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1.
Gastric Cancer ; 27(4): 722-734, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38668819

RESUMO

BACKGROUND: The EORTC QLQ-STO22 (QLQ-STO22) is a firmly established and validated measure of health-related quality of life (HRQoL) for people with gastric cancer (GC), developed over two decades ago. Since then there have been dramatic changes in treatment options for GC. Also, East Asian patients were not involved in the development of QLQ-STO22, where GC is most prevalent and the QLQ-STO22 is widely used. A review with appropriate updating of the measure was planned. This study aims to capture HRQoL issues associated with new treatments and the perspectives of patients and health care professionals (HCPs) from different cultural backgrounds, including East Asia. METHODS: A systematic literature review and open-ended interviews were preformed to identify potential new HRQoL issues relating to GC. This was followed by structured interviews where HCPs and patients reviewed the QLQ-STO22 alongside new issues regarding relevance, importance, and acceptability. RESULTS: The review of 267 publications and interviews with 104 patients and 18 HCPs (48 and 9 from East Asia, respectively) generated a list of 58 new issues. Three of these relating to eating small amounts, flatulence, and neuropathy were recommended for inclusion in an updated version of the QLQ-STO22 and covered by five additional questions. CONCLUSIONS: This study supports the content validity of the QLQ-STO22, suggesting its continued relevance to patients with GC, including those from East Asia. The updated version with additional questions and linguistic changes will enhance its specificity, but further testing is required.


Assuntos
Qualidade de Vida , Neoplasias Gástricas , Humanos , Neoplasias Gástricas/psicologia , Neoplasias Gástricas/terapia , Feminino , Masculino , Pessoa de Meia-Idade , Inquéritos e Questionários , Idoso , Comparação Transcultural , Adulto
2.
Lupus ; 28(5): 651-657, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-30982400

RESUMO

OBJECTIVES: Poor adherence to immunosuppressive treatment is common in patients with systemic lupus erythematosus and may identify those with lupus nephritis (LN) who have a poorer prognosis. Non-adherence has also been reported to be a potential adverse outcome predictor in renal transplantation (rTp). We investigated whether non-adherence is associated with increased rTp graft rejection and/or failure in patients with LN. METHODS: Patients with LN undergoing rTp in two major London hospitals were retrospectively included. Medical and electronic records were reviewed for documented concerns of non-adherence as well as laboratory biochemical drug levels. The role of non-adherence and other potential predictors of graft rejection/failure including demographics, comorbidities, age at systemic lupus erythematosus and LN diagnosis, type of LN, time on dialysis prior to rTp and medication use were investigated using logistic regression. RESULTS: Out of 361 patients with LN, 40 had rTp. During a median follow-up of 8.7 years, 17/40 (42.5%) of these patients had evidence of non-adherence. A total of 12 (30.0%) patients experienced graft rejection or failure or both. In the adherent group 2/23 (8.7%) had graft rejection, whilst in the non-adherent this rose to 5/17 (29.4%, p = 0.11). Graft failure was seen in 5/23 (21.7%) patients from the adherent group and 4/17 (23.5%) in the non-adherent group ( p = 0.89). Non-adherent patients had a trend towards increased graft rejection, hazard ratio 4.38, 95% confidence interval = 0.73-26.12, p = 0.11. Patients who spent more time on dialysis prior to rTp were more likely to be adherent to medication, p = 0.01. CONCLUSION: Poor adherence to immunosuppressive therapy is common and has been shown to associate with a trend towards increased graft failure in patients with LN requiring rTp. This is the first paper to report that shorter periods on dialysis prior to transplantation might lead to increased non-adherence in lupus patients.


