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Villarreal E, Ramírez P, Gordon M, Vicent C, Gómez MD, de Hevia L, Vacacela K, Alonso R, Vila J. Anti-endotoxin antibodies consumption in cardiovascular collapse: Pathophysiological concerns. Med Intensiva 2023; 47:338-344. [PMID: 36344341 DOI: 10.1016/j.medine.2022.04.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/26/2022] [Indexed: 05/29/2023]
Abstract
OBJECTIVE Abnormal endotoxin activity in critically ill patients has been described in the absence of Gram-negative bacterial (GNB) infection. As disease severity seems to be crucial in the detection of this phenomenon, we decided to assess and compare endotoxin exposure in those patients representing the critical situation: septic shock and cardiogenic shock. DESIGN Prospective, observational non intervention study. SETTING Critical Care Department of a University tertiary hospital. PATIENTS Cardiogenic shock (CS) and septic shock (SS) patients. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Follow-up was performed for the first three days. Inflammatory biomarkers (C-reactive protein, procalcitonin and interleuquin-6) and IgM antiendotoxin-core antibodies titter (IgM EndoCAb) were daily analyzed. Sixty-two patients were included; twenty-five patients with SS and thirty-seven with CS. Microbial etiology was established in 23 SS patients (92%) and GNB were present in 13 cases (52%). Although infection was suspected and even treated in 30 CS patients (81%), any episode could be finally confirmed. EndoCAb consumption was more intense in SS patients, although twenty-two CS patients (59.5%) had IgM anti-endotoxin value below 10th percentile range for healthy people. No statistically significant difference in endotoxin exposure was detected between Gram-positive and Gram-negative infections in the SS group. Endotoxin exposure ability to distinguish between SS and CS was moderate (AUC 0.7892, 95% IC: 0.6564-0.9218). CONCLUSIONS In the severely ill patient some mechanisms take place allowing endotoxin incursion and therefore blurring the limits of diseases pathophysiology. Our work representatively shows how exposure to endotoxin was not fully capable of distinguishing between CS and SS.
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Affiliation(s)
- E Villarreal
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - P Ramírez
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain.
| | - M Gordon
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - C Vicent
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - M D Gómez
- Microbiology Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - L de Hevia
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - K Vacacela
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - R Alonso
- Laboratory Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - J Vila
- Department of Microbiology, Hospital Clinic, IDIBAPS, School of Medicine, University of Barcelona, Barcelona, Spain
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Ramírez P, Gordón M, Martín-Cerezuela M, Villarreal E, Sancho E, Padrós M, Frasquet J, Leyva G, Molina I, Barrios M, Gimeno S, Castellanos Á. Acute respiratory distress syndrome due to COVID-19. Clinical and prognostic features from a medical Critical Care Unit in Valencia, Spain. Med Intensiva 2021; 45:27-34. [PMID: 38620897 PMCID: PMC7836701 DOI: 10.1016/j.medin.2020.06.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/08/2020] [Accepted: 06/12/2020] [Indexed: 02/07/2023]
Abstract
Objective Information from critically ill coronavirus disease 2019 (COVID-19) patients is limited and in many cases coming from health systems approaches different from the national public systems existing in most countries in Europe. Besides, patient follow-up remains incomplete in many publications. Our aim is to characterize acute respiratory distress syndrome (ARDS) patients admitted to a medical critical care unit (MCCU) in a referral hospital in Spain. Design Retrospective case series of consecutive ARDS COVID-19 patients admitted and treated in our MCCU. Setting 36-bed MCCU in referral tertiary hospital. Patients and participants SARS-CoV-2 infection confirmed by real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay of nasal/pharyngeal swabs. Interventions None. Main variables of interest Demographic and clinical data were collected, including data on clinical management, respiratory failure, and patient mortality. Results Forty-four ARDS COVID-19 patients were included in the study. Median age was 61.50 (53.25 - 67) years and most of the patients were male (72.7%). Hypertension and dyslipidemia were the most frequent co-morbidities (52.3 and 36.4% respectively). Steroids (1mg/Kg/day) and tocilizumab were administered in almost all patients (95.5%). 77.3% of the patients needed invasive mechanical ventilation for a median of 16 days [11-28]. Prone position ventilation was performed in 33 patients (97%) for a median of 3 sessions [2-5] per patient. Nosocomial infection was diagnosed in 13 patients (29.5%). Tracheostomy was performed in ten patients (29.4%). At study closing all patients had been discharged from the CCU and only two (4.5%) remained in hospital ward. MCCU length of stay was 18 days [10-27]. Mortality at study closing was 20.5% (n 9); 26.5% among ventilated patients. Conclusions The seven-week period in which our MCCU was exclusively dedicated to COVID-19 patients has been challenging. Despite the severity of the patients and the high need for invasive mechanical ventilation, mortality was 20.5%.
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Affiliation(s)
- P Ramírez
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - M Gordón
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - M Martín-Cerezuela
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - E Villarreal
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - E Sancho
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - M Padrós
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - J Frasquet
- Microbiology Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - G Leyva
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - I Molina
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - M Barrios
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - S Gimeno
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Á Castellanos
- Critical care department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
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Ruiz J, Ramirez P, Villarreal E, Gordon M, Sánchez MÁ, Martín M, Castellanos-Ortega Á. Effect of pharmacokinetic/pharmacodynamic ratio on tigecycline clinical response and toxicity in critically ill patients with multidrug-resistant Gram-negative infections. SAGE Open Med 2020; 8:2050312120958897. [PMID: 32999720 PMCID: PMC7506777 DOI: 10.1177/2050312120958897] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 08/25/2020] [Indexed: 11/29/2022] Open
Abstract
Introduction: The information about the pharmacokinetics and optimal dose of tigecycline in
critically ill patients with severe underlying diseases is limited and
controversial. In this study, we evaluate the pharmacokinetic parameters of
tigecycline in critically ill patients with multidrug-resistant
Gram-negative infection and explore the association between the
pharmacokinetic/pharmacodynamic ratio and treatment response. Methods: A prospective study was designed including critically ill patients treated
with tigecycline for multidrug-resistant Gram-negative infections. Blood
samples were collected at day 3–5 of treatment, and pharmacokinetics
parameters were evaluated using NONMEM® software. Relationship
between area under the free concentration–time curve and minimum inhibitory
concentration ratio (fAUC/MIC) and treatment failure was evaluated.
Association between tigecycline fAUC and hepatobiliary toxicity was also
investigated. Results: Twenty-five critically ill patients were included in the study. In the
pharmacokinetic model, weight and total bilirubin level were found to be
significant predictors of tigecycline clearance. Fifteen (60.0%) patients
achieved an fAUC/MIC ratio >4.5, seven (28.0%) an fAUC/MIC > 6.96 and
only three (12.0%) an fAUC/MIC > 17.9. No differences in fAUC/MIC ratio
were obtained between those patients with and without clinical failure (5.28
(IC95%: 2.57–7.94) vs 8.71 (3.57–13.84)). fAUC values were higher in those
patients who suffered hepatobiliary disorders (7.63 (3.93–11.34) vs 17.63
(7.85–26.28) mg/L/h). Conclusion: An important percentage of critically ill patients with multidrug-resistant
Gram-negative infection treated with tigecycline do not achieve an
appropriate pharmacokinetic/pharmacodynamic value. Tigecycline fAUC seems to
be associated with hepatobiliary disorders in this study population. The
effect of fAUC/MIC ratio on clinical response remains unclear.
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Affiliation(s)
- Jesus Ruiz
- Intensive Care Unit, IIS La Fe, Hospital Universitario y Politecnico de La Fe, Valencia, Spain
| | - Paula Ramirez
- Intensive Care Unit, Hospital Universitario y Politecnico de La Fe, Valencia, Spain
| | - Esther Villarreal
- Intensive Care Unit, Hospital Universitario y Politecnico de La Fe, Valencia, Spain
| | - Mónica Gordon
- Intensive Care Unit, Hospital Universitario y Politecnico de La Fe, Valencia, Spain
| | | | - María Martín
- Pharmacy Department, IIS La Fe, Hospital Universitario y Politecnico de La Fe, Valencia, Spain
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Ruiz J, Ferrada A, Salavert M, Gordon M, Villarreal E, Castellanos-Ortega Á, Ramirez P. Ceftolozane/Tazobactam Dosing Requirements Against Pseudomonas aeruginosa Bacteremia. Dose Response 2020; 18:1559325819885790. [PMID: 32063809 PMCID: PMC6990616 DOI: 10.1177/1559325819885790] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 10/07/2019] [Accepted: 10/08/2019] [Indexed: 01/28/2023] Open
Abstract
Objectives To assess the probability of reaching adequate pharmacokinetic/pharmacodynamics values for ceftolozane/tazobactam at different doses and degrees of renal functions in patients with Pseudomonas aeruginosa bacteremia. Methods Six dosing regimens were evaluated: 0.5/0.25 g, 1/0.5 g, and 2/1 g every 8 hours given as 1 hour or 3 hours infusions. Pharmacokinetic data were obtained from the literature. Susceptibility data to ceftolozane were collected from patients with P aeruginosa infection treated with ceftolozane-tazobactam. Probability of reaching a fraction of time (fT) >40% minimum inhibitory concentration (MIC) and fT >100%MIC value for ceftolozane at 3 different renal clearance values was evaluated. For tazobactam, the probability of reaching an fT >40% and >70% for 3 limit values was calculated. Results Thirty-seven strains were included. For ceftolozane, the probability of reaching a fT >40%MIC was greater than 90% for any degree of renal function. The probability of reaching a fT >100%MIC for 1 g dose infused over 1 hour and 3 hours was 82.2% and 86.4% for a creatinine clearance (ClCr) >90 mL/min. Using a 2 g dose, the probability was greater than 90% for both infusions rates. For tazobactam, the probability of reaching a value of fT >50% of the limit concentrations was greater than 90% for a ClCr of 70 mL/min. In the case of a ClCr >90 mL/min and limit concentration values ≥ 0.25 mg/mL, only extended infusions showed a probability >90%. Conclusions and Relevance The standard doses of ceftolozane/tazobactam achieve an adequate fT >40%MIC value. However, doses of 2 g in extended infusion is necessary to reach a value of fT >100%MIC, especially in patients with an increased renal clearance and high levels of beta-lactamases expression.
