scholarly journals Apneic laryngeal oxygenation during elective fiberoptic intubation – a technical simulation

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Daniel C. Schroeder ◽  
Wolfgang A. Wetsch ◽  
Simon-Richard Finke ◽  
Fabian Dusse ◽  
Bernd W. Böttiger ◽  
...  
Keyword(s):  
Experimental Study ◽  
Oxygen Saturation ◽  
Difficult Airway ◽  
Respiratory Depression ◽  
Fiberoptic Intubation ◽  
Control Group ◽  
Test Lung ◽  
Nasal Prong ◽  
Group Oxygen

Abstract Background Sedation during elective fiberoptic intubation for difficult airway can cause respiratory depression, apnea and periods of desaturation. During apneic episodes, hypoxemia can be prevented by insufflation of oxygen in the deep laryngeal space. The aim of this study was to evaluate an oropharyngeal oxygenation device (OOD) designed for deep laryngeal insufflation during fiberoptic intubation. Methods The OOD is split in the front to form a path for the bronchoscope. An external lumen delivers oxygen in the deep laryngeal space. In this experimental study, air application (as control group), oxygen application via nasal prongs, oxygen application via the OOD, and oxygen application via the working channel of a bronchoscope were compared in a technical simulation. In a preoxygenated test lung of a manikin, decrease of the oxygen saturation was measured over 20 min for each method. Results Oxygen saturation in the test lung dropped from 97 ± 1% (baseline in all groups) to 58 ± 3% in the control-group (p < 0.001 compared to all other groups) and to 78 ± 1% in the nasal prong group (p < 0.001 compared to all other groups). Oxygen saturation remained at 95 ± 2% in both the OOD group and the bronchoscopy group (p = 0.451 between those two groups). Conclusion Simulating apneic laryngeal oxygenation in a preoxygenated manikin, both oxygen insufflation via the OOD and the bronchoscope kept oxygen saturation in the test lung at 95% over 20 min. Both methods significantly were more effective than oxygen insufflation via nasal prongs.

Comparison of the Intubating Laryngeal Mask Airway with the Fiberoptic Intubation in Anticipated Difficult Airway Management

2001 ◽  
Vol 94 (6) ◽  
pp. 968-972 ◽  
Author(s):  
Olivier Langeron ◽  
François Semjen ◽  
Jean-Louis Bourgain ◽  
Alain Marsac ◽  
Anne-Marie Cros
Keyword(s):  
Laryngeal Mask Airway ◽  
Tracheal Intubation ◽  
Adverse Events ◽  
Oxygen Saturation ◽  
Difficult Airway ◽  
Difficult Intubation ◽  
Laryngeal Mask ◽  
Fiberoptic Intubation ◽  
Alternative Technique ◽  
Intubating Laryngeal Mask Airway

Background The intubating laryngeal mask airway (ILMA; Fastrach; Laryngeal Mask Company, Henley-on-Thames, UK) may provide an alternative technique to fiberoptic intubation (FIB) to facilitate the management of the anticipated difficult airway. The authors therefore compared the effectiveness of the ILMA with FIB in patients with anticipated difficult intubation. Methods One hundred patients, with at least one difficult intubation criteria (Mallampati class III or IV, thyromental distance &lt; 65 mm, interincisor distance &lt; 35 mm) were enrolled (FIB group, n = 49; ILMA group, n = 51) in this prospective randomized study. Anesthesia was induced with propofol and maintained with alfentanil and propofol after an efficient mask ventilation has been demonstrated. The success of the technique (within three attempts), the number of attempts, duration of the successful attempt, and adverse events (oxygen saturation &lt; 90%, bleeding) were recorded. Results The rate of successful tracheal intubation with ILMA was 94% and comparable with FIB (92%). The number of attempts and the time to succeed were not significantly different between groups. In case of failure of the first technique, the alternative technique always succeeded. Failures in FIB group were related to oxygen desaturation (oxygen saturation &lt; 90%) and bleeding, and to previous cervical radiotherapy in the ILMA group. Adverse events occurred significantly more frequently in FIB group than in ILMA group (18 vs. 0%, P &lt; 0.05). Conclusion The authors obtained a high success rate and comparable duration of tracheal intubation with ILMA and FIB techniques. In patients with previous cervical radiotherapy, the use of ILMA cannot be recommended. Nevertheless, the use of the ILMA was associated with fewer adverse events.

