PubMed Journals Articles About "Radiation Persistent Acromegaly Safe Effective" RSS

04:56 EDT 19th March 2018 | BioPortfolio

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Showing "Radiation Persistent Acromegaly Safe Effective" PubMed Articles 1–25 of 15,000+

Radiotherapy in acromegaly: long-term brain parenchymal and vascular magnetic resonance changes.

Radiation therapy (RT) effectiveness on hormonal reduction is proven in acromegaly; however, collateral long-term effects are still undetermined. This transversal neuroimaging study on a large cohort of acromegalic patients aimed to investigate the rate of parenchymal and vascular changes after RT.

Prevalence of acromegaly in patients with symptoms of sleep apnea.

Acromegaly is a rare disease with nonspecific symptoms with acral enlargement being almost universally present at diagnosis. The estimated prevalence is 40-125 cases/million but targeted universal screening studies have found a higher prevalence (about 10 fold). The aim of the ACROSAHS study was to investigate the prevalence of acromegaly and acromegaly comorbidities in patients with sleep apnea symptoms and acral enlargement. ACROSAHS was a Spanish prospective non-interventional epidemiological study in 13...

Surgical debulking of pituitary adenomas improves responsiveness to octreotide lar in the treatment of acromegaly.

Studies comparing primary medical treatment of acromegaly with surgery are often non-randomized, and not stratified by illness severity. We prospectively compared primary medical therapy with pituitary surgery in patients with acromegaly. All patients had macroadenomas, at least one random human growth hormone (GH) level ≥12.5 ng/mL, elevated IGF-I levels and failure to suppress GH to

Coronary microvascular dysfunction may be related to IGF-1 in acromegalic patients and can be restored by therapy.

Acromegaly increases the risk of cardiovascular mortality. Data on the cardiovascular risk in asymptomatic acromegaly are limited. In particular, data on coronary microvascular abnormalities are lacking. We assessed coronary flow reserve (CFR) as a marker of coronary microvascular function in asymptomatic acromegaly.

Age- and Sex-Specific Differences as Predictors of Surgical Remission among Patients with Acromegaly.

Sex and age are factors conferring resistance to medical treatment in patients with acromegaly. However, their impact on outcomes of transsphenoidal adenomectomy (TSA) has not been evaluated.

Radiation-induced unrepairable DSBs: their role in the late effects of radiation and possible applications to biodosimetry.

Although the vast majority of DNA damage induced by radiation exposure disappears rapidly, some lesions remain in the cell nucleus in very small quantities for days to months. These lesions may cause a considerable threat to an organism and include certain types of DNA double-strand breaks (DSBs) called 'unrepairable DSBs'. Unrepairable DSBs are thought to cause persistent malfunctioning of cells and tissues or cause late effects of radiation, especially the induction of delayed cell death, mutation, senesc...

Development of ACRODAT(®), a new software medical device to assess disease activity in patients with acromegaly.

Despite availability of multimodal treatment options for acromegaly, achievement of long-term disease control is suboptimal in a significant number of patients. Furthermore, disease control as defined by biochemical normalization may not always show concordance with disease-related symptoms or patient's perceived quality of life. We developed and validated a tool to measure disease activity in acromegaly to support decision-making in clinical practice.

Body composition and ectopic lipid changes with biochemical control of acromegaly.

Acromegaly is characterized by GH and IGF-1 hypersecretion, and GH and IGF-1 play important roles in regulating body composition and glucose homeostasis.

Hypoxia-Induced Mesenchymal Stromal Cells Exhibit an Enhanced Therapeutic Effect on Radiation-Induced Lung Injury in Mice due to an Increased Proliferation Potential and Enhanced Antioxidant Ability.

Radiation therapy is an important treatment for thoracic cancer; however, side effects accompanied with radiotherapy lead to limited tumor control and a decline in patient quality of life. Among these side effects, radiation-induced lung injury (RILI) is the most serious and common. Hence, an effective remedy for RILI is needed. Mesenchymal stromal cells (MSCs) are multipotent adult stem cells that have been demonstrated to be an effective treatment in some disease caused by tissue damage. However, unlike o...

Silent somatotroph pituitary adenomas: an update.

Silent growth hormone adenomas (SGHA) are a rare entity of non-functioning pituitary neuroendocrine tumors. Diagnosis is invariably made post-operatively of a tumor immunopositive for GH (and Pit-1 in selected cases) but without clinical acromegaly. Mainly young females are affected, and tumors are often uncovered by investigation for headaches or oligoamenorrhea. Integration of clinical, pathological and biochemical data is required for proper diagnosis. Beside normal IGF-1 levels, a third of SGHAs display...

Importance of risk comparison for individual and societal decision-making after the Fukushima disaster.

Risk comparison is essential for effective societal and individual decision-making. After the Fukushima disaster, studies compared radiation and other disaster-related risks to determine the effective prioritizing of measures for response. Evaluating the value of risk comparison information can enable effective risk communication. In this review, the value of risk comparison after the Fukushima disaster for societal and individual decision-making is discussed while clarifying the concept of radiation risk a...

Is ERAS effective and safe in laparoscopic gastrectomy for gastric carcinoma? A meta-analysis.

It is still unclear whether enhanced recovery after surgery is effective and safe in laparoscopic gastrectomy for gastric carcinoma.


This study was conducted to assess the level of radioactivity and the radiation hazards associated with granite rocks used for construction of buildings. The measurement of radioactivity content of the rock samples was performed with gamma-spectrometry equipped with Nal (TI) detector. From the results obtained in this study the average activity concentrations of 226Ra, 232Th and 40K were 20.64, 30.50 and 295.19 Bq kg-1, respectively. The absorbed dose rate in air at 1 m above ground level, the annual effect...

