Acute cardiovascular events in patients with community acquired pneumonia: results from the observational prospective FADOI-ICECAP study.

BACKGROUND: The burden of cardiovascular (CV) complications in patients hospitalised for community-acquired pneumonia (CAP) is still uncertain. Available studies used different designs and different criteria to define CV complications. We assessed the cumulative incidence of acute of CV complications during hospitalisation for CAP in Internal Medicine Units (IMUs). METHODS: This was a prospective study carried out in 26 IMUs, enrolling patients consecutively hospitalised for CAP. Defined CV complications were: newly diagnosed heart failure, acute coronary syndrome, new onset of supraventricular or ventricular arrhythmias, new onset hemorrhagic or ischemic stroke or transient ischemic attack. Outcome measures were: in-hospital and 30-day mortality, length of hospital stay and rate of 30-day re-hospitalisation. RESULTS: A total of 1266 patients were enrolled, of these 23.8% experienced at least a CV event, the majority (15.5%) represented by newly diagnosed decompensated heart failure, and 75% occurring within 3 days. Female gender, a history of CV disease, and more severe pneumonia were predictors of CV events. In-hospital (12.2% vs 4.7%, p < 0.0001) and 30-day (16.3% vs 8.9%, p = 0.0001) mortality was higher in patients with CV events, as well as the re-hospitalisation rate (13.3% vs 9.3%, p = 0.002), and mean hospital stay was 11.4 ± 6.9 vs 9.5 ± 5.6 days (p < 0.0001). The occurrence of CV events during hospitalisation significantly increased the risk of 30-day mortality (HR 1.69, 95% CI 1.14-2.51; p = 0.009). CONCLUSION: Cardiovascular events are frequent in CAP, and their occurrence adversely affects outcome. A strict monitoring might be useful to intercept in-hospital CV complications for those patients with higher risk profile. TRIAL REGISTRATION: NCT03798457 Registered 10 January 2019 - Retrospectively registered.

Cellulosimicrobium cellulans aortic prosthetic valve endocarditis.

INTRODUCTION: Invasive infections due to Cellulosimicrobium spp. (a Gram-positive coryneform) are extremely rare. Only a few cases of bloodstream infections and endocarditis have been described, as bacteraemia due to coryneforms is usually discarded as blood culture contamination. CASE PRESENTATION: A 66-year-old female, with a history of aortic valve replacement, presented with fever, left leg purpura and acute kidney injury. Multiple repeated blood cultures were positive for Cellulosimicrobium cellulans , and targeted therapy was started. At first, endocarditis was excluded by echocardiograms, and the acute nephritis was interpreted as an atypical presentation of Henoch-Shönlein purpura. High-dose prednisone was started, and after 10 weeks the patient presented again with fever, mental confusion and acute left arm ischaemia. A subsequent echocardiogram and radiolabelled leukocyte scintigraphic evaluation revealed aortic prosthetic valve endocarditis with periprosthetic abscess and arterial brachial thrombosis. The patient deceased, and the autoptic examination confirmed an aortic valve periprosthetic abscess and revealed multiple arterial thromboses and septic embolisms in the kidneys, brain, spleen and myocardium. CONCLUSION: Isolation of coryneform bacteria on blood culture should not always be discarded as blood culture contamination. In the case of endocarditis due to Cellulosimicrobium spp., the removal of any prosthetic material, along with prolonged in vitro active antimicrobial therapy, should be pursued in order to reduce persistence or relapses of infection.

Outcome of the multidimensional prognostic index in ultra-octogenarian patients hospitalized for cardiovascular diseases.

BACKGROUND: The multidimensional prognostic index (MPI) is a validated tool for prognostic stratification in acute and chronic setting of geriatric patients. However, only few data are available on patients with cardiovascular diseases. AIM: To evaluate the potential role of MPI as predictor of 1-year and long-term outcome in ultra-octogenarians patients hospitalized for cardiovascular diseases. METHODS AND RESULTS: We conducted a prospective study on 216 patients (mean age 85 ±â€Š4 years) hospitalized for cardiovascular disease enrolled from September 2011 to February 2014 in both Cardiology and Internal Medicine Departments. The mean follow-up was 33 ±â€Š7 months. The primary end-point was 1-year all-cause mortality. In addition, 3-year all-cause mortality was also assessed in the overall cohort and outcome prediction was then evaluated separately in patients with a primary diagnosis of heart failure and acute coronary syndrome. At admission, 53% of patients had a MPI-1 low risk, 34% had a MPI-2 moderate risk and 13% had a MPI-3 high risk (13%). Internal medicine inpatients had worse risk profile and higher MPI risk class than patients admitted to the cardiovascular department. Fifty-four patients (25%) experienced the primary end-point. In the multivariate logistic regression model MPI score [hazard ratio (HR) 1.83, 95% confidence interval (CI) 1.23-2.71, P = 0.003], serum creatinine (HR 1.32, 95% CI 1.13-1.54, P < 0.001) and serum albumin (HR 0.43, 95% CI, P = 0.04) were independent predictors of 1-year mortality. The area under the receiver operating characteristic combining the MPI score with serum creatinine and albumin was 0.83 (CI 0.15-0.59, P < 0.001). CONCLUSION: In ultra-octogenarian inpatients hospitalized for cardiovascular disease, MPI score independently predicts a poorer outcome. An integrated model including MPI, serum creatinine and albumine might aid the prognostic stratification of hospitalized elderly populations.