PENGARUH SUHU PEMANASAN FORMALIN 10% TERHADAP PERKEMBANGAN TELUR Ascaris lumbricoides

2018 ◽  
Vol 6 (1) ◽  
Author(s):  
Ni Putu Aryadnyani
Keyword(s):  
Experimental Study ◽  
Environmental Factors ◽  
Ascaris Lumbricoides ◽  
Heating Temperature ◽  
Control Group ◽  
Control Group Design ◽  
Group Design ◽  
Design Result

AbstractBackground Ascaris lumbricoides eggs had very thick walls consisted of three layers, they were albuminoid layer, hyaline layer and vitelin layer. These layers were impermeable causing the Ascaris lumbricoides eggs resistant to less supportive environmental factors. Formalin 10% was a preservative that was often used to preserve faeces containing parasites such as protozoa and worm eggs. However, without heating, formalin 10% was not effective to preserve the Ascaris lumbricoides eggs because they would keep developing to become infective (containing larvae). Objective This study aims to prove whether there is an effect of adding 10% formalin which is heated at 60 C, 70 C and 80 C to the development of Ascaris lumbricoides eggs.Methods The design of this research was an experimental study with The Randomized Posttest Control Group Design. Result The Ascaris lumbricoides eggs were still growing into infective eggs in faeces although they were heated by formalin 10% at 60C, 70C and 80C. conclusion Based on the results of the study, there was no effect of heating temperature of formalin 10% on the development of Ascaris lumbricoides egg.Keywords: Formalin 10%, Ascaris lumbricoides, Heating, Soil Transmitted Helminth

PENGELUARAN KOLOSTRUM DENGAN PEMBERIAN PERAWATAN PAYUDARA DAN ENDORPHIN MASSAGE PADA IBU POST SEKSIO SESAREA

2019 ◽  
Vol 2 (1) ◽  
pp. 34-40
Author(s):  
Diah Evawanna Anuhgera ◽  
Eka Fitria Panjaitan ◽  
Desika Wali Pardede ◽  
Desika Wali Pardede ◽  
Nikmah Jalilah Ritonga ◽  
...  
Keyword(s):  
Experimental Study ◽  
Cesarean Section ◽  
Alternative Therapy ◽  
Control Group ◽  
Control Group Design ◽  
Group Design ◽  
A Value ◽  
Quasi Experimental ◽  
Breast Care ◽  
June July

Spending colostrum in post-cesarean section mothers is difficult in the first week postpartum. Efforts to overcome colostrum disruption can use non-pharmacological methods, namely breast care and endorphin massage. This study aims to determine the expenditure of colostrum by giving breast care and endorphin massage to post-cesarean mothers. This research is a quasi-experimental study with a nonequivalent design posttest control group design. This research was carried out in the midwifery room of the second floor of Grand Medistra Lubuk Pakam Hospital during the June-July 2019 period. There were 48 participants selected using purposive sampling, with 18 assigned in breast care, endorphin massage and combination of breast care and endorphin massage. The time of spending colostrum expenditure is assessed every day while the amount of colostrum expenditure is assessed after intervening. Analysis of the data used is one-way Annova. The results showed that the combination of breast care and endorphin massage was the most effective action in the time of spending colostrum and the amount of colostrum with a value of p = 0,000. The combination of breast care and endorphin massage could be applied as an alternative therapy post-cesarean mothers    

scholarly journals Serious Games and Mathematical Fluency: A Study from the Gender Perspective in Primary Education

2021 ◽  
Vol 13 (12) ◽  
pp. 6586
Author(s):  
Fernando Fraga-Varela ◽  
Esther Vila-Couñago ◽  
Ana Rodríguez-Groba
Keyword(s):  
Experimental Study ◽  
School Performance ◽  
Serious Games ◽  
Learning Processes ◽  
Control Group ◽  
School Settings ◽  
Opportunities For Learning ◽  
Quasi Experimental ◽  
Mathematical Fluency ◽  
Clear Relation

In recent years, serious games offer great opportunities for learning processes at schools. However, it is unclear whether this type of proposals can offer differentiated answers among the students according to their gender. In this context, the aim of this paper is to know the possible differences that occur in primary school classrooms according to gender, with serious games designed for the development of mathematical fluency, and to examine to what extent these games contribute to the overall school performance. We carried out a quasi-experimental study, including pretest and posttest, without control group and with several experimental groups, and the participation of 284 students from first to fourth grade. The results show that the software benefits boys and girls equally, compared to the previously followed methodology that benefited boys. A clear relation between the results achieved and the performance in the overall students’ grades has also been observed. The conclusions show the potential of serious games in school settings, and the opportunity to approach performance differences based on the gender.

scholarly journals Effectiveness of “Hand Hygiene Fun Month” for Kindergarten Children: A Pilot Quasi-Experimental Study

2020 ◽  
Vol 17 (19) ◽  
pp. 7264
Author(s):  
Lorna Kwai Ping Suen ◽  
Janet Pui Lee Cheung
Keyword(s):  
Experimental Study ◽  
Hand Hygiene ◽  
School Health ◽  
Intervention Group ◽  
Kindergarten Children ◽  
School Level ◽  
Control Group ◽  
Hygiene Practices ◽  
Quasi Experimental ◽  
Experimental Group