Assuntos
Imunossupressores/uso terapêutico , Falência Renal Crônica/cirurgia , Transplante de Rim , Nefrite Lúpica/terapia , Adesão à Medicação/estatística & dados numéricos , Adulto , Progressão da Doença , Feminino , Rejeição de Enxerto , Sobrevivência de Enxerto , Humanos , Modelos Logísticos , Londres , Lúpus Eritematoso Sistêmico , Masculino , Pessoa de Meia-Idade , Curva ROC , Diálise Renal , Estudos Retrospectivos , Fatores de Tempo , Resultado do Tratamento
3.
Artigo em Inglês | MEDLINE | ID: mdl-29094784

RESUMO

Advances in cancer care delivery require revision and further development of questionnaires assessing patients' perceived quality of care. This study pre-tested the revised EORTC satisfaction with cancer care core questionnaire applicable in both the cancer inpatient and outpatient settings, and its new, outpatient-specific complementary module. The process of revision, development of the extended application, and pre-testing of these questionnaires was based on phases I to III of the "EORTC Quality of Life Group Module Development Guidelines." In phase III, patients in 11 countries in four European regions, South America and Asia completed provisional versions of the questionnaires. Fifty-seven relevant issues selected from literature reviews and input from experts were operationalized into provisional items, and subsequently translated into ten languages. Assessment of understanding, acceptability, redundancy and relevance by patients (n = 151) from oncology inpatient wards, and outpatient chemotherapy, radiotherapy and consultation settings, led to retention of, deletion of and merging of 40, 14 and 6 items respectively. Cronbach's alpha coefficients for hypothesized questionnaire scales were above 0.80. Our results provide preliminary support for the 33-item EORTC Satisfaction with cancer care core questionnaire and the 7-item complementary module specific for the outpatient care setting. A large scale phase IV cross-cultural psychometric study is now underway.


Assuntos
Neoplasias/terapia , Satisfação do Paciente , Idoso , Assistência Ambulatorial , Europa (Continente) , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Sociedades Médicas , Inquéritos e Questionários
4.
Br J Cancer ; 109(4): 852-8, 2013 Aug 20.
Artigo em Inglês | MEDLINE | ID: mdl-23868003

RESUMO

BACKGROUND: Older people represent the majority of cancer patients but their specific needs are often ignored in the development of health-related quality of life (HRQOL) instruments. The European Organisation for Research and Treatment of Cancer (EORTC) QLQ-ELD15 was developed to supplement the EORTC's core questionnaire, the QLQ-C30, for measuring HRQOL in patients aged >70 years in oncology studies. METHODS: Patients (n=518) from 10 countries completed the QLQ-C30, QLQ-ELD15 and a debriefing interview. Eighty two clinically stable patients repeated the questionnaires 1 week later (test-retest analysis) and 107 others, with an expected change in clinical status, repeated the questionnaires 3 months later (response to change analysis, RCA). RESULTS: Information from the debriefing interview, factor analysis and item response theory analysis resulted in the removal of one item (QLQ-ELD15QLQ-ELD14) and revision of the proposed scale structure to five scales (mobility, worries about others, future worries, maintaining purpose and illness burden) and two single items (joint stiffness and family support). Convergent validity was good. In known-group comparisons, the QLQ-ELD14 differentiated between patients with different disease stage, treatment intention, number of comorbidities, performance status and geriatric screening scores. Test-retest and RCA analyses were equivocal. CONCLUSION: The QLQ-ELD14 is a validated HRQOL questionnaire for cancer patients aged 70 years. Changes in elderly patients' self-reported HRQOL may be related to both cancer evolution and non-clinical events.


