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1.
Medicina (B Aires) ; 81(6): 1048-1051, 2021.
Artigo em Espanhol | MEDLINE | ID: mdl-34875605

RESUMO

The most common symptoms in patients with SARS-CoV-2 infection are fever, cough, odynophagia, headache, myalgia, and diarrhea. A much smaller percentage have dizziness, rhinorrhea, and hemoptysis as associated symptoms. However, the great magnitude that this second wave acquired, can make this last complication appear more frequently. This report describes the case of a 49-year-old patient with a history of recent COVID-19 infection with requirement of mechanical ventilation due to respiratory failure, who developed during hospitalization in the general ward with parapneumonic pleural effusion and episodes of persistent hemoptysis that required surgical treatment. During surgery, a significant fibro-adhesion process and a congestive lung with focal increased consistency and areas of necrosis were found.


Los síntomas más frecuentes de los pacientes con infección por SARS-CoV-2 suelen ser fiebre, tos, odinofagia, cefalea, mialgias y diarrea. Un porcentaje mucho menor padece mareos, rinorrea y hemoptisis como síntomas asociados. Sin embargo, la gran magnitud que adquirió esta segunda ola, puede hacer que esta última complicación se presente con más frecuencia. Se describe el caso de un paciente de 49 años con antecedente de infección reciente por COVID-19 con requerimiento de ARM por insuficiencia respiratoria que intercurrió, durante la internación en sala general, con derrame pleural de tipo paraneumónico y episodios de hemoptisis persistente que se resolvió de forma quirúrgica. Durante la cirugía se encontró un importante proceso fibro adherencial y un pulmón congestivo con aumento focal de la consistencia y áreas de necrosis.


Assuntos
COVID-19 , Tosse , Febre , Humanos , Pulmão , Pessoa de Meia-Idade , SARS-CoV-2
2.
Rev. am. med. respir ; 21(4): 392-399, dic. 2021. graf
Artigo em Espanhol | LILACS, BINACIS | ID: biblio-1431465

RESUMO

Resumen Ante la escasez de donantes pulmonares, el aumento de los pacientes en lista de espera y el aumento de las muertes en lista de espera existen varias estrategias que buscan resolver estos problemas. Las estrategias de promoción son necesarias, continuas y transver sales a todo el proceso. Las de procuración implican mejora continua en la calidad de atención médica, siendo muy costo-efectivas en nuestro contexto. Las de distribución ya se emplean y han generado mejoras en el acceso al trasplante; deben ser constantemente evaluadas. Las de selección involucran mejoras a expensas de mayores costos a veces con consecuencias negativas, por lo que deben ser evaluadas caso a caso. El uso de EVLP es efectivo, aunque pareciera no ser una intervención costo-efectiva en nuestro medio debiendo emplearse otras estrategias previamente. La utilización de donantes a corazón parado es efectiva aunque requiere de una inversión en el sistema logístico que no parece ser viable por el momento en Argentina.


Abstract Given the shortage of lung donors and the increase in patients and deaths on the waiting lists, there are several strategies that could be carried out. Promotion strategies are necessary, continuous and transversal to the entire process. Strategies that attempt to enhance organ procurement involve continuous improvement in the quality of healthcare, which is highly profitable in our context. Interventions on grafts distribution are already in use and have generated improvements in access to lung transplantation. Laxity in the selection criteria generates higher costs, sometimes with negative consequences, so a case-by-case selection must be applied. Ex vivo lung perfusion is effective, although it does not appear to be a cost-effective intervention in our country, other strategies must be implemented previously. The use of non-heart-beating lung donors requires an investment in a logistics system that nowadays does not seem viable in Argentina.


Assuntos
Transplante de Pulmão , Argentina , Obtenção de Tecidos e Órgãos , Transplante de Órgãos , Seleção do Doador
3.
Medicina (B.Aires) ; 81(6): 1048-1051, ago. 2021. graf
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1365100

RESUMO

Resumen Los síntomas más frecuentes de los pacientes con infección por SARS-CoV-2 suelen ser fiebre, tos, odinofagia, cefalea, mialgias y diarrea. Un porcentaje mucho menor padece mareos, rinorrea y hemoptisis como síntomas asociados. Sin embargo, la gran magnitud que adquirió esta segunda ola, puede hacer que esta última complicación se presente con más frecuencia. Se describe el caso de un paciente de 49 años con antecedente de infección reciente por COVID-19 con requerimiento de ARM por insuficiencia respiratoria que intercurrió, durante la internación en sala general, con derrame pleural de tipo paraneumónico y episodios de hemoptisis persistente que se resolvió de forma quirúrgica. Durante la cirugía se encontró un importante proceso fibro adherencial y un pulmón congestivo con aumento focal de la consistencia y áreas de necrosis.


