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This national postal survey aimed to examine Canadian emergency physicians' practice patterns with respect to drug treatment and perspectives on peripheral nerve blocks.The treatment of primary headache disorders in the emergency department is variable.We surveyed 500 emergency physicians listed in the Canadian Medical Directory according to a modified Dillman's method: an initial invitation was followed by up to four reminders to nonresponders. Physicians were asked questions regarding their frequency of medication administration and perspectives toward peripheral nerve blocks.Of 500 mailed surveys, 468 were delivered and 179 physicians responded (response rate = 38.2%). The majority of physicians were men (92/144, 63.9%); 80.6% (116/144) had been in practice for greater than or equal to 10 years with 50.7% (75/148) in a community or district general teaching hospital. Commonly used pharmacotherapies for primary headaches were intravenous dopamine receptor antagonists (69%), co-administration of ketorolac and a dopamine receptor antagonist (54.2%), intravenous fluid boluses (54%), nonsteroidal anti-inflammatory drugs (NSAIDs) alone (53.5%), and acetaminophen (51.4%). Only 80 of 144 physicians (55.6%) reported previous experience with peripheral nerve blocks (95% confidence interval [CI] = 48%-65%). The majority (68/80, 85.0%) agreed peripheral nerve blocks are safe and 55.1% (43/78) agreed they are effective. The vast majority (118/140, 84.3%) would consider peripheral nerve blocks as a first-line treatment option given sufficient evidence from a future trial (95% CI = 78%-90%).NSAIDs alone, as well as dopamine receptor antagonists with or without ketorolac are commonly used for primary headache in Canadian emergency departments. A large proportion of physicians have never used a peripheral nerve block in their practice; among those who have experience with peripheral nerve blocks, the majority find them safe and effective. The majority of respondents would consider peripheral nerve blocks as a first-line treatment option given sufficient evidence from a future trial.

Background Multi-system inflammatory syndrome in children (MIS-C) involves multiple organs and shows increased inflammatory markers. Since the onset of the COVID-19 pandemic, several studies have reported the association between severe COVID-19 and MIS-C. Reversible cerebral vasoconstriction syndrome (RCVS) presents with thunderclap headaches and multifocal reversible vasoconstriction on imaging. RCVS is very rare in children. This paper reports two cases of pediatric COVID-19 with severe MIS-C and clinical and imaging features indicative of RCVS. Methods Clinical, laboratory and imaging data of the patients were reviewed. The diagnosis of RCVS was confirmed based on clinical symptomatology and brain magnetic resonance imaging findings. Results Two pediatric patients with clinical findings compatible with severe MIS-C and hemodynamic compromise presented to the hospital. During their hospitalization course, they developed thunderclap headaches and neurological deficits. Both were receiving vasoactive agents, intravenous immune globulin (IVIG), and immunosuppressants. Imaging studies showed marked multifocal cerebral vasoconstriction in both cases and infarcts in one. The course and management of the patients will be presented. After controlling inflammation and elimination of triggers, both patients were ultimately symptom-free upon discharge. Cerebral vasoconstriction had completely resolved on follow-up imaging. Conclusions Although a variety of symptoms including headaches may be seen in pediatric COVID-19 patients with MIS-C, RCVS should be considered as a differential diagnosis in cases of thunderclap headache accompanied by neurologic signs in these patients. Imaging findings and follow-up are also key in establishing the diagnosis.

Objective To describe transcranial Doppler (TCD) findings in a population with clinical probable RCVS . Exploratory objectives included the study of clinical characteristics of probable RCVS patients with and without spasm detected by TCD. Methods Cross-sectional cohort study of patients with thunderclap headache (TCH) without subarachnoid hemorrhage (SAH) of our neurology and headache center between 2010 and 2019, selecting patients with clinical diagnosis of probable RCVS (negative angiography study) by ICHD-3 criteria and with at least two TCD studies. Results From 114 TCH patients, 36/114 had probable RCVS by ICHD-3 criteria and had at least two TCD studies available. The mean age at RCVS onset was 42.9 years (21–72 years); 29/36 (80.6%) were female, 7/28 (25%) had cardiovascular risk factors and 20/36 (55.6%) had history of migraine. Most common triggers were stressful emotion, drugs, valsalva maneuvers and sexual activity. Five/36 (13.9%) had complications and 3/36 (8.3%) had late recurrence. Initial TCD was performed on average of 16 (6–26) days after headache onset. Twenty-nine had vasospasm on TCD, presenting mean flow velocity of MCA (VMCA) of 135.7 ± 17.0 cm/s and mean maximum VMCA of 138.3 ± 17.2. Vasospasm was mild in 21/29 patients (72.4%) and moderate in 8/29 (27.6%). Complete VMCA normalization occurred on average 41 (30–70) days after headache onset and 24 (11–47) days after initial TCD. The group of patients with vasospasm detected by TCD had more female patients (26/29, 89.7% vs. 3/7, 42.8%, P = 0.016), and more TCH attacks (mean of 3.6 vs. 2.14, P = 0.049). Conclusion TCD may be a useful tool in the identification of vasospasm in patients with probable RCVS, supporting the diagnosis of RCVS in patients presenting with recurrent TCH without SAH.

Objective Assessment of the prevalence of primary headache disorders, associated risk factors and use of acute/preventive medication in a representative large sample of adolescents. Methods Within the EVA-Tyrol project, a community-based non-randomized controlled cross-sectional study, data was collected from adolescents aged 14–19 years from 45 sites across North-, East- and South Tyrol. Headaches were classified according to the latest ICHD-3 and assessed by headache specialists in face-to-face interviews. Findings Of 1923 participants 930 (48.4%) reported having headaches. Female to male ratio was 2:1. Migraine, tension-type headache and other headache were diagnosed in 10%, 30.2% and 8.2% respectively. Medication overuse was diagnosed in 3.4%, increasing up to 21.7% in participants with chronic headache. The use of preventative medication was not reported by any adolescent. Sleep disturbances (p Conclusion We report high prevalence of primary headache disorders and medication overuse in a large community-based sample of teenagers. Acute and preventive non-drug and pharmacological treatments are not established due to lack of paediatric headache outpatient clinics. Promoting health education in teenagers and encouraging public awareness, including that of health care providers is pivotal. Trial registration: EVA-Tyrol has been retrospectively registered at clinicaltrials.gov under https://clinicaltrials.gov/ct2/show/NCT03929692 since April 29, 2019.

