Background:Positional change affects the cuff pressure of an endotracheal tube (ETT) in treacheally intubated patients. We compared the cuff pressure of a TaperGuard ETT and a cylindrical ETT after lateral rotation of head during middle ear surgery.Methods:Fifty-two patients aged 18–70 years underwent a tympanomastoidectomy under general anesthesia were randomly allocated to receive endotracheal intubation with cylindrical (group C, n = 26) or TaperGuard ETTs (group T, n = 26). After endotracheal intubation, the ETT cuff pressure was set at 22 cmH2O in the neutral position of head. After lateral rotation of head, the cuff pressure was measured again and readjusted to 22 cmH2O. In addition, the change of distance from the carina to the tip of the ETT was measured before and after the positional change. The incidence of cough, sore throat, and hoarseness was assessed at 30 minutes, 6 hours, and 24 hours after surgery.Results:There was no difference in demographic data between groups. After lateral rotation of head, the cuff pressure significantly increased in group T (11.9 ± 2.3 cmH2O) compared with group C (6.0 ± 1.9 cmH2O) (P < 0.001). The incidence of a cuff pressure >30 cmH2O was higher in group T (96.2%) than in group C (30.8%) (P < 0.001). In addition, the degree of displacement of an ETT was greater in group T (11.0 ± 1.7 mm) than in group C (7.2 ± 2.6 mm) (P < 0.001). The overall incidences of postoperative sore throat, hoarseness, and cough at 30 minutes, 6 hours, and 24 hours after surgery were comparable between two groups.Conclusion:The cuff pressure was higher in the TaperGuard ETT than in the cylindrical ETT after positional change of head from neutral to lateral rotation. In addition, after a positional change, the extent of displacement of ETT was greater in the TaperGuard ETT than in the cylindrical ETT.
ObjectiveTo investigate how differences in oxygen saturation between non-REM (NREM) and REM sleep in patients according to the severity of sleep apnea.MethodsWe studied 396 male patients diagnosed with simple snoring or obstructive sleep apnea syndrome (OSAS) on nocturnal polysomnography. Patients were divided into groups by the OSAS severity. We compared the average oxygen saturation between REM and NREM sleep in each group.ResultsIn the simple snoring group, average oxygen saturation was significantly greater during REM than during NREM sleep. In the severe OSA group alone, average oxygen saturation was greater in NREM than in REM sleep. The difference of NREM-REM average oxygen saturation correlated significantly with AHI in the severe OSA group.ConclusionMore severe hypoxemia was seen in REM than NREM sleep in the severe OSAS group. The differential oxygen decrease between REM and NREM sleep is likely due to the differentially occurring sleep breathing events in each sleep stage according to the SDB severity. The more AHI increases in the severe OSAS patients, the more prominent the hypoxemia of REM sleep compared with NREM sleep is likely to appear. This suggests that the pressure of continuous positive airway pressure should be increased to control the hypoxemia of REM sleep in extremely severe OSAS.
Objective A defense mechanism is an automatic psychological process necessary for successful adaptation. It reflects adaptive capacity. The purpose of this study is to explore the relationship between the adaptation ability of individuals who face mandatory military service and the pattern of defense mechanisms. Methods The subjects were 69 men (21.4±2.2 years) who expressed psychological difficulties in three military service situations. Control group was 36 men (24.0±1.4 years) who had successfully completed military service. We examined psychiatric history, the pattern of defense mechanisms, and depression and anxiety levels. Defense mechanisms were compared between two groups. Results The maladjusted group used immature defenses more frequently than the control group did. There were no differences in the defense patterns according to diagnosis. The control group used more identification and rationalization, classified as immature defenses. The temporarily maladjusted group used more somatization, regression, and avoidance. Conclusion Using mature defense mechanisms helped young adults to adapt to a particular situation. The maturity of the defense is more valuable than the psychiatric diagnosis. Some immature defenses are also helpful to adapt. We cautiously assume that some defenses can be protective or risk factors in adapting to stressful situations by young adults.
An anaphylactic reaction during general anesthesia may cause fatal complications. Perioperative anaphylaxis can occur in response to different medications. To our knowledge, pyridostigmine or combination of pyridostigmine with glycopyrrolate-induced anaphylactic reaction during general anesthesia has not been reported. We report a case of a suspected anaphylactic reaction to these drugs. To reduce the risk of complicated perioperative anaphylactic events, prompt assessment and treatment are needed. Moreover, any undesirable exposure to confirmed allergens should be avoided as part of secondary prevention.
Background and Aims:Prejudice and negative attitudes toward mental illness are major obstacles in the rehabilitation and functional recovery of patients. The objective of this study was to evaluate the attitudes of health-related personnel toward mentally ill patients in a local urban community in South Korea.Materials and Methods:In total, 401 participants (men, 132; women, 269; mean age, 37.3 ± 9.5 years) were recruited. The participants were health-related personnel in a district of Seoul, who were recruited from three different workplaces: a local administration office, a public health center, and a community welfare center. Sociodemographic data were gathered, and the community attitudes toward the mentally ill (CAMI) inventory were administered. Comparisons of the CAMI subscales were conducted among participants using statistical analysis.Results:Community welfare center workers showed more authoritarianism and social restriction and less community mental health ideology than the other two groups. Among the demographic variables, a shorter working career, higher education, female gender, and younger age were also related to a more negative attitude toward mentally ill patients.Conclusion:Community health-related personnel who have contact with patients with mental illness should be encouraged to have a fair, hospitable, and open-minded attitude. It is advisable for these workers to receive interventions such as regular educational programs early in their careers.
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