Evaluation of the colorectal cancer screening Programme in the Basque Country (Spain) and its effectiveness based on the Miscan-colon model.

The population-based Basque Colorectal Cancer (CRC) Screening Programme started in 2009 with a biennial immunochemical quantitative test (FIT) biennial and colonoscopy under sedation in positive cases. The population target of 586,700 residents was from 50 to 69 years old and the total coverage was reached at the beginning of 2014. The aim of our study was to determine possible scenarios in terms of incidence, mortality and reduction of Life-years-Lost (L-y-L) in the medium and long term of CRC. METHODS: Invitations were sent out by the Programme from 2009 to 2014, with combined organizational strategies. Simulation was done by MISCAN-colon (Microsimulation Screening Analysis) over 30 years comparing the results of screening vs no-screening, taking the population-based Cancer Registry into account. Lifetime population and real data from the Programme were used from 2008 to 2012. The model was run differentially for men and women. RESULTS: 924,416 invitations were sent out from 2009 to 2014. The average participation rate was 68.4%, CRC detection rate was 3.4% and the Advanced Adenoma detection rate was 24.0‰, with differences observed in sex and age. Future scenarios showed a higher decrease of incidence (17.2% vs 14.7%), mortality (28.1% vs 22.4%) and L-y-L (22.6% vs 18.4%) in men than women in 2030. CONCLUSIONS: The Basque Country CRC Programme results are aligned to its strategy and comparable to other programmes. MISCAN model was found to be a useful tool to predict the benefits of the programme in the future. The effectiveness of the Programme has not been formally established as case control studies are required to determine long term benefits from the screening strategy.

Prediction of massive bleeding. Shock index and modified shock index. / Predicción de hemorragia masiva. Índice de shock e índice de shock modificado.

OBJECTIVE: To determine the predictive value of the Shock Index and Modified Shock Index in patients with massive bleeding due to severe trauma. DESIGN: Retrospective cohort. SETTING: Severe trauma patient's initial attention at the intensive care unit of a tertiary hospital. SUBJECTS: Patients older than 14 years that were admitted to the hospital with severe trauma (Injury Severity Score >15) form January 2014 to December 2015. VARIABLES: We studied the sensitivity (Se), specificity (Sp), positive and negative predictive value (PV+ and PV-), positive and negative likelihood ratio (LR+ and LR-), ROC curves (Receiver Operating Characteristics) and the area under the same (AUROC) for prediction of massive hemorrhage. RESULTS: 287 patients were included, 76.31% (219) were male, mean age was 43,36 (±17.71) years and ISS was 26 (interquartile range [IQR]: 21-34). The overall frequency of massive bleeding was 8.71% (25). For Shock Index: AUROC was 0.89 (95% confidence intervals [CI] 0.84 to 0.94), with an optimal cutoff at 1.11, Se was 91.3% (95% CI: 73.2 to 97.58) and Sp was 79.69% (95% CI: 74.34 to 84.16). For the Modified Shock Index: AUROC was 0.90 (95% CI: 0.86 to 0.95), with an optimal cutoff at 1.46, Se was 95.65% (95% CI: 79.01 to 99.23) and Sp was 75.78% (95% CI: 70.18 to 80.62). CONCLUSION: Shock Index and Modified Shock Index are good predictors of massive bleeding and could be easily incorporated to the initial workup of patients with severe trauma.

Effect of oral anticoagulants on the outcome of faecal immunochemical test.

BACKGROUND: We aimed to evaluate whether oral anticoagulants (OACs) alter faecal immunochemical test (FIT) performance in average-risk colorectal cancer (CRC) screening. METHODS: Individuals aged 50-69 years were invited to receive one FIT sample (cutoff 75 ng ml(-1)) between November 2008 and June 2011. RESULTS: Faecal immunochemical test was positive in 9.3% (21 out of 224) of users of OAC and 6.2% (365 out of 5821) of non-users (P-trend=0.07). The positive predictive value (PPV) for advanced neoplasia (AN) in non-users was 50.4% vs 47.6% in users (odds ratio, 0.70; 95% CI, 0.3-1.8; P=0.5). The PPV for AN in OAC more antiplatelets (aspirin or clopidogrel) was 75% (odds ratio, 2; 95% CI, 0.4-10.8; P=0.4). CONCLUSIONS: Oral anticoagulant did not significantly modify the PPV for AN in this population-based colorectal screening program. The detection rate of advanced adenoma was higher in the combination OAC more antiplatelets.

Factors Related to Non-participation in the Basque Country Colorectal Cancer Screening Programme.

