1040 Use of doppler ultrasound and infrared thermography to evaluate scrotal insulation in Braford bulls

2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 498-499
Author(s):  
F. A. Barca Junior ◽  
C. Koetz Junior ◽  
G. R. Pereira ◽  
S. R. Menegassi ◽  
F. Morotti ◽  
...  
Keyword(s):  
Infrared Thermography ◽  
Doppler Ultrasound ◽  
Scrotal Insulation

scholarly journals Infrared thermography and Doppler ultrasonography to evaluate the effects of scrotal insulation on testicular blood flow dynamics in bulls

2020 ◽  
Vol 41 (4) ◽  
pp. 1267
Author(s):  
Flávio Antonio Barca Junior ◽  
Celso Koetz Junior ◽  
Patrícia da Cruz Fávaro ◽  
Gabriel Ribas Pereira ◽  
Silvio Renato Oliveira Menegassi ◽  
...  
Keyword(s):  
Blood Flow ◽  
Flow Velocity ◽  
Infrared Thermography ◽  
Blood Flow Velocity ◽  
Doppler Ultrasonography ◽  
Sperm Quality ◽  
Control Group ◽  
Scrotal Temperature ◽  
Testicular Blood Flow ◽  
Scrotal Insulation

The aim of this study was to evaluate the dynamics of the scrotal temperature, sperm quality and testicular blood flow by using infrared thermography and Doppler ultrasonography in bulls submitted to scrotal insulation. Braford bulls (n = 8) at 18 months of age, were assigned into the following groups: insulated for 72 h (G 72; n = 2), 96 h (G 96, n = 2), 120 h (G 120, n = 2), and control animals (CON; n = 2) that remained without insulation. Infrared thermography and Doppler ultrasonography parameters were measured at four different time points: immediately after the scrotal insulation (M0), within 10 min (M10), 30 min (M30) and 60 min (M60) after scrotal insulation. The sperm quality was evaluated weekly (S1/S12). The data were analyzed by ANOVA, t-test (paired) and Pearson's correlation with a significance level of 5%. None of the observed variables were different between the insulated groups (P > 0.05). Insulated animals showed higher scrotal temperature in M0 compared to that in the M10, M30 and M60 periods (P < 0.05). There was no difference in the pulsatility and resistive indexes after scrotal insulation. However, blood flow velocity was higher in M10 compared to that in the M0, M30 and M60 periods (P < 0.05). The sperm quality was higher (P < 0.05) in all twelve collections from the control group compared with the insulated groups. Scrotal insulation resulted in changes in the sperm quality, scrotal temperature and testicular blood flow velocity.

Infrared thermography as a noninvasive method to assess scrotal insulation on sperm production in beef bulls

Andrologia ◽  
2017 ◽  
Vol 50 (3) ◽  
pp. e12904 ◽  
Author(s):  
S. R. O. Menegassi ◽  
G. R. Pereira ◽  
E. A. Dias ◽  
M. K. Rocha ◽  
H. R. Carvalho ◽  
...  
Keyword(s):  
Infrared Thermography ◽  
Noninvasive Method ◽  
Sperm Production ◽  
Beef Bulls ◽  
Scrotal Insulation

Is Colour Doppler Ultrasound a Sensitive Screening Method in Diagnosing Deep Vein Thrombosis after Hip Surgery ?

1996 ◽  
Vol 75 (02) ◽  
pp. 242-245 ◽  
Author(s):  
Marie Magnusson ◽  
Bengt I Eriksson ◽  
Peter Kãlebo ◽  
Ramon Sivertsson
Keyword(s):  
Deep Vein Thrombosis ◽  
High Risk ◽  
Doppler Ultrasound ◽  
Predictive Value ◽  
Screening Method ◽  
Colour Doppler ◽  
Vein Thrombosis ◽  
Colour Doppler Ultrasound ◽  
Asymptomatic Patients ◽  
Deep Vein

SummaryPatients undergoing orthopedic surgery are at high risk of developing deep vein thrombosis. One hundred and thirty-eight consecutive patients undergoing total hip replacement or hip fracture surgery were included in this study. They were surveilled with colour Doppler ultrasound (CDU) and bilateral ascending contrast phlebography. The prevalence of proximal and distal DVT in this study was 5.8% and 20.3% respectively.CDU has a satisfactory sensitivity in patients with symptomatic deep vein thrombosis, especially in the proximal region. These results could not be confirmed in the present study of asymptomatic patients. The sensitivity was 62.5% (95% confidence interval: C.I. 24-91%) and the specificity 99.6% (C.I. 98-100%) for proximal DVT; 53.6% (C.I. 34-73%) and 98% (C.I. 96-99%) respectively for distal thrombi. The overall sensitivity was 58.1% (C.I. 39-75%) and the specificity 98% (C.I. 96-99%). The positive predictive value was 83.3% (C.I. 36-99%) and 75% (C.I. 51-91%) for proximal and distal DVT respectively. The negative predictive value was 98.9% (C.I. 98-100%) and 94.9% (C.I. 92-98%) for proximal and distal DVT respectively. The results of this study showed that even with a highly specialised and experienced investigator the sensitivity of CDU was too low to make it suitable for screening purposes in a high risk surgical population.

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