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1.
J Bronchology Interv Pulmonol ; 30(1): 37-46, 2023 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-35318996

RESUMO

BACKGROUND: Careful selection of patients with expiratory central airway collapse (ECAC) that may benefit from tracheobronchoplasty (TBP) can be aided by a short-term airway stent evaluation. This can be performed with either silicone Y-stents (SYSs) or uncovered self-expanding metallic airway-stents (USEMAS). No direct comparison has been made between these 2 stent types. METHODS: This was a small retrospective review of consecutive patients that underwent a stent evaluation. A propensity score was used to match patients in the USEMAS and SYS groups. Outcomes included complications, changes in the health-related quality-of-life (HR-QoL), and changes in exercise capacity. Baseline measurements were compared with those obtained during stent evaluation and after TBP. RESULTS: Forty-two patients with severe ECAC underwent USEMAS placement, while 18 patients had an SYS placed. Propensity score matching resulted in 13 matched SYS and USEMAS pairs. The SYS group had an increased rate of mucus plugging (38.5% vs. 0%, P <0.047). Although not statically significant, a clinical improvement was observed in HR-QoL and exercise capacity in the USEMAS group during stent placement. In patients who underwent TBP, both USEMAS and SYS groups had a statistically significant change in the Modified Medical Research Council Dyspnea Scale during stent evaluation and after TBP. CONCLUSION: In patients with severe ECAC, short-term evaluation with airway stents appears to be safe and improves respiratory symptoms, HR-QoL, and exercise capacity. The use of USEMAS led to a lower complication rate, a greater improvement in HR-QoL and exercise capacity, and appeared to better predict how the patients would respond to TBP.


Assuntos
Obstrução das Vias Respiratórias , Qualidade de Vida , Humanos , Resultado do Tratamento , Stents , Estudos Retrospectivos , Obstrução das Vias Respiratórias/cirurgia
2.
J Thorac Cardiovasc Surg ; 165(2): 518-525, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-35764462

RESUMO

OBJECTIVES: This study examines the long-term anatomic and clinical effects of tracheobronchoplasty in severe excessive central airway collapse. METHODS: Included patients underwent tracheobronchoplasty for excessive central airway collapse (2002-2016). The cross-sectional area of main airways on dynamic airway computed tomography was measured before and after tracheobronchoplasty. Expiratory collapse was calculated as the difference between inspiratory and expiratory cross-sectional area divided by inspiratory cross-sectional area ×100. The primary outcome was improvement in the percentage of expiratory collapse in years 1, 2, and 5 post-tracheobronchoplasty. Secondary outcomes included mean response profile for the 6-minute walk test, Cough-Specific Quality of Life Questionnaire, Karnofsky Performance Status score, and St George Respiratory Questionnaire. Repeated-measures analysis of variance was used for statistical analyses. RESULTS: The cohort included 61 patients with complete radiological follow-up at years 1, 2, and 5 post-tracheobronchoplasty. A significant linear decrease in the percentage of expiratory collapsibility of the central airways after tracheobronchoplasty was present. Anatomic repair durability was preserved 5 years after tracheobronchoplasty, with decrease in percentage of expiratory airway collapse up to 40% and 30% at years 1 and 2, respectively. The St George Respiratory Questionnaire (74.7 vs 41.8%, P < .001) and Cough-Specific Quality of Life Questionnaire (78 vs 47, P < .001) demonstrated significant improvement at year 5 compared with baseline. Similar results were observed in the 6-minute walk test (1079 vs 1268 ft, P < .001) and Karnofsky score (57 vs 82, P < .001). CONCLUSIONS: Tracheobronchoplasty has durable effects on airway anatomy, functional status, and quality of life in carefully selected patients with severe excessive central airway collapse.


