scholarly journals Crosslinking of the Bioplast plastic material as a means of increasing its biomechanical stability and the effectiveness of keratoplasty for corneal ulcers

2021 ◽  
Vol 14 (2) ◽  
pp. 36-41
Author(s):  
S. V. Flora ◽  
E. V. Chentsova ◽  
E. N. Iomdina
Keyword(s):  
Plastic Material ◽  
Physiological Solution ◽  
Control Group ◽  
Human Cornea ◽  
Biomechanical Stability ◽  
Corneal Ulcers ◽  
Group 4 ◽  
Before And After ◽  
And Control ◽  
Experimental Group

Purpose:to assess the effect of ultraviolet (UVA) crosslinking of Bioplast plastic material (silicon-dried human cornea) on its biomechanical stability and effectiveness for keratoplasty in corneal ulcers. Material and methods. To determine the maximum rehydration time, 12 Bioplast samples were incubated in physiological solution (NaCl 0.9 %) for 12 hours and monitored for thickness using optical coherence tomography (OCT Spectralis, Heidelberg Engineering). After the epithelium was scarified rehydrated corneas were treated withof 0.1% riboflavin solution for 30 minutes, and after it 8 rehydrated samples (experimental group) were treated with UVA for 30minutes (wavelength 370 nm, power 3 mW/cm2) using a UV-X device system (IROC AG, Switzerland). In the control group (4 rehydrated samples), no UVA crosslinking was performed. The elastic-strength indicators of the experimental and control group samples were assessed by applying uniaxial tension using a deformation machine (Autograph AGS-H, Japan). To examine the patients (presented in clinical examples)before and after keratoplasty with Bioplast subjected to UVA crosslinking, a set of standard ophthalmic tests was used. Results.Rehydration of Bioplast was the most intensive in the first three hours of incubation, during which time tissue thickness increased uniformly by 50–55 μm/hour to 700–710 μm, while further incubation showed no significant additional effect on the fluid content in the cornea. After UVA crosslinking, the strength indices and the elastic modulus of the rehydrated Bioplast samples significantly increased in comparison with the control group. Clinical examples demonstrate the effectiveness of modified Bioplast for organ-preserving penetrating keratoplasty in case of perforatedcorneal ulcer. Conclusion. UVA crosslinking of rehydrated Bioplast increases its biomechanical stability. The data of laboratory studies and the first clinical tests demonstrate that modified Bioplast may be an effective replacement of native donor cornea in urgent keratoplasty of perforated ulcers.

OP08 Levels and sources of stress reported by first year paramedic students associated with their first ambulance placement

2021 ◽  
Vol 38 (9) ◽  
pp. A4.2-A4
Author(s):  
Matthew Warren-James ◽  
Julie Hanson ◽  
Belinda Flanagan ◽  
Mary Katsikitis ◽  
Bill Lord
Keyword(s):  
Death And Dying ◽  
Educational Interventions ◽  
Fear Of Failure ◽  
Anxiety And Depression ◽  
Control Group ◽  
First Year ◽  
Before And After ◽  
Quasi Experimental ◽  
And Control ◽  
Experimental Group

BackgroundWhilst there is evidence to suggest paramedics experience significant stress when working in the ambulance setting little is known about the experiences of first year paramedic students. This research aimed to: (i) identify whether levels of stress, anxiety and depression experienced by first year paramedic students changed after ambulance placement compared to a control group, and (ii) identify the main perceived and actual sources of stress around ambulance placement.MethodsA before-and-after quasi-experimental design was used to compare whether the experience of ambulance placement altered the levels of stress, anxiety and depression in an experimental group that attended an ambulance placement (n = 20) and the control group who did not (n = 10). Online surveys encompassing the Depression, Anxiety and Stress Scale (DASS-21) and qualitative questions about sources of stress were concurrently deployed to both the experimental and control groups before and after the ambulance placement. Participants were first year paramedic students working in Queensland Ambulance Service, Australia.ResultsThere was a significant reduction in levels of stress in participants after undertaking their first ambulance placement (Mdn = -4.00) when compared to a control group (Mdn = 0.00), U = 52.5, p = .035, n2 = 0.15. Responses to survey questions suggest anticipation about experiencing death and dying of patients was the most frequently reported stressor of student paramedics before undertaking ambulance placements, however insecurity about knowledge, competence and fear of failure was the most frequently experienced stressor reported after completing ambulance placements.ConclusionsThe findings from this study suggest that the fear of the unknown may be worse than the reality. Anticipatory stress is the foremost problem for first year paramedic students attending their first ambulance placement. Placement pre-briefing should focus on educational interventions to build knowledge and skills competency to reduce stress levels and fear of failure.

