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ization of such devices relatively straightforward.
The coronavirus disease 2019 (COVID-19) pandemic affected and overwhelmed many health care systems around the world at an unprecedented speed and magnitude with devastating effects. In developing nations, smaller hospitals were unprepared to face this outbreak nor had strategies in place to do so at the beginning. Here, we describe the preparation in an anesthetic department using simulation-based training over 2 weeks, as the number of cases rose rapidly.
Three areas of priority were identified as follows staff safety, patient movement, and possible clinical scenarios based on simulation principles in health care education. Staff was rostered and rotated through stations for rapid-cycle deliberate practice to learn donning and doffing of personal protective equipment (PPE) and powered air-purifying respirator (PAPR). For difficult airway management, Peyton's 4 steps for skills training and Harden's Three Circle model formed the structure in teaching the core skills. Several clinical scenarios used systemrience to address issues of "when" and "how" to initiate urgent "medical education" during an outbreak.The coronavirus disease 2019 (COVID-19) pandemic created an extraordinary demand for N95 and similarly rated filtering facepiece respirators (FFR) that remains unmet due to limited stock, production constraints, and logistics. Interest in decontamination and reuse of FFR, a product class designed for single use in health care settings, has undergone a parallel surge due to shortages. A worthwhile decontamination method must provide effective inactivation of the targeted pathogen(s), and preserve particle filtration, mask fit, and safety for a subsequent user. This discussion reviews the background of the current shortage, classification, structure, and functional aspects of FFR, and potentially effective decontamination methods along with reference websites for those seeking updated information and guidance. The most promising techniques utilize heat, hydrogen peroxide, microwave-generated steam, or ultraviolet light. Many require special or repurposed equipment and a detailed operational roadmap specific to each setting. While limited, research is growing. There is significant variation between models with regard to the ability to withstand decontamination yet remain protective. The number of times an individual respirator can be reused is often limited by its ability to maintain a tight fit after multiple uses rather than by the decontamination method itself. There is no single solution for all settings; each individual or institution must choose according to their need, capability, and available resources. As the current pandemic is expected to continue for months to years, and the possibility of future airborne biologic threats persists, the need for plentiful, effective respiratory protection is stimulating research and innovation.
Whether train-of-four (TOF) monitoring is more effective than clinical monitoring to guide neuromuscular blockade (NMB) in patients with acute respiratory distress syndrome (ARDS) is unclear. We compared clinical monitoring alone or with TOF monitoring to guide atracurium dosage adjustment with respect to drug dose and respiratory parameters.
From 2015 to 2016, we conducted a randomized controlled trial comparing clinical assessments every 2 hours with or without corrugator supercilii TOF monitoring every 4 hours in patients who developed ARDS (Pao2/Fio2 <150 mm Hg) in a cardiothoracic intensive care unit. The primary outcome was the cumulative atracurium dose (mg/kg/h). Secondary outcomes included respiratory parameters during the neuromuscular blockade.
A total of 38 patients in the clinical + TOF (C + TOF) group and 39 patients in the clinical (C) group were included in an intention-to-treat (ITT) analysis. #link# The cumulative atracurium dose was higher in the C + TOF group (1.06 [0.75-1.30] vs 0.65 [0um consumption when compared to clinical assessment alone. TOF monitoring may not be needed in all patients who receive neuromuscular blockade for ARDS.
No evidence currently exists to quantify the risk and incidence of perioperative respiratory adverse events (PRAEs) in children with sleep-disordered breathing (SDB) undergoing all procedures requiring general anesthesia. Our objective was to determine the incidence of PRAEs and the risk factors in children with polysomnography-confirmed SDB undergoing procedures requiring general anesthesia.
Retrospective review of all patients with polysomnography-confirmed SDB undergoing general anesthesia from January 2009 to December 2013. Demographic and perioperative outcome variables were compared between children who experienced PRAEs and those who did not. Generalized estimating equations were used to build a predictive model of PRAEs.
In a cohort of 393 patients, 51 PRAEs occurred during 43 (5.6%) of 771 anesthesia encounters. Using generalized estimating equations, treatment with continuous positive airway pressure or bilevel positive airway pressure (odds ratio, 1.63; 95% confidence interval [CI], 1.05-2.54 that might better to identify the risk of PRAE during general anesthesia. Further investigation and validation of this model could contribute to improved preoperative risk stratification, decision-making (postoperative admission and level of monitoring), and health care resource allocation.
Postoperative delirium is common among older patients and preoperative identification of high-risk patients is widely recommended. The aim of this study was to assess whether preoperative cognitive performance using brief screening tools or regional cerebral oxygen saturation (Scto2) was associated with the development of postoperative delirium in older Portuguese patients undergoing elective surgery.
Prospective observational cohort study where preoperative cognitive screening tools (Mini-Cog, Mini-Mental State Examination, verbal fluency) and Scto2 (INVOS 5100C; Medtronic, Ireland) were assessed in 238 patients ≥65 years old undergoing elective surgery between July 2017 and May 2019 at a tertiary academic center in Portugal. The primary outcome was postoperative delirium detected by the 3D-Confusion Assessment Method. link2 Data were analyzed by univariate analysis and multivariable logistic regression.