Assuntos
Nível de Saúde , Neoplasias/psicologia , Qualidade de Vida/psicologia , Atividades Cotidianas , Idoso , Idoso de 80 Anos ou mais , Estudos de Coortes , Feminino , Avaliação Geriátrica , Humanos , Masculino , Neoplasias/fisiopatologia , Estudos Prospectivos , Psicometria/instrumentação , Reprodutibilidade dos Testes , Inquéritos e Questionários
5.
J Econ Entomol ; 104(2): 580-5, 2011 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-21510208

RESUMO

The moth Lobesia botrana (Denis & Schiffermüller) (Lepidoptera: Tortricidae) is a key pest of table and wine grape (Vitis spp.) varieties in Cyprus. Many different insecticide combinations were applied for three consecutive years (2006-2008) in a Sultana seedless table grape vineyard, aimed at controlling the first and second generations of this pest under warm and dry Mediterranean climatic conditions. In Cyprus, Sultana is the main early maturing table grape variety grown in the country. L. botrana has two generations and a partial third on this export variety, of which the first two generations are the most destructive. Applications were made according to pheromone trap captures of males. One application was used against the first and two applications against the second generation of L. botrana. A high rate of bunch damage was observed in the untreated rows during all years, reaching 56.7, 62.5, and 69.2% in 2006, 2007, and 2008, respectively. Differences between insecticide treatments and the untreated control were statistically significant. The treatment combination of lufenuron, spinosad, and indoxacarb as well as the combination of chlorpyrifos, spinosa and indoxacarb, used against the first and second generations of L. botrana, were the most effective compared with the untreated control. Satisfactory control of the pest also was observed with other combinations such as lufenuron, cypermethrin, and Bacillus thuringiensis; chlorpyrifos, cypermethrin, and B. thuringiensis; and lufenuron, deltamethrin, and azadirachtin.


Assuntos
Controle de Insetos , Inseticidas , Mariposas , Vitis/parasitologia , Agricultura , Animais , Chipre , Frutas
6.
J Econ Entomol ; 104(6): 1979-85, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-22299360

RESUMO

Kelly's citrus thrips, Pezothrips kellyanus (Bagnall) (Thysanoptera: Thripidae) was first recorded in Cyprus in 1996 and became an economic citrus pest. In Cyprus, Kelly's citrus thrips larvae cause feeding damage mainly on immature lemon and grapefruit fruits. Use of botanical insecticides is considered an alternative tool compared with synthetic chemicals, in offering solutions for healthy and sustainable citrus production. During 2008-2010, the efficacy of the botanical insecticides azadirachtin (Neemex 0.3%W/W and Oikos 10 EC), garlic extract (Alsa), and pyrethrins (Vioryl 5%SC) was evaluated in field trials against Kelly's citrus thrips larval stage I and II aiming at controlling the pest's population and damage to organic grapefruit fruits. In each of the trial years treatments with pyrethrins and azadirachtin (Neemex 0.3%W/W) were the most effective against Kelly's citrus thrips compared with the untreated control (for 2008: P < 0.018; for 2009: P < 0.000; for 2010: P < 0.008). In 2008, the mean number of damaged fruits in treatments with pyrethrins and Neemex was 9.6 (19.2%) and 9.7 (19.5%) respectively, compared with 12.2 (24.3%) in the untreated control. In 2009, the mean number of damaged fruits in treatment with pyrethrins was 3.7 (7.3%) and 3.9 (7.8%) in treatment with Neemex compared with 8.6 (17.3%) in the untreated control, while in 2010 the mean damaged fruits in these treatments was recorded at 18.7 (37.5%) and 19.6 (39.2), respectively, compared with 29.6 fruits (59.2%) in the control. Oikos 10 EC showed significant effect only in 2009 and 2010. In these years, the mean number of damaged fruits was recorded at 5.5 and 21.2 compared with 8.6 and 29.6 fruits in the untreated control, respectively. Garlic extract showed the lowest effect from all the botanicals used compared with the untreated control.


