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Background: Sugar is widely consumed in Malaysia, and the excessive intake of sugar has been associated with cognitive functions. However, the association between sugar intake and cognitive impairment among Malaysian older adults is yet to be determined. Purpose: The objective of this study was to evaluate the associations between types and sources of sugar intake and cognitive functions and to identify their risk in predicting cognitive impairment (MMSE score <24). Subjects and methods: A total of 1,209 subjects aged ≥60 years were recruited through multi-stage random sampling from selected states in Malaysia. Dietary intake was derived using a 7-day dietary history questionnaire and supplemented with a quantitative food frequency questionnaire for added sugar intake. Results: The prevalence of cognitive impairment as defined by Mini-Mental State Examination (MMSE) less than 24 was 31.9%, while the prevalence of mild cognitive impairment was 13.1%. The median (IQR) for total sugar intake was 44.60 g/day (26.21-68.81) or 8 tsp, and free sugar intake was 33.08 g/day (17.48-57.26) or 6 tsp. The higher intake of total sugars, free sugars, sucrose, lactose, sugar-sweetened beverages, sugar-sweetened cakes, and dessert was found to be significantly associated with a lower MMSE score, after adjusting for covariates. On the other hand, the consumption of cooked dishes and fruits was significantly associated with a better MMSE score. The adjusted OR for risk of cognitive impairment (MMSE score <24) was 3.30 (95% CI 2.15-5.08) for total sugars and 3.58 (95% CI 2.32-5.52) for free sugars, comparing the highest with the lowest intake percentiles. Conclusion: Excessive sugar consumption among older adults showed a notable association with poor cognitive functions, but longitudinal studies and clinical trials are further needed to clarify the direction of causality and to investigate the underlying mechanism.
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Disfunción Cognitiva/etnología , Sacarosa en la Dieta/administración & dosificación , Anciano , Bebidas , Cognición , Etnicidad , Femenino , Humanos , Estudios Longitudinales , Malasia/epidemiología , Masculino , Persona de Mediana Edad , Prevalencia , Encuestas y CuestionariosRESUMEN
AIMS: To screen the newly recorded alga Grateloupia doryphora in the Egyptian Mediterranean Sea for antimicrobial activity. METHODS AND RESULTS: Algal samples were collected from the Eastern Harbor, Alexandria, Egypt during summer (2016 and 2017). The dry and fresh methanolic, ethanolic and ethyl acetate algal extracts were tested against Bacillus subtilis, Enterococcus faecalis and Staphylococcus aureus as Gram-positive bacteria, Escherichia coli, Pseudomonas aeruginosa as Gram-negative bacteria and one yeast strain Candida albicans. A three-way analysis of variance showed significant differences based on the algal form, type of solvents and microbial species. The fresh methanolic and ethyl acetate extracts had equal effects on the tested pathogens with means of 14·44 and 15·16 respectively. However, the fresh algal extract was more effective on all the tested organisms than the dried material, except for ethyl acetate and ethanol extract on Bacillus subtilis (31 and 23 mm) respectively. In fact, P. aeruginosa was the most susceptible organism to the fresh algal extract, with much higher inhibition zones (30, 27 and 28 mm) for mehanolic, ethyl acetate and ethanolic extracts, respectively, compared with the dried ones. Furthermore, C. albicans was sensitive to the fresh algal extracts only. Compared with the commercial antibiotics piperacillin, rifampicin, cephalexin, metronidazole and fusidic acid tested against the same microbes, the results showed in general lower or comparable inhibition zones than algal extracts. The GC-MS fresh methanolic and ethyl acetate algal extracts revealed the presence of many potent compounds, with palmitic acid and 2-tetradecyloxirane as the common constituents in both extracts. The commercial palmitic acid was tested against the same microbes with successful elimination of all pathogens. CONCLUSIONS: Grateloupia doryphora showed broad spectrum of antimicrobial activity against the tested microbial species in this study. SIGNIFICANCE AND IMPACT OF THE STUDY: The alga can be useful in industry of pharmaceutical products. On the other hand, its usage in this domain can be a suitable solution to its introduction in our coasts.