Assuntos
Tosse , Procedimentos Cirúrgicos Torácicos , Humanos , Qualidade de Vida , Expiração/fisiologia
3.
Polymers (Basel) ; 14(17)2022 Aug 23.
Artigo em Inglês | MEDLINE | ID: mdl-36080517

RESUMO

Vascular grafts (VGs) are medical devices intended to replace the function of a blood vessel. Available VGs in the market present low patency rates for small diameter applications setting the VG failure. This event arises from the inadequate response of the cells interacting with the biomaterial in the context of operative conditions generating chronic inflammation and a lack of regenerative signals where stenosis or aneurysms can occur. Tissue Engineered Vascular grafts (TEVGs) aim to induce the regeneration of the native vessel to overcome these limitations. Besides the biochemical stimuli, the biomaterial and the particular micro and macrostructure of the graft will determine the specific behavior under pulsatile pressure. The TEVG must support blood flow withstanding the exerted pressure, allowing the proper compliance required for the biomechanical stimulation needed for regeneration. Although the international standards outline the specific requirements to evaluate vascular grafts, the challenge remains in choosing the proper biomaterial and manufacturing TEVGs with good quality features to perform satisfactorily. In this review, we aim to recognize the best strategies to reach suitable mechanical properties in cell-free TEVGs according to the reported success of different approaches in clinical trials and pre-clinical trials.

4.
J Card Surg ; 37(8): 2423-2425, 2022 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-35485742

RESUMO

We describe the management of a 59-year-old female with an unrepaired congenital ventricular septal defect (VSD) and end stage nonischemic cardiomyopathy necessitating placement of a left ventricular assist device (LVAD) as a destination treatment. Simultaneous repair of the VSD was performed during the LVAD implantation under a beating heart. The patient remained hemodynamically stable throughout her postoperative course, without signs of hypoxia or cyanosis. Following discharge, outpatient surveillance echocardiogram demonstrated successful VSD closure and no residual shunt.


Assuntos
Comunicação Interventricular , Coração Auxiliar , Procedimentos Cirúrgicos Torácicos , Cateterismo Cardíaco , Ecocardiografia , Feminino , Comunicação Interventricular/diagnóstico por imagem , Comunicação Interventricular/cirurgia , Humanos , Pessoa de Meia-Idade , Resultado do Tratamento
5.
J Card Surg ; 37(5): 1439-1443, 2022 May.
Artigo em Inglês | MEDLINE | ID: mdl-35152456

RESUMO

Emerging data suggest an association between severe acute respiratory syndrome coronavirus 2 and the development of acute myocarditis, with children and older adults being most at risk. We describe the clinical course of a previously healthy 12-year-old female who rapidly deteriorated into cardiogenic shock and arrest due to coronavirus disease 2019 induced fulminant myocarditis, necessitating venous-arterial extracorporeal membrane oxygenation as a bridge to full recovery. This case highlights the importance of early clinical recognition of myocardial involvement, and the benefits of taking a multidisciplinary approach in treating these patients.


Assuntos
COVID-19 , Oxigenação por Membrana Extracorpórea , Miocardite , Adolescente , Idoso , COVID-19/complicações , COVID-19/terapia , Criança , Feminino , Humanos , Miocardite/etiologia , Miocardite/terapia , Miocárdio , Choque Cardiogênico/etiologia , Choque Cardiogênico/terapia
7.
J Card Surg ; 37(2): 329-335, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-34751979

RESUMO

OBJECTIVE: There is a paucity of data on outcomes after isolated tricuspid valve surgery. This meta-analysis aims to compile available data on isolated tricuspid valve surgery and compare isolated tricuspid valve repair (iTVr) with isolated tricuspid valve replacement (iTVR) to elucidate outcomes after tricuspid valve surgery. METHODS: A literature search of 6 databases was performed. The primary outcomes was 30-day mortality. Secondary outcomes were early stroke, post-op pacemaker placement, and tricuspid reoperation within 5 years. Publication bias was explored using the funnel plot. RESULTS: Ten retrospective studies involving 1407 patients (iTVr group = 779 patients and iTVR group = 628 patients) were included. A cumulative analysis demonstrated a significant difference favoring iTVr for 30-day mortality (odds ratio [OR]: 10 studies [95% confidence interval [CI]]: 0.34 [0.18-0.66]); 4.7% versus 12.6%, for iTVr and iTVR, respectively. Post-op pacemaker placement favored iTVr (OR: 6 studies [95% CI]: 0.37 [0.18-0.77]). Although stroke rates and TV reoperation favored iTVr, they did not reach statistical significance. No publication bias was identified. CONCLUSIONS: This meta-analysis demonstrates that iTVr has better 30-day mortality and fewer permanent pacemaker placements. Etiology and severity of TR, as well as careful patient selection remain the most important factors for optimal outcomes.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Implante de Prótese de Valva Cardíaca , Insuficiência da Valva Tricúspide , Humanos , Estudos Retrospectivos , Resultado do Tratamento , Valva Tricúspide/cirurgia , Insuficiência da Valva Tricúspide/cirurgia
8.
J Card Surg ; 36(3): 1067-1071, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33476419

