The effect of oral appliances that advanced the mandible forward and limited mouth opening in patients with obstructive sleep apnea: A systematic review and meta‐analysis of randomised controlled trials

Oral appliances (OAs) have demonstrated efficacy in treating obstructive sleep apnea (OSA), but many different OA devices are available. The Japanese Academy of Dental Sleep Medicine supported the use of OAs that advanced the mandible forward and limited mouth opening and suggested an evaluation of their effects in comparison with untreated or CPAP. A systematic search was undertaken in 16 April 2012. The outcome measures of interest were as follows: Apnea Hypopnea Index (AHI), lowest SpO₂, arousal index, Epworth Sleepiness Scale (ESS), the SF‐36 Health Survey. We performed this meta‐analysis using the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) system. Five studies remained eligible after applying the exclusion criteria. Comparing OA and control appliance, OA significantly reduced the weighted mean difference (WMD) in both AHI and the arousal index (favouring OA, AHI: ?7·05 events h^?1; 95% CI, ?12·07 to ?2·03; P = 0·006, arousal index: ?6·95 events h^?1; 95% CI, ?11·75 to ?2·15; P = 0·005). OAs were significantly less effective at reducing the WMD in AHI and improving lowest SpO₂ and SF‐36 than CPAP, (favouring OA, AHI: 6·11 events h^?1; 95% CI, 3·24 to 8·98; P = 0·0001, lowest SpO₂: ?2·52%; 95% CI, ?4·81 to ?0·23; P = 0·03, SF‐36: ?1·80; 95% CI, ?3·17 to ?042; P = 0·01). Apnea Hypopnea Index and arousal index were significantly improved by OA relative to the untreated disease. Apnea Hypopnea Index, lowest SpO₂ and SF‐36 were significantly better with CPAP than with OA. The results of this study suggested that OAs improve OSA compared with untreated. CPAP appears to be more effective in improving OSA than OAs.     

前列腺素E联合连续肾替代治疗对脓毒症合并急性肾损伤预后的影响

目的：探讨前列腺素E联合连续肾替代治疗（CRRT）对脓毒症合并急性肾损伤（AKI）患者预后的影响。方法：选取89例脓毒症合并AKI患者为研究对象，采用随机数字表法分为对照组（n=44）和观察组（n=45），分别采取CRRT及前列腺素E联合CRRT治疗。比较2组患者预后转归情况，检测并比较2组患者治疗前后血清炎性因子、肾功能及免疫功能指标。结果：观察组ICU治疗时间及住院时间较对照组明显缩短（P<0.05）；对照组死亡14例（31.82%），观察组死亡9例（20.00%），2组患者死亡率无明显差异（P>0.05）。与治疗前比较，治疗后2组血清TNF-α、IL-6、hs-CRP含量降低，BUN、SCr含量升高（P<0.05），且观察组上述指标均低于对照组（P<0.05）。与治疗前比较，治疗后2组CD4⁺/CD8⁺及观察组NK细胞比例及IgG、IgA、IgM含量均明显升高（P<0.05），且观察组高于对照组（P<0.05）。与治疗前比较，治疗后2组Marshall评分、APACHEⅡ评分下降（P<0.05），且观察组低于对照组（P<0.05）。结论：前列腺素E联合CRRT治疗脓毒症合并AKI可显著降低患者炎性因子水平，改善患者肾功能和免疫功能，效果优于单独CRRT治疗。     

Validation of diffuse correlation spectroscopy against 15O-water PET for regional cerebral blood flow measurement in neonatal piglets

Diffuse correlation spectroscopy (DCS) can non-invasively and continuously asses regional cerebral blood flow (rCBF) at the cot-side by measuring a blood flow index (BFI) in non-traditional units of cm²/s. We have validated DCS against positron emission tomography using ¹⁵O-labeled water (¹⁵O-water PET) in a piglet model allowing us to derive a conversion formula for BFI to rCBF in conventional units (ml/100g/min). Neonatal piglets were continuously monitored by the BabyLux device integrating DCS and time resolved near infrared spectroscopy (TRS) while acquiring ¹⁵O-water PET scans at baseline, after injection of acetazolamide and during induced hypoxic episodes. BFI by DCS was highly correlated with rCBF (R = 0.94, p < 0.001) by PET. A scaling factor of 0.89 (limits of agreement for individual measurement: 0.56, 1.39)×10⁹× (ml/100g/min)/(cm²/s) was used to derive baseline rCBF from baseline BFI measurements of another group of piglets and of healthy newborn infants showing an agreement with expected values. These results pave the way towards non-invasive, cot-side absolute CBF measurements by DCS on neonates.     