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Antiinfecciosos/farmacología , Extractos Vegetales/farmacología , Rhodophyta/química , Bacterias/efectos de los fármacos , Candida/efectos de los fármacos , EgiptoRESUMEN
INTRODUCTION: This research examined the predicting roles of reasons for living and social support on depression, anxiety and stress in Malaysia. METHOD: This research was carried out on a sample of 263 participants (age range 12-24 years old), from Klang Valley, Selangor. The survey package comprises demographic information, a measure of reasons for living, social support, depression, anxiety and stress. To analyse the data, correlation analysis and a series of linear multiple regression analysis were carried out. RESULTS: Findings showed that there were low negative relationships between all subdomains and the total score of reasons for living and depression. There were also low negative relationships between domain-specific of social support (family and friends) and total social support and depression. In terms of the family alliance, self-acceptance and total score of reasons for living, they were negatively associated with anxiety, whereas family social support was negatively associated with stress. The linear regression analysis showed that only future optimism and family social support found to be the significant predictors for depression. Family alliance and total reasons for living were significant in predicting anxiety, whereas family social support was significant in predicting stress. CONCLUSION: These findings have the potential to promote awareness related to depression, anxiety, and stress among youth in Malaysia.
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Ansiedad/psicología , Depresión/psicología , Apoyo Social , Estrés Psicológico/psicología , Prevención del Suicidio , Adolescente , Niño , Estudios Transversales , Femenino , Humanos , Malasia , Masculino , Encuestas y Cuestionarios , Adulto JovenRESUMEN
OBJECTIVE: The aim is to identify the epidemiological and clinicopathological features associated with young breast cancer (BC) patients and to discuss factors affecting tumor recurrence and DFS. PATIENTS & METHODS: A retrospective analysis was conducted based on medical records from young females patients aged ≤35 years with pathologically confirmed primary breast cancer treated during 2008-2010 at NCI. Cases with non invasive cancer and non carcinoma histology are excluded. RESULTS: Of the 5408 cases diagnosed with breast cancer, 554 were young. Four hundred & fifty eight patients representing 9.2% were within our inclusion criteria. Almost half of the patients (45.9%) presented with stage III. Axillary nodes involvement was in 63.9%, 83.3% were grade 2. More than one quarter of tumors was hormone receptors negative (28.8%) & Her2 was over-expressed in 30%. Mastectomy was offered in 72% while conservative breast surgery in 26%, 69.2% received chemotherapy either adjuvant, neoadjuvant or both, 82.5% received adjuvant radiotherapy, 68.6% received hormonal therapy. Metastatic disease developed in 51.3%, with 31% having more than one site of metastases. After a median follow up period of 66 months, the median DFS of patients was 60 months. The median DFS was significantly shorter among patients with positive lymph nodes (P < 0.0001), ER negative disease (P = 0.045) and stage III disease (P < 0.0001). CONCLUSION: Breast cancer in young women is aggressive from the time of diagnosis. Our results provide baseline data of young BC in the Middle East & North Africa region; thus, contributing to future epidemiological and hospital-based researches.