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Affiliation(s)
- Jesus Ruiz
- Intensive Care Unit, IIS La Fe. Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Alejandra Ferrada
- Pharmacy Department, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Miguel Salavert
- Infectious Disease Department, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Mónica Gordon
- Intensive Care Unit, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Esther Villarreal
- Intensive Care Unit, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | | | - Paula Ramirez
- Intensive Care Unit, Hospital Universitari i Politècnic La Fe, Valencia, Spain
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Ruiz J, Sanjuan E, Amaro C, Gordon M, Villarreal E, Castellanos-Ortega Á, Ramirez P. In vitro study of antimicrobial activity on Klebsiella Pneumoniae biofilms in endotracheal tubes. J Chemother 2019; 31:202-208. [PMID: 30990368 DOI: 10.1080/1120009x.2019.1601801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Effective treatment approaches for biofilms in endotracheal tubes (ETTs) are lacking. In this study, we evaluated the in vitro effects of five antimicrobials against biofilms formed by Klebsiella pneumoniae in ETTs. K. pneumoniae was added to minimal mucin medium prior to inoculation in microtiter plates containing ETT fragments. Biofilm susceptibility was assessed by crystal violet staining. At 24 h, the antimicrobials significantly reduced biofilm formation. At 48 h, all of the antimicrobial agents exhibited significant reductions in biofilm formation, even at concentrations above the minimum inhibitory concentration (MIC). Tigecycline and fosfomycin showed the greatest inhibition capacity, with good activity at concentrations twofold greater than the MIC. K. pneumoniae exhibited excellent biofilm formation ability, with formation in the first 24 h and significantly reduced antimicrobial activity. These results contribute to the establishment of new antibiotic breakpoints for the adequate management of infections associated with biofilm formation. Abbreviations ETT Endotracheal tube MIC Minimum inhibitory concentration MBIC Minimum biofilm inhibitory concentration OD Optical density PBS Phosphate-buffered saline VAP Ventilator-associated pneumonia.
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Affiliation(s)
- Jesus Ruiz
- a Intensive Care Unit, Hospital Universitario y Politécnico La Fe , Valencia , Spain
| | - Eva Sanjuan
- b ERI Biotecmed , University of Valencia , Valencia , Spain
| | - Carmen Amaro
- b ERI Biotecmed , University of Valencia , Valencia , Spain
| | - Monica Gordon
- a Intensive Care Unit, Hospital Universitario y Politécnico La Fe , Valencia , Spain
| | - Esther Villarreal
- a Intensive Care Unit, Hospital Universitario y Politécnico La Fe , Valencia , Spain
| | | | - Paula Ramirez
- a Intensive Care Unit, Hospital Universitario y Politécnico La Fe , Valencia , Spain
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Ruiz J, Gordon M, Villarreal E, Peruccioni M, Marqués MR, Poveda-Andrés JL, Castellanos-Ortega Á, Ramirez P. Impact of voriconazole plasma concentrations on treatment response in critically ill patients. J Clin Pharm Ther 2019; 44:572-578. [PMID: 30851209 DOI: 10.1111/jcpt.12817] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 01/13/2019] [Accepted: 01/18/2019] [Indexed: 12/21/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Several authors have demonstrated the relationship between voriconazole concentrations and the risk of therapeutic failure and adverse events However, the information about voriconazole concentrations in the critically ill patient is scarce. The aim of this study was to analyse the plasma concentrations and pharmacokinetic behaviour of voriconazole in critically ill patients and their association with the treatment response and development of toxicity. METHODS A prospective, observational study was conducted. Patients admitted to an intensive care unit and on treatment with intravenous voriconazole were included. Plasma concentrations were measured between days 4 and 7 from the start of the treatment. The pharmacokinetic analysis was performed using the NONMEM® software. A regression model was used to evaluate the variables associated with the values outside the therapeutic range, as well as the relationship between the plasma concentrations and the treatment response and the development of hepatotoxicity. RESULTS AND DISCUSSION A total of 33 patients were included. Plasma concentrations outside the therapeutic range (1-5.5 mg/L) were observed in 15 patients, being above the established range in 9 (27.3%) cases, and below it in 6 (18.2%) cases. The presence of a bilirubin value of >1.5 mg/dL and a C-reactive protein >100 mg/dL was associated with supra-therapeutic concentrations. Voriconazole concentrations greater than 5.5 mg/dL were associated with the development of hepatotoxicity. WHAT IS NEW AND CONCLUSIONS There is a wide variation in voriconazole concentrations in critically ill patients, being associated with a high frequency of adverse events. Close monitoring of these values is required in order to decrease the risk of therapeutic failure and toxicity.
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Affiliation(s)
- Jesus Ruiz
- Intensive Care Unit, IIS La Fe. Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Mónica Gordon
- Intensive Care Unit, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Esther Villarreal
- Intensive Care Unit, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Marcela Peruccioni
- Intensive Care Unit, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | | | | | | | - Paula Ramirez
- Intensive Care Unit, Hospital Universitari i Politècnic La Fe, Valencia, Spain
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Ruiz J, Gordon M, Villarreal E, Frasquet J, Sánchez MÁ, Martín M, Castellanos Á, Ramirez P. Influence of antibiotic pressure on multi-drug resistant Klebsiella pneumoniae colonisation in critically ill patients. Antimicrob Resist Infect Control 2019; 8:38. [PMID: 30809381 PMCID: PMC6375121 DOI: 10.1186/s13756-019-0484-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 01/31/2019] [Indexed: 12/23/2022] Open
Abstract
Background The aim of this study is to evaluate the risk factors for colonisation by multidrug resistant (MDR) K. pneumoniae in a critical care unit and the relationship between colonisation and the antibiotic pressure exerted by the antimicrobial treatments received by patients. Methods A prospective observational was designed. Patients admitted for more than 48 h to an intensive care unit were included. Samples for surveillance cultures were obtained from all the patients upon admission and once a week. The association between risk factors and colonisation by MDR K. pneumoniae was determined by logistic regression. A Cox regression model was used to evaluate the effect of the use of antimicrobials on the colonisation rate. An ARMIA model was used to investigate the association between the incidence of colonisation by MDR strains and the global consumption of antimicrobials in the unit. Results One thousand seven hundred twenty-five patients were included, from which 308 (17.9%) were positive for MDR K. pneumoniae. In the multivariate analysis, hospitalisation for longer than 7 days together with respiratory infection and administration of any antibiotic was associated with increased MR K. pneumoniae colonisation. Patients who received antibiotics for more than 48 h were colonised earlier than patients who did not receive antibiotic treatment [HR: 2.16 (95%CI:1.55–3.03)]. The ARIMA model found a significant association between the monthly colonisation rate for MR K. pneumoniae and the consumption of cephalosporins and carbapenems in the previous month. Conclusion Individual antibiotic administration and the global antibiotic pressure of cephalosporins and carbapenems are associated to an increased colonisation by MDR K. pneumoniae strains.
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Affiliation(s)
- Jesus Ruiz
- 1Intensive Care Unit, IIS La FE, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Monica Gordon
- 1Intensive Care Unit, IIS La FE, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Esther Villarreal
- 1Intensive Care Unit, IIS La FE, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Juan Frasquet
- 2Microbiology Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | | | - María Martín
- 1Intensive Care Unit, IIS La FE, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Álvaro Castellanos
- 3Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Paula Ramirez
- 3Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
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Ruiz-Ramos J, Ramírez P, Broch MJ, Gordon M, Villarreal E, Pinos A, Sosa M, Castellanos-Ortega Á. Vasopressin antagonist efficacy and safety in volume-overloaded critically ill patients: a new therapeutic alternative. Eur J Hosp Pharm 2018; 27:157-161. [PMID: 32419936 DOI: 10.1136/ejhpharm-2018-001664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 09/26/2018] [Accepted: 10/04/2018] [Indexed: 11/04/2022] Open
Abstract
Objectives To assess tolvaptan's efficacy and safety in critical care patients with volume overload. Methods Prospective observational study. Twenty-eight patients in the recovery phase from multiple organ failure and with volume overload refractory to conventional therapy treated with tolvaptan were included. Results Patients received an initial daily dose of 3.75 (n=1), 7.5 (n=8) and 15 (n=19) mg of tolvaptan. Median treatment duration was 2 days (range: 1 to 12). All patients presented an increase in 24 hours diuresis after the first dose (median increase from baseline (IQR)=1114 (285-1943) mL), with a median net daily fluid loss of 1007 mL (456-2380) mL after 24 hours. High diuretic efficacy (daily fluid loss higher than 0.5 L with tolvaptan first dose) was detected in 18 patients (64.3%). Initial hyponatraemia was present in 16 (57.1%) patients, while overly rapid correction with tolvaptan treatment occurred in two patients without clinical consequences. Two patients presented hypophosphataemia after treatment. Conclusion Tolvaptan is an effective therapeutic option in critically ill patients with volume overload refractory to conventional diuretics. Further studies are required to evaluate its safety profile and its effect on short-term outcomes and mortality.