Early childhood is a formative period during which healthy habits are developed, including proper hand hygiene practices. The aim of this quasi-experimental study was to determine the effectiveness of a 4-week series of educational sessions that consider the cognitive developmental stage of children on increasing their knowledge and promoting hand hygiene practices. The intervention group (n = 33) observed the hand hygiene program, whereas another group served as the waitlist control (n = 20). Creative activities were planned for the illustration of hand hygiene concepts in terms of “right moments”, “right steps”, and “right duration”. Hand sanitizer coverage was evaluated using a hand scanner. After the intervention, the experimental group had higher knowledge level toward hand hygiene than the control group (p < 0.001). Significant improvements in hand hygiene performance at the left palm and dorsum (p < 0.05), right palm (p < 0.05), and overall hand coverage (p < 0.05) were observed in the experimental group. The study demonstrated that the knowledge and proper hand hygiene (HH) practice of children can be positively influenced by the use of an age-appropriate education program. The results of this study have implications for school health educators and parents for promoting HH practices among children at home and at the school level.

Electronic texts or learning through textbooks: An experimental study

ReCALL ◽  
2004 ◽  
Vol 16 (2) ◽  
pp. 539-557 ◽  
Author(s):  
NINETTE CARTES-ENRIQUEZ ◽  
M. I. SOLAR RODRIGUEZ ◽  
R. QUINTANA LETELIER
Keyword(s):  
Experimental Study ◽  
Foreign Language ◽  
Cognitive Strategies ◽  
Control Group ◽  
Computer Lab ◽  
Electronic Texts ◽  
Post Test ◽  
Search For Information ◽  
Experimental Group ◽  
Traditional Class

This is an experimental study in the area of Didactics applied to the learning of English as a foreign language and complemented by CALL. The main objective of this work is to know the degree of incidence existing between two groups of students: one, based on conference-style classes where students, guided by the teacher, have to search for information about a topic in the computer lab and present it in front of the class and, in the other, where students are taught by the teacher according to a printed text. The experimental design consisted of a pre-test/post-test plus the application of different techniques to develop the different linguistic and cognitive strategies, between these tests. The methodology used by the Experimental Group forced learners to generate their own knowledge, so they had to apply the information and work by themselves in Workshops; and the Control Group participated in the classroom according to the communicative approach, guided by the teacher in the traditional class. Statistics were applied to the scores obtained between both tests, and the scores obtained weekly in the different competences contributed to knowing whether there were significant differences between both groups.

scholarly journals Effects of Using Perineal Underwear on Discomfort and Shame in Angiography Patients

2021 ◽  
Vol 18 (5) ◽  
pp. 2480
Author(s):  
Eunhye Shin ◽  
Hanna Lee
Keyword(s):  
Experimental Study ◽  
Lower Degree ◽  
University Hospital ◽  
Primary Data ◽  
Control Group ◽  
Quasi Experimental ◽  
Experimental Group

The purpose of this study is to develop and apply a type of perineal underwear that protects the patient’s physical privacy and to examine its effects on perineal discomfort and shame. This study collected primary data from 44 patients who visited Kyung Hee University hospital in Seoul city and were admitted to the neurosurgery ward to undergo angiography between 7 August 2017, and 30 April 2018. In this quasi-experimental study with a nonequivalent control group posttest-only design, participants were divided into an experimental group (n = 22) and a control group (n = 22). The control group used conventional protection, which involved wearing padding around the perineum, while the experimental group wore the perineal underwear developed in this study. The underwear group showed a significantly lower degree of shame (Z = −5.39, p < 0.001) and perineal discomfort (Z = −5.88, p < 0.001) than the padding group. In the padding group, women felt significantly more shame than men did (Z = −2.48, p = 0.013). The use of the perineal underwear developed in this study significantly reduced the degree of shame and perineal discomfort in patients undergoing angiography. Such perineal underwear could also be useful for protecting patients’ privacy during perineal examinations.

