Notes

Transforming summer season rainfall variation inside the Alpine area: about the part regarding size reliant environmental drivers.
This case study of Nepal suggests that the success of its national immunization program relied on the engagement and understanding of the beneficiaries. The immunization program was supported by consistent and reliable commitment, collaboration, awareness, and collective responsibility between the government, community, and partners. These networks are strengthened through a collective dedication to vaccination programming and a universal belief in health as a human right.
This case study of Nepal suggests that the success of its national immunization program relied on the engagement and understanding of the beneficiaries. The immunization program was supported by consistent and reliable commitment, collaboration, awareness, and collective responsibility between the government, community, and partners. These networks are strengthened through a collective dedication to vaccination programming and a universal belief in health as a human right.[This corrects the article DOI 10.1016/j.jvacx.2021.100127.].[This corrects the article DOI 10.1016/j.cjco.2020.09.001.].Although current guidelines recommend the use of prostanoid infusion that includes epoprostenol for high-risk pulmonary arterial hypertension patients, epoprostenol has many adverse effects. We report a case of a heritable pulmonary arterial hypertension patient who had transient biventricular hypertrophy during high-dose administration of epoprostenol. In this case, biventricular hypertrophy with worsening of dyspnea was observed during the uptitration of epoprostenol. Inflammatory diseases and endocrine disorders were ruled out as causes of the ventricular hypertrophy. After epoprostenol was changed to intravenous treprostinil, the biventricular hypertrophy normalized, in connection with dyspnea improvement. The use of high-dose epoprostenol may contribute to cardiac hypertrophy.In-stent calcified nodules (CNs) are one of the mechanisms of in-stent restenosis, but their underlying cause has not been elucidated. We report a case of a patient with early stent thrombosis due to an in-stent CN only 2 weeks after drug-eluting stent implantation. The fact that the in-stent CN was detected only 2 weeks after the initial percutaneous coronary intervention means that the underlying mechanism was the progression of the CN, indicating that in-stent CNs can occur even in the subacute phase. After percutaneous coronary intervention for a severe calcified lesion, very early progression of CNs can occur, and they require close follow-up and intensive antiplatelet therapy.Patients with heart failure with reduced ejection fraction (HFrEF) often have concurrent chronic kidney disease (CKD), which can make initiating and titrating the 4 standard pharmacologic therapies a challenge. Drug dosing is often based on a calculation of the patient's creatine clearance or estimated glomerular filtration rate (eGFR), but it should also incorporate the trend in their renal function over time and the risk of toxicity of the drug. The presence of CKD in a patient should not preclude the use of a renin-angiotensin system inhibitor, although patients should be monitored frequently for worsening renal function and hyperkalemia. Sacubitril/valsartan is not recommended in patients with an eGFR less then 30 mL/min per 1.73 m2. Of the 3 ß-blockers recommended in the management of HFrEF, only bisoprolol may accumulate in patients with renal impairment; however, patients should still be titrated to the target dose (10 mg daily) or the maximally tolerated dose, depending on their clinical response. The sodium-glucose cotransporter 2 inhibitors are effective at reducing adverse cardiovascular and renal outcomes in patients with HFrEF and CKD (eGFR ≥ 25 mL/min per 1.73 m2 with dapagliflozin or ≥ 20 mL/min per 1.73 m2 with empagliflozin), although declining kidney function is a risk, due to the osmotic diuretic effect. Finally, mineralocorticoid receptor antagonist therapy should be considered in all patients with HFrEF and an eGFR ≥ 30 mL/min per 1.73 m2. The starting dose should be low (eg, 6.25-12.5 mg daily or 12.5 mg every other day) and can be uptitrated based on the patient's renal function and serum potassium.Leber's hereditary optic neuropathy (LHON) is a mitochondrial condition that gradually affects the central vision. In the current case report, we present 2 relatives with LHON due to a pathogenic variant within ND1 with a clinical phenotype resembling hypertrophic cardiomyopathy, including a short PQ-interval and hypertrophy on electrocardiogram as well as severe hypertrophy of the left ventricle on echocardiography. These findings highlight the importance of offering routine cardiac investigation to patients with LHON and their relatives carrying the ND1 variant to hopefully improve correct diagnosis and clinical management of LHON patients.Venous anomalies are typically asymptomatic and may be discovered unexpectedly at the time of implantation of a cardiac implantable electronic device. We report a case of leadless pacemaker implantation in a patient with hypoplasia of the left brachiocephalic vein who had previously undergone multiple interventions for relapsing right-sided breast cancer. The prevalence and etiology of this anatomic variant remain unknown. However, awareness of its existence may prevent complications during left-sided interventions. such as placement of a central venous line or a cardiac implantable electronic device. Alternative diagnostics and implantation strategies are discussed.
Despite transcatheter aortic valve implantation (TAVI) becoming a widely accepted therapeutic option for the management of aortic stenosis, post-procedure readmission rates remain high. Rehospitalization is associated with negative patient outcomes, as well as increased healthcare costs, and has therefore been identified as an important target for quality improvement. Strategies to reduce the post-TAVI readmission rate are needed but require the identification of patients at high risk for rehospitalization. Our systematic review aims to identify predictors of post-procedure readmission in patients eligible for TAVI.

