Point-of-care manufacturing: a single university hospital's initial experience.

BACKGROUND: The integration of 3D printing technology in hospitals is evolving toward production models such as point-of-care manufacturing. This study aims to present the results of the integration of 3D printing technology in a manufacturing university hospital. METHODS: Observational, descriptive, retrospective, and monocentric study of 907 instances of 3D printing from November 2015 to March 2020. Variables such as product type, utility, time, or manufacturing materials were analyzed. RESULTS: Orthopedic Surgery and Traumatology, Oral and Maxillofacial Surgery, and Gynecology and Obstetrics are the medical specialties that have manufactured the largest number of processes. Working and printing time, as well as the amount of printing material, is different for different types of products and input data. The most common printing material was polylactic acid, although biocompatible resin was introduced to produce surgical guides. In addition, the hospital has worked on the co-design of custom-made implants with manufacturing companies and has also participated in tissue bio-printing projects. CONCLUSIONS: The integration of 3D printing in a university hospital allows identifying the conceptual evolution to "point-of-care manufacturing."

Revisión sistemática sobre la eficacia de los preparados a base de hongos como tratamiento coadyuvante del carcinoma no microcítico de pulmón / Revisão sistemática sobre a eficácia das preparações fúngicas como tratamento adjuvante no carcinoma microcítico do pulmão / Systematic review on the efficacy of mushroom preparations as an adjuvant treatment of non-small cell lung cancer

La utilización de hongos medicinales tiene una larga tradición en Asia y en Europa oriental. El objetivo de este artículo es evaluar la evidencia científica que apoya la utilización de estos preparados en carcinoma no microcítico de pulmón. Se realizó una revisión sistemática de publicaciones con palabras clave relacionadas con nueve hongos, de uso habitual en Asia y Europa, en las bases de datos Pubmed y EMBASE: Agaricus subrufescens, Cordyceps sinensis , Ganoderma lucidum, Grifola frondosa, Inonotus obliquus, Lentinula edodes, Phellinus linteus, Schizophyllum commune, y Trametes versicolor. Se analizaron 38 artículos. Trametes versicolor podría tener utilidad en estadios iniciales de carcinoma no microcítico de pulmón como tratamiento coadyuvante tras cirugía o radioterapia radical. En estadios más avanzados (III-IV), los hongos con mayor evidencia fueron Trametes versicolor y Ganoderma lucidum. Con menor grado de evidencia seguirían Letinula edodes , y Grifola frondosa

A utilização de cogumelos medicinais tem uma grande tradição na Ásia e na Europa oriental. O objetivo deste trabalho consiste em avaliar a evidência científica que apoia a utilização destas preparações no carcinoma microcítico do pulmão.Fez-se uma revisão sistemática de ublicações com palavras chave relacionadas com nove cogumelos, de uso frequente na Ásia e na Europa, nas bases de dados Pubmed e EMBASE: Agaricus subrufescens, Cordyceps inensis, Ganoderma lucidum, Grifola frondosa, Inonotus obliquus, Lentinula edodes, Phellinus linteus, Schizophyllum commune, e Trametes versicolor. Analisaram-se 38 artigos.Trametes Versicolor poderia ter utilidade em estádios iniciais de carcinoma não microcítico do pulmão como tratamento coadjuvante após cirurgia ou radioterapia radical. Em estádios mais vançados (III-IV), os cogumelos com maior evidência foram Trametes versicolor e Ganoderma lucidum. Com menor grau de evidencia segue-se Lentinus edodes e Grifola frondosa

