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Bhattarai HB, Bhusal A, Bhattarai G, Basnet B, Gautam S, Koirala S, Uprety M, Adhikari B, Pokhrel R, Katwal S. Subarachnoid hemorrhage mimicking an acute migraine attack: A case report. SAGE Open Med Case Rep 2024; 12:2050313X241261012. [PMID: 38881976 PMCID: PMC11179526 DOI: 10.1177/2050313x241261012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 05/23/2024] [Indexed: 06/18/2024] Open
Abstract
Subarachnoid hemorrhage is a neurological emergency in which arterial blood accumulates in the subarachnoid space with cerebral aneurysmal rupture being the most common cause. Subarachnoid hemorrhage is often misdiagnosed in the emergency department and mortality rates range from 8% to 67%. It may be the manifestation of the chronicity of the migraine. The difference in severity or quality compared to previous headaches, and other symptoms, particularly neck stiffness, but also seizure, syncope, focal neurological deficit, and vomiting are the key factors differentiating subarachnoid hemorrhage from the migraine. We report a case of a 37-year-old female with a previous history of migraines who presented with acute onset of excruciating headaches in the occiput associated with nausea, vomiting, and photophobia in whom a non-contrast computed tomography scan of the head showed hyper-densities involving the bilateral cerebral cortical sulcus and Sylvian fissure and the cerebral angiography showed a complex aneurysm in anterior communicating artery.
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Affiliation(s)
| | - Amrit Bhusal
- BP Koirala Institute of Health Sciences, Dharan, Kathmandu, Nepal
| | - Ganesh Bhattarai
- Tribhuvan University, Institute of Medicine, Maharajgunj Medical Campus, Maharajgunj, Kathmandu, Nepal
| | - Bibhusan Basnet
- BP Koirala Institute of Health Sciences, Dharan, Kathmandu, Nepal
| | - Swotantra Gautam
- BP Koirala Institute of Health Sciences, Dharan, Kathmandu, Nepal
| | - Sabina Koirala
- Gandaki Medical College Teaching Hospital and Research Center Pvt Ltd, Pokhara, Nepal
| | - Manish Uprety
- Kathmandu University School of Medical Sciences, Kathmandu, Nepal
| | - Bibhuti Adhikari
- Kathmandu Medical College and Teaching Hospital, Kathmandu, Nepal
| | - Ritu Pokhrel
- Kathmandu Medical College and Teaching Hospital, Kathmandu, Nepal
| | - Shailendra Katwal
- Tribhuvan University, Institute of Medicine, Maharajgunj Medical Campus, Maharajgunj, Kathmandu, Nepal
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Abdelgadir J, Gelman J, Dutko L, Mehta V, Friedman A, Zomorodi A. Cognitive outcomes following aneurysmal subarachnoid hemorrhage: Rehabilitation strategies. World Neurosurg X 2024; 22:100341. [PMID: 38450248 PMCID: PMC10914592 DOI: 10.1016/j.wnsx.2024.100341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 02/21/2024] [Indexed: 03/08/2024] Open
Abstract
Despite decreases in mortality rate, the treatment of cognitive deficits following aneurysmal subarachnoid hemorrhage (aSAH) remains a serious challenge for clinicians and survivors alike. Deficits in executive function, language, and memory prevent more than half of survivors from returning to their previous level of work and put a tremendous amount of stress on the individual and their family. New therapies are needed for survivors of aSAH in order to improve cognitive outcomes and quality of life. The aim of this review is to discuss the prevalence and contributing factors of cognitive deficits following aSAH, as well as areas for therapeutic intervention. Due to the limited research on cognitive rehabilitative strategies for aSAH, a literature search of traumatic brain injury (TBI) was used to explore therapies with the potential to improve cognitive outcomes in aSAH. Across cognitive domains, existing rehabilitative and pharmacotherapeutic strategies for TBI show promise to be useful for survivors of aSAH. However, further study of these therapies in addition to consistent assessment of cognitive deficits are required to determine their efficacy in survivors of aSAH.
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Affiliation(s)
- Jihad Abdelgadir
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - Justin Gelman
- Trinity College of Arts and Sciences, Duke University, Durham, NC, USA
| | - Lindsay Dutko
- Duke Speech Pathology, Duke University Medical Center, Durham, NC, USA
| | - Vikram Mehta
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - Allan Friedman
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - Ali Zomorodi
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
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Hoh BL, Ko NU, Amin-Hanjani S, Chou SHY, Cruz-Flores S, Dangayach NS, Derdeyn CP, Du R, Hänggi D, Hetts SW, Ifejika NL, Johnson R, Keigher KM, Leslie-Mazwi TM, Lucke-Wold B, Rabinstein AA, Robicsek SA, Stapleton CJ, Suarez JI, Tjoumakaris SI, Welch BG. 2023 Guideline for the Management of Patients With Aneurysmal Subarachnoid Hemorrhage: A Guideline From the American Heart Association/American Stroke Association. Stroke 2023; 54:e314-e370. [PMID: 37212182 DOI: 10.1161/str.0000000000000436] [Citation(s) in RCA: 132] [Impact Index Per Article: 132.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
AIM The "2023 Guideline for the Management of Patients With Aneurysmal Subarachnoid Hemorrhage" replaces the 2012 "Guidelines for the Management of Aneurysmal Subarachnoid Hemorrhage." The 2023 guideline is intended to provide patient-centric recommendations for clinicians to prevent, diagnose, and manage patients with aneurysmal subarachnoid hemorrhage. METHODS A comprehensive search for literature published since the 2012 guideline, derived from research principally involving human subjects, published in English, and indexed in MEDLINE, PubMed, Cochrane Library, and other selected databases relevant to this guideline, was conducted between March 2022 and June 2022. In addition, the guideline writing group reviewed documents on related subject matter previously published by the American Heart Association. Newer studies published between July 2022 and November 2022 that affected recommendation content, Class of Recommendation, or Level of Evidence were included if appropriate. Structure: Aneurysmal subarachnoid hemorrhage is a significant global public health threat and a severely morbid and often deadly condition. The 2023 aneurysmal subarachnoid hemorrhage guideline provides recommendations based on current evidence for the treatment of these patients. The recommendations present an evidence-based approach to preventing, diagnosing, and managing patients with aneurysmal subarachnoid hemorrhage, with the intent to improve quality of care and align with patients' and their families' and caregivers' interests. Many recommendations from the previous aneurysmal subarachnoid hemorrhage guidelines have been updated with new evidence, and new recommendations have been created when supported by published data.
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Sadasivam AS, Nathan B, Anbazhagan SP. Clinical Profile and Outcome in Patients with Spontaneous Subarachnoid Hemorrhage from a South Indian Tertiary Centre: A Prospective Observational Study. Asian J Neurosurg 2023; 18:80-87. [PMID: 37056879 PMCID: PMC10089737 DOI: 10.1055/s-0043-1761234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
Abstract
Objective Spontaneous subarachnoid hemorrhage (SAH) is a neurological condition that causes significant morbidity and mortality. It is known to have regional differences in its incidence. Indian studies have shown conflicting results about the incidence of aneurysms as the cause of SAH, varying from 35% to 80%. The data available on the epidemiology of spontaneous SAH in the South Indian population are very few. Our study aims to describe the clinical profile of patients presenting with spontaneous SAH to the emergency department in a tertiary center in South India and describe the factors influencing the clinical outcome.
Materials and Methods The study included 75 patients diagnosed with spontaneous SAH in our emergency department. Demographic data, medical history, details about the first medical contact, clinical features at admission, complications during the hospital stay, and interventions underwent were recorded. The study participants were followed-up at 6 weeks after discharge from hospital to assess the neurological outcome based on modified Rankin Scale (mRS) score, using a 9-point questionnaire.