Results of an experimental study of hydrogel drainage containing ranibizumab in antiglaucoma operations

2021 ◽  
pp. 63-67
Author(s):  
I.I. Khusnitdinov ◽  
Keyword(s):  
Experimental Study ◽  
Hyaluronic Acid ◽  
Key Words ◽  
Experimental Research ◽  
Experimental Studies ◽  
Glaucoma Surgery ◽  
Control Group ◽  
Morphological Studies

Purpose. Еxperimental substantiation of the effectiveness of biocompatible biodegradable hydrogels based on hyaluronic acid and chitosan succinate as a carrier of ranibizumab in antiglaucoma operations. Material and methods. Hydrogel drainage (HD) was obtained immediately before surgery. A solution of ranibizumab (0.23 ml) was mixed with a solution of hyaluronic acid dialdehyde (0.5 ml), then a solution of chitosan succinate (0.5 ml) was added. Experimental studies were performed in 12 (12 eyes) healthy rabbits. The first group consisted of 6 eyes – 0.187 ml of ranibizumab per 1 ml of gel. In the control group, HD was used intraoperatively without the addition of ranibizumab (6 eyes). Morphological studies were performed on 7th, 21st, and 42nd days. Results. In experimental studies in vitro and in vivo, it was proved that ranibizumab, administered as a part of 0.1 ml of hydrogel drainage in the antiglaucoma surgery area is released within 3 weeks and suppresses vascularization, scarring of the operating area, and preserves the intrascleral cavity. The optimal concentration of ranibizumab was selected-0.02 ml in 0.1 ml of gel. Conclusion. The safety and effectiveness of the use of hydrogel drainage with ranibizumab based on hyaluronic acid dialdehyde and chitosan succinate in anti-glaucoma operations has been proven. Key words: experimental research, hydrogel drainage, ranibizumab, glaucoma surgery.

The Potential Effect of Mucuna pruriens Seed Extract on Sperm Quality experimental study on mice exposed to cigarette smoke

2021 ◽  
Vol 20 (4) ◽  
pp. 768-773
Author(s):  
Meidona Nurul Milla ◽  
Yani Istadi ◽  
Vania Shaula ◽  
Deastri Anjeas Wari ◽  
Chntyia Dwi Cahyani Puspitasari ◽  
...  
Keyword(s):  
Experimental Study ◽  
Cigarette Smoke ◽  
Sperm Quality ◽  
Medical Science ◽  
Seed Extract ◽  
Reproductive Age ◽  
Testicular Atrophy ◽  
Mucuna Pruriens ◽  
Control Group

Background: Infertility has been more common problems among couple of reproductive age. One of the factors causing this disorder is unhealthy environmental factors including exposure to cigarette smoke. Polynuclear aromatic hydrocarbons (PAHs) in cigarette smoke can cause testicular atrophy, while the free radicals can inhibit the stages of spermatogenesis, and nicotine in cigarettes affects the brain dopamine levels affecting the levels of GnRH, and subsequently affect the levels of FSH and LH needed in spermatogenesis. The use of Mucuna pruriens seed extract containing antioxidants and L-dopa is expected to improve the quality of sperm after exposure to cigarette smoke. Objective: This study aimed to determine the effect of Mucuna pruriens seed extract on the sperm quality in mice exposed to cigarette smoke. Methods: This study was an experimental study with a post test only control group design. A total of 20 mice were divided into 4 groups of five mice each. All groups were exposed to cigarette smoke. Group 1 was the negative control exposed to cigarette smoke. Groups 2, 3, 4 were exposed to cigarettes smoke and given Mucuna pruriens seed extracts at the dose of 250; 300; and 350 mg/Kg BW/day. Parameters of sperm quality included concentration, morphology, motility and viability. Results: Post hoc tests showed there were significant differences among treatment groups. Conclusion: the administration of Mucuna pruriens seed extract affects the sperm quality of BALB/c mice exposed to cigarettes smoke. Bangladesh Journal of Medical Science Vol.20(4) 2021 p.768-773

scholarly journals The effects of re-exposure to instruction and the use of discourse-level interpretation tasks on processing instruction and the Japanese passive

2015 ◽  
Vol 53 (2) ◽  
Author(s):  
Alessandro Benati
Keyword(s):  
Experimental Study ◽  
Native Speakers ◽  
Control Group ◽  
Processing Instruction ◽  
Target Feature ◽  
Passive Construction ◽  
Sentence Level ◽  
L2 Learners ◽  
Task Interpretation

AbstractThis experimental study explores immediate and re-exposure effects of processing instruction on the acquisition of Japanese passive forms as measured by sentence-level and discourse-level tasks. The passive construction in Japanese is affected by learners' use of the First Noun Strategy. Participants were English native speakers and were randomly assigned to one of three groups (processing instruction, processing instruction and re-exposure, and one control group), with the aim of measuring discourse-level and re-exposure effects. Two sentence-level tasks (interpretation and production), and one discourse level task (interpretation) were used in this experiment. The main findings from the study show that L2 learners receiving processing instruction not only improved in their ability to interpret and produce the target feature at sentence level, but they can also use the target forms to interpret discourse. Learners receiving re-exposure to the processing instruction treatment further improve their performance on both sentence-level and discourse-level tasks in an immediate and delayed post-tests battery.

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