Comparison between Continuous and Discrete Measurements of Breathlessness during Exercise in Normal Subjects Using a Visual Analogue Scale

1993 ◽  
Vol 85 (2) ◽  
pp. 229-236 ◽  
Author(s):  
Helen R. Harty ◽  
Peter Heywood ◽  
Lewis Adams
Keyword(s):  
Visual Analogue Scale ◽  
Analogue Scale ◽  
Acute Hypoxia ◽  
Normal Subjects ◽  
Continuous Method ◽  
Temporal Relationships ◽  
Scaling Methods ◽  
Stimulation Tests ◽  
Discrete Scaling ◽  
Visual Analogue Scaling

1. Visual analogue scaling of breathlessness made at discrete intervals during ventilatory stimulation tests can provide useful information about the intensity of this sensation. The aim of the present study was to investigate the use of continuous visual analogue scaling as a means of improving the temporal resolution of this measurement. 2. Six normal naive subjects scaled breathlessness using a visual analogue scale, during steady-state exercise. Further changes in this sensation were induced by either sustained hypercapnia or acute hypoxia; these responses were assessed either continuously or at discrete 30 s intervals and the two scaling methods were compared. 3. The continuous method of assessing breathlessness compared favourably with that of the more established discrete method, providing reproducible measurements in repeated tests equivalent in intensity to those obtained every 30 s. 4. Transient changes in the sensation of breathlessness produced by acute episodes of hypoxia were identified using the continuous scaling method but not with discrete scaling. 5. The continuous method of scaling breathlessness should aid the investigation of the neurophysiological basis of this sensation by allowing temporal relationships between changes in respiratory variables and the sensory consequences to be more carefully defined.

scholarly journals Validity of a frustration-induction procedure

2007 ◽  
Vol 30 (1) ◽  
pp. 47-49 ◽  
Author(s):  
Elaine Henna ◽  
Monica L Zilberman ◽  
Valentim Gentil ◽  
Clarice Gorenstein
Keyword(s):  
Visual Analogue Scale ◽  
Experimental Research ◽  
Research Method ◽  
Analogue Scale ◽  
Experimental Studies ◽  
Normal Subjects ◽  
Induction Procedure ◽  
Overt Behavior ◽  
Before And After

OBJECTIVE: To test a reliable and easily administered frustration-induction procedure for experimental research. METHOD: One hundred volunteers (81 women, mean age ± SD 34.2 ± 8 years) physically and psychiatrically healthy submitted to the frustration induction procedure were prevented from reaching reward level scores. Subjective aggressiveness feelings related to frustration were self-rated in a 13-item visual analogue scale before and after the procedure. RESULTS: Significant increases in aggressiveness-related feelings were detected in 12 of the 13 items. This was consistent with the observed overt behavior of the subjects during the task. CONCLUSIONS: The frustration-induction procedure is a simple, easy to administer frustration-induction procedure that can be used in experimental studies in normal subjects.

Analysis of reproducibility, evaluation, and preference of the new iC100 rebound tonometer versus iCare PRO and Perkins portable applanation tonometry

2019 ◽  
Vol 30 (6) ◽  
pp. 1349-1355 ◽  
Author(s):  
Mercedes Molero-Senosiaín ◽  
Laura Morales-Fernández ◽  
Federico Saenz-Francés ◽  
Julian García-Feijoo ◽  
Jose María Martínez-de-la-Casa
Keyword(s):  
Intraocular Pressure ◽  
Visual Analogue Scale ◽  
Analogue Scale ◽  
Normal Subjects ◽  
Applanation Tonometry ◽  
Rebound Tonometer ◽  
The Mean ◽  
The Difference ◽  
The Comparative Study ◽  
Mean Time

Objectives: To analyze the reproducibility of the new iC100 rebound tonometer, to compare its results with the applanation tonometry and iCare PRO and to evaluate the preference between them. Materials and methods: For the study of reproducibility, 15 eyes of 15 healthy Caucasian subjects were included. Three measurements were taken each day in three separate sessions. For the comparative study, 150 eyes of 150 Caucasian subjects were included (75 normal subjects and 75 patients with glaucoma). Three consecutive measurements were collected with each tonometer, randomizing the order of use. The discomfort caused by each tonometer was evaluated using the visual analogue scale. Results: No statistically significant differences were detected between sessions. In the comparison between tonometers, the measurements with iC100 were statistically lower than those of Perkins (−1.35 ± 0.417, p = 0.004) and that iCare PRO (−1.41 ± 0.417, p = 0.002). The difference between PRO and Perkins was not statistically significant ( p = 0.990). The mean time of measurement (in seconds) with iC100 was significantly lower than with Perkins (6.74 ± 1.46 vs 15.53 ± 2.01, p < 0.001) and that PRO (6.74 ± 1.46 vs 11.53 ± 1.85, p < 0.001). Visual analogue scale score with iC100 was lower than Perkins (1.33 ± 0.99 vs 1.73 ± 1.10, p < 0.05). In total, 61.7% preferred iC100 against Perkins. Conclusion: The reproducibility of this instrument has been proven good. iC100 underestimates intraocular pressure compared to applanation tonometry at normal values and tends to overestimate it in high intraocular pressure values. Most of the subjects preferred iC100 tonometer.