scholarly journals Frequent Immediate Knowledge of Results Enhances the Increase of Throwing Velocity in Overarm Handball Performance

2017 ◽  
Vol 56 (1) ◽  
pp. 197-205 ◽  
Author(s):  
Igor Štirn ◽  
Jamie Carruthers ◽  
Marko Šibila ◽  
Primož Pori
Keyword(s):  
Relative Increase ◽  
Control Group ◽  
Education Students ◽  
Velocity Change ◽  
Knowledge Of Results ◽  
Ball Size ◽  
Physical Education Students ◽  
Before And After ◽  
And Control ◽  
Experimental Group

AbstractIn the present study, the effect of frequent, immediate, augmented feedback on the increase of throwing velocity was investigated. An increase of throwing velocity of a handball set shot when knowledge of results was provided or not provided during training was compared. Fifty female and seventy-three male physical education students were assigned randomly to the experimental or control group. All participants performed two series of ten set shots with maximal effort twice a week for six weeks. The experimental group received information regarding throwing velocity measured by a radar gun immediately after every shot, whereas the control group did not receive any feedback. Measurements of maximal throwing velocity of an ordinary handball and a heavy ball were performed, before and after the training period and compared. Participants who received feedback on results attained almost a four times greater relative increase of the velocity of the normal ball (size 2) as compared to the same intervention when feedback was not provided (8.1 ± 3.6 vs. 2.7 ± 2.9%). The velocity increases were smaller, but still significant between the groups for throws using the heavy ball (5.1 ± 4.2 and 2.5 ± 5.8 for the experimental and control group, respectively). Apart from the experimental group throwing the normal ball, no differences in velocity change for gender were obtained. The results confirmed that training oriented towards an increase in throwing velocity became significantly more effective when frequent knowledge of results was provided.

Biomechanical Study of Jump Ability for Aerobics Sports Based on Single Chip Technology

2014 ◽  
Vol 484-485 ◽  
pp. 408-412 ◽  
Author(s):  
Chao Fan
Keyword(s):  
Biomechanical Testing ◽  
Biomechanical Study ◽  
Control Group ◽  
Training Methods ◽  
Single Chip ◽  
Chip Technology ◽  
Before And After ◽  
Jump Ability ◽  
And Control ◽  
Experimental Group

Competitive Aerobics in jumping ability is a special jumping ability, it not only requires jumping height, also called take-off speed and air attitude. Article put 28 students divided into experimental and control groups for a period of eight weeks of Spring Training. The experimental group used mainly jump and practice, the control group mainly continuous Straddle jump exercises. Before and after the experiment in the experimental group and the control group Calisthenics Bounce indicators and biomechanical testing, in order to reflect the effect of two kinds of training methods. Through experiments show that the use of single-chip technology, using jump and exercise, can improve the level of sports aerobics.

scholarly journals Effect of Music on Salivary Amylase in Patients Undergoing Chemotherapy

2020 ◽  
pp. 15-17
Author(s):  
Syed Imran ◽  
Moosabba MS ◽  
Alphonsa Ancheril
Keyword(s):  
Well Being ◽  
Repeated Measure ◽  
Control Group ◽  
Amylase Level ◽  
Salivary Amylase ◽  
Chemotherapy Administration ◽  
Significant Difference ◽  
Before And After ◽  
And Control ◽  
Experimental Group

