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1.
Surg Res Pract ; 2024: 1807241, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38910604

RESUMO

Background: This systematic review examines the occurrence and implications of resistance to primary antiplatelet agents, aspirin and clopidogrel, often utilised in patients undergoing coronary artery bypass grafting (CABG), alongside the methodologies for assessment of such resistance. Methods: An extensive literature search across various databases such as PubMed, MEDLINE via Ovid, Embase, and Cochrane CENTRAL until May 2024 was conducted to identify studies evaluating antiplatelet resistance in on-pump and off-pump CABG patients. Following quality assessment, only high-quality studies were incorporated into this review. Results: This review included 19 studies with 3,915 patients, four of which were randomised controlled trials and 15 were observational studies. Aspirin resistance incidence ranged from 11.0% to 51.5%, while clopidogrel resistance was 22%. Antiplatelet resistance, assessed through a wide variety of methods, was associated with a 13 times increase in the risk of vein graft occlusion and increased rates of mortality, myocardial infarction, and target vessel revascularisation in the case of clopidogrel resistance. The effect of cardiopulmonary bypass on antiplatelet resistance remains ambiguous. Conclusion: The academic literature lacks a standardised definition for antiplatelet resistance. Assessment methodologies greatly vary, leading to noninterchangeable outcomes. While aspirin resistance has a conflicting overall significant impact on adverse outcomes, clopidogrel resistance correlates with poorer clinical outcomes.

2.
Eur J Cardiothorac Surg ; 53(2): 342-347, 2018 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-28958031

RESUMO

OBJECTIVES: As the practice of video-assisted thoracoscopic surgery (VATS) lobectomy gains widespread acceptance, the complexity of procedures attempted increases and the stage of tumour that may be safely approached remains controversial. We examined the impact of nodal involvement with respect to perioperative outcomes after VATS lobectomy. METHODS: All patients listed for VATS lobectomy for non-small-cell lung cancer at our institution from 2012 to 2016 were analysed. Bronchoplastic or chest wall resections and tumours over 7 cm were considered a contraindication to a thoracoscopic approach. RESULTS: Of the 489 patients identified, 97 (19.8%) patients had pathological nodal involvement. The overall conversion rate was 6.1%, reoperation rate was 5.3% and readmission rate was 5.9%. Median hospital stay was 5 days, 30-day mortality was 0.6% and 90-day mortality was 1.6%. No significant difference was identified between the nodal-negative or -positive groups in terms of preoperative demographics, hospital stay, postoperative complications, conversion rate, reoperation rate or readmission rate. Univariate logistic regression identified gender, Thoracoscore, dyspnoea score, performance status, chronic obstructive pulmonary disease, previous stroke, preoperative lung function and non-adenocarcinoma as predictors of postoperative complications. A multivariate model including nodal status identified Thoracoscore (odds ratio 1.57, 95% confidence interval 1.16-2.18; P < 0.001) and preoperative transfer factor (odds ratio 0.97, 95% confidence interval 0.96-0.98; P < 0.001) as the only predictors of complications. CONCLUSIONS: In non-small-cell lung cancer patients with pathological hilar or mediastinal lymph node involvement, VATS lobectomy can be safely performed, as there does not appear to be an adverse effect on the incidence of perioperative complications, length of stay or readmissions.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Neoplasias Pulmonares , Linfonodos/patologia , Pneumonectomia , Cirurgia Torácica Vídeoassistida , Idoso , Carcinoma Pulmonar de Células não Pequenas/epidemiologia , Carcinoma Pulmonar de Células não Pequenas/mortalidade , Carcinoma Pulmonar de Células não Pequenas/patologia , Carcinoma Pulmonar de Células não Pequenas/cirurgia , Feminino , Humanos , Tempo de Internação , Neoplasias Pulmonares/epidemiologia , Neoplasias Pulmonares/mortalidade , Neoplasias Pulmonares/patologia , Neoplasias Pulmonares/cirurgia , Masculino , Pessoa de Meia-Idade , Pneumonectomia/efeitos adversos , Pneumonectomia/mortalidade , Complicações Pós-Operatórias , Estudos Retrospectivos , Cirurgia Torácica Vídeoassistida/efeitos adversos , Cirurgia Torácica Vídeoassistida/mortalidade
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