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1.
Eur J Clin Pharmacol ; 79(2): 289-297, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36562830

RESUMO

PURPOSE: For controlling symptoms in Parkinson's disease (PD) together with treating additional comorbidities, patients often face complex medication regimens, with suboptimal adherence, drug-related problems, and diminished therapy efficacy as a common consequence. A medication review could potentially tackle these issues, among others by optimizing drug treatment. Even if no change in clinical outcomes is observed, this intervention might decrease health care costs by reducing drug-related problems and hospital admissions. This study aimed to gain more insight in the health benefits and costs of a structured medication review (SMR) in PD. METHODS: A cost-utility analysis was performed, based on a multicenter randomized controlled trial with 202 PD patients with polypharmacy. The intervention group received an SMR, whereas the control group received usual care. The intervention effect after 6 months of follow-up was presented as incremental quality-adjusted life years (QALY) using the EQ-5D-5L questionnaire. Costs were based on real-world data. Missing data was imputed using multiple imputation techniques. Bootstrapping was used to estimate the uncertainty in all health and economic outcomes. RESULTS: The QALY gain in the intervention group compared to the control group was - 0.011 (95% CI - 0.043; 0.020). Incremental costs were €433 (95% CI - 873; 1687). When adapting a willingness-to-pay threshold of €20,000/QALY and €80,000/QALY, the probability of SMRs being cost-effective was 18% and 30%, respectively. CONCLUSION: A community pharmacist-led SMR in PD patients in the current setting shows no apparent benefit and is not cost-effective after 6 months, compared to usual care. TRIAL REGISTRATION: Netherlands Trial Register, NL4360. Registered 17 March 2014.


Assuntos
Doença de Parkinson , Humanos , Análise Custo-Benefício , Doença de Parkinson/tratamento farmacológico , Revisão de Medicamentos , Custos de Cuidados de Saúde , Farmacêuticos , Anos de Vida Ajustados por Qualidade de Vida , Qualidade de Vida
2.
Neuroimage Clin ; 37: 103292, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36565574

RESUMO

BACKGROUND: Physical exercise in cancer patients is a promising intervention to improve cognition and increase brain volume, including hippocampal volume. We investigated whether a 6-month exercise intervention primarily impacts total hippocampal volume and additionally hippocampal subfield volumes, cortical thickness and grey matter volume in previously physically inactive breast cancer patients. Furthermore, we evaluated associations with verbal memory. METHODS: Chemotherapy-exposed breast cancer patients (stage I-III, 2-4 years post diagnosis) with cognitive problems were included and randomized in an exercise intervention (n = 70, age = 52.5 ± 9.0 years) or control group (n = 72, age = 53.2 ± 8.6 years). The intervention consisted of 2x1 hours/week of supervised aerobic and strength training and 2x1 hours/week Nordic or power walking. At baseline and at 6-month follow-up, volumetric brain measures were derived from 3D T1-weighted 3T magnetic resonance imaging scans, including hippocampal (subfield) volume (FreeSurfer), cortical thickness (CAT12), and grey matter volume (voxel-based morphometry CAT12). Physical fitness was measured with a cardiopulmonary exercise test. Memory functioning was measured with the Hopkins Verbal Learning Test-Revised (HVLT-R total recall) and Wordlist Learning of an online cognitive test battery, the Amsterdam Cognition Scan (ACS Wordlist Learning). An explorative analysis was conducted in highly fatigued patients (score of ≥ 39 on the symptom scale 'fatigue' of the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire), as previous research in this dataset has shown that the intervention improved cognition only in these patients. RESULTS: Multiple regression analyses and voxel-based morphometry revealed no significant intervention effects on brain volume, although at baseline increased physical fitness was significantly related to larger brain volume (e.g., total hippocampal volume: R = 0.32, B = 21.7 mm3, 95 % CI = 3.0 - 40.4). Subgroup analyses showed an intervention effect in highly fatigued patients. Unexpectedly, these patients had significant reductions in hippocampal volume, compared to the control group (e.g., total hippocampal volume: B = -52.3 mm3, 95 % CI = -100.3 - -4.4)), which was related to improved memory functioning (HVLT-R total recall: B = -0.022, 95 % CI = -0.039 - -0.005; ACS Wordlist Learning: B = -0.039, 95 % CI = -0.062 - -0.015). CONCLUSIONS: No exercise intervention effects were found on hippocampal volume, hippocampal subfield volumes, cortical thickness or grey matter volume for the entire intervention group. Contrary to what we expected, in highly fatigued patients a reduction in hippocampal volume was found after the intervention, which was related to improved memory functioning. These results suggest that physical fitness may benefit cognition in specific groups and stress the importance of further research into the biological basis of this finding.


