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1.
Antimicrob Agents Chemother ; 67(11): e0081023, 2023 11 15.
Artigo em Inglês | MEDLINE | ID: mdl-37882514

RESUMO

Cefepime exhibits highly variable pharmacokinetics in critically ill patients. The purpose of this study was to develop and qualify a population pharmacokinetic model for use in the critically ill and investigate the impact of various estimated glomerular filtration rate (eGFR) equations using creatinine, cystatin C, or both on model parameters. This was a prospective study of critically ill adults hospitalized at an academic medical center treated with intravenous cefepime. Individuals with acute kidney injury or on kidney replacement therapy or extracorporeal membrane oxygenation were excluded. A nonlinear mixed-effects population pharmacokinetic model was developed using data collected from 2018 to 2022. The 120 included individuals contributed 379 serum samples for analysis. A two-compartment pharmacokinetic model with first-order elimination best described the data. The population mean parameters (standard error) in the final model were 7.84 (0.24) L/h for CL1 and 15.6 (1.45) L for V1. Q was fixed at 7.09 L/h and V2 was fixed at 10.6 L, due to low observed interindividual variation in these parameters. The final model included weight as a covariate for volume of distribution and the eGFRcr-cysC (mL/min) as a predictor of drug clearance. In summary, a population pharmacokinetic model for cefepime was created for critically ill adults. The study demonstrated the importance of cystatin C to prediction of cefepime clearance. Cefepime dosing models which use an eGFR equation inclusive of cystatin C are likely to exhibit improved accuracy and precision compared to dosing models which incorporate an eGFR equation with only creatinine.


Assuntos
Antibacterianos , Cistatina C , Adulto , Humanos , Cefepima/farmacocinética , Taxa de Filtração Glomerular , Estudos Prospectivos , Estado Terminal/terapia , Creatinina
2.
Crit Care Med ; 43(3): 665-73, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25513786

RESUMO

OBJECTIVE: Robust markers of subclinical perioperative lung injury are lacking. Extravascular lung water indexed to predicted body weight and pulmonary vascular permeability index are two promising early markers of lung edema. We aimed to evaluate whether extravascular lung water indexed to predicted body weight and pulmonary vascular permeability index would identify patients at risk for clinically significant postoperative pulmonary edema, particularly resulting from the acute respiratory distress syndrome. DESIGN: Prospective cohort study. SETTING: Tertiary care academic medical center. PATIENTS: Adults undergoing high-risk cardiac or aortic vascular surgery (or both) with risk of acute respiratory distress syndrome. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Extravascular lung water indexed to predicted body weight and pulmonary vascular permeability index measurements were obtained intraoperatively and in the early postoperative period. We assessed the accuracy of peak extravascular lung water indexed to predicted body weight and pulmonary vascular permeability index as predictive markers of clinically significant pulmonary edema (defined as acute respiratory distress syndrome or cardiogenic pulmonary edema) using area under the receiver-operating characteristic curves. Associations between extravascular lung water indexed to predicted body weight and pulmonary vascular permeability patient-important with important outcomes were assessed. Of 150 eligible patients, 132 patients (88%) had extravascular lung water indexed to predicted body weight and pulmonary vascular permeability index measurements. Of these, 13 patients (9.8%) had postoperative acute respiratory distress syndrome and 15 patients (11.4%) had cardiogenic pulmonary edema. Extravascular lung water indexed to predicted body weight effectively predicted development of clinically significant pulmonary edema (area under the receiver-operating characteristic curve, 0.79; 95% CI, 0.70-0.89). Pulmonary vascular permeability index discriminated acute respiratory distress syndrome from cardiogenic pulmonary edema alone or no edema (area under the receiver-operating characteristic curve, 0.77; 95% CI, 0.62-0.93). Extravascular lung water indexed to predicted body weight was associated with the worst postoperative PaO2/FIO2, duration of mechanical ventilation, ICU stay, and hospital stay. Peak values for extravascular lung water indexed to predicted body weight and pulmonary vascular permeability index were obtained within 2 hours of the primary intraoperative insult for the majority of patients (> 80%). CONCLUSIONS: Perioperative extravascular lung water indexed to predicted body weight is an early marker that predicts risk of clinically significant postoperative pulmonary edema in at-risk surgical patients. Pulmonary vascular permeability index effectively discriminated postoperative acute respiratory distress syndrome from cardiogenic pulmonary edema. These measures will aid in the early detection of subclinical lung injury in at-risk surgical populations.