The use of medicinal mushrooms has a long tradition in Asia and Eastern Europe. The objective of this paper is to evaluate the scientific evidence that supports the use of these preparations in non-small cell lung carcinoma. A systematic review of publications has been performed in Pubmed and EMBASE databases, using key words related to nine fungi commonly used in Asia and Europe: Agaricus subrufescens, Cordyceps sinensis, Ganoderma lucidum, Grifola frondosa, Inonotus obliquus, Lentinula edodes, Phellinus linteus, Schizophyllum commune, and Trametes versicolor. Thirty-eight articles were analyzed. Trametes versicolor preparations may be useful in early stages of non-small cell lung carcinoma as adjuvant treatment after surgery or radical radiotherapy. In more advanced stages (III-IV), the fungi with greater evidence were Trametes versicolor and Ganoderma lucidum . With less evidence, Letinula edodes and Grifola frondosa would follow

Metaloptisis: ¿un nuevo caso con otra causa? / Metalloptysis: A new case with another cause?

No disponible

The Spanish Society of Pulmonology and Thoracic Surgery Lung Cancer Cooperative Group-II registry. A descriptive study.

INTRODUCTION AND OBJECTIVES: The seventh edition of the TNM classification, together with undeniable advantages, has limitations. The International Association for the Study of Lung Cancer (IASLC) Staging Committee has designed an international prospective study to improve this classification. A group of thoracic surgeons and pulmonologists was established in the Spanish Society of Pulmonology and Thoracic Surgery (SEPAR) Oncology area, and created a registry of new lung cancer (LC) cases to participate in this project. The aim of this paper is to describe the main characteristics of the patients included. MATERIALS AND METHODS: Prospective, observational, multicentre, multiregional data collection (epidemiological, clinical, therapeutic and, especially, anatomical extension) study, according to the IASLC protocol, to analyse its prognostic value. RESULTS: Two thousand, four hundred and nineteen patients (83.6% men) from 28 hospitals were included. Ninety-six percent of the men and 54% of the women were smokers or ex-smokers. Chest/abdominal computed tomography (CT) scanning was performed in over 90% and positron emission tomography (PET)/CT scanning in 51.5% of cases. Among the 1035 patients who underwent surgery, 77% had early stages (ia to iib), and 61.6% of those treated using other methods had stage iv. Respiratory comorbidity was higher in men (47.9% versus 21.4%). The most common histological subtype was adenocarcinoma (34%), especially in non-smoking women (69.5%). CONCLUSIONS: The proportion of women and adenocarcinomas, as well as those resected at an early stage, increased among LC cases in Spain.

Modulation of monocyte chemoattractant protein-1 expression by ischaemic preconditioning in a lung autotransplant model.

OBJECTIVES: Monocyte chemoattractant protein-1 (MCP-1) is believed to play a crucial role in lung ischaemia-reperfusion injury (LIRI). Ischaemic preconditioning (IP) has been shown to protect several organs from ischaemia-reperfusion (IR) injury, although less is known about IP's effect on MCP-1 modulation. The objective of this study was to investigate IP's effect on MCP-1 expression in lung tissue and its relationship with oxidative stress and proinflammatory cytokine production in an experimental LIRI model. METHODS: Two groups (IP and control groups) of seven large white pigs underwent a lung autotransplant (left pneumonectomy, ex situ superior lobectomy and lower lobe reimplantation). Before pneumonectomy was performed in the study group, IP was induced with two cycles of 5 min of left pulmonary artery occlusion with a 5 min interval of reperfusion between the two occlusions. Blood samples and lung biopsies were obtained at prepneumonectomy (PPn), at prereperfusion (PRp) and up to 30 min after reperfusion of the implanted lobe (Rp-10' and Rp-30'). Haemodynamic and blood-gas measurements, evaluation of oxidative stress in lung tissue and MCP-1, tumour necrosis factor-α (TNF-α) and IL-1 protein and mRNA measurements in lung tissue were performed. Nonparametric tests were used to compare differences between groups. Data are expressed as mean ± SEM. RESULTS: In control lungs, MCP-1 protein levels were found to be higher at PRp, Rp-10' and Rp-30' than at PPn (0.59 ± 0.1 vs. 0.21 ± 0.05, 0.47 ± 0.01 vs. 0.21 ± 0.05 and 0.56 ± 0.01 vs. 0.21 ± 0.05, respectively; P < 0.05). These differences were not evident in the IP group. MCP-1 levels at PRp, Rp-10' and Rp-30' were significantly higher in the control group than in the IP group (0.59 ± 0.1 vs. 0.15 ± 0.02, 0.47 ± 0.01 vs. 0.13 ± 0.01 and 0.56 ± 0.01 vs. 0.27 ± 0.01, respectively; P < 0.05). MCP-1, TNF-α and IL-1 mRNA expressions were lower at PRp, Rp-10' and Rp-30' (control vs. IP group, P < 0.05) when IP was carried out. Lipid peroxidation metabolites and myeloperoxidase activity increase in lung tissue were prevented by IP. CONCLUSIONS: In this model, LIRI induced the expression of MCP-1 and the proinflammatory proteins TNF-α and IL-1 in control lungs. IP significantly reduced the expression of these chemokines and cytokines. These features may explain the reduction of oxidative stress observed with IP.