Results Of the 75 patients with spontaneous SAH, the majority were females, and in the age group of 50 to 69 years. The median time to first medical contact was observed to be 2 hours; and SAH was diagnosed at the first medical contact only in 37% of the patients. Hypertension was the most common comorbid condition associated with SAH (53%). Almost 80% of the patients who underwent angiographic studies had aneurysmal SAH (aSAH). Hydrocephalus was the most common complication seen in 37% of the patients, followed by hyponatremia (28%) and vasospasm (25%). At the time of follow-up after 6 weeks, we found that 36% of the patients were having a neurologically favorable outcome with an mRS score of 0 to 2, 8% of patients were having moderate to severe disability (mRS 3 to 5) and were living a dependent life. The mortality rate (mRS 6) was observed to be around 50% (6% lost to follow-up).
Conclusion We observed a relatively higher incidence of aneurysmal rupture among the patients with spontaneous SAH in our region. The misdiagnosis rate at first medical contact was higher. The mortality rate was observed to be around 50% at 6 weeks. Loss of consciousness at ictus, aneurysmal rupture, WFNS grades IV–V, hydrocephalus, vasospasm, hypernatremia, and delayed cerebral ischemia were found to be the mortality predictors in SAH.
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Lin PT, Chen SP, Wang SJ. Update on primary headache associated with sexual activity and primary thunderclap headache. Cephalalgia 2023; 43:3331024221148657. [PMID: 36786380 DOI: 10.1177/03331024221148657] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
BACKGROUND This narrative review aims to provide an update on primary headache associated with sexual activity and primary thunderclap headache. METHODS We conducted a literature search on PubMed with the keywords "headache associated with sexual activity", "sexual headache", "orgasmic cephalalgia", and "coital cephalalgia" in addition to "thunderclap headache" to assess the appropriateness of all published articles in this review. RESULTS Primary headache associated with sexual activity is a "primary" headache precipitated by sexual activity, which occurs as sexual excitement increases (progressive at onset), or manifests as an abrupt and intense headache upon orgasm (thunderclap at onset) or combines these above two features. Primary headache associated with sexual activity is diagnosed after a thorough investigation, including appropriate neuroimaging studies, to exclude life-threatening secondary causes such as subarachnoid hemorrhage. According to the criteria of the third edition of the International Classification of Headache Disorders, primary thunderclap headache is also a diagnosis by exclusion. The pathophysiology of primary headache associated with sexual activity and primary thunderclap headache remains incompletely understood. Treatment may not be necessary for all patients since some patients with primary headache associated with sexual activity and primary thunderclap headache have a self-limiting course. CONCLUSION A comprehensive neuroimaging study is needed for distinguishing primary headache associated with sexual activity or primary thunderclap headache from secondary causes. Primary headache associated with sexual activity and primary thunderclap headache are self-limited diseases and the prognoses are good, but some patients with primary headache associated with sexual activity may have a prolonged course.
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Affiliation(s)
- Po-Tso Lin
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shih-Pin Chen
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Division of Translational Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shuu-Jiun Wang
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
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Nontraumatic Neurosurgical Emergencies. Crit Care Nurs Q 2023; 46:2-16. [DOI: 10.1097/cnq.0000000000000434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
PURPOSE OF REVIEW Subarachnoid hemorrhage (SAH) remains an important cause of mortality and long-term morbidity. This article uses a case-based approach to guide readers through the fundamental epidemiology and pathogenesis of SAH, the approach to diagnosis and management, the results of clinical trials and evidence to date, prognostic considerations, controversies, recent developments, and future directions in SAH. RECENT FINDINGS Historically, management of SAH focused on prevention and treatment of subsequent cerebral vasospasm, which was thought to be the primary cause of delayed cerebral ischemia. Clinical and translational studies over the past decade, including several therapeutic phase 3 randomized clinical trials, suggest that the pathophysiology of SAH-associated brain injury is multiphasic and multifactorial beyond large vessel cerebral vasospasm. The quest to reduce SAH-associated brain injury and improve outcomes is shifting away from large vessel cerebral vasospasm to a new paradigm targeting multiple brain injury mechanisms, including early brain injury, delayed cerebral ischemia, microcirculatory dysfunction, spreading cortical depolarization, inflammation, and the brain-body interaction in vascular brain injury with critical illness.Despite multiple negative randomized clinical trials in search of potential therapeutic agents ameliorating the downstream effects after SAH, the overall outcome of SAH has improved over recent decades, likely related to improvements in interventional options for ruptured cerebral aneurysms and in critical care management. Emerging clinical evidence also suggests potential harmful impact of historic empiric treatments for SAH-associated vasospasm, such as prophylactic induction of hypertension, hypervolemia, and hemodilution (triple H therapy).With decreasing mortality, long-term SAH survivorship and efforts to reduce chronic morbidity and to improve quality of life and patient-centered outcome are growing areas of unmet need. Despite existing guidelines, significant variabilities in local and regional practices and in scientific terminologies have historically limited advancement in SAH care and therapeutic development. Large global collaborative efforts developed harmonized SAH common data elements in 2019, and studies are under way to examine how existing variabilities in SAH care impact long-term SAH outcomes. SUMMARY Although the overall incidence and mortality of SAH is decreasing with advances in preventive and acute care, SAH remains a major cause of long-term morbidity in survivors. Significant variabilities in care settings and empiric treatment protocols and inconsistent scientific terminologies have limited advancement in patient care and therapeutic clinical studies. Large consensus efforts are under way to introduce clinical guidelines and common data elements to advance therapeutic approaches and improve patient outcome.
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Terrier LM, Hadjikhani N, Velut S, Magnain C, Amelot A, Bernard F, Zöllei L, Destrieux C. The trigeminal system: The meningovascular complex- A review. J Anat 2021; 239:1-11. [PMID: 33604906 DOI: 10.1111/joa.13413] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 12/12/2022] Open
Abstract
Supratentorial sensory perception, including pain, is subserved by the trigeminal nerve, in particular, by the branches of its ophthalmic division, which provide an extensive innervation of the dura mater and of the major brain blood vessels. In addition, contrary to previous assumptions, studies on awake patients during surgery have demonstrated that the mechanical stimulation of the pia mater and small cerebral vessels can also produce pain. The trigeminovascular system, located at the interface between the nervous and vascular systems, is therefore perfectly positioned to detect sensory inputs and influence blood flow regulation. Despite the fact that it remains only partially understood, the trigeminovascular system is most probably involved in several pathologies, including very frequent ones such as migraine, or other severe conditions, such as subarachnoid haemorrhage. The incomplete knowledge about the exact roles of the trigeminal system in headache, blood flow regulation, blood barrier permeability and trigemino-cardiac reflex warrants for an increased investigation of the anatomy and physiology of the trigeminal system. This translational review aims at presenting comprehensive information about the dural and brain afferents of the trigeminovascular system, in order to improve the understanding of trigeminal cranial sensory perception and to spark a new field of exploration for headache and other brain diseases.
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Affiliation(s)
- Louis-Marie Terrier
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
| | - Nouchine Hadjikhani
- Martinos Center for Biomedical Imaging, Harvard Medical School/MGH/MIT, Boston, MA, USA
| | - Stéphane Velut
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
| | - Caroline Magnain
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Aymeric Amelot
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
| | | | - Lilla Zöllei
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Christophe Destrieux
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
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García-Azorín D, González-García N, Abelaira-Freire J, Marcos-Dolado A, Guerrero ÁL, Martín-Sanchez FJ, Porta-Etessam J. Management of thunderclap headache in the emergency room: A retrospective cohort study. Cephalalgia 2021; 41:711-720. [PMID: 33412894 DOI: 10.1177/0333102420981721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
INTRODUCTION The evaluation of red flags is crucial for the accurate the diagnosis of headache disorders, especially for thunderclap headache. We analysed if secondary headache disorders were adequately ruled out in patients that presented to the emergency room with thunderclap headache. METHODS In this retrospective cohort study, we screened all patients that visited the emergency room for headache, including those that described thunderclap headache. We measured the frequency with which secondary causes were not adequately ruled out. We analysed the order of the exams, the final diagnosis, and the time elapsed between arrival, initial request for imaging, and the completion of the imaging. RESULTS We screened 2132 patients, and 42 (1.9%) fulfilled eligibility criteria. Mean age was 43.1 ± 17.1 years, and 57% of patients were female. For 22 (52.4%) patients, the work-up was incomplete. Vascular study was missing in 16 (38.1%) patients, cerebrospinal fluid evaluation in nine (21.4%), and magnetic resonance imaging in seven (16.7%), with multiple assessments missing in six (14.3%). There were ten different combinations in which the exams were performed, with the most frequent being the second exam's cerebral spinal fluid evaluation in 18 (52.9%) and the computed tomography angiogram in 10 (29.4%). A secondary cause of thunderclap headache was found in 16 (38.1%) patients, and four (9.5%) had a primary headache diagnosis after an adequate and complete study. CONCLUSIONS Thunderclap onset was described in one of every 50 patients that visited the emergency room for headache. More than half of these patients were not adequately managed. More than a third of thunderclap headache patients had a secondary cause.