Tuberous sclerosis complex (TSC) and neurofibromatosis (NF) are neurocutaneous disorders often encountered by neurologists in clinical practice. This article aims to familiarize adult and pediatric neurologists with common features of these disorders and headache specific evaluation and management.Non-malignant intracranial tumors in TSC include cortical tubers (glioneuronal hamartomas), subependymal nodules or subependymal giant-cell astrocytomas (SEGA). Headache disorders in TSC are largely secondary and can cause headaches due to increased intracranial pressure, mass effect, obstructive hydrocephalus, or hemorrhage. Neurosurgical intervention is typically required for management of large SEGAs; however, in patients with increased surgical risk, newer treatment modalities may be offered such as neoadjuvant therapy with an mTOR inhibitor (mTORi). Newer studies indicate headache disorders are more prevalent in neurofibromatosis type 1 (NF1). Primary headache disorders can include migraine and tension-type headache, while secondary headache disorders can be due to associated neoplasms such as optic pathway gliomas or brainstem gliomas, or less commonly vasculopathies such as moyamoya syndrome. Selumetinib is an oral, small molecule mitogen-activated protein kinase (MEK) agent with antineoplastic activity which is in ongoing trials for treatment of NF1-associated pediatric low-grade gliomas. NF1 stands out as having a higher association with primary headache disorders such as migraine. This association may be related to effects of mutation of the neurofibromin gene on pathways involved in pain and migraine genesis, however, warrants future study. Care should be taken when formulating a headache treatment plan to address comorbidities and avoid medications that may be contraindicated.

This work aimed to review the epidemiology, clinical criteria, and primary and secondary diagnoses of pediatric thunderclap headache and to compare to adult thunderclap headache.Thunderclap headache among children aged 6-18 years are rare; this headache presented in 0.08% of the patients admitted to a pediatric emergency department in a tertiary pediatric center. In that recent single-center study, thunderclap was a headache of grade 10 on the pain scale and conferred a benign course. Contrary to adults, in children, most thunderclap headaches are due to either a primary thunderclap headache or another type of primary headache. A number of case reports have attributed pediatric thunderclap to reversible vasoconstriction syndrome and bleeding due to intracranial aneurysm. However, 3-year data from a pediatric emergency department of one center did not find these reasons to be causes of secondary thunderclap headache. This may be due to the rarity of these diagnoses in children compared to adults. Four of the 19 patients with thunderclap headache reported in that single study had secondary thunderclap; the causes were infection in three and malignant hypertension in one. All the patients had a benign course. Although urgent imaging and lumbar puncture are required in the workup of pediatric thunderclap, severe causes are very rare. More research is needed to investigate pediatric thunderclap headache.

A 71-year-old man had persistent cervical pain secondary to thunderclap headache during sleep. MRI conducted the next morning revealed subdural hematoma and convexity subdural hemorrhage on the right occipital region, and the patient was hospitalized. MRA showed vascular narrowing in the bilateral PCA. Follow-up MRA on day 8 of admission showed aggravated vascular narrowing of PCA, indicative of reversible cerebral vasoconstriction syndrome (RCVS). The patient was treated with a calcium-channel antagonist. Post-discharge MRA showed improvement of PCA narrowing, and the diagnosis of RCVS was confirmed.

Background: In a recent Italian study, 30% of patients with reversible cerebral vasoconstriction syndrome (RCVS) presented without thunderclap headache (TCH), and tended to present more severe forms of RCVS than patients with TCH. We aimed to analyze the risk for complications of RCVS in patients with and without TCH at onset. Methods: In a pooled cohort of 345 French patients with RCVS, we compared patients with and without TCH at onset regarding rates of neurological complications, and the functional outcome at 3 months. Results: As compared to the 281 patients with TCH at onset, the 64 patients without TCH had a higher risk for any neurological complication (61% vs. 24%, OR 4.9, 95% CI 2.8-8.7, p < 0.001). The association was strongest for cervical artery dissections (28% vs. 5%, OR 8.1, 95% CI 3.7-17.6, p < 0.001), followed by posterior reversible encephalopathy syndrome (17% vs. 3%, OR 7.1, 95% CI 2.7-18.4, p < 0.001), seizures (9% vs. 2.5%, OR 4.1, 95% CI 1.3-12.5, p = 0.019), and subarachnoid hemorrhage (41% vs. 16%, OR 3.5, 95% CI 1.9-6.3, p < 0.001). In multivariable analysis, the risk for any neurological complication remained significantly elevated in the absence of TCH (OR 3.5, 95% CI 1.8-6.8, p < 0.001). The functional outcome was equal in both groups, with a modified Rankin scale score of 0-1 in ≥90% of patients. Conclusions: Absence of TCH at onset might predict a higher risk of complications in RCVS. Our results warrant further multicentric studies to prove this finding.

Background To differentiate primary headache associated with sexual activity from other devastating secondary causes. Methods In this prospective cohort, we recruited consecutive patients with at least 2 attacks of headache associated with sexual activity from the headache clinics or emergency department of a national medical center from 2005 to 2020. Detailed interview, neurological examination, and serial thorough neuroimaging including brain magnetic resonance imaging and magnetic resonance angiography scans were performed on registration and during follow-ups. Patients were categorized into four groups, i.e. primary headache associated with sexual activity, reversible cerebral vasoconstriction syndrome, probable reversible cerebral vasoconstriction syndrome, and other secondary headache associated with sexual activity through a composite clinic-radiological diagnostic algorithm. We compared the clinical profiles among these groups, including sex, age of onset, duration, quality, and clinical course (“chronic” indicates disease course ≥ 1 year). In addition, we also calculated the score of the reversible cerebral vasoconstriction syndrome2, a scale developed to differentiate reversible cerebral vasoconstriction syndrome from other intracranial vascular disorders. Results Overall, 245 patients with headache associated with sexual activity were enrolled. Our clinic-radiologic composite algorithm diagnosed and classified all patients into four groups, including 38 (15.5%) with primary headache associated with sexual activity, 174 (71.0%) with reversible cerebral vasoconstriction syndrome, 26 (10.6%) with probable reversible cerebral vasoconstriction syndrome, and 7 (2.9%) with other secondary causes (aneurysmal subarachnoid hemorrhage (n = 4), right internal carotid artery dissection (n = 1), Moyamoya disease (n = 1), and meningioma with hemorrhage (n = 1)). These four groups shared similar clinical profiles, except 26% of the patients with primary headache associated with sexual activity had a 3 times greater chance of running a chronic course (≥ 1 year) than patients with reversible cerebral vasoconstriction syndrome. Of note, the reversible cerebral vasoconstriction syndrome2 score could not differentiate reversible cerebral vasoconstriction syndrome from other groups. Conclusion Our composite clinic-radiological diagnostic algorithm successfully classified repeated headaches associated with sexual activity, which were predominantly secondary and related to vascular disorders, and predicted the prognosis. Primary headache associated with sexual activity and reversible cerebral vasoconstriction syndrome presented with repeated attacks of headache associated with sexual activity may be of the same disease spectrum.