Abstract The most common symptoms in patients with SARS-CoV-2 infection are fever, cough, odynophagia, headache, myalgia, and diarrhea. A much smaller percentage have dizziness, rhinorrhea, and hemoptysis as associated symptoms. However, the great magnitude that this second wave acquired, can make this last com plication appear more frequently. This report describes the case of a 49-year-old patient with a history of recent COVID-19 infection with requirement of mechanical ventilation due to respiratory failure, who developed during hospitalization in the general ward with parapneumonic pleural effusion and episodes of persistent hemoptysis that required surgical treatment. During surgery, a significant fibro-adhesion process and a congestive lung with focal increased consistency and areas of necrosis were found.

4.
Rev Fac Cien Med Univ Nac Cordoba ; 78(1): 37-40, 2021 03 18.
Artigo em Inglês | MEDLINE | ID: mdl-33787024

RESUMO

BACKGROUND: Image-guided percutaneous transthoracic lung biopsy has become a widely used and less invasive diagnostic method. Pneumothorax is the most frequent complication after lung biopsy. The aim of the present study is to describe the experience with expectant management of asymptomatic small post-biopsy pneumothorax in order to reduce unnecessary hospital admissions. METHODS: A retrospective review was performed analyzing the results of subjects who underwent expectant and conservative treatment after presenting pneumothorax following  percutaneous lung biopsy, in a period of 6 years (January 2013 - December 2019) RESULTS: 160 subjects who underwent diagnostic percutaneous lung biopsy of lung nodules were evaluated. Of these, 46 subjects (29%) presented pneumothorax, of which 36 were small. This group of subjects was managed expectantly, with a therapeutic success of 81% (7 subjects had to undergo percutaneous pleural drainage). CONCLUSIONS: Expectant management in subjects with pneumothorax following percutaneous lung biopsy is a useful tool and should be applied by surgeons in order to avoid hospitalizations and / or unnecessary  and expensive procedures.


INTRODUCCIÓN: La punción biopsia percutánea transtorácica se ha convertido con el devenir del tiempo en un método diagnóstico de uso ubicuo y poco invasivo. Su principal complicación continúa siendo el neumotórax. El presente estudio describe la experiencia de este grupo con el manejo expectante del neumotórax pequeño y asintomático post biopsia, con el fin de reducir ingresos hospitalarios innecesarios. MATERIALES Y MÉTODOS: Se realizó una revisión retrospectiva, analizando los resultados de aquellos pacientes sometidos a tratamiento conservador de neumotórax post punción percutánea transtorácica en un periodo de 6 años ( Enero 2013 a Diciembre 2019). RESULTADOS: Un total de 160 sujetos fueron sometidos a una punción percutánea diagnóstica de pulmón en el lapso de tiempo estudiado. De estos, 46 ( 29%) presentaron neumotórax, siendo 36 de estos neumotórax pequeños. Este grupo fue manejado de forma expectante, con una tasa de éxito terapéutico del 81 % ( 7 sujetos debieron ser sometidos a drenaje pleural percutáneo). CONCLUSIONES: El tratamiento conservador de pacientes con neumotórax secundario a biopsia percutánea transtorácica es seguro, efectivo y útil. Debería ser utilizado por cirujanos como herramienta para evitar internaciones y/o procedimientos innecesarios y costosos.