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Affiliation(s)
- Jesús Ruiz-Ramos
- Pharmacy Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Paula Ramírez
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - María Jesús Broch
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Mónica Gordon
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Esther Villarreal
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Armando Pinos
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Manuel Sosa
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
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Ruiz J, Ramirez P, Company MJ, Gordon M, Villarreal E, Concha P, Aroca M, Frasquet J, Remedios-Marqués M, Castellanos-Ortega Á. Impact of amikacin pharmacokinetic/pharmacodynamic index on treatment response in critically ill patients. J Glob Antimicrob Resist 2018; 12:90-95. [DOI: 10.1016/j.jgar.2017.09.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 07/20/2017] [Accepted: 09/28/2017] [Indexed: 11/30/2022] Open
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Ruiz-Ramos J, Villarreal E, Gordon M, Martin-Cerezula M, Broch MJ, Remedios Marqués M, Poveda JL, Castellanos-Ortega Á, Ramírez P. Implication of Haemodiafiltration Flow Rate on Amikacin Pharmacokinetic Parameters in Critically Ill Patients. Blood Purif 2017; 45:88-94. [PMID: 29232669 DOI: 10.1159/000478969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 06/25/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND To analyse the effect of haemodiafiltration (CVVHDF) flow rate on amikacin pharmacokinetics and blood concentrations. METHODS Prospective observational study. Patients receiving CVVHDF and amikacin treatment were included. Pharmacokinetic parameters were calculated using Bayesian analysis. Spearman correlation test was used in order to assess the influence of CVVHDF flux on amikacin minimum concentration (Cmin) and plasma clearance. RESULTS Thirty patients undergoing CVVHDF procedures were included. The treatment with amikacin started at an initial mean dose of 12.4 (4.1) mg/kg/day. An association between the flow rate and Cmin value (r = 0.261; p = 0.161) and plasma clearance was found (r = 0.268; p = 0.152). Four patients (13.3%) were not able to achieve peak concentration over MIC value higher than 8. In 4 patients, amikacin had to be discontinued due to a high Cmin value. CONCLUSIONS Amikacin clearance in patients with CVVHDF is affected by the flow rate used. Therefore, CVVHDF dose should be taken into account when dosing amikacin.
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Affiliation(s)
- Jesús Ruiz-Ramos
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - Esther Villarreal
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - Mónica Gordon
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - María Martin-Cerezula
- Department of Pharmacy, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - Maria Jesús Broch
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - María Remedios Marqués
- Department of Pharmacy, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - Jose Luis Poveda
- Department of Pharmacy, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - Álvaro Castellanos-Ortega
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
| | - Paula Ramírez
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Avenida Fernando Abríl Martorell, Valencia, Spain
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Ruiz J, Ramirez P, Villarreal E, Gordon M, Saez I, Rodríguez A, Castañeda MJ, Castellanos-Ortega Á. Daily bathing strategies and cross-transmission of multidrug-resistant organisms: Impact of chlorhexidine-impregnated wipes in a multidrug-resistant gram-negative bacteria endemic intensive care unit. Am J Infect Control 2017; 45:1069-1073. [PMID: 28803661 DOI: 10.1016/j.ajic.2017.06.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 06/25/2017] [Accepted: 06/26/2017] [Indexed: 01/28/2023]
Abstract
BACKGROUND Health-care associated infections are a major cause of morbidity and mortality in critical care units. The aim of this study is to evaluate the effectiveness of chlorhexidine gluconate (CHG)-impregnated wipes in the daily bathing of patients in an intensive care unit (ICU) to prevent cross-transmission and colonization by multidrug-resistant organisms (MDROs) METHODS: Prospective cohort study with an intervention of 11 months. The intervention consisted of using CHG-impregnated wipes for the daily bathing of patients on mechanical ventilation or colonized by MDROs. Monthly trends in the number of patients colonized by MDROs and the incidence of nosocomial infections were evaluated. RESULTS A total of 1,675 patients were admitted to the unit during the intervention period, and 430 (25.7%) were bathed with chlorhexidine wipes. A significant decrease was observed in the incidence of colonization by MDROs over the months (β = -0.209; r2 = 0.549; P = .027), and in the number of patients colonized compared with the equivalent period of the previous year (22.0% vs 18.4%; P = .01). No significant decrease was observed in the incidence of nosocomial infection between the two periods (4.11% vs 4.57%; P = .355). No dermatologic problems were observed in the treated patients. CONCLUSIONS The use of CHG-impregnated wipes reduces cross-transmission and colonization by MDROs in the ICUs in an endemic situation because of multidrug-resistant Enterobacteriaceae.
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Affiliation(s)
- Jesus Ruiz
- Intensive Care Unit, Instituto de Investigación Sanitaria La Fe, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Paula Ramirez
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain.
| | - Esther Villarreal
- Intensive Care Unit, Instituto de Investigación Sanitaria La Fe, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Monica Gordon
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Inmaculada Saez
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Alfonso Rodríguez
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
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Ruiz J, Ramirez P, Gordon M, Villarreal E, Frasquet J, Poveda-Andres JL, Salavert-Lletí M, Catellanos A. Antimicrobial stewardship programme in critical care medicine: A prospective interventional study. Med Intensiva 2017; 42:266-273. [PMID: 28882325 DOI: 10.1016/j.medin.2017.07.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 07/06/2017] [Accepted: 07/14/2017] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Hospital antimicrobial stewardship programmes have achieved savings and a more rational use of antimicrobial treatments in general wards. The purpose of this report is to evaluate the experience of an antimicrobial stewardship programme in an intensive care unit (ICU). DESIGN Prospective interventional, before-and-after study. SCOPE 24-bed medical ICU in a tertiary hospital. INTERVENTION Prospective audit and feedback antimicrobial stewardship programme. ENDPOINTS Antimicrobial consumption, antimicrobial related costs, multi-drug resistant microorganisms (MDRM) prevalence, nosocomial infections incidence, ICU length of stay, and ICU mortality rates were compared before and after one-year intervention. RESULTS A total of 218 antimicrobial episodes of 182 patients were evaluated in 61 team meetings. Antimicrobial stewardship suggestions were accepted in 91.5% of the cases. Total antimicrobial DDD/100 patient-days consumption was reduced from 380.6 to 295.2 (-22.4%; p=0.037). Antimicrobial stewardship programme was associated with a significant decrease in the prescription of penicillins plus b-lactamase inhibitors, linezolid, cephalosporins, and aminoglycosides. Overall antimicrobial spending was reduced by €119,636. MDRM isolation and nosocomial infections per 100 patient-days did not change after the intervention period. No changes in length of stay or mortality rate were observed. CONCLUSIONS An ICU antimicrobial stewardship programme significantly reduced antimicrobial use without affecting inpatient mortality and length of stay. Our results further support the implementation of an antimicrobial stewardship programme in critical care units.
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Affiliation(s)
- J Ruiz
- Intensive Care Unit, Hospital Universitario y Politecnico La Fe, Valencia, Spain
| | - P Ramirez
- Intensive Care Unit, Hospital Universitario y Politecnico La Fe, Valencia, Spain.
| | - M Gordon
- Intensive Care Unit, Hospital Universitario y Politecnico La Fe, Valencia, Spain
| | - E Villarreal
- Intensive Care Unit, Hospital Universitario y Politecnico La Fe, Valencia, Spain
| | - J Frasquet
- Microbiology Department, Hospital Universitario y Politecnico La Fe, Valencia, Spain
| | - J L Poveda-Andres
- Pharmacy Department, Hospital Universitario y Politecnico La Fe, Valencia, Spain
| | - M Salavert-Lletí
- Infectious Disease Department, Hospital Universitario y Politecnico La Fe, Valencia, Spain
| | - A Catellanos
- Intensive Care Unit, Hospital Universitario y Politecnico La Fe, Valencia, Spain
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Ruiz J, Ramirez P, Villarreal E, Gordon M, Cuesta S, Piñol M, Frasquet J, Castellanos Á. Silver-embedded screens in the intensive care unit. A new tool to control multi-drug resistant bacterial cross-transmission. Eur J Clin Microbiol Infect Dis 2017; 36:1505-1509. [PMID: 28321578 DOI: 10.1007/s10096-017-2959-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 03/03/2017] [Indexed: 10/19/2022]
Abstract
The purpose of this study was to assess the effectiveness of silver-embedded surfaces (BactiBlock®) to prevent surface colonization by multi-resistant bacteria (MRB) and to reduce the incidence of MRB colonization and infection in patients admitted to an intensive care unit (ICU). A 6-month prospective observational study in a 24-bed mixed ICU divided into two identical subunits (12 beds each) was designed. Seven solid mobile screens were placed in one of the subunits while in the other cloth screens remained. Solid screens were constructed with high-density polyethylene embedded in Bactiblock®. To evaluate the effectiveness of screens coated with Bactiblock®, number of MRB isolates on screens were compared for 6 months. Likewise, numbers of new patients and ICU-stays with MRB colonization in the two subunits were compared. One hundred forty screen samples were collected in 10-point prevalent days. MRB were detected on 28 (20.0%) samples. Over the 70 samples taken on cloth folding screens, MRB were detected in 25 (35.7%), while only 3 (4.3%) of the 70 samples taken on Bactiblock® screens were positive for MRB (p < 0.001). The unit with Bactiblock® screens presented fewer number of ICU stays with MRB colonization (27.8% vs 47.1%; p < 0.001). No significant differences were found in the global incidence of MRB nosocomial infection. The presence of Bactiblock® embedded in solid folding screens avoided MRB surface colonization and reduced MRB transmission to patients admitted to critical care units, proving to be an useful tool in the control of MRB.