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Factores de Edad , Neoplasias de la Mama/epidemiología , Adulto , Axila , Neoplasias de la Mama/química , Neoplasias de la Mama/patología , Supervivencia sin Enfermedad , Egipto/epidemiología , Femenino , Humanos , Estimación de Kaplan-Meier , Ganglios Linfáticos/patología , Mastectomía/estadística & datos numéricos , Estadificación de Neoplasias , Receptor ErbB-2/análisis , Estudios Retrospectivos , Adulto JovenRESUMEN
BACKGROUND: Polyomavirus nephropathy (PVN) mainly caused by BK polyomavirus (BKPyV) remains the most common productive viral infection of the kidney in immunosuppressed patients. The diagnosis of PVN is based on the detection of BK viruria and BK viremia in conjunction with histological findings in the graft biopsy. METHODS: Our study was aimed to estimate the prevalence of productive BKPyV infection among renal transplant patients within the first year post-transplant and identify those at risk of developing PVN. Our cross-sectional study was conducted on 134 kidney transplant patients. Evidence of BKPyV replication was assessed by viral quantification of blood and urine samples of studied patients using a quantitative real-time polymerase chain reaction (Q-PCR)PCR), detection of decoy cells in urine cytology smears, histological examination of graft biopsies from Q-PCR BKPyV-positive patients, and immunohistochemical staining by simian virus 40 (SV40) antibody. RESULTS: Significant BKPyV infection was prevalent in 8% (n = 11) of our patients, with a peak of BKPyV infection about 8 months post transplant. BKPyV viral load by Q-PCR assay in these patients varied from 1350 to 20,000,000 (1.35 × 10(3) to 2 × 10(7) ) copies/mL for urine samples and 935 to 18,920 (9.35 × 10(2) to 1.89 × 10(4) ) copies/mL for blood samples. All the 11 patients were positive for decoy cells but only 3 developed PVN based on histology and positive SV40 staining. BKPyV infection was more prevalent in older patients. All patients responded to reduction in their immunosuppressive regimens, apart from 2 patients who required replacement of calcineurin inhibitors-based regimen with mammalian target of ramapycin inhibitors with an overall good response. CONCLUSION: Protocol screening programs based on detection of viral replication by viruria, viremia, and decoy cells in urine are necessary to shed light on patients with high virus replication and hence increased risk of developing PVN, and to allow early diagnosis and intervention.
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Virus BK/aislamiento & purificación , Inmunosupresores/efectos adversos , Enfermedades Renales/epidemiología , Trasplante de Riñón/efectos adversos , Infecciones por Polyomavirus/epidemiología , Adulto , Factores de Edad , Aloinjertos/patología , Biopsia , Estudios Transversales , ADN Viral/sangre , ADN Viral/aislamiento & purificación , ADN Viral/orina , Femenino , Humanos , Inmunosupresores/uso terapéutico , Enfermedades Renales/patología , Enfermedades Renales/orina , Enfermedades Renales/virología , Trasplante de Riñón/métodos , Donadores Vivos , Masculino , Persona de Mediana Edad , Infecciones por Polyomavirus/patología , Infecciones por Polyomavirus/orina , Infecciones por Polyomavirus/virología , Prevalencia , Reacción en Cadena en Tiempo Real de la Polimerasa , Receptores de Trasplantes , Carga Viral , Viremia/sangre , Adulto JovenRESUMEN
OBJECTIVES: To assess and compare the implementation of antimicrobial stewardship (AMS) interventions recommended within the national AMS toolkits, TARGET and Start Smart Then Focus, in English primary and secondary healthcare settings in 2014, to determine the prevalence of cross-sector engagement to drive AMS interventions and to propose next steps to improve implementation of AMS. METHODS: Electronic surveys were circulated to all 211 clinical commissioning groups (CCGs; primary sector) and to 146 (out of the 159) acute trusts (secondary sector) in England. Response rates were 39% and 63% for the primary and secondary sectors, respectively. RESULTS: The majority of CCGs and acute trusts reported reviewing national AMS toolkits formally or informally (60% and 87%, respectively). However, only 13% of CCGs and 46% of acute trusts had developed an action plan for the implementation of these toolkits. Only 5% of CCGs had antimicrobial pharmacists in post; however, the role of specialist antimicrobial pharmacists continued to remain embedded within acute trusts, with 83% of responding trusts having an antimicrobial pharmacist at a senior grade. CONCLUSIONS: The majority of healthcare organizations review national AMS toolkits; however, implementation of the toolkits, through the development of action plans to deliver AMS interventions, requires improvement. For the first time, we report the extent of cross-sector and multidisciplinary collaboration to deliver AMS interventions in both primary and secondary care sectors in England. Results highlight that further qualitative and quantitative work is required to explore mutual benefits and promote best practice. Antimicrobial pharmacists remain leaders for implementing AMS interventions across both primary and secondary healthcare sectors.