Assuntos
Neoplasias da Mama , Humanos , Adulto , Pessoa de Meia-Idade , Feminino , Neoplasias da Mama/diagnóstico por imagem , Neoplasias da Mama/patologia , Substância Cinzenta/diagnóstico por imagem , Qualidade de Vida , Exercício Físico , Hipocampo/diagnóstico por imagem , Hipocampo/patologia , Imageamento por Ressonância Magnética/métodos
3.
Breast Cancer Res ; 24(1): 36, 2022 05 26.
Artigo em Inglês | MEDLINE | ID: mdl-35619188

RESUMO

BACKGROUND: Up to 60% of breast cancer patients treated with chemotherapy is confronted with cognitive problems, which can have a significant impact on daily activities and quality of life (QoL). We investigated whether exercise training improves cognition in chemotherapy-exposed breast cancer patients 2-4 years after diagnosis. METHODS: Chemotherapy-exposed breast cancer patients, with both self-reported cognitive problems and lower than expected performance on neuropsychological tests, were randomized to an exercise or control group. The 6-month exercise intervention consisted of supervised aerobic and strength training (2 h/week), and Nordic/power walking (2 h/week). Our primary outcome was memory functioning (Hopkins Verbal Learning Test-Revised; HVLT-R). Secondary outcomes included online neuropsychological tests (Amsterdam Cognition Scan; ACS), self-reported cognition (MD Anderson Symptom Inventory for multiple myeloma; MDASI-MM), physical fitness (relative maximum oxygen uptake; VO2peak), fatigue (Multidimensional Fatigue Inventory), QoL (European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire; EORTC QLQ C-30), depression (Patient Health Questionnaire-9, Hospital Anxiety and Depression Scale; HADS), and anxiety (HADS). HVLT-R total recall was analyzed with a Fisher exact test for clinically relevant improvement (≥ 5 words). Other outcomes were analyzed using multiple regression analyses adjusted for baseline and stratification factors. RESULTS: We randomized 181 patients to the exercise (n = 91) or control group (n = 90). Two-third of the patients attended ≥ 80% of the exercise sessions, and physical fitness significantly improved compared to control patients (B VO2peak 1.4 ml/min/kg, 95%CI:0.6;2.2). No difference in favor of the intervention group was seen on the primary outcome. Significant beneficial intervention effects were found for self-reported cognitive functioning [MDASI-MM severity (B-0.7, 95% CI - 1.2; - 0.1)], fatigue, QoL, and depression. A hypothesis-driven analysis in highly fatigued patients showed positive exercise effects on tested cognitive functioning [ACS Reaction Time (B-26.8, 95% CI - 52.9; - 0.6) and ACS Wordlist Learning (B4.4, 95% CI 0.5; 8.3)]. CONCLUSIONS: A 6-month exercise intervention improved self-reported cognitive functioning, physical fitness, fatigue, QoL, and depression in chemotherapy-exposed breast cancer patients with cognitive problems. Tested cognitive functioning was not affected. However, subgroup analysis indicated a positive effect of exercise on tested cognitive functioning in highly fatigued patients. Trial Registration Netherlands Trial Registry: Trial NL5924 (NTR6104). Registered 24 October 2016, https://www.trialregister.nl/trial/5924 .


Assuntos
Neoplasias da Mama , Neoplasias da Mama/complicações , Neoplasias da Mama/tratamento farmacológico , Cognição , Exercício Físico , Fadiga/induzido quimicamente , Feminino , Humanos , Oxigênio , Consumo de Oxigênio , Qualidade de Vida , Resultado do Tratamento
4.
Clin Oncol (R Coll Radiol) ; 34(6): 355-362, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-34838396

RESUMO

AIMS: To analyse the disease-free survival and overall survival in older adults with breast cancer after breast-conserving therapy, focusing on the relevance of non-breast malignancy (NBM) with respect to survival rates. MATERIALS AND METHODS: Analyses were based on 1205 women aged 65 years and older with breast cancer treated with breast-conserving therapy between 1999 and 2015. Patients were divided into three age categories: 65-70, 71-75 and >75 years. Multivariate survival analysis was carried out using Cox regression analysis. RESULTS: The two youngest age categories showed excellent results, with a 12-year disease-free survival of 84.6 and 86.3%, respectively. We noted a 17.2% incidence of NBM, particularly for colon cancer and lung cancer. Most (72.9%) occurred after a diagnosis of breast cancer. Of those 72.9%, about 50% died as a result of NBM within 2 years of the diagnosis of NBM. The overall 12-year NBM-specific survival was 92.0%. The 12-year overall survival was 60.0% for all and for the three abovementioned age categories was 73.3, 54.4 and 28.4%, respectively. The cause of death for all was predominantly non-malignancy-related morbidity. CONCLUSION: The impact of breast cancer on life expectancy was limited, in particularly for women aged 65-75 years. The relevance of NBM on survival was limited.


