nitrates

Researchers find possible environmental causes for Alzheimer's, diabetes

...und a substantial link between increased levels of nitrates in our environment and food with increased deaths ...n, food processing and drinking." Nitrites and nitrates belong to a class of chemical compounds that have ...ontent. Because of the significant levels of added nitrates and nitrites, nitrosamines are nearly always detec...

Some Elderly Heart Failure Patients Get Little Help From Meds, Study Finds

...s -- including statins, angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers, beta blockers, diuretics, calcium channel blockers, nitrates and digoxin -- seemed to make any significant difference in who survived and who died. "At least for patients above the age of 80 with diastolic he...

New System Devised To Guide Doctors Treating Patients With Symptomatic Myocardial Bridging

...r follow-up, the cardiologists propose a new diagnostic work-up and therapeutic strategy: Type A: No further diagnostic work or therapy is needed. nitrates should be avoided. In rare cases, beta- blockers might be considered temporarily to relieve symptoms. Type B: Initiate beta-blockers or calcium ch...

New system devised to guide doctors treating patients with symptomatic myocardial bridging

...ar follow-up, the cardiologists propose a new diagnostic work-up and therapeutic strategy: Type A: No further diagnostic work or therapy is needed. nitrates should be avoided. In rare cases, beta-blockers might be considered temporarily to relieve symptoms. Type B: Initiate beta-blockers or calcium chan...

Cardiogenesis Announces Preliminary Results Combining TMR + Platelet Rich Plasma (PRP)

... Reyes reported the combination of TMR with bone marrow derived stem cells had demonstrated an improvement in angina class and reduction in the use of nitrates for the treated patients. These two reports demonstrate the clinical potential for TMR to enhance the effect of biologic substances through their prec...

Large source of nitrate, a potential water contaminant, found in near-surface desert soils

...l moisture resulting from climate change increases the potential for denitrification a naturally-occurring process in soil, where bacteria break down nitrates to return nitrogen gas to the atmosphere. Denitrification also produces nitrous oxide, a major greenhouse gas, Graham said. Next in their research...

Purdue lab works to improve conditions at indoor swimming pools

...diation break down to "more or less innocuous compounds," Blatchley said. The disinfection byproducts are converted to several compounds, including nitrates and nitrous oxide, also known as laughing gas. "Currently, we know where about 75 percent of the nitrogen goes, and we think we know where most of ...

GSK Revises US Labeling for Avandia(R)

...attack (myocardial infarction). This risk appeared higher in patients taking medicines called nitrates or insulin. Taking Avandia with insulin or with nitrates is not recommended. If you have chest pain or a feeling of chest pressure, you should seek immediate medical attention, regardless of what diabetes me...

Mayo Clinic Proceedings: Men with chronic heart failure can have active sex lives

...d tadalafil (Cialis). However, numerous experts have raised concerns about the use of these drugs in patients with chronic heart failure who also take nitrates (or other medications that relax and widen blood vessels). This drug combination has been shown to be dangerous, because it can increase the risk for ...

Premature Birth Linked With Increased Use of Pesticides

...ly associated with increased use of pesticides and nitrates , according to study. Dr. Winchester and ...hat preterm birth rates peaked when pesticides and nitrates measurements in surface water were highest (April-July) and were lowest when nitrates and pesticides were lowest (Aug.-Sept.). ...

nitrates in Medical Technology

Study Results Present Efficacy and Safety Findings from the PHIRST-1 Study of Patients with Pulmonary Arterial Hypertension Taking Tadalafil Tablets Once Daily

...ce) in more than 100 countries. Important Safety Information for ADCIRCA ADCIRCA should not be used in patients taking medicines that contain nitrates (often used for chest pain) as the combination could cause a sudden, unsafe drop in blood pressure. If a patient experiences anginal chest pain after ...

Large, Long-Term Study Shows Avandia Has No Increased Overall Cardiovascular Risk Compared to Other Commonly Used Diabetes Medicines

...ugar control in adults with type 2 diabetes. Taking AVANDIA with insulin or nitrates is not recommended. AVANDIA can cause or worsen heart failure. ...infarction). This risk appeared higher in patients taking medicines called nitrates or insulin. If you have chest pain or a feeling of chest pressure, yo...

FDA Approves ADCIRCA(TM) (Tadalafil) Tablets for the Treatment of Pulmonary Arterial Hypertension

...n more than 100 countries. Important Safety Information for ADCIRCA ADCIRCA should not be used in patients taking medicines that contain nitrates (often used for chest pain) as the combination could cause a sudden, unsafe drop in blood pressure. If a patient experiences anginal chest pain after...

GSK Believes There Is No Liver Safety Issue With AVANDIA; Responds to Public Citizen Petition

...ugar control in adults with type 2 diabetes. Taking AVANDIA with insulin or nitrates is not recommended. AVANDIA can cause or worsen heart failure. If you hav... infarction). This risk appeared higher in patients taking medicines called nitrates or insulin. If you have chest pain or a feeling of chest pressure, you sh...

FDA Updates Label for AVANDIA(R) to Include Clinical Findings Demonstrating Sustained Glycemic Control for Up to Five Years

... infarction). This risk appeared higher in patients taking medicines called nitrates or insulin. Taking AVANDIA with insulin or with nitrates is not recommended. If you have chest pain or a feeling of chest pressure...

Two Large, Independent Outcomes Trials Offer New Important Safety Information on Cardiovascular Effects of AVANDIA(R)

... infarction). This risk appeared higher in patients taking medicines called nitrates or insulin. Taking AVANDIA with insulin or with nitrates is not recommended. If you have chest pain or a feeling of chest pressure...

