Introduction:Serotonin syndrome (SS) is a drug-induced clinical syndrome that results from the excess intrasynaptic concentration of serotonin. Prospective observations are limited for SS.Methods:We prospectively recruited 45 consecutive adult patients (>18 years) fulfilling the Hunter's criteria for SS. All patients were subjected to a detailed clinical history and examinations. Patients were subjected to appropriate investigations to find out the other causes. The causation of SS to serotonergic drugs was assessed according to Naranjo adverse drug reaction probability scale.Results:The mean age was 37.3 years (range: 18–59 years). Sixty-two percent of patients were male. There were 15 different underlying clinical syndromes for which serotonergic drugs were started. Psychiatry conditions (36%) and cough/respiratory tract infection (16%) were the two most common clinical conditions for starting serotonergic drugs. We noted 49 different symptoms and physical signs. Overall, tremor (78%) and dizziness (47%) were the two most common symptoms. Headache (16%) and dizziness (16%) were the two most common initial (or first) symptoms. However, gait difficulty and febrile encephalopathy were the two most common reasons to visit the hospital. We noted 18 different drugs causing SS. Thirty-eight percent of patients received single serotonergic agent antidepressants, pain medicines and cough syrups were other important drugs causing SS.Conclusions:This study represents the largest clinic-based study on SS. SS is not rare in clinical practice. However, various aspects of this syndrome are still to be determined. All patients on serotonergic drugs should be physically examined for the presence of SS on the development of any new symptom.
To assess the impact of ongoing COVID-19 pandemic on epilepsy care in India. Methods: We conducted a three-part survey comprising neurologists, people with epilepsy (PWE), and 11 specialized epilepsy centers across India. We sent two separate online survey questionnaires to Indian neurologists and PWE to assess the epilepsy practice, seizures control, and access to care during the COVID-19 pandemic. We collected and compared the data concerning the number of PWE cared for and epilepsy procedures performed during the 6 months periods preceding and following COVID-19 lockdown from epilepsy centers. Results: The survey was completed by 453 neurologists and 325 PWE. One third of the neurologist reported >50 % decline in outdoor visits by PWE and EEG recordings. The cumulative data from 11 centers showed 65-70 % decline in the number of outdoor patients, video-EEG monitoring, and epilepsy surgery. Working in a hospital admitting COVID-19 patients and use of teleconsultation correlated with this decline. Half of PWE had postponed their planned outpatient visits and EEG. Less than 10 % of PWE missed their antiseizure medicines (ASM) or had seizures due to the nonavailability of ASM. Seizure control remained unchanged or improved in 92 % PWE. Half of the neurologists started using teleconsultation during the pandemic. Only 4% of PWE were afflicted with COVID-19 infection. Conclusions: Despite significant decline in the number of PWE visiting hospitals, their seizure control and access to ASMs were not affected during the COVID-19 pandemic in India. Risk of COVID-19 infection in PWE is similar to general population.
Introduction: Till date, there is no prospective study in patients with hemicrania continua (HC). Methods: Patients fulfilling the international classification of headache disorders criteria for HC were evaluated prospectively. All patients were subjected to a detailed clinical interview, based on a structured questionnaire. Before starting indomethacin, all patients were instructed to fill a headache diary for at least 5 days. Gradual tapering of indomethacin was done at regular intervals. Results: We enrolled 41 patients over 4.5 years, 31 of whom met the criteria after confirming the indomethacin response. The mean age was 41 years, and 55% were female. The mean duration of headache was 43.6 months. All patients had continuous strictly unilateral pain with episodic exacerbations. At least one cranial autonomic feature was noted in 81% of patients. Twenty-five patients (81%) felt a sense of restlessness during exacerbations. The mean follow-up was 2.5 years. Three-fourths of patients noted a reduction in indomethacin dose after an average 2.5 of years follow-up. The mean reduction of the dose in the follow-up was statistically significant (172 mg vs. 110 mg, p < 0.001). All patients missed the drug for various reasons over the observation period. The headache reappeared within 48 h in 97% of patients. Conclusion: Misdiagnosis of HC is still very common. Patients may not volunteer about the background pain and will focus only on the exacerbations. HC rarely remits, but indomethacin requirements may decrease over time. Skipping of the effective drug leads to the immediate reappearance of pain.
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