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33 result(s) for "Petrov, Ivo"
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Thermography in Stroke—A Systematic Review
Background and Objectives: Thermography is a non-invasive diagnostic technique that measures skin surface temperatures to reflect normal or abnormal physiology. This review explores the clinical utility of thermography in diagnosing and monitoring stroke, with an emphasis on its clinical applications. Materials and Methods: This systematic review followed PRISMA guidelines, with a protocol published prior to analysis. Three databases were screened up to end of 2024. Article selection was conducted in two stages: title and abstract screening using Rayyan®, followed by full-text eligibility assessment. Discrepancies were resolved through consensus. Risk of bias assessment was performed with ROBINS-I. Narrative synthesis was planned in addition to descriptive statistics. Results: A total of 20 studies were included after screening 277 records. Thermography emerged as a promising tool for stroke patients in both the acute and chronic phases. In the acute phase, it demonstrated potential in detecting early signs of carotid occlusive disease by identifying temperature differences in the forehead or neck regions. Additionally, thermography contributed to the differential diagnosis of Wallenberg syndrome. In the chronic phase, it exhibited clinical utility in monitoring rehabilitation progress. Conclusions: Thermography shows promise as a non-invasive tool for stroke assessment and monitoring. While preliminary studies suggest physiological relevance, its clinical utility remains investigational and requires further validation.
The role of periprocedural hemodynamic variables during carotid stenting for the mid-term general mortality in advanced age patients
Introduction : Carotid stenting may produce significant bradycardia and/or hypotension. This may have negative short- and long-term effects for the elderly high-risk patients. Their cerebral hemodynamics is with exhausted adaptive capacity because of the multiple cardiovascular risk factors, advanced age, and significant stenosis. Aim : This was a retrospective study aimed at finding whether periprocedural hypoperfusion or hypotension at the time of carotid stenting had any significance for the acute neurological outcome and mid-term general mortality in advanced-age patients who were at high risk for surgical endarterectomy. Materials and methods : We studied 138 consecutive patients with significant carotid stenosis from January 2015 to July 2019. The mean (SD) age was 67.41 (10.70) years. The mean follow-up period was 31 months (922 days). The patients were hemodynamically monitored periprocedurally according to a local protocol. Vasopressors were added if a prolonged hypotension was measured. Statistical data were analyzed using SPSS IBM v. 19 ( p =0.05, CI 95%). Results : The male patients were 94 (68%). The number of patients with hypotension periprocedurally or in the first 6 hours post-procedure was 55 (42%). The mean blood pressures were 135/83 mmHg before, 116/76 mmHg during, and 121/73 mmHg after the procedure. Kaplan-Maier analysis showed no significant differences in the mid-term general mortality rate between patients with and patients without transitory hypotension. There wasn’t any difference in the postprocedural neurological outcome either. Conclusions : The presence of hypotension during carotid stenting was not linked to a negative neurological outcome. It also did not increase mid-term all-cause mortality in elderly patients (mean age, 67 years). The finding could be attributed to the relatively brief period of hypotension, the prompt administration of vasopressors, or the prevention of brain edema and hyper-reperfusion during carotid stenting in terms of elevated blood pressure; however, this remains to be determined.
The outbreak of the SARS‐CoV‐2 Omicron variant make imperative the adoption of telerehabilitation in the Bulgarian health care system
The rapid spread of the highly contagious Omicron variant of SARS-CoV-2 globally will challenge the accessibility and the delivery of physical and rehabilitation medicine (PRM) services. Many health care systems throughout the world performed effective reforms such as the transition to telerehabilitation (TR). In Bulgaria, TR is still not regulated by law, and terms such as teleconsultation and tele-education have not yet been introduced. The adoption of TR in the Bulgarian health care system will undoubtedly increase the accessibility to rehabilitation treatment for a larger group of Bulgarian patients with various neurological, cardiorespiratory, musculoskeletal, and oncological conditions and will significantly contribute to the PRM services modernization in Bulgaria.
Pheochromocytoma presenting with bidirectional ventricular tachycardia
Delayed after-depolarisations occurring in different zones of the conduction system are thought to best explain its mechanism. 1 Typically, BVT is of right bundle branch block pattern with alternating left-anterior and left-posterior fascicular block pattern with frequently occurring haemodynamic compromise and degeneration to ventricular fibrillation. 2 In our case, BVT was haemodynamically stable and had a LBBB pattern suggesting involvement of the right bundle branch only.