Assuntos
Permeabilidade Capilar/fisiologia , Água Extravascular Pulmonar/metabolismo , Período Perioperatório , Edema Pulmonar/fisiopatologia , Síndrome do Desconforto Respiratório/fisiopatologia , Centros Médicos Acadêmicos , Lesão Pulmonar Aguda/fisiopatologia , Biomarcadores , Peso Corporal , Humanos , Tempo de Internação , Pulmão/irrigação sanguínea , Prognóstico , Estudos Prospectivos , Curva ROC , Respiração Artificial/métodos
3.
Pharmacotherapy ; 43(11): 1112-1120, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-36648390

RESUMO

STUDY OBJECTIVE: In critically ill patients, adequacy of early antibiotic exposure has been incompletely evaluated. This study characterized factors associated with inadequate cefepime exposure in the first 24 h of critical illness. DESIGN: Prospective cohort study. SETTING: Academic Medical Center. PATIENTS: Critically ill adults treated with cefepime. Patients with acute kidney injury or treated with kidney replacement therapy or extracorporeal membrane oxygenation were excluded. INTERVENTION: None. MEASUREMENTS: A nonlinear mixed-effects pharmacokinetic (PK) model was developed to estimate cefepime concentrations for each patient over time. The percentage of time the free drug concentration exceeded 8 mg/L during the first 24 h of therapy was calculated (%ƒT>8; appropriate for the susceptible breakpoint for Pseudomonas aeruginosa). Factors predictive of low %ƒT>8 were explored with multivariable regression. MAIN RESULTS: In the 100 included patients, a one-compartment PK model was developed with first-order elimination with covariates for weight and estimated glomerular filtration rate based on creatinine and cystatin C (eGFRSCr-CysC). The median (interquartile range) %ƒT>8 for cefepime in the first 24 h of therapy based on this model was 85% (66%, 100%). Less than 100% ƒT>8 during first 24 h of therapy occurred in 70 (70%) individuals. Lower Sequential Organ Failure Assessment score (p = 0.032) and higher eGFRSCr-CysC (p < 0.001) predicted a lower %ƒT>8. Central nervous system infection source was protective (i.e., associated with a higher %ƒT>8; p = 0.008). CONCLUSIONS: During early critical illness, cefepime concentrations were inadequate in a significant proportion of patients. Antimicrobial optimization is needed to improve the precision of pharmacotherapy in the critically ill patients.


Assuntos
Estado Terminal , Infecções por Pseudomonas , Adulto , Humanos , Cefepima/farmacocinética , Estado Terminal/terapia , Estudos Prospectivos , Antibacterianos , Infecções por Pseudomonas/tratamento farmacológico , Testes de Sensibilidade Microbiana
4.
Crit Care Explor ; 5(12): e1011, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38107538

RESUMO

IMPORTANCE: Meropenem dosing is typically guided by creatinine-based estimated glomerular filtration rate (eGFR), but creatinine is a suboptimal GFR marker in the critically ill. OBJECTIVES: This study aimed to develop and qualify a population pharmacokinetic model for meropenem in critically ill adults and to determine which eGFR equation based on creatinine, cystatin C, or both biomarkers best improves model performance. DESIGN SETTING AND PARTICIPANTS: This single-center study evaluated adults hospitalized in an ICU who received IV meropenem from 2018 to 2022. Patients were excluded if they had acute kidney injury, were on kidney replacement therapy, or were treated with extracorporeal membrane oxygenation. Two cohorts were used for population pharmacokinetic modeling: a richly sampled development cohort (n = 19) and an opportunistically sampled qualification cohort (n = 32). MAIN OUTCOMES AND MEASURES: A nonlinear mixed-effects model was developed using parametric methods to estimate meropenem serum concentrations. RESULTS: The best-fit structural model in the richly sampled development cohort was a two-compartment model with first-order elimination. The final model included time-dependent weight normalized to a 70-kg adult as a covariate for volume of distribution (Vd) and time-dependent eGFR for clearance. Among the eGFR equations evaluated, eGFR based on creatinine and cystatin C expressed in mL/min best-predicted meropenem clearance. The mean (se) Vd in the final model was 18.2 (3.5) liters and clearance was 11.5 (1.3) L/hr. Using the development cohort as the Bayesian prior, the opportunistically sampled cohort demonstrated good accuracy and low bias. CONCLUSIONS AND RELEVANCE: Contemporary eGFR equations that use both creatinine and cystatin C improved meropenem population pharmacokinetic model performance compared with creatinine-only or cystatin C-only eGFR equations in adult critically ill patients.