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Affiliation(s)
- David García-Azorín
- Headache Unit, Department of Neurology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain.,Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Nuria González-García
- Headache Unit, Department of Neurology, Institute of Neurosciences, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain
| | - Jaime Abelaira-Freire
- Department of Emergency Medicine, Hospital Clínico San Carlos, IdiSSC, Madrid, Spain
| | - Alberto Marcos-Dolado
- Department of Neurology, Hospital Clínico San Carlos, Madrid, Spain.,Department of Medicine, Universidad Complutense de Madrid, Madrid, Spain
| | - Ángel Luis Guerrero
- Headache Unit, Department of Neurology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain.,Institute for Biomedical Research of Salamanca (IBSAL), Salamanca, Spain.,Department of Medicine, School of Medicine, Universidad de Valladolid, Valladolid, Spain
| | | | - Jesús Porta-Etessam
- Headache Unit, Department of Neurology, Institute of Neurosciences, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain.,Department of Medicine, Universidad Complutense de Madrid, Madrid, Spain
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Southerland AM, Green IE, Worrall BB. Cerebral aneurysms and cervical artery dissection: Neurological complications and genetic associations. HANDBOOK OF CLINICAL NEUROLOGY 2021; 177:241-251. [PMID: 33632443 DOI: 10.1016/b978-0-12-819814-8.00033-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Dissections and aneurysms are two of the more common nonatherosclerotic arteriopathies of the cerebrovascular system and a significant contributor to neurovascular complications, particularly in the young. Specifically, ruptured intracranial aneurysms (IA) account for nearly 500,000 cases of subarachnoid hemorrhage annually with a 30-day mortality approaching 40% and survivors suffering often permanent neurologic deficits and disability. Unruptured IAs require dedicated assessment of risk and often warrant serial radiologic monitoring. Cervical artery dissection, affecting the carotid and vertebral arteries, accounts for nearly 20% of strokes in young and middle-aged adults. While approximately 70% of cervical artery dissection (CeAD) cases present with stroke or TIA, additional neurologic complications include severe headache and neck pain, oculosympathetic defect (i.e., partial Horner's syndrome), acute vestibular syndrome, and rarely lower cranial nerve palsies. Both aneurysms and dissections of the cerebrovascular system may occur frequently in patients with syndromic connective tissue disorders; however, the majority of cases are spontaneously occurring or mildly heritable with both polygenic and environmental associations. Fibromuscular dysplasia, in particular, is commonly associated with both risk of CeAD and IA formation. Further research is needed to better understand the pathophysiology of both IA and CeAD to better understand risk, improve treatments, and prevent devastating neurologic complications.
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Affiliation(s)
- Andrew M Southerland
- Departments of Neurology and Public Health Sciences, University of Virginia, Charlottesville, VA, United States.
| | - Ilana E Green
- Departments of Neurology and Public Health Sciences, University of Virginia, Charlottesville, VA, United States
| | - Bradford B Worrall
- Departments of Neurology and Public Health Sciences, University of Virginia, Charlottesville, VA, United States
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Headache and Facial Pain. Neurology 2021. [DOI: 10.1007/978-3-030-55598-6_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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12
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Neurovascular disease, diagnosis, and therapy: Brain aneurysms. HANDBOOK OF CLINICAL NEUROLOGY 2020; 176:121-134. [PMID: 33272392 DOI: 10.1016/b978-0-444-64034-5.00001-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Unruptured intracranial aneurysms (UIAs) have a prevalence of 3% in the adult population worldwide. The majority of UIAs are incidental findings, but some UIAs cause cranial nerve palsies, brainstem compression, ischemic events, or epileptic seizures. The most frequent clinical presentation of intracranial aneurysms is, however, rupture and thereby subarachnoid hemorrhage (SAH). To avoid SAH with its fatal consequences, patients with UIAs require counseling by dedicated and interdisciplinary neurovascular specialists. For the purpose of assessment and decision-making for the management of patients with UIAs, numerous aspects have to be considered: radiological characteristics, clinical symptoms, estimated rupture risk of an individual aneurysm as well as patient- and aneurysm-related risks of preventive repair. Generally, two management options exist: observation with follow-up imaging or preventive repair. This chapter discusses current data on pathogenesis, clinical presentation, diagnostics, risk factors for rupture and preventive repair, and guidance tools for the management of patients with UIAs according to current evidence.
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Boutin J, Bats ML, Amintas S, Bérard A, Dabernat S, Colombies B, Rucheton B, Bedel A. Pigments test strips: A rapid companion test to exclude sub-arachnoid haemorrhage. Clin Chim Acta 2020; 510:54-59. [DOI: 10.1016/j.cca.2020.06.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/30/2020] [Accepted: 06/30/2020] [Indexed: 11/25/2022]
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Prognostic Significance of Sentinel Headache Preceding Aneurysmal Subarachnoid Hemorrhage. World Neurosurg 2020; 139:e672-e676. [DOI: 10.1016/j.wneu.2020.04.097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/10/2020] [Accepted: 04/11/2020] [Indexed: 11/30/2022]
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Quantitative Susceptibility Mapping and Vessel Wall Imaging as Screening Tools to Detect Microbleed in Sentinel Headache. J Clin Med 2020; 9:jcm9040979. [PMID: 32244737 PMCID: PMC7230854 DOI: 10.3390/jcm9040979] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 03/24/2020] [Accepted: 03/31/2020] [Indexed: 12/25/2022] Open
Abstract
Background: MR-quantitative susceptibility mapping (QSM) can identify microbleeds (MBs) in intracranial aneurysm (IA) wall associated with sentinel headache (SH) preceding subarachnoid hemorrhage. However, its use is limited, due to associated skull base bonny and air artifact. MR-vessel wall imaging (VWI) is not limited by such artifact and therefore could be an alternative to QSM. The purpose of this study was to investigate the correlation between QSM and VWI in detecting MBs and to help develop a diagnostic strategy for SH. Methods: We performed a prospective study of subjects with one or more unruptured IAs in our hospital. All subjects underwent evaluation using 3T-MRI for MR angiography (MRA), QSM, and pre- and post-contrast VWI of the IAs. Presence/absence of MBs detected by QSM was correlated with aneurysm wall enhancement (AWE) on VWI. Results: A total of 40 subjects harboring 51 unruptured IAs were enrolled in the study. MBs evident on the QSM sequence was detected in 12 (23.5%) IAs of 11 subjects. All these subjects had a history of severe headache suggestive of SH. AWE was detected in 22 (43.1%) IAs. Using positive QSM as a surrogate for MBs, the sensitivity, specificity, positive predictive value, and negative predictive value of AWE on VWI for detecting MBs were 91.7%, 71.8%, 50%, and 96.6%, respectively. Conclusions: Positive QSM findings strongly suggested the presence of MBs with SH, whereas, the lack of AWE on VWI can rule it out with a probability of 96.6%. If proven in a larger cohort, combining QSM and VWI could be an adjunctive tool to help diagnose SH, especially in cases with negative or non-diagnostic CT and lumbar puncture.