Assuntos
Citrus paradisi , Alho , Controle de Insetos/métodos , Inseticidas , Limoninas , Piretrinas , Tisanópteros , Animais , Chipre , Frutas , Agricultura Orgânica , Densidade Demográfica , Estações do Ano
7.
J Econ Entomol ; 103(1): 47-53, 2010 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-20214367

RESUMO

The most common thrips species found in Cyprus citrus orchards between 2003 and 2008 were Pezothrips kellyanus (Bagnall) (Thysanoptera: Thripidae), Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), and Thrips tabaci (Lindeman) (Thysanoptera: Thripidae). Only Pezothrips kellyanus, Kelly's citrus thrips (KCT) causes feeding damage on citrus fruits in Cyprus. KCT adults prefer to concentrate mostly in the northern and eastern sides of both lemon and grapefruit canopies. The attractiveness of white, sky blue, marine blue, and yellow color to KCT was evaluated. White was found to be the most attractive color to adults of KCT, F. occidentalis, and T. tabaci. A range of incidental and breeding host plants grown within and outside citrus orchards in Cyprus were identified. KCT adults were found on flowers of all citrus varieties, and various other flowering plants including Malva nicaeensis, Malva silvestris, Sinapis alba, Oxalis pes-caprae, Calendula arvensis, Urospermum picroides, Jasminum officinale, Gardenia jasminoides, Jasminum sambac, Prunus dulcis, Mangifera indica, Persea americana, and Eriobotrya japonica. KCT larvae were found only on lemon, grapefruit, Jasmine spp., and Gardenia flowers.


Assuntos
Comportamento Animal/fisiologia , Citrus/parasitologia , Insetos/fisiologia , Animais , Ecossistema , Comportamento Alimentar , Frutas , Fatores de Tempo
8.
Clin Nutr ; 39(4): 1146-1154, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-31080038

RESUMO

BACKGROUND & AIMS: Oxidative stress is regarded a key component of critical illness and has been associated with poor prognosis in Intensive Care Unit (ICU) patients. Diverse antioxidant treatments have been applied to combat oxidative stress in ICU, yet the results were typically disappointing. An explanation for this failure is that all studies utilized antioxidants indiscriminately and did not take into account the antioxidant profile of the patients. The aim of the present study was to investigate whether critically ill patients experience different insufficiencies in three major antioxidants with a "recycling" redox relationship (vitamin C, vitamin E and glutathione) and in the central reductant molecule of many enzymatic antioxidants (NADPH). METHODS: Sixty mechanically-ventilated adult medical critically ill patients (age: 63.5 ± 17.1; APACHE II score: 21.2 ± 7.4; Glasgow Coma Scale: 6.2 ± 1.9) were enrolled in the study, while 20 healthy age-matched volunteers served as control group. The antioxidant profile and the level of systemic oxidative stress (F2-isoprostanes) were measured at ICU admission and at days 1 and 7. RESULTS: The majority of the ICU patients developed rapid and severe antioxidant insufficiencies (by exhibiting less than 50% of the control values) in one (22/60), two (7/60) or three (2/60) of the antioxidants measured, despite the almost similar levels of oxidative stress. CONCLUSIONS: The wide heterogeneity in antioxidant decreases in response to ICU stay highlights the importance of patient stratification when planning to apply antioxidant treatments and indicates that the successful delivery of personalized clinical nutrition may depend on our ability to identify "responsive" phenotypes.


Assuntos
Antioxidantes/metabolismo , Ácido Ascórbico/sangue , Glutationa/sangue , Vitamina E/sangue , Cuidados Críticos , Estado Terminal , Feminino , Grécia , Humanos , Masculino , Pessoa de Meia-Idade , NADP/sangue , Medicina de Precisão , Respiração Artificial
9.
Scand J Rheumatol ; 38(3): 216-21, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-19229673