RESUMO

Patients with left ventricular dysfunction and low ejection fraction (EF) are at high risk of complication and mortality after coronary artery bypass grafting (CABG). The potential success of off-pump CABG in this high-risk population has yet to be illustrated. Herein, we present our experience in regards to surgical planning and strategy on how to perform off-pump CABG in patients with very low EF.


Assuntos
Ponte de Artéria Coronária sem Circulação Extracorpórea , Disfunção Ventricular Esquerda , Ponte de Artéria Coronária , Humanos , Fatores de Risco , Volume Sistólico , Resultado do Tratamento
9.
J Card Surg ; 36(1): 396-397, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-33225518

RESUMO

Various types of prosthetic materials are available for usage in cardiac surgery to repair heart defects. PTFE, Dacron, and bovine pericardial are some examples of the most used materials for this purpose. In this article, the authors describe the potential failure of the CorMatrix®.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Cardiopatias Congênitas , Cirurgiões , Animais , Bovinos , Humanos , Pericárdio/cirurgia , Polietilenotereftalatos
10.
J Thorac Imaging ; 34(4): 278-283, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-29957676

RESUMO

PURPOSE: The purpose of this study was to evaluate intermediate and long-term changes in expiratory tracheal collapsibility by computed tomography (CT) in patients with tracheobronchomalacia following surgical treatment with tracheobronchoplasty and to correlate CT findings with clinical findings. MATERIALS AND METHODS: Between 2003 and 2016, 18 patients with tracheobronchomalacia underwent tracheobronchoplasty and were imaged preoperatively and postoperatively at both intermediate and long-term intervals. Imaging included end-inspiratory and dynamic expiratory phase scans. The cross-sectional area of the airway lumen was measured at 2 standard levels (1 cm above the aortic arch and carina). These measurements were used to calculate % collapsibility. Clinical findings recorded included a questionnaire on symptomatology and a 6-minute walk test. RESULTS: Before surgery, expiratory collapsibility of the upper trachea was 72%±25% (mean±SD) and that of the lower trachea was 68%±22%. On intermediate follow-up (mean, 1.5 y), collapsibility significantly decreased to 37%±21% at the upper trachea and 35%±19% at the lower trachea (P<0.001). On long-term follow-up (mean, 6 y), collapsibility increased to 51%±20% at the upper trachea and 47%±17% at the lower trachea and was significantly worse than on intermediate follow-up (P=0.002). However, collapsibility on long-term follow-up remained significantly lower than preoperative collapsibility (P=0.015). Clinical findings showed a similar trend as quantitative CT measurements. CONCLUSION: Expiratory tracheal collapsibility substantially decreases after tracheobronchoplasty on intermediate follow-up. At long-term follow-up, tracheal collapsibility shows a modest increase, but remains significantly lower than the preoperative baseline. Quantitative measurements from dynamic CT have the potential to play an important role as imaging biomarkers for assessing response to tracheobronchoplasty.


Assuntos
Tomografia Computadorizada por Raios X/métodos , Traqueobroncomalácia/diagnóstico por imagem , Traqueobroncomalácia/cirurgia , Adulto , Idoso , Idoso de 80 Anos ou mais , Brônquios/diagnóstico por imagem , Brônquios/fisiopatologia , Brônquios/cirurgia , Feminino , Seguimentos , Volume Expiratório Forçado/fisiologia , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Traqueia/diagnóstico por imagem , Traqueia/cirurgia , Traqueobroncomalácia/fisiopatologia
11.
Ann Thorac Surg ; 106(3): 836-841, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-29959941

