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Publications (12)6.84 Total impact

  • Article: The EORTC information questionnaire, EORTC QLQ-INFO25. Validation study for Spanish patients.
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    ABSTRACT: The EORTC QLQ-INFO25 evaluates the information received by cancer patients. This study assesses the psychometric properties of the QLQ-INFO25 when applied to a sample of Spanish patients. A total of 169 patients with different cancers and stages of disease completed the EORTC QLQINFO25, the EORTC QLQ-C30 and the information scales of the inpatient satisfaction module EORTC IN-PATSAT32 on two occasions during the patients' treatment and follow- up period. Psychometric evaluation of the structure, reliability, validity and responsiveness to changes was conducted. Patient acceptability was assessed with a debriefing questionnaire. Multi-trait scaling confirmed the 4 multi-item scales (information about disease, medical tests, treatment and other services) and eight single items. All items met the standards for convergent validity and all except one met the standards of item discriminant validity. Internal consistency for all scales (α>0.70) and the whole questionnaire (α>0.90) was adequate in the three measurements, except information about the disease (0.67) and other services (0.68) in the first measurement, as was test-retest reliability (intraclass correlations >0.70). Correlations with related areas of IN-PATSAT32 (r>0.40) supported convergent validity. Divergent validity was confirmed through low correlations with EORTC QLQ-C30 scales (r<0.30). The EORTC QLQ-INFO-25 discriminated among groups based on gender, age, education, levels of anxiety and depression, treatment line, wish for information and satisfaction. One scale and an item showed changes over time. The EORTC QLQ-INFO 25 is a reliable and valid instrument when applied to a sample of Spanish cancer patients. These results are in line with those of the EORTC validation study.
    Clinical and Translational Oncology 06/2011; 13(6):401-10. · 1.33 Impact Factor
  • Article: The EORTC Quality of Life Questionnaire for patients with prostate cancer: EORTC QLQ-PR25. Validation study for Spanish patients.
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    ABSTRACT: The EORTC Quality of Life (QL) Group has developed a questionnaire, the EORTC QLQ-PR25, for evaluating QL in prostate cancer. The aim of this study is to assess the psychometric properties of the EORTC QLQPR25 when applied to a sample of Spanish patients. One hundred and thirty-seven prostate cancer patients with localised disease who started radiotherapy with radical intention combined with or without hormonotherapy prospectively completed the EORTC QLQ-C30 and EORTC QLQ-PR25 questionnaires three times: on the first and last day of radiotherapy and in the follow-up period. Psychometric evaluation of the questionnaires' structure, reliability and validity was conducted. Multitrait scaling analysis showed that many of the item-scale correlation coefficients met the standards of convergent and discriminant validity. Exceptions appeared mainly in the scales for bowel symptoms and for hormonal- treatment-related symptoms. Cronbach's coefficients of the scales were good (0.72-0.86) for the urinary symptoms and sexual function scales but they were lower (<0.70) for the bowel and hormonal treatment scales. Most scales of the EORTC QLQ-PR25 had low to moderate intercorrelations. Correlations between the scales of the QLQ-C30 and the module were generally low. Group comparison analyses showed better QL in patients with higher Performance Status. Changes in QL appeared throughout the measurements. These were in line with the treatment process. The EORTC QLQ-PR25 was a reliable and valid instrument when applied to a sample of Spanish prostate cancer patients. These results are in line with those of the EORTC validation study.
    Clinical and Translational Oncology 03/2009; 11(3):160-4. · 1.33 Impact Factor
  • Article: [The clinical application of intensity-modulated radiation therapy].
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    ABSTRACT: Intensity-modulated radiation therapy (IMRT) represents one of the greatest technical innovations in modern radiotherapy. Its capacity of achieving treatments with the dose conforming largely to the irradiated area makes it possible to treat volumes close to organs at risk with great safety These characteristics make it an ideal technique for studies, whether for reducing toxicity in organs at risk, or for intensifying dosages to improve the control of the disease. The first part of the article considers what is understood by IMRT and its peculiar dosimetric characteristics, as well the types of IMRT; the second part deals with the clinical evidence in some localisations such as tumours of the head and neck, prostate and breast.
    Anales del sistema sanitario de Navarra 01/2009; 32 Suppl 2:21-31. · 0.32 Impact Factor
  • Article: [Clinical impact of image guided radiotherapy].