Background: Despite the high participation rates in the Basque Country, colorectal cancer screening programme (Spain), there is still a part of the population that has never participated. Since it is essential to ensure equal access to health services, it is necessary to identify the determinants of health and socio-economic factors related to non-participation in the screening programme. Methods: Cross sectional descriptive study including all invited population in a complete round between 2015 and the first trimester of 2017. Health risk factors available in medical records and their control have been analyzed using univariate and multivariate analyses. Results: 515,388 people were invited at the programme with a 71.9% of fecal immunochemical test participation rate. Factors that increase the risk of non-participation are: being men (OR = 1.10, 95% CI 1.09-1.12); younger than 60 (OR = 1.18, 95% CI 1.17-1.20); smoker (OR = 1.20, 95% CI 1.18-1.22); hypertensive (OR = 1.14, 95% CI 1.12-1.15) and diabetic (OR = 1.40, 95% CI 1.36-1.43); having severe comorbidity (OR = 2.09, 95% CI 2.00-2.19) and very high deprivation (OR = 1.15, 95% CI 1.12-1.17), as well as making <6 appointments to Primary Care in 3 years (OR = 2.39, 95% CI 2.33-2.45). Still, the area under the curve (AUC) indicates that there are more factors related to non-participation. Conclusions: The participation in the Basque Country colorectal cancer-screening Programme is related to some risk factors controlled by Primary Care among others. Therefore, the involvement of these professionals could improve, not only the adherence to the CRC screening, but also other health styles and preventive interventions.

Prediction of massive bleeding in a prehospital setting: validation of six scoring systems. / Predicción de hemorragia masiva a nivel extrahospitalario: validación de seis escalas.

OBJECTIVE: To validate the diagnostic ability of six different scores to predict massive bleeding in a prehospital setting. DESIGN: Retrospective cohort. SETTING: Prehospital attention of patients with severe trauma. SUBJECTS: Subjects with more than 15 years, a history of severe trauma (defined by code 15 criteria), that were initially assisted in a prehospital setting by the emergency services between January 2010 and December 2015 and were then transferred to a level one trauma center in Madrid. VARIABLES: To validate: 1. Trauma Associated Severe Haemorrhage Score. 2. Assessment of Blood Consumption Score. 3. Emergency Transfusión Score. 4. Índice de Shock. 5. Prince of Wales Hospital/Rainer Score. 6. Larson Score. RESULTS: 548 subjects were studied, 76,8% (420) were male, median age was 38 (interquartile range [IQR]: 27-50). Injury Severity Score was 18 (IQR: 9-29). Blunt trauma represented 82,5% (452) of the cases. Overall, frequency of MB was 9,2% (48), median intensive care unit admission days was 2,1 (IQR: 0,8 - 6,2) and hospital mortality rate was 11,2% (59). Emergency Transfusión Score had the highest precisions (AUC 0,85), followed by Trauma Associated Severe Haemorrhage score and Prince of Wales Hospital/Rainer Score (AUC 0,82); Assessment of Blood Consumption Score was the less precise (AUC 0,68). CONCLUSION: In the prehospital setting the application of any the six scoring systems predicts the presence of massive hemorrhage and allows the activation of massive transfusion protocols while the patient is transferred to a hospital.

Rotational thromboelastometry (ROTEM) profile in a cohort of asystole donors. / Perfil de tromboelastometría rotacional (ROTEM) en una cohorte de asistolia no controlada.

BACKGROUND: Hypoperfusion plays a central role in shock states, and has been proposed as a coagulopathy trigger. The study of the rotational thromboelastometry (ROTEM) profile during cardiac arrest could offer new insights to the role of hypoperfusion in coagulation during shock states. OUTCOME: To describe the ROTEM profile in a cohort of asystole donors and elucidate the incidence of hyperfibrinolysis. DESIGN: A prospective observational study was carried out in 18 patients consecutively admitted to the ICU after out-of-hospital non-recovered cardiac arrest (CA). Initial rhythm and time between CA and admission were recorded. Conventional coagulation and ROTEM (EXTEM, APTEM, FIBTEM) tests were performed within 30minutes after blood sample collection. SCOPE: An asystole donor reference hospital. PARTICIPANTS: Patients admitted to the ICU after out-of-hospital non-recovered CA. RESULTS: The median age was 50years, and 14 of the patients were men (77.8%). The time from CA to hospital admission expressed as the median (interquartile range) was 91minutes (75-104). The results of the routine tests were: INR 1.25 (1.19-1.34), aPTT 55s (45-73) and fibrinogen 161mg/dl (95-295). For the ROTEM APTEM assay the results were: CT 126s (104-191), CFT 247s (203-694). Hyperfibrinolysis criteria were recorded in 15 patients (83.3%). In addition, MCF improved in APTEM versus EXTEM. Prolonged CA times were associated to lower fibrinogen levels and lower values for MCF FIBTEM (P<.05). CONCLUSIONS: The ROTEM assays revealed severe alterations of the clot formation parameters and a high incidence of hyperfibrinolysis.

