Research Topics
Genomes and GenesSpecies | Ruth SantacreuSummaryCountry: USA Publications
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Publications
Prognostic value of malondialdehyde serum levels in severe sepsis: a multicenter studyLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, La Laguna, Santa Cruz de Tenerife, Spain
PLoS ONE 8:e53741. 2013..We wished to determine whether malondialdehyde (MDA) serum levels were associated with severity and 30-day mortality in a large series of patients with sepsis...
Ventilator-associated pneumonia with or without toothbrushing: a randomized controlled trialL Lorente
Department of Critical Care, Hospital Universitario de Canarias, Ofra s n La Cuesta, La Laguna, 38320 Santa Cruz de Tenerife, Spain
Eur J Clin Microbiol Infect Dis 31:2621-9. 2012..87, 95 % confidence interval [CI] = 0.469-1.615; p = 0.75). Adding manual toothbrushing to chlorhexidine oral care does not help to prevent VAP in critical care patients on mechanical ventilation...
Rifampicin-miconazole-impregnated catheters save cost in jugular venous sites with tracheostomyL Lorente
Department of Critical Care, Hospital Universitario de Canarias, Ofra s n La Cuesta, La Laguna, 38320, Santa Cruz de Tenerife, Spain
Eur J Clin Microbiol Infect Dis 31:1833-6. 2012..The results of our study may contribute to clinical decision-making and selection of those patients who could benefit from the use of antimicrobial-impregnated catheters...
Survival and mitochondrial function in septic patients according to mitochondrial DNA haplogroupLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, La Laguna 38320, Santa Cruz de Tenerife, Spain
Crit Care 16:R10. 2012..Given that COX catalytic subunits are encoded by mtDNA, the objective of the present study was to explore whether mtDNA population genetic variation could affect COX activity and quantity and favors sepsis survival...
Lower catheter-related bloodstream infection in arterial than in venous femoral catheterL Lorente
Department of Intensive Care, Hospital Universitario de Canarias, 38320, La Laguna, Tenerife
Eur J Clin Microbiol Infect Dis 31:487-90. 2012..The novel finding of our study is that the risk of CRBSI was higher in venous than in arterial femoral catheters. Thus, special approaches to prevent CRBSI might play a more important role in venous than in arterial catheters...
Factors associated with excessive bleeding in cardiopulmonary bypass patients: a nested case-control studyJuan J Jimenez Rivera
Intensive Care Unit, University Hospital of Canary Islands, La Laguna, Spain
J Cardiothorac Surg 2:17. 2007..Less than 50% of patients undergoing re-intervention exhibit surgical sources of bleeding. We studied clinical and genetic factors associated with EB...
Tranexamic acid attenuates inflammatory response in cardiopulmonary bypass surgery through blockade of fibrinolysis: a case control study followed by a randomized double-blind controlled trialJuan J Jimenez
Intensive Care Department, Hospital Universitario de Canarias, Ofra s n La Cuesta, La Laguna, 38320, Spain
Crit Care 11:R117. 2007..Tranexamic acid (TA) reduces fibrinolysis and blood loss after cardiopulmonary bypass (CPB). However, its effects on IR and vasoplegic shock (VS) are not well known and elucidating these effects was the main objective of this study...
Clinical cure of ventilator-associated pneumonia treated with piperacillin/tazobactam administered by continuous or intermittent infusionLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, Ofra s n, La Cuesta, La Laguna 38320, Tenerife, Spain
Int J Antimicrob Agents 33:464-8. 2009....
The management of acute lower respiratory tract infectionL Lorente
Department of Critical Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
Minerva Med 99:459-81. 2008....
The use of rifampicin-miconazole-impregnated catheters reduces the incidence of femoral and jugular catheter-related bacteremiaLeonardo Lorente
Department of Critical Care, Hospital Universitario de Canarias, La Laguna, Santa Cruz de Tenerife, Spain
Clin Infect Dis 47:1171-5. 2008..In previous studies, we have found a higher incidence of central venous catheter-related bacteremia among patients with femoral and central jugular accesses than among patients with other venous accesses...