Acromegaly: A Dental Disease?

Acromegaly is a serious disease that affects the pituitary gland causing unusual growth in patients. There are various dental manifestation of the condition and it is plausible that a dentist will be the first to recognize the problem. This article describes the disease and the dental implications for patients who have it.

Ag-promoted zinc oxide Zn(O):Ag: A novel structure for safe protection of human skin against UVA radiation.

Different sunscreens are employed to prevent photo damage (cancer, inflammation, etc.), including ZnO. ZnO is safe when applied as micro-size particle. To overcome some visual problems of ZnO micro-size particles, this sunscreen has been introduced as nano-size particles. Unfortunately, ZnO nanoparticles have raised some health concerns, due to Znrelease. On the other hand, it has been shown that ZnO metallic lattice change by metal doping decreases its solubility and toxicity. Therefore, we have decided he...

Hypersomatotropism induced secondary polycythaemia leading to spontaneous pituitary apoplexy resulting in cure of acromegaly and remission of polycythaemia: 'The virtuous circle'.

A young man with subtle clinical features suggestive of hypersomatotropism presented with acute-onset severe headache. Relevant investigations confirmed polycythaemia and growth hormone (GH)-secreting pituitary macroadenoma with apoplexy. Secondary polycythaemia and myeloproliferative disorders were ruled out. At follow-up after 3 months, resolution of polycythaemia and acromegaly was observed, evident on normal haemoglobin levels, a normocellular marrow, and normal insulin-like growth factor-1 (IGF-1) wi...

A Single Exposure to Low- or High-LET Radiation Induces Persistent Genomic Damage in Mouse Epithelial Cells In Vitro and in Lung Tissue.

Exposures to low- and high-linear energy transfer (LET) radiation induce clustered damage in DNA that is difficult to repair. These lesions are manifested as DNA-associated foci positive for DNA repair proteins and have been shown to persist in vitro and in vivo for days in several cell types and tissues in response to low-LET radiation. Although in some experimental conditions these residual foci have been linked with genomic instability and chromosomal aberrations, it remains poorly understood what type o...

Gold nanocluster-mediated cellular death under electromagnetic radiation.

Gold nanoclusters (Au NCs) have become a promising nanomaterial for cancer therapy due to their biocompatibility and fluorescent properties. In this study, the effect of ultrasmall protein-stabilized 2 nm Au NCs on six types of mammalian cells (fibroblasts, B-lymphocytes, glioblastoma, neuroblastoma, and two types of prostate cancer cells) under electromagnetic radiation is investigated. Cellular association of Au NCs in vitro is concentration-dependent and Au NCs have low intrinsic toxicity. However, when ...

Bevacizumab as an effective treatment for radiation necrosis after radiotherapy for melanoma brain metastases.

Radiation necrosis (RN) is a potential late complication of radiotherapy for intracranial malignancy, which is often associated with significant neurological morbidity. Prolonged treatment with high-dose corticosteroids or surgical resection has been the standard care for RN, but protracted steroid use can lead to significant side effects and surgical resection is not always feasible. The antivascular endothelial growth factor monoclonal antibody bevacizumab induces clinical and radiographic improvements in...

Endoscopic Transsphenoidal Approach for Acromegaly: Remission Rates in 401 Patients: 2010 Consensus Criteria.

Transsphenoidal surgery is the first choice treatment for acromegaly. Postoperative remission is an important predictor of outcome. Various factors have been described as markers of remission preoperative mean growth hormone (GH) and insulin-like growth factor-1 levels, cavernous sinus invasion, tumor size, extra pseudocapsule resection, and experience of the surgeon.

Effects of active acromegaly on bone mRNA and microRNA expression patterns.

To evaluate the response of bone to chronic long-term growth hormone (GH) and insulin-like growth factor-1 (IGF1) excess by measuring the expression of selected mRNA and microRNA (miR) in bone samples of patients with active acromegaly.

VCSim3: a VR simulator for cardiovascular interventions.

Effective and safe performance of cardiovascular interventions requires excellent catheter/guidewire manipulation skills. These skills are currently mainly gained through an apprenticeship on real patients, which may not be safe or cost-effective. Computer simulation offers an alternative for core skills training. However, replicating the physical behaviour of real instruments navigated through blood vessels is a challenging task.

Population-based HPV vaccination programmes are safe and effective: 2017 update and the impetus for achieving better global coverage.

Persistent oncogenic human papillomavirus (HPV) is the cause of cervical cancer, as well as cancers of the anus, penis, vulva, vagina and oropharynx. There is good evidence that prophylactic HPV vaccines are immunogenic and effective against targeted-type HPV infections and type-specific genital lesions, including high-grade cervical intraepithelial neoplasia (CIN), when administered prior to HPV infection. There is good evidence that HPV vaccines are safe in population usage, with the most frequent adverse...

Fibroblast Growth Factor 21 in Patients with Acromegaly.

Introduction The goal of the study was to investigate fibroblast growth factor-21 (FGF-21) levels in acromegalic patients in relation to the disease activity and to compare them with controls. Further, we aimed to evaluate the associations between FGF-21 and random growth hormone (GH), insulin-like growth factor-1 (IGF-1), metabolic and anthropometric parameters. Materials and methods The study group consisted of 50 acromegalic patients divided into 3 subgroups on the basis of disease activity (AA - active ...

Cerebral Radiation Necrosis: An Analysis of Clinical and Quantitative Imaging and Volumetric Features.

Radiation therapy (RT) is an effective treatment for primary brain tumors and intracranial metastases, but can occasionally precede new enhancing lesions on imaging studies that are difficult to discern between a tumor recurrence (TR) or radiation necrosis (RN). There is a need to identify clinical presentation and imaging patterns that may obviate the need for invasive definitive biopsy.

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