Articles tagged with Diaphragm
Researchers found that smoking substantially stiffens human lung parenchyma, making breathing progressively difficult. The study provides detailed mechanical data for human lungs, which may improve ventilator design and surgical planning tools.
Researchers developed a wearable ultrasound device that tracks muscle function without invasive procedures, offering high-resolution imaging and wireless monitoring capabilities. The technology has potential applications in respiratory health and human-machine interfaces.
ICU patients with contractile weakness of the diaphragm due to mechanical ventilation develop a state of hibernation, where myosin protein is trapped in an energy-saving state. This compromises diaphragm strength and independent breathing, leading to difficulties in weaning from the ventilator. Researchers have found a potential lead f...
Mitochondrial fragmentation is a key mechanism underlying ventilator-induced diaphragm dysfunction (VIDD), leading to excessive reactive oxygen species production and calcium homeostasis impairment. Blocking mitochondrial fission at the initiation of mechanical ventilation with a molecule like P110 could potentially prevent VIDD.
The American Foregut Society has proposed a new classification system to assess esophagogastric junction (EGJ) integrity, expanding beyond the Hill grade. The new classification takes into account EGJ disruption and hiatus hernia extent, providing a more comprehensive understanding of GERD.
A recent study reveals that 91% of athletes display dysfunctional breathing patterns, which can lead to increased risk of musculoskeletal injuries. The study emphasizes the importance of screening and addressing these patterns through targeted interventions and breathing training protocols.
A highly sensitive wearable sensor can detect early COVID-19 symptoms and monitor heart disease by detecting subtle cardiac and respiratory movements. The device, made of skin-safe material, is small enough to be attached directly to the patient's body.
New research shows that nitrate improves diaphragm function by increasing power, which could help elderly individuals clear lungs more effectively. This finding is significant, especially in the context of COVID-19, as the diaphragm plays a crucial role in breathing and coughing.
A new biohybrid model, developed by Ellen Roche and colleagues, accurately represents the interplay between the abdomen, diaphragm, lungs, and pleural space. The model enables precise tuning of pressure in each part of the system, allowing for the testing of various disease conditions and ventilator options.
Researchers at UCL found that newborn baby hiccups trigger a large wave of brain signals, potentially helping babies learn how to regulate their breathing. The study used brain scans to record EEG activity in 13 newborn infants with hiccups, finding that the contractions evoked a pronounced response in the brain's cortex.
Researchers discovered two sets of neural signals control diaphragm movement, one in the brain and one in the spinal cord. They used a drug to activate this alternative pathway, restoring breath-like movements in rodents.
Researchers at University of Guelph have found a hormonal imbalance in the brain causes breathlessness in heart failure patients. Using existing hormone-suppressing drugs, they were able to effectively treat this condition and improve patients' quality of life.
Researchers found evidence of a diaphragm-like structure in early pelycosaurs, dating back over 300 million years. This discovery challenges previous assumptions about the evolution of respiratory systems and warm-bloodedness.
Researchers at Karolinska Institutet have successfully engineered new diaphragm tissue in rats using stem cells and 3D scaffolds, which can regrow with the same complex mechanical properties as natural diaphragm muscle. The technique offers hope for a cure for congenital diaphragm malformations and possible future heart muscle repairs.
Researchers at the University of Missouri found that diaphragm muscle cells and limb skeletal muscle cells respond differently to exercise training in diabetic rats. This discovery could influence future research on respiratory failure in individuals with diabetes.
Physicists at UC Berkeley have created lightweight ultrasonic loudspeakers and microphones using graphene, allowing humans to communicate and gauge distance like bats and dolphins. The devices offer improved fidelity and efficiency compared to traditional ultrasound or sonar methods.
Researchers discovered that genetic mutations affect the development of the diaphragm by altering the expression of the Gata4 gene, leading to a defective diaphragm and the herniation of organs. The study's findings offer new hope for the prevention and treatment of congenital diaphragmatic hernia.
Researchers found that in muscular dystrophy, abdominal muscles take over more of the respiratory function as diaphragm muscle damage progresses. This study highlights the importance of supporting cardiopulmonary function in neuromuscular disease.
The new transmission enables robot arms to be light and strong while maintaining precise control. It also allows for 'give' in the limbs, facilitating soft interactions between people and robots.
A new study published in the Journal of Trauma and Acute Care Surgery finds that diaphragm pacing stimulation is effective in weaning patients with spinal cord injuries from mechanical ventilators. The treatment can also bridge patients to independent respiration, allowing them to breathe on their own without assistance.
The UCSF team will use the funding to expand clinical testing of the Smart Diaphragm, a wireless monitoring system that detects early signs of preterm birth. The device aims to prevent or delay preterm labor by tracking microscopic changes in cervical tissue.
The SILCS Diaphragm has been granted regulatory approval and will be launched in six European countries. It is a single-size device that fits most women and does not require a pelvic exam to determine size, making it easier to access and use.
A team of researchers has created a new type of microphone modeled on the sensitive ears of a parasitic fly, achieving better acoustical performance than what is currently available in hearing aids. The design uses a microelectromechanical microphone with active Q control and optical sensing, reducing noise floor by 17 decibels.