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Antiinfecciosos/uso terapéutico , Utilización de Medicamentos/normas , Política de Salud , Atención Primaria de Salud/métodos , Atención Secundaria de Salud/métodos , Estudios Transversales , Inglaterra , Adhesión a Directriz , Investigación sobre Servicios de Salud , HumanosRESUMEN
BACKGROUND: It is unclear whether more timely cancer diagnosis brings favourable outcomes, with much of the previous evidence, in some cancers, being equivocal. We set out to determine whether there is an association between time to diagnosis, treatment and clinical outcomes, across all cancers for symptomatic presentations. METHODS: Systematic review of the literature and narrative synthesis. RESULTS: We included 177 articles reporting 209 studies. These studies varied in study design, the time intervals assessed and the outcomes reported. Study quality was variable, with a small number of higher-quality studies. Heterogeneity precluded definitive findings. The cancers with more reports of an association between shorter times to diagnosis and more favourable outcomes were breast, colorectal, head and neck, testicular and melanoma. CONCLUSIONS: This is the first review encompassing many cancer types, and we have demonstrated those cancers in which more evidence of an association between shorter times to diagnosis and more favourable outcomes exists, and where it is lacking. We believe that it is reasonable to assume that efforts to expedite the diagnosis of symptomatic cancer are likely to have benefits for patients in terms of improved survival, earlier-stage diagnosis and improved quality of life, although these benefits vary between cancers.
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Diagnóstico Tardío/estadística & datos numéricos , Neoplasias , Tiempo de Tratamiento/estadística & datos numéricos , Humanos , Neoplasias/diagnóstico , Neoplasias/terapia , PronósticoRESUMEN
AIM: To investigate if any mutations in hepatitis C virus (HCV) internal ribosome entry site (IRES) can inhibit the translation of viral polyprotein. MATERIALS AND METHODS: A 26-year-old male patient infected with HCV 10 years ago was followed up. After 9 years of chronic infection. The patient had managed to resolve the infection for a period of 9 months, after which the patient experienced a viral recurrence characterized by high viral load and diverse HCV quasispecies. The IRES structures of the viral strains that disappeared were comparable with those that are currently active using structural mutational analysis. RESULTS: A novo mutational position 254 combined with a rarely observed mutation at position 253 in the stem of the IIId subdomain were observed and the new conformation had an octa-apical loop (AGUGUUGG) and a shift in the 3 ` GU from the loop to the stem. CONCLUSIONS: These mutations were found to be highly deleterious, and they affected the direct binding of the IIId loop to the 40S ribosomal subunit with a subsequent inhibition of translation of viral polyprotein and clearance of the virus.
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Hepacivirus/genética , Hepatitis C Crónica/virología , Secuencias Invertidas Repetidas , Conformación de Ácido Nucleico , ARN Viral/química , ARN Viral/genética , Regiones no Traducidas 5' , Adolescente , Secuencia de Bases , Secuencia de Consenso , Ensayo de Inmunoadsorción Enzimática , Hepacivirus/inmunología , Hepatitis C Crónica/diagnóstico , Hepatitis C Crónica/inmunología , Humanos , Masculino , Datos de Secuencia Molecular , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , Alineación de Secuencia , Carga Viral , ViremiaRESUMEN
Concentrations of Cu, Zn, Cd, Pb, Ni, Co, Fe, Mn, and Hg were measured successively in water, sediments, and six macroalgal species belonging to three algal classes during 3 years (2008-2010) from Abu Qir Bay, Alexandria, Egypt: Chlorophyceae (Enteromorpha compressa, Ulva fasciata), Phaeophyceae (Padina boryana), and Rhodophyceae (Jania rubens, Hypnea musciformis, Pterocladia capillacea). The study aimed to assess the bioaccumulation potential of the seaweeds, as well as to evaluate the extent of heavy metal contamination in the selected study site. Metals were analyzed using atomic absorption spectrophotometry coupled with MH-10 hydride system. The obtained data showed that the highest mean concentrations of Cu, Zn, Fe, and Mn were recorded in E. compressa; Cd, Ni, and Hg exhibited their highest mean concentrations in P. boryana, while Pb and Co were found in J. rubens. Abundance of the heavy metals in the algal species was as follow: Fe > Mn > Zn > Pb > Ni > Co > Cu > Cd > Hg. E. compressa showed the maximum metal pollution index (MPI) which was 11.55. Bioconcentration factor (BCF) for the metals in algae was relatively high with a maximum value for Mn. The Tomlinson pollution load index (PLI) values for the recorded algal species were low, which ranged between 1.00 in P. boryana and 2.72 in E. compressa. Enrichment factors for sediments were low fluctuating between 0.43 for Hg to 2.33 for Mn. Accordingly, the green alga E. compressa, brown alga P. boryana, and red alga J. rubens can be nominated as bioindicators. Based on MPI and PLI indices, Abu Qir Bay in the present study is considered as low-contaminated area.