This article systematically reviews the empirical literature examining the efficacy of digital headache management interventions for patients with a primary headache disorder.Digital headache management interventions provide opportunities to improve access to behavioral headache interventions to underserved groups.A systematic search of PubMed, Scopus, and EBSCO (PsycInfo, Education Research Complete, ERIC, Health Source: Nursing/Academic Edition, Psychology and Behavioral Sciences Collection) and reference review was conducted. Included studies had to recruit a sample with a primary headache diagnosis, be a randomized controlled trial including a digital component, assess a headache outcome (i.e., frequency, duration, severity, intensity, disability) or quality of life, and be published in English. Two authors independently extracted data for included studies. The methodological quality of studies was assessed using the revised Cochrane risk-of-bias tool.Thirteen studies with unique interventions met inclusion criteria. More than half of the studies were pilots; however, nearly 70% (9/13) demonstrated significant between-group or within-group improvements on one or more headache-related outcomes. All interventions included some form of relaxation training and the majority were delivered via interactive website. While fewer than half the studies report participant race and/or ethnicity, of those that do, 83% (5/6) reported a predominately White/Caucasian sample.Efficacy testing of digital headache interventions is in its infancy with the majority of these studies relying on pilot studies with small samples comprised of homogenous patient populations. Interactive websites were the most common digital medium to deliver digital headache management interventions and have demonstrated promising results. Further testing using large-scale randomized controlled trials and exploration of other digital tools is warranted. Future studies with more diverse samples are needed to inform health equity of digital headache interventions.

This retrospective case series study aimed to investigate the demographic and clinical patterns of primary stabbing headache (PSH). In addition, we tried to identify subgroups of treatment responses in a neurology outpatient consultation at a Portuguese tertiary hospital.Clinical records were retrospectively reviewed and patients meeting the International Classification of Headache Disorders, 3rd edition, criteria for PSH were identified from January 2014 to December 2020. We collected data regarding demographic characteristics, clinical features of the headache, primary headache comorbidities, and information about treatment-related do PSH.Of 1857 patients, 32 (1.7%; mean [SD] age of onset 56 [3.5] years) had the final diagnosis of PSH. Regarding headache characteristics, 20 patients (62.5%) reported episodes of stabbing in fixed locations and 12 (37.5%) in multiple areas; the duration of each attack was between ≤5 s (seven [21.9%]), 5-60 s (20 [62.5%]), and ≥60 s (five [15.6%]). In all, 18 patients (56.3%) had an episodic course (vs. six of 32 [18.8%] an acute course and eight of 32 [25%] a chronic course). In all, 17 patients started medical treatment (53.1%), with total or partial improvement in 10 (58.8%) of them. It was found that patients with pain in fixed locations had a better response to treatment when compared to patients with multiple locations, in a statistically significant way (eight of 11 vs. two of six, p = 0.023).In our sample, the mean age of onset of PSH was50 years and there was a wide range of PSH duration. The duration of each attack (5 s), the pain in fixed locations, non-daily episodes of the pain in each attack, and the intermittent course of headache were the most prevalent clinical features. Finally, patients with stabbing in localized areas had a better response to treatment.

Drainage dysfunction of stenotic internal jugular veins (IJVs) is considered an etiology of cough headache as a result of fluctuation and imbalance of intracranial pressure.

Aim The aim of the present study was to establish annual prevalence of primary headaches, migraine, and tension-type headache among adults in a post-conflict area of Serbia. Methods The data for this cross-sectional study was obtained via face-to-face interviews using questionnaires specifically designed for this purpose, in line with the available guidelines. The study sample included adults aged 18–65 years whose native language is Serbian with residence in six predominantly Serbian communities in Kosovo and Metohija. Relevant diagnoses were established according to the diagnostic criteria of the International Classification of Headache Disorders, 3rd edition. Results The study included 1062 adults. Analyses indicated 47.7% prevalence of primary headaches. The 1-year prevalence of migraine (with aura and without aura) and tension-type headache was established at 15.2% (3.3% and 11.9%), and 32.2%, respectively. One-year prevalence of chronic headache was calculated at 3.5%, while the prevalence of medication overuse headache was slightly lower at 2.9%. Primary headaches were more prevalent among women, participants residing south of the river Ibar, married or cohabiting individuals, as well as among interviewees (persons) who reported feeling unsafe in Kosovo and Metohija. This is the first study of the prevalence of primary headache disorders in Serbia. The obtained data is comparable to the data available for other countries, especially those in the Balkan region.

Reversible cerebral vasoconstriction syndrome (RCVS) is one of the most important differential diagnosis in patients with thunderclap headache (TCH). We aimed to develop a new scoring system for RCVS in patients with TCH. We retrospectively analyzed 72 patients enrolled in the prospective study of TCH conducted in 2015–2016 (derivation set). We identified possible predictors for the diagnosis of RCVS and constructed a prediction model (RCVS–TCH score) using the multivariable logistic regression model. Diagnostic performance was validated to an independent validation set from our headache registry. The derivation set comprised 41 patients with RCVS and 31 with non-RCVS, and the validation set included 253 patients with TCH (165 with RCVS and 88 with non-RCVS). The RCVS–TCH score (range: 0–12) contained four predictors: recurrent TCHs, female sex, triggering factor for TCH (single or multi) and blood pressure surge. The C-index of RCVS–TCH score was 0.929 (95% CI = 0.874–0.984). The RCVS–TCH score ≥ 7 had a sensitivity of 80% and a specificity of 97% in discriminating RCVS from non-RCVS. In the validation set, RCVS–TCH score showed a C-index of 0.861 (95% CI = 0.815–0.908). In our study, the RCVS–TCH showed good performance, which may aid the diagnosis of RCVS among patients with TCH.