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    ABSTRACT: Image guided radiotherapy (IGR) is a concept that encompasses the most modern way of administering radiotherapy treatment. The aim is to maximise the dose deposited in the target volume, minimising the dose in healthy organs. This would not be possible without the continuous development of technology and software, above all in the following areas: deformable image registration, replanning new treatments, real time image and calculation of accumulated dose. While the clinical impact is evident, little is said about the impact on the reorganisation of the Radiotherapy Oncology services. IGR supposes training all team members involved, with a training and a starting period. With the experience acquired, the time dedicated to each patient (in all stages of treatment: simulation, planning, starting out, systems for verifying position, on-line, off-line corrections, replanning, periodic clinical controls) is far higher than that required in conventional radiotherapy, which gives rise to new responsibilities and roles.
    Anales del sistema sanitario de Navarra 01/2009; 32 Suppl 2:33-7. · 0.32 Impact Factor
  • Article: Impact of radiotherapy on the quality of life of elderly patients with localized breast cancer. A prospective study.
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    ABSTRACT: There are few studies on the effect on quality of life (QL) of cancer-related illness and treatment in elderly patients. The aim of this work was to evaluate prospectively QL in a sample of elderly patients with stages I.III breast cancer who started radiotherapy treatment and compare their QL with that of a sample of younger patients. Forty-eight patients, > or = 65 years of age completed the European Organization for Research and Treatment of Cancer (EORTC) QL questionnaires QLQ-C30 and QLQ-BR23, and the Interview for Deterioration in Daily Living Activities in Dementia (IDDD) daily activities scale three times throughout treatment and follow-up periods. Clinical and demographic data were also recorded. Fifty patients ages 40-64 years with the same disease stage and treatment modality had previously completed the QL questionnaires. QL scores, changes in them among the three assessments, differences between groups based on clinical factors, and differences between the two samples were calculated. QL scoring was good and stable (>70/100 points) in most areas, in line with clinical data. Light and moderate limitations occurred in global QL and some emotional, sexual, and treatment-related areas. Moderate decreases (10-20) appeared in some toxicity-related areas, which recovered during the follow-up period. Breast-conservation and sentinel-node patients presented higher scores in emotional areas. There were few QL differences among agebased samples. QL and clinical data indicate radiotherapy was well tolerated. Age should not be the only factor evaluated when deciding upon treatment for breast cancer patients.
    Clinical and Translational Oncology 09/2008; 10(8):498-504. · 1.33 Impact Factor
  • Article: [Medullar compression].
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    ABSTRACT: Medullar compression is an oncological and neurological emergency, whose diagnosis and early treatment are key factors for avoiding severe and irreversible neurological damage. Paralysis, loss of consciousness and alteration in control of the sphincters are the final consequence of the process, and represent an important source of morbidity of the oncology patient, besides being related to a shorter time of survival. The invasion of the vertebral body by haematogenous dissemination is the most frequent cause of medullar compression. On occasions it can create mechanical vertebral instability which represents a real orthopaedic emergency. Pain is the earliest and most frequent symptom. The signs and symptoms appear to the degree that the process advances, passing through motor weakness, alterations in consciousness until paralysis and incontinence of the sphincters are reached, as a result of complete neurological damage. Clinical history and physical exploration should lead to suspicion about the level at which medullar compression is developing, and the most important complementary exploration is MR of the entire spine, which should be requested immediately in order to decide on starting treatment. Treatment is individualised and must be started early. In general, corticoids in combination with radiotherapeutic oncological treatment and/or surgery are the therapeutic weapons to employ.
    Anales del sistema sanitario de Navarra 02/2004; 27 Suppl 3:155-62. · 0.32 Impact Factor
  • Article: [Metastatic bone disease. Diagnosis and treatment].
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    ABSTRACT: The high incidence of bone metastasis secondary to carcinomas and its serious functional repercussion are motives for constant study and advance in the methods of evaluation, diagnosis and treatment. Pain is the most frequently shown symptom, although at times the start is a pathological fracture. The classic tests of detection and evaluation of the spread of the metastatic disease, simple radiology and gammagraphy, are today complemented by others such as computerised tomography (CT) and magnetic resonance (MR), improving the information on the characteristics of the lesion both inside and outside the bone. On the other hand, positron emission tomography (PET) is showing a far higher sensitivity than gammagraphy and will probably be the test of the future for the early detection of metastasis and of silent primary tumours. The possibilities of treatment of bone metastasis are based on the use of bone regenerators, radiotherapy and surgery. The former two are indicated in lesions already detected in radiography, whether symptomatic or not, if there is no foreseeable risk of fracture. Surgery is indicated in situations of poor or null response to those treatments, when the risk of fracture is high or a pathological fracture has been produced. Before any therapeutic planning, a detailed evaluation of the patient must be carried out, both at a local level (size, site, extension of the metastasis) and general (type of primary tumour, phase of treatment and response, estimated survival).
    Anales del sistema sanitario de Navarra 02/2004; 27 Suppl 3:137-53. · 0.32 Impact Factor
  • Article: [Respiratory emergencies].
