Critically ill patients receiving early enteral nutrition had lower rates of liver dysfunction compared to those fed through central venous catheters. Early feeding was associated with reduced liver dysfunction, longer ICU stays, but no increased mortality.
A study found associations between two genes involved in choline metabolism and the risk of spina bifida. The link was discovered independently of maternal dietary choline intake during pregnancy.
Restricting travel can significantly reduce the spread of infections like SARS, with a 50% decrease in infected individuals and over 80% reduction in affected municipalities. A ban on trips longer than 20 km would have an even greater impact, reducing the spread even if compliance is as low as 70%
A new study published in BMC Medicine found that HIV prevalence in Andhra Pradesh's Guntur district is 1.72%, significantly lower than the official estimate of 4.3% for the entire country. The study estimated 45,900 individuals with HIV in Guntur district, highlighting potential overestimation of HIV burden in India.
A large study of Australian women found that epidurals during labor and birth are associated with decreased rates of breastfeeding in both the short-term and long-term. Women who had epidurals were more likely to experience difficulty breastfeeding and give up breastfeeding before six months compared to those without analgesia.
A study found that two-thirds of ICU patients who gave informed consent to clinical trials did not remember the purpose and risks. Most patients remembered participating in the trial, but lacked recall of specific details.
A study found that monitoring grey matter density over time using brain scans could help early detection of individuals at risk for schizophrenia. The results showed a correlation between reduced grey matter density and increased risk of developing the condition.
Researchers found that tea extracts reduce inflammation and duration of radiation-induced skin damage by up to 10 days. Green tea extracts are more effective than black tea in some patients.
A study published in the Journal of Biology found that chemotherapy drugs can cause long-term damage to brain cells, killing neural stem cells and oligodendrocytes, and impairing neural stem cell division. This may explain the adverse neurological side effects observed in some cancer patients treated with chemotherapy.
Scientists have identified a group of genes controlling shape and color patterns on abalone shells, which mirror the localized expression of these genes in the mantle. The study reveals a complex secretome that enables diversification of shell strength and design.
A recent study reports a 100% success rate for ultrasound-guided internal jugular vein catheterisation, reducing bloodstream infections and arterial punctures compared to traditional landmark methods. The use of real-time ultrasound images also significantly reduces the time required to insert the catheter and the number of attempts.
A recent study published in BMC Evolutionary Biology found that lemurs with strikingly different coat colors are genetically related and belong to the same species. The research analyzed mitochondrial genes from 70 mouse lemurs, showing they all belong to Microcebus griseorufus, regardless of their geographical location.
In ICU, multiple organ failure is the main cause of death, with central nervous system and cardiovascular failures being significant risk factors. In hospitals after ICU discharge, malignant tumors and exacerbation of cardiovascular disease are leading causes of death.
A study in fruit flies reveals how genes respond to alcohol, offering insights into human susceptibility to abuse. The researchers found that exposure to alcohol modifies the expression of many genes in flies, some of which are also present in humans.
A large study published in Environmental Health journal reveals that IBM factory workers in the US are more likely to die from cancer than the general population. The study confirms previous findings and highlights clear health risks for computer factory workers worldwide.
A study published in BMC Biology found that G-CSF protein reduces the size of the affected brain area by a third when injected four hours after a stroke, and restores motor functions in rats. Regular delayed injections of G-CSF starting up to three days after experimental stroke are also effective.
Patients who received social support during and after a major intensive-care intervention showed reduced symptoms of post-traumatic stress disorder (PTSD). Better-perceived social support was associated with improved mental health, including lower levels of anxiety and better quality of life.
Researchers have created antibodies against H5N1 virus, showing complete protection in mice at low doses when administered before infection. Higher doses are required for later administration, with less effective results from a second antibody.
Researchers found that more than half of African American mitochondrial DNA sequences matched multiple sub-Saharan ethnic groups, making it difficult to determine ancestral origins. Only a few percent of the sequences were exact matches to a single African ethnic group's mitochondrial DNA.
A new technique called multi-isotope imaging mass spectrometry (MIMS) allows researchers to image and quantify molecules at a subcellular level. This enables the tracking of individual donor cells after transplantation and the measurement of cancer treatment drug efficacy within cells.
A study published in BMC Health Services Research reveals ethnic disparities in preventive screening procedures are larger when estimated using Medicare claims, with the exception of PSA testing. Despite adjusting for various factors, minorities tend to report higher rates of receiving preventive procedures without a submitted claim.
A large study found that patients with IBS are 60% more likely to suffer from depression, migraine, or chronic pain compared to those without IBS. Individuals with IBS were also 40% more likely to experience depression and 60% more likely to suffer from migraine.
A study published in Critical Care reveals that diabetes triples the risk of developing critical illness and dying young compared to non-diabetic individuals. Obesity without diabetes does not significantly increase the risk of critical illness or mortality.
Researchers predict that climate change will reduce cyclamen's ideal climate range by over 60% within the next 50 years, putting many species at high risk of extinction. Mathematical modeling indicates that the plant may disappear from certain regions by the 2050s.
Low-dose aspirin treatment may cause an extra case of gastrointestinal complications, such as ulcer bleeding or perforation, in susceptible groups. The authors conclude that for some patients taking aspirin to reduce their risk of heart attack, the risk of gastrointestinal complications might outweigh the cardioprotective effects.