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16
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Sjulstad AS, Alstadhaug KB. What is Currently the Best Investigational Approach to the Patient With Sudden‐Onset Severe Headache? Headache 2019; 59:1834-1840. [DOI: 10.1111/head.13650] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/05/2019] [Indexed: 12/01/2022]
Affiliation(s)
| | - Karl B. Alstadhaug
- Department of Neurology Nordland Hospital Trust Bodø Norway
- Institute of Clinical Medicine University of Tromsø Tromsø Norway
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Bolognese M, Lakatos LB, von Hessling A, Christ M, Müller M. Lebensbedrohliche nichttraumatische Kopfschmerzsyndrome in der Notfallmedizin. Notf Rett Med 2019. [DOI: 10.1007/s10049-019-00638-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Nakagawa D, Kudo K, Awe O, Zanaty M, Nagahama Y, Cushing C, Magnotta V, Hayakawa M, Allan L, Greenlee J, Awad IA, Carroll T, Torner J, Raghavan ML, Hasan DM. Detection of microbleeds associated with sentinel headache using MRI quantitative susceptibility mapping: pilot study. J Neurosurg 2019; 130:1391-1397. [PMID: 29799347 PMCID: PMC6773513 DOI: 10.3171/2018.2.jns1884] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 02/16/2018] [Indexed: 11/06/2022]
Abstract
OBJECT Sentinel headaches (SHs) associated with cerebral aneurysms (CAs) could be due to microbleeds, which are considered a sign that an aneurysm is unstable. Despite the prognostic importance of these microbleeds, they remain difficult to detect using routine imaging studies. The objective of this pilot study is to detect microbleeds associated with SH using a magnetic resonance imaging (MRI) quantitative susceptibility mapping (QSM) sequence and then evaluate the morphological characteristics of unstable aneurysms with microbleeds. METHODS Twenty CAs in 16 consecutive patients with an initial presentation of headache (HA) leading to a diagnosis of CA were analyzed. Headaches in 4 of the patients (two of whom had 2 aneurysms each) met the typical definition of SH, and the other 12 patients (two of whom also had 2 aneurysms each) all had migraine HA. All patients underwent imaging with the MRI-QSM sequence. Two independent MRI experts who were blinded to the patients' clinical history performed 3D graphical analysis to evaluate for potential microbleeds associated with these CAs. Computational flow and morphometric analyses were also performed to estimate wall shear and morphological variables. RESULTS In the 4 patients with SH, MRI-QSM results were positive for 4 aneurysms, and hence these aneurysms were considered positive for non-heme ferric iron (microbleeds). The other 16 aneurysms were negative. Among aneurysm shape indices, the undulation index was significantly higher in the QSM-positive group than in the QSM-negative group. In addition, the spatial averaged wall shear magnitude was lower in the aneurysm wall in direct contact with microbleeds. CONCLUSIONS MRI-QSM allows for objective detection of microbleeds associated with SH and therefore identification of unstable CAs. CAs with slightly greater undulation indices are associated with positive MRI-QSM results and hence with microbleeds. Studies with larger populations are needed to confirm these preliminary findings.
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Affiliation(s)
- Daichi Nakagawa
- Department of Neurosurgery, University of Iowa Hospitals and Clinics
| | - Kohsuke Kudo
- Department of Diagnostic and Interventional Radiology, Hokkaido University Hospital, Sapporo, Japan
| | - Olatilewa Awe
- Department of Neurosurgery, University of Iowa Hospitals and Clinics
| | - Mario Zanaty
- Department of Neurosurgery, University of Iowa Hospitals and Clinics
| | - Yasunori Nagahama
- Department of Neurosurgery, University of Iowa Hospitals and Clinics
| | - Cameron Cushing
- Department of Radiation Oncology, University of Iowa Hospitals and Clinics
| | - Vincent Magnotta
- Department of Radiology, University of Iowa Hospitals and Clinics
| | - Minako Hayakawa
- Department of Radiology, University of Iowa Hospitals and Clinics
| | - Lauren Allan
- Department of Surgery, University of Iowa Hospitals and Clinics
| | - Jeremy Greenlee
- Department of Neurosurgery, University of Iowa Hospitals and Clinics
| | - Issam A. Awad
- Section of Neurosurgery, University of Chicago Medicine
| | - Timothy Carroll
- Department of Diagnostic Radiology, University of Chicago Medicine and Biological Sciences, Chicago, Illinois
| | - James Torner
- Department of Epidemiology, University of Iowa Hospitals and Clinics
| | - Madhavan L. Raghavan
- Department of Biomedical Engineering, University of Iowa, Seamans Center for the Engineering Arts and Sciences, Iowa City, Iowa
| | - David M. Hasan
- Department of Neurosurgery, University of Iowa Hospitals and Clinics
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Long D, Koyfman A, Long B. The Thunderclap Headache: Approach and Management in the Emergency Department. J Emerg Med 2019; 56:633-641. [PMID: 30879843 DOI: 10.1016/j.jemermed.2019.01.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 01/06/2019] [Accepted: 01/25/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND A thunderclap headache (TCH) is a severe headache reaching at least 7 (out of 10) in intensity within 1 min of onset, and can be the presenting symptom of several conditions with potential for significant morbidity and mortality. OBJECTIVE OF THE REVIEW This narrative review evaluates the various conditions that may present with TCH and proposes a diagnostic algorithm for patients with TCH. DISCUSSION TCH is a symptom associated with several significant diseases. The most common diagnosed condition is subarachnoid hemorrhage (SAH). Other diagnoses include reversible cerebral vasoconstriction syndrome, cerebral venous thrombosis, cervical artery dissection, posterior reversible encephalopathy syndrome, spontaneous intracranial hypotension, and several others. Patients with TCH require history and physical examination, with a focus on the neurologic system, evaluating for these conditions, including SAH. Further testing often includes head computed tomography (CT) without contrast, CT angiography of the head and neck, and lumbar puncture. Evaluation must take into account history, examination, and the presence of any red flags or signs suggestive of a specific etiology. An algorithm is provided for guidance within this review incorporating these modalities. Management focuses on the specific diagnosis. If testing is negative for a serious condition and the patient improves, discharge home may be appropriate with follow-up. CONCLUSIONS Patients presenting with TCH require diagnostic evaluation. History and examination are vital in assessing for risk factors for various conditions. Focused testing can assist with diagnosis, with management tailored to the specific diagnosis.
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Affiliation(s)
- Drew Long
- Department of Emergency Medicine, Brooke Army Military Medical Center, Fort Sam Houston, Texas
| | - Alex Koyfman
- Department of Emergency Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Brit Long
- Department of Emergency Medicine, Brooke Army Military Medical Center, Fort Sam Houston, Texas
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Affiliation(s)
- Chih-Wen Yang
- Department of Neurology, National Yang-Ming University Hospital, Ilan, Taiwan
- Faculty of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan
| | - Jong-Ling Fuh
- Faculty of Medicine, National Yang-Ming University School of Medicine, Taipei, Taiwan
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
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22
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Montemayor ET, Long B, Pfaff JA, Moore GP. Patient with a Subarachnoid Headache. Clin Pract Cases Emerg Med 2018; 2:193-196. [PMID: 30083630 PMCID: PMC6075496 DOI: 10.5811/cpcem.2018.5.38417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 05/08/2018] [Accepted: 05/09/2018] [Indexed: 11/11/2022] Open
Abstract
Subarachnoid hemorrhage (SAH) is a life-threatening cause of headache. The diagnostic approach to this entity continues to evolve with a recent questioning of the classic workup of computed tomography and lumbar puncture. We report a risk management case of a patient with a missed SAH resulting in a fatal outcome. When there are multiple diagnostic strategies, the patient may be involved with shared decision-making. Some of the medical and legal implications of the diagnosis of SAH will be discussed.
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Affiliation(s)
| | - Brit Long
- Brooke Army Medical Center, Department of Emergency Medicine, San Antonio, Texas
| | - James A Pfaff
- Brooke Army Medical Center, Department of Emergency Medicine, San Antonio, Texas
| | - Gregory P Moore
- Madigan Army Medical Center, Department of Emergency Medicine, Tacoma, Washington
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24
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Abstract
Unruptured intracranial aneurysms often have a relatively benign clinical course. Frequently, they are found incidentally during workup for an underlying, possibly related or unrelated, symptom or condition. Overall, brain aneurysms are considered to have a relatively low annual risk of rupture. However, should it occur, aneurysmal subarachnoid hemorrhage can lead to significant morbidity and mortality. Our understanding of the natural history and treatment outcomes of cerebral aneurysms has significantly increased over the last few decades, but choosing the optimal management for each patient requires the careful consideration of numerous medical, clinical and anatomic factors. The purpose of this review is to help physicians and caregivers, who may participate in the diagnosis, counseling and triage of patients with brain aneurysms, understand the basic elements of decision making. We discuss natural history, risk factors, screening, presentation, diagnosis, and their implications on aneurysm management and long-term follow-up. We also provide an overview of the risks and benefits of currently available treatment options.