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Affiliation(s)
- J Ruiz
- Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - P Ramirez
- Hospital Universitario y Politécnico la Fe, Valencia, Spain.
| | - E Villarreal
- Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - M Gordon
- Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - S Cuesta
- Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - M Piñol
- Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - J Frasquet
- Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Á Castellanos
- Hospital Universitario y Politécnico la Fe, Valencia, Spain
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Ruiz J, Favieres C, Broch MJ, Villarreal E, Gordon M, Quinzá A, Castellanos Ortega Á, Ramirez P. Individualised antimicrobial dosing in critically ill patients undergoing continuous renal replacement therapy: focus on total drug clearance. Eur J Hosp Pharm 2017; 25:123-126. [PMID: 31157005 DOI: 10.1136/ejhpharm-2016-001114] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2016] [Revised: 12/16/2016] [Accepted: 12/20/2016] [Indexed: 11/03/2022] Open
Abstract
Background Continuous renal replacement therapy (CRRT) is common practice in critical care patients with acute renal failure. Objectives To evaluate the adequacy of antimicrobial doses calculated based on the total drug clearance and dose recommended by different guides in critically ill patients undergoing CRRT. Methods Retrospective observational study. Patients admitted to a critical care unit during May 2014 to May 2016 and subjected to CRRT were included. The recommended dose was established as the product of the usual dose of the drug by total drug clearance. Results 177 antimicrobial agents, used in 64 patients were analysed; 45 (25.4%) antimicrobials were given in an insufficient dose (<20%) according to the theoretical calculation. Following the recommendations in the revised guidelines, between 10% and 20% of antimicrobials were given in insufficient doses. A higher success rate of treatment in those patients not receiving a low drug dosage was seen (35.2% vs 24.0%). Conclusions There is a great disparity between the antimicrobial dose prescribed, recommended and calculated based on drug clearance in critically ill patients undergoing CRRT.
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Affiliation(s)
- Jesus Ruiz
- Intensive Care Unit, Instituto de Investigación Sanitaria La Fe, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Cassandra Favieres
- Pharmacy Depatment, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Maria Jesús Broch
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Esther Villarreal
- Intensive Care Unit, Instituto de Investigación Sanitaria La Fe, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Monica Gordon
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Adrián Quinzá
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | | | - Paula Ramirez
- Intensive Care Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
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Villarreal E, Jannone R, Castellanos A. Acute coronary syndrome due to a giant right coronary artery aneurysm. Med Intensiva 2016; 42:e6. [PMID: 27773494 DOI: 10.1016/j.medin.2016.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 09/07/2016] [Accepted: 09/13/2016] [Indexed: 10/20/2022]
Affiliation(s)
- E Villarreal
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España.
| | - R Jannone
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - A Castellanos
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
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Sivakumar S, Taccone FS, Desai KA, Lazaridis C, Skarzynski M, Sekhon M, Henderson W, Griesdale D, Chapple L, Deane A, Williams L, Strickland R, Lange K, Heyland D, Chapman M, Rowland MJ, Garry P, Westbrook J, Corkill R, Antoniades CA, Pattinson KT, Fatania G, Strong AJ, Myers RB, Lazaridis C, Jermaine CM, Robertson CS, Rusin CG, Hofmeijer J, Sondag L, Tjepkema-Cloostermans MC, Beishuizen A, Bosch FH, van Putten MJAM, Carteron L, Patet C, Solari D, Oddo M, Ali MA, Dias C, Almeida R, Vaz-Ferreira A, Silva J, Monteiro E, Cerejo A, Rocha AP, Elsayed AA, Abougabal AM, Beshey BN, Alzahaby KM, Pozzebon S, Ortiz AB, Cristallini S, Lheureux O, Brasseur A, Vincent JL, Creteur J, Taccone FS, Hravnak M, Yousef K, Chang Y, Crago E, Friedlander RM, Abdelmonem SA, Tahon SA, Helmy TA, Meligy HS, Puig F, Dunn-Siegrist I, Pugin J, Gupta S, Govil D, Srinivasan S, Patel SJ, N JK, Gupta A, Tomar DS, Shafi M, Harne R, Arora DP, Talwar N, Mazumdar S, Papakrivou EE, Makris D, Manoulakas E, Tsolaki B, Karadodas B, Zakynthinos E, Garcia IP, Martin AD, Encinares VS, Ibañez MP, Montero JG, Labrador G, Cangueiro TC, Poulose V, Koh J, Kam JW, Yeter H, Stepinska J, Pérez AG, Ordoñez PF, Giribet A, Cuervo MAA, Cuervo RA, Esteban MAR, Fraile LI, Mittelbrum CP, Albaiceta GM, Kara A, Koeze J, Keus F, Dieperink W, van der Horst ICC, van Meurs M, Zijlstra JG, Roberts S, Caballero CH, Isgro G, Hall D, Aktepe O, Beitland S, Trøseid AMS, Brusletto BS, Waldum-Grevbo BE, Berg JP, Sunde K, Huertas DG, Manzano F, Quintana MMJ, Osuna A, Topeli A, Santiago-Ruiz F, Rodríguez-Mejías C, Wangensteen R, Jamaati HR, Masjedi M, Zand F, Hashemian SMR, Sabetian G, Abbasi G, Khaloo V, Tsolakoglou I, Tabei SH, Kafilzadeh A, Bakhodaei HH, Diaz JA, Silva R, Garcia DJ, Luis E, Gomez MN, Soriano R, Gonzalez PL, Intas G, Ibrahim IA, Rafik MM, Al-Ansary AM, Algendi MA, Ali AA, Fuhrmann V, Roedl K, Horvatits T, Drolz A, Rutter K, Stergiannis P, Benten D, Kluwe J, Siedler S, Kluge S, Adedugbe I, Bird GT, Kennedy RM, Sharma S, Butler MB, Yugi G, Kolaros AA, Haroon BA, Witter T, Khaliq W, Singer M, Havaldar AA, Krishna B, Sriram S, Espinoza EDV, Pozo MO, Edul VSK, Chalari E, Furche M, Motta MF, Vazquez AR, Birri PNR, Ince C, Dubin A, Dogliotti A, Ramos A, Lovesio C, Delile E, Athanasiadou E, Nevière R, Thiébaut PA, Maupoint J, Mulder P, Coquerel D, Renet S, do Rego JC, Rieusset J, Richard V, Tamion F, Martika A, Khaliq W, Andreis DT, Singer M, Smit B, Smulders YM, de Waard MC, van Straaten HMO, Girbes ARJ, Eringa EC, Man AMESD, Fildisis G, Alegría L, Soto D, Luengo C, Gomez J, Jarufe N, Bruhn A, Castro R, Kattan E, Tapia P, Rebolledo R, Faivre V, Achurra P, Ospina-Tascón G, Bakker J, Hernández G, Bertini P, Guarracino F, Baldassarri R, Pinsky MR, Alegría L, Vera M, Mengelle C, Dreyse J, Carpio D, Henriquez C, Gajardo D, Bravo S, Castro R, Ospina-Tascón G, Bakker J, Hernández G, Kim S, Favier B, Lee M, Park SY, So S, Lee H, Kačar MB, Kačar SM, Uddin I, Belhaj AM, Aydın MA, Avsec D, Payen D, Kapuağası A, Kaymak Ç, Kovach L, Şencan İ, Meço B, Özçelik M, Ünal N, Lazaridis C, Jenni-Moser B, Jeitziner MM, Poppe A, Galassi MS, Sales FL, de Moraes KCL, Batista CL, Júnior JADS, Marcari TB, Lobato R, Castro CSAA, de Souza LM, Rodrigues FFP, Winkler MS, Correa NG, Pelegrini AM, Eid RAC, Timenetsky KT, Cazati D, Lobato M, Diniz PS, Rocha LL, Cavalheiro AM, Lucinio NM, Mudersbach E, Santos ER, Norrenberg M, Gleize A, Preiser JC, Simón IF, Carmona SA, Valhonrat IL, Domínguez JP, Abellán AN, Almudévar PM, Schreiber J, Dávila F, Rubio JJ, Ramos AJ, Reina ÁJR, López NP, Pérez MA, Apolo DXC, Villén LM, López FMP, García IP, Wruck ML, Izurieta JRN, Guerrero JJE, Calvert S, Quint M, Adeniji K, Young R, Shevill DD, Robertson