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Saetang M, Rewurai N, Oofuvong M, Chanchayanon T, Packawatchai P, Khunpanich P. Preoperative Modified Frailty Index-11 versus EuroSCORE II in Predicting Postoperative Mortality and Complications in Elderly Patients Who Underwent Elective Open Cardiac Surgery: A Retrospective Cohort Study. J Cardiothorac Vasc Anesth 2024:S1053-0770(24)00537-8. [PMID: 39218762 DOI: 10.1053/j.jvca.2024.08.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 07/10/2024] [Accepted: 08/09/2024] [Indexed: 09/04/2024]
Abstract
OBJECTIVE To compare sensitivity, specificity, receiver operating characteristic (ROC), and area under the curve (AUC) values using the modified Frailty Index 11 (mFI-11), EuroSCORE II, and combined mFI-11 and EuroSCORE II to predict in-hospital mortality and composite morbidities. DESIGN Retrospective cohort study SETTING: Songklanagarind Hospital, a tertiary care center in southern Thailand. PARTICIPANTS Elderly patients age ≥60 years who underwent elective open-heart surgical procedures on a pump between January 2017 and December 2022 were included. INTERVENTIONS ROC curves were constructed to evaluate the discriminatory power of EuroSCORE II and mFI-11 for predicting in-hospital mortality and postoperative complications. MEASUREMENTS AND MAIN RESULTS The actual in-hospital mortality was 2.5% for all patients. The discriminative accuracy of mFI-11, EuroSCORE II, and combined mFI-11 with EuroSCORE II for predicting in-hospital mortality was good, with respective AUC values of 0.733 (95% confidence interval [CI], 0.6157-0.8499), 0.793 (95% CI, 0.6826-0.9026), and 0.78 (95% CI, 0.6686-0.893). The AUC of mFI-11 for predicting postoperative cardiac, respiratory, neurologic, and renal complications was 0.558 (95% CI, 0.5101-0.6063), 0.606 (95% CI, 0.5542-0.6581), 0.543 (95% CI, 0.4533-0.6337), and 0.652 (95% CI, 0.5859-0.7179), respectively, and that of EuroSCORE II was 0.553 (95% CI, 0.5038-0.6013), 0.631 (95% CI, 0.578-0.6836), 0.619 (95% CI, 0.5306-0.7076), and 0.702 (95% CI, 0.6378-0.7657), respectively. CONCLUSIONS The mFI-11 and EuroSCORE II demonstrated good discrimination in ROC analysis, with EuroSCORE II showing superior predictive accuracy for in-hospital mortality in elderly elective cardiac surgery patients. However, neither score independently predicted mortality in multiple logistic regression, nor did combining them enhance predictive power significantly. Furthermore, both scores were less effective in predicting postoperative complications.
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Affiliation(s)
- Mantana Saetang
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat-Yai, Songkhla, Thailand.
| | - Nichakan Rewurai
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat-Yai, Songkhla, Thailand
| | - Maliwan Oofuvong
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat-Yai, Songkhla, Thailand
| | - Thavat Chanchayanon
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat-Yai, Songkhla, Thailand
| | - Patrapon Packawatchai
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat-Yai, Songkhla, Thailand
| | - Ploychanok Khunpanich
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hat-Yai, Songkhla, Thailand
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Drăgan A, Sinescu I. AKI3-Risk Predictors and Scores in Radical Nephrectomy with High Thrombectomy under Extracorporeal Circulation for Renal Cell Carcinoma with Supradiaphragmatic Inferior Vena Cava/Right Atrial Thrombus: A Single-Centre Retrospective Study. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59020386. [PMID: 36837587 PMCID: PMC9962973 DOI: 10.3390/medicina59020386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/10/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023]
Abstract