A comparison of the visual analogue scale and modified Borg scale for the measurement of dyspnoea during exercise

1989 ◽  
Vol 76 (3) ◽  
pp. 277-282 ◽  
Author(s):  
Rachel C. Wilson ◽  
P. W. Jones
Keyword(s):  
Visual Analogue Scale ◽  
Analogue Scale ◽  
Minute Ventilation ◽  
Normal Subjects ◽  
Work Rate ◽  
Borg Scale ◽  
Exercise Tests ◽  
Vas Score ◽  
The Mean ◽  
The Relationship

1. The intensity of breathlessness during exercise was measured in ten normal subjects using a visual analogue scale (VAS) and a Borg scale to compare the use of the scales and their repeatability, both within the duration of a period of exercise and between tests. For each scale, subjects performed two exercise tests separated by a period of 2–6 weeks. Each exercise test consisted of two cycles of progressively increasing and decreasing workload. 2. All subjects felt confidently able to use both scales to quantify their feelings of breathlessness exclusively of other sensation. Equal preference was expressed for use of a particular scale. 3. With both scales there was a large intersubject variation in the relationship between dyspnoea score and minute ventilation (VE) (P < 0.01), and in the range of the scale used. 4. There was a good correlation between the VAS and Borg scores at each level of VE (r2 = 0.71), but the VAS score was used over a wider range than the Borg score. 5. The relationship between VE and the dyspnoea score measured by the two techniques was predominantly linear. The mean r2 for VAS score/VE was 0.68 (sd 0.19) and for Borg score/VE the mean r2 was 0.75 (sd 0.13). 6. The relationships VAS score/VE and Borg score/VE were unaffected by the direction in which the workload was varied (P > 0.05). 7. VE, measured at each work rate, did not differ between the two cycles (P > 0.05) or between the 2 days (P > 0.05). 8. With both scales, the slope of the VE-breathlessness relationship was slightly higher during the second half of the exercise compared with the first (0.05 < P > 0.01). 9. The scores with both scales were lower in the second test compared with the first (P < 0.01): Borg 16% lower, VAS 27% lower. 10. Measurements of dyspnoea made with the Borg scale appeared to have greater stability than VAS measurements and to correlate with VE a little better.

Intoxication Perception Visual Analogue Scale

2010 ◽  
Author(s):  
Jennifer R. Cromer ◽  
Jason A. Cromer ◽  
Paul Maruff ◽  
Peter J. Snyder
Keyword(s):  
Visual Analogue Scale ◽  
Analogue Scale

EFFECTS OF INCREASING DOSES OF PYROGLUTAMYL-HISTIDYL-PROLINE AMIDE ON SERUM THYROTROPHIN LEVELS IN NORMAL SUBJECTS

1972 ◽  
Vol 70 (1) ◽  
pp. 196-208 ◽  
Author(s):  
Bengt Karlberg ◽  
Sven Almqvist
Keyword(s):  
Normal Saline ◽  
Standard Dose ◽  
Normal Subjects ◽  
Response Curves ◽  
Clinical Observations ◽  
Trh Stimulation ◽  
Stimulation Tests ◽  
Serial Measurements ◽  
Serum Tsh ◽  
Stimulation Of