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Affiliation(s)
- Gabor Toth
- Cerebrovascular Center, Cleveland Clinic, Cleveland, OH, USA
| | - Russell Cerejo
- Cerebrovascular Center, Cleveland Clinic, Cleveland, OH, USA
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25
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Cho WS, Kim JE, Park SQ, Ko JK, Kim DW, Park JC, Yeon JY, Chung SY, Chung J, Joo SP, Hwang G, Kim DY, Chang WH, Choi KS, Lee SH, Sheen SH, Kang HS, Kim BM, Bae HJ, Oh CW, Park HS. Korean Clinical Practice Guidelines for Aneurysmal Subarachnoid Hemorrhage. J Korean Neurosurg Soc 2018. [PMID: 29526058 PMCID: PMC5853198 DOI: 10.3340/jkns.2017.0404.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Despite advancements in treating ruptured cerebral aneurysms, an aneurysmal subarachnoid hemorrhage (aSAH) is still a grave cerebrovascular disease associated with a high rate of morbidity and mortality. Based on the literature published to date, worldwide academic and governmental committees have developed clinical practice guidelines (CPGs) to propose standards for disease management in order to achieve the best treatment outcomes for aSAHs. In 2013, the Korean Society of Cerebrovascular Surgeons issued a Korean version of the CPGs for aSAHs. The group researched all articles and major foreign CPGs published in English until December 2015 using several search engines. Based on these articles, levels of evidence and grades of recommendations were determined by our society as well as by other related Quality Control Committees from neurointervention, neurology and rehabilitation medicine. The Korean version of the CPGs for aSAHs includes risk factors, diagnosis, initial management, medical and surgical management to prevent rebleeding, management of delayed cerebral ischemia and vasospasm, treatment of hydrocephalus, treatment of medical complications and early rehabilitation. The CPGs are not the absolute standard but are the present reference as the evidence is still incomplete, each environment of clinical practice is different, and there is a high probability of variation in the current recommendations. The CPGs will be useful in the fields of clinical practice and research.
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Affiliation(s)
- Won-Sang Cho
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Jeong Eun Kim
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Sukh Que Park
- Department of Neurosurgery, Soonchunhyang University School of Medicine, Seoul, Korea
| | - Jun Kyeung Ko
- Departments of Neurosurgery, Medical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Dae-Won Kim
- Department of Neurosurgery, Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Korea
| | - Jung Cheol Park
- Department of Neurosurgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Je Young Yeon
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung Young Chung
- Department of Neurosurgery, Eulji University Hospital, Daejeon, Korea
| | - Joonho Chung
- Department of Neurosurgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sung-Pil Joo
- Department of Neurosurgery, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea
| | - Gyojun Hwang
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Deog Young Kim
- Department of Rehabilitation Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Won Hyuk Chang
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Kyu-Sun Choi
- Department of Neurosurgery, Hanyang University Medical Center, Seoul, Korea
| | - Sung Ho Lee
- Department of Neurosurgery, Kyung Hee University School of Medicine, Seoul, Korea
| | - Seung Hun Sheen
- Department of Neurosurgery, Bundang Jesaeng General Hospital, Seongnam, Korea
| | - Hyun-Seung Kang
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Byung Moon Kim
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hee-Joon Bae
- Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Chang Wan Oh
- Department of Neurosurgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Hyeon Seon Park
- Department of Neurosurgery, Inha University School of Medicine, Incheon, Korea
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Abstract
Headache is a very common symptom in the neurointensive care unit (neuroICU). While headache in the neuroICU can be caused by worsening of a pre-existing primary headache disorder, most are secondary to another condition. Additionally, headache can be the presenting symptom of a number of conditions requiring prompt recognition and treatment including subarachnoid hemorrhage, ischemic and hemorrhagic stroke, central nervous system infection, pituitary apoplexy, and cerebral vasoconstriction. The neuroICU also has a unique postoperative population in which postcraniectomy and postcraniotomy headache, postintravascular intervention headache, hyperperfusion syndrome, ventriculitis, medication overuse or withdrawal headache, and hypercapnia may be encountered. Management varies dramatically depending on the etiology of the headache. Overreliance on opiate analgesics may produce significant adverse effects and lengthen ICU stays. However, nonnarcotic medications are increasingly being recognized as helpful in reducing the pain among various postsurgical and headache patients. Taken together, a multimodal approach targeting the underlying pathology and choosing appropriate systemic and local analgesic medications may be the best way to manage headache in critically ill patients.
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Affiliation(s)
- Michael T Lawton
- From the Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ (M.T.L.); and the Department of Neurosurgery, University of Rochester Medical Center, Rochester, NY (G.E.V.)
| | - G Edward Vates
- From the Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ (M.T.L.); and the Department of Neurosurgery, University of Rochester Medical Center, Rochester, NY (G.E.V.)
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Hammond N, Ranta A. Yield of head computed tomography in patients with new onset of transient headaches. Intern Med J 2017; 47:1141-1146. [PMID: 28589641 DOI: 10.1111/imj.13517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 05/29/2017] [Accepted: 05/30/2017] [Indexed: 11/29/2022]
Abstract
BACKGROUND Headache is a common patient complaint. The threshold for brain imaging in headache is debated, especially when the headache is transient, although even if the headache has resolved at presentation, a sentinel bleed heralding a subarachnoid haemorrhage (SAH) often remains a concern. AIM To assess the yield of computed tomography (CT) head scan referrals for patients with transient headache symptoms. METHODS This study looked at 6 months of CT results in order to assess for brain pathology, with a particular focus on subarachnoid haemorrhage. Where any pathology was identified, detailed chart review looked for potential high-risk indicators. RESULTS Between January and July 2015, 531 undifferentiated headache patients were referred for head CT. Of these, 177 (33.3%) presented with a transient or episodic pattern. None of these cases had SAH on imaging nor re-presented with SAH within 3 months of initial CT. However, 7.3% (13/177) had other significant intracranial pathologies. The only significant risk factor for CT abnormality in this setting was focal neurology on presentation (odds ratio 3.1 (95% confidence interval (CI) 1.2-11.0); P = 0.044). All identified cases of SAH over the 6-month study period occurred in patients with persistent headache, and their clinical presentations showed a similar cluster of symptoms to previous literature (including thunderclap headache, vomiting and loss of consciousness). CONCLUSION This study suggests that patients with transient headache are at a low risk of SAH; however, further study is needed to quantify this, and other serious pathologies remains a concern, especially in the setting of focal neurology at presentation.
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Affiliation(s)
- Niamh Hammond
- Department of Medicine, University of Otago, Wellington, New Zealand
| | - Annemarei Ranta
- Department of Medicine, University of Otago, Wellington, New Zealand.,Department of Neurology, Capital and Coast District Health Board, Wellington, New Zealand
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Unruptured intracranial aneurysms: An updated review of current concepts for risk factors, detection and management. Rev Neurol (Paris) 2017; 173:542-551. [PMID: 28583271 DOI: 10.1016/j.neurol.2017.05.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/03/2016] [Accepted: 05/12/2017] [Indexed: 02/07/2023]
Abstract
The management of patients with unruptured intracranial aneurysms (UIAs) is a complex clinical challenge and constitutes an immense field of research. While a preponderant proportion of these aneurysms never rupture, the consequences of such an event are severe and represent an important healthcare problem. To date, however, the natural history of UIAs is not completely understood and there is no accurate means to discriminate the UIAs that will rupture from those that will not. Yet, a good understanding of the recent evidence and future perspectives is needed when advising a patient with IA to tailor any information to the given patient's level of risk and psychoaffective status. Thus, this review addresses the current concepts of epidemiology, risk factors, detection and management of UIAs.
