نتایج جستجو برای: desaturation index
تعداد نتایج: 398855 فیلتر نتایج به سال:
BACKGROUND This study investigated whether early intervention based on additional use of sidestream capnography could reduce the incidence of oxygen desaturation and hypoxic events in patients receiving propofol anesthesia during surgical abortion. MATERIAL/METHODS We recruited 704 ASAI-III female patients, 18-52 years old and scheduled for planned painless surgical abortion, and randomized t...
Patients who arrive at the dental office with a diagnosis of obstructive sleep apnea (OSA) are often managed with a mandibular advancement device (MAD). However, the use of MADs has been associated with temporomandibular joint (TMJ) issues. The authors describe a case report of a 64-year-old male who was treated with a novel, maxillary oral appliance. The baseline sleep study indicated an apnea...
The postoperative period after major abdominal surgery is known to be a period of increased episodic oxygen desaturation. In order to assess the risk factors for episodic desaturation, we have studied 29 surgical patients using pulse oximetry during the preoperative night (Npre) when they received benzodiazepine premedication and breathed air, and also during the first three nights after operat...
58 patients who underwent on-pump coronary artery bypass graft surgery were evaluated for changes in regional cerebral oxygen saturation (rSO2) measured by near infrared spectroscopy (NIRS). If rSO2 during the operation fell to more than 20% under the baseline, standardized interventions were undertaken to maintain rSO2. Despite those interventions, in some cases we observed inability to mainta...
OBJECTIVE To determine the submaximal exercise capacity of patients with cystic fibrosis (CF) by means of the 6-minute walk test (6MWT), correlating the results with clinical score, nutritional status, radiographic score, and pulmonary function tests. METHODS This was a prospective, cross-sectional study involving patients aged 16 or older enrolled in a program for adults with CF. The patient...
In a group of 37 heavy snorers with obstructive sleep apnoea (OSA, Group 1) and a group of 23 heavy snorers without OSA (Group 2) cephalometric indices, ENT indices related to upper airway collapsibility, and nocturnal O2 desaturation indices were related to variables from maximal expiratory and inspiratory flow-volume (MEFV and MIFV) curves. The cephalometric indices used were the length and d...
BACKGROUND Portable devices are used for unattended recording of patients with suspected obstructive sleep apnea syndrome (OSAS). The MESAM 4 (MAP; Martinsried, Germany) is a computerized ambulatory polysomnographic system that records four parameters: breathing noise, heart rate, arterial oxygen saturation (SaO(2)), and body position. DESIGN AND METHOD We evaluated the reliability of the oxy...
The risk of cardiovascular complications is increased in patients with obstructive sleep apnea (OSA). Continuous positive airway pressure (CPAP) is the most effective way to treat clinically significant OSA. We hypothesized that the concentrations of the cardiac risk markers N-terminal brain natriuretic peptide (NT-proBNP) and high-sensitive troponin T (hs-TropT) correlate with the effectivenes...
OBJECTIVE The number of desaturations determined in recordings of pulse oximeter saturation (SpO2) primarily depends on the time over which values are averaged. As the averaging time in pulse oximeters is not standardized, it varies considerably between centers. To make SpO2 data comparable, it is thus desirable to have a formula that allows conversion between desaturation rates obtained using ...
BACKGROUND The regional cerebral oxygen saturation (rSO(2)) decreases significantly during ordinary anesthetic recovery in pediatric patients anesthetized with sevoflurane or desflurane. The present study examined the relationship between rSO(2) and the clinical parameters associated with the degree of anesthetic recovery. METHODS Twelve pediatric patients with American Society of Anesthesiol...
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