Purpose: Adaptive planning is often needed in lung cancer proton therapy to account for geometrical variations, such as tumor shrinkage and other anatomical changes. The purpose of this study is to present our findings in adaptive radiotherapy for lung cancer using uniform scanning proton beams, including clinical workflow, adaptation strategies and considerations, and toxicities.
Methods: We analyzed 165 lung patients treated using uniform scanning proton beams at our center. Quality assurance (QA) plans were generated after repeated computerized tomography (CT) scan to evaluate anatomic and dosimetric change during the course of treatment. Plan adaptation was determined mutually by physicists and physicians after QA plan evaluation, based on several clinical and practical considerations including potential clinical benefit and associated cost in plan adaption. Detailed analysis was performed for all patients with a plan adaptation, including the type of anatomy change, at which fraction the adaption was made, and the strategy for adaptation. Toxicities were compared between patients with and without plan adaptation.
Results: In total, 32 adaptive plans were made for 31 patients out of 165 patients, with one patient undergoing adaptive planning twice. Anatomy changes leading to plan adaptation included tumor shrinkage (17), pleural effusion (3), patient weight loss (2), and tumor growth or other anatomy change (9). The plan adaptation occurred at the 15th fraction on average and ranged from the 1st to 31st fraction. Strategies of plan adaptation included range change only (18), re-planning with new patient-specific hardware (9), and others (5). Most toxicities were Grade 1 or 2, with dermatitis the highest toxicity rate.
Conclusion: Adaptive planning is necessary in proton therapy to account for anatomy change and its effect on proton penetration depth during the course of treatment. It is important to take practical considerations into account and fully understand the limitations of plan adaptation process and tools to make wise decision on adaptive planning. USPT is a safe treatment for lung cancer patients with no Grade 4 toxicity.
Maria Pilar Barretina-Ginesta, Jaume Galceran*, Helena Pla, Cristina Meléndez, Anna Carbo Bague, Alberto Ameijide, Marià Carulla, Jordi Barretina, Angel Izquierdo and Rafael Marcos-Gragera
Background: Breast cancer (BC) is one of the most prevalent malignancies. BC survivors have higher risk of second primary cancers than the general population. There is an increased interest in BC survivor management, including the prevention of these second cancers. The aim of this study was to assess the risk of gynaecological malignancy (GM) as second neoplasm among BC patients in our population.
Methods: Patients with invasive BC diagnosed from 1980 to 2014 included in the Girona Cancer Registry were included. The incidence of second GM in these patients was compared to those in the general population. Second primary cancer was stated as a tumour diagnosed after 2 months from the BC diagnosis. Standardized incidence ratios (SIR) and absolute excess of risk (AER) were calculated.
Results: 9,717 patients were diagnosed with invasive BC during this period, with a median age at diagnosis of 61 years, and a median follow-up of 7.9 years. 117 of them developed a second GM. By tumour type, the only statistically significant higher SIR was observed for corpus uteri cancer (SIR:2.28 95% CI 1.82-2.83; AER:6.43 95% CI 4.13-9.14). After reviewing the histology of the corpus uteri cancer cases, we found that 71.4% were type I (endometrioid adenocarcinoma), 15.5% type II (serous adenocarcinomas and clear cell carcinomas), 10.7% carcinosarcomas, 2.4% sarcomas and there were no unspecified malignant neoplasms.
Conclusion: BC survivors have an increased risk of corpus uteri cancer, with an increase in unfavourable histologies compared to the general population. Lifelong primary and secondary prevention interventions should be recommended for these patients.
Purpose: We have studied in 18-month 21 patients showing kerato-conjunctivitis and/or dermato-blefaritis, where we will find a constant presence of mycoplasma in SEM optical cytology samples. The 21 patients were divided as follows: 7 allergic, 7 alleged allergic and 7 not-allergic, this division it makes between a clinical approach considering clinical history and symptoms. At the first examination, 16 of the 21 patients had a single or multiple infection in which the main pathogenic element was found to be Mycoplasma; the remaining 7, 4 of them were suspected allergic patients, 2 of it, were allergic subjects with the presence of eosinophils or mast cells.