Objectives To discuss headache secondary to cerebrovascular disease. Background Headache is an important symptom in cerebrovascular diseases. In some conditions, headache is the leading symptom. Migraine is associated with an increased risk of stroke. Methods The authors undertook a literature search for the terms “headache” and “cerebrovascular diseases”. Results We report studies on headache in subarachnoidal hemorrhage, intracerebral hemorrhage, ischemic stroke, TIA, basilar artery thrombosis, cervical artery dissection, cerebellar stroke, arteritis and cerebral sinus venous thrombosis. In addition, we discuss migraine and stroke and thunderclap headache. Conclusions Headache is a leading symptom in many cerebrovascular diseases. Headache in combination with focal neurological deficits requires immediate diagnosis and treatment.

PURPOSE OF REVIEW Thunderclap headache (TCH) is an abrupt-onset of severe headache that needs to be thoroughly investigated because the most common secondary cause is subarachnoid hemorrhage (SAH). There has been no consensus guideline regarding the diagnostic workup. This review aims to provide an update on the evaluation of TCH. RECENT FINDINGS The most important update in the 2019 American College of Emergency Physicians guideline for evaluation of acute headache in the emergency department is that negative noncontrast brain computed tomography (CT) findings within 6 h from ictus essentially excludes SAH. Additionally, the updated guideline recommends that after a negative brain CT, CT angiogram is a reasonable alternative to lumbar puncture if clinical suspicion of an intracranial source of SAH is high. An important update of reversible vasoconstriction syndrome (RCVS), the second most common etiology of TCH, is the RCVS2 score development based on clinical and radiological features, providing high specificity and sensitivity for distinguishing RCVS from other intracranial arteriopathies. SUMMARY Although the evaluation of TCH is exhaustive, the potentially catastrophic consequence of a missed diagnosis of sentinel headache justifies the efforts. Awareness of the clinical features and application of diagnostic tools specific for different pathological conditions can facilitate the diagnostic workup.

Reversible cerebral vasoconstriction syndrome (RCVS) is an uncommon disorder characterised by thunderclap headache and self-resolving angiographic vasospasm in the presence or absence of neurological deficit. We present the first case of RCVS likely precipitated by a complex array of confounding factors including a hyperosmolar hyperglycaemic state (HHS), induction chemotherapy with cyclophosphamide, non-Hodgkin's lymphoma, pancytopenia and previous blood transfusions. However, the clinical presentation in this case of altered conscious state followed by thunderclap headache was highly suggestive of HHS being the crucial inciting factor. This report of RCVS associated with HHS lends unique insight into key underlying pathophysiological mechanisms, and warns of the need to maintain a high index of suspicion for this elusive condition given the dynamic and transient nature of its clinical and radiological features.

Background In Nepal, traditional treatment using medicinal plants is popular. Whereas medication-overuse headache is, by definition, caused by excessive use of acute headache medication, we hypothesized that medicinal plants, being pharmacologically active, were as likely a cause. Methods We used data from a cross-sectional, nationwide population-based study, which enquired into headache and use of medicinal plants and allopathic medications. We searched the literature for pharmacodynamic actions of the medicinal plants. Results Of 2100 participants, 1794 (85.4%) reported headache in the preceding year; 161 (7.7%) reported headache on ≥15 days/month, of whom 28 (17.4%) had used medicinal plants and 117 (72.7%) allopathic medication(s). Of 46 with probable medication-overuse headache, 87.0% (40/46) were using allopathic medication(s) and 13.0% (6/46) medicinal plants, a ratio of 6.7:1, higher than the overall ratio among those with headache of 4.9:1 (912/185). Of 60 plant species identified, 49 were pharmacodynamically active on the central nervous system, with various effects of likely relevance in medication-overuse headache causation. Conclusions MPs are potentially a cause of medication-overuse headache, and not to be seen as innocent in this regard. Numbers presumptively affected in Nepal are low but not negligible. This pioneering project provides a starting point for further research to provide needed guidance on use of medicinal plants for headache.

Background Primary headaches (migraine, tension headache, cluster headache, and other trigeminal autonomic cephalgias) are common in pregnancy and postpartum. It is unclear how to best and most safely manage them. Objective We conducted a systematic review (SR) of interventions to prevent or treat primary headaches in women who are pregnant, attempting to become pregnant, postpartum, or breastfeeding. Methods We searched Medline, Embase, Cochrane CENTRAL, CINAHL, ClinicalTrials.gov, Cochrane Database of SRs, and Epistemonikos for primary studies of pregnant women with primary headache and existing SRs of harms in pregnant women regardless of indication. No date or language restrictions were applied. We assessed strength of evidence (SoE) using standard methods. Results We screened 8549 citations for studies and 2788 citations for SRs. Sixteen studies (mostly high risk of bias) comprising 14,185 patients (total) and 26 SRs met the criteria. For prevention, we found no evidence addressing effectiveness. Antiepileptics, venlafaxine, tricyclic antidepressants, benzodiazepines, β-blockers, prednisolone, and oral magnesium may be associated with fetal/child adverse effects, but calcium channel blockers and antihistamines may not be (1 single-group study and 11 SRs; low-to-moderate SoE). For treatment, combination metoclopramide and diphenhydramine may be more effective than codeine for migraine or tension headache (1 randomized controlled trial; low SoE). Triptans may not be associated with fetal/child adverse effects (8 nonrandomized comparative studies; low SoE). Acetaminophen, prednisolone, indomethacin, ondansetron, antipsychotics, and intravenous magnesium may be associated with fetal/child adverse effects, but low-dose aspirin may not be (indirect evidence; low-to-moderate SoE). We found insufficient evidence regarding non-pharmacologic treatments. Conclusions For prevention of primary headache, calcium channel blockers and antihistamines may not be associated with fetal/child adverse effects. For treatment, combination metoclopramide and diphenhydramine may be more effective than codeine. Triptans and low-dose aspirin may not be associated with fetal/child adverse effects. Future research should identify effective and safe interventions in pregnancy and postpartum.

Background Chiari I malformation typically presents with cough headache. However, migraine-like or tension-type-like headaches may also occur. There are limited publications on Chiari I malformation-associated headache semiologies and the effect of foramen magnum decompression on different headache types. Methods A retrospective analysis complemented by structured phone interviews was performed on 65 patients with Chiari I malformation, treated at our hospital between 2010 and 2021. Headache semiology (according to ICHD-3), frequency, intensity, and radiological characteristics were evaluated pre- and postoperatively. Results We included 65 patients. 38 patients were female and 27 male. Mean age was 43.9 ± 15.7 years. Headache was predominant in 41 patients (63.0%). Twenty-one patients had cough headache and 20 had atypical headache (12 migrainous, eight tension-type headache-like). Thirty-five patients with headache underwent surgery. Frequency, intensity, and analgesic use was significantly reduced in cough headache ( p Conclusion Decompression was effective in Chiari I malformation-related cough headache. Atypical headache responded less well, and the causal relation with Chiari I malformation remains uncertain. For atypical headache, decompression should only be considered after failed appropriate preventive therapy and within an interdisciplinary approach involving a neurologist.