5.
Kidney Med ; 5(12): 100734, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37964784

RESUMO

Rationale & Objective: Innovative models are needed to address significant gaps in kidney care follow-up for acute kidney injury (AKI) survivors. Study Design: This quasi-experimental pilot study reports the feasibility of the AKI in Care Transitions (ACT) program, a multidisciplinary approach to AKI survivor care based in the primary care setting. Setting & Participants: The study included consenting adults with stage 3 AKI discharged home without dialysis. Interventions: The ACT intervention included predischarge education from nurses and coordinated postdischarge follow-up with a primary care provider and pharmacist within 14 days. ACT was implemented in phases (Usual Care, Education, ACT). Outcomes: The primary outcome was feasibility. Secondary outcomes included process and clinical outcomes. Results: In total, 46 of 110 eligible adults were enrolled. Education occurred in 18/18 and 14/15 participants in the Education and ACT groups, respectively. 30-day urine protein evaluation occurred in 15%, 28%, and 87% of the Usual Care, Education, and ACT groups, respectively (P < 0.001). Cumulative incidence of provider (primary care or nephrologist) and laboratory follow-up at 14 and 30 days was different across groups (14 days: Usual care 0%, Education 11%, ACT 73% [P < 0.01]; 30 days: 0%, 22%, and 73% [P < 0.01]). 30-day readmission rates were 23%, 44%, and 13% in the Usual Care, Education, and ACT groups, respectively (P = 0.13). Limitations: Patients were not randomly assigned to treatment groups. The sample size limited the ability to detect some differences or perform multivariable analysis. Conclusions: This study demonstrated the feasibility of multidisciplinary AKI survivor follow-up beginning in primary care. We observed a higher cumulative incidence of laboratory and provider follow-up in ACT participants. Trial Registration: ClinicalTrials.gov (NCT04505891). Plain-Language Summary: Abrupt loss of kidney function in hospitalized patients, acute kidney injury (AKI), increases the chances of long-term kidney disease and a worse health care experience for patients. One out of 3 people who experience AKI do not get the follow-up kidney care they need. We performed a pilot study to test whether a program that facilitates structured AKI follow-up in primary care called the AKI in Care Transitions (ACT) program was possible. ACT brings together the unique expertise of nurses, doctors, and pharmacists to look at the patient's kidney health plan from all angles. The study found that the ACT program was possible and led to more complete kidney care follow-up after discharge than the normal approach to care.

6.
Crit Care Explor ; 4(7): e0728, 2022 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-36818750

RESUMO

Animal models and limited human studies have suggested a plausible role for platelets in the pathogenesis and resolution of acute respiratory distress syndrome (ARDS). However, there are little data regarding the role of platelets in ARDS development. OBJECTIVES: The objective of this study was to characterize the role of platelets in a postoperative ARDS model through an analysis of two platelet-specific biologic markers: thromboxane A2 (TxA2) and soluble CD-40-ligand (sCD40L). DESIGN SETTING AND PARTICIPANTS: This was a nested case-control study of ARDS cases matched to non-ARDS controls. Blood samples were collected from a cohort of 500 patients undergoing thoracic, aortic vascular, or cardiac surgery that placed them at high-risk of developing postoperative ARDS. MAIN OUTCOMES AND MEASURES: TxA2 and sCD40L were analyzed at baseline (prior to surgical incision) as well as 2 hours and 6 hours after the key intraoperative events believed to be associated with increased risk of postoperative ARDS. RESULTS: Of 500 patients enrolled, 20 ARDS cases were matched 1:2 to non-ARDS controls based on age, sex, surgical procedure, and surgical lung injury prediction score. Those who developed ARDS had longer surgeries, greater fluid administration, and higher peak inspiratory pressures. There were no significant differences in levels of TxA2 or sCD40L at baseline, at 2 hours, or at 6 hours. There was also no difference in the change in biomarker concentration between baseline and 2 hours or baseline and 6 hours. CONCLUSIONS: Two novel platelet-associated biologic markers (TxA2 and sCD40L) were not elevated in patients who developed ARDS in a postoperative ARDS model. Although limited by the relatively small study size, these results do not support a clear role for platelets in the early pathogenesis of postoperative ARDS.