Pulmonary artery aneurysm and sarcoidosis.

Pulmonary artery aneurysm unassociated to congenital heart disease and pulmonary hypertension is exceedingly rare. Its pathogenesis and correct management remain unknown. Sarcoidosis is a systemic disease that can exceptionally involve large vessels, leading to stenosis and dilatation. Pulmonary artery aneurysm has never been described in association with sarcoidosis. Surgical approach should prevent aneurysm rupture, but it is not known when surgery should be preferred to strict medical follow-up. In this report we present a case of large pulmonary artery aneurysm associated to systemic sarcoidosis underlining problematic management of diseases 'forgotten' by evidence based medicine.

Large-artery hemodynamics after acute alcohol administration in young, healthy volunteers.

The objective of the present study was to investigate the acute effects of alcohol on blood flow volume and velocity, on wall motion of superficial large arteries, and on systemic hemodynamics in humans. In 10 healthy volunteers small doses of alcohol were administered either orally (0.3 g/kg in 250 mL water) or intravenously (7.5 mg/kg/minute in 250 mL saline in 40 minutes). The effects of alcohol were compared with those of saline 250 mL infused for 40 minutes (6.25 mL/min). Blood velocity and systodiastolic changes of wall diameter were measured in the common carotid, femoral, and brachial arteries simultaneously with cardiac output and finger blood pressure. Skin temperature was measured at the cheek, hand, and toe. Ethanol administration caused a transitory blood pressure increase accompanied by a rise in peripheral resistances at 20 minutes. Arterial blood flow was not changed by either mode of alcohol administration at any of the measurement sites. However, this result was achieved through different compensatory mechanisms in each artery. In fact, mean carotid diameter increased after both oral and intravenous ethanol administration but remained unchanged at the brachial and femoral level. Mean blood velocity was reduced after alcohol administration at the carotid but was unchanged at the brachial and femoral level after oral or intravenous alcohol administration. Skin temperature increased 20 minutes after alcohol administration at all sites. This study shows that although acute alcohol administration does not change blood flow in superficial large arteries, it causes different autoregulatory local responses of vessel walls.

Easily reversible hypoxemia and hypotension induced by nimodipine.

Calcium antagonists are drugs commonly prescribed for the treatment of hypertension, angina pectoris, cardiac arrhythmias and other disorders because of their efficacy and tolerability. Nevertheless, overdosage and intoxication are well documented. In this paper we report a case of nimodipine overdosage resulting in prolonged hypotension and hypoxemia, which was successfully treated with calcium gluconate.

A life-threatening manifestation of tachycardia-induced cardiomyopathy.

A 74-year-old man was referred to hospital for sustained dyspnea. The patient was normotensive (110/70 mmHg) with clinical evidence of congestive heart failure. ECG showed atrial flutter (145 bpm). Transthoracic echocardiography demonstrated a mildly dilated left ventricle with severe systolic dysfunction and a big irregular mobile mass, a mildly dilated right ventricle with moderate systolic dysfunction and a large mass protruding into the cavity. The patient was treated surgically for high embolic and sudden death risk after coronarography, which showed a single stenosis (70%) of the left anterior descending coronary. Myocardial biopsy demonstrated interstitial and endocardial fibrosis, no inflammatory pattern. After 6 months of follow-up echocardiography was normal.

Features of vulnerable plaques and clinical outcome of UA/NSTEMI: Relationship with matrix metalloproteinase functional polymorphisms.

OBJECTIVE: To assess the association of matrix metalloproteinases (MMP) genetic polymorphism (PM) with plaques vulnerability and clinical outcome of acute vascular events. METHODS: MMP-1 (-1607 G in/del), MMP-3 (-1171 A in/del), and MMP-9 microsatellite ((13-26) CA repeats around -90) PMs have been determined (i) in 204 patients with cerebrovascular disease to assess the association with features of vulnerability in carotid plaques and prevalence of stroke, (ii) in 208 patients with UA/NSTEMI to assess the association with in-hospital clinical outcome. RESULTS: Plaques from carriers of MMP-1 G insertion showed significantly smaller plaques and thicker fibrous cap. In CVD patients carrying such variant, Odds Ratio for previous stroke was 0.27 (95%C.I. 0.13-0.56, P=0.0002) and, in UA/NSTEMI patients, the risk of Major Adverse Cardiac Events (MACE, persistent angina, NSTEMI, and vascular death) was 0.22 (95%C.I. 0.11-0.44, P<0.0001). No variants in MMP-3 PM were associated to differences in either plaque features or clinical outcome. Carriers of MMP-9≥22 repeats in the microsatellite had larger plaques and lipid core. In CVD patients with such variant, Odds Ratio for stroke was 2.2 (95%C.I. 1.1-4.4) and, in UA/NSTEMI patients, MACE risk was 4.1 (95%C.I. 2.3-7.4, P<0.0001). Persistent angina and NSTEMI separately provided comparable results. CONCLUSIONS: Carriers of MMP-1 G insertion show smaller and more stable plaques, as well as better prognosis in acute vascular events, while patients with ≥22 repeats in MMP-9 have larger necrotic core and worse prognosis in UA/NSTEMI.