Comparison of Body Temperature in Cats Using a Veterinary Infrared Thermometer and a Digital Rectal Thermometer

2004 ◽  
Vol 40 (1) ◽  
pp. 42-46 ◽  
Author(s):  
Gail A. Kunkle ◽  
Constance F. Nicklin ◽  
Deborah L. Sullivan-Tamboe
Keyword(s):  
Body Temperature ◽  
Mean Difference ◽  
Limits Of Agreement ◽  
Infrared Thermometer ◽  
The Mean

The purpose of this study was to determine if the temperatures obtained using a veterinary infrared (IR) thermometer agreed with a digital rectal thermometer in a group of research cats, half of which had transient fevers. The thermometers were weakly correlated (r=0.62). The mean difference was 0.13°F (0.07°C), and the limits of agreement were 2.6°F (1.43°C) and −2.5°F (−1.36°C), which were unacceptable for clinical purposes. The results of this study indicate that, while the IR thermometer was easy to use, it cannot be used interchangeably with the rectal thermometer.

scholarly journals The Difference of Results in Abdomen and Anus Area Measurement With Non-Contact Infrared Thermometer

2021 ◽  
Vol 22 (2) ◽  
pp. 183-188
Author(s):  
Anna Surgean Veterini ◽  
Nancy Margarita Rehatta ◽  
Hamzah Hamzah ◽  
Widijiati Widijiati ◽  
Sarmanu Sarmanu ◽  
...  
Keyword(s):  
Animal Model ◽  
Body Temperature ◽  
Mean Difference ◽  
The Body ◽  
Area Measurement ◽  
Control Group ◽  
Control Groups ◽  
Infrared Thermometer ◽  
Treatment Groups ◽  
The Mean

Research about sepsis in animal model is interesting to get the right therapeutic method for human being. We did the research to study about the value of body temperature in mice’s various body area in order to get the important information if we are going to do the translational research in animal model about sepsis. One clinical signs of the sepsis mice model is changes in body temperature. An easy way to examine body temperature is using infrared non-contact thermometer. This study aimed to compare the body temperature using infrared non-contact thermometer at the abdomen and anal area. We used male mice, weighing 25–30 g, divided into two groups (control and treatment groups). The control group injected with NaCl 0.9% solution, with the amount of NaCl 0.9% volume equal to Lipopolysaccharide (LPS). In the treatment group injected with 2.5 mg/kg BW of LPS intraperitoneally. Body temperature was measured in abdomen (tabd) and ananl (tan) area at 8th and 24th hour after treatment. Body temperature value tabd was higher than tan. Lipopolysaccharide injection increase body temperature but was not significant when compared to the control group (8th and 24th hour). The mean difference between tabd and tan in 8th control groups were 2.12oC respectively. The mean difference between tabd and tan in 24th hour control groups 4.6oC. The mean difference in treatment groups (8th hour) was 4.66oC, while it was 4.77oC in the 24th groups. Giving 2.5 mg/kg BW LPS intraperitoneally did not rise the body temperature significantly as compare to control groups. But, body temperature at anus area using non-contact infrared thermometer after treatment showed lower results as compared to that of at abdomen significantly.

scholarly journals Evaluation of Inter-System Variability in Liver Stiffness Measurements

2018 ◽  
Vol 40 (01) ◽  
pp. 64-75 ◽  
Author(s):  
Giovanna Ferraioli ◽  
Annalisa De Silvestri ◽  
Raffaella Lissandrin ◽  
Laura Maiocchi ◽  
Carmine Tinelli ◽  
...  
Keyword(s):  
Shear Wave ◽  
Liver Stiffness ◽  
Shear Wave Elastography ◽  
Mean Difference ◽  
Observer Agreement ◽  
Concordance Correlation ◽  
Limits Of Agreement ◽  
Inter Observer Variability ◽  
System Variability ◽  
The Mean