RESUMO

OBJECTIVE: To measure aortic stiffness and global left ventricular (LV) function in patients with ankylosing spondylitis (AS) and no clinical evidence of heart disease. METHODS: Fifty-seven consecutive patients with AS (54 males, three females, mean age 41.78+/-10.02 years) without clinical evidence of cardiac involvement and 78 healthy subjects (73 males, five females, mean age 39.92+/-9.11 years) underwent complete echocardiographic study. Aortic stiffness was determined non-invasively by aortic distensibility (AoD) and the global LV function was evaluated by the myocardial performance index (the Tei index). RESULTS: AoD in patients with AS [(2.21+/-0.24)x10(-6) cm(2) dyn(-1)] was decreased compared to controls [(2.58+/-0.19) )x10(-6) cm(2) dyn(-1), p<0.01], confirming that aortic stiffness is increased in AS. The LV Tei index was significantly increased in the patient group compared to the control group (0.392+/-0.031 vs. 0.370+/-0.034, p<0.01). The ejection fraction (EF) did not differ between the two groups (p>0.05). In multivariate linear regression analysis, AoD was significantly associated with the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and LV isovolumic relaxation time (IVRT) whereas the LV Tei index was associated with BASDAI and the LV mass index. CONCLUSIONS: Patients with AS and no clinical evidence of cardiac disease have increased stiffness of the aorta and decreased global myocardial performance and both of these abnormal measurements correlate with disease activity. The abnormal Tei index may reflect an early manifestation of cardiac dysfunction in these patients.


Assuntos
Aorta/fisiopatologia , Doenças da Aorta/complicações , Doenças da Aorta/fisiopatologia , Espondilite Anquilosante/complicações , Função Ventricular Esquerda/fisiologia , Adulto , Doenças da Aorta/diagnóstico por imagem , Complacência (Medida de Distensibilidade)/fisiologia , Diagnóstico Precoce , Ecocardiografia , Elasticidade , Feminino , Humanos , Modelos Lineares , Masculino , Pessoa de Meia-Idade , Modelos Cardiovasculares , Análise Multivariada
10.
Clin Exp Rheumatol ; 26(1): 109-12, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18328155

RESUMO

OBJECTIVE: To evaluate whether patients with primary Sjögren's syndrome without overt cardiac disease have echocardiographic abnormalities and their relation with clinical and laboratory data. METHODS: One hundred and seven consecutive patients with primary Sjögren's syndrome and 112 healthy controls, matched for age and gender, underwent complete echocardiographic study. RESULTS: Thirty-two patients had mitral valve regurgitation (p<0.001) whereas tricuspid and aortic valve regurgitation were, also, more frequent in the patient group (p=0.022 and p=0.007 respectively). In multivariate analyses, low C4 levels of complement and age were strong predictors of mitral valve regurgitation whereas age was predictor of aortic valve regurgitation. Tricuspid valve regurgitation was associated with pulmonary hypertension. Clinically silent pericardial effusion, found in 9 patients (p=0.008), was associated with cryoglobulinemia and primary biliary cirrhosis. Twenty-four patients had pulmonary hypertension (p<0.001) whereas hypocomplementemia and cryoglobulinemia were strong predictors of pulmonary artery systolic pressure. The analyses reveal that easy fatigability was associated with pulmonary hypertension and low C4 levels. The patients' left ventricular mass index differed significantly from the controls (108.9+/-17.21 gm(-2) vs. 85.8+/-6.73 gm(-2), p<0.001) and was associated with palpaple purpura and anti-Ro/SSA. From the diastolic function indices only the left ventricular isovolumic relaxation time differed significantly among patients and controls. CONCLUSION: Valvular regurgitation, pericardial effusion, pulmonary hypertension and increased left ventricular mass index occur with disproportionately high frequency in patients with primary Sjögren's syndrome and no clinically apparent heart disease. Thus echocardiographic studies may need to be performed in these patients especially when palpable purpura, antibody reactivity and low C4 levels are present.