Background and Objectives: The recommended therapeutic management in renal cell carcinoma (RCC) with supradiaphragmatic inferior vena cava/right atrial thrombus (IVC/RA) is surgery. Extracorporeal circulation is required. Acute kidney injury (AKI), a frequent complication after nephrectomy and cardiac surgery is associated with long-term kidney disease. This study aims to identify the risk factors involved in the occurrence of the severe postoperative AKI (AKI3) and to analyse various preoperative validated risk scores from cardiac and noncardiac surgery in predicting this endpoint. Materials and Methods: The medical data of all patients with RCC with supradiaphragmatic IVC/RA thrombus who underwent radical nephrectomy with high thrombectomy, using extracorporeal circulation, between 2004-2018 in the Prof. C. C. Iliescu Emergency Institute for Cardiovascular Diseases, Bucharest, were retrospectively analysed. The patients who died intraoperatively were excluded from the study. The predefined study endpoint was the postoperative AKI3. Preoperative, intraoperative and postoperative data were collected according to the stratification of study population in two subgroups: AKI3-present and AKI3- absent patients. EuroSCORE, EuroSCORE II, Logistic EuroSCORE, NSQIP any-complications and NSQIP serious-complications were analysed. Results: We reviewed 30 patients who underwent this complex surgery between 2004-2018 in our institute. Two patients died intraoperatively. Nine patients (32.14%) presented postoperative AKI3. Age (OR 1.151, CI 95%: 1.009-1.312), preoperative creatinine clearance (OR 1.066, CI 95%: 1.010-1.123) and intraoperative arterial hypotension (OR 13.125, CI 95%: 1.924-89.515) were risk factors for AKI3 (univariable analysis). Intraoperative arterial hypotension emerged as the only independent risk factor in multivariable analysis (OR 11.66, CI 95%: 1.400-97.190). Logistic EuroSCORE (ROC analysis: AUC = 0.813, p = 0.008, CI 95%: 0.633-0.993) best predicted the endpoint. Conclusions: An integrated team effort is essential to avoid intraoperative arterial hypotension, the only independent risk factor of AKI3 in this highly complex surgery. Some risk scores can predict this complication. Further studies are needed.
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Affiliation(s)
- Anca Drăgan
- Department of Cardiovascular Anaesthesiology and Intensive Care, Prof. C. C. Iliescu Emergency Institute for Cardiovascular Diseases, 258 Fundeni Road, 022328 Bucharest, Romania
- Correspondence:
| | - Ioanel Sinescu
- Department of Urological Surgery, Dialysis and Kidney Transplantation, Fundeni Clinical Institute, 258 Fundeni Road, 022328 Bucharest, Romania
- Department of Uronephrology, “Carol Davila” University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania
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Sanders J, Makariou N, Tocock A, Magboo R, Thomas A, Aitken LM. OUP accepted manuscript. Eur J Cardiovasc Nurs 2022; 21:655-664. [PMID: 35171231 DOI: 10.1093/eurjcn/zvac003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/20/2021] [Accepted: 01/11/2022] [Indexed: 11/13/2022]
Affiliation(s)
- Julie Sanders
- St Bartholomew's Hospital, Barts Health NHS Trust, West Smithfield, London EC1A 7DN, UK
- William Harvey Research Institute, Queen Mary University of London, Charterhouse Square, London, UK
| | - Nicole Makariou
- Barts and the London Medical School, Queen Mary University of London, Charterhouse Square, London, UK
| | - Adam Tocock
- Knowledge and Library Services, St Bartholomew's Hospital, Barts Health NHS Trust, West Smithfield, London, UK
| | - Rosalie Magboo
- William Harvey Research Institute, Queen Mary University of London, Charterhouse Square, London, UK
- Critical Care, St Bartholomew's Hospital, Barts Health NHS Trust, West Smithfield, London, UK
| | - Ashley Thomas
- William Harvey Research Institute, Queen Mary University of London, Charterhouse Square, London, UK
- Critical Care, St Bartholomew's Hospital, Barts Health NHS Trust, West Smithfield, London, UK
| | - Leanne M Aitken
- School of Health Sciences, City, University of London, Northampton Square, London, UK
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Franzotti SADS, Sloboda DA, Silva JR, Souza EAS, Reboreda JZ, Ferretti-Rebustini REDL, Nogueira LDS. Performance of Severity Indices to Estimate Postoperative Complications of Myocardial Revascularization. Arq Bras Cardiol 2020; 115:452-459. [PMID: 33027367 PMCID: PMC9363080 DOI: 10.36660/abc.20190120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 09/10/2019] [Indexed: 01/15/2023] Open
Abstract
