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J Korean Neurosurg Soc. 2015 May;57(5):379-85. doi: 10.3340/jkns.2015.57.5.379. Epub 2015 May 31.

Infrequent Hemorrhagic Complications Following Surgical Drainage of Chronic Subdural Hematomas.

Journal of Korean Neurosurgical Society

Angelo Rusconi, Simone Sangiorgi, Lidia Bifone, Sergio Balbi

Affiliations

  1. Department of Life Sciences, University of Insubria, Varese, Italy.
  2. Neurosurgical Unit, Ospedale di Circolo, Varese, Italy.

PMID: 26113968 PMCID: PMC4479722 DOI: 10.3340/jkns.2015.57.5.379

Abstract

Chronic subdural hematomas mainly occur amongst elderly people and usually develop after minor head injuries. In younger patients, subdural collections may be related to hypertension, coagulopathies, vascular abnormalities, and substance abuse. Different techniques can be used for the surgical treatment of symptomatic chronic subdural hematomas : single or double burr-hole evacuation, with or without subdural drainage, twist-drill craniostomies and classical craniotomies. Failure of the brain to re-expand, pneumocephalus, incomplete evacuation, and recurrence of the fluid collection are common complications following these procedures. Acute subdural hematomas may also occur. Rarely reported hemorrhagic complications include subarachnoid, intracerebral, intraventricular, and remote cerebellar hemorrhages. The causes of such uncommon complications are difficult to explain and remain poorly understood. Overdrainage and intracranial hypotension, rapid brain decompression and shift of the intracranial contents, cerebrospinal fluid loss, vascular dysregulation and impairment of venous outflow are the main mechanisms discussed in the literature. In this article we report three cases of different post-operative intracranial bleeding and review the related literature.

Keywords: Chronic subdural hematoma; Head trauma; Remote cerebellar hemorrhage; Subarachnoid hemorrhage

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