RESUMO

BACKGROUND: Respiratory complications are the leading cause of morbidity in patients undergoing tracheobronchoplasty, yet risk stratification systems on this population are insufficient. We investigated the association between frailty and risk of major respiratory complications after tracheobronchoplasty. METHODS: A retrospective review was made of 161 consecutive tracheobronchoplasties (October 2002 to September 2016). A frailty index was developed by the deficit-accumulation approach comprising 26 multidomain preoperative variables. The main outcome was a composite endpoint of major respiratory complications within 30 days of surgery. Odds ratio (OR) and 95% confidence interval (CI) were estimated using logistic regression. RESULTS: The cohort consisted of 103 women (64%), median age of 58 years (interquartile range, 51 to 66) and median FI of 0.25 (interquartile range, 0.1 to 0.3). Forty-eight patients (30%) had respiratory complications, the most common being respiratory failure (n = 27, 16.8%) and pneumonia (n = 25, 15.5%). Severe frailty (frailty index ≥0.33) was strongly associated with major respiratory complications (73.8% versus 2.5%; OR 58.8, 95% CI: 9.6 to 358.3). The association with severe frailty appeared stronger for respiratory failure (47.6% versus 2.5%; OR 30, 95% CI: 4.7 to 189.9) than for pneumonia (40.5% versus 0%; OR 35.2. 95% CI: 2.0 to 599.8). Further adjustment for intraoperative crystalloid volume or forced expiratory volume in 1 second moderately attenuated the association between frailty with major respiratory complications (OR 17.4. 95% CI: 2.0 to 150.8), respiratory failure (OR 13.1, 95% CI: 1.7 to 95.8), and pneumonia (OR 20.1, 95% CI: 1.1 to 341.8). CONCLUSIONS: Frailty, as indicated by frailty index, was associated with major respiratory complications, particularly respiratory failure after tracheobronchoplasty. Preoperative identification of frailty may help guide decision making for patients considering this effective, although arduous procedure.


Assuntos
Causas de Morte , Fragilidade/complicações , Insuficiência Respiratória/mortalidade , Procedimentos Cirúrgicos Torácicos/efeitos adversos , Fatores Etários , Idoso , Brônquios/cirurgia , Estudos de Coortes , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/mortalidade , Complicações Pós-Operatórias/fisiopatologia , Cuidados Pré-Operatórios/métodos , Prognóstico , Testes de Função Respiratória , Insuficiência Respiratória/etiologia , Insuficiência Respiratória/fisiopatologia , Estudos Retrospectivos , Medição de Risco , Fatores Sexuais , Taxa de Sobrevida , Procedimentos Cirúrgicos Torácicos/métodos , Procedimentos Cirúrgicos Torácicos/mortalidade , Traqueia/cirurgia , Resultado do Tratamento
12.
Ann Thorac Surg ; 106(3): 909-915, 2018 09.
Artigo em Inglês | MEDLINE | ID: mdl-29684374

RESUMO

BACKGROUND: We present trends in practice as our experience has grown and report the postoperative morbidity and its associated factors after tracheobronchoplasty. METHODS: A retrospective cohort study was conducted of 161 patients who underwent tracheobronchoplasty from October 2002 to September 2016. The main outcome was development of a postoperative complication within 30 days of the operation. Postoperative complication events were graded using the Clavien-Dindo system. The study patients were divided into two consecutive cohorts to examine trends in systems of care. Postoperative morbidity was examined using a log-binomial regression model. RESULTS: The cohort consisted of 103 women (64%), with a median age of 58 years (interquartile range, 52 to 66 years). Postoperative morbidity occurred in 75 patients (47%). Severe complications (Clavien-Dindo grade ≥IIIa) occurred in 38 patients (24%), most of which were respiratory in nature, including 27 (17%) with respiratory failure. Median intensive care unit length of stay was 4 days (interquartile range, 3 to 5 days), with a total length of stay of 8 days (interquartile range, 6 to 11 days). In-hospital mortality occurred in 2 patients (1%). Discharge was directly to home in 68% of patients (37% without assistance and 31% with visiting nurse follow-up) and to a rehabilitation facility in 31%. After adjusting for age, sex, race, operative time, and intraoperative blood loss, forced expiratory volume in 1 second was an independent predictor (odds ratio, 0.97; 95% confidence interval, 0.95 to 0.99; p = 0.01) for postoperative morbidity. CONCLUSIONS: Despite an arduous hospital course with significant risk of severe complication, patients undergoing tracheobronchoplasty for severe tracheobronchomalacia have low risk of mortality and most are discharged directly to home.