Assuntos
Neoplasias da Mama , Idoso , Neoplasias da Mama/epidemiologia , Neoplasias da Mama/patologia , Neoplasias da Mama/terapia , Feminino , Humanos , Masculino , Mastectomia Segmentar , Estadiamento de Neoplasias , Análise de Sobrevida , Taxa de Sobrevida
5.
Clin Microbiol Infect ; 25(5): 629.e7-629.e12, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-30145403

RESUMO

OBJECTIVES: The aim of this study was to determine whether assessment of wound infection differs when culture results from wound biopsy versus wound swab are available in clinical practice. METHODS: For 180 eligible patients, a swab and biopsy were taken from one wound during a regular appointment at a wound care facility in eastern Netherlands. Culture results from both methods were supplemented with clinical information and provided to a panel of six experts who independently assessed each wound as infect or not, separately for swab and biopsy. Assessments for biopsy and swab were compared for the complete expert panel, and for individual experts. RESULTS: The complete expert panel provided the same wound assessment based on (clinical information and) culture results from wound biopsy and wound swab in 158 of 180 wounds (87.8%, kappa 0.67). For individual experts, agreement between biopsy and swab varied between 77% and 96%. However, there were substantial differences between experts: the same assessment was provided in 62 (34.4%) to 76 (42.2%) wounds for swab and biopsy respectively. CONCLUSIONS: Assessment of infection does not significantly differ when culture results from swabs or biopsies are available. The substantial variability between individual experts indicates non-uniformity in the way wounds are assessed. This complicates accurate detection of infection and comparability between studies using assessment of infection as reference standard.


Assuntos
Biópsia/métodos , Técnicas Microbiológicas/métodos , Manejo de Espécimes/métodos , Infecção dos Ferimentos/diagnóstico , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Países Baixos , Variações Dependentes do Observador , Estudos Prospectivos , Sensibilidade e Especificidade
6.
Lung Cancer ; 125: 223-229, 2018 11.
Artigo em Inglês | MEDLINE | ID: mdl-30429025

RESUMO

OBJECTIVES: Lung cancer is a leading cause of mortality. Exhaled-breath analysis of volatile organic compounds (VOC's) might detect lung cancer early in the course of the disease, which may improve outcomes. Subtyping lung cancers could be helpful in further clinical decisions. MATERIALS AND METHODS: In a prospective, multi-centre study, using 10 electronic nose devices, 144 subjects diagnosed with NSCLC and 146 healthy subjects, including subjects considered negative for NSCLC after investigation, breathed into the Aeonose™ (The eNose Company, Zutphen, Netherlands). Also, analyses into subtypes of NSCLC, such as adenocarcinoma (AC) and squamous cell carcinoma (SCC), and analyses of patients with small cell lung cancer (SCLC) were performed. RESULTS: Choosing a cut-off point to predominantly rule out cancer resulted for NSCLC in a sensitivity of 94.4%, a specificity of 32.9%, a positive predictive value of 58.1%, a negative predictive value (NPV) of 85.7%, and an area under the curve (AUC) of 0.76. For AC sensitivity, PPV, NPV, and AUC were 81.5%, 56.4%, 79.5%, and 0.74, respectively, while for SCC these numbers were 80.8%, 45.7%, 93.0%, and 0.77, respectively. SCLC could be ruled out with a sensitivity of 88.9% and an NPV of 96.8% with an AUC of 0.86. CONCLUSION: Electronic nose technology with the Aeonose™ can play an important role in rapidly excluding lung cancer due to the high negative predictive value for various, but not all types of lung cancer. Patients showing positive breath tests should still be subjected to further diagnostic testing.


Assuntos
Neoplasias Pulmonares/diagnóstico , Idoso , Área Sob a Curva , Testes Respiratórios/métodos , Carcinoma Pulmonar de Células não Pequenas/diagnóstico , Nariz Eletrônico , Expiração/fisiologia , Feminino , Humanos , Neoplasias Pulmonares/metabolismo , Masculino , Pessoa de Meia-Idade , Países Baixos , Estudos Prospectivos , Sensibilidade e Especificidade , Carcinoma de Pequenas Células do Pulmão/diagnóstico , Carcinoma de Pequenas Células do Pulmão/metabolismo , Compostos Orgânicos Voláteis/metabolismo
8.
Neth Heart J ; 25(6): 388-393, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-28205119

