Davide Nicolotti

Università Vita-Salute San Raffaele, Milano, Lombardy, Italy

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Publications (6)8.49 Total impact

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    ABSTRACT: OBJECTIVE: The aim of this meta-analysis was to investigate the cardioprotective properties of isoflurane versus any comparator in terms of the rate of myocardial infarction and all-cause mortality. DESIGN: Pertinent studies were searched independently in Biomed, Central, PubMed, Embase, and the Cochrane Central Register of clinical trials. The primary endpoint was mortality at the longest follow-up available. SETTING: A hospital. PARTICIPANTS: Randomized controlled trials. INTERVENTION: A meta-analysis of 37 trials. MEASUREMENTS AND MAIN RESULTS: The 37 included trials randomized 3,539 patients in cardiac (16 studies) and in noncardiac surgery (21 studies) with noninhalation comparators in 55% of trials. The overall analysis showed no difference in mortality between the isoflurane and control groups (16/1,602 [1.0%] v 23/1,937 [1.2%], odds ratios (OR) = 0.76 [0.39-1.47], p = 0.4 with 37 studies included) and no difference in the rate of myocardial infarction (3/1,312 [0.2%] v 1/1,532 [0.07%], OR = 2.03 [0.27-15.49], p = 0.5 with 30 studies included). Mortality was reduced in the isoflurane group when only studies with a low risk of bias were included in the analyses (0/540 [0%] v 5/703 [0.7%] in the control arm, OR = 0.13 [0.02-0.76], p = 0.02) with 4 cardiac and 6 noncardiac trials included and 5 noninhalation and 5 inhalation agents as the comparator. A trend was noted when a subanalysis was performed with propofol as a comparator (1/544 [0.2%] v 6/546 [1.1%], p = 0.05, with 16 studies included). CONCLUSIONS: Isoflurane reduced mortality in high-quality studies and showed a trend toward a reduction in mortality when it was compared with propofol. No differences in the rates of overall mortality and myocardial infarction were noted.
    Journal of cardiothoracic and vascular anesthesia 07/2012; · 1.06 Impact Factor
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    ABSTRACT: Recombinant activated factor VII (rFVIIa) is used in various surgical procedures to reduce the incidence of major blood loss and the need for re-exploration. Few clinical trials have investigated rFVIIa in cardiac surgery. The authors performed a meta-analysis focusing on the rate of stroke and surgical re-exploration. Meta-analysis. Hospitals. A total of 470 patients. None. Four investigators independently searched PubMed and conference proceedings including backward snowballing (ie, scanning of reference of retrieved articles and pertinent reviews) and contacted international experts. A total of 470 patients (254 receiving rFVIIa and 216 controls) from 6 clinical trials (2 randomized, 3 propensity matched, and 1 case matched) were included in the analysis. The use of rFVIIa was associated with an increased rate of stroke (12/254 [4.7%] in the rFVIIa group v 2/216 [0.9%] in the control arm, odds ratio [OR] = 3.69 [1.1-12.38], p = 0.03) with a nonsignificant reduction in rate of surgical re-exploration (13% v 42% [OR = 0.27 (0.04-1.9), p = 0.19]). The authors observed a trend toward an increase of overall perioperative thromboembolic events (19/254 [7.5%] in the rFVIIa group v 10/216 [5.6%] in the control arm [OR = 1.84 (0.82-4.09), p = 0.14]). No difference in the rate of death was observed. The administration of rFVIIa in cardiac surgery patients could result in a significant increase of stroke with a trend toward a reduction of the need for surgical re-exploration. The authors do not recommend routine use in cardiac surgery patients. rFVIIa may be considered with caution in patients with refractory life-threatening bleeding.
    Journal of cardiothoracic and vascular anesthesia 05/2011; 25(5):804-10. · 1.06 Impact Factor