Researchers at NYU Langone Medical Center have identified two genes, Hoxa5 and Hoxc5, that establish the neuronal circuits required for breathing. The discovery could advance treatments for spinal cord injuries and neurodegenerative diseases like ALS.
CONRAD will develop and test the safety and effectiveness of a combined contraceptive barrier and HIV-prevention product, supported by a $2 million USAID award. The study aims to provide women with non-hormonal, easy-to-use methods for preventing unintended pregnancy and sexually transmitted infections.
The FDA has approved a diaphragm pacing system to help ALS patients breathe longer without the aid of a ventilator. The system, called NeuRx Diaphragm Pacing System, provides electrical stimulation to the diaphragm muscles and conditions them to delay respiratory failure.
Researchers have found that a heart drug called levosimendan can improve the mechanical efficiency of the diaphragm, suggesting a new therapeutic approach to treat respiratory muscle weakness. The study showed that levosimendan prevents muscle fatigue in respiratory muscles and improves contraction force.
The SILCS Diaphragm, a single-size contoured diaphragm, has shown effectiveness rates similar to traditional diaphragms, and is easy to use and comfortable to wear. This new contraceptive method offers women more control over their reproductive health, particularly in low-resource settings.
Researchers designed a hydrophone that can capture full range of ocean sounds from soft whispers to explosions, accurately at any depth. They achieved this using lasers and mirrors to detect minute movements on the diaphragm, inspired by orca ears' optimized sonar.
The research focuses on designing miniature components called compressors and evaporators, critical for refrigeration systems. The team developed an analytical model and validated it with experimental data, showing that it is feasible to design a prototype system small enough to fit in a laptop.
Researchers found a significant decline in muscle fibers in the diaphragm after just 18 hours of mechanical ventilation. The study's results suggest that intervening in the molecular pathway responsible for muscle wasting could lead to the development of a new pharmacological approach to safely wean patients off ventilators.
A clinical trial involving 5,045 women in South Africa and Zimbabwe found no statistical difference in the rate of new HIV infections between those who used a diaphragm with lubricant and male condoms versus only male condoms. The study found an overall HIV incidence rate of 4.0 percent, with no additional protective benefit from addin...
A study of 5000 African women found that using diaphragms with condoms offered no additional protection against HIV. The researchers noted lower condom use in the diaphragm group, but no significant increase in HIV incidence.
Researchers review developmental and genetic basis of CDH, exploring potential treatments using animal models and examining connections to lung and cardiovascular development. Studies find that TO surgery can stimulate fetal lung growth, while genetic mutations in key pathways contribute to the condition.
A genetic mutation in a kidney structure has been linked to protein leakage into the urine, leading to kidney failure. Researchers found that the glomerular basement membrane normally retains blood proteins, while another structure plays a role in regulating their concentration.
A study by Mayo Clinic researchers found that radical surgery significantly improves five-year survival rates for patients with ovarian cancer and diaphragm disease. The procedure resulted in a 55% survival rate compared to 28% for those who did not undergo surgery.
Researchers discovered a genetic link between a Fog2 gene mutation and small lungs, abnormal diaphragm development, and breathing difficulties in children. The study provides an important genetic starting point for further insight into human disorders.
Researchers argue that female condoms are a vital method of protection against HIV/AIDS but have been dismissed due to cost and esthetics. Advocates need to reposition the product as an empowering way to approach reproductive health, emphasizing its benefits in reducing transmission of AIDS.
A recent study found that coronal reformatted images from 16-MDCT can change overall readings in 83% of cases with ovarian cancer. The study suggests that radiologists should view both axial and coronal images together to accurately stage the disease.
A study of 181 sexually active Zimbabwean women found that diaphragms can be used without a partner's knowledge to prevent HIV transmission. The researchers suggest that this method could provide an additional tool for HIV prevention, particularly for women who do not have access to condoms or other forms of protection.
Researchers found that using a mesh patch for large hiatal hernias results in no recurrence of the condition, marking a significant improvement over traditional surgical methods. This breakthrough study provides new hope for patients with large hiatal hernias, offering an effective and lower-risk treatment option.
The Bill & Melinda Gates Foundation is funding a study at UCSF to test diaphragms as an HIV prevention method. The diaphragm holds promise for preventing HIV transmission, particularly in women, who are disproportionately affected by the disease.
A study in Zimbabwe found that women are willing to use diaphragms as a potential HIV prevention method. Diaphragms may increase the effectiveness of new microbicides designed to prevent HIV acquisition, according to principal investigator Nancy Padian.
A new natural family planning method, the Standard Days Method, is more than 95% effective in preventing pregnancy. This method uses a color-coded bead system called CycleBeads to track ovulation and identify fertile days.
A study using mice found that mutations in the Lmx1b gene cause a reduction in two proteins necessary for mature podocytes to function properly. This disruption leads to immature podocytes and impaired kidney filtering, increasing the risk of kidney problems associated with nail-patella syndrome.
Researchers argue that the cervix is a 'hot spot' for HIV infection and that physical barrier devices like the diaphragm could increase HIV prevention. The diaphragm's ability to block fluid transport may enhance the effectiveness of microbicides in killing HIV on contact.
Researchers found that weakened diaphragm muscles may contribute to sleep apnea in obese individuals, particularly as they age. The study used rats as an animal model and found that diaphragm response was compromised in older obese animals, but not in younger ones.