Assuntos
Perda Sanguínea Cirúrgica/fisiopatologia , Mortalidade Hospitalar/tendências , Complicações Pós-Operatórias/epidemiologia , Procedimentos Cirúrgicos Torácicos/efeitos adversos , Procedimentos Cirúrgicos Torácicos/métodos , Traqueobroncomalácia/cirurgia , Centros Médicos Acadêmicos , Adulto , Idoso , Boston , Estudos de Coortes , Intervalos de Confiança , Feminino , Humanos , Unidades de Terapia Intensiva/estatística & dados numéricos , Estimativa de Kaplan-Meier , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Razão de Chances , Complicações Pós-Operatórias/diagnóstico , Complicações Pós-Operatórias/terapia , Prognóstico , Estudos Retrospectivos , Taxa de Sobrevida , Traqueobroncomalácia/diagnóstico por imagem , Traqueobroncomalácia/mortalidade , Resultado do Tratamento
13.
Am J Surg ; 215(5): 973-979, 2018 05.
Artigo em Inglês | MEDLINE | ID: mdl-29397894

RESUMO

BACKGROUND: Alpha-1 adrenergic blockers used to treat postoperative urinary retention (POUR) may also have a preventative role. Here we assess the evidence behind their prophylactic use on POUR prevention. STUDY DESIGN: PRISMA guidelines were followed. All studies reviewed for eligibility, data extraction, and risk of bias assessment. Pooled risk ratios with 95% confidence intervals calculated using a random effects model. Heterogeneity assessed using Forest plots, I2 statistic and Chi-squared Cochran's Q-statistic. RESULTS: Fifteen RCTs (1732 patients) included. Prophylactic alpha-1 adrenergic blockers significantly reduced risk of POUR, 13.16% vs 30.24%, RR = 0.48 (95%CI: 0.33; 0.70, p-value = .001), without a statistically significant increase in adverse events. Substantial heterogeneity found between included studies (I2 = 65.49% [95%CI:48.49; 95.01] & Q-statistic 43.46 (p-value<.001)). Subgroup analysis revealed strong risk reduction and little heterogeneity in males (RR:0.33, 95%CI:0.23; 0.47, p-value<.001, I2:10.58) and patients receiving spinal anesthesia (RR:0.26, 95%CI:0.14; 0.46, p-value<.0001, I2 = 0%). CONCLUSION: Prophylactic alpha-1 adrenergic blockers reduce risk of POUR in males and after spinal anesthesia.


Assuntos
Antagonistas de Receptores Adrenérgicos alfa 1/uso terapêutico , Complicações Pós-Operatórias/prevenção & controle , Retenção Urinária/prevenção & controle , Humanos , Ensaios Clínicos Controlados Aleatórios como Assunto
14.
Ann Thorac Surg ; 105(2): e71-e73, 2018 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-29362196

RESUMO

The Amplatzer family of vascular devices has been used off-label for the treatment of complex gastrointestinal and airway fistulas. We report a case in which closure of a benign gastrobronchial fistula with the use of an Amplatzer device resulted in massive hemoptysis and death.


Assuntos
Fístula Brônquica/cirurgia , Broncoscopia/efeitos adversos , Fístula Gástrica/cirurgia , Gastroscopia/efeitos adversos , Hemoptise/etiologia , Hemorragia Pós-Operatória/etiologia , Dispositivo para Oclusão Septal/efeitos adversos , Idoso , Fístula Brônquica/diagnóstico , Evolução Fatal , Fístula Gástrica/diagnóstico , Hemoptise/diagnóstico , Humanos , Masculino , Hemorragia Pós-Operatória/diagnóstico
15.
J Thorac Dis ; 9(1): E57-E66, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-28203438

RESUMO

There is increasing recognition of tracheobronchomalacia (TBM) in patients with respiratory complaints, though its true incidence in the adult population remains unknown. Most of these patients have an acquired form of severe diffuse TBM of unclear etiology. The mainstays of diagnosis are dynamic (inspiratory and expiratory) airway computed tomography (CT) scan and dynamic flexible bronchoscopy with forced expiratory maneuvers. While the prevailing definition of TBM is 50% reduction in cross-sectional area, a high proportion of healthy volunteers meet this threshold, thus this threshold fails to identify patients that might benefit from intervention. Therefore, we consider complete or near-complete collapse (>90% reduction in cross-sectional area) of the airway to be severe enough to warrant potential intervention. Surgical central airway stabilization by posterior mesh splinting (tracheobronchoplasty) effectively corrects malacic airways and has been shown to lead to significant improvement in symptoms, health-related quality of life, as well as functional and exercise capacity in carefully selected adults with severe diffuse TBM. A short-term stent trial clarifies a patient's candidacy for surgical intervention. Coordination of care between experienced interventional pulmonologists, radiologists, and thoracic surgeons is essential for optimal outcomes.