Use of ASD closure device for the sealing of false lumen entry in the ascending aorta after dissection Type A surgical repair
We present a case of a persistent false lumen after ascending aorta replacement due to Stanford Type A dissection treated by endovascular means. The main entry tear was occluded with an atrial septal defect closure device, sealing the false lumen. A total of five additional stents were implanted to centralise and secure the flow in the true lumen. CT scan at 6-month follow-up showed excellent results with a decreased total aortic diameter and thrombosed false lumen.
Management of High and Very High-Risk Subjects with Familial Hypercholesterolemia: Results from an Observational Study in Bulgaria
Familial hypercholesterolaemia (FH) is a genetic disorder causing accelerated atherosclerosis and premature cardiovascular disease (CVD). This retrospective observational study examined the clinical characteristics and management of FH subjects in Bulgaria over a 12-month period. Twelve cardiology sites participated in this study from May 2015 to May 2016. Eligible subjects had at least two routine low-density lipo-protein cholesterol (LDL C) measurements and a prescription for lipid-lowering therapy (LLT) at the start of the observation period. Mean values for gender, age and cardiovascular (CV) event history at baseline and LDL-C over time were estimated. Of the 220 eligible subjects, 196 fulfilled the criteria for FH diagnosis: 27 definite, 94 probable and 75 possible. Mean age at enrolment was 54.4 years and 64.1% of subjects were male. Mean CV risk classification at baseline was 26.8% high-risk (HR) and 73.2% very high-risk (VHR). Mean LDL-C was 5.6 mmol/L at enrolment and 4.1 mmol/L at last observation visit (12 months). The ESC/EAS Guideline LDL-C targets (applicable at the time of the study) were achieved by 14.5% of HR and 5.0% of VHR subjects. Most subjects (n=219) received statins. One subject was statin intolerant (ezetimibe therapy). Intensive statin treatment (atorvastatin 40-80 mg/daily and rosuvastatin 20-40 mg/daily) was used in 38.6% of individuals during the observation period and 10% of subjects received combination therapy (statin plus ezetimibe or other LLT). Most subjects with FH do not reach the ESC/EAS defined LDL-C targets. Early identification and physician education may improve FH management.
Interdisciplinary management of acute ischaemic stroke – current evidence on training requirements for endovascular stroke treatment. Position Paper from the ESC Council on Stroke and the European Association for Percutaneous Cardiovascular Interventions with the support of the European Board of Neurointervention: A step forward
Stroke, a vascular disease of the brain, is the #1 cause of disability and a major cause of death worldwide. Stroke has a major negative impact on the life of stroke-affected individuals, their families and the society. A significant proportion of stroke victims indicate that would have preferred death over their after-stroke quality of life. Mechanical thrombectomy (MT), opening the occluded artery using mechanical aspiration or a thrombus-entrapment device, is a guideline-mandated (class I, level of evidence A) treatment modality in patients with large vessel occlusion stroke. MT clinical benefit magnitude indicates that a universal access to this treatment strategy should be the standard of care. Today there is a substantial geographic variation in MT deliverability, with large-scale disparities in MT implementation. In many countries effective access to MT remains severely limited. In addition, many of the MT-treated patients are treated too late for a good functional outcome because of logistic delays that include transportations to remotely located, scarce, comprehensive stroke centres. Position Paper from the European Society of Cardiology Council on Stroke and European Association for Percutaneous Cardiovascular Interventions on interdisciplinary management of acute ischaemic stroke, developed with the support of the European Board of Neurointervention fills an important gap in systematically enabling interventional cardiologists to support stroke intervention in the geographic areas of unmet needs in particular. We review strengths and weaknesses of the document, and suggest directions for the next steps that are swiftly needed to deliver MT to stroke patients more effectively.
Endovascular closure of MINOCA-caused ventricular septal defect (VSD)
Myocardial infarction with non-obstructive coronary arteries (MINOCA) is a rare form of acute myocardial infarction and it is an even rarer cause of ventricular septal defect (VSD). We present a case of successful endovascular closure of post-MINOCA VSD with the use of an atrial septal defect (ASD) occluder. The patient improved from intra-aortic balloon pump dependent to New York Heart Association (NYHA) I in a matter of days. 18-month follow-up period is event free and symptom free.
Polymer-based or Polymer-free Stents in Patients at High Bleeding Risk
In a randomized trial involving patients at high bleeding risk who received 1 month of dual antiplatelet therapy after PCI, use of polymer-based zotarolimus-eluting stents was noninferior to use of polymer-free drug-coated stents with regard to safety and effectiveness composite outcomes.