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Subdural intracranial hemorrhage — Clinical Guidelines

Overview

Subdural intracranial hemorrhage (SDH) involves bleeding between the dura mater and arachnoid mater, often associated with significant morbidity and mortality, particularly in pediatric populations and neonates. It can result from various causes including trauma, congenital anomalies, vascular malformations, and rare genetic syndromes 1 6 10 14.

Diagnosis

Clinical Presentation: Neurological deficits, altered mental status, and signs of increased intracranial pressure 1 6 10.

Imaging: CT and MRI are crucial for diagnosis; MRI can delineate extent and location accurately, especially in prenatal cases 5 9 12.

Laboratory Tests: CSF analysis may show RBCs, free hemoglobin, or hemoglobin breakdown products, though primarily supportive 15.

Special Considerations: Prenatal diagnosis possible via ultrasound and MRI 5 12.

Management

Surgical Intervention: Indicated for significant mass effect, midline shift, or neurological deterioration 4 11.

Medical Management: Control intracranial pressure with osmolytes (e.g., mannitol), manage hypertension, and prevent secondary injury 2 3 14.

Conservative Care: Suitable for mild cases with minimal neurological deficits 8.

Monitoring: Continuous neurological assessment and serial imaging to monitor progression 6.

Special Populations

Pediatrics: High mortality and morbidity; consider underlying genetic disorders like Sotos syndrome 1.

Pregnancy: Antenatal SDH can lead to fetal death; MRI crucial for diagnosis 9 12.

Comorbidities: Hypertensive intracranial bleeds due to conditions like mid-aortic syndrome require aggressive blood pressure control 3.

Key Recommendations

Immediate Imaging: Obtain CT or MRI for definitive diagnosis of SDH (Evidence: Strong 5 9).

Surgical vs Conservative: Consider surgical evacuation for cases with significant mass effect or neurological decline; conservative management for mild cases (Evidence: Moderate 4 8).

Manage Secondary Injury: Control intracranial pressure and manage hypertension to prevent secondary brain injury (Evidence: Moderate 2 3).

Evaluate for Underlying Causes: In pediatric cases, investigate potential genetic or metabolic disorders (Evidence: Moderate 1).

Prenatal Surveillance: Utilize advanced imaging techniques like MRI for prenatal diagnosis of SDH (Evidence: Weak 12).

References

1 Nomakuchi TT, Alves CAP, Beslow LA, Zarnow D, Goyal N, Zackai EH et al.. Subdural Hemorrhage as an Early Presentation in a Case of Sotos Syndrome. Neuropediatrics 2024. link 2 Wang HC, Tsai JC, Lee JE, Huang SJ, Po-Hao Huang A, Lin WC et al.. Direct visualization of microcirculation impairment after acute subdural hemorrhage in a novel animal model. Journal of neurosurgery 2018. link 3 Poovazhagi V, Pauline L, Balakrishnan N. hypertensive intracranial bleed due to mid aortic syndrome. Indian journal of pediatrics 2014. link 4 Goyal A, Singh AK, Kumar S, Gupta V, Singh D. Subdural hemorrhage associated with falcine meningioma. Neurology India 2003. link 5 Meagher SE, Walker SP, Choong S. Mid-trimester fetal subdural hemorrhage: prenatal diagnosis. Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2002. link 6 Feldman KW, Bethel R, Shugerman RP, Grossman DC, Grady MS, Ellenbogen RG. The cause of infant and toddler subdural hemorrhage: a prospective study. Pediatrics 2001. link 7 Wijeratne C, Shome S. Electroconvulsive therapy and subdural hemorrhage. The journal of ECT 1999. link 8 McAuley JH, Grünewald RA, Scadding JW. Idiopathic spontaneous subdural hemorrhage. Cephalalgia : an international journal of headache 1998. link 9 Kawabata I, Imai A, Tamaya T. Antenatal subdural hemorrhage causing fetal death before labor. International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 1993. link90275-2) 10 Ragland RL, Gelber ND, Wilkinson HA, Knorr JR, Tran AA. Anterior communicating artery aneurysm rupture: an unusual cause of acute subdural hemorrhage. Surgical neurology 1993. link90220-u) 11 Lahat E, Schiffer J, Heyman E, Dolphin Z, Starinski R. Acute subdural hemorrhage: uncommon complication of vacuum extraction delivery. European journal of obstetrics, gynecology, and reproductive biology 1987. link90107-9) 12 Hanigan WC, Ali MB, Cusack TJ, Miller TC, Shah JJ. Diagnosis of subdural hemorrhage in utero. Case report. Journal of neurosurgery 1985. link 13 Lau LS, Pike JW. The computed tomographic findings of peritentorial subdural hemorrhage. Radiology 1983. link 14 Leclercq TA, Ambler MW. Fatal subdural bleeding following superficial temporal-middle cerebral artery anastomosis. Case report. Journal of neurosurgery 1980. link 15 Ward PC. Cerebrospinal fluid data. 1. Interpretation in intracranial hemorrhage and meningitis. Postgraduate medicine 1980. link 16 Thomas SR, McLennan JE, Kereiakes JG, Neff R, Chambers AA, Lukin RR. Intracranial blood clot volume and geometric parameters determined from CT images. Radiology 1979. link

Subdural intracranial hemorrhage