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Nakagawa D, Cushing C, Nagahama Y, Allan L, Hasan D. Quantitative Susceptibility Mapping as a Possible Tool to Radiographically Diagnose Sentinel Headache Associated with Intracranial Aneurysm: Case Report. World Neurosurg 2017; 103:954.e1-954.e4. [PMID: 28465264 DOI: 10.1016/j.wneu.2017.04.151] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/21/2017] [Accepted: 04/22/2017] [Indexed: 11/29/2022]
Abstract
BACKGROUND Sentinel headache (SH) occurs before aneurysm rupture in an estimated 15%-60% of cases of aneurysmal subarachnoid hemorrhage (aSAH). By definition, noncontrast computed tomography (CT) scan of the brain and lumbar puncture are both negative in patients presenting with SH. One of the theories explaining this phenomenon is that microhemorrhage (MH) from the aneurysm wall contribute to iron deposition in the interface between the aneurysm wall and brain parenchyma. Quantitative susceptibility mapping (QSM) is a recently introduced magnetic resonance imaging (MRI) technique that has proven capable of localizing the deposition of paramagnetic metals, particularly ferric iron. Thus, the QSM sequence may be able to detect iron deposition secondary to MH. CASE DESCRIPTION A 76-year-old male presented with the "worst headache of my life." Noncontrast head CT scan and lumbar puncture were negative. Magnetic resonance angiography (MRA) of the brain revealed an anterior communicating artery (A-com) aneurysm measuring 7 mm with a large bleb. T1-weighted imaging (WI), T2-WI, MRA, T2 star-weighted angiography (SWAN), and QSM sequences were obtained. T2-WI, SWAN, and QSM revealed isointense, hypointense, and hyperintense signals, respectively, at the interface of the aneurysm wall and brain tissue. These findings were consistent with deposition of ferric iron at this interface. The A-com aneurysm was treated with coil embolization, and the patient exhibited no postoperative deficits. CONCLUSIONS The MRI QSM sequence can localize iron deposition resulting from MH within an aneurysmal wall. This sequence may be a promising imaging tool for screening patients presenting with SH.
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Affiliation(s)
- Daichi Nakagawa
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA; Department of Biomedical Engineering, Seamans Center for the Engineering Arts and Sciences, University of Iowa, Iowa City, Iowa, USA
| | - Cameron Cushing
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Yasunori Nagahama
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Lauren Allan
- Department of General Surgery, Mercy Medical Center, Des Moines, Iowa, USA
| | - David Hasan
- Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
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Hokari M, Nakayama N, Shimoda Y, Houkin K. Effect of Headache on the Pathologic Findings of Unruptured Cerebral Saccular Aneurysms. World Neurosurg 2017; 103:431-441. [PMID: 28427983 DOI: 10.1016/j.wneu.2017.01.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 01/15/2017] [Accepted: 01/17/2017] [Indexed: 11/24/2022]
Abstract
BACKGROUND Some patients with aneurysm exhibit warning headaches without minor bleeding, and this could be caused by stretching of the aneurysm wall. Recently, our pathologic study observed subintimal fibrin deposition in a majority of the ruptured aneurysms. However, these findings also were observed in some unruptured aneurysms. In this report, 2 unruptured aneurysms exhibited subintimal fibrin, and interestingly, one of the patients experienced severe headache within 1 month before neuroimaging. OBJECTIVE We performed pathologic analysis of unruptured aneurysms and collected their various clinical variables, including severe headache, to clarify the clinical characteristics of "dangerous" unruptured aneurysms. METHODS This study included unruptured saccular aneurysm samples (n = 17) that were resected after clipping. We compared the differences in clinical variables, including warning headache, between aneurysms with and without fibrin deposition. RESULTS Fibrin deposition was present in the subintimal layer in 4 patients and in the periouter membrane in 4 patients. Three of the 4 former patients experienced warning headaches, and one presented aneurysm growth. Of the latter 4 patients, one exhibited aneurysm growth, whereas the others presented with relatively large aneurysms. In the remaining 9 aneurysms without fibrin deposition, monocyte infiltration was observed in one, all aneurysms were small, and no patients experienced warning headaches or aneurysm growth. CONCLUSIONS Subintimal fibrin deposition is observed frequently in patients with aneurysm with warning headaches. These pathologic findings are clinically inspiring and may suggest that these aneurysms exhibit rapid stretching by newly formed aneurysms, which can result in rupture at an early stage.
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Affiliation(s)
- Masaaki Hokari
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
| | - Naoki Nakayama
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Yusuke Shimoda
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Kiyohiro Houkin
- Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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Arena JE, Hawkes MA, Farez MF, Pertierra L, Kohler AA, Marrodán M, Benito D, Goicochea MT, Miranda JC, Ameriso SF. Headache and Treatment of Unruptured Intracranial Aneurysms. J Stroke Cerebrovasc Dis 2017; 26:1098-1103. [PMID: 28187991 DOI: 10.1016/j.jstrokecerebrovasdis.2016.12.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 12/20/2016] [Accepted: 12/25/2016] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND AND PURPOSE The relationship between unruptured intracranial aneurysms (UIAs) and chronic headache and the impact of aneurysm treatment on headache outcome are controversial. The aim of this study was to determine clinical features of a supposedly primary headache in patients with UIA. We also assessed changes in headache characteristics after UIA treatment. METHODS We examined clinical and imaging data of patients in whom a UIA was diagnosed during diagnostic workup of a suspected primary headache. Medical records were reviewed and personal telephone follow-ups were performed after UIA treatment to assess changes in the frequency and intensity of the headache. RESULTS Forty-two patients (76%) reported a substantial improvement in headache frequency and intensity after UIA treatment. Forty-five patients (81%) reported a decrease in headache frequency from a median of 8 days/month before treatment to 1 day/month after treatment (95% confidence interval [CI] 81-83, P < .001). The average intensity in an analog pain scale was 7.7 ± 1.6 before treatment and 5.6 ± 2.4 after treatment (P < .001). Higher headache frequency was associated with a greater odd of improvement after treatment (odds ratio 1.12, 95% CI 1.0-1.26, P = .03). No associations were found between the type of headache, type of treatment (endovascular versus surgical), number, size, or localization of the aneurysms and the response to treatment. CONCLUSIONS The treatment of UIA had a robust beneficial effect on previous headache. Although a "placebo" effect of aneurysm treatment cannot be ruled out, these results suggest a potential association between UIA and certain chronic headaches usually considered to be primary.
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Affiliation(s)
- Julieta E Arena
- Department of Neurology, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Maximiliano A Hawkes
- Department of Neurology, Division of Critical Care Neurology, Mayo Clinic, Rochester, Minnesota
| | - Mauricio F Farez
- Department of Neurology, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Lucia Pertierra
- Department of Neurology, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Alejandro A Kohler
- Department of Neurology, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Mariano Marrodán
- Department of Neurology, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Darío Benito
- Department of Neurosurgery, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Maria T Goicochea
- Department of Neurology, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Juan C Miranda
- Department of Neurosurgery, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
| | - Sebastián F Ameriso
- Department of Neurology, Raúl Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina.
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Abstract
Aneurysmal subarachnoid hemorrhage (SAH) is a neurological emergency with high risk of neurological decline and death. Although the presentation of a thunderclap headache or the worst headache of a patient's life easily triggers the evaluation for SAH, subtle presentations are still missed. The gold standard for diagnostic evaluation of SAH remains noncontrast head computed tomography (CT) followed by lumbar puncture if the CT is negative for SAH. Management of patients with SAH follows standard resuscitation of critically ill patients with the emphasis on reducing risks of rebleeding and avoiding secondary brain injuries.
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Affiliation(s)
- Michael K Abraham
- Department of Emergency Medicine, University of Maryland School of Medicine, 110 South Paca Street, 6th Floor, Suite 200, Baltimore, MD 21201, USA
| | - Wan-Tsu Wendy Chang
- Department of Emergency Medicine, University of Maryland School of Medicine, 110 South Paca Street, 6th Floor, Suite 200, Baltimore, MD 21201, USA.