RESUMO

AIMS: Cryoballoon pulmonary vein (PV) isolation in patients with atrial fibrillation has proven to be effective in short-term and long-term follow-up. To visualise the PV anatomy, pre-ablation contrast pulmonary venography is commonly performed. Three-dimensional (3D) computed tomography (CT) overlay is a new technique creating a live 3D image of the left atrium by integrating a previously obtained CT scan during fluoroscopy. To evaluate the benefits of 3D CT overlay during cryoballoon ablation, we studied the use of 3D CT overlay versus contrast pulmonary venography in a randomised fashion in patients with paroxysmal atrial fibrillation undergoing cryoballoon PV isolation. METHODS AND RESULTS: Between October 2012 and June 2013, 30 patients accepted for PV isolation were randomised to cryoballoon PV isolation using either 3D CT overlay or contrast pulmonary venography. All patients underwent a pre-procedural cardiac CT for evaluation of the anatomy of the left atrium (LA) and the PVs. In the 3D CT overlay group, a 3D reconstruction of the LA and PVs was made. An overlay of the CT reconstruction was then projected over live fluoroscopy. Patients in the contrast pulmonary venography group received significantly more contrast agent (77.1 ± 21.2 cc vs 40.1 ± 17.6 cc, p < 0.001) and radiation (43.0 ± 21.9 Gy.cm2 vs 28.41 ± 11.7 Gy.cm2, p = 0.04) than subjects in the 3D CT overlay group. There was no difference in total procedure time, fluoroscopy time and the amount of cryoapplications between the two groups. CONCLUSION: The use of 3D CT overlay decreases radiation and contrast dye exposure and can assist in guiding cryoballoon-based PV isolation.

9.
Neth Heart J ; 24(12): 709-716, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-27561279

RESUMO

OBJECTIVE: In chronic fatigue syndrome (CFS), only a few imaging and histopathological studies have previously assessed either cardiac dimensions/function or myocardial tissue, suggesting smaller left ventricular (LV) dimensions, LV wall motion abnormalities and occasionally viral persistence that may lead to cardiomyopathy. The present study with cardiac magnetic resonance (CMR) imaging is the first to use a contrast-enhanced approach to assess cardiac involvement, including tissue characterisation of the LV wall. METHODS: CMR measurements of 12 female CFS patients were compared with data of 36 age-matched, healthy female controls. With cine imaging, LV volumes, ejection fraction (EF), mass, and wall motion abnormalities were assessed. T2-weighted images were analysed for increased signal intensity, reflecting oedema (i. e. inflammation). In addition, the presence of contrast enhancement, reflecting fibrosis (i. e. myocardial damage), was analysed. RESULTS: When comparing CFS patients and healthy controls, LVEF (57.9 ± 4.3 % vs. 63.7 ± 3.7 %; p < 0.01), end-diastolic diameter (44 ± 3.7 mm vs. 49 ± 3.7 mm; p < 0.01), as well as body surface area corrected LV end-diastolic volume (77.5 ± 6.2 ml/m2 vs. 86.0 ± 9.3 ml/m2; p < 0.01), stroke volume (44.9 ± 4.5 ml/m2 vs. 54.9 ± 6.3 ml/m2; p < 0.001), and mass (39.8 ± 6.5 g/m2 vs. 49.6 ± 7.1 g/m2; p = 0.02) were significantly lower in patients. Wall motion abnormalities were observed in four patients and contrast enhancement (fibrosis) in three; none of the controls showed wall motion abnormalities or contrast enhancement. None of the patients or controls showed increased signal intensity on the T2-weighted images. CONCLUSION: In patients with CFS, CMR demonstrated lower LV dimensions and a mildly reduced LV function. The presence of myocardial fibrosis in some CFS patients suggests that CMR assessment of cardiac involvement is warranted as part of the scientific exploration, which may imply serial non-invasive examinations.

10.
World J Surg ; 40(12): 2881-2887, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-27495315

RESUMO

BACKGROUND: This prospective study evaluated the impact of the results of unenhanced magnetic resonance imaging (MRI) on the surgeon's diagnosis of acute appendicitis in potentially fertile females. METHODS: 112 female patients, aged 12-55, with suspected appendicitis underwent MRI of the abdomen. At three defined intervals; admission and clinical re-evaluation before and after revealing the MRI results, the surgeon recorded the attendance of each patient in operative treatment, observation or discharge. Appendicitis was confirmed or declined by pathology or by telephone follow-up in case of non-intervention. FINDINGS: Appendicitis was confirmed in 29 of 112 patients. At admission the surgeon's disposition had a sensitivity of 97 % and specificity of 29 %. After knowing the MRI results, sensitivity was 97 % and specificity 64 %. The sensitivity and specificity of MRI alone were 89 and 100 %, with a negative and positive predictive value of 96 and 100 %, respectively. CONCLUSION: We believe that MRI should perhaps be standard in all female patients during their reproductive years with suspected appendicitis. It avoids an operation in 32 % of cases and allows earlier planning for patients with an equivocal clinical picture. Trial number: OND1292733 (Narcis.nl).