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Metales Pesados/análisis , Algas Marinas/química , Contaminantes Químicos del Agua/análisis , Bahías/química , Chlorophyta/química , Egipto , Monitoreo del Ambiente , Phaeophyceae/química , Rhodophyta/química , Espectrofotometría Atómica , Ulva/química , Contaminación Química del Agua/estadística & datos numéricosRESUMEN
BACKGROUND: Pressure ulcers are common among patients with spinal cord injury and can be very challenging to treat. The treatment involves multidisciplinary approach and ranges from simple pressure relieve and wound dressings to a more radical treatment like proximal lower limb amputations, especially in chronic cases with potential detrimental effects to physical and mental health. AIM: To report the outcome of three spinal cord injury patients with a history of chronic pressure ulcers who underwent elective proximal lower limb amputations. METHODS: We reviewed three patients; patient 1 with bilateral hip disarticulation, patient 2 with left hip disarticulation and right transfemoral amputation and patient 3 with bilateral transfemoral amputation. The clinical impact and functional outcome of the patients were reviewed by comparing the length of hospital stay, the short version of the World Health Organization Quality of Life (WHOQOL- BREF) score and the Spinal Cord Independence Measures (SCIM) score before and after amputation. RESULTS: After amputation, all patients have marked reduction in hospital stay (mean reduction of 208 days), improvement in WHOQOL-BREF scores(mean increment of 14.68 scores) and minimal improvement in SCIM scores (mean increment of 3 scores) compared to before amputation. CONCLUSIONS: Proximal amputations of the lower limbs are procedures that can be considered as part of the treatment for complicated pressure ulcers. In properly selected patients, it can reduce the number of hospital stay, improve the quality of life and functional outcome.