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Abstract
PURPOSE OF REVIEW A thunderclap headache is a very severe headache that reaches its maximum intensity within 1 minute. Patients with thunderclap headache must be evaluated emergently and comprehensively to rule out underlying disorders that can be associated with high mortality and morbidity, determine the cause for the thunderclap headache, and initiate targeted therapy. This review presents an up-to-date summary on the clinical presentation, diagnostic evaluation, and causes of thunderclap headache. RECENT FINDINGS Numerous etiologies for thunderclap headaches have been identified, with the most common causes being subarachnoid hemorrhage and reversible cerebral vasoconstriction syndrome. Other relatively common causes include cervical artery dissection, cerebral venous sinus thrombosis, and spontaneous intracranial hypotension. Although "primary" thunderclap headache is typically accepted to exist, it may be that such cases represent missed diagnoses of underlying causes. The urgent evaluation of the patient with thunderclap headache includes brain CT, followed by lumbar puncture if the brain CT is nondiagnostic. If a diagnosis is not reached following brain CT and lumbar puncture, brain MRI and imaging of the brain and cervical vasculature are indicated. SUMMARY Patients with thunderclap headache require an emergent and comprehensive evaluation to identify the underlying cause and to initiate appropriate therapy.
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Gilard V, Grangeon L, Guegan-Massardier E, Sallansonnet-Froment M, Maltête D, Derrey S, Proust F. Headache changes prior to aneurysmal rupture: A symptom of unruptured aneurysm? Neurochirurgie 2016; 62:241-244. [DOI: 10.1016/j.neuchi.2016.03.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 11/29/2015] [Accepted: 03/31/2016] [Indexed: 11/25/2022]
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Headache in subarachnoid hemorrhage and headache attributed to intracranial endovascular procedures. Neurol Sci 2016; 36 Suppl 1:67-70. [PMID: 26017515 DOI: 10.1007/s10072-015-2193-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Headache is a critical problem in the emergency setting. In this paper we briefly review the epidemiological data regarding headache in Subarachnoid Hemorrhage (SAH), considering the role of headache as a warning symptom and the other clinical manifestation of SAH. We have also introduced a recent clinical entity, represented by headache associated to intracranial endovascular procedures (IEPs).
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Tarulli A. Headache and Facial Pain. Neurology 2016. [DOI: 10.1007/978-3-319-29632-6_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Natarajan SK, Mokin M, Sonig A, Levy EI. Neuroimaging of headaches associated with vascular disorders. Curr Pain Headache Rep 2015; 19:16. [PMID: 26017708 DOI: 10.1007/s11916-015-0489-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Headaches from vascular causes need to be differentiated from primary headaches because a misdiagnosis may lead to dire consequences for the patient. Neuroimaging is critical in identifying patients with vascular headaches and identifying the nature of the pathologic disorder causing these headaches. In addition, the imaging findings guide the physician regarding the optimal treatment modality for these lesions. This review summarizes the nuances of differentiating patients with secondary headaches related to vascular disease and discusses pertinent neuroimaging studies.
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Affiliation(s)
- Sabareesh K Natarajan
- Department of Neurosurgery, School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, 100 High Street, Suite B4, Buffalo, NY, 14203, USA
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Li J, Shen B, Ma C, Liu L, Ren L, Fang Y, Dai D, Chen S, Lu J. 3D contrast enhancement-MR angiography for imaging of unruptured cerebral aneurysms: a hospital-based prevalence study. PLoS One 2014; 9:e114157. [PMID: 25463352 PMCID: PMC4252087 DOI: 10.1371/journal.pone.0114157] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 11/04/2014] [Indexed: 12/11/2022] Open
Abstract
Background and Purpose Contrast enhanced MRA (CE-MRA) can help to overcome the limitations of other techniques to clearly display the details of cerebral aneurysms at 1.5-T MR system. We investigated the prevalence of unruptured cerebral aneurysms (UCAs) using three dimensional (3D) CE-MRA in a tertiary comprehensive hospital in China. Materials and Methods The cases were prospectively recorded at our hospital between February 2009 and October 2010. 3D CE-MRA, interpreted by 2 observers blinded to the participants’ information, was used to identify the location and size of UCAs and to estimate the overall, age-specific, and sex-specific prevalence. Results Of the 3993 patients (men: women = 2159∶1834), 408 UCAs were found in 350 patients (men: women = 151∶199). The prevalence was 8.8% overall (95% CI, 8.0–10.0%), with 7.0% for men (CI, 6.0–8.0%) and 10.9% for women (CI, 9.0–12.0%). The overall prevalence of UCAs was higher in women than in men (P<0.001) and increased with age both in men and women. Prevalence peaked at age group 75–80 years. Forty-two patients (11.7%) had multiple aneurysms, including 10 (2.9%) male patients and 32 (9.1%) female patients. The most common site of aneurysm was the carotid siphon, and most lesions (71.3%) had a maximum diameter of 3−5 mm. Conclusion This hospital-based prevalence study suggested a high prevalence (8.8%) of UCAs and most lesions (71.3%) had a maximum diameter of 3–5 mm observed by 3D CE-MRA. Because the rupture of small cerebral aneurysms was not uncommon, an appropriate follow-up care strategy must be formulated.
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Affiliation(s)
- Jing Li
- Department of Radiology, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Bixia Shen
- Department of Radiology, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Chao Ma
- Department of Radiology, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Li Liu
- Department of Radiology, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Li Ren
- Department of Radiology, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Yibin Fang
- Department of neurosurgery, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Dongwei Dai
- Department of neurosurgery, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Shiyue Chen
- Department of Radiology, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
| | - Jianping Lu
- Department of Radiology, Changhai Hospital of Shanghai, the Second Military Medical University, Shanghai, 200433, China
- * E-mail:
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Saleem MA, Macdonald RL. Cerebral aneurysm presenting with aseptic meningitis: a case report. J Med Case Rep 2013; 7:244. [PMID: 24139091 PMCID: PMC4016604 DOI: 10.1186/1752-1947-7-244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Accepted: 08/29/2013] [Indexed: 11/10/2022] Open
Abstract
Introduction This case highlights the potential importance of new-onset headache, even in the absence of other worrisome features, in a patient with a cerebral aneurysm. Case presentation A 61-year-old Caucasian woman presented with nonspecific insidious onset of headache, a superior cerebellar artery aneurysm and cerebrospinal fluid lymphocytosis. She had a subarachnoid hemorrhage 21 days later, at which time the aneurysm had enlarged. The aneurysm was repaired endovascularly and the patient recovered with a modified Rankin score of 1. Conclusions This case suggests that new onset of chronic headache in a patient with an unruptured aneurysm may be due to aneurysm growth and can be associated with cerebrospinal fluid lymphocytosis. Headaches are common and may occur incidentally in patients with cerebral aneurysms, but new-onset headache, even if mild, should prompt consideration for timely aneurysm repair.
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Affiliation(s)
| | - R Loch Macdonald
- Division of Neurosurgery, St, Michael's Hospital, Labatt Family Centre of Excellence in Brain Injury and Trauma Research, Keenan Research Centre of the Li Ka Shing Knowledge Institute of St, Michael's Hospital, 30 Bond Street, Toronto, ON, M5B 1W8, Canada.
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King C. Listening to the head and not the heart: subarachnoid haemorrhage associated with severe acute left ventricular failure. BMJ Case Rep 2013; 2013:bcr-2013-009877. [PMID: 23988819 DOI: 10.1136/bcr-2013-009877] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Headache is a very common presenting symptom in the emergency department, and distinguishing subarachnoid haemorrhage from more benign causes of headache can be challenging. This particular presentation of subarachnoid haemorrhage was made more difficult by concurrent-related cardiac pathophysiology. This case report describes the evolving differential diagnosis of a 54-year-old woman initially presenting with headache and confusion, with signs and investigations suggestive of ST elevation myocardial infarction and resultant left ventricular failure. The importance of prompt primary percutaenous coronary intervention left clinicians with a difficult decision about which specialty was most appropriate for the patient to be transferred to. Ultimately the symptoms were explained by radiographic confirmation of subarachnoid haemorrhage and subsequent adrenergic storm, causing myocyte injury and myocardial contractile dysfunction. This patient was transferred for coiling of a ruptured cerebral artery berry aneurysm. Her left ventricular failure improved from severe to mild within 48 h of presentation.