Background: The diagnosis and the treatment for cancer are significant stressors for the patients. It can affect physical as well as psychological well-being. Variations in salivary amylase indicate physiological responses to the stressful experience during chemotherapy. Music therapy is witnessed to decrease psychosocial distress in the oncology setting. Listening to music can positively benefit neurophysiologic and emotional responses as well as promote relaxation, especially beneficial for cancer patients undergoing painful and anxiety-inducing chemotherapy. It is, therefore nurses, who are so familiar with this environment, not only to be aware of this anxiety-producing process but to cope with it and to alleviate it for the patient as much as possible. Objective: The objective of the study was to determine the salivary amylase levels in patients undergoing chemotherapy before and after listening to preferred music. Design: Quasi-experimental repeated measure design. Setting; Experimental and control group were recruited from two oncology units of selected multispecialty hospitals. Participants: Purposive sampling techniques were used to select the study participants. Patients of age group eighteen and above, undergoing first time chemotherapy treatment and the chemotherapy infusion lasts for minimum of 3 hours duration was the inclusion criteria whereas Patients who were unable to listen to music due to hearing problems, those who were with head and neck cancer, diabetes, hypertension, and thyroid problems were excluded from the study. 168 eligible participants were recruited among which 8 were unable to continue. Methods: Saliva was collected from both the study groups before and after the chemotherapy administration. The patient preferred instrumental music intervention was administered for the duration of 3 hours during chemotherapy with the help of mp3 player and musical pillow in the experimental group where the control group had a routine oncology unit care and they were rested on a bed during the chemotherapy administration. The post-tests were done on day 3 and day 5. Results: Significant changes in mean salivary amylase were observed in the experimental group compared to the control group (p˂0.05). Repeated measure ANOVA also showed a significant difference (p˂0.05) in the experimental group at different time points of observation. There was a significant association between the baseline amylase level and stage of cancer in both the experimental and control group (p˂0.05). Conclusion: Music was effective in patients undergoing chemotherapy in terms of reduction in salivary amylase level.

scholarly journals Local Vibration Influence of Anaerobic Capacity in Rowers

2015 ◽  
Vol 2 ◽  
pp. 257
Author(s):  
Kalvis Ciekurs ◽  
Viesturs Krauksts
Keyword(s):  
Considerable Increase ◽  
Anaerobic Capacity ◽  
Whole Body ◽  
Control Group ◽  
Triceps Brachii ◽  
Local Vibration ◽  
Rowing Ergometer ◽  
Before And After ◽  
And Control ◽  
Experimental Group

Whole body vibration is a worldwide innovation as a part of training method that helps athletes to regain the power and get ready for next training faster. However less attention is paid to local vibration where an isolated muscle or muscle group is stimulated by the use of a vibration device. For the reason to determine the effect of local vibration on anaerobic capacity of rowers, two research groups were assembled from the students of Murjāņi Sport Gymnasium (MSG) during the period of time from November 13, 2010 to March 20, 2011 - the experimental group (EG) and control group (CG). We manage tests with stationary Concept-II ergometer, EMG and goniometry before and after the sessions of local vibrations. After the local vibration sessions for experimental group, the anaerobic test results prove considerable increase on the stationary rowing ergometer Concept - II. As for the control group, there were no considerable increase observed. EMG proves considerable Triceps Brachii muscle activity improvement for the experimental group, yet the activity improvement was not observed for the control group.

scholarly journals Effect of an aged wearing suit on nursing student’s knowledge and attitude

BMC Nursing ◽  
2021 ◽  
Vol 20 (1) ◽  
Author(s):  
Zahra Mandegari Bamakan ◽  
Khadijeh Nasiriani ◽  
Farzan Madadizadeh ◽  
Fatemeh Keshmiri
Keyword(s):  
Nursing Students ◽  
The Elderly ◽  
Control Group ◽  
Control Groups ◽  
Significant Difference ◽  
Before And After ◽  
The Mean ◽  
Knowledge And Attitude ◽  
And Control ◽  
Experimental Group