16.
J Clin Oncol ; 35(3): 281-290, 2017 Jan 20.
Artigo em Inglês | MEDLINE | ID: mdl-28095268

RESUMO

Purpose To perform competing risks analysis and determine short- and long-term cancer- and noncancer-specific mortality and morbidity in patients who had undergone resection for stage I non-small-cell lung cancer (NSCLC). Patients and Methods Of 5,371 consecutive patients who had undergone curative-intent resection of primary lung cancer at our institution (2000 to 2011), 2,186 with pathologic stage I NSCLC were included in the analysis. All preoperative clinical variables known to affect outcomes were included in the analysis, specifically, Charlson comorbidity index, predicted postoperative (ppo) diffusing capacity of the lung for carbon monoxide, and ppo forced expiratory volume in 1 second. Cause-specific mortality analysis was performed with competing risks analysis. Results Of 2,186 patients, 1,532 (70.1%) were ≥ 65 years of age, including 638 (29.2%) ≥ 75 years of age. In patients < 65, 65 to 74, and ≥ 75 years of age, 5-year lung cancer-specific cumulative incidence of death (CID) was 7.5%, 10.7%, and 13.2%, respectively (overall, 10.4%); noncancer-specific CID was 1.8%, 4.9%, and 9.0%, respectively (overall, 5.3%). In patients ≥ 65 years of age, for up to 2.5 years after resection, noncancer-specific CID was higher than lung cancer-specific CID; the higher noncancer-specific, early-phase mortality was enhanced in patients ≥ 75 years of age than in those 65 to 74 years of age. Multivariable analysis showed that low ppo diffusing capacity of lung for carbon monoxide was an independent predictor of severe morbidity ( P < .001), 1-year mortality ( P < .001), and noncancer-specific mortality ( P < .001), whereas low ppo forced expiratory volume in 1 second was an independent predictor of lung cancer-specific mortality ( P = .002). Conclusion In patients who undergo curative-intent resection of stage I NSCLC, noncancer-specific mortality is a significant competing event, with an increasing impact as patient age increases.


Assuntos
Carcinoma Pulmonar de Células não Pequenas/mortalidade , Carcinoma Pulmonar de Células não Pequenas/cirurgia , Neoplasias Pulmonares/mortalidade , Neoplasias Pulmonares/cirurgia , Pulmão/cirurgia , Pneumonectomia/mortalidade , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Carcinoma Pulmonar de Células não Pequenas/patologia , Carcinoma Pulmonar de Células não Pequenas/fisiopatologia , Causas de Morte , Comorbidade , Intervalo Livre de Doença , Feminino , Volume Expiratório Forçado , Humanos , Modelos Lineares , Modelos Logísticos , Pulmão/patologia , Pulmão/fisiopatologia , Neoplasias Pulmonares/patologia , Neoplasias Pulmonares/fisiopatologia , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Cidade de Nova Iorque/epidemiologia , Pneumonectomia/efeitos adversos , Modelos de Riscos Proporcionais , Capacidade de Difusão Pulmonar , Recuperação de Função Fisiológica , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento
17.
J Clin Oncol ; 33(26): 2877-84, 2015 Sep 10.
Artigo em Inglês | MEDLINE | ID: mdl-26261257