Headache is one of the leading symptoms often associated with brain tumours. Secondary headaches attributed to intracranial neoplasias have been included in subchapter 7.4 of the third edition of the International Classification of Headache Disorders (ICHD-3). According to ICHD-3, the headache may be attributed to a brain tumour if it has developed in close temporal relation with the development of the neoplasia, has significantly worsened in parallel with the worsening of the tumour, and/or has significantly improved following the successful treatment of the neoplasia. Brain tumour headache was traditionally thought to display some specific clinical characteristics, including worsening in the morning and/or when lying down, being aggravated by Valsalva-like manoeuvres and accompanied by nausea and/or vomiting; however, the studies performed after the advent of modern neurodiagnostic techniques have pointed out that the “classic” brain tumour headache is uncommon, particularly at the time of clinical presentation. Therefore, it becomes critical to seek some specific factors associated with the presence of an intracranial mass (the so-called “red flags”) that can guide the physician to establish an accurate diagnosis.

Background: Primary headaches, and particularly migraine and tension-type headache (TTH) as well as hypothyroidism are common medical conditions. To date, numerous studies have suggested a possible bidirectional relationship between migraine and hypothyroidism, although certain studies had contradictory results. Objective: To investigate whether there is any association between primary headache subtypes and thyroid disorders. Methods: A retrospective study of consecutive patients aged ≥18 years referred to the Headache Outpatient Clinic of Aeginition Hospital and diagnosed with primary headache and any thyroid disorder. Results: Out of 427 patients (males/females=76/351), 253 (59.3%) were diagnosed with migraine without aura, 53 (12.4%) with TTH, 49 (11.5%) with migraine with aura, 29 (6.8%) with medication-overuse headache, 23 (5.4%) with mixed-type headache (migraine with/without aura and TTH), nine (2.1%) with cluster headache, and 11 (2.6%) with other types of primary headaches. The prevalence of any type of thyroid disorder was 20.8% (89/427 patients). In the total sample, 27 patients (6.3%) reported hypothyroidism, 18 (4.2%) unspecified thyroidopathy, 14 (3.3%) thyroid nodules, 12 (2.8%) Hashimoto thyroiditis, 12 (2.8%) thyroidectomy, three (0.7%) thyroid goiter, and three (0.7%) hyperthyroidism. Further statistical analysis between categorical variables did not reveal any significant association between headache subtypes and thyroid dysfunction. Conclusions: No specific association was found between primary headache subtypes and specific thyroid disorder. However, a high prevalence of thyroid dysfunction in general and specifically hypothyroidism was demonstrated among patients with primary headaches, which lays the foundation for further clarification in prospective longitudinal studies. RESUMO Introdução: Cefaleias primárias e, particularmente, enxaqueca e cefaleia do tipo tensional (CTT), bem como hipotiroidismo, constituem condições médicas comuns. Até o momento, vários estudos sugeriram uma possível relação bidirecional entre enxaqueca e hipotireoidismo, embora alguns estudos tenham resultados contraditórios. Objetivo: Investigar se existe associação entre subtipos de cefaleia primária e distúrbios da tireoide. Métodos: Estudo retrospectivo de pacientes consecutivos com idade ≥18 anos encaminhados ao Ambulatório de Cefaleia do Hospital Aeginition, com diagnóstico de cefaleia primária e qualquer distúrbio da tireoide. Resultados: De 427 pacientes (homens/mulheres=76/351), 253 pacientes (59,3%) foram diagnosticados com enxaqueca sem aura, 53 (12,4%) com CTT, 49 (11,5%) com enxaqueca com aura, 29 (6,8 %) com cefaleia por uso excessivo de medicamentos, 23 (5,4%) com cefaleia mista (enxaqueca com/sem aura e CTT), nove (2,1%) com cefaleia em salvas e 11 (2,6%) com outros tipos de cefaleias primárias. A prevalência de qualquer tipo de distúrbio tireoidiano foi de 20,8% (89/427 pacientes). Na amostra total, 27 pacientes (6,3%) relataram hipotireoidismo, 18 (4,2%) tireoidopatia não especificada, 14 (3,3%) nódulos de tireoide, 12 (2,8%) tireoidite de Hashimoto, 12 (2,8%) tireoidectomia, três (0,7%) bócio da tireoide e três (0,7%) hipertireoidismo. Uma análise estatística posterior entre as variáveis categóricas não revelou qualquer associação significativa entre os subtipos de cefaleia e disfunção tireoidiana. Conclusões: Não encontramos associação entre subtipos de cefaleia primária e distúrbio específico da tireoide. No entanto, foi observada prevalência elevada de disfunção tireoidiana em geral e especificamente hipotireoidismo entre pacientes com cefaleia primária, o que estabelece base para maiores esclarecimentos em estudos longitudinais prospectivos.

Headache is the most frequent reason for a person to seek care from a neurologist and is the most common subspecialty practice focus identified by neurologists.1 Although headache is most commonly encountered in primary care,2,3 it is also the fourth leading cause of emergency department visits,4 with 1.2 million encounters annually in US emergency departments for migraine alone.5