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    ABSTRACT: Low cardiac output syndrome and hypotension are dreadful consequences of systolic anterior motion (SAM) after a mitral valve (MV) repair. The management of SAM in the operating room remains controversial. We validate a recently suggested two-step management method and classification of this complication. This was a teaching hospital-based observational study. We validated a novel two-step conservative management method, consisting in intravascular volume expansion and discontinuation of inotropic drugs (step 1), and increasing the afterload by ascending aorta manual compression while administering esmolol e.v. (step 2). We also validate a novel classification of SAM: easy-to-revert (responding to step 1), difficult-to-revert (responding to step 2), or persistent. Fifty patients had an easy-to-revert while 26 had a difficult-to-revert SAM; 4 patients had a persistent condition (promptly diagnosed through our decisional algorithm) and underwent an immediate second pump run to repeat the mitral repair surgery. We confirmed that SAM after a repair of a degenerative MV is common and validated a simple two-step conservative management method that allows to clearly identify those few patients who require immediate surgical revision.
    Annals of Cardiac Anaesthesia 01/2011; 14(2):85-90.
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    ABSTRACT: Good quality clinical research in anesthesiology is now performed all over the world. The aim of this article was to present and analyze the scientific contributions published in the Journal of Cardiothoracic and Vascular Anesthesia and to give a structured view focused on the countries where these studies were performed. Bibliometric analysis. Teaching hospital. None. The authors analyzed the geographic distribution of the authors publishing in cardiac anesthesia. Data were obtained from the Scopus database. All works belonging to document-type articles, reviews, letters, and editorials published over a 10-year period (2000-2009) in the Journal of Cardiothoracic and Vascular Anesthesia (JCVA) were tracked. For each article, the country of origin of the corresponding author was retrieved. JCVA published 1,816 articles from 45 different countries. The United States accounted for 43.8% of the total, followed by India (8.3%), Germany (5.5%), United Kingdom (4.7%), and Italy (4.4%). JCVA has a widespread influence and receives contributions from all over the world. More and more biomedical research is conducted outside North America and Europe, with India leading the group of "rest of the world" countries. The recent development of Asian countries clearly challenges North America and European countries that can no longer ignore the scientific contribution from these parts of the world. With this in mind, some journals such as JCVA are giving voice to these prolific countries, which represents a fundamental forum for these newcomers to the field of cardiac anesthesia.
    Journal of cardiothoracic and vascular anesthesia 12/2010; 24(6):969-73. · 1.06 Impact Factor
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    ABSTRACT: Most-Care (powered by the pressure-recording analytic method [PRAM]; Vytech HealthTM, Padova, Italy) is a minimally invasive cardiac output monitoring. This system already has been studied and validated in cardiac surgery and in children. It already showed a correlation with thermodilution methods in hemodynamically unstable patients. The purpose of this study was to confirm the reliability of cardiac index determinations by Most-Care in unstable patients with atrial fibrillation. A prospective study. A teaching hospital. Forty-nine patients. Simultaneous cardiac index measurements by bolus thermodilution and by PRAM from a standard arterial access (radial and femoral) were obtained. The thermodilution cardiac index was calculated as the mean of 3 separate measurements. Because PRAM is a beat-to-beat monitoring system, the mean cardiac index of 12 consecutive beats was considered for the analysis. Correlations were calculated and differences compared by Bland-Altman analysis. Eight patients were excluded because the signal was altered by the arterial catheter resonance so that the study described the remaining 41 patients. The overall estimates of cardiac index measured by PRAM did not show agreement with the reference cardiac index by thermodilution (mean difference = 0.136 L/min/m(2) [0,43 L/min/m(2)-0.15 L/min/m(2)], with an upper limit of agreement of 1.94 L/min/m(2) and a lower limit of agreement of -1.665 L/min/m(2), respectively). The median (interquartile) value of cardiac index assessed by thermodilution was 2.42 L/min/m(2) (2.21-2.98 L/min/m(2)), and by PRAM it was 2.48 L/min/m(2) (1.80-3.00 L/min/m(2), p = 0.6). The authors concluded that PRAM did not compare well with thermodilution in unstable patients with atrial fibrillation.
    Journal of cardiothoracic and vascular anesthesia 12/2010; 25(3):476-80. · 1.06 Impact Factor
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    BJA British Journal of Anaesthesia 09/2010; 105(3):386-7. · 4.24 Impact Factor