BACKGROUND Deep neuromuscular blockade (NMB) may reduce muscle injury and related inflammation. The inflammation is one of the pathophysiological processes of peri-operative complications. OBJECTIVE To compare the degree of inflammation and related postoperative complications including postoperative delirium (POD) and peri-operative bleeding according to the degree of NMB during general anaesthesia for total hip replacement. DESIGN A prospective, single-blind, randomised controlled trial. SETTING Tertiary, university hospital, single centre. PATIENTS Eighty-two patients undergoing total hip replacement surgery were included in the final analysis. INTERVENTIONS Moderate (Mod) and deep (Deep) NMB groups. MAIN OUTCOME MEASURES The changes in inflammatory cytokines were measured. The incidence of POD was evaluated by using confusion assessment method (CAM). The differences of postoperative bleeding and peri-operative oxygenation in both groups were also measured. RESULTS The NMB reversal duration was significantly longer in the Mod NMB group than in the Deep NMB group. Changes in interleukin-6 were significantly smaller in the Deep NMB group than in the Mod NMB group (P < 0.001). The incidence of POD was not significantly different between groups (34 versus 17% in Mod and Deep NMB groups, respectively; P = 0.129). The amount of postoperative bleeding until postoperative day 2 was significantly greater in the Mod NMB group than in the Deep NMB group (P = 0.027). CONCLUSION Our findings suggest that inflammation related to peri-operative complications could be associated with the depth of NMB during total hip replacement. However, the incidence of POD might not be associated to the depth of NMB. TRIAL REGISTRATION National Library of Medicine (NLM) at the National Institutes of Health (NIH) of United States. (Identifier: NCT02507609). Online address: http://clinicaltrials.gov
ObjectiveThe present study compared cancer-related fatigue (CRF) and chronic fatigue syndrome (CFS) using multidimensional measurements with the aim of better understanding characteristics and exploring markers of two similar fatigue syndromes. MethodsTwenty-five patients with CRF and twenty patients with CFS completed questionnaires, including the Fatigue Severity Scale (FSS), Hospital Anxiety Depression Scale (HADS), Perceived Stress Scale (PSS), and Pittsburgh Sleep Quality Index (PSQI). Additionally, levels of high sensitivity C-reactive protein (hs-CRP), heart rate variability (HRV), and electroencephalography (EEG) were obtained. Neurocognitive functioning was also evaluated. ResultsBoth groups showed comparable levels of psychological variables, including fatigue. Compared to CFS subjects, CRF patients had significantly higher hs-CRP levels and a reduced HRV-index. The within-group analyses revealed that the FSS score of the CRF group was significantly related to scores on the HADS-anxiety, HADS-depression, and PSQI scales. In the CFS group, FSS scores were significantly associated with scores on the PSS and the absolute delta, theta, and alpha powers in frontal EEG. Conclusion Findings indicate that different pathophysiological mechanisms underlie CFS and CRF. Inflammatory marker and HRV may be potential biomarkers for distinguishing two fatigue syndromes and frontal EEG parameters may be quantitative biomarkers for CFS.
Background and ObjectiveaaThe purpose of this study, was to investigate the effects of low-frequency transcutaneous electric nerve stimulation (TENS) on chronic insomnia. Treatment options in patients with chronic insomnia are limited to medications, and cognitive behavioral therapy. MethodsaaFifty-four chronic insomniacs received TENS with low-frequency, applied on trapeziums muscles for at least 30 minutes to 1 hour before sleeping, more than 5 days weekly, for 4 weeks.
Agoraphobia is frequently accompanied by panic disorder and causes considerable suffering. The aim of this study was to compare clinical features and treatment courses between patients with and without agoraphobia in panic disorder. In this retrospective study, 87 patients with panic disorder were divided into two groups depending on the presence of agoraphobia: patients with agoraphobia (PDA, n = 41) and patients without agoraphobia (PD, n = 46). Agoraphobia subscale score of the Albany Panic and Phobia Questionnaire was used to identify correlations between agoraphobia and panic and affective symptoms. The PDA group showed more severe panic and affective symptoms than the PD group. Patients with PDA were more likely to be younger at the age of onset, take benzodiazepines for longer durations, and be treated with antipsychotics augmentation. Agoraphobia subscale was associated with panic symptoms, depression, anxiety, and the duration of benzodiazepines use. The findings suggest that patients with PDA experienced more severe panic symptoms, more profound psychiatric comorbidity, and worse illness progression than those with PD.