Assuntos
Apendicite/cirurgia , Tomada de Decisões , Imageamento por Ressonância Magnética/métodos , Doença Aguda , Adolescente , Adulto , Apendicite/diagnóstico por imagem , Criança , Feminino , Humanos , Pessoa de Meia-Idade , Estudos Prospectivos , Cirurgiões , Adulto Jovem
11.
Neth J Med ; 74(7): 292-300, 2016 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-27571944

RESUMO

BACKGROUND: In the past years, interest in patient treatment preferences is growing. Our objectives were: (1) to assess and compare the minimal required benefit for patients with cancer, patients without cancer and healthcare professionals to make chemotherapy acceptable and (2) to obtain insight into attitudes towards societal costs of cancer treatment. PATIENTS AND METHODS: We performed a prospective survey consisting of hypothetical scenarios among patients with cancer, patients without cancer and healthcare professionals. Participants were asked to indicate the minimal desired benefit in terms of chance of cure, life prolongation and symptom relief which would make intensive and mild chemotherapy regimens acceptable. In two other scenarios, attitudes towards monthly costs for chemotherapy treatment were examined. RESULTS: The minimal benefit required to make chemotherapy acceptable did not differ between cancer and non-cancer patients, with respect to chance of cure (mean 57%), life prolongation (median 24 months) and symptom relief (mean 50%); healthcare providers were likely to accept the same chemotherapy regimen at lower thresholds (p < 0.01). Education level was an important explanatory variable and the differences between patients and healthcare professionals disappeared when corrected for education level. Opinions about the maximum acceptable costs for chemotherapy displayed a large spread between the groups. CONCLUSIONS: Minimal benefits to accept chemotherapy were not different between cancer and non-cancer patients, but are beyond what can generally can be achieved. Healthcare professionals were willing to accept chemotherapy for less benefit. This difference may be attributed to a difference in education level between the groups. Healthcare professionals rated the maximum acceptable societal cost for chemotherapy lower than patients.


Assuntos
Antineoplásicos/uso terapêutico , Atitude do Pessoal de Saúde , Atitude Frente a Saúde , Custos de Medicamentos , Neoplasias/tratamento farmacológico , Aceitação pelo Paciente de Cuidados de Saúde , Adulto , Idoso , Antineoplásicos/economia , Atitude , Tomada de Decisões , Feminino , Humanos , Modelos Lineares , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Países Baixos , Enfermeiras e Enfermeiros , Preferência do Paciente , Médicos , Estudos Prospectivos , Medição de Risco , Inquéritos e Questionários
12.
Breast Cancer Res Treat ; 153(2): 277-83, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-26268697

RESUMO

The aims of this study were twofold: to analyze the incidence of patients having synchronous or metachronous bilateral invasive breast cancer (SBBC and MBBC) and to assess the characteristics and outcome compared to those having unilateral breast cancer (UBC). The used data were obtained from our prospective population-based cohort study which had been started in 1983. Bilateral breast cancer (BBC) was categorized as SBBC (≤3 months of the first primary) or MBBC (>3 months after the first primary). The incidence of SBBC was 1% and that of MBBC 7.0 %. Patients with UBC showed more ductal carcinoma compared to patients with BBC. MBBC status was an independent significant predictor of local failure (HR 1.9; 95% CI 1.3-2.7). SBBC status was an independent predictor of distant metastases (HR 2.6; 95% CI 1.4-4.5). Overall survival (OS) was better for MBBC (HR 0.6; 95% CI 0.4-0.8) and worse for SBBC (HR 2.3; 95% CI 1.5-3.6) compared to UBC. We noted: (1) MBBC showed a significant higher local failure compared to UBC, (2) SBBC, compared to MBBC and UBC had a significant higher distant metastases rate, (3) disease-specific survival and OS were significantly worse for SBBC compared to UBC and MBBC, and (4) that the OS for MBBC compared to UBC, was significantly better.


Assuntos
Neoplasias da Mama/epidemiologia , Neoplasias da Mama/patologia , Neoplasias Primárias Múltiplas/epidemiologia , Segunda Neoplasia Primária/epidemiologia , Adulto , Idoso , Neoplasias da Mama/mortalidade , Neoplasias da Mama/terapia , Estudos de Coortes , Feminino , Seguimentos , Humanos , Incidência , Pessoa de Meia-Idade , Gradação de Tumores , Metástase Neoplásica , Recidiva Local de Neoplasia , Estadiamento de Neoplasias , Neoplasias Primárias Múltiplas/mortalidade , Neoplasias Primárias Múltiplas/terapia , Segunda Neoplasia Primária/mortalidade , Segunda Neoplasia Primária/terapia , Avaliação de Resultados da Assistência ao Paciente , Prognóstico , Sistema de Registros , Fatores de Risco , Análise de Sobrevida , Carga Tumoral , Neoplasias Unilaterais da Mama/epidemiologia , Neoplasias Unilaterais da Mama/mortalidade , Neoplasias Unilaterais da Mama/terapia , Adulto Jovem
13.
Acta Chir Belg ; 115(3): 191-7, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26158249