E, Garside P, Walter E, Schwedhelm E, Isotti P, De Vecchi MM, Perduca AE, Negro A, Villa G, Manara DF, Cabrini L, Zangrillo A, Frencken JF, van Baal L, Kluge S, Peelen LM, Donker DW, Horn J, van der Poll T, van Klei WA, Bonten MJM, Cremer OL, Menard CE, Kumar A, Rimmer E, Zöllner C, Doucette S, Turgeon AF, Houston BL, Houston DS, Zarychanski R, Pinto BB, Carrara M, Ferrario M, Bendjelid K, Nunes J, Tavladaki T, Diaz P, Silva G, Escórcio S, Chaves S, Jardim M, Fernandes N, Câmara M, Duarte R, Pereira CA, Vieira J, Spanaki AM, Nóbrega JJ, Robles CMC, de Oca-Sandoval MAM, Sánchez-Rodríguez A, Joya-Galeana JG, Correa-Morales A, Camarena-Alejo G, Aguirre-Sánchez J, Franco-Granillo J, Soliman M, Dimitriou H, Al Azab A, El Hossainy R, Nagy H, Nirmalan M, Crippa IA, Cavicchi FZ, Vincent JL, Creteur J, Taccone FS, Chaari A, Kondili E, Hakim KA, Hassanein H, Etman M, El Bahr M, Bousselmi K, Khalil ES, Kauts V, Casey WF, Imahase H, Sakamoto Y, Choulaki C, Inoue S, Yamada KC, Koami H, Miike T, Nagashima F, Iwamura T, Boscolo A, Lucchetta V, Piasentini E, Bertini D, Meleti E, Manesso L, Spiezia L, Simioni P, Ori C, Souza RB, Martins AM, Liberatore AMA, Kang YR, Nakamae MN, Vieira JCF, Kafetzopoulos D, Koh IHJ, Hanslin K, Wilske F, Skorup P, Sjölin J, Lipcsey M, Long WJ, Zhen CE, Vakalos A, Avramidis V, Georgopoulos D, Wu SH, Shyu LJ, Li CH, Yu CH, Chen HC, Wang CH, Lin KH, Aray ZE, Gómez CF, Tejero AP, Briassoulis G, Monge DD, Losada VM, Tarancón CM, Cortés SD, Gutiérrez AM, Álvarez TP, Rouze A, Jaffal K, Six S, Stolz K, la Torre AGD, Cattoen V, Nseir S, Arnal JM, Saoli M, Novotni D, Garnero A, Becher T, Buchholz V, Schädler D, Frerichs I, de la Torre-Prados MV, Weiler N, Eronia N, Mauri T, Gatti S, Maffezzini E, Bronco A, Alban L, Sasso T, Marenghi C, Grasselli G, Tsvetanova-Spasova T, Pesenti A, Bellani G, Al-Fares A, Del Sorbo L, Anwar S, Facchin F, Azad S, Zamel R, Ferguson N, Cypel M, Nuevo-Ortega P, Keshavjee S, Fan E, Durlinger E, Spoelstra-de Man A, Smit B, de Grooth HJ, Girbes A, Straaten HOV, Smulders Y, Alfaro MA, Rueda-Molina C, Parrilla F, Meli A, Pellegrini M, Rodriguez N, Goyeneche JM, Morán I, Aguirre H, Mancebo J, Heines SJH, Strauch U, Fernández-Porcel A, Bergmans DCJJ, Blankman P, Shono A, Hasan D, Gommers D, Chung WY, Lee KS, Jung YJ, Park JH, Sheen SS, Camara-Sola E, Park KJ, Worral R, Denham S, Isherwood P, Rees SE, Larraza S, Dey N, Spadaro S, Brohus JB, Winding RW, Salido-Díaz L, Volta CA, Karbing DS, Ampatzidou F, Vlachou A, Kehagioglou G, Karaiskos T, Madesis A, Mauromanolis C, Michail N, Drossos G, García-Alcántara A, Saraj N, Rijkenberg S, Feijen HM, Endeman H, Donnelly AAJ, Morgan E, Garrard H, Buckley H, Russell L, Haase N, Tavladaki T, Perner A, Goh C, Mouyis K, Woodward CLN, Halliday J, Encina GB, Ros J, Lagunes L, Tabernero J, Bosch F, Spanaki AM, Rello J, Huertas DG, Manzano F, Morente-Constantin E, Rivera-Ginés B, Colmenero-Ruiz M, Abellán AN, Pérez LP, Lucendo AP, Almudévar PM, Dimitriou H, Domínguez JP, Villamizar PR, Sanz JG, Simon IF, Valbuena BL, Carmona SA, Pais M, Ramalingam S, Díaz C, Fox L, Kondili E, Santafe M, Barba P, García M, Leal S, Pérez M, Pérez MLP, Abellán AN, Lucendo AP, Almudevar PM, Domínguez JP, Choulaki C, Villamizar PR, Veganzones J, Simón IF, Valbuena BL, Martínez N, Carmona SA, Moors I, Mokart D, Pène F, Lambert J, Meleti DE, Kouatchet A, Mayaux J, Vincent F, Nyunga M, Bruneel F, Laisne L, Rabbat A, Lebert C, Perez P, Chaize M, Kafetzopoulos D, Renault A, Meert AP, Hamidfar R, Jourdain M, Darmon M, Schlemmer B, Chevret S, Lemiale V, Azoulay E, Benoit D, Georgopoulos D, Martins-Branco D, Sousa M, Marum S, Bouw MJ, Galstyan G, Makarova P, Parovichnikova E, Kuzmina L, Troitskaya V, Drize N, Briassoulis G, Gemdzhian E, Savchenko V, Chao HC, Kılıc E, Demiriz B, Uygur ML, Sürücü M, Cınar K, Yıldırım AE, Kiss K, Suberviola B, Köves B, Csernus V, Molnár Z, Ntantana A, Matamis D, Savvidou S, Giannakou M, Gouva M, Nakos G, Koulouras V, Riera J, Gaffney S, Black E, Docking R, Judge C, Drew T, Misran H, Munshi R, McGovern L, Coyle M, Dunne L, Rellan L, Deasy E, Lavin P, Fahy A, Darcy DM, Donnelly M, Ismail NH, Hall T, Wykes K, Jack J, Ngu WC, Sanchez M, Morgan P, Ruiz-Ramos J, Ramirez P, Gordon M, Villarreal E, Frasquet J, Poveda-Andrés JL, Castellanos A, Ijssennagger CE, ten Hoorn S, Robles JC, van Wijk A, van den Broek JM, Tuinman PR, Elmenshawy AM, Hammond BD, Gibbon G, Belcham T, Burton K, Taniguchi LU, Ramos FJS, Lopez E, Momma AK, Martins-Filho APR, Bartocci JJ, Lopes MFD, Sad MH, Rodrigues CM, Pires EMC, Vieira JM, Leite MA, Murbach LD, Vicente R, Osaku EF, Barreto J, Duarte ST, Taba S, Miglioranza D, Gund DP, Lordani CF, Costa CRLM, Ogasawara SM, Jorge AC, Miñambres E, Duarte PAD, Spadaro S, Capuzzo M, Corte FD, Terranova S, Scaramuzzo G, Fogagnolo A, Bertacchini S, Bellonzi A, Ragazzi R, Santibañez M, Volta CA, Cruz C, Nunes A, Pereira FS, Aragão I, Cardoso AF, Santos C, Malheiro MJ, Castro H, Cardoso T, Le Guen M, Paratz J, Kenardy J, Comans T, Coyer F, Thomas P, Boots R, Pereira N, Vilas-Boas A, Gomes E, Dias C, Moore J, Torres J, Carvalho D, Molinos E, Vales C, Araújo R, Cruz C, Nunes A, Pereira FS, Cardoso AF, Santos C, Mason N, Malheiro MJ, Castro H, Cardoso T, Karnatovskaia L, Philbrick K, Ognjen G, Clark M, Montero RM, 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ESICM LIVES 2016: part two. Intensive Care Med Exp 2016. [PMCID: PMC5042923 DOI: 10.1186/s40635-016-0099-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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S, Golovnya E, Baikova VN, Ageeva T, Haritydi T, Kulaga EV, Rios-Toro JJ, Perez-Borrero L, Aguilar-Alonso E, Arias-Verdu MD, Garcia-Alvarez JM, Lopez-Caler C, De La Fuente-Martos C, Rodriguez-Fernandez S, Sanchez-Orézzoli MG, Martin-Gallardo F, Nikhilesh J, Joshi V, Villarreal E, Ruiz J, Gordon M, Quinza A, Gimenez J, Piñol M, Castellanos A, Ramirez P, Jeon YD, Jeong WY, Kim MH, Jeong IY, Ahn MY, Ahn JY, Han SH, Choi JY, Song YG, Kim JM, Ku NS, Shah H, Kellner F, Rezai F, Mistry N, Yodice P, Ovnanian V, Fless K, Handler E, Alejos RM, Romeu JDM, Antón DG, Quinart A, Martí AT, Llaurado-Serra M, Lobo-Civico A, Ventura-Rosado A, Piñol-Tena A, Pi-Guerrero M, Paños-Espinosa C, Peralvo-Bernat M, Marine-Vidal J, Gonzalez-Engroba R, Montesinos-Cerro N, Treso-Geira M, Valeiras-Valero A, Martinez-Reyes L, Sandiumenge A, Jimenez-Herrera MF, Helyar S, Riozzi P, Noon A, Hallows G, Cotton H, Keep J, Hopkins PA, Taggu A, Renuka S, Sampath S, Rood PJT, Frenzel T, Verhage R, Bonn M, Pickkers P, van der Hoeven JG, van den Boogaard M, Corradi F, Melnyk L, Moggia F, Pienovi R, Adriano G, Brusasco C, Mariotti L, Lattuada M, Bloomer MJ, Coombs M, Ranse K, Endacott R, Maertens B, Blot K, Blot S, Amerongen MPVN, van der Heiden ES, Twisk JWR, Girbes ARJ, Spijkstra JJ, Riozzi P, Helyar S, Cotton H, Hallows G, Noon A, Bell C, Peters K, Feehan A, Keep J, Hopkins PA, Churchill K, Hawkins K, Brook R, Paver N, Endacott R, Maistry N, van Wijk A, Rouw N, van Galen T, Evelein-Brugman S, Taggu A, Krishna B, Sampath S, Putzu A, Fang M, Berto MB, Belletti A, Cassina T, Cabrini L, Mistry M, Alhamdi Y, Welters I, Abrams ST, Toh CH, Han HS, Gil EM, Lee DS, Park CM, Winder-Rhodes S, Lotay R, Doyle J, Ke MW, Huang WC, Chiang CH, Hung WT, Cheng CC, Lin KC, Lin SC, Chiou KR, Wann SR, Shu CW, Kang PL, Mar GY, Liu CP, Dubó S, Aquevedo A, Jibaja