Related Experiment Video
Updated: May 14, 2026
09:01
Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation
Published on: October 15, 2021
Spontaneous intracranial hypotension: recommendations for management
Farnaz Amoozegar1, Darryl Guglielmin, William Hu
1Department of Clinical Neurosciences, University of Calgary Foothills Medical Centre, Calgary, Alberta, Canada. farnaz.amoozegar@albertahealthservices.ca
Summary
This study provides expert recommendations for diagnosing and managing spontaneous intracranial hypotension (SIH) due to a lack of clinical trials. It outlines diagnostic imaging, conservative treatment, and procedural interventions like epidural blood patches for SIH.
Area of Science:
- Neurology
- Radiology
- Neurosurgery
Background:
- Spontaneous intracranial hypotension (SIH) lacks established clinical guidelines.
- Diagnosis and management rely on literature review and expert consensus.
Purpose of the Study:
- To develop evidence-based recommendations for SIH diagnosis and management.
- To provide a structured approach for clinicians treating SIH patients.
Main Methods:
- Comprehensive literature search for SIH clinical trials and guidelines.
- Synthesis of available data and expert opinion to formulate management strategies.
- Development of a diagnostic and therapeutic algorithm for SIH.
Main Results:
- Brain MRI with gadolinium is recommended for initial diagnosis in typical SIH cases.
- Conservative management for two weeks is advised, followed by up to three non-directed epidural blood patches (EBPs) if symptoms persist.
- Advanced imaging (MR myelography, CT myelography) and directed EBPs are recommended for leak localization and treatment if conservative measures fail.
- A distinct approach is proposed for clinically atypical SIH cases.
Conclusions:
- The developed recommendations offer a practical framework for managing SIH.
- A stepwise approach involving imaging, conservative treatment, and targeted interventions is crucial for effective SIH management.
- Further research is needed to establish definitive clinical trials for SIH treatment efficacy.
Related Concept Videos
01:14Increased Intracranial Pressure l: Introduction
Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...
01:30Alterations in Blood Pressure
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart beats)...
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart beats)...
01:23Hypertension V: Nursing Management
The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
01:29Increased Intracranial Pressure ll: Pathophysiology
Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...
01:27Open Angle Glaucoma: Treatment
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
01:30Hypertension III: Clinical Manifestations and Diagnostic Studies
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...