Abstract Aim The primary aim of this study was to determine the inter-system variability of liver stiffness measurements (LSMs) in patients with varying degrees of liver stiffness. The secondary aim was to determine the inter-observer variability of measurements. Materials and Methods 21 individuals affected by chronic hepatitis C and 5 healthy individuals were prospectively enrolled. The assessment of LSMs was performed using six ultrasound (US) systems, four of which with point shear wave elastography (p-SWE) and two with 2 D shear wave elastography (2D-SWE) systems. The Fibroscan (Echosens, France) was used as the reference standard. Four observers performed the measurements in pairs (A-B, C-D). The agreement between different observers or methods was calculated using Lin’s concordance correlation coefficient. The Bland-Altman limits of agreement (LOA) were calculated as well. Results There was agreement above 0.80 for all pairs of systems. The mean difference between the values of the systems with 2D-SWE technique was 1.54 kPa, whereas the maximum mean difference between the values of three out of four systems with the pSWE technique was 0.79 kPa. The intra-patient concordance for all systems was 0.89 (95 % CI: 0.83 – 0.94). Inter-observer agreement was 0.96 (95 % CI: 0.94 – 0.98) for the pair of observers A-B and 0.93 (95 % CI: 0.89 – 0.96) for the pair of observers C-D. Conclusion The results of this study show that the agreement between LSMs performed with different US systems is good to excellent and the overall inter-observer agreement in “ideal conditions” is above 0.90 in expert hands.

Biochemical Aspects and Clinical Perspectives of Continuous Urea Monitoring in Plasma Ultrafiltrate: Preliminary Results of a Multicenter Study

1995 ◽  
Vol 18 (9) ◽  
pp. 544-547 ◽  
Author(s):  
G. Colasanti ◽  
G. Arrigo ◽  
A. Santoro ◽  
S. Mandolfo ◽  
C. Tetta ◽  
...  
Keyword(s):  
Laboratory Method ◽  
Mean Difference ◽  
Limits Of Agreement ◽  
Laboratory Plasma ◽  
Plasma Urea ◽  
Urea Kinetics ◽  
On Line ◽  
The Mean ◽  
Plasma Urea Concentration

We tested a new biosensor for urea monitoring in the ultrafiltrate during PFD in a group of 5 hemodialyzed stable patients. The inspection of the UF-urea profile reflects the dynamical changes of the plasma urea concentration during diffusive dialysis and allows the fitting of the main mathematical models of urea kinetics. The biosensor efficiency was 98.4% on average (SD: 1.5%) at Uf fluxes varying from 45 to 55 ml/min (mean: 51 ml/min; SD: 3.2) and at Uf-urea concentrations varying from 23 to 165 mg/dl. The mean difference between Uf-urea determined by the laboratory method and Uf-urea assayed by the biosensor was -1.07 mg/dl and the 95% confidence interval ranged from -2.01 to 0.13 mg/dl. The mean difference between laboratory plasma urea and Uf-urea from the biosensor was on average -1.9 mg/dl and the estimated limits of agreement with a confidence of 95% were -3.16 and 0.64 mg/dl. Comparison between kinetic models and experimental profiles of plasma urea decrease, evaluations of recirculation and post-dialytic rebound, the role of Kt/V on-line during dialysis were the preliminary clinical applications of this biosensor.

Convergent validation of a questionnaire to assess the mode and frequency of commuting to and from school

2017 ◽  
Vol 45 (6) ◽  
pp. 612-620 ◽  
Author(s):  
Palma Chillón ◽  
Manuel Herrador-Colmenero ◽  
Jairo H. Migueles ◽  
Verónica Cabanas-Sánchez ◽  
Jorge R. Fernández-Santos ◽  
...  
Keyword(s):  
Physical Activity ◽  
Convergent Validity ◽  
Vigorous Physical Activity ◽  
Mean Difference ◽  
Activity Levels ◽  
Limits Of Agreement ◽  
Google Maps ◽  
Journey Time ◽  
The Mean ◽  
Convergent Validation

Aims: The purposes of this research were to study the convergent validity of the Mode and Frequency of Commuting To and From School Questionnaire using objectively assessed steps and time spent in different physical activity intensities and to compare the self-reported versus objective journey time in Spanish youths. Methods: Three hundred and eighty-nine Spanish youth aged 7–19 years were asked to complete the questionnaire and wore an accelerometer for five days. The objective commuting distance and time from home to school were estimated using Google MapsTM. Results: There were significant differences between passive and walking participants on step numbers, sedentary time and physical activity levels (except for vigorous physical activity in children). For children, a mean difference of −4.03 minutes between objective measured and self-reported journey time was found (95% limits of agreement were 13.55 and −21.60 minutes). For adolescents, the mean difference was −1.39 minutes (95% limits of agreement were 15.23 and −18.02 minutes). Conclusions: The findings indicated that the Mode of Commuting To and From School Questionnaire showed a convergent validity to assess this behaviour in Spanish youths. Self-reported journey time for walking is comparable to Google MapsTM in adolescents but not in children.

scholarly journals Resting energy expenditure measured longitudinally following hip fracture compared to predictive equations: is an injury adjustment required?