Fundamento Os pacientes em pós-operatório (PO) de cirurgia de revascularização miocárdica (CRM) internados em unidade de terapia intensiva (UTI) apresentam risco de complicações que aumentam o tempo de permanência e a morbimortalidade. Portanto, é fundamental o reconhecimento precoce desses riscos para otimizar estratégias de prevenção e desfecho clínico satisfatório. Objetivo Analisar o desempenho de índices de gravidade na predição de complicações em pacientes no PO de CRM durante a permanência na UTI. Métodos Estudo transversal, com análise retrospectiva de prontuários eletrônicos de pacientes com idade ≥ 18 anos submetidos à CRM isolada e admitidos na UTI de um hospital cardiológico, em São Paulo, Brasil. As áreas sob as curvas receiver operating characteristic (AUC) com intervalo de confiança de 95% foram analisadas para verificar a acurácia dos índices European System for Cardiac Operative Risk Evaluation (EuroScore), Acute Physiology and Chronic Health Evaluation (APACHE II), Simplified Acute Physiology Score (SAPS II) e Sequential Organ Failure Assessment (SOFA) na predição de complicações. Resultados A casuística foi composta por 366 pacientes (64,58±9,42 anos; 75,96% sexo masculino). As complicações identificadas foram respiratórias (24,32%), cardiológicas (19,95%), neurológicas (10,38%), hematológicas (10,38%), infecciosas (6,56%) e renais (3,55%). O APACHE II apresentou satisfatório desempenho para a predição de complicações neurológicas (AUC 0,72) e renais (AUC 0,78). Conclusão O APACHE II se destacou na previsão das complicações neurológicas e renais. Nenhum dos índices teve bom desempenho na predição das outras complicações analisadas. Portanto, os índices de gravidade não devem ser utilizados indiscriminadamente com o objetivo de predizer todas as complicações frequentemente apresentadas por pacientes após CRM. (Arq Bras Cardiol. 2020; 115(3):452-459)
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Affiliation(s)
| | | | - Juliana Rosendo Silva
- Universidade de São Paulo Faculdade de Medicina Hospital das Clínicas Instituto do Coração, São Paulo, SP - Brasil
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Pereira KMFSM, de Assis CS, Cintra HNWL, Ferretti-Rebustini REL, Püschel VAA, Santana-Santos E, Rodrigues ARB, de Oliveira LB. Factors associated with the increased bleeding in the postoperative period of cardiac surgery: A cohort study. J Clin Nurs 2018; 28:850-861. [PMID: 30184272 DOI: 10.1111/jocn.14670] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 08/23/2018] [Accepted: 08/28/2018] [Indexed: 10/28/2022]
Abstract
AIMS AND OBJECTIVES To identify factors associated with the increased bleeding in patients during the postoperative period after cardiac surgery. BACKGROUND Bleeding is among the most frequent complications that occur in the postoperative period after cardiac surgery, representing one of the major factors in morbidity and mortality. Understanding the factors associated with the increased bleeding may allow nurses to anticipate and prioritise care, thus reducing the mortality associated with this complication. DESIGN Prospective cohort study. METHODS Adult patients in a cardiac hospital who were in the postoperative period following cardiac surgery were included. Factors associated with the increased bleeding were investigated by means of linear regression, considering time intervals of 6 and 12 hr. RESULTS The sample comprised 391 participants. The factors associated with the increased bleeding in the first 6 hr were male sex, body mass index, cardiopulmonary bypass duration, anoxia duration, metabolic acidosis, higher heart rate, platelets and the activated partial thromboplastin time in the postoperative period. Predictors in the first 12 hr were body mass index, cardiopulmonary bypass duration, metabolic acidosis, higher heart rate, platelets and the activated partial thromboplastin time in the postoperative. CONCLUSIONS This study identified factors associated with the increased postoperative bleeding from cardiac surgery that have not been reported in previous studies. The nurse is important in the vigilance, evaluation and registry of chest tube drainage and modifiable factors associated with the increased bleeding, such as metabolic acidosis and postoperative heart rate, and in discussions with the multiprofessional team. RELEVANCE TO CLINICAL PRACTICE Knowledge of the factors associated with the increased bleeding is critical for nurses so they can provide prophylactic interventions and early postoperative treatment when needed.