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Amputación Quirúrgica , Procedimientos Quirúrgicos Electivos , Extremidad Inferior , Úlcera por Presión/prevención & control , Úlcera por Presión/cirugía , Traumatismos de la Médula Espinal/complicaciones , Adulto , Enfermedad Crónica , Humanos , Tiempo de Internación , Masculino , Persona de Mediana Edad , Úlcera por Presión/etiología , Calidad de Vida , Traumatismos de la Médula Espinal/rehabilitación , Vértebras TorácicasRESUMEN
BACKGROUND: The primary aim was to use routine data to compare cancer diagnostic intervals before and after implementation of the 2005 NICE Referral Guidelines for Suspected Cancer. The secondary aim was to compare change in diagnostic intervals across different categories of presenting symptoms. METHODS: Using data from the General Practice Research Database, we analysed patients with one of 15 cancers diagnosed in either 2001-2002 or 2007-2008. Putative symptom lists for each cancer were classified into whether or not they qualified for urgent referral under NICE guidelines. Diagnostic interval (duration from first presented symptom to date of diagnosis in primary care records) was compared between the two cohorts. RESULTS: In total, 37,588 patients had a new diagnosis of cancer and of these 20,535 (54.6%) had a recorded symptom in the year prior to diagnosis and were included in the analysis. The overall mean diagnostic interval fell by 5.4 days (95% CI: 2.4-8.5; P<0.001) between 2001-2002 and 2007-2008. There was evidence of significant reductions for the following cancers: (mean, 95% confidence interval) kidney (20.4 days, -0.5 to 41.5; P=0.05), head and neck (21.2 days, 0.2-41.6; P=0.04), bladder (16.4 days, 6.6-26.5; P≤0.001), colorectal (9.0 days, 3.2-14.8; P=0.002), oesophageal (13.1 days, 3.0-24.1; P=0.006) and pancreatic (12.6 days, 0.2-24.6; P=0.04). Patients who presented with NICE-qualifying symptoms had shorter diagnostic intervals than those who did not (all cancers in both cohorts). For the 2007-2008 cohort, the cancers with the shortest median diagnostic intervals were breast (26 days) and testicular (44 days); the highest were myeloma (156 days) and lung (112 days). The values for the 90th centiles of the distributions remain very high for some cancers. Tests of interaction provided little evidence of differences in change in mean diagnostic intervals between those who did and did not present with symptoms specifically cited in the NICE Guideline as requiring urgent referral. CONCLUSION: We suggest that the implementation of the 2005 NICE Guidelines may have contributed to this reduction in diagnostic intervals between 2001-2002 and 2007-2008. There remains considerable scope to achieve more timely cancer diagnosis, with the ultimate aim of improving cancer outcomes.
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Detección Precoz del Cáncer , Guías como Asunto , Neoplasias/diagnóstico , Adulto , Anciano , Femenino , Medicina General , Humanos , Masculino , Persona de Mediana Edad , Neoplasias/epidemiología , Neoplasias/patología , Atención Primaria de SaludRESUMEN
This study evaluated patients' understanding of common terms used by breast surgeons in order to identify words which may need to be defined and explained during a clinic consultation. 95 patients completed the survey. 87% defined 'Surgeon' correctly whereas 'Radiographer' and 'Radiologist' were correctly defined by only 19% and 28% respectively. 26% correctly defined 'Pathologist' and 43% 'Oncologist'. Two-thirds of patients correctly defined 'Benign' (66%) and 'Malignant' (65%). 'Mammogram' and 'Ultrasound' were correctly defined by 39% and 8% respectively. 21% of patients correctly defined 'Multi-Disciplinary Team Meeting'. 1 in 5 patients correctly defined 'Chemotherapy' (20%) and 'Radiotherapy' (19%). This study has identified that many of the medical terms used in a consultation are not understood by patients. Education must be incorporated as a routine part of the consultation to enhance the patient experience and ensure they can actively participate in making informed decisions about their care.
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Neoplasias de la Mama/terapia , Conocimientos, Actitudes y Práctica en Salud , Rol del Médico , Terminología como Asunto , Adulto , Neoplasias de la Mama/diagnóstico por imagen , Neoplasias de la Mama/patología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Visita a Consultorio Médico , Grupo de Atención al Paciente , Educación del Paciente como Asunto , Radiografía , Encuestas y CuestionariosRESUMEN
Isospora (Cystoisospora) belli diarrhea can sometimes be fulminant in immunocompromised patients. It is endemic in tropical and subtropical areas, and sporadic episodes have been reported in nonendemic areas in nursing homes, day-care centers, and psychiatric institutions. We describe isosporiasis in an HIV-negative Sudanese-American female who presented with a debilitating diarrheal illness and profound weight loss. Isospora belli was detected in her stool by modified acid-fast staining. Serologic testing was negative for HIV but positive for HTLV-1 infection. Treatment with TMP-SMZ led to improvement in her diarrhea which recurred after stopping antibiotics. Subsequently, she developed generalized lymphadenopathy which was diagnosed as ATLL on immunohistochemical staining. Chemotherapy was initiated, but her condition continued to worsen due to persistent diarrhea and resulting profound electrolyte abnormalities. The patient opted for comfort measures and died a few weeks later at a nursing facility. This case emphasizes that the detection of I. belli should trigger testing for HIV, HTLV-1, and other causes of immunocompromise. We suggest that treatment with TMP-SMZ should be initiated and continued for a prolonged period of time in immunocompromised patients with I. belli diarrhea.