RESUMO

BACKGROUND: To evaluate the long-term outcome after aortoiliac kissing stent placement and to analyze variables, which potentially influence the outcome of endovascular reconstruction of the aortic bifurcation. METHODS: All patients treated with aortoiliac kissing stents at our institution between April 1995 and August 2011 were retrospectively identified from a prospective single-center database. Data regarding patient characteristics (age, gender, smoking, cardio- and cerebrovascular risk factors, hyperlipidaemia, diabetes mellitus and use of antihypertensive medication), symptoms, pre-interventional examination and imaging, procedural details and follow-up were retrieved. Patency rates were calculated with Kaplan-Meier analysis. Factors affecting the patency were determined with Cox uni- and multivariate analysis. RESULTS: A total of 215 patients (63% men, mean age 61 ±â€ˆ10 years) were included. The median follow-up period was 31 (IQR 47.1) months. Primary, primary assisted, and secondary patency rates were 97%, 97%, and 99%, respectively, at one month; 92%, 95% and 94% at four months; 75%, 86%, and 91% at two years; 70%, 81%, and 91% at 5 years; and 67%, 81%, and 91% at ten years. Younger age and previous aortoiliac treatment were predictors for reduced primary and primary assisted patency. Smoking, previous aortoiliac intervention, TASC C and D lesions were predictors for reduced secondary patency. CONCLUSIONS: Reconstruction of the aortoiliac bifurcation with kissing stents is feasible, safe and effective in all types of lesions with satisfying long term patencies. TASC C and D lesions are associated with a higher occlusion rate. Younger age and previous aortoiliac interventions are predictors for reduced primary and primary assisted patency.


Assuntos
Doenças da Aorta/terapia , Procedimentos Endovasculares , Stents , Idoso , Arteriopatias Oclusivas , Feminino , Oclusão de Enxerto Vascular/prevenção & controle , Humanos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Estudos Retrospectivos , Fatores de Risco , Resultado do Tratamento , Grau de Desobstrução Vascular
14.
Stat Med ; 32(27): 4821-37, 2013 Nov 30.
Artigo em Inglês | MEDLINE | ID: mdl-23754756

RESUMO

Misleading response behavior is expected in medical settings where incriminating behavior is negatively related to the recovery from a disease. In the present study, lung patients feel social and professional pressure concerning smoking and experience questions about smoking behavior as sensitive and tend to conceal embarrassing or threatening information. The randomized item-response survey method is expected to improve the accuracy of self-reports as individual item responses are masked and only randomized item responses are observed. We explored the validation of the randomized item-response technique in a unique experimental study. Therefore, we administered a new multi-item measure assessing smoking behavior by using a treatment-control design (randomized response (RR) or direct questioning). After the questionnaire, we administered a breath test by using a carbon monoxide (CO) monitor to determine the smoking status of the patient. We used the response data to measure the individual smoking behavior by using a mixture item-response model. It is shown that the detected smokers scored significantly higher in the RR condition compared with the directly questioned condition. We proposed a Bayesian latent variable framework to evaluate the diagnostic test accuracy of the questionnaire using the randomized-response technique, which is based on the posterior densities of the subject's smoking behavior scores together with the breath test measurements. For different diagnostic test thresholds, we obtained moderate posterior mean estimates of sensitivity and specificity by observing a limited number of discrete randomized item responses.


Assuntos
Teorema de Bayes , Coleta de Dados/métodos , Modelos Estatísticos , Fumar/epidemiologia , Adolescente , Adulto , Testes Respiratórios , Monóxido de Carbono/análise , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Inquéritos e Questionários , Adulto Jovem
15.
Br J Cancer ; 108(4): 820-5, 2013 Mar 05.
Artigo em Inglês | MEDLINE | ID: mdl-23385732

RESUMO

BACKGROUND: To investigate the issue of timing of radiation therapy (RT) after lumpectomy in relation to recurrences and outcome. METHODS: Analysis was done on 1107 breast-conserving therapies (BCT) with 1070 women, all without lymph node metastasis and without any adjuvant systemic therapy. Timing was defined as time from lumpectomy till RT. Patients were categorised into tertiles: <45 days, 45-56 days, and 57-112 days. RESULTS: Local control did not show a difference between the tertiles. The distant metastasis-free survival as well as the disease-specific survival showed a decreased outcome starting the RT to early after the lumpectomy. CONCLUSION: The results of this cohort study further refines the hypothesis that timing of RT in BCT might have an impact on outcome. It suggests that a randomised trial in timing of RT in BCT seems necessary to give a definite answer.