Exposure to Radioactive Emanations of Medical Personnel in Percutaneous Nephrolithotomy.

The use of radioactive emanations has been of great importance for the performance of endourology procedures, such as percutaneous nephrolithotomy (NLP). The damage to health caused by radiation has been a sensitive issue. The objective of this work was to determine the dose received by the surgeon during NLP and the total dose generated by the fluoroscope. A cross-sectional study was conducted with data from a cohort study with a duration of 18 months that included 101 patients. Radiation was measured with dosimeter during the last 6 months. During the last 6 months of the study, 34 patients were submitted to surgery. The average age was 47 years. Average fluoroscopy time was 58.3 second (24-122 seconds) in both male and female groups, with 57.16 seconds and 58.95 seconds per case, respectively (P = .6). Radiation emitted during 6 months for the 34 patients was 330.5 mGy. The total radiation measured by the dosimeter was 1 mSv, which is equivalent to 0.3% of the total radiation applied during the procedures. Doses measured by the dosimeter on the surgeon were within the recommended annual doses although dose received by the hands exceeds the authorized limits (500 mSv/y).

[Gastric ulcers caused by post-burning stress: contribution of free radicals]. / Ulceras gástricas de estres postquemadura: contribución de los radicales libres.

The purpose of this study was to analyse the blocking effect of superoxide dismutase (S.O.D.) at doses of 15.000 U.I. per kilogram (body weight), on the release of oxygen-derived free radicals, experimentally caused in the rat by burning 20% of the surface of its body, and its impact over macroscopic and microscopic lesions of the gastric mucosa. We used 48 rats divided into 5 groups. In groups 3 and 5 we provided S.O.D. i.v. immediately after the burn. All the animals had a catheter in their femoral vein for the administration of drugs. Morphologic data showed that 2 hours after the burn S.O.D. did not have any influence on the gastric injury; 5 hours after the burn, the morphologic damage of the gastric mucosa was less severe. The scavenging of the superoxide ion (free radical) by the superoxide dismutase may be responsible of the lower tissular damage of the gastric mucosa. These results confirm that a period of initial ischaemia may be an important etiopathogenic factor in severe lesions of the gastric mucosa after burns.

Patients with cancer in the intensive monitoring unit. New perspectives. / El paciente con cáncer en la unidad de vigilancia intensiva. Nuevas perspectivas.

In recent years, there has been a significant improvement in the survival of patients with cancer in intensive care units (ICUs). Advances in medical and surgical treatments and better selection of patients has helped improve the life expectancy of this type of patient. An appropriate and early resuscitation in the ICU, without initial limitations on the life support techniques, has been shown to also decrease the mortality of patients with cancer. At present, we should not deny admission to the ICU based only on the underlying neoplastic disease. However, the mortality rate for patients with cancer in the ICU, especially those with hematologic disease, remains high. In some cases, an ICU admission test (ICU test) is required for at least 3 days to identify patients who can benefit from intensive treatment. We would like to propose a decision algorithm for ICU admission that will help in making decisions in an often complex situation.

Trends in the prevalences of congenital anomalies and age at motherhood in a Southern European region: a population-based study.

OBJECTIVES: To estimate the prevalences of the main groups of congenital anomalies and to assess their trend over time. DESIGN: Population-based study of prevalences. SETTING: The Basque Country, Spain. PARTICIPANTS: All births and all congenital anomalies diagnosed prenatally, at birth or during the first year of age, in all hospitals of the country, from 1999 to 2008. MAIN OUTCOMES MEASURES: Total diagnosed prevalences and prevalences at birth of all chromosomal and non-chromosomal anomalies, Down's syndrome, anomalies of the nervous system, urinary, limbs, digestive system and congenital heart defects. RESULTS: Mean age (SD) of women at childbirth and the proportion of them over 35 years of age shifted from 32.1 (4.5) years, with 18.3% in 1999-2001, to 32.3 (4.7) years, with 23.9% in 2006-2008. Between 1999 and 2008, 991 cases of chromosomal anomalies and 3090 of non-chromosomal anomalies were diagnosed, which yields, respectively, total prevalences of 5.2‰ and of 16.2‰. Among chromosomal anomalies, Down's syndrome is the most frequent (2.9‰). With marginal statistical significance, the results point at an increasing trend in total diagnosed chromosomal anomalies, but a decreasing one in prevalences at birth. Among non-chromosomal congenital anomalies, congenital heart defects are the most frequent (5.2‰) one. Rates of all non-chromosomal, urinary and limb anomalies grew during the study period, whereas those of congenital heart defects and anomalies of the digestive system did not change significantly. CONCLUSIONS: In the Basque Country, rates of chromosomal anomalies are higher than the overall estimated prevalence in European countries, and continue to increase slightly, which may be related to the rise in maternal age. Rates of non-chromosomal anomalies are within the European frequent range of values, and the increases observed need to be checked in the following years.