7.
Can J Kidney Health Dis ; 9: 20543581221081258, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35284082

RESUMO

Background: Acute kidney injury (AKI) survivors are at heightened risk for poor short- and long-term health outcomes. Even among those who recover after an AKI episode, the risk for chronic kidney disease is 4- to 6-fold higher than in patients without AKI, underscoring the importance of identifying methods to improve AKI survivorship. Objective: The purpose of this report was to describe the development and feasibility of a novel multidisciplinary approach to caring for AKI survivors at care transitions (ACT). Design: Observational process improvement initiative. Setting: Single academic medical center in the United States. Patients: The studied population was adults with stage 3 AKI not discharging on dialysis who were established with a primary care provider (PCP) at our institution. Methods: An electronic health record tool was developed prior to implementation to identify AKI survivors. The ACT program encompassed engaging patients in the hospital, delivering education by nephrology-trained nurses before discharge, completing recommended laboratory testing after discharge, and conducting structured kidney-focused follow-up with a pharmacist and a PCP within 7 to 14 days after discharge. Patients could be referred for nephrology evaluation at the discretion of the PCP. Results: Preliminary data demonstrated that most AKI survivors of interest could be identified, educated, and followed up with this model. This strategy appeared feasible, scalable, and maximized the unique expertise of each member of the multidisciplinary team. Limitations: Small sample size, future assessment of process, clinical, and patient-reported outcomes needed. Conclusions: The multidisciplinary ACT workflow supported by clinical decision support was feasible and addressed gaps in existing care transition models. Team-based care delivery in primary care appears to be a mechanism to extend the capacity for kidney health monitoring for AKI survivors.


Contexte: Les patients qui survivent à un épisode d'insuffisance rénale aiguë (IRA) courent un risque plus élevé de mauvais résultats cliniques à court et à long terme. Même chez les patients qui se rétablissent, le risque de progression vers l'insuffisance rénale chronique (IRC) demeure de quatre à six fois plus élevé que chez les patients n'ayant jamais eu d'épisode d'IRA. Il est donc essentiel d'identifier des méthodes permettant d'améliorer la survie à un épisode d'IRA. Objectif: L'objectif de cette étude était de décrire l'élaboration et la faisabilité d'une nouvelle approche multidisciplinaire pour la prise en charge des survivants d'un épisode d'IRA en transition de soins (Approche multidisciplinaire en Transition de Soins­AmTS). Type d'étude: Initiative d'amélioration des processus menée par observation. Cadre: Un seul centre médical universitaire aux États-Unis. Sujets: La population étudiée était constituée d'adultes atteints d'IRA de stade 3 sans traitements de dialyse à leur sortie et qui avaient été mis en contact avec un fournisseur de soins primaires (FSP) dans l'établissement. Méthodologie: Avant la mise en œuvre de l'intervention, un outil de dossier de santé électronique a été développé pour identifier les survivants à un épisode d'IRA. Le programme de l'AmTS comprenait la participation des patients pendant leur séjour à l'hôpital, une formation donnée par des infirmières formées en néphrologie avant le congé, les tests de laboratoire recommandés après la sortie de l'hôpital et un suivi structuré axé sur la santé rénale avec un pharmacien et un FSP dans les 7 à 14 jours suivant la sortie de l'hôpital. Il a été laissé à la discrétion des FSP d'aiguiller ou non leurs patients pour une évaluation en néphrologie. Résultats: Des données préliminaires ont démontré qu'il était possible d'identifier, d'informer et d'assurer le suivi de la plupart des sujets d'intérêt (des survivants à un épisode d'IRA) avec ce modèle. Cette stratégie a semblé réalisable, évolutive et apte à optimiser l'expertise individuelle des membres de l'équipe multidisciplinaire. Limites: Faible taille de l'échantillon; une évaluation future du processus, des résultats cliniques et des résultats rapportés par les patients est nécessaire. Conclusion: Le processus de cette AmTS soutenue par une aide à la prise de décision clinique s'est avéré réalisable et a permis de combler les lacunes des modèles de transition des soins existants. Dans le contexte des soins primaires, la prestation de soins en équipe semble être un mécanisme permettant d'étendre la capacité de surveillance de la santé rénale des survivants à un épisode d'IRA.