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Affiliation(s)
- Kárla M F S M Pereira
- Heart Institute, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Caroline S de Assis
- Heart Institute, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Haulcionne N W L Cintra
- Heart Institute, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | | | - Vilanice A A Püschel
- Medical-Surgical Nursing Department, Escola de Enfermagem da Universidade de Sao Paulo, SP, BR
| | | | - Adriano Rogério B Rodrigues
- Heart Institute, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR
| | - Larissa B de Oliveira
- Heart Institute, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR.,Medical-Surgical Nursing Department, Escola de Enfermagem da Universidade de Sao Paulo, SP, BR.,Nursing Department, Sociedade de Cardiologia do Estado de Sao Paulo, SP, BR
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Silva ABV, Cavalcante AMRZ, Taniguchi FP. Survival and Risk Factors Among Dialytic Acute Kidney Injury Patients After Cardiovascular Surgery. Braz J Cardiovasc Surg 2018; 33:277-285. [PMID: 30043921 PMCID: PMC6089131 DOI: 10.21470/1678-9741-2017-0184] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 03/15/2018] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE Acute kidney injury (AKI) is a frequent postoperative complication after cardiovascular surgery. It has been described as a predictor of decreased survival rates, but how dialysis decreases survival when initiated on the postoperative period has yet to be determined. To analyze the survival of patients who presented postoperative AKI requiring dialysis up to 30 days after cardiovascular surgery and its risk factors is the aim of this study. METHODS Of the 5,189 cardiovascular surgeries performed in a 4-year period, 157 patients developed AKI requiring dialysis in the postoperative period. The Kaplan-Meier survival curve and log-rank test were used in the statistical analysis to compare the curves of categorical variables. P-value< 0.05 was considered significant. RESULTS Patient average survival was 546 days and mortality was 70.7%. The need for dialysis on the postoperative period decreased late survival. Risk factors for decreased survival included age (P<0.001) and postoperative complications (P<0.0003). CONCLUSION The average survival was approximately one year among dialytic patients. Age and postoperative complications were risk factors that determined decreased survival.
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Oh TK, Park YM, Song IA, Park SH. Association of Low Blood Pressure, Low Bispectral Index and Low Minimum Alveolar Concentration of Anaesthetic during Surgery with Postoperative 30-day Mortality: A Systemic Review and Meta-Analysis. Turk J Anaesthesiol Reanim 2018; 45:346-352. [PMID: 29359074 DOI: 10.5152/tjar.2017.47154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 09/05/2017] [Indexed: 11/22/2022] Open
Abstract
Objective The triple low state [low mean arterial pressure, low bispectral index (BIS) and a low minimum alveolar concentration (MAC)] fraction of anaesthetic during surgery) has been a controversial subject of interest in clinical practise. Previous retrospective studies have produced different conclusions on the association between a triple low state and postoperative 30-day mortality. This study was a systematic review of previous studies on the effects of the triple low state on postoperative 30-day mortality and a meta-analysis with a sample size larger than that of previous studies. Methods After searching for relevant articles in the PubMed database as on 27 March 2017, we included studies that compared postoperative 30-day mortality between triple low and non-triple low groups. The identified articles were subjected to an initial screening using keywords 'low bispectral index', 'intraoperative hypotension' and 'low minimum alveolar concentration' according to the PRISMA Flow diagram (2009). After a full-text review, appropriate studies were finally included in our meta-analysis. All statistical analyses were performed using the R programme 3.3.2 and meta packages. Results Three retrospective cohort studies were included in the meta-analysis. The total number of subjects in the triple low and non-triple low groups was 29,402 and 17,428, respectively; the sample size was 46,830. We derived a hazard ratio (HR) of 1.09 [95% confidence interval (CI), 1.07-1.11)] for the fixed effect model and of 1.30 (95% CI, 1.04-1.07) for the random effect model. In the analysis of heterogeneity among the three studies, I2=95% was obtained (P<0.01). Thus, the values obtained from the random effect model were used; HR was 1.30 for the triple low group, indicating a 30% increase in the overall 30-day mortality. Conclusion The present study demonstrated that patients exposed to the triple low state exhibit higher 30-day mortality rates than those not exposed to the triple low state.