Objective The relationship between benzodiazepine use and cognitive decline in insomnia patients has been reported, but still conflicting. Thus, we tried to determine whether long-term exposure of benzodiazepine might be associated with changes of cognition and electroencephalography (EEG) findings in patients with chronic insomnia.Methods Insomniacs using benzodiazepines (n=29), drug-free insomniacs (n=27), and age- and sex-matched controls (n=28) were recruited. Neurocognitive function tested with Korean version of the Consortium to Establish a Registry for Alzheimer’s Disease Assessment Packet Neuropsychological Assessment Battery, quantitative EEG in awake state, and information of benzodiazepine usage were obtained.Results Drug-free insomniacs reported more severe symptoms than insomniacs using benzodiazepine (p<0.001). Insomniacs using benzodiazepine showed a decrease of executive function in Trail Making Test A than drug-free insomniacs and controls (0.73±0.66 vs. 1.27±0.38 vs. 1.09±0.47, p<0.001) and in categorical fluency than drug-free insomniacs (-0.01±0.99 vs. 1.26±0.97, p=0.002). However, such decrease of executive function was not proportional to daily dose or cumulative dose of benzodiazepine. The EEG was not significantly different between insomniacs using benzodiazepine and drug-free insomniacs, while EEG of insomniacs showed low relative theta power in frontal and parietal regions but high relative beta power in frontal region than that of controls.Conclusion Benzodiazepine users with chronic insomnia showed an impairment of executive function compared to drug-free insomniacs and controls although they showed relatively decreased severity of insomnia symptoms. Chronic insomniacs showed a hyper-arousal manifestation in front-parietal region of brain regardless of benzodiazepine exposure.
Objective We aimed to develop the clinical guideline for headache by the systematic review and synthesis of existing evidence-based guidelines. The purpose of developing the guideline was to improve the appropriateness of diagnosis and treatment of headache disorder, and consequently, to improve patients’ pain control and quality of life. The guideline broadly covers the differential diagnosis and treatment of tension-type headache, migraine, cluster headache, and medication-overuse headache. Methods This is a methodological study based on the ADAPTE methodology, including a systematic review of the literature, quality assessment of the guidelines using the Appraisal of Clinical Guidelines for REsearch & Evaluation II (AGREE II) Instrument, as well as an external review using a Delphi technique. The inclusion criteria for systematic search were as follows: topic-relevant, up-to-date guidelines including evidence from within 5 years, evidence-based guidelines, guidelines written in English or Korean, and guidelines issued by academic institutions or government agencies. Results We selected five guidelines and conducted their quality assessment using the AGREE II Instrument. As a result, one guideline was found to be eligible for adaptation. For 13 key questions, a total of 39 recommendations were proposed with the grading system and revised using the nominal group technique. Conclusion Recommendations should be applied to actual clinical sites to achieve the ultimate goal of this guideline; therefore, follow-up activities, such as monitoring of guideline usage and assessment of applicability of the recommendations, should be performed in the future. Further assessment of the effectiveness of the guideline in Korea is needed.
Background The COVID-19 pandemic poses a major threat to mental health and is associated with an increased risk of suicide. An understanding of suicidal behaviours during the pandemic is necessary for establishing policies to prevent suicides in such social conditions. Aims We aimed to investigate vulnerable individuals and the characteristics of changes in suicidal behaviour during the COVID-19 pandemic. Method We retrospectively reviewed the medical records of patients with suicide attempts who visited the emergency department from February 2019 to January 2021. We analysed the demographic and clinical characteristics, risk factors and rescue factors of patients, and compared the findings between the pre-pandemic and pandemic periods. Results In total, 519 patients were included. During the pre-pandemic and pandemic periods, 303 and 270 patients visited the emergency department after a suicide attempt, respectively. The proportion of suicide attempts by women (60.1% v. 69.3%, P = 0.035) and patients with a previous psychiatric illness (63.4% v. 72.9%, P = 0.006) increased during the COVID-19 pandemic. In addition, patients’ rescue scores during the pandemic were lower than those during the pre-pandemic period (12 (interquartile range: 11–13) v. 13 (interquartile range: 12–14), P < 0.001). Conclusions Women and people with previous psychiatric illnesses were more vulnerable to suicide attempts during the COVID-19 pandemic. Suicide prevention policies, such as continuous monitoring and staying in touch with vulnerable individuals, are necessary to cope with suicide risk.
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