ABSTRACT The effects of the administration of normal saline in four normal subjects and the single iv injections of synthetic pyroglutamyl-histidyl-proline amide (TRH) in doses of 6.25, 12.5, 25, 50, 100, 200 and 400 μg in 12 healthy subjects were evaluated by clinical observations and serial measurements from −10 to + 360 minutes of serum TSH, PBI, STH, cholesterol, glucose and insulin. Normal saline and TRH 6.25 μg iv did not change the serum TSH level. The minimum iv dose of TRH increasing serum TSH within 10 minutes was 12.5 μg. Nine of 12 subjects gave maximal increases of serum TSH after TRH 100 μg and all after 200 and 400 μg. The time for the peak response varied with the dose from 15 to 60 minutes. The dose-response curves, average and individual, were complex and not linear. This was interpreted as a varying degree of stimulation of both pituitary synthesis and release of TSH by TRH. PBI changes were measured at 2 h and 6 h. Minimum dose for a significant increase of PBI was 12.5 μg and 6.25 μg of TRH for the respective times. No change in basal STH-levels occurred in 53 of 65 TRH-stimulation tests. Nine of the 12 changes in serum STH occurred in four subjects with varying basal STH-levels. No changes were found in serum cholesterol, glucose or insulin. Our results show that 50 μg of TRH can be used as a standard dose for the single iv stimulation of pituitary release of TSH. TRH stimulated both TSH and STH release in 18% of our tests.

EFEKTIFITAS PENGGUNAAN TERAPI TRANSCUTANEUS ELECTRICAL NERVE STIMULATION (TENS) PADA PASIEN NYERI PUNGGUNG BAWAH DI RSUD dr. M HAULUSSY AMBON

2018 ◽  
pp. 70-78
Author(s):  
Ninik Maathia Sallatalohy ◽  
Mauren J Paliyama ◽  
Farah Ch Noya
Keyword(s):  
Visual Analogue Scale ◽  
Nerve Stimulation ◽  
Analogue Scale ◽  
Electrical Nerve Stimulation

Pendahuluan. Nyeri Punggung Bawah (NPB) merupakan suatu permasalahan yang paling sering ditemukan di masyarakat. Etiologinya tergolong kompleks dan dapat disebabkan oleh berbagai hal. Salah satu pilihan penatalaksanaan NPB adalah dengan terapi TENS. Tujuan. Tujuan penelitian ini adalah untuk mengetahui efektifitas terapi TENS pada pasien NPB di RSUD dr. M Haulussy Ambon. Metode. Desain penelitian yang digunakan adalah pretest–posttest design, dengan mengukur skala Visual Analogue Scale (VAS) sebelum dan setelah 5 kali terapi TENS. Jumlah subjek yang memenuhi kriteria sebanyak 71 dengan perbandingan laki-laki dan perempuan adalah 1:2. Hasil. Hasil uji Marginal Homogenity memperlihatkan perbedaan signifikansi sebelum dan setelah 5 kali terapi TENS (p = 0,000). Kesimpulan. TENS efektif dalam meredakan nyeri pada pasien NPB. Kata Kunci: Nyeri Punggung Bawah, TENS

A Novel Virtual Reality Technique (Cervigame®) Compared to Conventional Proprioceptive Training to Treat Neck Pain: A Randomized Controlled Trial

2019 ◽  
Vol 9 (3Jun) ◽  
Author(s):  
I Rezaei ◽  
M Razeghi ◽  
S Ebrahimi ◽  
S Kayedi ◽  
A Rezaeian Zadeh
Keyword(s):  
Virtual Reality ◽  
Visual Analogue Scale ◽  
Neck Pain ◽  
Analogue Scale ◽  
Controlled Trial ◽  
Neck Disability Index ◽  
Repeated Measure ◽  
Balance Test ◽  
Proprioceptive Training ◽  
Neck Disability

Background: Despite the potential benefits of virtual reality technology in physical rehabilitation, only a few studies have evaluated the efficacy of this type of treatment in patients with neck pain.Objective: The aim of this study was to compare the effects of virtual reality training (VRT) versus conventional proprioceptive training (CPT) in patients with neck pain.Methods: Forty four participants with nonspecific chronic neck pain were randomly assigned to VRT or CPT in this assessor-blinded clinical trial. A novel videogame called Cervigame® was designed for VRT. It comprises of 50 stages divided into unidirectional and two-directional stages ordered from easy to hard. CPT consisted of eye-follow, gaze stability, eye-head coordination and position and movement sense training. Both groups completed 8 training sessions over 4 weeks. Visual analogue scale score, neck disability index and Y-balance test results were recorded at baseline, immediately after and 5 weeks post-intervention. Mixed repeated measure ANOVA was used to analyze differences between mean values for each variable at an alpha level of 0.05.Results: There were significant improvements in all variables in both groups immediately after and 5 weeks after the intervention. Greater improvements were observed in the visual analogue scale and neck disability index scores in VRT group, and the results for all directions in Y-balance test were similar in both groups. No side effects were reported.Conclusion: Improvements in neck pain and disability were greater in VRT than CPT group. Cervigame® is a potentially practical tool for rehabilitation in patients with neck pain.

Sign in / Sign up

Export Citation Format

Share Document