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Ciática/economía , Ciática/terapia , Analgésicos/economía , Analgésicos/uso terapéutico , Ensayos Clínicos como Asunto , Análisis Costo-Beneficio , Glucocorticoides/economía , Glucocorticoides/uso terapéutico , Humanos , Inyecciones Epidurales , Modelos Económicos , Procedimientos Ortopédicos/economía , Procedimientos Ortopédicos/métodosRESUMEN
La famille des Loranthaceae est largement distribuee dans les zones tropicales en Afrique; Amerique; Asie; Australie et s'etend en zones temperees. Les Loranthaceae appartiennent a l'ordre des Santalales. Dans cette famille sont reconnus 950 especes et 77 genres. Au Cameroun 26 especes distribuees dans 7 genres sont citees. L'objectif de ce travail est d'evaluer; l'impact des Loranthaceae dans la pharmacopee traditionnelle des paysans. A travers un questionnaire semi-structure; 150 tradipraticiens en activite ont ete interviewes en 2008 a Logbessou (quartier peripherique de la ville de Douala). Les reponses de l'enquete mise sur pied revelent des informations selon lesquelles; les Loranthaceae sont des plantes parasites connues pour les degats considerables; occasionnes sur les essences ligneuses sauvages ou cultivees. Cependant; leur interet pour la pharmacopee traditionnelle est atteste. Les Loranthaceae fortifient le metabolisme et se presentent comme une panacee. Toutefois; l'ingestion des pseudobaies provoque des vomissements; de l'hypotension et des troubles nerveux. Les parties du vegetal utilisees dans le traitement sont les feuilles; les rameaux et la tige sous forme d'extraits aqueux. Les allergies severes sont rares. Le mode d'action des extraits aqueux des Loranthaceae europeennes aux niveaux cellulaire et moleculaire est discute
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Loranthaceae , Medicina Tradicional , Plantas MedicinalesRESUMEN
OBJECTIVES: Bloodstream infections (BSI) remain a major cause of morbidity and death in patients undergoing treatment for cancer. However, all recent epidemiological and therapeutic studies underline the absolute need for knowledge of the factors governing the infections in each center. The aim of this study is to identify the factors affecting BSI in the pediatric service of the National Cancer Institute (NCI) at Cairo University. More tailored policies for the treatment of patients with febrile neutropenia following chemotherapy can then be created. PATIENTS AND METHODS: Over a 12-month period, all children with cancer and fever, with or without neutropenia, who were admitted to the NCI for empirical therapy of febrile episodes and who had a microbiologically confirmed bloodstream infection were studied retrospectively. RESULTS: A total of 328 BSI occurred in 1135 febrile episodes in pediatric cancer patients at the NCI in one year. Gram-positive bacteria were isolated in 168 episodes (51.2%) and 61.9% of the total isolates (either single or mixed), Gram-negative in 97 (29.6%), and mixed infections in 45 (13.7%). The common causative agents of bloodstream infections in this study were coagulase-negative staphylococci (16.2%), Staphylococcus aureus (13.4%), Streptococcus spp. (12.1%) followed by Acinetobacter spp. (6.7%) and Pseudomonas spp. (5.5%). Fungemia was encountered in 18 episodes, being mixed in nine of them. A more serious BSI in terms of a prolonged episode was encountered in 30.2% of the episodes and was significantly associated with patients being hospitalized, having intensified chemotherapy, polymicrobial and fungal infection, lower respiratory tract infections and persistent neutropenia at day seven. CONCLUSIONS: In a large population of children, common clinical and laboratory risk factors were identified that can help predict more serious BSI. These results encourage the possibility of a more selective management strategy for these children.