2005 ◽  
Vol 94 (6) ◽  
pp. 976-982 ◽  
Author(s):  
Michelle D. Miller ◽  
Lynne A. Daniels ◽  
Elaine Bannerman ◽  
Maria Crotty
Keyword(s):  
Hip Fracture ◽  
Energy Expenditure ◽  
Total Energy ◽  
Physiological Stress ◽  
Resting Energy Expenditure ◽  
Mean Difference ◽  
Limits Of Agreement ◽  
Predictive Equations ◽  
The Mean ◽  
Resting Energy

The present study measuring resting energy expenditure (REE; kJ/d) longitudinally using indirect calorimetry in six elderly women aged ≥70 years following surgery for hip fracture, describes changes over time (days 10, 42 and 84 post-injury) and compares measured values to those calculated from routinely applied predictive equations. REE was compared to REE predicted using the Harris Benedict and Schofield equations, with and without accounting for the theoretical increase in energy expenditure of 35 % secondary to physiological stress of injury and surgery. Mean (95 % CI) measured REE (kJ/d) was 4704 (4354, 5054), 4090 (3719, 4461) and 4145 (3908, 4382) for days 10, 42 and 84, respectively. A time effect was observed for measured REE,P=0·003. Without adjusting for stress the mean difference and 95 % limits of agreement for measured and predicted REE (kJ/kg per d) for the Harris Benedict equation were 1 (−9, 12), 10 (2, 18) and 9 (1, 17) for days 10, 42 and 84, respectively. The mean difference and 95 % limits of agreement for measured and predicted REE (kJ/kg per d) for the Schofield equation without adjusting for stress were 8 (−3, 19), 16 (6, 26) and 16 (10, 22) for days 10, 42 and 84, respectively. After adjusting for stress, REE predicted from the Harris Benedict or Schofield equations overestimated measured REE by between 38 and 69 %. Energy expenditure following fracture is poorly understood. Our data suggest REE was relatively elevated early in recovery but declined during the first 6 weeks. Using the Harris Benedict or Schofield equations adjusted for stress may lead to overestimation of REE in the clinical setting. Further work is required to evaluate total energy expenditure before recommendations can be made to alter current practice for calculating theoretical total energy requirements of hip fracture patients.

Rectal and Bladder Temperatures vs Forehead Core Temperatures Measured With SpotOn Monitoring System

2018 ◽  
Vol 27 (1) ◽  
pp. 43-50 ◽  
Author(s):  
Hildy M. Schell-Chaple ◽  
Kathleen D. Liu ◽  
Michael A. Matthay ◽  
Kathleen A. Puntillo
Keyword(s):  
Heat Flux ◽  
Critical Care ◽  
Intensive Care ◽  
Body Temperature ◽  
Urinary Bladder ◽  
Core Temperature ◽  
Continuous Monitoring ◽  
Limits Of Agreement ◽  
The Mean ◽  
Critical Care Patients

BackgroundMethods and frequency of temperature monitoring in intensive care unit patients vary widely. The recently available SpotOn system uses zero-heat-flux technology and offers a noninvasive method for continuous monitoring of core temperature of critical care patients at risk for alterations in body temperature.ObjectiveTo evaluate agreement between and precision of a zero-heat-flux thermometry system (SpotOn) and continuous rectal and urinary bladder thermometry during fever and defervescence in adult patients in intensive care units.MethodsProspective comparison of SpotOn vs rectal and urinary bladder thermometry in eligible patients enrolled in a randomized clinical trial on the effect of acetaminophen on core body temperature and hemodynamic status.ResultsA total of 748 paired temperature measurements from 38 patients who had both SpotOn monitoring and either continuous rectal or continuous bladder thermometry were analyzed. Temperatures during the study were from 36.6°C to 39.9°C. The mean difference for SpotOn compared with bladder thermometry was −0.07°C (SD, 0.24°C; 95% limits of agreement, ± 0.47°C [−0.54°C, 0.40°C]). The mean difference for SpotOn compared with rectal thermometry was −0.24°C (SD, 0.29°C; 95% limits of agreement, ± 0.57°C [−0.81°C, 0.33°C]). Most differences in temperature between methods were within ± 0.5°C in both groups (96% bladder and 85% rectal).ConclusionsThe SpotOn thermometry system has excellent agreement and good precision and is a potential alternative for noninvasive continuous monitoring of core temperature in critical care patients, especially when alternative methods are contraindicated or not available.

