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1.
PLoS One ; 19(5): e0303631, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38820491

RESUMO

BACKGROUND: Very little information is currently available on the use and outcomes of venovenous bypass (VVB) in liver transplantation (LT) in adults in Australia. In this study, we explored the indications, intraoperative course, and postoperative outcomes of patients who underwent VVB in a high-volume LT unit. METHODS: The study was a single-center, retrospective observational case series of adult patients who underwent VVB during LT at Austin Health in Melbourne, Australia between March 2008 and March 2022. Information on baseline preoperative status and intraoperative variables, including specific VVB characteristics as well as postoperative and VVB-related complications was collected. The lengths of intensive care unit and hospital stays as well as intraoperative and in-hospital mortality were recorded. RESULTS: Of the 900 LTs performed at this center during the aforementioned 14-year period, 27 (3%) included a VVB procedure. VVB was performed electively in 16 of these 27 patients (59.3%) and as a rescue technique to control massive bleeding in the other 11 (40.1%). The median (interquartile range [IQR]) age of those who underwent VVB procedures was 48 (39-55) years; the median age was 56 (47-62) years in the non-VVB group (p<0.0001). The median model for end-stage liver disease (MELD) scores were similar between the two patient groups. Complete blood data was available for 622 non-VVB patients. Twenty-six VVB (96.3%) and 603 non-VVB (96.9%) patients required intraoperative blood transfusions. The median (IQR) number of units of packed red blood cells transfused was 7 (4.8-12.5) units in the VVB group compared to 3.0 units (1.0-6.0) in the non-VVB group (p<0.0001). Inpatient mortality was 18.5% and 1.1% for the VVB and non-VVB groups, respectively (p<0.0001). There were no significant differences in length of hospital stay or incidence of acute kidney injury, primary graft dysfunction, or long-term graft failure between the two groups. Patients in the VVB group experienced a higher rate of postoperative non-anastomotic biliary stricture compared to patients in the non-VVB group (33% and 7.9%, respectively; p = 0.0003). CONCLUSIONS: VVB continues to play a vital role in LT. This case series highlights the heightened risk of major complications linked to VVB. However, the global transition to selective use of VVB underscores the urgent need for collaborative multi-center studies designed to address outstanding questions and parameters related to the safe implementation of this procedure.


Assuntos
Transplante de Fígado , Complicações Pós-Operatórias , Humanos , Transplante de Fígado/efeitos adversos , Pessoa de Meia-Idade , Masculino , Feminino , Adulto , Estudos Retrospectivos , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/epidemiologia , Tempo de Internação , Mortalidade Hospitalar , Transplantados/estatística & dados numéricos , Austrália/epidemiologia
2.
BMJ Open ; 14(5): e078125, 2024 May 16.
Artigo em Inglês | MEDLINE | ID: mdl-38760041

RESUMO

INTRODUCTION: Extrapleural pneumonectomy (EPP) and extended pleurectomy/decortication (ePD) are surgical cytoreductive techniques aimed at achieving macroscopic resection in malignant pleural tumours such as pleural mesothelioma, non-mesothelioma pleural malignancies such as thymoma and sarcoma, and rarely for pleural tuberculosis, in a more limited fashion. Despite extensive studies on both surgical techniques and consequences, a significant knowledge gap remains regarding how best to approach the perioperative anaesthesia challenges for EPP and ePD.It is unknown if the risk stratification processes for such surgeries are standardised or what types of functional and dynamic cardiac and pulmonary tests are employed preoperatively to assist in the perioperative risk stratification. Further, it is unknown whether the types of anaesthesia and analgesia techniques employed, and the types of haemodynamic monitoring tools used, impact on outcomes. It is also unknown whether individualised haemodynamic protocols are used to guide the rational use of fluids, vasoactive drugs and inotropes.Finally, there is a dearth of evidence regarding how best to monitor these patients postoperatively or what the most effective enhanced recovery protocols are to best mitigate postoperative complications and accelerate hospital discharge. To increase our knowledge of the perioperative and anaesthetic treatment for patients undergoing EPP/ePD, this scoping review attempts to synthesise the literature and identify these knowledge gaps. METHODS AND ANALYSIS: This scoping review will be conducted in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis Extension for Scoping Review Protocols methodology. Electronic databases, OVID Medline, EMBASE and the Cochrane Library, will be systematically searched for relevant literature corresponding to EPP or ePD and perioperative or anaesthetic management. Data will be analysed and summarised descriptively and organised according to the three perioperative stages: preoperative, intraoperative and postoperative factors in clinical care. ETHICS AND DISSEMINATION: Ethics approval was not required. The findings will be disseminated through professional networks, conference presentations and publications in scientific journals.


