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INTRODUCTION We aimed to evaluate the clinical benefits of a de-escalation strategy from prasugrel or ticagrelor to clopidogrel versus continuation of prasugrel or ticagrelor along with aspirin in both strategies for patients presenting with acute coronary syndrome (ACS) and treated with percutaneous coronary intervention (PCI), and to analyze the effect of the recently published randomized clinical trial (RCT) by Park et al., which included the largest sample size ever and the largest switched number of patients, on current guidelines and practices. DATA SOURCES The PubMed, EMBASE, Scopus, Web of Science, Cochrane Central, and Google Scholar databases were searched systematically from inception to May 2021 by using the search terms ('de-escalation' OR 'switching') AND ('antiplatelet' OR 'clopidogrel' OR 'ticagrelor' OR 'prasugrel') AND ('percutaneous coronary intervention' OR 'PCI'' OR 'Acute coronary syndrome' OR 'ACS'). STUDY SELECTION AND DATA EXTRACTION We included RCTs that reported the primary outcomes, i.e. net clinical benefits and Bleeding Academic Research Consortium (BARC) type 2 or higher bleeding. A combination of both ischemic and bleeding events was defined as a net clinical benefit. DATA SYNTHESIS A total of four RCTs were included, with 5952 patients. A random-effects meta-analysis revealed that a de-escalation strategy was associated with lower ischemic and bleeding events (net clinical benefits; risk ratio [RR] 0.63, 95% confidence interval [CI] 0.47-0.85; p = 0.003), and lower BARC type 2 or higher bleeding (RR 0.51, 95% CI 0.29-0.91; p = 0.02) when compared with a continuation strategy. RELEVANCE TO PATIENT CARE AND CLINICAL PRACTICE The current guidelines recommend potent P2Y12 prasugrel or ticagrelor for 12 months despite their association with a high risk of bleeding. Our meta-analysis updates cardiologists, providing them with the best available evidence in managing patients with ACS who underwent PCI. CONCLUSION Among patients with ACS treated with PCI, a de-escalation strategy (prasugrel or ticagrelor to clopidogrel) is associated with lower ischemic and bleeding events (net clinical benefits) and lower BARC type 2 or higher bleeding; however, due to the limited number of included studies, further high-quality studies are needed to establish the clinical efficacy of the de-escalation strategy.

This review aims to evaluate if there are clinical benefits of curcumin (CUR) in patients with polycystic ovary syndrome (PCOS). Electronic databases (PubMed, EMBASE, Scopus, Web of Science, Cochrane Central, and Google Scholar) were systematically searched to identify only randomized clinical trials (RCTs) that assessed CUR in patients with PCOS from inception to May 5, 2021. Five RCTs were included with a total of 296 patients, with 148 among the CUR groups and 148 patients among the control group. Revised Cochrane risk-of-bias tool for randomized trials was used to assess the risk of bias, three RCTs provided a low risk of bias and two provided a high risk of bias. Compared with the control group, CUR was associated with a statistically significant improvement in the glycemic control including fasting blood glucose (MD = -3.67; 95% CI = [-5.25, -2.08], p < .00001), insulin level (MD = -1.91; 95% CI = [-2.97, -0.84], p = .0005), homeostasis model assessment of insulin resistance (MD = -0.55; 95% CI = [-0.83, -0.27], p = .0001), and quantitative insulin sensitivity check index (MD = 0.01; 95% CI = [0.00, 0.02], p = .0005). The mean difference in total cholesterol was also statistically significant (MD = -15.55; 95% CI = [-30.33, -0.76], p < .04). The rest of the secondary outcomes, including LDL, HDL, sex hormone, body weight, and CRP, were not statistically significant. This review concluded that among patients with PCOS, the use of CUR demonstrated a significant difference from the control group for glycemic control. Those findings suggest that CUR confers clinical benefits in patients with PCOS. However, due to the limited number of the included studies, further high-quality studies are needed to establish the clinical efficacy of the CUR.