Assuntos
Ecocardiografia Doppler em Cores , Coração/fisiopatologia , Síndrome de Sjogren/fisiopatologia , Fatores Etários , Insuficiência da Valva Aórtica/complicações , Complemento C4/análise , Crioglobulinemia/complicações , Feminino , Humanos , Hipertensão Pulmonar/complicações , Cirrose Hepática Biliar/complicações , Masculino , Pessoa de Meia-Idade , Insuficiência da Valva Mitral/complicações , Derrame Pericárdico/complicações , Insuficiência da Valva Tricúspide/complicações
11.
Environ Entomol ; 36(5): 1174-88, 2007 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-18284743

RESUMO

The bollworm, Helicoverpa zea (Boddie), is a key pest of cotton in Texas. Bollworm populations are widely controlled with pyrethroid insecticides in cotton and exposed to pyrethroids in other major crops such as grain sorghum, corn, and soybeans. A statewide program that evaluated cypermethrin resistance in male bollworm populations using an adult vial test was conducted from 2003 to 2006 in the major cotton production regions of Texas. Estimated parameters from the most susceptible field population currently available (Burleson County, September 2005) were used to calculate resistance ratios and their statistical significance. Populations from several counties had statistically significant (P < or = 0.05) resistance ratios for the LC(50), indicating that bollworm-resistant populations are widespread in Texas. The highest resistance ratios for the LC(50) were observed for populations in Burleson County in 2000 and 2003, Nueces County in 2004, and Williamson and Uvalde Counties in 2005. These findings explain the observed pyrethroid control failures in various counties in Texas. Based on the assumption that resistance is caused by a single gene, the Hardy-Weinberg equilibrium formula was used for estimation of frequencies for the putative resistant allele (q) using 3 and 10 microg/vial as discriminatory dosages for susceptible and heterozygote resistant insects, respectively. The influence of migration on local levels of resistance was estimated by analysis of wind trajectories, which partially clarifies the rapid evolution of resistance to cypermethrin in bollworm populations. This approach could be used in evaluating resistance evolution in other migratory pests.


Assuntos
Migração Animal , Evolução Biológica , Inseticidas , Mariposas/genética , Piretrinas , Animais , Gossypium/parasitologia , Resistência a Inseticidas/genética , Masculino , Texas , Vento
12.
In Vivo ; 21(1): 113-8, 2007.
Artigo em Inglês | MEDLINE | ID: mdl-17354623

RESUMO

BACKGROUND: Bcl-2 oncoprotein inhibits apoptosis, whereas bax protein promotes apoptosis by enhancing cell susceptibility to apoptotic stimuli. This study examined the bcl-2, bax and p53 expression in rectal adenocarcinomas and their relationship with tumor prognosis. PATIENTS AND METHODS: Paraffin-embedded 4-microm tumor sections obtained from patients with rectal adenocarcinoma who underwent colectomy for therapeutic reasons, were analyzed with a standard streptavidin biotin peroxidase method, using polyclonal and monoclonal antibodies. Patients were followed up for 1.5-83 (mean +/- SD: 47.19 +/- 6.2) months. RESULTS: Positive immunoreactivity for bcl-2, bax and p53 was detected in 21 (37%), 28 (50%) and 45 (80%) tumors, respectively. Bax was co-expressed in 17 out of 21 bcl-2(+) cases, whereas p53 was co-expressed in 18 out of 21 bcl-2(+) and 17 out of 28 bax(+) cases. Loss of bax expression was associated with advanced stage and high grade tumors (p < 0.01). Local (n = 6) or distant (n = 5) tumor recurrence was established in 11 cases. All these cases were bax(+), bcl-2(-) and p53(+). Bax and p53 expressions were correlated with adverse outcome (p < 0.05) while bcl-2 presence did not influence survival. Bcl-2(-)/bax(+)/p53(+) cases showed lower survival than bax(+)/bcl-2(+)/p53(+) cases (p < 0.001). CONCLUSION: In rectal adenocarcinoma, bax and bcl-2 proteins co-express frequently with p53. Co-expression of bax with p53 protein is associated with poor clinical outcome, especially in cases without concomitant expression of bcl-2.