9.
Respir Care ; 63(11): 1331-1340, 2018 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-29921605

RESUMO

BACKGROUND: Patients who develop ARDS from medical or traumatic causes typically present after the inciting event has already occurred. Postoperative ARDS is unique in that the inciting insult potentially responsible for ARDS is known ahead of time, which provides an opportunity to study the early pathophysiology of ARDS. The objective of this study was to better understand the early pathophysiology of postoperative ARDS through a temporal analysis of key biomarkers of interest. METHODS: We performed a case-control study of adults undergoing elective thoracic, aortic vascular, or cardiac surgery, which placed them at increased risk of developing postoperative ARDS. Biomarkers were measured at baseline, 2 h, and 6 h after the key intraoperative event believed to be responsible for ARDS. RESULTS: Of the 467 subjects enrolled, 26 developed ARDS and were matched to non-ARDS controls 1:2 based on age, sex, surgical procedure, and surgical lung injury prediction score. Patients with ARDS were more likely to have lower preoperative albumin (P = .029), longer surgery (P = .007), larger amounts of intraoperative fluid (P = .036), and higher intraoperative peak inspiratory pressures (P = .006). Baseline plasminogen activator inhibitor-1 levels were higher in the ARDS group (P = .03). Changes in postoperative biomarker levels from baseline were greater in the ARDS group for interleukin-8 (baseline to 6 h, P = .02) and surfactant protein-D (baseline to 2 h, P = .009). CONCLUSIONS: Our study supported the hypothesis that dysregulated coagulation, inflammation, and epithelial injury are pathophysiologic features of early postoperative ARDS. Interleukin-8, plasminogen activator-1, and surfactant protein-D may help predict development of postoperative ARDS.


Assuntos
Interleucina-8/sangue , Inibidor 1 de Ativador de Plasminogênio/sangue , Proteína D Associada a Surfactante Pulmonar/sangue , Síndrome do Desconforto Respiratório/sangue , Síndrome do Desconforto Respiratório/diagnóstico , Albumina Sérica/metabolismo , Idoso , Aorta/cirurgia , Biomarcadores/sangue , Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Estudos de Casos e Controles , Procedimentos Cirúrgicos Eletivos/efeitos adversos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Duração da Cirurgia , Complicações Pós-Operatórias/etiologia , Período Pós-Operatório , Período Pré-Operatório , Síndrome do Desconforto Respiratório/etiologia , Índice de Gravidade de Doença , Procedimentos Cirúrgicos Vasculares/efeitos adversos
10.
BMJ Open ; 7(8): e016398, 2017 Aug 18.
Artigo em Inglês | MEDLINE | ID: mdl-28821525