Chemistry Central Journal, a pioneering international open access journal, was unveiled at the American Chemical Society meeting in San Francisco. The journal aims to publish research in all areas of chemistry, with a focus on discipline-specific sections.
A Swedish study found that pensioners who received regular home visits from health professionals had a mortality rate nearly half that of those without visits. The mortality rate increased after the visits ended.
A core needle biopsy sample gives a representative picture of gene expression in the entire tumor, according to a new study. The results show that biopsy samples have identical gene expression levels as surgical samples, but with four specific genes modified by the biopsy procedure.
A study published in BMC Public Health found that drug users who were coerced into treatment had a higher risk of dropping out. The proportion of individuals who completed treatment decreased from 5.8% to 3.5% between 1998 and 2002, while the number of re-presentations increased by 48.6%
A study reveals that marijuana arrests shifted from rich areas to poor black and Hispanic neighborhoods in NYC between 1992 and 2003. The authors suggest issuing desk appearance tickets or asking smokers to stop instead of arresting individuals.
A recent study published in Arthritis Research & Therapy reveals a strong genetic link between hereditary knee bone marrow lesions and osteoarthritis. The research, conducted on 115 siblings from 48 families, found that the prevalence of these lesions was significantly influenced by genetics.
Researchers analyzed the mechanism controlling body size in Manduca sexta and found that it is influenced by genetic and environmental factors. The study suggests that a balance between growth rate and developmental time determines optimal body size.
Patients with highly resistant Pseudomonas aeruginosa are twice as likely to die from hospital-acquired pneumonia. Inappropriate antibiotic treatments contribute to higher mortality rates.
Dr. Joe Sodroski, a renowned HIV researcher, received the 2006 Retrovirology Prize for his significant contributions to understanding HIV infection and disease. He made key discoveries about how HIV infects cells and causes disease, including identifying the Rev gene and producing the first X-ray structure of gp120.
Acquired susceptibility plays a crucial role in disease development, with environmental and genetic factors contributing to its acquisition. The study highlights the importance of understanding the interplay between these factors to develop effective prevention strategies.
Inhibiting ERK1 enhances ERK2 activity, promoting cell proliferation, while ERK2 knockdown almost completely abolishes it. Mouse tumour cells expressing only ERK1 grow into small tumours.
A mathematical model predicts that IVF treatment is more efficient and likely to result in pregnancy after the first trial. Offering IVF first is more cost-effective than offering IUI alone or followed by IVF if IUI fails, saving £174,200 for an additional 54 couples.
In a study by Udo Groeger and Lutz Wiegrebe, vampire bats were taught to associate different human breathing patterns with cattle blood dispensers. The bats demonstrated the ability to recognize clips of humans breathing at rest and during physical strain, while human participants struggled to do so.
A comprehensive literature-derived database of yeast interactions has been created, containing over 22,000 protein interactions and 11,000 genetic interactions. The database is publicly available and enables researchers to gain further insight into individual gene functions and biological network features in yeast.
Researchers found no link between a fatty diet and an increased risk of skin cancer. In fact, patients who had previously been diagnosed with a skin cancer other than melanoma even had a lower risk of getting a further non-melanoma skin cancer if they reported consuming more fat.
Researchers have discovered a protein complex that regulates axon growth and development in the nematode worm Caenorhabditis elegans. The complex, composed of UNC-69 and UNC-76 proteins, plays a crucial role in maintaining normal presynaptic organization and regulating vesicle trafficking.
Researchers identified 37 HIV-1 protein fragments that triggered an immune response in cytotoxic T lymphocytes. Healthy donors responded with large quantities of interferon gamma, while infected patients showed only a small proportion of cells mounting an adequate response.
A recent study using diffusion tensor imaging found no significant differences in brain integrity and volume between cannabis smokers and non-smokers. The findings suggest that moderate cannabis use may not have a direct impact on brain structure and integrity, but more research is needed to confirm these results.
Researchers found that in mice, proteins Rb and p107 compensate for each other in retinal progenitor cells, preventing deregulated proliferation that leads to retinoblastoma. In contrast, humans lack these compensatory mechanisms due to the main protein RB1, leading to retinoblastoma.
A clinical decision support tool improved doctors' diagnostic accuracy by 12.5% and reduced errors of omission by 10%, suggesting its potential to reduce preventable medical errors.
Researchers developed a new type of stem cell that can repair spinal cord injuries by promoting nerve fiber growth and suppressing scar tissue. The transplanted cells restored function in rats with spinal cord injuries, allowing them to walk normally within two weeks.
A survey of healthcare staff in the US found that over 40% would be unlikely to report to work during a flu pandemic, while 66% feared putting themselves at risk. The study also showed that many felt the need for additional training to prepare for such an event.
Researchers found that high-dose CRF injections triggered intense bursts of sugar craving in response to a cue, but low doses or no injection had minimal effect. The study suggests a potential link between stress and binge behavior.
The malaria parasite affects antigen-presenting dendritic cells in mice, reducing their ability to activate helper T cells and produce cytokines. This impairment leads to the failure of B-cell activation and antibody production, compromising the immune system's response to infection.
A study found that Japanese encephalitis is prevalent in Bali, particularly among children under 10 years old. The annual incidence rate for this age group was 8.2 per 100,000, resulting in nine deaths and 31 cases of serious neurological disability.