Assuntos
Neoplasias da Mama/radioterapia , Adulto , Neoplasias da Mama/patologia , Neoplasias da Mama/cirurgia , Estudos de Coortes , Terapia Combinada , Intervalo Livre de Doença , Feminino , Humanos , Metástase Linfática , Mastectomia Segmentar , Pessoa de Meia-Idade , Estudos Prospectivos , Radioterapia Adjuvante/métodos , Fatores de Tempo
16.
Eur J Vasc Endovasc Surg ; 45(3): 275-81, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-23332309

RESUMO

OBJECTIVES: The aim of this study was to compare externally supported thin wall knitted polyester (P-EXS) and externally unsupported thin wall knitted polyester (P-non-EXS) for above-knee (AK) femoro-popliteal bypass grafting. DESIGN: A prospective multicenter randomised clinical trial. MATERIAL AND METHODS: Between 1999 and 2008, 265 AK femoro-popliteal bypass grafts (6 mm in diameter) were performed, including 136 P-EXS and 129 P-non-EXS. The selection of patients was based on the presence of disabling claudication or critical ischaemia. Follow-up took place at 3, 6, 12, 18, and 24 months and included clinical examination and duplex ultrasonography. The main end points of this study were primary patency rates at one and two years. Secondary end points were mortality, and primary assisted and secondary patency rates. Cumulative patency rates were calculated with life-table analysis and log-rank testing. RESULTS: The 1-year primary, primary assisted and secondary patency rates were 65%, 70% and 84%, respectively, for P-EXS and 76% (p = 0.05), 82% (p = 0.03) and 88% (p = 0.35), respectively, for P-non-EXS. Two-year primary, primary assisted and secondary patency rates were 45%, 57% and 70%, respectively, for P-EXS and 62% (p = 0.003), 75% (p = 0.005) and 84% (p = 0.02), respectively, for P-non-EXS. The overall mortality rate after two years was 11.3%. CONCLUSION: In above-knee femoro-popliteal bypass grafting patency rates of externally supported knitted polyester grafts were inferior to their unsupported counterpart. ISRCTN: At the time this study started this number was not the standard.


Assuntos
Implante de Prótese Vascular/efeitos adversos , Prótese Vascular/efeitos adversos , Artéria Femoral/cirurgia , Poliésteres/uso terapêutico , Artéria Poplítea/cirurgia , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Seguimentos , Humanos , Joelho/cirurgia , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Resultado do Tratamento
17.
World J Surg ; 36(4): 793-9, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-22354487

RESUMO

BACKGROUND: Splanchnic artery stenosis is common and mostly asymptomatic and may lead to gastrointestinal ischemia (chronic splanchnic syndrome, CSS). This study was designed to assess risk factors for CSS in the medical history of patients with splanchnic artery stenosis and whether these risk factors can be used to identify patients with high and low risk of CSS. METHODS: All patients referred for suspected CSS underwent a standardized workup, including a medical history with questionnaire, duplex ultrasound, gastrointestinal tonometry, and angiography. Definitive diagnosis and treatment advice was made in a multidisciplinary team. Patients with confirmed CSS were compared with no-CSS patients. RESULTS: A total of 270 patients (102 M, 168 F; mean age, 53 years) with splanchnic artery stenosis were analyzed, of whom 109 (40%) had CSS and 161 no CSS. CSS-patients more often reported postprandial pain (87% vs. 72%, p = 0.007), weight loss (85% vs. 70%, p = 0.006), adapted eating pattern (90% vs. 79%, p = 0.005) and diarrhea (35% vs. 22%, p = 0.023). If none of these risk factors were present, the probability of CSS was 13%; if all were present, the probability was 60%. Adapted eating pattern (odds ratio (OR) 3.1; 95% confidence interval (CI) 1.08-8.88) and diarrhea (OR 2.6; 95% CI 1.31-5.3) were statistically significant in multivariate analysis. CONCLUSIONS: In patients with splanchnic artery stenosis, the clinical history is of limited value for detection of CSS. A diagnostic test to detect ischemia is indispensable for proper selection of patients with splanchnic artery stenosis who might benefit from treatment.


Assuntos
Arteriopatias Oclusivas/diagnóstico , Gastroenteropatias/diagnóstico , Trato Gastrointestinal/irrigação sanguínea , Isquemia/diagnóstico , Circulação Esplâncnica , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Arteriopatias Oclusivas/complicações , Constrição Patológica , Feminino , Gastroenteropatias/etiologia , Humanos , Isquemia/etiologia , Masculino , Anamnese , Pessoa de Meia-Idade , Fatores de Risco , Adulto Jovem
18.
Eur J Surg Oncol ; 38(4): 307-13, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-22264965