RESUMO

PURPOSE: To examine the significance of the proposed International Association for the Study of Lung Cancer, American Thoracic Society, and European Respiratory Society (IASLC/ATS/ERS) histologic subtypes of lung adenocarcinoma for patterns of recurrence and, among patients who recur following resection of stage I lung adenocarcinoma, for postrecurrence survival (PRS). PATIENTS AND METHODS: We reviewed patients with stage I lung adenocarcinoma who had undergone complete surgical resection from 1999 to 2009 (N = 1,120). Tumors were subtyped by using the IASLC/ATS/ERS classification. The effects of the dominant subtype on recurrence and, among patients who recurred, on PRS were investigated. RESULTS: Of 1,120 patients identified, 188 had recurrent disease, 103 of whom died as a result of lung cancer. Among patients who recurred, 2-year PRS was 45%, and median PRS was 26.1 months. Compared with patients with nonsolid tumors, patients with solid predominant tumors had earlier (P = .007), more extrathoracic (P < .001), and more multisite (P = .011) recurrences. Multivariable analysis of primary tumor factors revealed that, among patients who recurred, solid predominant histologic pattern in the primary tumor (hazard ratio [HR], 1.76; P = .016), age older than 65 years (HR, 1.63; P = .01), and sublobar resection (HR, 1.6; P = .01) were significantly associated with worse PRS. Presence of extrathoracic metastasis (HR, 1.76; P = .013) and age older than 65 years at the time of recurrence (HR, 1.7; P = .014) were also significantly associated with worse PRS. CONCLUSION: In patients with stage I primary lung adenocarcinoma, solid predominant subtype is an independent predictor of early recurrence and, among those patients who recur, of worse PRS. Our findings provide a rationale for investigating adjuvant therapy and identify novel therapeutic targets for patients with solid predominant lung adenocarcinoma.


Assuntos
Adenocarcinoma/patologia , Neoplasias Pulmonares/patologia , Adenocarcinoma/mortalidade , Adenocarcinoma/cirurgia , Adenocarcinoma de Pulmão , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Neoplasias Pulmonares/mortalidade , Neoplasias Pulmonares/cirurgia , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia , Estadiamento de Neoplasias
18.
J Thorac Oncol ; 10(9): 1301-1310, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26291010

RESUMO

INTRODUCTION: We previously reported the prognostic significance of the lung adenocarcinoma immune microenvironment. In this study, we preformed comprehensive analysis of immune markers and their associations with prognosis in patients with lung squamous cell carcinoma. METHODS: We reviewed surgically resected, solitary lung squamous cell carcinoma patients (n = 485; 1999-2009) who were randomly split into a training cohort (n = 331) and validation cohort (n = 154). We constructed tissue microarrays and performed immunostaining for CD3, CD45RO, CD8, CD4, FoxP3, CD20, CD68, CXCL12, CXCR4, CCR7, interleukin-7 receptor, and interleukin-12 receptor ß2. Overall survival (OS) was analyzed using the log-rank test and the Cox proportional hazards model. RESULTS: Analysis of single immune cell infiltration revealed that high tumor-infiltrating CD10(+) neutrophils were associated with worse prognoses in the training cohort (p = 0.021). Analysis of biologically relevant immune cell combinations identified that patients with high CD10 neutrophil and low CD20(+) lymphocyte had a significantly worse OS (5-year OS, 42%) than those with other combinations of CD10 and CD20 (5-year OS, 62%; p < 0.001); this was confirmed in the validation cohort (p = 0.032). For the multivariate analysis, high CD10/low CD20 immune cell infiltration was an independent predictor of OS in both the training cohort (hazard ratio = 1.61, p = 0.006) and the validation cohort (hazard ratio = 1.75; p = 0.043). CONCLUSION: High CD10(+)/low CD20(+) immune cell infiltration ratio is a significant prognostic factor of lung squamous cell carcinoma. Immunomodulatory therapy of tumor-specific neutrophil and B-lymphocyte responses may have applicability in the treatment of lung squamous cell carcinoma.


Assuntos
Antígenos CD/metabolismo , Carcinoma Pulmonar de Células não Pequenas/imunologia , Carcinoma de Células Escamosas/imunologia , Neoplasias Pulmonares/imunologia , Neutrófilos/metabolismo , Microambiente Tumoral/imunologia , Carcinoma Pulmonar de Células não Pequenas/patologia , Carcinoma de Células Escamosas/patologia , Estudos de Coortes , Feminino , Humanos , Neoplasias Pulmonares/patologia , Masculino , Prognóstico , Estudos Retrospectivos
19.
Lung Cancer ; 89(3): 329-36, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26141216