Inter- and intra-operator variability associated with extracapsular suture tensioning

2012 ◽  
Vol 25 (06) ◽  
pp. 472-477 ◽  
Author(s):  
E. A. Buffa ◽  
A. M. Marchevsky ◽  
J. Heller ◽  
A. P. Moores ◽  
M. Farrell ◽  
...  
Keyword(s):  
Ex Vivo ◽  
Cruciate Ligament ◽  
Mean Difference ◽  
Marked Variation ◽  
Limits Of Agreement ◽  
Cranial Cruciate Ligament ◽  
Suture Tension ◽  
Clinical Consequences ◽  
The Mean ◽  
The Difference

SummaryObjectives: To determine inter- and intra- operator variability associated with extracapsular suture tensioning as performed during lateral fabello-tibial suture placement.Study design: Ex vivo study.Methods: Fifteen Greyhound cadaveric pelvic limbs were prepared by cutting the cranial cruciate ligament and placing an extracapsular fabello-tibial suture. On two occasions, three surgeons tensioned the extracapsular suture of each stifle. Stifles were returned to 135 degrees of flexion and the suture tension was measured using a commercially available suture tensioner with inbuilt tensiometer.Statistical analysis: Intra-operator and inter-operator agreement were assessed using the limits of agreement method. A linear mixed effects model was specified to assess the effect of operator, repeated estimates and stifle order on tension applied.Results: The mean difference within the three operators ranged from 0 to 14.7N. With 95% limits of agreement, on most occasions for all three operators, the difference was between –31.7 and 41.0 N. The mean difference between the three operators ranged from 6.0 to 30.7 N. With 95% limits of agreement, on most occasions the difference between operators was between –25.6 and 62.5 N.Clinical significance: Marked variation exists in the tension applied during fabello- tibial suture application, both within and between surgeons. This variation may lead to inconsistent clinical outcomes. Further studies are required to determine the clinical consequences of this marked variation in extracapsular suture tensioning.

scholarly journals COMPARISON BETWEEN RECTAL AND BODY SURFACE TEMPERATURES OBTAINED BY DIGITAL AND NON-CONTACT INFRARED THERMOMETER IN SOME LARGE ANIMAL SPECIES

2019 ◽  
Vol 7 (8) ◽  
pp. 62-68
Author(s):  
Mera Usman Muhammed ◽  
Mayaki Abubakar Musa ◽  
Gambo Abdulrahman Abdullahi
Keyword(s):  
Animal Species ◽  
Large Animal ◽  
Altman Analysis ◽  
Limits Of Agreement ◽  
Infrared Thermometer ◽  
Bland Altman Analysis ◽  
The Face ◽  
Body Temperature Measurement ◽  
The Mean ◽  
The Moment

This study was carried out to compare the digital rectal (DR) thermometer with non-contact infrared thermometer (IRT) measurements at two locations on the face in some large animal species. Two hundred and forty (240) animals comprising of equal numbers of three species (cattle, camel and horses) of varying age and either sex was used. The IR temperature was taken from two sites [frontal (FIRT) and temporal (TIRT) region] on the animal face. The mean IR temperatures (FIRT and TIRT) were higher than the RT in all the animal species. The two thermometers correlate poorly in all the animal species. Bland-Altman analysis showed high biases and limits of agreement not acceptable for clinical purposes. In conclusion, IRT seems to offer a quick and easy way to determine the animal temperature but clinically it cannot be used interchangeably with DR thermometer at the moment for body temperature measurement in these animal species.

scholarly journals Comparison of Two Techniques of Superior Vena Cava Flow Measurement in Preterm Infants With Birth Weight <1,250 g in the Transitional Period—Prospective Observational Cohort Study

