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BackgroundHeart failure (HF) remains a major public health challenge, while HF self-care is particularly challenging. Mobile health (mHealth)–based interventions taking advantage of smartphone technology have shown particular promise in increasing the quality of self-care among these patients, and in turn improving the outcomes of their disease. ObjectiveThe objective of this study was to co-develop with physicians, patients with HF, and their caregivers a patient-oriented mHealth app, perform usability assessment, and investigate its effect on the quality of life of patients with HF and rate of hospitalizations in a pilot study. MethodsThe development of an mHealth app (The Hellenic Educational Self-care and Support Heart Failure app [ThessHF app]) was evidence based, including features based on previous clinically tested mHealth interventions and selected by a panel of HF expert physicians and discussed with patients with HF. At the end of alpha development, the app was rated by mHealth experts with the Mobile Application Rating Scale (MARS). The beta version was tested by patients with HF, who rated its design and content by means of the Post-Study System Usability Questionnaire (PSSUQ). Subsequently, a prospective pilot study (THESS-HF [THe Effect of a Specialized Smartphone app on Heart Failure patients’ quality of self-care, quality of life and hospitalization rate]) was performed to investigate the effect of app use on patients with HF over a 3-month follow-up period. The primary endpoint was patients’ quality of life, which was measured with the Kansas City Cardiomyopathy Questionnaire (KCCQ) and the 5-level EQ-5D version (EQ-5D-5L). The secondary endpoints were the European Heart Failure Self-care Behavior Scale (EHFScBS) score and the hospitalization rate. ResultsA systematic review of mHealth-based HF interventions and expert panel suggestions yielded 18 separate app features, most of which were incorporated into the ThessHF app. A total of 14 patients and 5 mHealth experts evaluated the app. The results demonstrated a very good user experience (overall PSSUQ score 2.37 [SD 0.63], where 1 is the best, and a median MARS score of 4.55/5). Finally, 30 patients (male: n=26, 87%) participated in the THESS-HF pilot study (mean age 68.7 [SD 12.4] years). A significant increase in the quality of self-care was noted according to the EHFScBS, which increased by 4.4% (SD 7.2%) (P=.002). The mean quality of life increased nonsignificantly after 3 months according to both KCCQ (mean increase 5.8 [SD 15] points, P=.054) and EQ-5D-5L (mean increase 5.6% [SD 15.6%], P=.06) scores. The hospitalization rate for the follow-up duration was 3%. ConclusionsThe need for telehealth services and remote self-care management in HF is of vital importance, especially in periods such as the COVID-19 pandemic. We developed a user-friendly mHealth app to promote remote self-care support in HF. In this pilot study, the use of the ThessHF app was associated with an increase in the quality of self-care. A future multicenter study will investigate the effect of the app use on long-term outcomes in patients with HF.

Background Acute pulmonary embolism (PE) is a common cardiovascular disorder, potentially associated with high morbidity and mortality rates. Case summary Herein, we report on a patient with COVID-19 infection and bilateral PE, who presented after cardiovascular resuscitation with return of spontaneous circulation. Initially, an acute coronary syndrome was suspected but bedside echocardiography showed dilatation of the right ventricle (RV) and RV dysfunction, helping to establish the diagnosis of acute intermediate-to-high-risk PE, which was subsequently confirmed by contrast-enhanced computed tomography pulmonary angiography. The patient was successfully treated using low-dose (12 mg of tissue plasminogen) ultrasound-assisted catheter-directed thrombolysis, which resulted in prompt clinical improvement and reversal of RV dysfunction without bleeding complications. Discussion This case demonstrates the importance of echocardiography for the differential diagnosis of PE and of catheter-directed thrombolysis for its treatment in patients with intermediate-to-high-risk and high-risk PEs. [ABSTRACT FROM AUTHOR]

Hypertrophic cardiomyopathy (HCM) is a common cause of sudden cardiac death in athletes. Cardiac Magnetic Resonance (CMR) imaging is considered an excellent tool to differentiate between HCM and athlete's heart. The aim of this systematic review was to highlight the novel CMR-derived parameters with significant discriminative capacity between the two conditions. A systematic search in the MEDLINE, EMBASE and Cochrane Reviews databases was performed. Eligible studies were considered the ones comparing novel CMR-derived parameters on athletes and HCM patients. Therefore, studies that only examined Cine-derived volumetric parameters were excluded. Particular attention was given to binary classification results from multi-variate regression models and ROC curve analyses. Bias assessment was performed with the Quality Assessment on Diagnostic Accuracy Studies. Five (5) studies were included in the systematic review, with a total of 284 athletes and 373 HCM patients. Several novel indices displayed discriminatory potential, such as native T1 mapping and T2 values, LV global longitudinal strain, late gadolinium enhancement and whole-LV fractal dimension. Diffusion tensor imaging enabled quantification of the secondary eigenvalue angle and fractional anisotropy in one study, which also proved capable of reliably detecting HCM in a mixed athlete/patient sample. Several novel CMR-derived parameters, most of which are currently under development, show promising results in discerning between athlete's heart and HCM. Prospective studies examining the discriminatory capacity of all promising modalities side-by-side will yield definitive answers on their relative importance; diagnostic models can incorporate the best performing variables for optimal results. [ABSTRACT FROM AUTHOR]

Spontaneous spinal epidural hematoma (SSEH) is a rare, albeit well-documented complication following thrombolysis treatment in ST elevation myocardial infarction (STEMI). A SSEH usually manifests with cervical pain and neurologic deficits and may require surgical intervention. In this case report, we present the first reported SSEH to occur following thrombolysis with reteplase. In this case, the SSEH manifested with cervical pain shortly after the patient emerged from his rescue percutaneous coronary intervention (PCI). Although magnetic resonance imaging reported spinal cord compression, the lack of neurologic symptoms prompted the treating clinicians to delay surgery. A dangerous dilemma emerged, as the usual antithrombotic regimen that was necessary to avoid stent thrombosis post-PCI, was also likely to exacerbate the bleeding. As a compromise, the patient only received aspirin as a single antiplatelet therapy. Ultimately, the patient responded well to conservative treatment, with the hematoma stabilizing a week later, without residual neurologic deficits. In conclusion, the conservative treatment of SSEH appears to be an acceptable option for carefully selected patients, but the risks of permanent neurologic deficits and stent thrombosis have to be weighted for each patient. [ABSTRACT FROM AUTHOR]

Purpose: To assess the landscape of management of pediatric inflammatory bowel disease (IBD) patients in Greece and investigate possible prognostic factors for the disease outcome. Methods: The medical records of all IBD patients who visited the gastroenterology divisions of two university pediatric clinics as in- or outpatients over 13 years were examined. Results: Twenty-seven females and 25 males were included in the study. Ulcerative colitis (UC) was diagnosed in 46% of cases, Crohn's Disease (CD) in 33% and unclassified IBD (IBD-U) remained the diagnosis in 21%. The CRP level was elevated in 68% of cases at diagnosis, whereas only 27.4% of patients had ESR levels and platelet counts within the age-adjusted normal range. No parameter derived from patient history, physical examination or laboratory and imaging was found to influence the time to diagnosis. Abdominal pain and lack of diarrhea at the time of diagnosis were significantly associated with the need for biologic therapy during the disease course in CD. Consistent with the "step-up" approach the treating physicians practiced, an increased number of relapses correlated with the addition of biologics in the treatment of both CD and UC patients (P=.03 and P=.002, respectively). [ABSTRACT FROM AUTHOR]