Abstract Background The knowledge and attitude of health care providers are important and influential factors in providing care services to the elderly and need to be considered during the training course. Simulation in geriatric nursing education can be an opportunity for learners to experience the restrictions of the elderly. The present study was conducted to determine the effect of training through simulation on the attitude and knowledge of nursing students in elderly care. Methods This study was quasi-experimental with two experimental and control groups of pre and post-test, which was conducted on 70 nursing students of the 5th semester (two groups of 35 people). For the experimental group, the elderly simulation suit was worn for two hours, which was designed by the researcher and created sensory, physical, and motor restrictions similar to the elderly for students. Before and after the study, Kogan’s attitudes toward older people scale and Palmore’s “facts on aging quiz” were completed by students. The data were analyzed using an independent t-test and paired t-test using SPSS version 16 software. Results The mean scores of students’ knowledge in the experimental and control groups had no significant difference at the beginning of the study (p < 0.05). But the mean scores of knowledge in the experimental group before and after the intervention was (9.2 ± 2.6) and (15.3 ± 3.5), respectively, and in the control group before and after the intervention was (10.4 ± 2.9) and (11.3 ± 2.6), respectively, which had a statistically significant difference (p = 0.0001). The mean scores of students’ attitudes in the experimental and control groups had no significant difference at the beginning of the study (p < 0.05). The mean scores of attitude in the experimental group before and after the intervention was (114.69 ± 8.4) and (157.31 ± 10.7), respectively and in the control group before and after the intervention was (113.34 ± 13.6) and (108.5 ± 16.6), respectively, which was significantly different (p = 0.0001). Conclusions Based on the findings, the experience of aging restrictions through simulation has improved the knowledge and attitude of nursing students towards the elderly. Nursing education requires the growth of attitudinal skills, individuals’ beliefs, and creating empathy among them, so creating simulation opportunities can assist nursing students in the educational processes.

scholarly journals SETS-based guided experiment book: Empowering science process skills of elementary school students

2018 ◽  
Vol 4 (3) ◽  
Author(s):  
Pinkan Anita Tri Prasasti ◽  
Ivayuni Listiani
Keyword(s):  
Elementary School ◽  
Elementary School Students ◽  
Control Group ◽  
Process Skills ◽  
School Students ◽  
Control Group Design ◽  
Science Process Skills ◽  
Before And After ◽  
And Control ◽  
Experimental Group

In this 21st–century, students are expected to have current competencies in which one of them is science process skills. The aim of this research was to empower science process skills through the SETS-based guided experiment book. This Posttest Only Control Group Design study involved 50 students of fifth grade which divided into two groups i.e. 25 students as the experimental group and 25 students as the control group. The activities were carried out for three months outside of school. The empowerment of science process skills was measured from the increasing scores before and after the implementation of the SETS Guided Experiment Book. The results showed that there was a significant different between experimental group and control group as the significancy value was 0.01 (sig. < 0.05). This means that the SETS-based guided experiment book can empower Science process skill of elementary school students.

scholarly journals Development and Application of Horticultural Kit for Children’s Horticulture Education

2021 ◽  
Vol 24 (6) ◽  
pp. 595-608
Author(s):  
Hye Ran Kwack
Keyword(s):  
Seed Germination ◽  
Attitude Change ◽  
T Test ◽  
Program Control ◽  
Control Group ◽  
Program Satisfaction ◽  
Before And After ◽  
Quantitative Results ◽  
And Control ◽  
Experimental Group

Background and objective: For effective horticultural education, it is required to develop kits for practice. In this study, we developed a horticultural kit for germination that introduces storytelling, characterization, and assembly, and investigated the educational effects of using it to study its educational differentiation and usefulness.Methods: First, we developed a seed germination kit for learning. It consists of three components: the kit main frame for hydroponics, the activity sheet for storytelling, and the instruction manual. It is made into an acrylic assembly in consideration of the ease of delivery for contactless learning. Second, we developed two programs, each using a germination kit for horticultural education (experimental group) and a general germination kit program (control group). At this time, the class consists of pre-questionnaire, the 1st and 2nd classes, observation log writing (total six times for two weeks), the 3rd class, and post-questionnaire. The experimental group and control group were separately executed. Third, the application results were compared and analyzed before and after class. As a quantification questionnaire, the effects before and after class were compared through t-test with a questionnaire on program satisfaction and attitude change toward plants. The quantitative results were analyzed through observation activity sheets and effects before and after the class were analyzed through t-test with quantification and language coding.Results: The effect of horticulture education using the developed kit was estimated by a quantification questionnaire. Both the program satisfaction and the change in attitude toward plants showed high in the experimental group, and this difference was statistically significant (p < .05). As a result of analyzing the observation paper with a qualitative questionnaire, various cognitive and affective expressions appeared in the experimental group as well as the contents of the observation paper. The number of syllables and various qualitative expressions appeared, and these differences were also statistically significant (p < .05).Conclusion: Compared to general germination activities, it was found that the germination activities using storytelling-based horticultural kits would be effective for contactless classes in the post-COVID-19 era and in increasing the educational effect of horticultural activities.