2021 ◽  
Vol 9 ◽  
Author(s):  
Jan Miletin ◽  
Zbynek Stranak ◽  
Niamh Ó Catháin ◽  
Jan Janota ◽  
Jana Semberova
Keyword(s):  
Birth Weight ◽  
Flow Measurement ◽  
Superior Vena ◽  
Vena Cava ◽  
Observational Cohort Study ◽  
Mean Difference ◽  
Prospective Observational Cohort Study ◽  
Limits Of Agreement ◽  
Observational Cohort ◽  
The Mean

Objectives: Superior Vena Cava (SVC) flow in neonates measured by the standard approach has been validated by different groups around the world. The modified SVC flow measurement technique was recently suggested. The aim of our study was to evaluate standard and modified technique of echocardiography SVC flow measurement in a cohort of extremely preterm neonates in the immediate postnatal period.Methods: Prospective, observational cohort study in a level III neonatal center. Infants with birth weight &lt;1,250 g were eligible for enrolment. SVC flow was measured by echocardiography using standard and modified methods at 6, 18 and 36 h of age. Our primary outcome was equivalency (using raw bounds of −20 to +20 mL/kg/min difference between the paired measurements), agreement and correlation between standard and modified methods of the SVC flow measurements.Results: Thirty-nine infants were enrolled. The mean gestational age of the cohort was 27.4 (SD 2.1) weeks of postmenstrual age, the mean birth weight was 0.95 kg (SD 0.2). The measurements at 6 and 36 h of age were equivalent as defined in the design of the study (p = 0.003 and p = 0.004 respectively; raw bounds −20 to +20 mL/kg/min). At 6 h of age the mean difference (bias) between the measurements was −0.8 mL/kg/min with 95% limits of agreement −65.0 to 63.4 mL/kg/min. At 18 h of age, the mean difference (bias) between the measurements was +9.5 mL/kg/min, with 95% limits of agreement −79.6 to 98.7 mL/kg/min. At 36 h of age the mean difference (bias) between the measurements was −2.2 mL/kg/min with 95% limits of agreement −73.4 to 69.1 mL/kg/min. There was a weak, but statistically significant correlation between the standard and modified method at 6 h of age (r = 0.39, p = 0.04).Conclusion: Both SVC flow echocardiography measurement techniques yielded clinically equivalent results, however due to wide limits of agreement and poor correlation they do not seem to be interchangeable.

scholarly journals Accuracy of the BoMED NCCOM3 Bioimpedance Cardiac Output Monitor during Induced Hypotension: An Experimental Study in Dogs

1992 ◽  
Vol 20 (3) ◽  
pp. 326-331 ◽  
Author(s):  
J. Tibballs ◽  
M. Hochmann ◽  
A. Osborne ◽  
B. Carter
Keyword(s):  
Cardiac Output ◽  
Resting State ◽  
Cardiac Cycle ◽  
Mean Difference ◽  
The Other ◽  
Limits Of Agreement ◽  
Induced Hypotension ◽  
Electrical Bioimpedance ◽  
The Mean ◽  
Cardiac Output Monitor

Changes in thoracic electrical bioimpedance during the cardiac cycle are utilised by the BoMed NCCOM3 monitor to measure cardiac output (COTEB). The technique provides a continuous noninvasive measurement but it has not been widely accepted. To determine the accuracy of the monitor, we compared its measurement with cardiac output measured by dye dilution (COdd) during induced hypotension and recovery in 23 dogs. After calibration of the NCCOM3 monitor during a resting state in each dog [mean blood pressure 112 ± 17 (SD), mean CODD 3.22 ± 0.99 l/min], the mean difference (COTEB-CODD) between paired measurements at the nadir of hypotension (bloodpressure 55 ± 24 mmHg) was 0.29 ± 0.47 l/min whose limits of agreement (mean difference ± 2 SD) were + 111.8% and -59.1% of the mean hypotensive COdd (110 ± 0.66 l/min). Upon recovery from hypotension (mean blood pressue 102 ± 20 mmHg), the mean difference between paired measurements was -0.28 ± 0.66 l/min, whose limits of agreement were +44.1% and -67.8% of the mean CODD (2.36 ± 1.01 l/min). The mean difference between the two techniques is too variable and excessive to permit substitution of one technique for the other. These results do not support the accuracy and reliability of the BoMed NCCOM3 cardiac output monitor.

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