M, Berrutti D, Labra C, Lagos R, García MF, Ramirez V, Tobar M, Picoita F, Peláez C, Carpio D, Alegría L, Hidalgo C, Godoy K, Bakker J, Hernández G, Sadamoto Y, Katabami K, Wada T, Ono Y, Maekawa K, Hayakawa M, Sawamura A, Gando S, Marin-Mateos H, Perez-Vela JL, Garcia-Gigorro R, Peiretti MAC, Lopez-Gude MJ, Chacon-Alves S, Renes-Carreño E, Montejo-González JC, Parlevliet KL, Touw HRW, Beerepoot M, Boer C, Elbers PWG, Tuinman PR, Abdelmonem SA, Helmy TA, El Sayed I, Ghazal S, Akhlagh SH, Masjedi M, Hozhabri K, Kamali E, Zýková I, Paldusová B, Sedlák P, Morman D, Youn AM, Ohta Y, Sakuma M, Bates D, Morimoto T, Su PL, Chang WY, Lin WC, Chen CW, Facchin F, Zarantonello F, Panciera G, De Cassai A, Venrdramin A, Ballin A, Tonetti T, Persona P, Ori C, Del Sorbo L, Rossi S, Vergani G, Cressoni M, Chiumello D, Chiurazzi C, Brioni M, Algieri I, Tonetti T, Guanziroli M, Colombo A, Tomic I, Colombo A, Crimella F, Carlesso E, Gasparovic V, Gattinoni L, Neto AS, Schmidt M, Pham T, Combes A, de Abreu MG, Pelosi P, Schultz MJ, Katira BH, Engelberts D, Giesinger RE, Ackerley C, Yoshida T, Zabini D, Otulakowski G, Post M, Kuebler WM, McNamara PJ, Kavanagh BP, Pirracchio R, Rigon MR, Carone M, Chevret S, Annane D, Eladawy S, El-Hamamsy M, Bazan N, Elgendy M, De Pascale G, Vallecoccia MS, Cutuli SL, Di Gravio V, Pennisi MA, Conti G, Antonelli M, Andreis DT, Khaliq W, Singer M, Hartmann J, Harm S, Carmona SA, Almudevar PM, Abellán AN, Ramos JV, Pérez LP, Valbuena BL, Sanz NM, Simón IF, Arrigo M, Feliot E, Deye N, Cariou A, Guidet B, Jaber S, Leone M, Resche-Rigon M, Baron AV, Legrand M, Gayat E, Mebazaa A, Balik M, Kolnikova I, Maly M, Waldauf P, Tavazzi G, Kristof J, Herpain A, Su F, Post E, Taccone F, Vincent JL, Creteur J, Lee C, Hatib F, Jian Z, Buddi S, Cannesson M, Fileković S, Turel M, Knafelj R, Gorjup V, Stanić R, Gradišek P, Cerović O, Mirković T, Noč M, Tirkkonen J, Hellevuo H, Olkkola KT, Hoppu S, Lin KC, Hung WT, Chiang CC, Huang WC, Juan WC, Lin SC, Cheng CC, Lin PH, Fong KY, Hou DS, Kang PL, Wann SR, Chen YS, Mar GY, Liu CP, Paul M, Bougouin W, Geri G, Dumas F, Champigneulle B, Legriel S, Charpentier J, Mira JP, Sandroni C, Cariou A, Zimmerman J, Sullivan E, Noursadeghi M, Fox B, Sampson D, McHugh L, Yager T, Cermelli S, Seldon T, Bhide S, Brandon RA, Brandon RB, Zwaag J, Beunders R, Pickkers P, Kox M, Gul F, Arslantas MK, Genc D, Zibandah N, Topcu L, Akkoc T, Cinel I, Greco E, Lauretta MP, Andreis DT, Singer M, Garcia IP, Cordero M, Martin AD, Pallás TA, Montero JG, Rey JR, Malo LR, Montoya AAT, Martinez ADCA, Ayala LYD, Zepeda EM, Granillo JF, Sanchez JA, Alejo GC, Cabrera AR, Montenegro AP, Pham T, Beduneau G, Schortgen F, Piquilloud L, Zogheib E, Jonas M, Grelon F, Runge I, Terzi N, Grangé S, Barberet G, Guitard PG, Frat JP, Constan A, Chrétien JM, Mancebo J, Mercat A, Richard JCM, Brochard L, Soilemezi E, Koco E, Savvidou S, Nouris C, Matamis D, Di Mussi R, Spadaro S, Volta CA, Mariani M, Colaprico A, Antonio C, Bruno F, Grasso S, Rodriguez A, Martín-Loeches I, Díaz E, Masclans JR, Gordo F, Solé-Violán J, Bodí M, Avilés-Jurado FX, Trefler S, Magret M, Reyes LF, Marín-Corral J, Yebenes JC, Esteban A, Anzueto A, Aliberti S, Restrepo MI, Larsson JS, Redfors B, Ricksten SE, Haines R, Powell-Tuck J, Leonard H, Ostermann M, Berthelsen RE, Itenov TS, Perner A, Jensen JU, Ibsen M, Jensen AEK, Bestle MH, Bucknall T, Dixon J, Boa F, MacPhee I, Philips BJ, Doyle J, Saadat F, Samuels T, Huddart S, McCormick B, DeBrunnar R, Preece J, Swart M, Peden C, Richardson S, Forni L, Kalfon P, Baumstarck K, Estagnasie P, Geantot MA, Berric A, Simon G, Floccard B, Signouret T, Boucekine M, Fromentin M, Nyunga M, Sossou A, Venot M, Robert R, Follin A, Renault A, Garrouste M, Collange O, Levrat Q, Villard I, Thévenin D, Pottecher J, Patrigeon RG, Revel N, Vigne C, Mimoz O, Auquier P, Pawar S, Jacques T, Deshpande K, Pusapati R, Wood B, Pulham RA, Wray J, Brown K, Pierce C, Nadel S, Ramnarayan P, Azevedo JR, Montenegro WS, Rodrigues DP, Sousa SC, Araujo VF, Leitao AL, Prazeres PH, Mendonca AV, Paula MP, Das Neves A, Loudet CI, Busico M, Vazquez D, Villalba D, Lischinsky A, Veronesi M, Emmerich M, Descotte E, Juliarena A, Bisso MC, Grando M, Tapia A, Camargo M, Ulla DV, Corzo L, dos Santos HP, Ramos A, Doglia JA, Estenssoro E, Carbonara M, Magnoni S, Donald CLM, Shimony JS, Conte V, Triulzi F, Stretti F, Macrì M, Snyder AZ, Stocchetti N, Brody DL, Podlepich V, Shimanskiy V, Savin I, Lapteva K, Chumaev A, Tjepkema-Cloostermans MC, Hofmeijer J, Beishuizen A, Hom H, Blans MJ, van Putten MJAM, Longhi L, Frigeni B, Curinga M, Mingone D, Beretta S, Patruno A, Gandini L, Vargiolu A, Ferri F, Ceriani R, Rottoli MR, Lorini L, Citerio G, Pifferi S, Battistini M, Cordolcini V, Agarossi A, Di Rosso R, Ortolano F, Stocchetti N, Lourido CM, Cabrera JLS, Santana JDM, Alzola LM, del Rosario CG, Pérez HR, Torrent RL, Eslami S, Dalhuisen A, Fiks T, Schultz MJ, Hanna AA, Spronk PE, Wood M, Maslove D. ESICM LIVES 2016: part three. Intensive Care Med Exp 2016. [PMCID: PMC5042925 DOI: 10.1186/s40635-016-0100-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Ramirez P, Lopez-Ferraz C, Gordon M, Gimeno A, Villarreal E, Ruiz J, Menendez R, Torres A. From starting mechanical ventilation to ventilator-associated pneumonia, choosing the right moment to start antibiotic treatment. Crit Care 2016; 20:169. [PMID: 27256282 PMCID: PMC4891899 DOI: 10.1186/s13054-016-1342-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 05/12/2016] [Indexed: 12/18/2022]
Abstract
Background Ventilator-associated pneumonia (VAP) can have a clear onset or may be a result of the gradual appearance of symptoms and signs of VAP (gradual VAP). The aim of this paper is to describe the VAP development process with the intention of discriminating between those pneumonias with a clear beginning and those that are diagnosed after a period of maturation. In addition, we evaluate the effect of the starting time of antibiotic treatment in both situations. Methods Consecutive ventilated patients fulfilling VAP criteria were included. The patients were monitored for clinical, microbiological, and inflammatory signs. Patients with VAP were classified into two groups: (1) nongradual VAP (patients in whom all VAP criteria were detected for the first time on the day of diagnosis) and (2) gradual VAP (progressive appearance of signs and symptoms throughout the pre-VAP period [<96 h to >24 h before VAP diagnosis]). Results A total of 71 patients with VAP were identified, of whom 43 (61 %) had gradual VAP, most of whom (n = 38, 88 %) had late-onset VAP. Antibiotic treatment was given to 34 (79 %) patients with gradual VAP in the pre-VAP period, and empirical antibiotic treatment was appropriate in 22 patients (51 %). The patients with an appropriate empirical treatment had a higher percentage of early clinical response to treatment (68 % [n = 15] vs. 28 % [n = 7]; p = 0.009). An attempt was made to find a diagnostic test capable of identifying the infectious process underway, but clinical scales and biomarkers of inflammation helped us to achieve acceptable results. Conclusions Gradual emergence of VAP, mainly of late onset, is a common condition. Clinicians should be aware of this gradual onset of the infection to establish an early antibiotic treatment, even before the classic diagnostic criteria for VAP are applied.