Large, Long-Term Veterans Affairs Diabetes Trial (VADT) Reveals Important Cardiovascular Safety News on AVANDIA(R)

... infarction). This risk appeared higher in patients taking medicines called nitrates or insulin. Taking AVANDIA with insulin or with nitrates is not recommended. If you have chest pain or a feeling of chest pressure...

Pew Commission Says Industrial Scale Farm Animal Production Poses 'Unacceptable' Risks to Public Health, Environment

...s to excessive nutrient loading and, ultimately, eutrophication of surface waters. Eutrophication is an excess of nutrients in a body of water, mostly nitrates and phosphates from erosion and runoff of surrounding lands, that causes a dense growth of plant life and the death of aquatic animal life due to lack...

New Study Shows LEVITRA Successfully Treats Erectile Dysfunction (ED) in Men with Dyslipidemia, Including High Cholesterol

...cription medicine that is indicated to treat erectile dysfunction (ED). Consistent with the effects of PDE5 inhibition, administration of LEVITRA with nitrates and nitric oxide donors is contraindicated. Caution is advised when PDE5 inhibitors, including LEVITRA, are used concomitantly with stable alpha-blo...

nitrates in Medical Dictionary

Coronary arteries

... arteries , including any blockages, without the need for more invasive, ... InteliHealth - Featuring Harvard Medical School's consumer health ... nitrates widen the coronary arteries and increase the blood flow to the heart muscle. ... Coronary artery disease - Cleveland Clinic Heart &a...

nitrates in Biological News

Premature births may be linked to seasonal levels of pesticides and nitrates in surface water

The growing premature birth rate in the United States appears to be strongly associated with increased use of pesticides and nitrates, according to work conducted by Paul Winchester, M.D., professor of clinical pediatrics at the Indiana University School of Medicine. He reports his findings May 7 a...

UC Davis begins $2.8 million in studies of agricultural nitrogen's impacts

...d-level ozone, which can cause or worsen respiratory diseases such as asthma and viral infections such as the common cold; High concentrations of nitrates in groundwater, which can cause methemoglobinemia, or "blue baby disease," and possibly bladder and ovarian cancers; and Nitrogen runoff in bays ...

When fish farms are built along the coast, where does the waste go?

... by the tens of thousands, creating yet another unpleasant waste stream. The wastes can carry disease, causing damage directly. Or the phosphate and nitrates in the mix may feed an algae bloom that sucks the oxygen from the water, leaving it uninhabitable, a phenomenon long associated with fertilizer runoff...

Computation and genomics data drive bacterial research into new golden age

...me plants rely on bacteria to fix the nitrogen they need for the manufacture of critical compounds, primarily proteins, from the air, rather than from nitrates they obtain in the soil. One talk by Eva Kondorosi from the Institut des Sciences du Vgtal in Gif sur Yvette in France, showed that the process by whi...

NSF funds research at Illinois on sustainable biofuels infrastructure

...w much water and fertilizer different crops require and how different agricultural practices affect water quality and the runoff of pollutants such as nitrates and phosphorous. Some potential biofuels crops, such as Miscanthus, require less fertilizer than other crops and are efficient at extracting nitrog...

Evolving designer ecosystem sheds light on unintended consequences

...e to nitrogen gas, which then is released harmlessly to the atmosphere. High nitrogen loads from urban areas can overwhelm streams' capacity to remove nitrates and the resulting pollution of downstream rivers has been linked to the proliferation of coastal dead zones. "We were surprised by how frequently ...

URI researcher: China can't fully fix air quality problem for Olympics

...ist primarily of organic matter from transportation, factories and cooking, while regional sources of pollution include ammonium sulfates and ammonium nitrates from coal-burning power plants, industry and transportation sources, which are easily transported long distances in the atmosphere, according to Rahn....

Dosage of fertilizer helps to enhance quality of wheat

...es for the environment, as plants only manage to incorporate about half of this substance, the rest filtering to subterranean waterbeds in the form of nitrates and which can be toxic for human consumption; or otherwise it is freed into the atmosphere in the form nitrogenated gases, such as ammonia. Within...

Study in Science cites impact of anthropogenic nitrogen on ocean biology, atmospheric CO2

...eans. Consequently any processes that affect the ocean uptake of CO2 can have an effect on global warming. Various nitrogen compounds, especially nitrates and ammonium, play an important role in oceans photosynthesis by acting as fertilizers that stimulate the growth of marine organisms. Because of huma...

Nitrates in vegetables protect against gastric ulcers

... Fruits and vegetables that are rich in nitrates protect the stomach from damage. This takes place through conversion of nitrates into nitrites by the bacteria in the oral cavity a...s. In the body the blood circulation transports nitrates to the salivary glands, where they are concentrate...

nitrates in Biological Technology

GlaxoSmithKline Responds to JAMA Article on the ICES Thiazolidinediones and Cardiovascular Outcomes in Older Patients with Diabetes

... infarction). This risk appeared higher in patients taking medicines called nitrates or insulin. Taking Avandia with insulin or with nitrates is not recommended. If you have chest pain or a feeling of chest pressure...

nitrates in Biological Definition

Cellular respiration

... than oxygen. Bacteria are capable of using a wide variety of compounds as terminal electron acceptors in respiration: nitrogenous compounds (such as nitrates and nitrites), sulfur compounds (such as sulfates, sulfites, sulfur dioxide, and elemental sulfur), carbon dioxide, iron compounds, manganese compound...

Photolysis

... by which primary pollutants such as hydrocarbons and nitrogen dioxide are combined by sunlight to form secondary pollutants such as peroxyacyl nitrates . See photochemical smog . ...