Procedimiento de autotrasplante pulmonar en el cerdo como modelo experimental para el estudio del síndrome de isquemia-reperfusión / Experimental Swine Lung Autotransplant Model to Study Lung Ischemia-Reperfusion Injury

Introducción: El daño pulmonar agudo por isquemia reperfusión (IR) ha sido estudiado fundamentalmenteen modelos experimentales y clínicos con IR fría. Son limitados los estudios que profundizan en lasalteraciones bioquímicas durante la IR normotérmica (caliente). El objetivo del este trabajo es presentarun modelo de autotrasplante pulmonar en cerdo para el estudio de las fases más precoces del síndromede IR normotérmica pulmonar.Animales y métodos: Seis cerdos de la raza Large-White fueron sometidos a neumonectomía izquierda,lobectomía craneal ex situ, reimplantación del lóbulo caudal y reperfusión del mismo durante 30 min.Durante el procedimiento se analizaron diferentes parámetros para identificar cambios hemodinámicos,gasométricos y bioquímicos en el modelo. El estudio estadístico se realizó con pruebas no paramétricas.Resultados: Tras la isquemia, se observó en tejido pulmonar un aumento significativo (p < 0,05) de metabolitosde peroxidación lipídica, de citoquinas y quemoquinas proinflamatorias (TNF- , IL-1 y MCP-1),de actividad leucocitaria (mieloperoxidasa o MPO), de actividad óxido nítrico sintasa inducible y de laproteína quinasaMAPKp38, mientras que se observóundescenso de actividad tisular de las formas constitutivasde NOS y de monóxido de carbono sérico. Estas alteraciones se mantuvieron o acentuaron durantela reperfusión, donde se observó también una mayor actividad tisular hemo-oxigenasa constitutiva.Conclusiones: Se presenta un procedimiento experimental de IR normotérmica pulmonar describiendo enprofundidad cambios hemodinámicos, gasométricos y bioquímicos. Tanto el modelocomolos parámetrosanalizados podrían ser útiles en el estudio de nuevas terapias moduladoras del da˜no pulmonar agudo ensituaciones clínicas de IR normotérmica(AU)