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Affiliation(s)
- Paula Ramirez
- Department of Intensive Care Medicine, Hospital Universitari i Politècnic la Fe, Valencia, Spain. .,Centro de Investigación Biomedica en Red-Enfermedades Respiratorias (CibeRes, CB06/06/0028), Instituto de Salud Carlos III, Madrid, Spain.
| | - Cristina Lopez-Ferraz
- Department of Intensive Care Medicine, Hospital Universitari i Politècnic la Fe, Valencia, Spain
| | - Monica Gordon
- Department of Intensive Care Medicine, Hospital Universitari i Politècnic la Fe, Valencia, Spain
| | - Alexandra Gimeno
- Department of Pneumology, Hospital Universitari i Politècnic la Fe, Valencia, Spain
| | - Esther Villarreal
- Department of Intensive Care Medicine, Hospital Universitari i Politècnic la Fe, Valencia, Spain
| | - Jesús Ruiz
- Department of Intensive Care Medicine, Hospital Universitari i Politècnic la Fe, Valencia, Spain
| | - Rosario Menendez
- Centro de Investigación Biomedica en Red-Enfermedades Respiratorias (CibeRes, CB06/06/0028), Instituto de Salud Carlos III, Madrid, Spain.,Department of Pneumology, Hospital Universitari i Politècnic la Fe, Valencia, Spain
| | - Antoni Torres
- Centro de Investigación Biomedica en Red-Enfermedades Respiratorias (CibeRes, CB06/06/0028), Instituto de Salud Carlos III, Madrid, Spain.,Department of Pneumology, Hospital Clinic, Barcelona, Spain
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Ruiz J, Villarreal E, Gordon M, Frasquet J, Castellanos A, Ramirez P. From MIC creep to MIC decline: Staphylococcus aureus antibiotic susceptibility evolution over the last 4 years. Clin Microbiol Infect 2016; 22:741-2. [PMID: 27184873 DOI: 10.1016/j.cmi.2016.05.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 02/29/2016] [Accepted: 05/04/2016] [Indexed: 10/21/2022]
Affiliation(s)
- J Ruiz
- Hospital Universitario y Politecnico la Fe, Intensive Care Unit, IIS La Fe, Valencia, Spain
| | - E Villarreal
- Hospital Universitario y Politecnico la Fe, Intensive Care Unit, IIS La Fe, Valencia, Spain
| | - M Gordon
- Hospital Universitario y Politecnico la Fe, Intensive Care Unit, Valencia, Spain
| | - J Frasquet
- Hospital Universitario y Politecnico la Fe, Microbiology Department, Valencia, Spain
| | - A Castellanos
- Hospital Universitario y Politecnico la Fe, Intensive Care Unit, Valencia, Spain
| | - P Ramirez
- Hospital Universitario y Politecnico la Fe, Intensive Care Unit, Valencia, Spain.
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Ramirez P, Gordón M, Cortes C, Villarreal E, Perez-Belles C, Robles C, de Hevia L, Marti JV, Botella J, Bonastre J. Blood culture contamination rate in an intensive care setting: Effectiveness of an education-based intervention. Am J Infect Control 2015; 43:844-7. [PMID: 26026825 DOI: 10.1016/j.ajic.2015.04.183] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 04/09/2015] [Accepted: 04/09/2015] [Indexed: 11/16/2022]
Abstract
BACKGROUND Blood culture (BC) contamination rate is an indicator of quality of care scarcely explored in intensive care units (ICUs). We analyzed the BC contamination rate in our ICU to assess the effectiveness of an education-based intervention. METHODS We conducted an interventional study with concurrent controls. Consecutive BCs drawn during a 6-month period were included. An education-based intervention was presented to case nurses (optimal technique). The remaining nurses comprised the control group (standard technique). Two independent observers assessed clinical significance of saprophytic skin bacteria isolated in BCs. RESULTS Six hundred fifty-six BCs were obtained: 308 (47%) via optimal technique and 348 (53%) via standard technique (47%). One hundred eighty-seven BCs were positive for saprophytic microorganisms; 127 (89%) were considered unrelated to infection. Coagulase-negative staphylococci isolation was lower in the optimal technique group (14% vs 26%; P < .001), as well as contamination due to coagulase-negative staphylococci (12% vs 21%; P = .002) or Acinetobacter baumannii (0.3% vs 2%; P = .013). BC contamination rate was 13% in the optimal technique group versus 23% in the standard group (P < .005). In the optimal technique group, BC contamination rate was higher in BCs drawn through the catheter (17% vs 7%; P = .028). CONCLUSIONS An education-based intervention significantly reduced the BC contamination rate in our ICU. It seems necessary to design a tool to extract BCs through the catheter to minimize the risk of contamination.
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Affiliation(s)
- Paula Ramirez
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain; CIBERES (Research Center for Respiratory Pathologies) Instituto de Salud Carlos III, Madrid, Spain.
| | - Mónica Gordón
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Concepción Cortes
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Esther Villarreal
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Carmen Perez-Belles
- Microbiology Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Cristobal Robles
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Luis de Hevia
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Jose Vicente Marti
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Javier Botella
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
| | - Juan Bonastre
- Critical Care Department, Hospital Universitario y Politécnico la Fe, Valencia, Spain
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Villarreal E, Vacacela K, Gordon M, Calabuig C, Alonso R, Ruiz J, Kot P, Babiloni D, Ramírez P. [Usefulness of procalcitonin for diagnosing infection in critically ill patients with liver cirrhosis]. Med Intensiva 2015; 40:84-9. [PMID: 25843699 DOI: 10.1016/j.medin.2015.02.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Revised: 01/05/2015] [Accepted: 02/08/2015] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To evaluate the usefulness of procalcitonin (PCT) for diagnosing infection in patients with liver cirrhosis admitted to an Intensive Care Unit. DESIGN A retrospective study was carried out. SCOPE Intensive Care Unit. Versatile, twenty-four beds. Participants Patients with liver cirrhosis admitted to our Intensive Care Unit in the last four years with suspected infection and measurement of PCT. RESULTS Among the 255 patients with cirrhosis admitted to our unit, PCT was determined for the differential diagnosis of infection in 69 cases (27%). Three patients were excluded from analysis due to a lack of clinical data. The average stay was 10.6 ± 9.2 days, with a mortality rate of 65%. The origin of cirrhosis was mainly viral (57%) or alcoholic (37%). The Child-Pugh and MELD scores were 9.5 ± 2 and 23 ± 8, respectively. Infection was diagnosed in 54 patients (82%). The most common infection was pneumonia (72%), followed by intraabdominal infections (18%) and bacteremia (5%). In patients without infection, the median PCT concentration was 0.57 ng/ml (range 0.28 to 1.14) versus 2.99 (1.31 to 9.4) in those with infection (p<.001). Diagnostic capacity was maintained in patients with intraabdominal infections. The diagnostic cutoff point was set at 0.8 ng/ml (sensitivity 83%, specificity 75%, AUC 0.82 [0.702-0.93]). CONCLUSIONS In patients with liver cirrhosis, PCT is useful for identifying bacterial infections, including intraabdominal processes.
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Affiliation(s)
- E Villarreal
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - K Vacacela
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - M Gordon
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - C Calabuig
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - R Alonso
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - J Ruiz
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - P Kot
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - D Babiloni
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - P Ramírez
- Servicio de Medicina Intensiva, Hospital Universitario y Politécnico La Fe, Valencia, España.
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Gordon M, Ramirez P, Soriano A, Palomo M, Lopez-Ferraz C, Villarreal E, Meseguer S, Gomez MD, Folgado C, Bonastre J. Diagnosing external ventricular drain-related ventriculitis by means of local inflammatory response: soluble triggering receptor expressed on myeloid cells-1. Crit Care 2014; 18:567. [PMID: 25327849 PMCID: PMC4219004 DOI: 10.1186/s13054-014-0567-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Accepted: 10/02/2014] [Indexed: 11/10/2022]
Abstract
Introduction External ventricular drainage (EVD)-related ventriculitis is one of the most severe complications associated with the use of EVDs. Establishing an early and certain diagnosis can be difficult in critically ill patients. We performed this prospective study to evaluate the usefulness of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) determination in cerebrospinal fluid (CSF) in the diagnosis of ventriculitis. Methods A prospective observational study was conducted of 73 consecutive patients with EVD. Samples of CSF for culture, cytobiochemical analysis and sTREM-1 determination were extracted three times a week. Ventriculitis diagnosis required a combination of microbiological, cytobiochemical and clinical criteria. Results Seventy-three consecutive patients were included. EVD-related ventriculitis was diagnosed in six patients and EVD-colonization in ten patients. Patients without clinical or microbiological findings were considered controls. The median CSF sTREM-1 was 4,320 pg/ml (interquartile range (IQR): 2,987 to 4,886) versus 266 pg/ml (118 to 689); P <0.001. There were no differences when comparing colonized-patients and controls. The best cut-off sTREM-1 value for the diagnosis of ventriculitis was 2,388.79 pg/ml (sensitivity 100%, specificity 98.5%, positive predictive value 85.71%, negative predictive value 100%). CSF proteins, glucose and the ratio CSF/serum glucose were also significantly different (P = 0.001). Serum biomarkers were not useful to diagnose EVD-related infection. These results were confirmed by a case–control study with ventriculitis patients (cases) and non-ventriculitis (control subjects) matched by age, comorbidities, severity scales and EVD duration (P = 0.004). Conclusions CSF sTREM-1 was useful in the diagnosis of ventriculitis, in a similar measure to classical CSF parameters. Furthermore, CSF sTREM-1 could prove the diagnosis in uncertain cases and discriminate between EVD-colonization and infection.