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Bacteriemia/microbiología , Fungemia/microbiología , Neoplasias/complicaciones , Adolescente , Antibacterianos/uso terapéutico , Bacteriemia/tratamiento farmacológico , Bacteriemia/epidemiología , Bacteriemia/inmunología , Niño , Preescolar , Egipto/epidemiología , Femenino , Fiebre/complicaciones , Fungemia/tratamiento farmacológico , Fungemia/epidemiología , Fungemia/inmunología , Humanos , Lactante , Recién Nacido , Masculino , Neutropenia/complicaciones , Infecciones Oportunistas/tratamiento farmacológico , Infecciones Oportunistas/epidemiología , Factores de RiesgoRESUMEN
Lipid storage and breakdown is mainly controlled by lipoprotein lipase and hormone-sensitive lipase. The aim of this work was to elucidate whether growth hormone mediated loss of adipose tissue involves a concerted action on tissue lipases, and to what degree such events are modulated by dietary regimen. Twelve-month-old rats fed first a high-fat diet or a low-fat diet for 14 weeks were injected with saline or growth hormone (4 mg/kg/d) for four days or three weeks in different combinations with either high- or low-fat diets. In adipose tissue, growth hormone generally inhibited lipoprotein lipase and also attenuated the inhibiting effect of insulin on hormone-sensitive lipase activity. Growth hormone treatment combined with restricted high-fat feeding reduced the activity of both lipases in adipose tissue and stimulated hormone-sensitive lipase in muscle. Generally, plasma levels of free fatty acids, glycerol and cholesterol were reduced by growth hormone, and in combination with restricted high-fat feeding, triglyceride levels improved too. We conclude that growth hormone inhibits lipid storage in adipose tissue by reducing both lipoprotein lipase activity and insulin's inhibitory action on hormone-sensitive lipase. We also propose that growth hormone's effects on tissue lipases and blood lipids are modulated by dietary regimen.
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Tejido Adiposo/efectos de los fármacos , Hormona del Crecimiento/farmacología , Insulina/metabolismo , Lipoproteína Lipasa/metabolismo , Tejido Adiposo/metabolismo , Factores de Edad , Análisis de Varianza , Fenómenos Fisiológicos Nutricionales de los Animales , Animales , Radioisótopos de Carbono , Grasas de la Dieta/farmacología , Femenino , Expresión Génica , Hormona del Crecimiento/metabolismo , Lípidos/sangre , Lipoproteína Lipasa/antagonistas & inhibidores , Músculos/metabolismo , Ratas , Ratas Wistar , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa , Conteo por Cintilación , Esterol Esterasa/antagonistas & inhibidores , Esterol Esterasa/metabolismoRESUMEN
A prospective study was conducted in 1999 at the National Cancer Institute, Cairo University, to estimate the incidence, morbidity and mortality of fungal infections along with the evaluation of risk factors influencing outcome of infections among paediatric cancer patients. Of 1917 infectious episodes, the fungal infection rate as documented both clinically and microbiologically was 3.7% (70 cases). Fungal pathogens isolated were yeasts in 55 patients (78.6%) and moulds in 15 patients (21.11%). Among yeasts, Candida parapsilosis was the commonest, followed by C. tropicalis. Pneumonia was the most common fungal infection (n = 25, 35.7%), followed by fungaemia (n = 18, 25.7%). The overall mortality rate was 40% (n = 28), with an infection-related mortality of 28.5% (n = 20). Risk factors that accompanied mortality were relapsing or recurrent disease, profound neutropenia, ADE (Ara-C, daunorubocin and etoposide) protocol of chemotherapy, C. tropicalis isolated and fungaemia as a site of infection. Early use of empirical antifungal therapy (day 4) was not associated with a better outcome. In the light of the poor outcome of patients with fungaemia and fungal pneumonia, every effort should be made to prevent these infections in paediatric cancer patients.