RESUMO

OBJECTIVE: CD10 (neutral endopeptidase) is expressed in various normal and tumor cells, and its biological function can be controlled through enzymatic activity and signaling pathways. We investigated whether CD10 expression predicted disease recurrence and whether it correlated with histologic subtypes of stage I lung adenocarcinoma. MATERIALS AND METHODS: We reviewed tumor slides of resected pathologic stage I lung adenocarcinomas (1995-2009). Tumors were classified according to the IASLC/ATS/ERS classification. CD10 immunohistochemistry was performed using tissue microarrays (n=915). We combined the intensity (0-3) and distribution scores (0-2) for CD10 to create a total score (0-5). Risk of recurrence was estimated using competing risks methods. RESULTS: In the training cohort (n=313), risk of recurrence of patients with high tumoral CD10 (score>1, n=57) was significantly higher (5-year cumulative incidence of recurrence [CIR], 37%) than in those with low CD10 (score≤1; n=256; 5-year CIR, 16%; P<0.001); this finding was confirmed in the validation cohort (n=602, P=0.036). High tumoral CD10 was associated with higher risk of recurrence in acinar (P=0.007) and papillary predominant tumors (P=0.022). High tumoral CD10 was most frequently identified in micropapillary predominant (41%) and solid predominant tumors (34%). On multivariate analysis of intermediate-grade tumors, high tumoral CD10 remained a significant independent risk factor of recurrence (hazard ratio, 1.88; P=0.025). CONCLUSION: In stage I lung adenocarcinoma, tumoral CD10 correlated with high-grade histology and was an independent predictor of recurrence in intermediate-grade tumors.


Assuntos
Adenocarcinoma/metabolismo , Adenocarcinoma/patologia , Neoplasias Pulmonares/metabolismo , Neoplasias Pulmonares/patologia , Neprilisina/metabolismo , Adenocarcinoma de Pulmão , Idoso , Idoso de 80 Anos ou mais , Feminino , Expressão Gênica , Humanos , Imuno-Histoquímica , Masculino , Pessoa de Meia-Idade , Gradação de Tumores , Recidiva Local de Neoplasia , Estadiamento de Neoplasias , Neprilisina/genética , Estudos Retrospectivos , Fatores de Risco
20.
Ann Thorac Surg ; 100(1): 215-21; discussion 221-2, 2015 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-26002443

RESUMO

BACKGROUND: We sought to determine the prognostic variables associated with overall survival (OS) and recurrence-free probability (RFP) in patients with primary and secondary sternal tumors treated with surgical resection. METHODS: A retrospective analysis of patients who underwent resection of primary or secondary sternal tumors at 2 cancer institutes between 1995 and 2013 was performed. OS and RFP were estimated using the Kaplan-Meier method, and predictors of OS and RFP were analyzed using the Cox proportional hazards model. RESULTS: Sternal resection was performed in 78 patients with curative (67 [86%]) or palliative (6 [8%]) intent. Seventy-three patients (94%) had malignant tumors, of which 28 (36%) were primary and 45 (57%) were secondary malignancies. Sternal resections were complete in 13 patients (17%) and partial in 65 (83%). There were no perioperative deaths, and grade III/IV complications were noted in 17 patients (22%). The 5-year OS was 80% for patients with primary malignant tumors, 73% for patients with nonbreast secondary malignant tumors, and 58% for patients with breast tumors (p = 0.85). In the overall cohort, R0 resection was associated with prolonged 5-year OS (84% vs 20%) on univariate (p = 0.004) and multivariate (adjusted hazard ratio, 3.37; p = 0.029) analysis. On subgroup analysis, R0 resection was associated with improved OS and RFP only for patients with primary malignant tumors. CONCLUSIONS: Sternal resection can achieve favorable OS for patients with primary and secondary sternal tumors. R0 resection is associated with improved 5-year OS and RFP in patients with primary malignant tumors. We did not detect a similar effect in patients with breast or nonbreast secondary tumors.


Assuntos
Neoplasias Ósseas/mortalidade , Neoplasias Ósseas/cirurgia , Esterno , Adulto , Idoso , Neoplasias Ósseas/secundário , Neoplasias da Mama/secundário , Neoplasias da Mama/cirurgia , Intervalo Livre de Doença , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Retrospectivos , Taxa de Sobrevida , Resultado do Tratamento , Adulto Jovem
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