Assuntos
Pneumotórax , Hospitalização , Humanos , Pulmão/diagnóstico por imagem , Pneumotórax/diagnóstico por imagem , Pneumotórax/etiologia , Estudos Retrospectivos , Tomografia Computadorizada por Raios X
5.
Rev Fac Cien Med Univ Nac Cordoba ; 78(1): 29-32, 2021 03 12.
Artigo em Espanhol | MEDLINE | ID: mdl-33787026

RESUMO

Introduction: Transbronchial lung cryobiopsy (TBCB) has emerged as a diagnostic alternative to surgical lung biopsy mostly in interstitial lung disease. Despite its less invasive nature and reported higher diagnostic yield, some associated complications have been described, such as pneumothorax. Moreover, a comparison between TBCB and transbronchial forceps biopsy is seldomly made. The aim of the present study is to evaluate the incidence of pneumothorax following TBFB and TBCB and the need for pleural drainage. Methods: Retrospective study of patients who underwent transbronchial forceps biopsy or transbronchial lung cryobiopsy, specifically those who developed postoperative pneumothorax. Results: A total of 181 transbronchial lung biopsies were performed. Sixty three (35%) were TBFB and 118 (65%) were TBCB. Three patients in the TBFB group (5%) presented postoperative pneumothorax, while 16 patients (14%) presented pneumothorax in the TBCB group (p 0,051). The univariate analysis revealed a statistically significant association between the preoperative diagnosis of fibrosis and a higher risk of postoperative pneumothorax following TBCB (p 0.027), while other variables did not yield a statistical significance. Conclusion: Even though more high-volume comparative studies are needed, this paper highlights the relevance of pneumothorax following TBCB. This derives in a strong need for clearly standardized procedure protocols for TBCB and careful evaluation of its complications vs. its definitive diagnostic yields.


Introducción: La criobiopsia pulmonar transbronquial (TBCB) se ha convertido en una alternativa diagnóstica a la biopsia pulmonar quirúrgica, principalmente en la enfermedad pulmonar intersticial. A pesar de su naturaleza menos invasiva y de un mayor rendimiento diagnóstico, se han descrito algunas complicaciones asociadas, como el neumotórax. En pocas oportunidades se ha comparado la TBCB y la biopsia transbronquial con fórceps (TBFB). El objetivo del presente estudio es evaluar la incidencia de neumotórax después de TBFB y TBCB y la necesidad de drenaje pleural. Métodos: Estudio retrospectivo de pacientes que se sometieron a TBCB y TBFB, específicamente aquellos que desarrollaron neumotórax postoperatorio. Resultados: Se realizaron un total de 181 biopsias pulmonares transbronquiales. Sesenta y tres (35%) fueron TBFB y 118 (65%) fueron TBCB. Tres pacientes en el grupo TBFB (5%) presentaron neumotórax postoperatorio, mientras que 16 pacientes (14%) presentaron neumotórax en el grupo TBCB (p 0,051). El análisis univariado reveló una asociación estadísticamente significativa entre el diagnóstico preoperatorio de fibrosis y un mayor riesgo de neumotórax postoperatorio después de TBCB (p 0.027), mientras que otras variables no arrojaron un resultado significativo. Conclusión: Aunque se necesitan más estudios comparativos de alto volumen, este documento destaca la relevancia del neumotórax después de la TBCB. Esto deriva en una fuerte necesidad de protocolos de procedimientos claramente estandarizados para TBCB y una evaluación cuidadosa de sus complicaciones versus su rendimiento diagnóstico


Assuntos
Pneumotórax , Biópsia , Humanos , Incidência , Complicações Pós-Operatórias , Estudos Retrospectivos
6.
J Thromb Thrombolysis ; 51(4): 997-1004, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-32929687

RESUMO

Venous thromboembolism (VTE) is an important postoperative complication after major lung cancer resective surgery, such as lobectomy. It is recommended to start chemical thromboprophylaxis within the first 12 h following the procedure. Postoperative bleeding is also a relevant complication in patients with predisposing conditions. However, the criterion for classifying a patient as "high risk of bleeding" is not standardized and is left to the expertise of the attending physician or surgeon. We aim to describe the incidence and risk factors for postoperative VTE and hemorrhage after pulmonary lobectomy; and to assess the impact of the timing of thromboprophylaxis on the incidence of postoperative thrombotic or hemorrhagic events. A retrospective observational study of 358 lobectomies performed in a single center was performed, analyzing the rates of postoperative thrombotic and hemorrhagic events and predisposing factors, including postoperative thromboprophylaxis management. Cumulative incidence of VTE was 3.07% (95% CI 1.54-5.43), and early postoperative bleeding was 10.05% (95% CI 7.14-13.64). Underlying pulmonary disease was associated with VTE (p = 0.001) and open approach was associated with hemorrhagic events (p = 0.01). The use of thromboprophylaxis and timing of its initiation were not associated with a higher incidence of events. VTE and postoperative hemorrhage are relevant complications following pulmonary lobectomy. Compliance with VTE prophylaxis guidelines is essential. Even so, a case-by-case risk evaluation of VTE and bleeding remains preferable and safe in order to decide on the most suitable timing of thromboprophylaxis.