Manufacture of the Functional Noodle and its Effects on Postprandial 2h-blood Glucose and Serum Lipid Levels of Subjects with IGT

2020 ◽  
Vol 16 (4) ◽  
pp. 625-630
Author(s):  
Yong-Taek Kim ◽  
Zong-Do Jo ◽  
Hung-Mun Pang ◽  
Chan-Ok Paek ◽  
Chang-Sok Mun
Keyword(s):  
Blood Glucose ◽  
Control Group ◽  
Mixing Ratios ◽  
Group 4 ◽  
Ancient Times ◽  
And Control ◽  
Experimental Group ◽  
Optimal Mixing ◽  
Made In

Background: The earliest determinant of progression to type 2 diabetes is a loss of early insulin secretion, a defect which results in postprandial hyperglycemia and is often believed to reflect insulin resistance. In Asian countries including our country, noodle is the traditional food which has been eaten from ancient times and is taken one or two times a day. The functional noodle is a staple meeting nutritional requirements for the prevention and treatment of Impaired Glucose Tolerance (IGT). Methods: FNs were prepared using the noodle making machine according to Barak et al. with slight modifications. After giving FNs prepared by three mixing ratios of main materials to the IGT-induced rats for 30 days, the levels of postprandial 2h-blood glucose in all experimental groups and control group were measured to determinate the optimal mixing ratio of FN. After the IGT subjects in experimental group ate 200g of FN (dried weight) in exchange for a lunch for 60 days, the levels of postprandial 2h-blood glucose and of TG and TC in serum were measured to compare with that in the control group who had not undergone control in their diet. Results: After 30 days of experiment, the levels of postprandial 2h-blood glucose in rats of pl group 4 were lowest. The levels of postprandial 2h-blood glucose in the control group that most of them had not undergone control in their diet were increased, but that in experimental group who had taken FN decreased from 30 days of experiment to be significantly different after 60 days. The concentrations of serum TC and TG of IGT subjects in the experimental group were decreased compared with that in the control group, but significance among two groups was achieved only in the concentration of serum TC. Conclusion: FN made in the 4:3:3 ratio of powder of corn, powder of bean cake defatted and powder of peeled whole potato is more effective to decrease the levels of postprandial 2h-blood glucose. FN is a staple type of functional food that could be used for the treatment of IGT.

Improvement of Hand Motor Function after Radial Shock Wave Therapy in Chronic Stroke Patients

2019 ◽  
pp. 2-12
Author(s):  
M. Kamaluddin K ◽  
Erna Setiawati ◽  
Tanti Ajoe Kesoema
Keyword(s):  
Shock Wave ◽  
Motor Function ◽  
Hand Function ◽  
Chronic Stroke ◽  
Control Group ◽  
Shock Wave Therapy ◽  
Stroke Patients ◽  
Before And After ◽  
And Control ◽  
Experimental Group

IIntroduction: The Radial Shock Wave Therapy (RSWT) expected could improve spasticity and hand function in chronic stroke patients. This study aimed to find out the improvement of hand function after RSWT as an additional therapy in chronic stroke patients. Methods: Design study was a randomized controlled trial, in December 2018. The patients were assigned randomly to the experimental group (Infrared, Stretching, and RSWT) and control group (Infrared and Stretching) for six weeks. Hand motor function was measured using Fugl-Meyer Motor Assesment (FMA) before and after intervention. Results: The median values of wrist FMA scores in the experimental and control group before and after intervention were 2 vs 5 (p=0.001) and 3 vs 4 (p<0.001) respectively. The median values of hand FMA scores in the experimental and control group before and intervention were 4 vs 6 (p=0,.001) and 4 vs 5 (p<0.001). However, the delta between before and after intervention was higher in experimental group. Conclusion: The improvement of wrist and hand FMA scores after added treatment by RSWT was tend to higher.Keywords: Spasticity, Hand Function, Stroke, Radial Shock Therapy, Fugl-Meyer Motor Assesment

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