Introduction: Ischemia-reperfusion (IR) lung injury has been investigated extensively on clinical andexperimental models of cold ischemia. However, relatively few studies examine the detailed biochemicalchanges occurring during normothermic (warm) IR.The objective of this work was to establish an experimental lung autotransplant model to be carried outon pigs in order to study the early stages of normothermic lung IR.Animals y methods: Six Large-White pigs underwent a lung autotransplant which entailed left pneumonectomy,ex situ cranial lobectomy, caudal lobe reimplantation and its reperfusion for 30 min. Throughoutthe procedure, several parameters were measured in order to identify hemodynamic, gasometric andbiochemical changes. Non-parametric statistical analyses were used to compare differences between periods. Results: After ischemia, a significant increase (P < 0.05) in lipid peroxidation metabolites, proinflammatorycytokines and chemokines (TNF- , IL-1 y MCP-1), neutrophil activation, inducible nitric oxide synthaseactivity and protein-kinase MAPK p38 levels were observed in lung tissue. However, constitutive nitricoxide synthase activity in lung tissue and carbon monoxide plasma levels were decrease. The same heldtrue throughout the reperfusion period, when an increase in the constitutive heme-oxygenase activitywas also shown.Conclusions: An experimental model of normothermic lung IR injury is presented and detailed changes inhemodynamic, gasometric and biochemical parameters are shown. Both the model and the studied parametersmay be clinically useful in future investigations testing new therapies to prevent normothermicIR induced lung injury(AU)

Experimental Swine lung autotransplant model to study lung ischemia-reperfusion injury.

INTRODUCTION: Ischemia-reperfusion (IR) lung injury has been investigated extensively on clinical and experimental models of cold ischemia. However, relatively few studies examine the detailed biochemical changes occurring during normothermic (warm) IR. The objective of this work was to establish an experimental lung autotransplant model to be carried out on pigs in order to study the early stages of normothermic lung IR. ANIMALS Y METHODS: Six Large-White pigs underwent a lung autotransplant which entailed left pneumonectomy, ex situ cranial lobectomy, caudal lobe reimplantation and its reperfusion for 30 min. Throughout the procedure, several parameters were measured in order to identify hemodynamic, gasometric and biochemical changes. Non-parametric statistical analyses were used to compare differences between periods. RESULTS: After ischemia, a significant increase (P < 0.05) in lipid peroxidation metabolites, proinflammatory cytokines and chemokines (TNF-α, IL-1ß y MCP-1), neutrophil activation, inducible nitric oxide synthase activity and protein-kinase MAPK p38 levels were observed in lung tissue. However, constitutive nitric oxide synthase activity in lung tissue and carbon monoxide plasma levels were decrease. The same held true throughout the reperfusion period, when an increase in the constitutive heme-oxygenase activity was also shown. CONCLUSIONS: An experimental model of normothermic lung IR injury is presented and detailed changes in hemodynamic, gasometric and biochemical parameters are shown. Both the model and the studied parameters may be clinically useful in future investigations testing new therapies to prevent normothermic IR induced lung injury.

Surgery of female genital tract tumour lung metastases.

INTRODUCTION: Lung metastases originating from tumours of the female genital tract are rare. Due to this rarity and their variable histology, it has been difficult to compare different patient series. MATERIAL AND METHODS: A retrospective study of patients undergoing resection of lung metastases of female genital tract tumours (uterine and cervical cancer) during the period 01/01/1989 to 12/31/2006. Epidemiological, diagnostic and treatment data were collected. Non-parametric tests and survival analysis were performed using the Kaplan-Meier and log-rank test. RESULTS: A resection was performed on 27 patients during the study period. Disease-free interval (DFI) from initial diagnosis of lung metastases was 58 months (1-195 months). The median survival from diagnosis of metastases was 94 months. The overall survival at 5 years after diagnosis of metastasis was 84.1%. A second surgery of metastases was performed on 5 patients (18.5%). Survival after second surgery of metastases: 80.5 months. Survival from diagnosis of metastasis at five years: endometrial carcinoma 100%, cervical cancer 62.5%, uterine sarcoma 60%. Adjuvant hormonal therapy was prescribed in 15 out of 16 patients with endometrial carcinoma. There was a statistically significant difference in the survival depending on the histological type and disease free interval. CONCLUSION: Surgical treatment of lung metastases originating from female genital tract tumours (mainly endometrial carcinoma) is associated with a high long-term survival.