Assuntos
Adenocarcinoma/patologia , Proteínas Proto-Oncogênicas c-bcl-2/metabolismo , Neoplasias Retais/patologia , Proteína Supressora de Tumor p53/metabolismo , Proteína X Associada a bcl-2/metabolismo , Adenocarcinoma/diagnóstico , Adenocarcinoma/mortalidade , Adulto , Idoso , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia , Prognóstico , Neoplasias Retais/diagnóstico , Neoplasias Retais/mortalidade , Taxa de Sobrevida
14.
BJR Case Rep ; 1(2): 20150182, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-30363137

RESUMO

A middle-aged female patient presented with increasing dyspnoea following delivery of her second child. Echocardiography showed left ventricular (LV) dilatation and severe global impairment of systolic function (ejection fraction < 10%) but normal right ventricular (RV) dimensions. Plasma B-type natriuretic peptide level was elevated. Post-partum cardiomyopathy (PPCM) was considered and after initiating appropriate heart failure pharmacotherapy, her symptoms improved significantly. Cardiovascular MR showed RV free wall dyskinesia and aneurysms at the LV apex, RV free wall and RV outflow tract. Genetic analysis showed a C11842T substitution in the titin gene (TTN). This is the first case to propose an overlap syndrome of PPCM and arrhythmogenic RV cardiomyopathy.

15.
J Clin Endocrinol Metab ; 86(2): 583-9, 2001 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-11158012

RESUMO

Aberrant gastric inhibitory polypeptide (GIP) receptor expression in bilaterally hyperplastic adrenals or unilateral adrenal adenomas is a rare form of adrenal hyperfunction. So far, only few cases have been described. In all these cases, cortisol was the predominant steroid released in a food-dependent manner, leading to the development of non-ACTH-dependent Cushing's syndrome. In the present study, we describe a novel case of a GIP receptor-expressive adrenocortical adenomatous nodule, detected incidentally by computed tomography scanning in a 41-yr-old lady with hirsutism but no clinical signs of Cushing's syndrome, on physical examination. Hormonal investigations in morning fasting samples showed slightly elevated androgen levels, low-normal baseline cortisol, normal suppression of cortisol after dexamethasone administration, and ACTH levels that were not suppressed and did stimulate after CRH administration. The elevated urinary free cortisol excretion, in conjunction with an atypical cortisol diurnal rhythm, raised the possibility of an aberrant stimulation of cortisol production by the adrenal tumor. Further studies demonstrated food-dependent secretion of cortisol, which was abolished by prior octreotide administration. Notably, substantial amounts of adrenal androgens were also secreted after food consumption. Removal of the tumor resulted in undetectable cortisol and androgen levels that did not respond to food consumption. Histological examination of the excised tumor revealed an adrenocortical adenomatous nodule originating from the inner zona reticularis, consisting mainly of compact cells. A steroidogenic secretory pattern, indicating the concomitant release of adrenal androgens and cortisol, was also observed in vitro from tumor cells cultured in the presence of GIP. The in vitro secretory response to GIP was higher for the adrenal androgen DHEA, compared with cortisol. The expression of the GIP receptor in tumor cells, but not in the adjacent normal adrenal, was demonstrated by RT-PCR), using specific oligonucleotide probes for this receptor. In summary, we describe a patient with a GIP-expressive cortisol and androgen oversecreting adrenocortical nodule with the unusual presentation of hirsutism and not the typical clinical signs of Cushing's syndrome. It is of note that food intake in this patient provoked a substantial increase in both adrenal androgen and cortisol levels that, together with the histological appearance of this nodule, was compatible with a zona reticularis-derived tumor. Thus, aberrant expression of the GIP receptor does not exclusively involve cells of a zona fasciculata phenotype, as previously reported, but may also occur in other types of differentiated adrenocortical cells.


