A simple method to control the distal tip of nasotracheal tube using the surgical suture

With great interest, we read the recent article by Hung et al. [1] describing a novel method to control the distal tip of nasotracheal tube. In clinical practice, we had used this technique to achieve the successful nasotracheal intubation [2]. We completely agree with the authors that this method may be used as a back-up technique if the cuff inflation technique fails for controlling the tube tip location during nasotracheal intubation. However, one of main concerns on this method is possible injury of the nasal mucosa by removing the surgical suture along the tube placed in the nasal passage immediately after intubation.

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Evaluating LMA-ProSeal insertion techniques: A call for methodological clarification

In the recent article by Ishio et al. [1] evaluating the insertion efficacy of the LMA-ProSeal by novice doctors with or without a 90° bend created by an intubating stylet in anesthetized patients, they demonstrate that a 90° bend re-figuration facilitates LMA-ProSeal insertion, as shown by a higher successful insertion rate, a higher sealing pressure, and a lower subjective difficulty of insertion. To rightly compare effect of insertion techniques on performance of the studied device in a randomized controlled trial, however, standardization of equipment and rational design of study are crucial.

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IOP-details

Publication date: February 2017
Source:International Journal of Psychophysiology, Volume 112





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Editorial Board

Publication date: February 2017
Source:International Journal of Psychophysiology, Volume 112





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Instructions to Authors

Publication date: February 2017
Source:International Journal of Psychophysiology, Volume 112





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Δ14CO2 from dark respiration in plants and its impact on the estimation of atmospheric fossil fuel CO2

Publication date: April 2017
Source:Journal of Environmental Radioactivity, Volumes 169–170
Author(s): Xiaohu Xiong, Weijian Zhou, Peng Cheng, Shugang Wu, Zhenchuan Niu, Hua Du, Xuefeng Lu, Yunchong Fu, George S. Burr
Radiocarbon (¹⁴C) has been widely used for quantification of fossil fuel CO2 (CO2ff) in the atmosphere and for ecosystem source partitioning studies. The strength of the technique lies in the intrinsic differences between the ¹⁴C signature of fossil fuels and other sources. In past studies, the ¹⁴C content of CO2 derived from plants has been equated with the ¹⁴C content of the atmosphere. Carbon isotopic fractionation mechanisms vary among plants however, and experimental study on fractionation associated with dark respiration is lacking. Here we present accelerator mass spectrometry (AMS) radiocarbon results of CO2 respired from 21 plants using a lab-incubation method and associated bulk organic matter. From the respired CO2 we determine Δ¹⁴Cres values, and from the bulk organic matter we determine Δ¹⁴Cbom values. A significant difference between Δ¹⁴Cres and Δ¹⁴Cbom (P < 0.01) was observed for all investigated plants, ranging from −42.3‰ to 10.1‰. The results show that Δ¹⁴Cres values are in agreement with mean atmospheric Δ¹⁴CO2 for several days leading up to the sampling date, but are significantly different from corresponding bulk organic Δ¹⁴C values. We find that although dark respiration is unlikely to significantly influence the estimation of CO2ff, an additional bias associated with the respiration rate during a plant's growth period should be considered when using Δ¹⁴C in plants to quantify atmospheric CO2ff.



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A Comparison of Locomotor Therapy Interventions: Partial Body Weight Supported Treadmill, Lokomat® and G-EO® Training in Persons with Traumatic Brain Injury

Literature in the application of gait training techniques in persons with traumatic brain injury is limited. Current techniques require of multiple staff and are physically demanding. The use of a robotic locomotor training may provide improved training capacity for this population.

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