Reversible cerebral vasoconstriction syndrome (RCVS) is characterized by recurrent thunderclap headaches associated with segmental vasoconstriction of cerebral arteries, which may result in intracranial hemorrhage (ICH). There is a lack of contemporary data available regarding the ICH burden in RCVS cohort. Our aim of the study is to assess the ICH burden, associated risk factors, and discharge outcome of ICH in patients with RCVS.All patients diagnosed with RCVS in the 2016 Nationwide Readmission Database were identified using ICD-10 code after excluding patients with the concurrent diagnosis of primary angiitis. ICH was defined as both intraparenchymal (IPH), subarachnoid hemorrhage (SAH), and subdural hematoma (SDH). Categorical and continuous variables were assessed by the Rao-Scott Chi-square test and the Wilcoxon signed-rank sum test respectively. We used a multivariable survey-weighted logistic model to determine the association between ICH and RCVS patient-level characteristics.A total of 799 patients were identified with RCVS. Total hospitalization of ICH was 43.4% [(95% CI 36.4-50.4%); (n = 346)] including SAH 35.9% [(95% CI 29.7-42.1%); (n = 287)], IPH 13.1% [(95% CI 9.5-16.7%); (n = 105)] and SDH 3.6% [(95% CI 1.5-5.6%); (n = 28)]. Patients with hemorrhagic RCVS (H-RCVS) had a mean age (years ± SE) of 47.4 ± 1.1 vs. 45.5 ± 1.2 years in R-RCVS (p = 0.247); and were predominantly female (84.0% vs. 68.8%; p = 0.001); with longer inpatient stays (10.9 vs. 6.8 days; p = 0.016); and a higher inpatient cost ($44,300 vs. $21,350; p 0.001). On multivariable analyses, higher odds of ICH were female sex 2.57 (95% CI 1.45-4.55; p = 0.001), middle age-group (45-64 years) 1.87 (CI: 1.11-3.15; p = 0.018) and older age group ( 64 years) 3.72 (CI: 1.15-12.03; p = 0.029). About 67.0% of all H-RCVS patients were discharged home, with no observed inpatient mortality.Intracerebral hemorrhage is the most common vascular complication in hospitalized RCVS patients, resulting in longer hospitalizations with more invasive procedures and higher healthcare expenditure. However, overall outcomes are excellent regardless of types of ICH, with no inpatient mortality observed in patients with hemorrhagic RCVS. Female sex and middle to older age-group are associated with higher odds of ICH.

A 39-year-old pregnant woman was experienced thunderclap headache due to reversible cerebral vasoconstriction syndrome (RCVS) as a prodromal symptom. Two days after, she was brought to our hospital after an eclamptic seizure at 35 weeks of gestation. After management with magnesium sulphate, a cesarean delivery was performed, and passed without eclamptic seizure recurrence with calcium channel blocker (CCB) administration for hypertension and prophylaxis of another seizure. Antepartum eclampsia is sometimes complicated by headache as a prodromal symptom. Cerebrovascular diseases in the perinatal period include eclampsia, RCVS and posterior reversible encephalopathy syndrome, which have potentially overlapping pathologies. Here, we first report a case of overlapping those three diseases in the antepartum period. Our best literature review showed that antepartum RCVS is severe and has complications besides thunderclap headache, and there is a case report which CCB administration was shown to be effective in the treatment of antepartum RCVS. If thunderclap headache is recognized, prediction of eclampsia and getting better course of RCVS with CCB administration may be possible.

Background Headache is as old as human history and has been able to report, and the first descriptions were found in Greece and Mesopotamia. Objective Our objective was to know the date of the first description of ICHD-3 headaches, with their respective author. Methods We searched for articles that addressed the historical aspects of primary and secondary headaches and painful cranial neuropathies. Results Twenty-seven different headaches were analyzed according to the occurrence of their first description, with the respective author and country of origin. Conclusions The knowledge of the first description of ICHD-3 headaches, with their respective author, showed us how and when the different headaches appeared over the years.

BackgroundPrimary headache disorders have being increasingly reported in younger populations. They can have significant effects on their quality of life and academic achievement and may cause significant distress to their families.Aims and objectivesTo assess the burden of primary headache disorder and its impact on the quality of life on school student in Kuwait.MethodsAcross-sectional study was conducted among Kuwaiti primary and middle school students of both genders in randomly selected schools located in two governorates in 2018/2019 academic year. Headache-Attributed Restriction, Disability, Social Handicap and Impaired Participation (HARDSHIP) questionnaire for children and adolescents was used to assess the impact of primary headaches on the quality of life.ResultsOne thousand and ninety-one questionnaires were completed by primary and middle school students of both genders; of whom 466 students (girls 321 (68.88%) were diagnosed with primary headache disorders with mean age 11.98 ± 2.03 years. In the month prior to the survey, the effect of the headache was variable. The students lost a mean of 1.99 ± 2.015 days of school while they could not perform their usual activities for a mean of 2.84 ± 4.28 days. Their parents lost a mean of 2 ± 2.03 days of work because of headaches of their children and parents prohibited 5.7% of the students to engage in any activity due to their headaches. Difficulties in concentrations were reported as never sometimes (39.1%), often (24.8%), and always (26%). Majority of the students (51.5%) experienced a feeling of sadness ranging from sometimes to always. Most of the students (67.3%) struggled to cope with the headache and 22.4% were never able to cope. Additionally, 19.4% of students reported they did not want others noticing their headache.ConclusionPrimary headache disorder can have a significant impact on the quality of life in children. It can affect their engagement in activities and academic achievement. Implementing strategies to properly manage schoolchildren with primary headaches can have profound effects on their quality of life.

Purpose of review Posttraumatic headache (PTH) attributed to mild traumatic brain injury is common and debilitating. In up to one-half of those with acute PTH, the PTH becomes persistent (PTH), enduring for longer than 3 months. The high incidence and persistence of PTH necessitate research into PTH pathophysiology and treatment. In this review, recent developments regarding the diagnostic criteria for PTH, the pathophysiology of PTH, and PTH treatment are discussed. Recent findings International Classification of Headache Disorders 3 diagnostic criteria for PTH attributed to head trauma require that 'a headache of any type' starts within 7 days of a head injury. PTH is considered 'persistent' when it endures for more than 3 months. Preclinical and human PTH research suggest multiple pathophysiologic mechanisms including genetic influences, neuroinflammation, increased release and inadequate clearance of neuropeptides and neurotransmitters, mast cell degranulation, and brain structural and functional remodeling. Even when it has a phenotype similar to a primary headache, data suggest that PTH is distinct from primary headaches. There is a lack of high-quality evidence for the acute or preventive treatment of PTH. However, results from published studies of conventional headache therapies and newer therapies, such as calcitonin gene-related peptide mAbs and transcranial magnetic stimulation, justify the current and future randomized controlled trials. Summary Evidence points towards a complex pathophysiology for PTH that is at least partially distinct from the primary headaches. Although properly conducted clinical trials of PTH treatment are needed, existing work has provided important data that help to plan these clinical trials. Current and future investigations will help to identify PTH mechanisms, predictors for PTH persistence, therapeutic targets, and evidence-based treatment options.