Rotura de aorta abdominal secundaria a traumatismo raquídeo / Abdominal aorta rupture secondary to spinal trauma

No disponible

Comparison and improvements of LCMV and MUSIC source localization techniques for use in real clinical environments.

The present work shows some improvements realized on practical aspects of the implementation of Singular Value Decomposition (SVD) methods to localize the sources of neural activity by means of magnetoencephalograph (MEG). Two methods have been improved and compared i.e. a spatial filter, the Linearly Constrained Minimum Variance Beamformer (LCMV) method, and a signal subspace method that is an implementation of the MUSIC (Multiple Signal Classification) method due to Mosher et al. (1992). It also shows the performance of both methods comparing three different averaging procedures. The influence of the correct selection of the noise subspace dimension has been analyzed. Using acoustic stimulus for real patient measurements, we discuss the relevant differences of both methods and propose an adequate strategy for future diagnosis based on correct source localization.

[Bilateral bronchoalveolar lavage: a clinical case, method and discussion]. / Lavado broncoalveolar bilateral secuencial: caso clínico, método y discusión.

Bronchoalveolar lavage is the most effective treatment of alveolar proteinosis. We describe a variant of the usual technique. In a clinical case, we performed bronchoalveolar lavage sequentially in both lungs, without needing to stop the technique after completing the lavage of the first lung, with significant clinical improvement of the patient (pulmonary compliance and saturation). Given the amount of protein-like material lavaged, it was more effective and better tolerated in prone decubitus position. This variant permitted a shorter hospital stay. It avoided new sedation and intubation. The patient could be extubated at a few hours with good clinical tolerance. Lavage of both lungs permitted discharge to ward in less than 24 hours. The result at middle term was similar to the conventional technique. Lavage could be performed again on several occasions with the same clinical tolerance.

Traumatismo ocular infantil con afectación de la agudeza visual en pacientes del Hospital de Clínicas: frecuencia, manejo y resultado visual final / Child ocular trauma affecting visual acuity in patients of the Hospital de Clínicas: frequency, management and final visual result

El objetivo de este trabajo es determinar la frecuencia del traumatismo ocular infantil con afectación de la agudeza visual (AV), manejo de urgencia y relación entre la AV al momento de la consulta y luego de un mes de evolución. Se realizó un estudio observacional, descriptivo, con 318 pacientes menores de 16 años, de ambos sexos, que acudieron al servicio de Oftalmología del Hospital de Clínicas, entre setiembre de 2006 y julio de 2007. De los pacientes que consultaron por traumatismo ocular con afectación de la agudeza visual se analizaron datos demográficos, agente causante del trauma, circunstancia, lugar donde se produjo el accidente, tiempo de evolución, AV, tipo de trauma, zona afecta y tratamiento de urgencia. De los 318 niños que consultaron al departamento de urgencias del servicio durante el periodo de estudio, 101 (31,7%) lo hicieron por traumatismo ocular. De éstos, 55 (54,5%) presentó disminución de la agudeza visual. El trauma fue cerrado en el 85,5% de los pacientes y abierto en el 14,5%. Los principales agentes causantes del trauma fueron rama de plantas, palo, piedra, explosivos, alambre y varilla de hierro. La AV al mes de la primera consulta mejoró en el 83,5% de los casos, permaneció igual en el 14,5% y empeoró en el 2%. Existe una relación directa entre AV inicial y AV al mes de la primera consulta (p= 0,01), y una relación inversa entre el tiempo de evolución y la AV al mes (p= 0,013).El traumatismo ocular infantil es un motivo de consulta frecuente en los servicios de urgencia oftalmológica. La AV inicial y el tiempo de evolución constituyen factores pronósticos de la AV final en estos pacientes.

