significant difference in the functional outcome upon discharge. Conclusions cSDH patients can present late during the COVID-19 lockdown period. The functional outcome was comparable when operations for drainage were timely performed.

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Section: Discussionmentioning

confidence: 84%

Chronic subdural haematoma during the COVID-19 lockdown period: late presentation with a longer interval from the initial head injury to the final presentation and diagnosis

et al. 2021

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“…Burr-hole drainage is an effective treatment for cSDH [ 22 , 23 ]. However, the recurrence rate can be up to 5 to 33% [ 24 – 26 ]. Recurrence of cSDH in the elderly is associated with poor outcomes and mortalities [ 27 , 28 ].…”

Section: Discussionmentioning

confidence: 99%

“…Burr-hole drainage is an effective treatment for cSDH [22,23]. However, the recurrence rate can be up to 5 to 33% [24][25][26].…”

Section: Discussionmentioning

confidence: 99%

ABC/2 formula for “bedside” postoperative pneumocephalus volume measurement

et al. 2022

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Background Postoperative pneumocephalus is associated with a higher risk of recurrence of chronic subdural hematoma (cSDH). However, there is no verified simple way to measure the pneumocephalus volume at the bedside for daily clinical use. The ABC/2 method was shown to be a simple and reliable technique to estimate volumes of intracranial lesions, such as intracranial hematomas. This study aims to evaluate the accuracy of the ABC/2 formula in estimating volumes of pneumocephalus, as compared to the gold standard with computer-assisted volumetric analysis. Methods A total of 141 postoperative computed tomographic (CT) brain scans of cSDH patients with burr-hole drainage were analysed. Pneumocephalus volume was measured independently by both the ABC/2 formula and the computer-assisted volumetric measurement. For the computer-assisted measurement, the volume of the air was semiautomatically segmented and calculated by computer software. Linear regression was used to determine the correlation between the ABC/2 method and computer-assisted measurement. Results The postoperative pneumocephalus volume after bilateral burr-hole drainage was significantly larger than that of unilateral burr-hole drainage (29.34 ml versus 12.21 ml, p < 0.001). The estimated volumes by the formula ABC/2 significantly correlated to the volumes as measured by the computer-assisted volumetric technique, with r = 0.992 (p < 0.001). The Pearson correlation coefficient is very close to 1, which signifies a very strong positive correlation, and it is statistically significant. Conclusions An excellent correlation is observed between the ABC/2 method and the computer-assisted measurement. This study verified that the ABC/2 method is an accurate and simple “bedside” technique to estimate pneumocephalus volume.

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“…There are many treatments, among which burr hole trephination and hematoma is an effective and common approach. 1,2) This technique has minimal effect on OCSHs, especially completely OCSHs.…”

Section: Discussionmentioning

confidence: 99%

Enlarged Craniotomy with Membranectomy for Treatment of Completely Organized Chronic Subdural Hematoma: A Case Report and Literature Review

Shi

Zhang

Tang

et al. 2020

Preprint

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Abstract Background Chronic subdural hematoma(CSDH) is a common condition in the elderly which can be treated by burr hole trephination and drainage. But completely organized chronic subdural hematoma(OCSH) is rare which cannot be cured by this technique, only treated by enlarged craniotomy and membranectomy.Case Presentation A 74-year old man admitted to hospital for loss of consciousness for one hour following a car accident. Cranial computed tomography (CT) showed a large mixed density hematoma on the left, acute subdural hematoma, cerebral contusion and subarachnoid hemorrhage. A left standard large craniotomy was performed. A large and completely OCSH with no liquid component was found during surgery, at the same time, we found no obvious adhesions between the inner membrane and the brain tissue, which was easy to separate and finally removed completely. Conclusion Craniotomy with membranectomy is a feasible method for treating completely OCSH.

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Use of subdural drain for chronic subdural haematoma? A 4-year multi-centre observational study of 302 cases

Cited by 14 publications

References 25 publications

Chronic subdural haematoma during the COVID-19 lockdown period: late presentation with a longer interval from the initial head injury to the final presentation and diagnosis

Chronic subdural haematoma during the COVID-19 lockdown period: late presentation with a longer interval from the initial head injury to the final presentation and diagnosis

ABC/2 formula for “bedside” postoperative pneumocephalus volume measurement

Enlarged Craniotomy with Membranectomy for Treatment of Completely Organized Chronic Subdural Hematoma: A Case Report and Literature Review

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