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Myocardial infarction (MI) with non-obstructive coronary arteries (MINOCA) is reported in 6% of patients with acute MI referred for catheterization. Because of the complex etiology and a limited amount of evidence, the treatment of MINOCA remains elusive. The etiology of MINOCA manifests from several causes including plaque disruption or erosion, epicardial coronary artery vasospasm, and coronary microvascular dysfunction. In addition, spontaneous coronary artery dissection, takotsubo, and myocarditis have been identified as contributing to the diagnosis of MINOCA. Patients with MINOCA are frequently young, non-white females with fewer traditional risk factors compared with those with an MI caused by obstructive coronary disease. Moreover, women who suffered an MI are 5 times more likely to be diagnosed with MINOCA with a trend for worse outcomes compared with men. The increased recognition/diagnosis of MINOCA has highlighted a gap in our understanding of the treatment of MINOCA. This review identified that there is a paucity of evidence on treatment strategies for patients clinically diagnosed with MINOCA, but more importantly that MINOCA should be viewed as a "syndrome" with many different pathologic causes. This suggests that a standard protocol may not be useful for patients with MINOCA. Given the ongoing debate over the complexity of MINOCA, the main focus in the management of MINOCA should be to identify the underlying mechanism for targeted therapies that may optimize outcomes.

Within the context of Canada's opioid crisis, medical complications associated with intravenous drug use (IVDU) are increasing. Infective endocarditis (IE) is a serious complication of IVDU, and understanding the characteristics of these patients could aid health systems, clinicians, and patients in the optimization of treatment and prevention of IVDU-IE.

At a tertiary care hospital in southern New Brunswick, we conducted a retrospective chart review to identify patients with IVDU-IE admitted between January 1, 2013, and December 31, 2017. We collected data related to the epidemiology, microbiology, clinical manifestations, echocardiography, complications during hospital admission, and outcomes.

Forty-two cases of IVDU-IE met inclusion criteria. The rate of IVDU-IE increased from 2.28 per 100,000 population in 2014 to 4.00 in 2017, which, although not statistically significant, reflects patterns in other jurisdictions. Most patients (72.4%) were male, and the mean age was 38.3 (±11.5) years. Most patients (79.3%) injected opioids. The most common clinical sign was fever (90.5%), and

61.9%) was the most common microorganism. The tricuspid valve was most commonly infected (58.5%), 50% of cases had heart failure as a complication during admission, and 45.2% of cases required valve replacement or repair. The 2-year survival rate after admission for initial IVDU-IE episode was 62.0% (95% confidence interval 36.5-79.7).

IVDU-IE is common in New Brunswick and may be increasing. Glycyrrhizin supplier Despite the relatively young age of this patient population, IVDU-IE is associated with significant morbidity and mortality. Expanding effective harm reduction and addiction treatment strategies for this cohort is recommended.

IVDU-IE is common in New Brunswick and may be increasing. Despite the relatively young age of this patient population, IVDU-IE is associated with significant morbidity and mortality. link2 Expanding effective harm reduction and addiction treatment strategies for this cohort is recommended.

Mechanical circulatory support in cardiogenic shock (CS) with percutaneous left ventricular assist devices (PVADs) has expanded rapidly, but there is a paucity of Canadian data. Conflicting observational reports have emerged regarding the benefit of PVADs in CS. We describe a 5-year experience with Impella CP for CS at a single Canadian tertiary care centre.

Consecutive adult patients with CS supported with Impella CP were included. Comprehensive clinical data and outcomes were retrospectively assessed. We evaluated patient characteristics, patterns of care, in-hospital outcomes, 6-month survival, and predictors of survival.

Thirty-four patients were supported with Impella CP for CS over 5 years. A majority had acute myocardial infarction (94%) with advanced CS (68% Society for Cardiovascular Angiography and Intervention [SCAI] stage D or E). Survival to discharge was 58%. In patients who survived to discharge, 6-month survival was 100% with excellent functional status. SCAI CS stage and initial serum lactate showed significant associations with survival. There was also a trend towards improved survival with shorter door-to-PVAD time. Clinically significant bleeding was common (26%), and 3 patients had device-related vascular complications.

Impella CP may have a role in carefully selected patients with CS. The SCAI shock classification and serum lactate may facilitate patient selection, and minimizing door-to-support time as well as bleeding complications are important considerations. Further clinical investigations, particularly in a Canadian setting, will be necessary to establish the role of this new technology in CS.

Impella CP may have a role in carefully selected patients with CS. The SCAI shock classification and serum lactate may facilitate patient selection, and minimizing door-to-support time as well as bleeding complications are important considerations. Further clinical investigations, particularly in a Canadian setting, will be necessary to establish the role of this new technology in CS.

Syncope is a common presentation to the emergency department (ED), yet little is known regarding patient mode of arrival.

We identified patients ≥20 years old who presented to the ED with a primary diagnosis of syncope in Alberta and Ontario, Canada, between 2010 and 2016. Outcomes included 30-day in-hospital mortality, ED revisits, and rehospitalizations according to mode of arrival and discharge status. link3 The estimated cost for ambulance use was calculated based on the provincial rates (Alberta CAD$385 and Ontario $240).