Material and methods: All the study is constructed on citological optical microscopy and citological electron scanning microscopy (SEM) images for demonstrate the efficacy of the SEM in clinical approach at allergic, not allergic and suspected allergic patients.
Therapeutic treatment and Results: Treatment of the allergic and false allergic patients has made with local somministration of galenic composition with ialuronic acid 3 ml and Tetracycline hydrochloride 30 mg and with low level of cortisone and antisthaminic therapy. This treatment is necessary to eradicate the Mycoplasma infection and counteract toxic action of this pathogen on mucosa.
Discussion: After appropriate therapy we note that allergic patients have a greater predisposition to redundancy in infections in the short period (minimum 20 days), while alleged allergic patients have more prolonged infection periods (between 3 and 5 months), with constant presence at low levels of persistent Mycoplasma. The latter continue to show signs and symptoms similar to allergic patients, but with a negative test for tear IgE and absence of eosinophils and/or mast cells, in the optical and SEM samples displayed.
Introduction: Lipoprotein (a) [Lp(a)] is a marker for cardiovascular disease, involved in pathogenesis and progression of atherosclerosis. In selected high-risk patients, lipoprotein-apheresis could optimize secondary prevention and improve prognosis.
Aim: We presented the case of a 49-year-old man with high lipoprotein (a) levels and recurrent cardiac adverse events, despite maximal pharmacological therapy.
Case report: Four years before the admission at our Centre, he presented an anterior STEMI, treated with angioplasty and implantation of a drug eluting stent on left anterior descending artery, at the age of 47 years, in September 2012; one month later, the patients presented a new episode of angina, and exams showed a critical stenosis in the right coronary artery, treated by angioplasty and implantation of drug eluting stent. Because of high Lp(a) plasma levels, patient was subsequently on regularly 7-10 day lipoprotein apheresis.
Results and discussion: A thrombophilic screening was performed, showing the simultaneous presence of heterozygous V Leiden mutation and prothrombin G20210A mutation. He referred to our Centre in order to optimize therapy; we performed an endothelial function assessment showing a severe dysfunctional pattern.
Because of these findings, we prescribed dual antiplatelet therapy, and we added omega-3 fatty acids and association with nicotinic acid/laropiprant. According with current guidelines, considering the high risk of bleeding, we preferred not to administer anticoagulant therapy. At 6-month and 1-year follow up the patient continued lipoprotein apheresis and was asymptomatic for other cardiovascular events.
Conclusions: The assessment for the eventual presence of thrombophilia might become a useful tool in clinical practice for high-risk selected patients.
Mauro Luisetto*, Naseer Almukhtar, Ahmed Yesvi Rafa, Behzad Nili Ahmadabadi, Ghulam Rasool Mashori, Farhan Ahmad Khan, Ram Kumar Sahu, Gamal Abdul Hamid and Khaled Edbey
Aim of this work is to verify the effect of some neurotoxins, physical factors and geography in presentation of some Relevant Neurological disorder like some form of ASL, PD, AD.
The geographic diffusion of the ASL/PD in west pacific (GUAM foci), and mutation of SOD 1 and other mutations are interesting facts to verify the recent literature about the neurotoxic process.
Related to the references presented a global conclusion about the pathogenetic progression of some neurological disease will be produced as instrument for new hypothesis and for the introduction of new innovative therapeutic strategies.
Alzheimer’s Disease (AD) is a common dementia problem of the old population. The two main hallmarks of AD are tau protein and amyloid-beta protein. The relevant investigations on AD suggest that these proteins are also seen in the eye. There are many tests and imaging modalities are used for AD diagnosis. But these techniques are still unable to predict the disease effectively. In this regard, the lens of the eye may help in diagnosing AD. Therefore, a reliable technique for measuring the lens or retina must be selected. In this paper, we focus on the different types of retinal diseases occur in AD patients and the use of the Optical Coherence Tomography (OCT) technique is used for diagnosing AD.
