نتایج جستجو برای: diaphragmatic activity
تعداد نتایج: 1142347 فیلتر نتایج به سال:
Practice of yoga based relaxation techniques has been associated with various physiological changes in our body. The long term practice of these techniques has been reported to improve the pulmonary functions. However, the study on effects of short term diaphragmatic breathing on lung functions is yet lacking. Therefore, the present analytical study was conducted to find the changes in pulmonar...
Diaphragmatic injuries are relatively rare, and they are the result of penetrating or blunt trauma. Blunt diaphragmatic rupture occurs mainly from high-speed motor vehicle crashes. Sudden increase in intra-abdominal pressure may cause a diaphragmatic tear and visceral herniation. The magnitude of the pressure load on the inflexible central tendon by rapid deceleration may cause such catastrophi...
Diaphragmatic flutter is a rarely reported disorder in which the diaphragm involuntarily contracts at a rapid rate. We report a unique case in which diaphragmatic flutter was associated with inspiratory stridor and was severely disabling. A new approach to the treatment of this condition, phrenic nerve crush, provided an optimal outcome, with resolution of symptoms and the return of normal diap...
Autonomic control of ventilation is impaired in patients with Ondine's curse or congenital central hypoventilation syndrome (CCHS), but voluntary control remains intact. Bradyarrhythmias can be life threatening. In a patient with CCHS and long sinus pause requiring cardiac pacemaker insertion, a diaphragmatic pacemaker inserted in early childhood caused diaphragmatic pacer spikes observed durin...
We investigated whether an increase in transcutaneous electromyographic (EMG) activity of the diaphragm and intercostal muscles corresponds with the concentration of histamine that induces a 20% fall in the forced expiratory volume in one second (FEV1; PC20). Eleven asthmatic children (mean age 11.9 yr) were studied after they were given histamine challenge. EMG activity at PC20 or at the highe...
The antioxidant N-acetylcysteine (NAC) prevented sepsis-induced diaphragmatic dysfunction. As an indirect antioxidant NAC was shown to induce superoxide dismutase (SOD) activity in immune cells from endotoxaemic mice. The aim of this study was to assess whether NAC acts as an indirect antioxidant by inducing manganese (Mn)-SOD activity in the diaphragms of endotoxaemic rats, while preventing mu...
A 26 week gestation infant had an increasingly elevated right hemidiaphragm following drainage of bilateral pleural effusions and failed extubation on numerous occasions. Electric stimulation of the phrenic nerves revealed absent activity on the right, indicating phrenic nerve injury from chest tube drain insertion. Diaphragmatic plication was performed and the infant successfully extubated fou...
The diaphragm is the primary muscle of respiration, and its weakness can lead to respiratory failure. Diaphragmatic palsy can be caused by various causes. Injury to the phrenic nerve during thoracic surgeries is the most common cause for diaphragmatic palsy. Depending on the cause, the symptoms of diaphragmatic palsies vary from completely asymptomatic to disabling dyspnea requiring mechanical ...
BACKGROUND AND PURPOSE Infants with congenital diaphragmatic hernia are reported to have evidence of brain MR imaging abnormalities. Our study aimed to identify perinatal clinical factors in infants with congenital diaphragmatic hernia that are associated with evidence of brain injury on MR imaging performed before hospital discharge. MATERIALS AND METHODS MRIs performed before hospital disch...
UNLABELLED A fatal complication of an incarcerated diaphragmatic hernia: pyo-pneumopericardium due to a gastro-pericardial fistula, case report and literature review INTRODUCTION The pyo-pneumopericardium is a very rare complication of an incarcerated diaphragmatic hernia. Usually, it depends on the existence of a gastropericardial fistula and, in most cases, it is a deadly complication. CA...
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