Catheter-related bacteremia from femoral and central internal jugular venous accessL Lorente
Intensive Care Unit, Hospital Universitario de Canarias, Ofra s n La Cuesta, La Laguna, Santa Cruz de Tenerife, Spain
Eur J Clin Microbiol Infect Dis 27:867-71. 2008..93; 95% confidence interval: 1.03-3.73; P = 0.04). Central internal jugular venous access could be considered a safer route of venous access than femoral access in minimizing the risk of central venous catheter-related bacteremia...
Platelet cytochrome c oxidase activity and quantity in septic patientsLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, La Laguna, Santa Cruz de Tenerife, Spain
Crit Care Med 39:1289-94. 2011..The objective was to evaluate the relationship between cytochrome c oxidase activities and quantities and 6-month survival in a larger series of septic patients using a less invasive method (circulating platelets)...
Influence of tracheostomy on the incidence of central venous catheter-related bacteremiaL Lorente
Intensive Care Unit, Hospital Universitario de Canarias, Ofra s n La Cuesta, La Laguna, 38320 Santa Cruz de Tenerife, Spain
Eur J Clin Microbiol Infect Dis 28:1141-5. 2009..001). Besides, we found a higher incidence of CRB in patients with tracheostomy using the jugular access compared to subclavian access (21.64 vs. 5.11 per 1,000 catheter-days; OR = 4.23; 95% CI = 1.44-infinite; P = 0.0097)...
Higher arterial catheter-related infection rates in femoral than in dorsalis pedis accessL Lorente
Department of Intensive Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
J Hosp Infect 74:365-9. 2010..6; 95% confidence interval: 1.37-infinite; P=0.01). These results suggest that dorsalis pedis arterial access should be used in preference to femoral arterial access in order to reduce the risk of ACRI...
[Femoral venous catheterization. Does it really need to be avoided?]L Lorente
Unidad de Cuidados Intensivos, Hospital Universitario de Canarias, La Laguna, Tenerife, Espana
Med Intensiva 33:442-9. 2009..a decrease in the incidence of CVCBSI, but an increase in the rate of mechanical complications as pneumothorax and/or hemothorax? 2) Couldn't antimicrobial-impregnated CVCs be used to prevent CVCBSI when the femoral venous access is used?..
Lower arterial catheter-related infection in brachial than in femoral accessLeonardo Lorente
Department of Intensive Care, Hospital Universitario de Canarias, Ofra s n, La Laguna, Santa Cruz de Tenerife, Spain
Am J Infect Control 38:e40-2. 2010..08 vs 0 per 1000 catheter-days, respectively; odds ratio, 6.18; 95% confidence interval: 1.11-infinite; P = .02). Thus, arterial brachial access should be used in preference to femoral access...
Influence of tracheostomy on the incidence of catheter-related bloodstream infection in the catheterization of jugular vein by posterior accessL Lorente
Intensive Care Unit, Hospital Universitario de Canarias, Ofra s n La Cuesta, La Laguna, 38320 Santa Cruz de Tenerife, Spain
Eur J Clin Microbiol Infect Dis 30:1049-51. 2011..24 vs 0 episodes of CRBSI per 1,000 catheter-day; odds ratio = 23.92; 95% CI = 1.86-infinite; p = 0.008). Thus, the presence of tracheostomy is a risk factor of CRBSI on the catheterization of jugular vein by posterior access...
Association between serum soluble CD40 ligand levels and mortality in patients with severe sepsisLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, Ofra, S N, La Laguna 38320, Santa Cruz de Tenerife, Spain
Crit Care 15:R97. 2011..Thus, the aim of this study was to determine whether circulating sCD40L levels could be a marker of adverse outcome in a large cohort of patients with severe sepsis...
Lower incidence of catheter-related bloodstream infection in cubital than in femoral artery accessLeonardo Lorente
Department of Intensive Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
Scand J Infect Dis 43:814-7. 2011..However the development of randomized controlled trials is necessary before this conclusion can be definitively established. In addition, it is necessary to consider other potential mechanical complications when decision-making...
Comparison of clinical cure rates in adults with ventilator-associated pneumonia treated with intravenous ceftazidime administered by continuous or intermittent infusion: a retrospective, nonrandomized, open-label, historical chart reviewLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias Ofra s n, La Cuesta, La Laguna 38320, Tenerife, Spain
Clin Ther 29:2433-9. 2007..Beta-lactam antibiotics are reported to exhibit time-dependent bactericidal activity. However, there are limited data on the clinical efficacy of ceftazidime administered by continuous infusion...