Background Epidemiological research of headache is vital but resource consuming prerequisite for evidence-based development in the field. Rapid evolution of information technology may provide new opportunities for population-based surveys. The aim of this study was to evaluate the applicability of web-based solutions in epidemiological studies of primary headaches. Methods An online survey was conducted among 20–64 year old Estonian citizens, using a previously validated headache questionnaire. The participants were accessed through most popular portals and e-mail domains to get the maximum coverage of Estonian digital community. The resulting one-year headache prevalences were compared to those acquired in parallel from a population-based cross-sectional person-to-person study in Estonia. Results Five thousand seven hundred eight entries were made by 5347 participants in the online study. Of the participants, 3896 (72.9%) had no headache, 1436 (26.8%) had only one and 15 (0.3%) had more than one type of headache. The study sample demographics were statistically significantly different from Estonian population and the prevalences were adjusted by age, gender, education and habitat. The proportion of headache sufferers was smaller in the online study sample (23.1% vs 41.0% in the population-based parallel person-to-person study). Among the headache sufferers the proportions of different headache diagnoses were similar across the two studies with the exceptions of episodic migraine and episodic tension-type headache. There were less migraine and more tension-type headache sufferers in the online study sample. Discussion This is the first study addressing applicability of web-based solutions in headache related large epidemiological studies. Online approach presents a much faster means of data collection, larger samples, has mechanisms of avoiding data contamination and distinguishes the proportions of most primary headache disorders among the headache sufferers. However, the present online survey was significantly biased towards the people without headache, leading to underestimation of headache prevalence. This stems from the shortcomings related to method of sampling, access and engagement. Conclusion Online headache epidemiology research could be a resource saving alternative to person-to-person studies, however, further research is needed to overcome the problems related to methods of sampling, access and engagement.

This article reviews the disorders of thunderclap, cough, exertional and sexual headache. These are a group of paroxysmal and precipitated headaches, which often occur in bouts with prolonged remissions. Indometacin seems to be the most effective preventative. Each can occur in primary and secondary form. Thunderclap headache is the most frequently reported headache syndrome associated with a secondary pathology. Discussed are the complexities of whether all patients with thunderclap headache should have further investigation if timely computerised tomography is normal and, the relevance of abnormal imaging in these disorders, differentiating what is deemed to be secondary and managing the pain.

Reversible cerebral vasoconstriction syndrome (RCVS) is characterised by severe thunderclap headaches (with or without the presence of acute neurological symptoms) and segmental vasoconstriction of cerebral arteries that resolves spontaneously in a period of three months. Cases have been described in the literature with producing and non-producing masses of metanephrines. Within these reports, associations with cavernous haemangioma, medulloblastoma, colon cancer, paraganglioma, pheochromocytoma, uterine fibroids, among others were found. However, no association with adrenal masses which do not produce metanephrines was found. In this context, we reported the case of a woman with this type of tumour associated with RCVS which provided a treatment challenge, as well as we reviewed the literature on cases of RCVS associated with masses.

Background A previous study by our team reported the prevalence of primary headache disorders and factors associated with headache among nurses in three hospitals in North China. The aim of this cross-sectional survey was to learn more about how medical nurses in South China were affected by headache. Additionally, we determined the prevalence of headache and measured the impact of headache among doctors in mainland China for the first time. Methods Stratified random cluster sampling was used to select 280 physicians and 365 nurses from various departments in four hospitals in Sanya, which is one of southernmost cities in China. Information was collected on demographic data, occupational factors and headache characteristics by using a structured questionnaire. Results Among 645 medical staff, 548 (85%) responded (doctors = 240, nurses = 308). Among the medical staff, the 1-year prevalence of primary headache disorders was 50%, with 25.9% experiencing migraine and 24.1% experiencing tension-type headache (TTH). The prevalence of migraine in female doctors was higher than that in female nurses, although this difference was not significant (32.4% vs. 29.8%, P = 0.628). Multivariate analysis showed that being female and working in other specialties (Emergency Department & Radiology Department) remained independent risk factors for migraine in doctors (OR 2.314 and 3.223). In nurses, being married was a risk factor for migraine (OR 3.728), and job titles remained an independent risk factor for migraine and TTH (OR 2.294 and 4.695). Working more than 6 night-shifts per month was associated with an increased prevalence of migraine and TTH in doctors; the same was true in nurses for migraine, but not for TTH. Conclusion The prevalence of primary headache disorders in both nurses and doctors is higher than that in the general population in South China. Our study shows that occupation, geography and sex may play an important role. Further, female doctors are more susceptible than female nurses to migraine. The risk factors relevant to headache that were found in this study should provide an important reference for promoting occupational health in medical staff, especially female doctors in China.

BackgroundMost headache presentations to emergency departments (ED) have benign causes; however, approximately 10% will have serious pathology. International guidelines recommend that patients describing the onset of headache as ‘thunderclap’ undergo neuroimaging and further investigation. The association of this feature with serious headache cause is unclear. The objective of this study was to determine if patients presenting with thunderclap headache are significantly more likely to have serious underlying pathology than patients with more gradual onset and to determine compliance with guidelines for investigation.MethodsThis was a planned secondary analysis of an international, multicentre, observational study of adult ED patients presenting with a main complaint of headache. Data regarding demographics, investigation strategies and final ED diagnoses were collected. Thunderclap headache was defined as severe headache of immediate or almost immediate onset and peak intensity. Proportion of patients with serious pathology in thunderclap and non-thunderclap groups were compared by χ² test.Results644 of 4536 patients presented with thunderclap headache (14.2%). CT brain imaging and lumbar puncture were performed in 62.7% and 10.6% of cases, respectively. Among patients with thunderclap headache, serious pathology was identified in 10.9% (95%CI 8.7% to 13.5%) of cases—significantly higher than the proportion found in patients with a different headache onset (6.6% (95% CI 5.9% to 7.4%), pConclusionsThunderclap headache presenting to the ED appears be associated with higher risk for serious intracranial pathology, including SAH, although most patients with this type of headache had a benign cause. Neuroimaging rates did not align with international guidelines, suggesting potential need for further work on standardisation.

A 66-year-old man with no headache history presented with a new daily and persistent headache that began acutely 1 year ago without any clear provoking features. The pain was mild, constant holocephalic pressure with associated photophobia and phonophobia. He denied nausea/vomiting or migraine aura–like symptoms. Previously failed preventive migraine medications included onabotulinumtoxinA injections, nortriptyline, gabapentin, and metoprolol. The patient's neurologic examination including funduscopic evaluation was normal.