超声引导PVNB对老年食道癌开胸患者术后镇痛、应激及炎性因子水平的影响

目的 探讨超声引导下连续椎旁神经阻滞(PVNB)对老年食道癌开胸手术患者术后镇痛、应激及炎性因子水平的影响。方法 选取我院拟实施全麻下开胸手术的90例食道癌开胸手术患者作为研究对象,其中45例患者术前采用超声引导下PVNB麻醉复合全身麻醉(PVNB组)、对照组45例患者采用全身麻醉；两组患者术后均采用静脉自控镇痛(对照组)；对比两组患者术后2h、6h、24h及48h静息状态、咳嗽状态下的视觉模拟疼痛评分(VAS),术后镇痛药物用量及镇痛药物不良反应发生情况,术前及术后24h血清去甲肾上腺素(NE)、肾上腺素(E)、皮质醇(Cor)、白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)差异及术后肺部感染发生情况。结果 PVNB组患者和对照组在术后2h～术后48h的静息VAS评分及咳嗽VAS评分组间比较,差异具有统计学意义(P<0.05),PVNB组术后2h、6h及24h静息VAS评分及咳嗽VAS评分均高于对照组(P>0.05)。PVNB组患者术后的镇痛泵按压次数、舒芬太尼用量均低于对照组(P<0.05),PVNB组患者术后的镇痛泵按压次数、舒芬太尼用量均低于对照组(P<0.05),术前两组患者的血清NE、E、Cor水平差异无统计学意义(P>0.05)；术后两24h两组患者血清NE、E、Cor水平均较术前增高(P>0.05),术后24h PVNB组的血清NE、E、Cor水平低于对照组(P<0.05),术前两组患者的血清IL-6、TNF-α水平差异无统计学意义(P>0.05)；术后24h两组患者血清IL-6、IL-10、TNF-α水平均较术前增高(P<0.05),PVNB组的血清IL-6、TNF-α水平低于对照组(P<0.05),PVNB组术后发生肺部感染2例,发生率为4.4%,对照组术后发生肺部感染6例,发生率为13.3%,PVNB组术后肺部感染发生率低于对照组(P<0.05)。结论 超声引导下PVNB能够改善老年食道癌开胸患者术后镇痛效果,减轻手术创伤所致的应激反应,较少患者术后肺部感染的发生。     

Long-term effects of concussion on relevancy-based modulation of somatosensory-evoked potentials

ObjectiveThe purpose of this investigation was to better understand the effects of concussions on the ability to selectively up or down-regulate incoming somatosensory information based on relevance.MethodsMedian nerve somatosensory-evoked potentials (SEPs) were elicited from electrical stimulation and recorded from scalp electrodes while participants completed tasks that altered the relevance of specific somatosensory information being conveyed along the stimulated nerve.ResultsWithin the control group, SEP amplitudes for task-relevant somatosensory information were significantly greater than for non-relevant somatosensory information at the earliest cortical processing potentials (N20-P27). Alternatively, the concussion history group showed similar SEP amplitudes for all conditions at early processing potentials, however a pattern similar to controls emerged later in the processing stream (P100) where both movement-related gating and facilitation of task-relevant information were present.ConclusionsPreviously concussed participants demonstrated impairments in the ability to up-regulate relevant somatosensory information at early processing stages. These effects appear to be chronic, as this pattern was observed on average several years after participants’ most recent concussion.SignificanceGiven the role of the prefrontal cortex in relevancy-based facilitation during movement-related gating, these findings lend support to the notion that this brain area may be particularly vulnerable to concussive forces.     