Evidence on measures for the prevention of ventilator-associated pneumoniaL Lorente
Intensive Care Unit, Hospital Universitario de Canarias, C Ofra s n, La Laguna, Tenerife, 38320, Spain
Eur Respir J 30:1193-207. 2007..The present review article is useful for identifying evidence-based processes that can be modified to improve patients' safety...
Catheter-related infection in critically ill patientsLeonardo Lorente
Department of Intensive Care, Hospital Universitario de Canarias, Ofra s n La Cuesta, 38320 La Laguna, Santa Cruz de Tenerife, Spain
Intensive Care Med 30:1681-4. 2004..To describe the incidence of the catheter-related local infection (CRLI) and catheter-related bloodstream infection (CRBSI) of central venous catheters (CVCs) and arterial catheters (ACs)...
Accidental catheter removal in critically ill patients: a prospective and observational studyLeonardo Lorente
Staff Intensivist, Department of Intensive Care, Hospital Universitario de Canarias, Tenerife, Spain
Crit Care 8:R229-33. 2004..The objective of the present study was to analyze the incidence of ACR for all types of catheters in the ICU...
Central venous catheter-related infection in a prospective and observational study of 2,595 cathetersLeonardo Lorente
Department of Intensive Care, Hospital Universitario de Canarias, La Laguna, Santa Cruz de Tenerife, Spain
Crit Care 9:R631-5. 2005..The objective of this study was to analyze the incidence of catheter-related local infection (CRLI) and catheter-related bloodstream infection (CRBSI) with central venous catheters (CVCs) according to different access sites...
Meropenem by continuous versus intermittent infusion in ventilator-associated pneumonia due to gram-negative bacilliLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, Tenerife, Spain
Ann Pharmacother 40:219-23. 2006..However, limited data exist on the clinical efficacy of meropenem administered by continuous infusion...
Tracheal suction by closed system without daily change versus open systemLeonardo Lorente
Department of Critical Care, Hospital Universitario de Canarias, Ofra s n, La Cuesta, La Laguna, 38320, Santa Cruz de Tenerife, Spain
Intensive Care Med 32:538-44. 2006..However, is it necessary to change the closed system daily?..
Arterial catheter-related infection of 2,949 cathetersLeonardo Lorente
Department of Intensive Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
Crit Care 10:R83. 2006..The objective of the present study was to analyze the incidence of catheter-related local infection (CRLI) and catheter-related bloodstream infection (CRBSI) of arterial catheters according to different access sites...
Ventilator-associated pneumonia using a heated humidifier or a heat and moisture exchanger: a randomized controlled trial [ISRCTN88724583]Leonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, La Laguna, Tenerife, Spain
Crit Care 10:R116. 2006..The aim of this study was to determine the incidence of VAP associated with HHs or HMEs...
Matrix metalloproteinase-9, -10, and tissue inhibitor of matrix metalloproteinases-1 blood levels as biomarkers of severity and mortality in sepsisLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, Ofra, 38320 Santa Cruz de Tenerife, Spain
Crit Care 13:R158. 2009..The objective of this study was to determine the predictive value of MMP-9, MMP-10, and TIMP-1 on clinical severity and mortality in a large series of patients with severe sepsis...
Internal jugular venous catheter-related bacteremia according to central and posterior accessesLeonardo Lorente
Hospital Universitario de Canarias, Intensive Care Unit, Ofra s n, La Cuesta, La Laguna, 38320 Santa Cruz de Tenerife, Spain
Intensive Care Med 33:1071-5. 2007..Although there are many studies about central venous catheter-related infection, we have not found any analysis of the incidence of internal jugular venous catheter-related bacteremia associated with different accesses...
Microorganisms responsible for intravascular catheter-related bloodstream infection according to the catheter siteLeonardo Lorente
Department of Intensive Care and Research Unit, Hospital Universitario de Canarias, Tenerife, Spain
Crit Care Med 35:2424-7. 2007..We therefore compared the proportion of IVC-RBSI due to Gram-negative bacteria and yeasts according to catheter site...
Influence of an endotracheal tube with polyurethane cuff and subglottic secretion drainage on pneumoniaLeonardo Lorente
Department of Critical Care, Hospital Universitario de Canarias, Ofra s n, La Cuesta, La Laguna 38320, Santa Cruz de Tenerife, Spain
Am J Respir Crit Care Med 176:1079-83. 2007....
