Excess oxygen worsens lung inflammation in mice
...ients with breathing problems, but it can harm the lungs if it is used for long periods. While the problem of oxygen-induced lung damage is well known, the biochemical processes leading to this damage have not been fully explained. Dr. Sitkovsky's research reveals a possible mechanism behind this oxygen-in...Children do well with shorter fast before surgery
...ontents from being regurgitated or sucked into the lungs under general anesthesia. In the review of 43 rand...urgitation or aspiration of food or drink into the lungs was reported, according to Marian Brady of the Glasgow Caledonian University in Scotland and colleag...Lessons to be learnt from life at the very limit
... a battery of investigations to test their brains, lungs and muscles at this extreme altitude. At 8,850 metres, Mount Everest represents one of the most austere terrestrial environments the world has to offer, so much so that physiologists once believed it would be impossible to survive at the summit witho...Hospitalized babies with severe breathing problems may benefit from lying on their stomachs
...g damage from mechanical ventilators because their lungs are immature, according to the Cochrane reviewers. "Positioning may reduce the need for such interventions, or at least reduce the length of time they are required, thereby reducing the associated risk of longer-term lung damage," Wells says. Some ph...Grandmothers' smoking linked to grandchildren's asthma decades later
...udy suggests that tobacco's harmful effects on the lungs can be passed down through generations, from grandmother to grandchild, even when the child's mother appears unaffected. "This is the first study to show that if a woman smokes while she is pregnant, both her children and grandchildren may be more li...Data show cyclosporine inhalation solution improves long-term survival in lung-transplant patients
...cipient's immune system will recognize the donated lungs as foreign and attack the transplanted organ. Within the first three months, patients are at highest risk of acute rejection. However, as the patient moves out in time, the primary cause of death in up to 76 percent of cases is chronic rejection, whi...ISHLT updates guidelines for heart and lung transplants
... the number of available organs. "Demand for donor lungs is much greater the criteria is much stricter, so fewer lungs are available," says Orens. The task force groups are also tackling key issues, such as how best to ...Asthmatics naturally deficient in antiviral immunity, report scientists
...d the interferon responses of cells taken from the lungs of healthy and asthmatic volunteers, measuring how effectively a cold virus (Rhinovirus) was able to replicate in them. Rhinoviruses are the major trigger of acute asthma exacerbations and asthma sufferers are more susceptible to them. They found th...Study: obesity impairs immune response of mice, boosts chances of dying from influenza infection
...ry step of the inflammatory immune response in the lungs necessary to stop spread of the virus," Beck said....d by activation of T cells that circulate into the lungs to further limit viral spread. There were considerable differences between the obese and lean animal...