Assuntos
Tromboembolia Venosa , Anticoagulantes , Heparina de Baixo Peso Molecular , Humanos , Incidência , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/prevenção & controle , Hemorragia Pós-Operatória , Fatores de Risco , Tromboembolia Venosa/epidemiologia , Tromboembolia Venosa/etiologia , Tromboembolia Venosa/prevenção & controle
7.
Rev Fac Cien Med Univ Nac Cordoba ; 77(3): 187-190, 2020 08 21.
Artigo em Espanhol | MEDLINE | ID: mdl-32991106

RESUMO

Objetivo: Medición de la eficacia y relevamiento de las complicaciones asociadas a la a realización de traqueostomía percutánea (TP) guiada por videobroncoscopia en un hospital universitario de alta complejidad. Materiales y métodos: Estudio observacional retrospectivo realizado entre mayo de 2017 y agosto de 2019. El criterio para la indicación de TP fue desvinculación prolongada de la ventilación mecánica en todos los casos. Incluyó pacientes mayores de 18 años en que se realizó TP electiva guiada por videobroncoscopia. Se registraron variables demográficas, APACHE II y días de ventilación mecánica previos a la TP. La eficacia del procedimiento fue evaluada en base a la tasa de éxito en la ejecución, la necesidad de conversión a técnica abierta. Asimismo, se registraron las complicaciones observadas. Resultados: Se evaluaron 235 procedimientos (149 hombres y 86 mujeres) en pacientes con edad media de 61 años ± 19, un score APACHE II 18 ± 8. La TP pudo ser ejecutada en forma rápida y satisfactoria en todos los pacientes sin requerimiento de conversión a técnica abierta. Se presentaron complicaciones tempranas en el 3,8% (9) de los casos. El sangrado menor fue la complicación más frecuentemente observada en 5 casos (2,1%), hipotensión en 3 casos (1,3%) e hipoxemia transitoria en un caso (0,4%). Asimismo el 2,1% (5) de los casos registró complicaciones tardías. Conclusión: La realización de TP mediante la técnica de dilatador único guiada por videobroncoscopia se describe como un procedimiento efectivo y seguro, que puede realizarse en unidades de cuidados intensivos con baja tasa de complicaciones. Objective: Measurement of the efficacy and complications associated with performing percutaneous tracheostomy (PT) guided by video bronchoscopy. Materials and methods: Retrospective observational study conducted between May 2017 and August 2019. Adult patients who underwent elective PT guided by video bronchoscopy were included. The criteria for the indication of PT was prolonged weaning from mechanical ventilation in all cases. Demographic variables, APACHE II score and days of mechanical ventilation prior to PT were recorded. The efficacy of the procedure was evaluated based on the success rate in the execution, the need for conversion to open technique. Also complications observed were recorded. Results: 235 procedures (149 men and 86 women) were evaluated in patients with an average age of 61 years ± 19 and APACHE II score 18 ± 8. The PT was performed quickly and satisfactorily in all patients without conversion to open technique in any case. Complications occurred in 3.8% (9) of the cases. Minor bleeding was the most frequently observed complication in 5 cases (2.1%), hypotension in 3 cases (1.3%), and transient hypoxemia in one patient (0.4%). Also, 2,1% (5) of the cases presented late complications. Conclusion: Performing PT guided by video bronchoscopy is described as an effective and safe procedure that can be done in intensive care units with a low rate of complications.