Arrhythmias in COVID-19 patients are associated with hypoxia, myocardial ischemia, cytokines, inflammation, electrolyte abnormalities, pro-arrhythmic or QT-prolonging medications, and underlying heart conditions such as severe congestive heart failure, inherited arrhythmia syndromes, or congenital heart conditions. In the pediatric population, multisystem inflammatory syndrome can lead to cardiac injury and arrhythmias. In addition, arrhythmias and cardiac arrests are most prevalent in the critically ill intensive care unit COVID-19 patient population. This review presents an overview of the association between COVID-19 and arrhythmias by detailing possible pathophysiological mechanisms, existing knowledge of pro-arrhythmic factors, and results from studies in adult and pediatric COVID-19 populations, and the clinical implications., Graphical abstract Image, graphical abstract

Facial synkinesis can happen as a negative event following the recovery of facial nerve paralysis. In this case report, five months after right facial nerve decompression surgery following right sided head trauma, a 21-year-old female patient developed oral-ocular synkinesis. During her attempt to voluntarily smile, she experienced uncontrolled winking of her right eye. Exercise therapy was used as a treatment modality which largely improved her facial nerve function and decreased her synkinesis. As a treatment modality, exercise therapy was used which saw a great improvement in both her facial nerve function and decreased her synkinesis.

BACKGROUND: Anemia is a common complication in chronic kidney disease (CKD) with increased morbidity and mortality. Recently published RCTs were conducted to compare the effect of the new medication roxadustat (ROX) with erythropoiesis-stimulating agent (ESA) in dialysis-dependent CKD (DD-CKD) patients. Our article aimed to meta-analyze published RCTs to investigate the efficacy and safety of ROX for anemia in DD-CKD patients and update the effect of the new studies on overall analysis with subsequent impact on management. METHODS: Electronic databases (PubMed, EMBASE, Scopus, Web of Science, Cochrane Central, and Google Scholar) were searched systematically from inception to July 2021 by using this search term (Roxadustat OR ASP1517 OR FG4592 OR “FG-4592”) AND (kidney OR renal) AND (Anemia). We only included randomized control trials (RCTs) that reported the primary outcome of change in hemoglobin (Hb) level and iron utilization parameters, including ferritin, serum iron, TSAT, TIBC, transferrin, and hepcidin. RESULTS: Ten RCTs were finally included with 3031 patients in the ROX group and 2737 patients in the control group. ROX was associated with increase in Hb level (SMD: 0.2; 95% CI: 0.02, 0.39; P=0.03), TIBC (SMD: 0.79; 95% CI: 0.61, 0.98; P

Introduction: Transplant patients are a vulnerable group due to their immunocompromised status. Understanding how COVID-19 can present in this group is clinically important. Therefore, we conduct a systematic review and meta-analysis on clinical features and management of transplant patients with COVID-19.Methods: Five databases were searched in May 2020 to include all relevant studies reporting clinical features or outcomes of COVID-19 infection in transplant patients. Data on clinical presentation, outcomes, lab values, imaging, and drug regimen were extracted. CMA software was used for meta-analysis. Protocol was registered in PROSPERO (CRD42020189458).Results: A total of 49 studies were finally included for analysis. Patients mainly complained from fever with event rate 74.40 % (95% CI= 69.4-78.8), cough 61.10% (95% CI= 55.8-66), and dyspnea 46.60% (95% CI= 69.4-78.8). Blood urea nitrogen 78.90% (95% CI= 54.7-92), ESR 78.10% (95% CI=52.3-92.1), and D-dimer 74.10% (95 % CI= 53-87.9) were the most elevated observed laboratory values. Ground glass opacities (GGO) were observed with event rate 68.10% (95% CI= 20.4-94.9). For treatment, immunosuppressants were used in 88.80% (95% CI= 77.6-94.8) of patients, followed by antibiotics and antiviral drugs 68.40% (95% CI= 52.4-80.9), 66.80% (95% CI = 45-83.2), respectively. Mechanical ventilation was used in 26.30% (95% CI=21-32.4) patients while 33.7% (95% CI= 20.7-49.9) intubated. Rejection occurred in 11% (95% CI= 4.4-25) of the patients. Finally, 18.20% (95% CI= 12.6-25.7) died. Conclusion: Clinical characteristics and management in transplant COVID patients suggest the similar course in non-transplant. Fever, cough, dyspnoea, elevated blood urea nitrogen level, elevated CRP, elevated d-dimer, GGO, and consolidation were found to be the most frequent abnormalities. No direct, comparative analysis with non-transplant COVID population limited our results; however, numerous studies that examined the infected general population found similar, less augmented findings. Most of the included sample were kidney transplant patients; therefore, more studies are needed to address other types of COVID-19 infected transplant patients.

We think CROSS has the potential to be a beneficial resource to researchers who are designing and conducting survey studies. Following CROSS before and during the survey administration could assist researchers to ensure their surveys are sufficiently reliable, reproducible, and transparent.