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Affiliation(s)
- Tak Kyu Oh
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Young Mi Park
- Medical Research Collaborating Center, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea
| | - In Ae Song
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sang Hon Park
- Division of Intensive Care Medicine, Sheikh Khalifa Specialty Hospital, Ras Al Khaimah, United Arab Emirates
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Borracci RA, Rubio M, Baldi J, Barisani JL. Risk of de novo dialysis after elective cardiac surgery according to preoperative renal dysfunction. Interact Cardiovasc Thorac Surg 2018; 26:47-53. [PMID: 29049688 DOI: 10.1093/icvts/ivx271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 07/11/2017] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES The aim was to estimate the risk of dialysis postoperative de novo dialysis in patients undergoing elective cardiac surgery, according to varying degrees of pre-existing renal dysfunction, and to compare the outcomes with the expected prevalence of dialysis based on several risk scores. METHODS A retrospective analysis was performed over a 5-year period (2012-16) from a series of 1332 adult patients who underwent elective cardiac surgery. Patients were divided into 3 estimated creatinine clearance (eCrCl) groups: eCrCl >60 ml/min, eCrCl from 50 ml/min to 60 ml/min and eCrCl ≤49 ml/min. The primary outcome was any renal failure requiring first-time dialysis during the postoperative hospital stay. The expected risk for postoperative dialysis was calculated with 3 predictive scores: the Society of Thoracic Surgeons Bedside Risk Tool, the Cleveland Clinic Score and the Simplified Renal Index. The global accuracy of eCrCl and the different scores was evaluated in terms of calibration and discrimination. RESULTS In the overall population, 26.6% of patients presented moderate or severe pre-existing renal dysfunction, and the need for de novo dialysis varied from 0.6% to 5.0% depending on the degree of preoperative eCrCl (P < 0.0001). Preoperative renal dysfunction with eCrCl <50 ml/min was associated with nearly 8-fold increase of risk for postoperative dialysis; eCrCl between 50 ml/min and 60 ml/min showed a 2-fold increase, though this last difference did not reach statistical significance. CONCLUSIONS In elective cardiac surgery, isolated preoperative eCrCl seemed to be an accurate indicator of risk for postoperative de novo dialysis. More complex models did not provide additional information to stratify that risk.
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Affiliation(s)
- Raul A Borracci
- Department of Cardiac Surgery, School of Medicine, Hospital de Clinicas, Buenos Aires University, Buenos Aires, Argentina
| | - Miguel Rubio
- Department of Cardiac Surgery, School of Medicine, Hospital de Clinicas, Buenos Aires University, Buenos Aires, Argentina
| | - Julio Baldi
- Department of Cardiac Surgery, School of Medicine, Hospital de Clinicas, Buenos Aires University, Buenos Aires, Argentina
| | - Jose L Barisani
- Department of Cardiac Surgery, School of Medicine, Hospital de Clinicas, Buenos Aires University, Buenos Aires, Argentina
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Oliveira LBD, Rodrigues ARB, Püschel VADA, Silva FAD, Conceição SLD, Béda LB, Fidelis B, Santana-Santos E, Secoli SR. Avaliação da carga de trabalho no pós-operatório de cirurgia cardíaca segundo o Nursing Activities Score. Rev Esc Enferm USP 2015; 49 Spec No:80-6. [DOI: 10.1590/s0080-623420150000700012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 07/31/2015] [Indexed: 11/21/2022] Open
Abstract
RESUMO Objetivo Identificar os fatores associados à carga de trabalho de enfermagem no cuidado a pacientes no pós-operatório de cirurgia cardíaca. Método Estudo de coorte prospectivo, conduzido com 187 pacientes da Unidade de Terapia Intensiva Cirúrgica (UTI) do Instituto do Coração. Os dados foram coletados nas primeiras 24 e 72 horas do paciente na UTI. A variável dependente foi a carga de trabalho calculada por meio do Nursing Activities Score (NAS) e as independentes foram de natureza demográfico-clínicas e escores de morbimortalidade. Para análise dos dados utilizou-se os testes de Wilcoxon-Mann-Whitney e de correlação de Spearman, e a regressão linear com modelo de efeitos mistos. Resultados A maioria dos pacientes era do sexo masculino (59,4%), com média de idade de 61 anos (±12,7) e 43,9% desenvolveram algum tipo de complicação no pós-operatório. Nas 24 horas, a carga de trabalho foi de 82,4% (±3,4) e foi de 58,1% (±3,4) nas 72 horas. Os fatores associados ao aumento do NAS foram: tempo de internação do paciente na UTI (p=0,036) e a presença de complicações (p<0,001). Conclusão A gravidade do paciente nas 24 horas, em oposição a inúmeros estudos, não influenciou no aumento da carga de trabalho, a qual se mostrou associada ao tempo de internação e às complicações.
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