Headache is a common complaint in childhood and adolescence. Differentiating benign primary headaches from ominous secondary headaches is often difficult. Clinicians usually seek red flags to determine the need for neuroimaging. We aimed to evaluate the diagnostic values of red flags in pediatric headaches.We retrospectively reviewed the medical records of 1510 pediatric patients (1470 with primary headache, 40 with secondary headache) presenting with headache and underwent neuroimaging from two centers between March 2010 and December 2019.The secondary-headache group exhibited significantly higher frequencies of abnormal neurologic signs/symptoms (40.0% vs 6.8%, p 0.001), Valsalva maneuver/exercise-induced headache (15.0% vs 4.9%, p = 0.004), headache with vomiting (35.0% vs 17.9%, p = 0.006), and onset under age 6 (25.0% vs 10.3%, p = 0.003) than the primary-headache group, with the following positive likelihood ratio (PLR): 5.88, 3.06, 1.96, and 2.42, respectively. The sensitivity values were as follows: abnormal neurologic signs/symptoms (16/40, 40.0%), headache with vomiting (14/40, 35.0%), onset under age 6 (10/40, 25.0%), and Valsalva maneuver/exercise-induced headache (6/40, 15.0%). The overall sensitivity for ominous secondary headaches requiring surgical treatment was 86.2% (25/29).Certain red flags, including abnormal neurologic signs/symptoms, Valsalva maneuver/exercise-induced headache, headache with vomiting, and onset under age 6, were more prevalent in the secondary-headache group; nonetheless, their sensitivity values and PLR were relatively low. Notwithstanding, considering these red flags' high overall sensitivity for ominous secondary headaches, neuroimaging in patients presenting these red flags should rely on careful follow-up of symptom progression.

INTRODUCTION Reversible cerebral vasonstriction syndrome (RCVS) is an increasingly recognized clinical and radiologic syndrome. However, it has been rarely reported in the setting of the novel coronavirus disease-2019 (COVID-19) infection or sarcomatous tumors. RCVS might be the initial manifestations of COVID-19 infection or noncatecholamine producing masses including sarcoma. CASE REPORT A 44-year-old male who developed COVID-19-related symptoms followed by rapid onset of severe headaches in the setting of persistently elevated blood pressure (BP). Brain imaging showed multifocal arterial narrowing in the anterior and posterior circulation consistent with RCVS. Serial imaging demonstrated resolution of the arterial narrowing after BP control was achieved with improvement in the patient's headaches. Further investigation for secondary causes of the patient's elevated BP revealed a right renal mass, and the patient underwent right nephrectomy, and the biopsy results confirmed the diagnosis of pleomorphic sarcoma. CONCLUSION Our case suggests a possible association between severe acute respiratory syndrome coronavirus 2 with development of RCVS, but further studies are needed to validate this observation, establish a causal relationship and define a pathophysiological mechanism. Considering tumors other than catecholamine-producing masses as a potential risk factor for developing RCVS might lead to earlier detection and treatment of any underlying malignancy in patients whom the main and sole presentation could be RCVS.

In this review, we summarize updates in the diagnostic approach of headaches with the aim of facilitating the distinction between primary and secondary etiology in headaches.In the USA, headache is the fifth most common complaint in the emergency department, but only a minority will have a secondary etiology. Initial suspicion and diagnostic workup of secondary headache relies on a patient's medical history due to a scarcity of validated biomarkers. A special interest group under the International Headache Society recently synthesized information on red flags (information that indicates a secondary etiology) and green flags (information that indicates a primary etiology). A systematic diagnostic approach using red flags and green flags can help reduce unnecessary testing and shift attention to patient care. Going forward, further validation of these concepts is needed to properly introduce them for clinical use.

Background The diagnosis and therapy of reversible cerebral vasoconstriction syndrome (RCVS) tends to focus on neurological symptoms, but less attention has been paid the occurrence of extracerebral lesion such as the myocardium. Case presentation A 40-year-old woman taking iron supplements for iron deficiency anemia due to menorrhagia had suffered from a thunderclap headache and seizure. Brain magnetic resonance imaging revealed high-intensity lesions bilaterally in the cerebellar and cerebral hemispheres. Her symptoms once subsided with steroids and anticonvulsant therapy; however, she experienced a severe headache again while bathing and was transferred to our hospital. Based on the clinical course and imaging data, she was diagnosed as having RCVS triggered by a rapid improvement of anemia. At the same time, she had cardiac involvement revealed by electro and echocardiographs despite without chest symptoms. After the administration of a calcium channel blocker and nitrite, her cerebral and cardiac involvements were rapidly improved. Conclusions The case presented RCVS with transient myocardial damage. With RCVS, we should always pay attention to the complication of extracerebral lesions.

Patient: Female, 25-year-old Final Diagnosis: Reversible cerebral vasoconstriction syndrome Symptoms: Headache • hypertension • nausea • seizure Medication: — Clinical Procedure: — Specialty: Critical Care Medicine • Neurology Objective: Unusual or unexpected effect of treatment Background: Reversible cerebral vasoconstriction syndrome (RCVS) is a rare neurological disorder with a complex physiopathology that is not fully understood. Suggested underlying mechanisms include failure of autoregulation, endothelial dysfunction, and oxidative stress. It is characterized by reversible multifocal constriction of the cerebral arteries, and can be triggered by many conditions, including, vasoactive medications (eg, triptans), cerebrovascular events, primary headache disorders, and metabolic causes (eg, hypercalcemia). RCVS can also be associated with pregnancy-related conditions, such as thrombotic thrombocytopenic purpura, eclampsia, and preeclampsia. Thunderclap headache is the most common clinical manifestation; however, other symptoms can result from complications of the disease, such as stroke, brain edema, and seizures. Several case reports have been published of an association between RCVS and eclampsia, but to the best of our knowledge, only 3 cases were successfully treated with intravenous milrinone and this is the only patient reported in Saudi Arabia. Case Report: We report a case of 25-year-old primigravida woman who presented with acute-onset headache, nausea, elevated blood pressure, and generalized tonic clonic seizure. She was diagnosed as having RCVS secondary to eclampsia based on clinical and radiological features. She was initially started on nimodipine, which is usually the first-line management of RCVS, as well as magnesium sulfate and levetiracetam; however, she only achieved full recovery after starting intravenous milrinone. Conclusions: Milrinone is one of the emerging drugs for treatment of RCVS, and this case report delineates the potential of using the drug, especially in cases refractory to standard therapy.