Syncope and Epilepsy coexist in 'possible' and 'drug-resistant' epilepsy (Overlap between Epilepsy and Syncope Study - OESYS).

BACKGROUND: Differential diagnosis between syncope and epilepsy in patients with transient loss of consciousness of uncertain etiology is still unclear. Thus, the aim of the present work is to evaluate the prevalence of syncope in patients with "possible" or "drug-resistant" epilepsy. METHODS: The Overlap between Epilepsy and SYncope Study (OESYS) is a multicenter prospective observational study designed to estimate the prevalence of syncope in patients followed in Epilepsy Centers for "possible" or "drug-resistant" epilepsy and assessed according the European Society of Cardiology (ESC) guidelines of syncope diagnosis. RESULTS: One hundred seven patients were evaluated; 63 (58.9%) had possible and 44 (41.1%) drug-resistant epilepsy. A final diagnosis of isolated syncope was in 45 patients (42.1%), all with possible epilepsy (45/63, 71.4%). Isolated epilepsy was found in 21 patients (19.6%) and it was more frequent in the drug-resistant than in the possible epilepsy group (34.1% vs. 9.5%, p = 0.002). More importantly, syncope and epilepsy coexisted in 37.4% of all patients but the coexistence was more frequent among patients with drug-resistant than possible epilepsy (65.9% vs. 17.5%, p < 0.001). CONCLUSIONS: Isolated syncope was diagnosed in ≈ 70% of patients with possible epilepsy. Syncope and epilepsy coexisted in ≈ 20% of patients with possible and in ≈ 60% of patients with drug-resistant epilepsy. These findings highlight the need of ESC guidelines of syncope approach in patients with possible and drug-resistant epilepsy.

Atrial Fibrillation in Older Patients with Syncope and Dementia: Insights from the Syncope and Dementia Registry.

OBJECTIVES: To evaluate the clinical characteristics and the long-term outcome of atrial fibrillation (AF) patients with dementia and history of syncope or falls. DESIGN: Observational: analysis of a prospective registry. SETTING AND PARTICIPANTS: Between 2012 and 2016, the Syncope and Dementia Registry enrolled patients in 12 geriatric departments. Follow-up evaluation was at 12 months. MEASURES: Clinical, functional, and cognitive assessment. RESULTS: Of the 522 patients (women, 62.1%; Mini-Mental State Examination 17 ± 6), 26.4% have or presented an AF history. Patients with AF were older (85 ± 6 vs 83 ± 6 years, P = .012), with higher heart rate (78 ± 17 vs. 73 ± 14 bpm, P < .001), prescribed drugs (6.9 ± 2.9 vs 5.9 ± 2.7, P < .001), and an increased number (3.9 ± 2.0 vs 3.0 ± 1.8, P < .001) and severity of comorbidities. Oral anticoagulant therapy was underprescribed (39.9%). Cardiac syncope was more frequently diagnosed (18.8 vs 4.9%, P < .001). At multivariate analysis, AF patients were characterized by advanced age, a higher severity of comorbidities, a greater number of prescribed drugs, an increased heart rate, and a more frequent presence of cardiac symptoms. One-year mortality differed little between patients with and without AF (27.7 vs 22.1%, P = .229). In the arrhythmia group, multivariate predictors of prognosis were disability (number of lost BADLs; P = .020) and a higher heart rate (P = .006). CONCLUSIONS AND IMPLICATIONS: AF and postural stability-related issues often co-exist in persons with dementia. This complex of conditions is associated with an intricate clinical picture, underprescription of oral anticoagulants, and high long-term mortality. Future studies are needed to evaluate the effects of therapy optimization in this population.

Prevalence, predictors and clinical implications of prolonged corrected QT in elderly patients with dementia and suspected syncope.

BACKGROUND: Long QT and use of QT-prolonging drugs are common among older patients receiving polytherapies, but real-world evidence on their impact in clinical practice is controversial. We investigated prevalence, variables associated and clinical implications of prolonged corrected QT (QTc) among patients from the Syncope and Dementia study. METHODS: Observational, prospective, multicenter study. Patients≥65 years with dementia and fall suspected for syncope in the previous three months were enrolled. Several clinical variables and the complete list of medications were recorded for each patient. A 12­lead ECG was obtained and corrected QT was calculated by the Bazett's formula. One-year followup for death and recurrent syncope was performed. RESULTS: Prolonged QTc was observed in 25% of the 432 enrolled patients (mean age 83.3), and was significantly associated with male gender (OR 2.09; 95% CI 1.34-3.26) and diuretics use (OR 1.85; 95% CI 1.18-2.90). At one-year 23.3% of patients died and 30.4% reported at least one recurrent event. Variables associated with one-year mortality were: age, male gender, atrial fibrillation (AF), use of calcium channel blockers and prolonged QTc (OR 1.80; 95% CI 1.01-3.20). Among patients with prolonged QTc a significant interaction for mortality was found with AF. Recurrent events were associated with the use of antiplatelets, cholinesterase. inhibitors and antipsychotics, but not with prolonged QTc. CONCLUSIONS: We documented a high prevalence of prolonged QTc, that was associated with male gender and diuretics but not with psychoactive medications. Patients with prolonged QTc had higher one-year mortality, that was four-fold increased in those with concomitant AF.

Standardized-care pathway vs. usual management of syncope patients presenting as emergencies at general hospitals.

AIMS: The study hypothesis was that a decision-making approach improves diagnostic yield and reduces resource consumption for patients with syncope who present as emergencies at general hospitals. METHODS AND RESULTS: This was a prospective, controlled, multi-centre study. Patients referred from 5 November to 7 December 2001 were managed according to usual practice, whereas those referred from 4 October to 5 November 2004 were managed according to a standardized-care pathway in strict adherence to the recommendations of the guidelines of the European Society of Cardiology. In order to maximize its application, a decision-making guideline-based software was used and trained core medical personnel were designated-both locally in each hospital and centrally-to verify adherence to the diagnostic pathway and give advice on its correct application. The 'usual-care' group comprised 929 patients and the 'standardized-care' group 745 patients. The baseline characteristics of the two study populations were similar. At the end of the evaluation, the standardized-care group was seen to have a lower hospitalization rate (39 vs. 47%, P=0.001), shorter in-hospital stay (7.2+/-5.7 vs. 8.1+/-5.9 days, P=0.04), and fewer tests performed per patient (median 2.6 vs. 3.4, P=0.001) than the usual-care group. More standardized-care patients had a diagnosis of neurally mediated (65 vs. 46%, P=0.001) and orthostatic syncope (10 vs. 6%, P=0.002), whereas fewer had a diagnosis of pseudo-syncope (6 vs. 13%, P=0.001) or unexplained syncope (5 vs. 20%, P=0.001). The mean cost per patient and the mean cost per diagnosis were 19 and 29% lower in the standardized-care group (P=0.001). CONCLUSION: A standardized-care pathway significantly improved diagnostic yield and reduced hospital admissions, resource consumption, and overall costs.