Showing posts with label transfusion. Show all posts
Showing posts with label transfusion. Show all posts

Saturday 18 July 2015

Newborns Jaundice And Cerebral Palsy

Newborns Jaundice And Cerebral Palsy.
Newborns with significant jaundice are not tenable to manifest a rare and life-threatening type of cerebral palsy if American Academy of Pediatrics' treatment guidelines are followed, according to a unfamiliar study. Jaundice is yellowing of the eyes and skin due to high levels of the liver-produced pigment bilirubin. In most cases, jaundice develops amongst newborns because their liver is too childlike to break down the pigment quickly enough. Usually, this condition resolves without treatment.

Some babies, however, must suffer phototherapy. Exposure to special lights changes bilirubin into a compound that can be excreted from the body, according to the researchers. If phototherapy fails, a operation called exchange transfusion may be required. During this invasive procedure, the infant's blood is replaced with giver blood. Recommendations for exchange transfusions are based on bilirubin level, the duration of the infant and other risk factors for brain damage.

Exchange transfusion isn't without risk. Potential complications from the therapy include blood clots, blood insistence instability, bleeding and changes in blood chemistry, according to the researchers. High bilirubin levels are also risky. They've been associated with a critical form of cerebral palsy called kernicterus. In pronunciamento to investigate this association, researchers from the University of California, San Francisco and the Kaiser Permanente Northern California Division of Research examined text from two groups of more than 100000 infants.

Saturday 31 August 2013

Doctors Do A Blood Transfusion For The Involvement Of Patients In Trials Of New Cancer Drugs

Doctors Do A Blood Transfusion For The Involvement Of Patients In Trials Of New Cancer Drugs.
Canadian researchers asseverate they've noticed a off-putting trend: Cancer doctors ordering needless blood transfusions so that unquestioningly unpropitious patients can modulate for drug trials. In a letter published recently in the New England Journal of Medicine, the researchers dispatch on three cases during the in the end year in Toronto hospitals in which physicians ordered blood transfusions that could insist upon the patients appear healthier for the personal purpose of getting them into clinical trials for chemotherapy drugs where can i buy belle couleur. The routine raises both medical and ethical concerns, the authors say.

And "On the medical doctor side, you want to do the best for your patients," said co-author Dr Jeannie Callum, conductor of transfusion medicine and tissue banks at Sunnybrook Health Sciences Centre in Toronto. "If these patients have no other options Heraldry sinister to them, you want to do the whole shooting match you can to get them into a clinical trial," she said. "But the persistent is put in a horrible position, which is, 'If you want in to the trial, you have to have the transfusion.' But the transfusion only carries risks to them," she added.

A explicitly weighty complication of blood transfusions is transfusion-related incisive lung injury, which occurs in about one in 5000 transfusions and almost always requires the patient to go on life support, said Callum. But excluding the potential for physical harm, enrolling very sickly people in a clinical trial can also skew the study's results - making the medicine perform worse than it might in patients whose cancer was not as far along.

The unnecessary transfusions were discovered by the Toronto Transfusion Collaboration, a consortium of six urban area hospitals formed to carefully rethinking all transfusions as a means of improving patient safety, Callum said. At this point, it's ridiculous to know how often transfusions are ordered just to get patients into clinical trials, Callum said. When she contacted colleagues around the the human race to gain out if the practice is widespread, all replied that they didn't through the reasons for ordering blood transfusions and so would have no style of knowing.