RESUMO

INTRODUCTION: The transfusion-related respiratory complications, transfusion-related acute lung injury (TRALI) and transfusion-associated circulatory overload (TACO), are leading causes of transfusion-related morbidity and mortality. At present, there are no effective preventive strategies with red blood cell (RBC) transfusion. Although mechanisms remain incompletely defined, soluble biological response modifiers (BRMs) within the RBC storage solution may play an important role. Point-of-care (POC) washing of allogeneic RBCs may remove these BRMs, thereby mitigating their impact on post-transfusion respiratory complications. METHODS AND ANALYSIS: This is a multicenter randomised clinical trial of standard allogeneic versus washed allogeneic RBC transfusion for adult patients undergoing cardiac surgery testing the hypothesis that POC RBC washing is feasible, safe, and efficacious and will reduce recipient immune and physiologic responses associated with transfusion-related respiratory complications. Relevant clinical outcomes will also be assessed. This investigation will enrol 170 patients at two hospitals in the USA. Simon's two-stage design will be used to assess the feasibility of POC RBC washing. The primary safety outcomes will be assessed using Wilcoxon Rank-Sum tests for continuous variables and Pearson chi-square test for categorical variables. Standard mixed modelling practices will be employed to test for changes in biomarkers of lung injury following transfusion. Linear regression will assess relationships between randomised group and post-transfusion physiologic measures. ETHICS AND DISSEMINATION: Safety oversight will be conducted under the direction of an independent Data and Safety Monitoring Board (DSMB). Approval of the protocol was obtained by the DSMB as well as the institutional review boards at each institution prior to enrolling the first study participant. This study aims to provide important information regarding the feasibility of POC washing of allogeneic RBCs and its potential impact on ameliorating post-transfusion respiratory complications. Additionally, it will inform the feasibility and scientific merit of pursuing a more definitive phase II/III clinical trial. REGISTRATION: ClinicalTrials.gov registration number is NCT02094118 (Pre-results).


Assuntos
Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Transfusão de Eritrócitos/métodos , Eritrócitos , Assistência Perioperatória , Sistemas Automatizados de Assistência Junto ao Leito , Edema Pulmonar/prevenção & controle , Insuficiência Respiratória/prevenção & controle , Adolescente , Adulto , Transfusão de Eritrócitos/efeitos adversos , Feminino , Humanos , Fatores Imunológicos/efeitos adversos , Pulmão , Masculino , Edema Pulmonar/etiologia , Projetos de Pesquisa , Insuficiência Respiratória/etiologia
11.
J Thorac Cardiovasc Surg ; 144(5): 1229-34, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-22770549

RESUMO

OBJECTIVE: Ventricular fibrillation occurs commonly after aortic crossclamping in patients undergoing cardiac surgery. Ventricular fibrillation increases myocardial oxygen consumption, and defibrillation may harm the myocardium. Thus, a pharmacologic approach to decreasing the incidence of ventricular fibrillation or the number of shocks required may be beneficial. The goal of this study was to evaluate whether amiodarone or lidocaine was superior to placebo for the prevention of ventricular fibrillation after aortic crossclamping in patients undergoing a variety of cardiac surgical procedures. METHODS: Patients undergoing cardiac surgery requiring aortic crossclamping were randomized to receive lidocaine 1.5 mg/kg, amiodarone 300 mg, or placebo before aortic crossclamp removal The primary outcomes were the incidence of ventricular fibrillation and the number of shocks required to terminate ventricular fibrillation. RESULTS: A total of 342 patients completed the trial. On multivariate analysis, there was no difference in the incidence of ventricular fibrillation among treatment groups. The number of required shocks was categorized as 0, 1 to 3, and greater than 3. On multivariate analysis, patients receiving amiodarone required fewer shocks to terminate ventricular fibrillation (odds ratio, 0.51; 95% confidence interval, 0.31-0.83; P = .008 vs placebo). There was no difference between lidocaine and placebo in the number of required shocks (odds ratio, 0.86; 95% confidence interval, 0.52-1.41; P = .541). CONCLUSIONS: In patients undergoing a variety of cardiac surgical procedures, neither amiodarone nor lidocaine reduced the incidence of ventricular fibrillation. Amiodarone decreased the number of shocks required to terminate ventricular fibrillation.


Assuntos
Amiodarona/uso terapêutico , Antiarrítmicos/uso terapêutico , Aorta/cirurgia , Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Lidocaína/uso terapêutico , Fibrilação Ventricular/prevenção & controle , Idoso , Distribuição de Qui-Quadrado , Constrição , Método Duplo-Cego , Cardioversão Elétrica , Feminino , Humanos , Incidência , Modelos Logísticos , Masculino , Pessoa de Meia-Idade , Minnesota , Análise Multivariada , Razão de Chances , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Fibrilação Ventricular/etiologia , Fibrilação Ventricular/terapia
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