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    ABSTRACT: Respiratory emergencies in a patient with cancer can have their origin in pathologies of the airway, of the pulmonary parenchyma or the large vessels. The cause can be the tumour itself or concomitant complications. Obstruction of the airway should be initially evaluated with endoscopic procedures. Surgery is rarely possible in serious situations. The endobronchial placement of stents or radioactive isotopes (brachytherapy), tumoural ablation by laser or photodynamic therapy can quickly alleviate the symptoms and re-establish the air flow. Treatment of haemoptysis depends on the cause that is provoking it and on its quantity. Bronchoscopy continues to be the front line procedure in the majority of cases; it provides diagnostic information and can interrupt bleeding through washes with ice-cold serum, endobronchial plugging or topical injections of adrenaline or thrombin. External radiotherapy continues to be an extraordinarily useful procedure in treating haemoptysis caused by tumours and in carefully selected situations of endobronchial therapy with laser or brachytherapy, and bronchial arterial embolisation can provide a great palliative effect. Respiratory emergencies due to pulmonary parenchyma disease in the oncology patient can have a tumoural, iatrogenic or infectious cause. Early recognition of each of these will determine the administration of a specific treatment and the possibilities of success.
    Anales del sistema sanitario de Navarra 02/2004; 27 Suppl 3:87-97. · 0.32 Impact Factor
  • Article: [Neutropenia and fever in the patient with cancer].
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    ABSTRACT: Infection in the immunocompromised host is a serious clinical situation due to its high morbi-mortality and is one of the most frequent complications in the patient with cancer. In patients treated with chemotherapy, the risk of infection basically depends on the duration and intensity of the neutropenia. It is essential to evaluate, the most probable pathogen involved to initiate, a priori, the most suitable treatment, and also to evaluate the general clinical situation of the patient, because from the very beginning the treatment is quite aggressive. Outpatient care is possible for patients at "low risk" of complications. By evaluating the antecedents and clinical history of the patient, through physical exploration and from the data of laboratory and radiological explorations these points can be acknowledged. The early start of broad spectrum antibiotherapy is crucial, and in this chapter we review the most recent therapeutical recommendations.
    Anales del sistema sanitario de Navarra 02/2004; 27 Suppl 3:33-43. · 0.32 Impact Factor
  • Article: [Malign obstruction of the superior vena cava].
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    ABSTRACT: The present paper offers a review of the malign syndromes of the superior vena cava, their clinical expressions related to the anatomical characteristics of the compartment where the superior vena cava runs, the diagnostic requirements for realising treatment under the best conditions and the ensemble of measures that must be adopted in dealing with this.
    Anales del sistema sanitario de Navarra 02/2004; 27 Suppl 3:99-107. · 0.32 Impact Factor
  • Article: [Acute dysphagia of oncological origin. Therapeutic management].
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    ABSTRACT: Dysphagia is one of the most frequent syndromes in patients with tumours of the head and neck, and the oesophagus. This can be the initial symptom or, more frequently, related to the oncological treatment. We review the most important therapeutic and physio-pathological aspects of acute dysphagia of oncological origin. Deglutition is a complex process in which numerous muscular-skeletal structures intervene under the neurological control of different cranial nerves. The complex neuro-muscular coordination needed for a correct deglutition can be affected by numerous situations, both from the effect of the tumours and from their treatment, basically surgery or radiotherapy. In conclusion, it can be affirmed that for a suitable treatment of oncological dysphagia, a correct initial evaluation and an active treatment are required, since not only the patient's quality of life but, on numerous occasions, the possibility of continuing the treatment and thus maintaining the possibilities of a cure depend on control of the dysphagia.
    Anales del sistema sanitario de Navarra 02/2004; 27 Suppl 3:109-15. · 0.32 Impact Factor
  • Article: [Health-related quality of life in the oncology departments of the hospital of Navarra. The EORTC Quality of Life Group].
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    ABSTRACT: Quality of life assessment is one of the key elements of the care that is offered to cancer patients. The aim of this work is to present the research line on quality of life that has been carried out since 1992 in the Oncology Departments of the Hospital de Navarra. These departments actively collaborate with the European Organisation of Research and Treatment of Cancer - EORTC - Quality of Life Group in creating questionnaires and also in other projects of this group. Our institution has coordinated the development process of the EORTC information module. Different EORTC questionnaires have been validated for use in our country. Quality of life studies have been carried out in the main tumour sites and in other areas, such as patients' satisfaction with care. This research line has a direct benefit on the attention that patients receive.
    Anales del sistema sanitario de Navarra 34(1):9-20. · 0.32 Impact Factor