The objective of this work was to determine the frequency of child ocular trauma affecting visual acuity (VA), management of urgencies and relation between the VA at the time of the consultation and after one month of evolution. This was an observational descriptive study of 318 patients, girls and boys under 16 years who attended the Ophthalmology Service of the Hospital de Clínicas from September, 2006 to July, 2007. The following data of the patients that consulted for eye trauma affecting their visual acuity were analyzed: demographic data, causative agent of the trauma, circumstances, place of accident, time of evolution, VA, trauma type, affected zone and urgency treatment. A total of 318 children consulted the urgency department of the service and 101 (31.7%) of them consulted for eye trauma. Of these, 55 (54.5%) showed a decrease of the visual acuity. The trauma was closed in 85.5% patients and open in 14.5%. The main causative agents of trauma were tree branches, sticks, stones, explosives, wires and iron rods. After one month of consultation, VA improved in 83.5% of the cases, remains equal in 14.5% and worsened in 2%. There was a direct relation between the initial VA and the VA at one month (p = 0.01) and an inverse relation between time of evolution and the VA at one month (p = 0.013). The child eye traumatism is a frequent reason of consultation in the ophthalmic urgency services. The initial VA and the time of evolution are prognosis factors of the final VA of these patients.

El paciente con cáncer en la unidad de vigilancia intensiva. Nuevas perspectivas / Patients with cancer in the intensive monitoring unit. New perspectives

Durante los últimos años, se ha evidenciado una mejoría significativa en la supervivencia de los pacientes con cáncer en las unidades de cuidados intensivos (UCI). Tanto el avance en el tratamiento médico y quirúrgico, como una mejor selección de pacientes, han influido en la mejoría de las expectativas vitales de estos enfermos. En la UCI una resucitación adecuada y precoz, sin limitaciones iniciales a técnicas de soporte vital, ha demostrado disminuir también la mortalidad en los pacientes con cáncer. Actualmente, no debemos denegar el ingreso en UCI solo por la enfermedad neoplásica de base. Aun así, la mortalidad del paciente con cáncer en la UCI, especialmente el hematológico, sigue siendo alta y en algunos casos es necesario realizar una prueba de ingreso en UCI (test de UCI) de, al menos, 3 días para diferenciar a los pacientes que se estén beneficiando de un tratamiento intensivo. Proponemos un algoritmo de decisión al ingreso en la UCI que nos ayude en una situación, a veces, compleja (AU)

In recent years, there has been a significant improvement in the survival of patients with cancer in intensive care units (ICUs). Advances in medical and surgical treatments and better selection of patients has helped improve the life expectancy of this type of patient. An appropriate and early resuscitation in the ICU, without initial limitations on the life support techniques, has been shown to also decrease the mortality of patients with cancer. At present, we should not deny admission to the ICU based only on the underlying neoplastic disease. However, the mortality rate for patients with cancer in the ICU, especially those with hematologic disease, remains high. In some cases, an ICU admission test (ICU test) is required for at least 3 days to identify patients who can benefit from intensive treatment. We would like to propose a decision algorithm for ICU admission that will help in making decisions in an often complex situation (AU)

Lavado broncoalveolar bilateral secuencial: caso clínico, método y discusión / Bilateral bronchoalveolar lavage: a clinical case, method and discussion

El lavado broncoalveolar es el tratamiento más efectivo de la proteinosis alveolar. Describimos una variante de la técnica habitual. Realizamos en un caso clínico el lavado broncoalveolar de forma secuencial en los dos pulmones, sin necesidad de parar la técnica tras finalizar el lavado del primer pulmón, con una importante mejoría clínica del paciente (compliance pulmonar y saturación). Dada la cantidad de material proteináceo lavado fue más eficaz y mejor tolerado en decúbito prono. Esta variante permitió una menor estancia hospitalaria y evitó una nueva sedación e intubación. El paciente pudo extubarse a las pocas horas con buena tolerancia clínica. El lavado de los dos pulmones permitió el alta a planta en menos de 24 horas. El resultado a medio plazo fue similar a la técnica convencional. Pudo realizarse de nuevo el lavado en varias ocasiones con la misma tolerancia clínica

Bronchoalveolar lavage is the most effective treatment of alveolar proteinosis. We describe a variant of the usual technique. In a clinical case, we performed bronchoalveolar lavage sequentially in both lungs, without needing to stop the technique after completing the lavage of the first lung, with significant clinical improvement of the patient (pulmonary compliance and saturation). Given the amount of protein-like material lavaged, it was more effective and better tolerated in prone decubitus position. This variant permitted a shorter hospital stay. It avoided new sedation and intubation. The patient could be extubated at a few hours with good clinical tolerance. Lavage of both lungs permitted discharge to ward in less than 24 hours. The result at middle term was similar to the conventional technique. Lavage could be performed again on several occasions with the same clinical tolerance