Cirugía de las metástasis pulmonares de tumores del tracto genital femenino / Surgery of female genital tract tumour lung metastases

IntroducciónLos tumores del tracto genital femenino constituyen una etiología poco frecuente de metástasis pulmonares. Debido a esto y a su variada histología, la comparación de resultados ha resultado complicada hasta la fecha.Material y métodosEstudio retrospectivo de pacientes intervenidos de metástasis pulmonares de tumores del tracto genital femenino (cuerpo, trompa y cuello de útero) en el periodo 01/01/1989–31/12/2006. Se recogen datos referentes a aspectos epidemiológicos, de diagnóstico y tratamiento. Se han utilizado tests no paramétricos, y el análisis de supervivencia se ha realizado con curvas de Kaplan-Meier y el log-rank test.ResultadosDurante el periodo descrito se ha intervenido a 27 pacientes. Intervalo libre de enfermedad (ILE) desde el diagnóstico inicial al de metástasis pulmonares 58 meses (1-195 meses). Mediana de supervivencia desde el diagnóstico de metástasis 94 meses. Supervivencia global tras diagnóstico de metástasis a 5 años: 84,1%. Segunda cirugía de metástasis: 5 pacientes (18,5%). Supervivencia tras segunda cirugía de metástasis: 80,5 meses. Supervivencia desde el diagnóstico de metástasis a 5 años: carcinoma de endometrio 100%; cáncer de cérvix 62,5%; sarcoma uterino 60%. Recibieron hormonoterapia adyuvante 15 de 16 pacientes con carcinoma de endometrio. Hallamos diferencias estadísticamente significativas en la supervivencia en función de: tipo histológico, e intervalo libre de enfermedad.ConclusiónEl tratamiento quirúrgico de las metástasis del tracto genital femenino (principalmente de las de carcinoma de endometrio) se asocia a una elevada supervivencia a largo plazo(AU)

IntroductionLung metastases originating from tumours of the female genital tract are rare. Due to this rarity and their variable histology, it has been difficult to compare different patient series.Material and MethodsA retrospective study of patients undergoing resection of lung metastases of female genital tract tumours (uterine and cervical cancer) during the period 01/01/1989 to 12/31/2006. Epidemiological, diagnostic and treatment data were collected. Non-parametric tests and survival analysis were performed using the Kaplan-Meier and log-rank test.ResultsA resection was performed on 27 patients during the study period. Disease-free interval (DFI) from initial diagnosis of lung metastases was 58 months (1-195 months). The median survival from diagnosis of metastases was 94 months. The overall survival at 5 years after diagnosis of metastasis was 84.1%. A second surgery of metastases was performed on 5 patients (18.5%). Survival after second surgery of metastases: 80.5 months. Survival from diagnosis of metastasis at five years: endometrial carcinoma 100%, cervical cancer 62.5%, uterine sarcoma 60%. Adjuvant hormonal therapy was prescribed in15 out of 16 patients with endometrial carcinoma. There was a statistically significant difference in the survival depending on the histological type and disease free interval.ConclusionSurgical treatment of lung metastases originating from female genital tract tumours (mainly endometrial carcinoma) is associated with a high long-term survival(AU)

Lung cancer surgery in the elderly.

Non-small cell lung cancer (NSCLC) is a typical disease of the elderly, and is becoming increasingly more common as a result of the gradual aging of the population. Although patient age is known to be an independent prognostic factor of postoperative survival, lung resection should not be denied on the basis of age alone. In patients of this kind, careful evaluation and selection is very important. In early-stage NSCLC, surgery is the treatment of choice. In the advanced stages of the disease treatment usually comprises primary radiotherapy or combined radio-chemotherapy. Preoperative preparation and postoperative care are very important in chest surgery, and particularly in elderly patients. The 5-year survival rate in octogenarians exceeds 40%, but is much lower in pneumonectomized patients (close to 10%). In conclusion, elderly patients should be offered the best treatment possible, bearing in mind that surgery offers the best results when the disease is resectable.