Assuntos
Adenoma/fisiopatologia , Neoplasias do Córtex Suprarrenal/fisiopatologia , Androgênios/metabolismo , Síndrome de Cushing/etiologia , Hirsutismo/etiologia , Hidrocortisona/metabolismo , Receptores dos Hormônios Gastrointestinais/genética , 17-alfa-Hidroxiprogesterona/sangue , Adenoma/sangue , Adenoma/patologia , Adenoma/cirurgia , Neoplasias do Córtex Suprarrenal/sangue , Neoplasias do Córtex Suprarrenal/patologia , Neoplasias do Córtex Suprarrenal/cirurgia , Hormônio Adrenocorticotrópico/farmacologia , Adulto , Androgênios/sangue , Ritmo Circadiano , Síndrome de Cushing/fisiopatologia , Desidroepiandrosterona/sangue , Ingestão de Alimentos , Feminino , Hirsutismo/fisiopatologia , Humanos , Hidrocortisona/sangue , Octreotida , Receptores dos Hormônios Gastrointestinais/análise , Reação em Cadeia da Polimerase Via Transcriptase Reversa
16.
Eur J Gastroenterol Hepatol ; 13(2): 203-6, 2001 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-11246624

RESUMO

We report a 46-year-old patient with the typical biochemical, histological and cholangiographic findings of primary sclerosing cholangitis (PSC) whose clinical and laboratory findings would also qualify her for the diagnosis of definite autoimmune hepatitis (AIH), according to the aggregate score of the International Autoimmune Hepatitis Group. We suggest that this patient may represent an example of the overlapping syndrome of PSC and AIH.


Assuntos
Colangite Esclerosante/complicações , Hepatite Autoimune/complicações , Colangite Esclerosante/diagnóstico , Feminino , Hepatite Autoimune/diagnóstico , Humanos , Pessoa de Meia-Idade , Síndrome
17.
Cancer Treat Rev ; 40(1): 78-85, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-23810287

RESUMO

Adenocarcinoma of the pancreas carries a uniformly poor prognosis with high rates of loco-regional as well as systemic recurrence. Outcomes remain poor, even for early stage and resectable disease. It is perceived as inherently resistant to most of the currently available treatment options. Evidence supports the need for adjuvant chemotherapy but controversy remains in relation to the use of combined therapy, novel agents and the most appropriate timing of therapy. Despite no clear consensus, mainstay of treatment following resection is based primarily on single agent gemcitabine. Promising new agents and molecules of prognostic as well as predictive value under evaluation offer intriguing data, despite issues surrounding adjuvant therapy strategies. In this article, we sought to review the different therapeutic adjuvant modalities and future directions.


Assuntos
Adenocarcinoma/terapia , Antineoplásicos/uso terapêutico , Neoplasias Pancreáticas/terapia , Adenocarcinoma/metabolismo , Adenocarcinoma/mortalidade , Biomarcadores Tumorais/metabolismo , Quimioterapia Adjuvante , Humanos , Imunoterapia , Terapia de Alvo Molecular , Neoplasias Pancreáticas/metabolismo , Neoplasias Pancreáticas/mortalidade , Ensaios Clínicos Controlados Aleatórios como Assunto , Resultado do Tratamento
19.
J R Coll Physicians Edinb ; 44(3): 209-11, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25318396

RESUMO

Pacemaker infections can be difficult to diagnose, especially when they present with non-specific symptoms and signs a long time after insertion of the device. Unidentified or partially treated low-grade chronic sepsis can result in multisystem disease processes with significant mortality and morbidity. Therefore, a high index of suspicion is required to identify the pacemaker as the source of sepsis and treat it effectively. This report describes a case of chronic pacemaker wire infection, which eventually presented with Sweet's syndrome, a rare manifestation of infective endocarditis.


Assuntos
Endocardite Bacteriana/diagnóstico , Marca-Passo Artificial/efeitos adversos , Infecções Relacionadas à Prótese/diagnóstico , Síndrome de Sweet/etiologia , Idoso , Doença Crônica , Endocardite Bacteriana/complicações , Humanos , Masculino , Infecções Relacionadas à Prótese/complicações , Doença Pulmonar Obstrutiva Crônica/complicações
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