Moral distress, autonomy and nurse-physician collaboration among intensive care unit nurses in Italy.

AIM: To explore the level of moral distress and potential associations between moral distress indices and (1) nurse-physician collaboration, (2) autonomy, (3) professional satisfaction, (4) intention to resign, and (5) workload among Italian intensive care unit nurses. BACKGROUND: Poor nurse-physician collaboration and low autonomy may limit intensive care unit nurses' ability to act on their moral decisions. METHODS: A cross-sectional correlational design with a sample of 566 Italian intensive care unit nurses. RESULTS: The intensity of moral distress was 57.9 ± 15.6 (mean, standard deviation) (scale range: 0-84) and the frequency of occurrence was 28.4 ± 12.3 (scale range: 0-84). The mean score of the severity of moral distress was 88.0 ± 44 (scale range: 0-336). The severity of moral distress was associated with (1) nurse-physician collaboration and dissatisfaction on care decisions (r = -0.215, P < 0.001); and (2) intention to resign (r = 0.244, P < 0.0001). The frequency of occurrence of moral distress was associated with the intention of nurses to resign (r = -0. 209, P < 0.0001). CONCLUSION: Moral distress seems to be associated with the intention to resign, whereas poor nurse-physician collaboration appears to be a pivotal factor accounting for nurses' moral distress. IMPLICATIONS FOR NURSING MANAGEMENT: Enhancement of nurse-physician collaboration and nurses' participation in end-of-life decisions seems to be a managerial task that could lead to the alleviation of nurses' moral distress and their retention in the profession.

Plasma asymmetric dimethylarginine and mortality in patients with acute decompensation of chronic heart failure.

OBJECTIVES: To investigate the prognostic value of circulating levels of asymmetric dimethylarginine (ADMA) in patients with acute decompensation of (New York Heart Association (NYHA) class III/IV) chronic heart failure and reduced left ventricular ejection fraction. DESIGN: Single-centre prospective observational study. SETTING: Tertiary referral centre. PATIENTS: A total of 651 consecutive and eligible hospitalised patients were studied. Patients were divided into four groups according to the quartiles of circulating levels of ADMA upon presentation. MAIN OUTCOME MEASURES: Incidence of in-hospital (or 7-day in the case of prolonged hospitalisation), 31-day and 1-year cardiac mortality were the pre-specified study end points. RESULTS: Cumulative rates of in-hospital, 31-day and 1-year cardiac mortality were 10.6%, 18.7% and 36.4%, respectively. There was a gradual increased risk of in-hospital (p(for trend)=0.011), 31-day (p(for trend)=0.044) and 1-year (p(for trend)<0.001) mortality with increasing ADMA quartiles. After adjustment for possible confounders, patients at the highest ADMA quartile were at significantly higher risk for in-hospital (p=0.042), 31-day (p=0.032) and 1-year (p<0.001) mortality than those in the lowest quartile. CONCLUSIONS: According to the present results, an elevated circulating level of ADMA is a strong independent predictor of short-term and long-term mortality in patients with acute decompensation of NYHA class III/IV chronic heart failure and reduced left ventricular ejection fraction. ADMA levels upon presentation may confer enhanced risk stratification in this setting.

The impact of treatment with omeprazole on the effectiveness of clopidogrel drug therapy during the first year after successful coronary stenting.

BACKGROUND: Because clopidogrel is converted to its active metabolite by P450 isoenzymes, which are also involved in the metabolism of omeprazole, there is concern regarding whether the action of clopidogrel would be reduced in patients also taking omeprazole. OBJECTIVE: To evaluate the impact of omeprazole administration on the effectiveness of clopidogrel drug therapy during the first year following successful coronary stenting (CS). METHODS: A total of 588 consecutive patients who underwent successful CS for stable or unstable coronary artery disease were studied. Patients were classified into those who were treated (group A, n=340) or not treated (group B, n=248) with omeprazole for seven or more consecutive days during the entire observation period. The composite of cardiac death or rehospitalization for nonfatal myocardial infarction during the first year was the prespecified primary study end point. RESULTS: Baseline characteristics, and dual clopidogrel and acetylsalicylic acid drug therapy were well balanced between the study groups. By one year, the primary end point was reached by 58 (9.9%) patients, including 20 (3.4%) who died due to cardiac reasons and 38 (6.5%) who were rehospitalized because of a nonfatal myocardial infarction. Patients in groups A and B, respectively, were at similar risk of the primary composite end point (10% versus 9.7%, hazard ratio 1.1 [95% CI 0.6 to 1.8]; P=0.89). CONCLUSIONS: According to the results of the present study, treatment with omeprazole had no impact on the clinical efficacy of clopidogrel drug therapy during the first year after successful CS.

The impact of right ventricular involvement on the postdischarge long-term mortality in patients with acute inferior ST-segment elevation myocardial infarction.

OBJECTIVES: To investigate the long-term impact of right ventricular myocardial involvement (RVI) after acute inferior ST-segment elevation myocardial infarction (STEMI). METHODS: A total of 1208 consecutive patients, who survived to discharge after hospitalization for acute inferior STEMI, were studied. Patients were divided into those with (n = 459) or without (n = 749) of RVI involvement, defined as ST-segment elevation > or =1 mm in V4R. Cardiac death by 3 years was the primary study end point. RESULTS: By the end of follow-up, 207 (17.1%) patients had died. Patients with RVI were at similar risk for death at 3 years than those without (17.6% vs 16.8%, hazard ratio 1.1, 95% confidence interval 0.8-1.4, P = .79). By multivariate Cox analysis, several variables, but not RVI, were associated with the incidence of 3 years cardiac death. CONCLUSIONS: Right ventricular myocardial involvement does not portend any increased risk for long-term mortality, in patients who survived to discharge after hospitalization for acute inferior STEMI.

Multimarker strategy for the prediction of 31 days cardiac death in patients with acutely decompensated chronic heart failure.

BACKGROUND: To investigate the combined prognostic value of admission serum levels of B-type natriuretic peptide (BNP), cardiac troponin I (cTnI) and high sensitivity C-reactive protein (hs-CRP), in patients hospitalized because of acutely decompensated severe (New York Heart Association class III/IV) low-output chronic heart failure (CHF). METHODS: A total of 577 consecutive patients recruited in the 5 participating centers, were studied. Cardiac mortality by 31 days was the prespecified primary study end point. RESULTS: A total of 102 (17.7%) patients died by 31 days. When the study patients were divided according to the number of elevated study biomarkers, there was a significant gradual increased risk of 31-day cardiac death with increasing in the number of elevated biomarkers (p<0.001). The value of the discriminant C statistic for the Cox regression analysis, increased significantly when each of the study biomarkers was incorporated with the other risk predictors into a Cox regression model, with the highest C statistic value for the Cox regression model that included all the study biomarkers (p<0.001). By multivariate Cox regression analysis, elevated serum levels of BNP (p=0.002), cTnI (p<0.001) and hs-CRP (p=0.02) were independent predictors of the study end point. CONCLUSIONS: In conclusion, in patients hospitalized for acute decompensation of severe (NYHA III/IV) low-output CHF, BNP, cTnI and hs-CRP upon admission offers enhanced early risk stratification. With increasing number of elevated biomarkers, the risk of 31-day cardiac death increases gradually that implies treatment intensification, and closer follow-up.