Assuntos
Anestesia , Assistência Perioperatória , Pleura , Pneumonectomia , Humanos , Pneumonectomia/métodos , Anestesia/métodos , Pleura/cirurgia , Assistência Perioperatória/métodos , Neoplasias Pleurais/cirurgia , Complicações Pós-Operatórias/prevenção & controle
3.
Eur J Med Res ; 28(1): 291, 2023 Aug 18.
Artigo em Inglês | MEDLINE | ID: mdl-37596670

RESUMO

BACKGROUND: Several extracorporeal carbon dioxide removal (ECCO2R) devices are currently in use with variable efficacy and safety profiles. PrismaLung+ is an ECCO2R device that was recently introduced into clinical practice. It is a minimally invasive, low flow device that provides partial respiratory support with or without renal replacement therapy. Our aim was to describe the clinical characteristics, efficacy, and safety of PrismaLung+ in patients with acute hypercapnic respiratory failure. METHODS: All adult patients who required ECCO2R with PrismaLung+ for hypercapnic respiratory failure in our intensive care unit (ICU) during a 6-month period between March and September 2022 were included. RESULTS: Ten patients were included. The median age was 55.5 (IQR 41-68) years, with 8 (80%) male patients. Six patients had acute respiratory distress syndrome (ARDS), and two patients each had exacerbations of asthma and chronic obstructive pulmonary disease (COPD). All patients were receiving invasive mechanical ventilation at the time of initiation of ECCO2R. The median duration of ECCO2R was 71 h (IQR 57-219). A significant improvement in pH and PaCO2 was noted within 30 min of initiation of ECCO2R. Nine patients (90%) survived to weaning of ECCO2R, eight (80%) survived to ICU discharge and seven (70%) survived to hospital discharge. The median duration of ICU and hospital stays were 14.5 (IQR 8-30) and 17 (IQR 11-38) days, respectively. There were no patient-related complications with the use of ECCO2R. A total of 18 circuits were used in ten patients (median 2 per patient; IQR 1-2). Circuit thrombosis was noted in five circuits (28%) prior to reaching the expected circuit life with no adverse clinical consequences. CONCLUSION(S): PrismaLung+ rapidly improved PaCO2 and pH with a good clinical safety profile. Circuit thrombosis was the only complication. This data provides insight into the safety and efficacy of PrismaLung+ that could be useful for centres aspiring to introduce ECCO2R into their clinical practice.


Assuntos
Líquidos Corporais , Terapia de Substituição Renal Contínua , Insuficiência Respiratória , Adulto , Humanos , Masculino , Pessoa de Meia-Idade , Feminino , Estado Terminal/terapia , Dióxido de Carbono , Diálise Renal
4.
BMJ Open ; 13(7): e072293, 2023 07 18.
Artigo em Inglês | MEDLINE | ID: mdl-37463807

RESUMO

INTRODUCTION: Continually rising life expectancy and a shift towards an ageing population are resulting in an increasing population of nonagenarians. By 2030, the global population of nonagenarians is expected to exceed 30 million. The incidence of symptomatic cardiac disease is reported to occur in 25% of those aged over 75 years. Therefore, the number of nonagenarians undergoing cardiac surgery is also expected to increase. A linear relationship between advanced age and surgical risk has previously been demonstrated; however, it is not yet known whether this knowledge extends to the perioperative course and mortality of nonagenarians undergoing cardiac surgery. This scoping review aims to review the literature, assess whether a deficiency exists in the published literature and potentially identify knowledge gaps to guide future efforts to improve the understanding of nonagenarians undergoing cardiac surgery. METHODS AND ANALYSIS: Following the relevant aspects of the Preferred Reporting Items for Systematic Review and Meta-Analysis Extension for Scoping Review guidelines, electronic databases of MEDLINE, EMBASE and the Cochrane Library will be systematically searched, with additional reference tracking of eligible studies. Studies reporting the outcomes of nonagenarians undergoing open cardiac surgery or minimally invasive cardiac surgery requiring cardiopulmonary bypass will be included. Screening and data extraction will be performed by two reviewers independently. The data will be analysed and summarised descriptively with a narrative approach. Qualitative data that capture quality-of-life outcomes will be subjected to thematic analysis where feasible. Additionally, reporting results will highlight similarities and differences in nonagenarian selection for surgery. ETHICS AND DISSEMINATION: Ethics approval was not required. The findings will be disseminated through professional networks, conference presentations and publications in scientific journals.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Cardiopatias , Idoso de 80 Anos ou mais , Humanos , Idoso , Nonagenários , Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Cardiopatias/epidemiologia , Cardiopatias/cirurgia , Qualidade de Vida , Procedimentos Cirúrgicos Minimamente Invasivos , Projetos de Pesquisa , Revisões Sistemáticas como Assunto , Metanálise como Assunto
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