We conducted a comprehensive search of the MEDLINE, Embase, and Cochrane Central Register of Controlled Trials (CENTRAL) databases for the time period from 2015 to the present for articles evaluating risk factors for rehospitalization post-TAVI with a follow-up period of at least 30 days in adults age ≥ 70 years with aortic stenosis. The quality of included studies was evaluated using the Newcidentify patients at high-risk for readmission who are most likely to benefit from increased support and follow-up post-TAVI.
Atrial fibrillation (AF) is the most common arrhythmia in patients undergoing hemodialysis (HD); AF lowers quality of life (QoL) and increases the risk of dialysis-related complications. The present study aimed to evaluate the effectiveness of AF ablation on the QoL in patients undergoing HD.

Nineteen patients undergoing HD (14 men, age 68 ± 8 years; 15 with paroxysmal AF) who underwent catheter ablation (CA) of AF were enrolled in the study. The Kidney Disease Quality of Life Short Form (KDQOL-SF) was assessed to evaluate the QoL of the HD patients at baseline and 6 months after the ablation. Ablation outcomes and procedural complications were evaluated and compared to those of 1053 consecutive non-HD patients who underwent AF ablation.

The KDQOL-SF of the HD patients 6 months after the ablation showed an improvement in physical functioning (54 ± 23 to 68 ± 28,
< 0.01), general health perceptions (38 ± 17 to 48 ± 15,
< 0.01), and symptoms/problems (75 ± 21 to 84 ± 13,
= 0.02), compared to baseline. For intradialytic symptoms, dyspnea during HD significantly improved after the CA in the HD patients without AF recurrence (43% to 7%,
= 0.04), whereas the atrial tachyarrhythmias and hypotension during HD remained unchanged. During the follow-up period of 17 ± 13 months after the last procedure, the incidence of being arrhythmia-free was similar (HD patients, 79% vs non-HD patients, 86%, log-rank
= 0.82). No life-threatening complications occurred in any of the patients.

CA of AF improves QoL in patients undergoing chronic HD therapy.
CA of AF improves QoL in patients undergoing chronic HD therapy.
The etiology of sarcoidosis is still unknown and is likely related to a genetic susceptibility to unidentified environmental trigger(s). Our group and others have extensively described a specific phenotype of primarily Caucasian patients who have clinically manifest cardiac sarcoidosis (CS). In this study, we sought to explore whether smoking is associated with this specific phenotype of sarcoidosis.

We performed a case-control study. Cases with clinically manifest CS were prospectively enrolled in the Cardiac Sarcoidosis Multi-Center Prospective Cohort Study (CHASM-CS registry; NCT01477359) and answered a standardized smoking history questionnaire. Cases were matched 101 with controls from the Ontario Health Study. Pretreatment positron emission tomography scans with
F-fluorodeoxyglucose were compared for smokers vs nonsmokers.

Eighty-seven cases met the inclusion criteria. A total of 82 of 87 (94.3%) answered the questionnaire and were matched with 820 controls. A clear negative association of sarco (greater mean standardized uptake value of the left ventricle) than did patients with a smoking history. Further research is needed to understand these associations and whether they have therapeutic potential.Indigenous peoples in Canada are at an increased risk of cardiovascular disease compared to non-Indigenous people. check details Contributing factors include historical oppression, racism, healthcare biases, and disparities in terms of the social determinants of health. Access to and inequity in cardiovascular care for Indigenous peoples in Canada remain poorly studied and understood. A rapid review of the literature was performed using the PubMed/MEDLINE, Web of Science, and Indigenous Studies Portal (iPortal) databases to identify articles describing access to cardiovascular care for Indigenous peoples in Canada between 2002 and 2021. Included articles were presented narratively in the context of delays in seeking, reaching, or receiving care, or as disparities in cardiovascular outcomes, and were assessed for their successful engagement in indigenous health research using a preexisting framework. Current research suggests that gaps most prominently present as delays in receiving care and as poorer long-term outcomes. The literature is concentrated in Alberta, Manitoba, and Ontario, as well as among First Nations people, and is largely rooted in a biomedical worldview. Additional community-driven research is required to better elucidate the gaps in access to holistic cardiovascular care for Indigenous peoples in Canada. Healthcare professionals, researchers, and policymakers should reflect further upon their actions and privilege, educate themselves about historical facts and the Truth and Reconciliation Commission, tackle prevailing disparities and systemic barriers in the healthcare systems, and develop culturally safe and ethically appropriate healthcare interventions to improve the health of all Indigenous peoples in Canada.
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