Delirium was identified in 53 patients (22%); 162 patients (68%) had completed only 4 years of education.or preoperative cognitive performance was significantly associated with the development of postoperative delirium in an older Portuguese surgical population with an overall low level of formal education, but rather that preoperative Scto2 may be helpful in identifying patients at risk for delirium.
Double-lumen endobronchial tubes (DLTs) are used for one-lung ventilation (OLV) during thoracic surgery. PF-477736 into the bronchial cuff causes damage to the tracheobronchial mucosa, whereas underinflation leads to an incomplete collapse of the nonventilated lung or incomplete ventilation of the ventilated lung. However, how to determine the appropriate bronchial cuff volume and pressure during OLV is unclear. The objective of this study is to compare the required bronchial cuff volume for lung separation obtained by 2 different cuff inflation methods under closed- and open-chest conditions.
A total of 64 patients scheduled to undergo elective thoracic surgery requiring OLV were recruited. Left DLTs were used for both right- and left-sided surgery. The patients were randomly assigned to 1 of 2 inflation-type groups to estimate the bronchial cuff volume. In the capnogram waveform-guided bronchial cuff inflation group (capno group, n = 27), the bronchial cuff was inflated until a capnometer sampling gonchial seal was obtained by the capnogram waveform-guided bronchial cuff inflation method. Since the cuff volume required to achieve an air-tight seal decreases after opening the chest, readjustment of the bronchial cuff volume to prevent bronchial cuff damage to the tracheobronchial mucosa after opening the chest may be advisable.
The lowest cuff volume providing an air-tight bronchial seal was obtained by the capnogram waveform-guided bronchial cuff inflation method. Since the cuff volume required to achieve an air-tight seal decreases after opening the chest, readjustment of the bronchial cuff volume to prevent bronchial cuff damage to the tracheobronchial mucosa after opening the chest may be advisable.
The objective of this study was to evaluate the impact of the anterior/posterior status of positive surgical margin (PSM) on long-term outcomes after radical prostatectomy for prostate cancer.
We included 391 consecutive PSM patients after radical prostatectomy between 1993 and 2007 excluding cases with multiple location PSM or lack of anterior/posterior status data. The oncologic impact of anterior-PSM and posterior-PSM were examined by Kaplan-Meier analysis and the Cox proportional hazards model.
There were 115 cases (29.4%) with apex-PSM, 257 cases (65.7%) with peripheral PSM, and 19 cases (4.9%) with bladder neck PSM. Among the 257 peripheral PSM cases, 58 cases (22.6%) were with anterior-PSM, 174 cases (67.7%) were with posterior-PSM, and 25 cases (9.7%) were with both anterior and posterior PSM. Over a median follow-up of 12.6 years, patients with anterior-PSM, especially those with low to intermediate Gleason score (≤7), showed a biochemical recurrence (BCR) prognosis similar to those with apex-PPSM.
Poor sleep is a confirmed risk factor for hypertension (HTN), and Black/African American (AA) women have among the highest rates of HTN in the United States.
We examined the relationship between sleep and blood pressure (BP) among Black/AA mother-child dyads using data from the Intergenerational Impact of Genetic and Psychological Factors on Blood Pressure study.
Data for this study were derived from 250 Black/AA mother-child dyads from low-income neighborhoods, collected via 4 home visits over 2 years. Mothers reported poor sleep, including reports of sleeping worse than usual and nighttime awakenings. Recordings of BP were obtained for mother and child. Mother BP was scored as normal (<120/<80 mm Hg), elevated (120-129/<80 mm Hg), stage 1 HTN (130-139/80-89 mm Hg), or stage 2 HTN (systolic ≥140 or diastolic ≥90 mm Hg). link3 Generalized linear models examined the relationships between mother-reported poor sleep variables and both mother and child BP. Adjusted models examining mother BP controlled fuminated a strong relationship between high mother BP and high child BP. Finally, our study found preliminary support for the potentially mediating role of mothers' nighttime awakenings in predicting the relationship between mother stage 2 HTN and child BP.
We found evidence for an association between mothers' nighttime awakenings and very high BP. Our study also illuminated a strong relationship between high mother BP and high child BP. Finally, our study found preliminary support for the potentially mediating role of mothers' nighttime awakenings in predicting the relationship between mother stage 2 HTN and child BP.Oncocytic mucoepidermoid carcinoma (OMEC) is a rare but diagnostically challenging variant of mucoepidermoid carcinoma (MEC). OMEC is notable for differential diagnostic considerations that are raised as a result of overlap with other benign and low-grade oncocytic salivary gland tumors. Diffuse and strong immunoreactivity of p63 protein may be useful in distinguishing OMEC from its mimics. However, focal p63 staining can be present in benign oncytomas. Presence of mucin-containing cells, mucinous cystic formation, and foci of extravasated mucin are considered a hallmark of MEC. True mucocytes may be, however, very few and hardly discernable in OMECs. Recent evidence has shown that most MECs harbor gene fusions involving MAML2. A retrospective review of archived pathology files and the authors' own files was conducted to search for "low-grade/uncertain oncocytic tumor," "oncocytoma," and "oncocytic carcinoma" in the period from 1996 to 2019. The tumors with IHC positivity for p63 and/or p40, and S100 negativity, irrespective of mucicarmine staining, were tested by next-generation sequencing using fusion-detecting panels to detect MAML2 gene rearrangements.