Objetivo: Medición de la eficacia y relevamiento de las complicaciones asociadas a la a realización de traqueostomía percutánea (TP) guiada por videobroncoscopia en un hospital universitario de alta complejidad. Materiales y métodos: Estudio observacional retrospectivo realizado entre mayo de 2017 y agosto de 2019. El criterio para la indicación de TP fue desvinculación prolongada de la ventilación mecánica en todos los casos. Incluyó pacientes mayores de 18 años en que se realizó TP electiva guiada por videobroncoscopia. Se registraron variables demográficas, APACHE II y días de ventilación mecánica previos a la TP. La eficacia del procedimiento fue evaluada en base a la tasa de éxito en la ejecución, la necesidad de conversión a técnica abierta. Asimismo, se registraron las complicaciones observadas. Resultados: Se evaluaron 235 procedimientos (149 hombres y 86 mujeres) en pacientes con edad media de 61 años ± 19, un score APACHE II 18 ± 8. La TP pudo ser ejecutada en forma rápida y satisfactoria en todos los pacientes sin requerimiento de conversión a técnica abierta. Se presentaron complicaciones tempranas en el 3,8% (9) de los casos. El sangrado menor fue la complicación más frecuentemente observada en 5 casos (2,1%), hipotensión en 3 casos (1,3%) e hipoxemia transitoria en un caso (0,4%). Asimismo el 2,1% (5) de los casos registró complicaciones tardías. Conclusión: La realización de TP mediante la técnica de dilatador único guiada por videobroncoscopia se describe como un procedimiento efectivo y seguro, que puede realizarse en unidades de cuidados intensivos con baja tasa de complicaciones.


Assuntos
Broncoscopia , Traqueostomia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos
8.
Am J Otolaryngol ; 41(5): 102578, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32505993

RESUMO

PURPOSE: COVID-19 has become a pandemic with significant consequences worldwide. About 3.2% of patients with COVID-19 will require intubation and invasive ventilation. Moreover, there will be an increase in the number of critically ill patients, hospitalized and intubated due to unrelated acute pathology, who will present underlying asymptomatic or mild forms of COVID-19. Tracheostomy is one of the procedures associated with an increased production of aerosols and higher risk of transmission of the virus to the health personnel. The aim of this paper is to describe indications and recommended technique of tracheostomy in COVID-19 patients, emphasizing the safety of the patient but also the medical team involved. MATERIALS AND METHODS: A multidisciplinary group made up of surgeons with privileges to perform tracheostomies, intensive care physicians, infectious diseases specialists and intensive pulmonologists was created to update previous knowledge on performing a tracheostomy in critically ill adult patients (>18 years) amidst the SARS-CoV-2 pandemic in a high-volume referral center. Published evidence was collected using a systematic search and review of published studies. RESULTS: A guideline comprising indications, surgical technique, ventilator settings, personal protective equipment and timing of tracheostomy in COVID-19 patients was developed. CONCLUSIONS: A safe approach to performing percutaneous dilational bedside tracheostomy with bronchoscopic guidance is feasible in COVID-19 patients of appropriate security measures are taken and a strict protocol is followed. Instruction of all the health care personnel involves is key to ensure their safety and the patient's favorable recovery.


Assuntos
Betacoronavirus , Infecções por Coronavirus/epidemiologia , Cuidados Críticos , Controle de Infecções/organização & administração , Pneumonia Viral/epidemiologia , Traqueostomia , COVID-19 , Protocolos Clínicos , Infecções por Coronavirus/prevenção & controle , Infecções por Coronavirus/transmissão , Humanos , Pandemias/prevenção & controle , Seleção de Pacientes , Pneumonia Viral/prevenção & controle , Pneumonia Viral/transmissão , SARS-CoV-2
9.
Rev. am. med. respir ; 20(2): 118-124, jun. 2020. ilus, tab
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1431428

RESUMO

Introducción: El tratamiento expectante de pacientes con neumotórax espontáneo primario (NEP) pequeños y asintomáticos permanece siendo motivo de discusión, en parte debido a la mayor tasa de recurrencia aparente con respecto a los tratados con drenajes pleurales. Objetivo: Presentar la experiencia en el manejo de NEP grado I, comparando los resultados a corto y largo plazo de aquellos tratados con drenajes pleurales de aquellos tratados de manera expectante. Materiales y métodos: Se realizó un estudio retrospectivo sobre una base de datos prospectiva en pacientes con diagnóstico de neumotórax espontáneo grado I clínicamente estables. Resultados: Sobre un total de 69 pacientes, 30 pacientes fueron tratados con drenaje pleural y 39 pacientes realizaron un tratamiento expectante con manejo ambulatorio. No se evidenciaron diferencias poblaciones en cuanto a edad, sex, lado, antecedente de tabaquis­mo, y tamaño de neumotórax. Con respecto a los resultados a corto plazo, no existieron diferencias de resultados de tratamiento con respecto a la falla terapéutica en ambos grupos, existiendo si diferencias significativas con respecto al tiempo de internación en favor del manejo expectante. Con respecto a los resultados a largo plazo, no hubo diferencias significativas con respecto a la recurrencia entre ambos grupos. Conclusión: El manejo expectante de pacientes con neumotórax espontáneo primario pequeños y clínicamente estables con estricto control ambulatorio y pautas de alarmas de los mismos, presenta buenos resultados a corto y largo plazo, debiendo ser considerado como primera opción terapéutica.