The impact of dusk phenomenon on total glucose exposure in Chinese people with type 2 diabetes

This study was aimed at assessing the impact of the dusk phenomenon on the total glucose exposure in Chinese people with type 2 diabetes.A total of 380 type 2 diabetes who received a retrospective continuous glucose monitoring system (CGMs) for 72 hours were enrolled in our study, 32 of them failed in CGMs. The patients were first divided into 2 groups: dusk phenomenon (n = 95) and non dusk phenomenon group (n = 253). The magnitude of the dusk phenomenon (δDusk) was quantified by pre-dinner glucose minus post-lunch 2 hours glucose. A persistent δDusk ≥ 0 or a once only δDusk < 0 can be diagnosed with the dusk phenomenon. The participants were secondarily matched for the post-lunch 2 hours glucose to assess the impact of the dusk phenomenon on the overall glucose exposure. The impact of the dusk phenomenon was assessed on high-performance liquid chromatography assay (HbA1c) and 24-hour mean glucose.There were 95 of 348 (27.3%) participants with the dusk phenomenon in the overall population, and the median of δDusk level was –0.8 (–1.8, 0.2) mmol/L. The median of glucose differences between the 2 paired groups were 0.4 (–0.4, 1.0)% for HbA_1c, 0.9 (0.2, 1.4) mmol/L for 24 hours mean glucose. The correlation analysis showed no relationship between the magnitude of dawn phenomenon and the dusk phenomenon (r = 0.052, P = .472).The incidence of dusk phenomenon is about 27.3% in people with type 2 diabetes. The impacts of dusk phenomenon on HbA1c and 24-hour mean glucose were about 0.4% and 0.9 mmol/L and the dusk phenomenon was not related with the dawn phenomenon.     

需求满足式护理对提高胸外科机械通气患者微量泵持续气道湿化效果及舒适度的研究

目的研究需求满足式护理对提高胸外科机械通气患者微量泵持续气道湿化效果及舒适度的价值。方法将纳入本院胸外科机械通气使用微量泵持续气道湿化210例患者作为研究对象,按就诊顺序分为观察组和对照组各105例,对照组患者实施唱歌机械通气护理,观察组患者增加了需求满足式护理。对比2组患者的气道湿化情况、舒适度以及满意度情况。结果观察组患者的并发症发生率、日吸痰次数与日湿化液滴入量分别为6.67%、(2.68±1.27)次/d、(185.73±56.89)mL/d,均优于对照组的17.14%、(5.41±2.17)次/d、(113.56±43.75)mL/d,差异有统计学意义(P<0.05);观察组患者的舒适度与满意度评分分别为(8.73±0.25)分、(8.86±0.37)分,均优于对照组的(8.42±0.27)分、(8.45±0.34)分,差异有统计学意义(P<0.05)。结论使用需求满足式护理可优化胸外科机械通气患者微量泵持续气道湿化的舒适度与湿化效果。     

Opioid-Sparing Analgesia and Enhanced Recovery After Total Knee Arthroplasty Using Combined Triple Nerve Blocks With Local Infiltration Analgesia

Background

Peripheral nerve block and local infiltration analgesia (LIA) have an increasing role as part of multimodal analgesia for enhanced recovery after total knee arthroplasty (TKA). We hypothesized that the combination of obturator nerve block (ONB) and tibial nerve block (TNB) would reduce pain and opioid consumption more than ONB or TNB alone when combined with continuous adductor canal block and LIA.

Cardiac Implantable Electronic Devices in Patients With Left Ventricular Assist Systems

Recent progress and evolution in device engineering, surgical implantation practices, and periprocedural management have advanced the promise of durable support with left ventricular assist systems (LVAS) in patients with stage D heart failure. With greater uptake of LVAS globally, a growing population of LVAS recipients have pre-existing cardiac implantable electronic devices (CIEDs). Strategies for optimal clinical management of CIEDs in patients with durable LVAS are evolving, and clinicians will increasingly face complex decisions regarding implantation, programming, deactivation, and removal of CIEDs. Traditional decision-making pathways for CIEDs may not apply to LVAS-supported patients, as few patients die of arrhythmic causes and many arrhythmias may be well tolerated. Given limited data, treatment decisions must be individualized and made collaboratively among electrophysiologists, advanced heart failure specialists, and patients and their caregivers. Large, prospective, well-conducted studies are needed to better understand the contemporary utility of CIEDs in patients with newer-generation LVAS.