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Affiliation(s)
- Christopher King
- Department of Emergency Medicine, Chelsea & Westminster NHS Foundation Trust, London, UK.
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Abstract
Headaches are described as primary, where no contributing cause is found, or secondary, where a discrete lesion or other condition has triggered the phenotype. Primary headache is a common condition; migraine causes much of the morbidity in this population, at great personal and economic cost. The decision to use MRI is a common dilemma facing clinicians, particularly as primary headache phenotypes can be triggered by secondary causes. Studies demonstrate that there is no appreciable difference in the frequency of pathological and incidental findings in common headache populations compared with the general community. Imaging is therefore not routinely required where a primary headache diagnosis can be made. Clinicians must be aware of the risk of manufacturing morbidity in uncovering incidental and nonsignificant imaging changes. However, patients demonstrating 'red flags' on medical history and examination do require imaging to help exclude a secondary cause of symptoms. Other headache phenotypes, such as the trigeminal autonomic cephalalgias, also generally require MRI.
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Affiliation(s)
- Michael Eller
- Headache Group-Department of Neurology, University of California, San Francisco, CA, USA
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Schwedt TJ. Thunderclap Headaches: A Focus on Etiology and Diagnostic Evaluation. Headache 2013; 53:563-9. [DOI: 10.1111/head.12041] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/05/2012] [Indexed: 11/27/2022]
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Nagy K, Skagervik I, Tumani H, Petzold A, Wick M, Kühn HJ, Uhr M, Regeniter A, Brettschneider J, Otto M, Kraus J, Deisenhammer F, Lautner R, Blennow K, Shaw L, Zetterberg H, Mattsson N. Cerebrospinal fluid analyses for the diagnosis of subarachnoid haemorrhage and experience from a Swedish study. What method is preferable when diagnosing a subarachnoid haemorrhage? Clin Chem Lab Med 2013; 51:2073-86. [DOI: 10.1515/cclm-2012-0783] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2012] [Accepted: 03/12/2013] [Indexed: 11/15/2022]
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Pereira JLB, de Albuquerque LAF, Dellaretti M, de Carvalho GTC, Vieira G, Rocha MI, Loures LLA, Christo PP, de Sousa AA. Importance of recognizing sentinel headache. Surg Neurol Int 2012; 3:162. [PMID: 23372978 PMCID: PMC3551504 DOI: 10.4103/2152-7806.105101] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2012] [Accepted: 10/23/2012] [Indexed: 11/17/2022] Open
Abstract
Background: Sentinel headache (SH) is a kind of secondary headache and is characterized as sudden, intense, and persistent, preceding spontaneous subarachnoid hemorrhage (SAH) by days or weeks. Methods: Eighty-nine consecutive patients with a diagnosis of spontaneous SAH were evaluated following admission to the Neurosurgical Service at Santa Casa Hospital, Belo Horizonte, between December 2009 and December 2010. Results: Out of the 89 patients, 64 (71.9%) were women. Mean age was 48.9 years (SD ± 13.4, ranging from 18 to 85 years). Twenty-four patients (27.0%) presented SH, which occurred, in average, 10.6 days (SD ± 13.5) before a SAH. No statistically significant differences were observed between the presence of SH and gender, arterial hypertension and migraine (P > 0.05), Glasgow Comma Scale (GCS) and World Federation of Neurological Surgeons (WFNS) scale at admission. Conclusion: The prevalence of SH was 27% in this study but no related factors were identified. Therefore, further clarification of this important entity is required so as to facilitate its recognition in emergency services and improve the prognosis of patients with cerebral aneurysms.
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Abstract
Presentation of a cerebral aneurysm can be incidental, discovered at imaging obtained for unrelated causes, can occur in the occasion of imaging obtained for symptoms possibly or likely related to the presence of an unruptured aneurysm, or can occur with signs and symptoms at the time of aneurismal rupture. Most unruptured intracranial aneurysms are thought to be asymptomatic, or present with vague or non-specific symptoms like headache or dizziness. Isolated oculomotor nerve palsies, however, may typically indicate the presence of a posterior circulation aneurysm. Ruptured intracranial aneurysms are by far the most common cause of non-traumatic subarachnoid hemorrhage and represent a neurological emergency with potentially devastating consequences. Subarachnoid hemorrhage may be easily suspected in the presence of sudden and severe headache, vomiting, meningism signs, and/or altered mental status. However, failure to recognize milder and more ambiguous clinical pictures may result in a delayed or missed diagnosis. In this paper we will describe the clinical spectrum of unruptured and ruptured intracranial aneurysms by discussing both typical and uncommon clinical features emerging from the literature review. We will additionally provide the reader with descriptions of the underlying pathophysiologic mechanisms, and main diagnostic pitfalls.
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Post-subarachnoid hemorrhage vasospasm in patients with primary headache disorders. Neurocrit Care 2012. [PMID: 23192335 DOI: 10.1007/s12028-012-9801-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND Altered cerebral vasomotor reactivity leading to vasospasm can be seen both in patients with primary headache disorders (PHD) and in patients with subarachnoid hemorrhage (SAH). The pathogenesis of vasospasm in post-SAH patients and in headache disorder sufferers may be related. To address this hypothesis, we analyzed a large cohort of SAH patients to determine whether a diagnosis of PHD predisposes to vasospasm, delayed cerebral ischemia, or worsened clinical outcome. METHODS Prospectively collected data from patients enrolled in the SAH Outcomes Project between 1996 and 2006 were analyzed. Patients were segregated based on whether they had a diagnosis of PHD or not and were subsequently compared for differences in clinical and radiographic outcome. RESULTS A total of 921 SAH patients were analyzed, 265 of which had a diagnosis of PHD. In total, symptomatic vasospasm was seen in 17%, while angiographic vasospasm was seen in 28%. Vasospasm rates were similar among patients with a PHD and in those without a PHD (p > 0.05). However, on multivariate analysis new ischemic infarcts were more common in patients with a PHD as compared to patients without a PHD (p = 0.015). Functional outcomes at 3 months were similar among PHD and non-PHD patients (p > 0.05). CONCLUSION A history of PHD is associated with an increased rate of ischemic infarcts during admission for SAH. Increased rates of vasospasm within small cerebral blood vessels may be implicated. Further studies are warranted to more closely link the mechanisms of vasospasm in PHD and SAH patients.
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Abstract
Recurrent thunderclap headaches, seizures, strokes, and non-aneurysmal subarachnoid haemorrhage can all reveal reversible cerebral vasoconstriction syndrome. This increasingly recognised syndrome is characterised by severe headaches, with or without other symptoms, and segmental constriction of cerebral arteries that resolves within 3 months. Reversible cerebral vasoconstriction syndrome is supposedly due to a transient disturbance in the control of cerebrovascular tone. More than half the cases occur post partum or after exposure to adrenergic or serotonergic drugs. Manifestations have a uniphasic course, and vary from pure cephalalgic forms to rare catastrophic forms associated with several haemorrhagic and ischaemic strokes, brain oedema, and death. Diagnosis can be hampered by the dynamic nature of clinicoradiological features. Stroke can occur a few days after initial normal imaging, and cerebral vasoconstriction is at a maximum on angiograms 2-3 weeks after clinical onset. The calcium channel blocker nimodipine seems to reduce thunderclap headaches within 48 h of administration, but has no proven effect on haemorrhagic and ischaemic complications.
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Affiliation(s)
- Anne Ducros
- Emergency Headache Centre, Head and Neck Clinic, Lariboisière Hospital, Paris, France.
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Abstract
Intracranial hemorrhage refers to any bleeding within the intracranial vault, including the brain parenchyma and surrounding meningeal spaces. This article focuses on the acute diagnosis and management of primary nontraumatic intracerebral hemorrhage and subarachnoid hemorrhage in the emergency department.
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Affiliation(s)
- J Alfredo Caceres
- Department of Neurology, Massachusetts General Hospital, Suite 3B, Zero Emerson Place, Boston, MA 01940, USA
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