10.
Rev. am. med. respir ; 20(2): 125-131, jun. 2020. ilus, tab
Artigo em Inglês | LILACS-Express | LILACS | ID: biblio-1431429

RESUMO

Introduction: Expectant treatment in clinically stable patients with small primary spontaneous pneumothorax (PSP) remains in discussion, partly due to the described increased recurrence rate compared to patients treated with pleural drainage. Objective: To present the experience in the management of grade I PSP, comparing long- and short-term results of patients treated with pleural drainage with those treated expectantly. Methods: We present a retrospective study of patients diagnosed with small asymptomatic or mildly symptomatic PSP. Results: 34 out of 69 patients were treated with pleural drainage and 35 underwent expectant treatment with outpatient management. Both groups were comparable regarding sex, side, size of pneumothorax and history of tobacco smoking. As for the short-term results, there weren't any differences between groups in success therapy, but there were significant differences related to hospital stay, where patients treated with pleural drainage presented longer length of stay. Regarding long-term results, there weren't significant differences in terms of recurrence between both groups. Conclusion: The expectant management of clinically stable patients with small primary spontaneous pneumothorax with strict ambulatory control follow-up and those who comply with treatment recommendations and can obtain prompt emergency medical care presents acceptable long- and short-term results and should be the first choice of treatment.

13.
Updates Surg ; 71(4): 741-746, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31552569

RESUMO

Positron emission tomography and computed tomography (PET-CT) is the non-invasive gold standard method for determining the oncological stage of patient with diagnosis of lung cancer. A correct preoperative staging is significant because only patients who do not have a history of regional or distant disease are those who will benefit from a surgical treatment. However, due to the different values of the PET-CT in terms of sensitivity and specificity to evaluate the mediastinal lymph node involvement, it is often necessary to perform a surgical mediastinal sampling through a cervical video mediastinoscopy (VM). Patient's risk factors which could modify the results of the PET scan, performing differences between non-invasive staging and the lymph node sampling due to VM are not yet clearly established in the literature. This knowledge will allow to identify in whom a surgical staging by sampling the mediastinal lymph nodes is needed. We included 234 patients with diagnosis of lung cancer who underwent a mediastinal lymph node staging by PET-CT images and histopathological results of mediastinal sampling by VM, analyzing the sensitivity and specificity of this non-invasive imaging study. We also analyzed variables that could modify the results of PET-CT, such as tumor type, location of the tumor and patient's history. We showed that those PET-CT presented an overall sensitivity and specificity of 93.8 and 62.7%, respectively, with negative and positive predictive values of 95.05 and 57.1%, respectively. The false-positive rate was 25% (57 of 234 patients). Analyzing risk factors involved in this false-positive rate (n = 57), we found that the only statistically significant factor that could explain these results was the histology of squamous carcinoma (p < 0.03). In this group of patients, it is essential to perform a mediastinal lymph node biopsy to know the real state of lymph node involvement.


Assuntos
Carcinoma Pulmonar de Células não Pequenas/patologia , Neoplasias Pulmonares/patologia , Metástase Linfática/diagnóstico por imagem , Tomografia por Emissão de Pósitrons combinada à Tomografia Computadorizada , Idoso , Idoso de 80 Anos ou mais , Carcinoma Pulmonar de Células não Pequenas/diagnóstico por imagem , Carcinoma Pulmonar de Células não Pequenas/cirurgia , Feminino , Humanos , Neoplasias Pulmonares/diagnóstico por imagem , Neoplasias Pulmonares/cirurgia , Masculino , Mediastinoscopia/métodos , Mediastino/patologia , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Estudos Retrospectivos , Fatores de Risco
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