RESUMO

BACKGROUND: Triple-negative cancer constitutes one of the most challenging groups of breast cancer given its aggressive clinical behaviour, poor outcome and lack of targeted therapy. Until now, profiling techniques have not been able to distinguish between patients with a good and poor outcome. Recent studies on tumour-stroma, found it to play an important role in tumour growth and progression. OBJECTIVE: To evaluate the prognostic value of the tumour-stroma ratio (TSR) in triple-negative breast cancer. METHODS: One hundred twenty four consecutive triple-negative breast cancer patients treated in our hospital were selected and evaluated. For each patient the Haematoxylin-Eosin (H&E) stained histological sections were evaluated for percentage of stroma. Patients with less than 50% stroma were classified as stroma-low and patients with ≥ 50% stroma were classified as stroma-high. RESULTS: Of 124 triple-negative breast cancer patients, 40% had a stroma-high and 60% had a stroma-low tumour. TSR was assessed by two investigators (kappa 0.74). The 5-years relapse-free period (RFP) and overall survival (OS) were 85% and 89% in the stroma-low and 45% and 65% in the stroma-high group. In a multivariate cox-regression analysis, stroma amount remained an independent prognostic variable for RFP (HR 2.39; 95% CI 1.07-5.29; p = 0.033) and OS (HR 3.00; 95% CI 1.08-8.32; 0.034). CONCLUSION: TSR is a strong independent prognostic variable in triple-negative breast cancer. It is simple to determine, reproducible and can be easily incorporated into routine histological examination. This parameter can help optimize risk stratification and might lead to future targeted therapies.


Assuntos
Neoplasias da Mama/patologia , Recidiva Local de Neoplasia/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Biomarcadores Tumorais , Neoplasias da Mama/metabolismo , Neoplasias da Mama/mortalidade , Estudos de Coortes , Intervalo Livre de Doença , Feminino , Humanos , Metástase Linfática , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/metabolismo , Recidiva Local de Neoplasia/mortalidade , Estadiamento de Neoplasias , Países Baixos , Prognóstico , Receptor ErbB-2/metabolismo , Receptores de Estrogênio/metabolismo , Receptores de Progesterona/metabolismo , Estudos Retrospectivos , Células Estromais/patologia , Adulto Jovem
19.
Geriatr Orthop Surg Rehabil ; 3(2): 74-8, 2012 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-23569700

RESUMO

OBJECTIVE: Description of the prevalence of vertebral fractures in a fracture and osteoporosis outpatient clinic (FO-Clinic) and evaluation of the value of spinal radiographs by screening on osteoporosis. DESIGN: Retrospective data collection, description, and analysis. METHODS: All patients admitted to the FO-Clinic during the period of December 2005 until October 2006 were enrolled in this study. At the FO-Clinic spinal radiographs were obtained and bone mineral density (BMD) was measured by Dual energy X-ray-Absorptiometry (DXA). RESULTS: During the study period, a total of 176 patients were screened at our FO-Clinic. In 41.5% of these patients, a vertebral fracture was diagnosed. There appeared to be an indication for anti-osteoporotic medication in 95 of the 176 patients. Of these 95 patients, 77% could be identified by spinal radiographs. Moreover, only 36% of all patients with a vertebral fracture did suffer from osteoporosis. CONCLUSION: The prevalence of vertebral fractures in patients screened at an FO-Clinic is high and spinal radiographs can identify up to 77% of patients in which anti-osteoporotic medication should be considered. However, fracture risk is not only dependent on bone quality but also on bone density. Therefore, the preferred method of screening on osteoporosis is DXA with vertebral fracture assessment and, if necessary, spinal radiographs. If DXA is not available, spinal radiographs might be used as a first step in osteoporosis screening.

20.
Neth Heart J ; 19(1): 6-9, 2011 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-22020855

RESUMO

AIMS: Previous studies have demonstrated that microvolt T-wave alternans (TWA) screening in patients with ischaemic and dilated cardiomyopathy is effective in identifying patients at high or low risk of sudden cardiac death. It remains unclear which percentage of potential recipients of an implantable cardioverter defibrillator (ICD) are able to perform TWA testing using an exercise protocol which is, at this moment, the golden standard. In this study, we evaluated the feasibility of TWA in the risk stratification of potential ICD recipients with ischaemic or dilated cardiomyopathy. METHODS AND RESULTS: Medical charts of 165 primary prevention ICD recipients were reviewed to decide if patients were able to perform a TWA exercise test or not. Reasons to waiver a test were: atrial fibrillation or flutter, pacemaker dependency, recent (cardiovascular) surgery (<1 month) and inability to exercise. Of the potential ICD recipients 35% had one or more of these contraindications and were therefore not suitable for testing. CONCLUSION: In several studies, TWA is a promising risk stratifier for predicting sudden cardiac death; however, in our population, 35% of the potential ICD candidates could not be tested. In order to fulfil its promise as a predictor for SCD, an alternative means to measure TWA needs to be evaluated.

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