Objective: Anemia, a common complication of chronic kidney disease, usually develops because of erythropoietin deficiency. Maintaining target hemoglobin (Hb) with minimal variability is a challenge in hemodialysis (HD) patients. The aim of this study is to compare the long- and short-acting erythropoietin erythropoietin stimulating agents such as Mircera and Eprex in achieving these targets.
Results: The response rate in the evaluation period was higher in patients treated with methoxypolyethylene glycol-epoetin beta (Mircera) than with epoetin (Eprex) alfa: 36 of 50 (72%) mean Hb concentration (10.51g/dl) versus 29 of 50 (58%) mean Hb concentration (9.81), with statistically significant p-value <0.0001.
Conclusion: Treatment with (Mircera) administered intravenously once monthly was superior to treatment with (Eprex) administered subcutaneously three times weekly for maintaining haemoglobin concentrations in patients with chronic kidney disease on hemodialysis.
Hypertension is a complex disorder involving multiple organ systems and the primarily modifiable risk factor for heart disease, which is the leading cause of death among both men and women in the World. Although both men and women develop hypertension, distinct gender differences in the incidence and severity of hypertension are well established where men have a higher incidence of hypertension compared with women of the same age until the sixth decade of life [1,2]. Despite gender differences in human hypertension, the treatment guidelines do not differ by gender [3]. Even if the causes of hypertension are complex and are related to genetic factors, lifestyle, diet structure, and environmental factors including air pollution [4], coupled with the potential determinants of hypertension, sex differences in hypertension-which exist in human populations-are attributed to both biological and behavioural factors. The biological factors include sex hormones, chromosomal differences, and other biological sex differences that are protective against hypertension in women. These factors become prominent in adolescence and persist through adulthood until women reach menopause. Behavioural risk factors for hypertension include high body mass index, smoking, and low physical activity.
Microparticles (MPs) are considered important diagnostic biological markers in many diseases with promising predictive value. There are several methods that currently used for the detection of number and characterization of structure and features of MPs. Therefore, the MP detection methods have been remained pretty costly and time consuming. The review is depicted the perspectives to use coupling methods for MP measurement and structure assay. Indeed, there is large body evidence regarding that the combination of atomic force microscopy or coupling nanoparticle tracking analysis (NTA) with microbeads, plasmon resonance method and fluorescence quantum dots could exhibit much more accurate ability to detect both number and structure of MPs when compared with traditional flow cytometry and fluorescent microscopy. Whether several combined methods would be useful for advanced MP detection is not fully clear, while it is extremely promising.
Objective: To evaluate whether the occurrence of maternal pathologies, mainly Diabetes Mellitus and Hypertensive Syndromes in the gestational or pre-gestational period may be related to hearing impairment in postpartum women.
Methods: Observational, prospective study including 361 puerperal women who had their deliveries at a reference University Hospital for pregnant women with clinical history of risk. Auditory evaluation was performed by Distortion Product Otoaccoustic Emissions (DPOAE) within 14 days after delivery. Measures of central tendency and absolute and relative frequencies were used to describe the sample and the chi-square test and binary logistic regression to assess the correlation among variables. Significance higher than 95% was observed and the study was approved by the Research Ethics Committee.
Results: A total of 361 postpartum women were studied and 7.5% had hearing impairment. The frequency of gestational hypertension was 13.9%, that of gestational diabetes was 8.6% and that of pre-pregnancy diabetes mellitus was 5.8%. The presence of hearing impairment was significantly correlated with the occurrence of pre-pregnancy diabetes mellitus (OR: 4.5 - CI: 1.51-1.47), and maternal age greater than 29 years (OR: 3.72 - 1, 58-8.76); A correlation was also found between maternal age and the presence of pre-pregnancy diabetes mellitus (OR: 3.84 - CI: 1.45-10.15).
Conclusion: In the population of postpartum women evaluated, having Diabetes Mellitus prior to pregnancy and belonging to the age group older than 29 years increases the chance of having hearing loss.
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