A total of 271,601 syncope presentations to the ED were identified and 60.7% arrived by ambulance. A total of 76.3% (n=125,793) of ambulance users and 87.0% of self-presenters (n=92,845) were discharged from the ED. Regardless of mode of arrival, discharged patients were younger with fewer comorbidities. Compared with ambulance users admitted, those discharged had lower in-hospital mortality (0.2% vs 3.5%,

< 0.001), ED revisits (4.4% vs 10.4%,

< 0.001), and rehospitalizations (3.6% vs 10.7%,

< 0.001). Discharged self-presenters also had significantly lower outcomes (

< 0.001, for each outcome) compared with admitted self-presenters. The estimated cost for ambulance use among patients discharged from the ED was $33,137,735.

A majority of syncope patients arrived to the ED by ambulance, and over 3 quarters were directly discharged home. Although discharged patients had a favourable short-term prognosis, they incurred high transportation costs. Strategies aimed at preventing unnecessary ambulance use are needed.

A majority of syncope patients arrived to the ED by ambulance, and over 3 quarters were directly discharged home. Although discharged patients had a favourable short-term prognosis, they incurred high transportation costs. Strategies aimed at preventing unnecessary ambulance use are needed.

Hepatic venous pressure gradient (HVPG) is measure of portal pressure and a prognostic tool in patients with viral and alcoholic cirrhosis; its utility is unknown in patients with Fontan-associated liver disease (FALD). Limited data suggest that patients with FALD have normal HVPG. On the basis of the available data, we hypothesized that there would be no association between HVPG, liver disease severity, and transplant-free survival in FALD.

A retrospective study of Fontan patients who had liver biopsy and HVPG assessment at Mayo Clinic was performed. HVPG was calculated as wedged HVP minus free HVP; liver disease severity was measured by histologic assessment of fibrosis and standard clinical liver disease risk scores.

Of 56 patients (aged 28 ± 7 years), the mean Fontan pressure was 16 ± 4 and the mean HVPG was 1.4 ± 0.3 mm Hg (range, 0-3). Perisinusoidal fibrosis and periportal fibrosis were present in 56 (100%) and 54 (94%) patients, respectively; 18 (32%) met criteria for cirrhosis. There was no correlation between HVPG and degree of hepatic fibrosis. Similarly, there was no correlation between HVPG and any clinical liver disease risk score. Six (11%) patients died and 2 (4%) underwent heart transplantation during follow-up; HVPG was not associated with transplant-free survival.

HVPG is not elevated in FALD even in the setting of cirrhosis and does not correlate with liver disease severity or clinical outcomes. These results suggest the limited diagnostic and prognostic role of HVPG in the management of FALD and highlight the potential pitfalls of using HVPG in this population.

HVPG is not elevated in FALD even in the setting of cirrhosis and does not correlate with liver disease severity or clinical outcomes. These results suggest the limited diagnostic and prognostic role of HVPG in the management of FALD and highlight the potential pitfalls of using HVPG in this population.

The number of implantable cardioverter defibrillator (ICD) infections is increasing due to an increased number of ICD implants, higher-risk patients, and more frequent replacement procedures, which carry a higher risk of infection. Reducing the morbidity, mortality, and cost of ICD-related infections requires an understanding of the current rate of this complication and its predictors.

The

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valuation Trial (SIMPLE) trial randomized 2500 ICD recipients to defibrillation testing or not. Over an average of 3.1 years, patients were seen every 6 months and examined for evidence of ICD infection, which was defined as requiring device removal and/or intravenous antibiotics.

Within 24 months, 21 patients (0.8%) developed infection. Fourteen patients (67%) with infection presented within 30 days, 20 patients by 12 months, and only 1 patient beyond 12 months. Univariate analysis demonstrated that patients with primary electrical disorders (3 patients,

= 0.009) and those with a secondary prevention indication (13 patients,

= 0.0009) were more likely to develop infection. Among the 2.2% of patients who developed an ICD wound hematoma, 10.4% developed an infection. Among the 8.3% of patients requiring an ICD reintervention, 1.9% developed an infection.

This cohort of ICD recipients at high-volume centres have a low risk of device-related infection. However; strategies to reduce wound hematoma and the need for ICD reintervention could further reduce the rate of infection.

This cohort of ICD recipients at high-volume centres have a low risk of device-related infection. However; strategies to reduce wound hematoma and the need for ICD reintervention could further reduce the rate of infection.

To determine the effectiveness of sacubitril/valsartan 97/103 mg twice daily (b.i.d.) on tolerability, safety, and quality of life (QoL) in Canadian patients with heart failure with reduced ejection fraction in a real-life setting.

In

rospective, Multicenter, Open L

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tudy

med at Characterizing the Use of

CZ696 at 97 mg Sacubitril/103 mg Valsartan bid in Patients With HFrEF (PARASAIL), an open-label, prospective, phase IV, multicentre study, outpatients with heart failure with reduced ejection fraction and New York Heart Association functional class II-III were followed up for 12 months. The suggested starting dose of sacubitril/valsartan was 24/26 mg b.i.d. replacing angiotensin-converting enzyme inhibitor or angiotensin receptor blocker, with an uptitration to 97/103 mg b.i.d. or as per clinical judgement. The primary endpoint was the proportion of patients achieving the target dose of sacubitril/valsartan 97/103 mg b.i.d. after 6 months of treatment.

For the 302 patients included, the mean age was 64.

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