Lower associated costs using rifampicin-miconazole‒impregnated catheters compared with standard cathetersLeonardo Lorente
Department of Critical Care, Hospital of the University of Canarias, Santa Cruz de Tenerife, Spain
Am J Infect Control 39:895-7. 2011..001). Our data indicate that the use of rifampicin-miconazole-impregnated catheters can save associated costs...
Ventilator-associated pneumonia using a closed versus an open tracheal suction systemLeonardo Lorente
Department of Critical Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
Crit Care Med 33:115-9. 2005..11 US dollars +/- 2.25 US dollars vs. 2.50 US dollars +/- 1.12 US dollars, p < .001). CONCLUSION: We conclude that in our study, the closed-tracheal suction system did not reduce VAP incidence, even for exogenous pneumonia...
Lower incidence of catheter-related bloodstream infection in subclavian venous access in the presence of tracheostomy than in femoral venous access: prospective observational studyL Lorente
Intensive Care Unit Research Unit of the Hospital Universitario de Canarias, Tenerife, Spain
Clin Microbiol Infect 17:870-2. 2011..In this study, we found lower CRBSI in subclavian venous access in the presence of tracheostomy than in femoral venous access (3.9 vs. 10.1 CRBSI per 1000 catheter-days; odds ratio = 0.39; 95% confidence interval ≤0.001-0.91; p 0.03)...
Periodically changing ventilator circuits is not necessary to prevent ventilator-associated pneumonia when a heat and moisture exchanger is usedLeonardo Lorente
Department of Critical Care, Hospital Universitario de Canarias, La Laguna, Spain
Infect Control Hosp Epidemiol 25:1077-82. 2004..71 vs 1.25). There was no difference in the distribution of microorganisms causing pneumonia. CONCLUSIONS: Circuit change using an HME for humidification does not decrease pneumonia and represents an unnecessary cost...
Bacterial filters in respiratory circuits: an unnecessary cost?Leonardo Lorente
Department of Critical Care, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
Crit Care Med 31:2126-30. 2003..To evaluate the efficacy of bacterial filters (BF) to decrease pneumonia associated with mechanical ventilation (MV)...
Prolonged intubation rates after coronary artery bypass surgery and ICU risk stratification scoreNicolás Serrano
Hospital Universitario de Canarias, Critical Care Department, Universidad de La Laguna, 38320 La Laguna, Tenerife, Spain
Chest 128:595-601. 2005..To determine prolonged intubation rates among patients undergoing coronary artery bypass graft (CABG) surgery, and to evaluate the ability of the Intensive Care Unit Risk Stratification Score (ICURSS) model to predict these events...
[Pandemic influenza A in the ICU: experience in Spain and Latin America. GETGAG/SEMICYUC/(Spanish Working Group on Severe Pandemic Influenza A/SEMICYUC)]A Rodriguez
Unidad de Cuidados Intensivos, Hospital Joan XXIII, CIBER Enfermedades Respiratorias, IISPV, Tarragona, Espana
Med Intensiva 34:87-94. 2010..It has spread very rapidly since the first cases were diagnosed in Mexico with the subsequent spread of the virus throughout the Southern Cone and Europe during the summer season...
New issues and controversies in the prevention of ventilator-associated pneumoniaLeonardo Lorente
Intensive Care Unit, Hospital Universitario de Canarias, La Laguna, Tenerife, Spain
Am J Respir Crit Care Med 182:870-6. 2010..More research is necessary to clarify the role of continuous cuff pressure monitoring, removal of biofilm formation in the endotracheal tubes, and routine saline instillation before tracheal suctioning...
The catheter site influences in the micro-organism responsible of arterial catheter-related infectionLeonardo Lorente
Intensive Care Med 32:1919-20. 2006
The micro-organism responsible for central venous catheter related bloodstream infection depends on catheter siteLeonardo Lorente
Intensive Care Med 32:1449-50. 2006
Microorganisms responsible for femoral catheter-related bloodstream infectionLeonardo Lorente
Crit Care Med 36:657-8. 2008
Equivalence of posterior internal jugular and subclavian accesses in the incidence of central venous catheter related bacteremiaLeonardo Lorente
Intensive Care Med 33:2230-1. 2007