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Lopez-Ferraz C, Ramírez P, Gordon M, Marti V, Gil-Perotin S, Gonzalez E, Villarreal E, Alvarez-Lerma F, Menendez R, Bonastre J, Torres A. Impact of microbial ecology on accuracy of surveillance cultures to predict multidrug resistant microorganisms causing ventilator-associated pneumonia. J Infect 2014; 69:333-40. [DOI: 10.1016/j.jinf.2014.05.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 04/22/2014] [Accepted: 05/19/2014] [Indexed: 12/29/2022]
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Gordon M, Villarreal E, Ramírez P. Neumatosis intestinal. Rev Clin Esp 2012; 212:e23. [DOI: 10.1016/j.rce.2011.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2011] [Revised: 10/14/2011] [Accepted: 11/13/2011] [Indexed: 11/24/2022]
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Lozano LF, Peña-Rico MA, Jang-Cho H, Heredia A, Villarreal E, Ocotlán-Flores J, Gomez-Cortes AL, Aranda-Manteca FJ, Orozco E, Bucio L. Thermal Properties of Mineralized and Non Mineralized Type I Collagen in Bone. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-724-n7.6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractThe research about the structural stability of bone, as a composite material, compromises a complete understanding of the interaction between the mineral and organic phases. The thermal stability of human bone and type I collagen extracted from human bone by different methods was studied in order to understand the interactions between the mineral and organic phases when is affected by a degradation/combustion process. The experimental techniques employed were calorimetry and infrared spectroscopy (FTIR) techniques. The extracted type I collagens result to have a bigger thermal stability with a Tmax at 500 and 530 Celsius degrees compared with the collagen present in bone with Tmax at 350 Celsius degrees. The enthalpy value for the complete degradation/combustion process were similar for all the samples, being 8.4 +- 0.11 kJ/g for recent bones diminishing with the antiquity, while for extracted collagens were 8.9 +- 0.07 and 7.9 +-1.01 kJ/g. These findings demonstrate that the stability loss of type I collagen is due to its interactions with the mineral phase, namely carbonate hydroxyapatite. This cause a change in the molecular properties of the collagen during mineralization, specifically in its cross-links and other chemical interactions, which have a global effect over the fibers elasticity, but gaining tensile strength in bone as a whole tissue. We are applying this characterization to analyze the diagenetic process of bones with archaeological interest in order to identify how the environmental factors affect the molecular structure of type I collagen. In bone samples that proceed from an specific region with the same environmental conditions, the enthalpy value per unit mass was found to diminish exponentially with respect to the bone antiquity.
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Heredia A, Lozano L, Martinez-Matias C, Peña-Rico M, Rodriguez-Hernández A, Villarreal E, Martínez A, García-Garduño M, Basiuk V, Bucio L, Orozco E. Microstructure and Thermal Expansion Properties of Ostrich Eggshell. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-724-n7.5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractTextures of calcite crystals from ostrich (Struthio camelus) eggshells were examined with X ray diffractometry (XRD), transmission and scanning electron microscopy (TEM, SEM), and the thermal stability by thermal expansion analysis (TEA). Results showed that textures vary through the thickness of the eggshell and that expansion properties and thermal behaviour are unusual. Crystals from ostrich eggshell are arranged in two main configurations or layers; the outer layer with the c-axis of crystals oriented perpendicular to the eggshell surface and the inner layer with the c-axes of the crystals arranged almost parallel to eggshell surface; thermal expansion analysis show high stability through a wide range of temperatures until a steep growth near 450-460°C. These results show that the manipulation of crystal texture and properties is under biological control and a better understanding of this biological phenomenon will provide more and better data for improving new synthetic composite materials.
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Lima E, Bosch P, Lara V, Villarreal E, Piña C, Torres G, Martín S, León B. Metal corrosion in bones implanted with Zinalco—A SAXS and NMR study. J Biomed Mater Res B Appl Biomater 2005; 76:203-10. [PMID: 16080201 DOI: 10.1002/jbm.b.30362] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The composition and morphology of bones implanted with stainless steel (316L-SS) and a metal alloy made of zinc, aluminum, and copper (Zinalco) are compared. Small-angle X-ray scattering (SAXS) and nuclear magnetic resonance (NMR) results show that with time Zinalco is corroded and zinc, aluminum, and copper diffuse into the osseous tissue, promoting nonhomogeneous bone. Instead, 316L-SS does not incorporate into bone, and the bone recovers homogeneously at a lower speed.
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Affiliation(s)
- E Lima
- Universidad Autónoma Metropolitana, Iztapalapa, A.P. 55-532, Avenida San Rafael Atlixco No. 186 Col. Vicentina, 09340 México D.F., Mexico.
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Salinas AM, Villarreal E, Nuñez GM, Garza ME, Briones H, Navarro O. Health interventions for the metal working industry: which is the most cost-effective? A study from a developing country. Occup Med (Lond) 2002; 52:129-35. [PMID: 12063358 DOI: 10.1093/occmed/52.3.129] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study ranked the cost-effectiveness of health interventions in the metal working industry in a developing country. Data were based on 82 034 workers of the Northern region of Mexico. Effectiveness was measured through 'healthy life years' (HeaLYs) gained. Costs were estimated per worker according to type and appropriate inputs from selected health interventions. 'Hand' was the anatomical region that yielded the most gain of HeaLYs and amputation was the injury that yielded the most gain of HeaLYs. The most effective health intervention corresponded to training, followed by medical care, education, helmets, safety shoes, lumbar supports, safety goggles, gloves and safety aprons. In dollar terms, education presented the best cost-effectiveness ratio (US$637) and safety aprons presented the worst cost-effectiveness ratio (US$1 147 770). Training proved to be a very expensive intervention, but presented the best effectiveness outcome and the second best cost-effectiveness ratio (US$2084). Cost-effectiveness analyses in developing countries are critical. Corporations might not have the same funds and technology as those in developed countries or multinational companies.
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Affiliation(s)
- A M Salinas
- Regional Unit for Epidemiological Research and Health Services, Mexican Social Security Institute, Monterrey, NL Mexico, Mexico.
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Salinas AM, Villarreal E, Garza ME, Fraire JM, Lopez JJ, Nuñez GM. Quality differences between rural and urban primary care: the case of a cervical cancer screening programme. Int J Qual Health Care 1998; 10:235-40. [PMID: 9661062 DOI: 10.1093/intqhc/10.3.235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To measure the difference between rural and urban primary care quality in terms of an early cervical cancer detection programme. LOCATIONS Seven hundred and fifty smear reports from rural primary care units and 750 from urban primary care units were selected at random from three institutions: the Ministry of Health, the largest Mexican social security institution, and one University Hospital, during August 1995-March 1996. Excluded were reports from women who were pregnant, menopausal or those who had undergone hysterectomy, as well as those tested positive for dysplasia and cancer. ACTIVITIES Quality was measured through indicators and standards set by consensus of recognized field experts, based mainly on recommended national and international parameters. RESULTS There was no difference between the overall quality of the urban and rural units. Both registered fairly satisfactory levels (achievement: 76.2%; 95% CI: 72.7-77.0%, versus 75.2; 95% CI: 69.8-78.9%, respectively). The quality of the smear sampling was highly unsatisfactory in rural units and unsatisfactory in urban units (achievement: 64.2%; 95% CI: 58.2-70.0%, versus 47.3%, 95% CI: 42-52.7%; P < 0.00001). Quality of coverage was unsatisfactory for both regions. Quality of smear processing and timeliness were highly satisfactory for both rural and urban units. RECOMMENDATIONS Efforts should be directed toward smear quality improvement, especially in rural units. Health care workers who take smears need training programmes and better instruments. They should receive feedback on smear adequacy from the laboratory. Health education is necessary to improve utilization and programme coverage quality.
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Affiliation(s)
- A M Salinas
- Epidemiologic and Health Services Research Unit, Mexican Institute of Social Security, Monterrey, Mexico.
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Wolpert E, Robles G, Suárez de la Torre GI, Lisker R, Villarreal E, Wolkoff AW, Arias IM. [Metabolic disorders of the biliary pigments in various hereditary diseases]. Rev Invest Clin 1978; 30:49-57. [PMID: 635323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Wolpert E, Robles G, Poucell S, Rosel G, Villarreal E, Flores EL. [Acute alcoholic hepatitis. Comparative study of 50 patients with alcoholic hepatitis and 50 with viral hepatitis]. Rev Invest Clin 1978; 30:3-12. [PMID: 76326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Abstract
A transport equation is used which describes the temporal behavior of interacting populations in changing environments. The formulation takes into account the internal state variables of the individuals. The general theory is applied to the transient analysis of a microbial predator-prey system using an approximate model for the specific cell growth rate and multigroup formulism to approximate the mass distribution within the population. Experimental results in aTetrahymena pyriformis- Aerobacter aerogenes system have been used to evaluate the group parameters and test the validity of the theoretical predictions.
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Affiliation(s)
- E Villarreal
- Department of Physics, University of Los Andes, Bogota, Colombia
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Abstract
The predator-prey interactions between the protozoan Tetrahymena pyriformis and the bacterium Aerobacter aerogenes have been studied experimentally and mathematically. A mathematical model for the ciliates defines the mass distribution of cells within the population. The resulting model equations are solved by the use of multigroup theory. Experimental data from batch and continuous flow rectors are compared with the results of the numerical integration.
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Mata JM, Kershenobich D, Villarreal E, Rojkind M. Serum free proline and free hydroxyproline in patients with chronic liver disease. Gastroenterology 1975; 68:1265-9. [PMID: 1126602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Serum free proline and free hydroxyproline were determined in 71 patients with liver disease and in 62 control subjects. The group with liver disease included 60 patients with liver cirrhosis and 11 with chronic active liver disease. Forty-five of the cirrhotic patients were alcoholics, 9 of which were studied during an episode of alcoholic hepatitis. The control group consisted of 24 healthy volunteers, 19 primary malnourished patients, and 19 severely ill patients without liver disease. The values obtained in normal subjects were quite constant; no differences related to sex or age were detected. In patients with malnutrition, and especially in severely ill patients, the proline values were always below the normal limit. Patients with nonalcoholic cirrhosis or chronic active liver disease had serum proline and hydroxyproline values similar to those of normal subjects. However, the patients with alcoholic liver cirrhosis had proline and hydroxyproline values significantly higher than the normal group. Furthermore, in patients with alcoholic hepatitis the serum free proline values were significantly higher than in the other groups. The results suggest that alcohol might have a direct effect on proline metabolism or facilitate its release from the liver cell.
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Villarreal E, Velásquez F, Wolpert E. [Usefulness of liver needle biopsy in the differential diagnosis of jaundice]. Rev Invest Clin 1973; 25:117-28. [PMID: 4722227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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