The transverse facial venous sinus: an alternative location for blood collection in the horse

Walesby, Honor A.; Hillmann, Daniel J.; Blackmer, Jeff; Williams, Jamie

doi:10.2746/095777307x182284

Cited by 5 publications

(4 citation statements)

References 2 publications

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“…We found strong agreement between the PCV and TS values in all comparisons. These results supplement those reported by Walesby et al, who found high correlation and agreement between the PCV and TS values in blood collected from the JV compared with blood collected from the TFVS . The reliability of the measurements is indicated by the high intraclass correlations reported by Walesby et al…”

Section: Discussionsupporting

confidence: 88%

“…A study containing a description of the technique for collecting blood from the TFVS in horses found high correlation between the JV and TFVS in the measurement of PCV and TS (r = 0.996 and 0.997, respectively) . To the best of our knowledge, no study in horses has examined the differences in PCV and TS values in samples obtained from three different blood collecting sites (i.e.…”

mentioning

confidence: 99%

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Agreement among three different equine venipuncture sites with regard to measurement of packed cell volume and total solids

Dahan

Oreff

et al. 2015

Aust Veterinary J

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The primary objective of this study was to determine the agreement between the packed cell volume (PCV) and total solids (TS) values in blood collected from the jugular vein (JV) in comparison with the cephalic vein (CV) and the transverse facial venous sinus (TFVS) in healthy adult horses. A total of 72 samples were taken from 24 horses. We found high agreement that reflects no clinically relevant differences between the PCV and TS values obtained from the CV or the TFVS in comparison with the JV in standing healthy adult horses.

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Section: Discussionsupporting

confidence: 88%

mentioning

confidence: 99%

Agreement among three different equine venipuncture sites with regard to measurement of packed cell volume and total solids

Dahan

Oreff

et al. 2015

Aust Veterinary J

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“…To spare the jugular vein, the transverse facial venous sinus (TFVS) has been proposed as an alternative blood sampling site in the horse , but there is limited information on the accuracy with which the systemic circulation is represented by blood from this site. Packed cell volume (PCV) and total solids (TS) in samples from the TFVS are reportedly comparable to those in jugular blood, but the health status of horses in that study was not reported .…”

Section: Introductionmentioning

confidence: 99%

“…Blood gas parameters from TFVS blood reportedly reflect jugular blood in healthy horses, but similar information in critically ill horses are unavailable . Use of the TFVS for multiple blood collections in one day has been recommended , but haematomas may form over the site with multiple sample collections in the experience of these authors. The effect of serial sampling and haematoma formation on blood parameters from the TFVS has not been reported in healthy or critically ill horses.…”

Section: Introductionmentioning

confidence: 99%

Comparison of transverse facial venous sinus and jugular blood values in healthy and critically ill horses

Hunter

Schlipf

Cebra

2013

Equine Veterinary Journal

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SummaryReasons for performing study: The transverse facial venous sinus (TFVS) can be used for blood collection in horses, but information on the validity of blood values from this site is limited. Objectives: To determine if packed cell volume (PCV), total solids (TS) and blood lactate concentrations in blood drawn simultaneously from a TFVS and jugular vein of critically ill horses are correlated and determine the effect of serial TFVS sampling on the same parameters in healthy horses. Study design: Prospective observational study. Methods: Critically ill horses had simultaneous blood samples drawn from a TFVS and jugular vein. Blood was also drawn from the left TFVS and jugular vein from 6 healthy, adult horses q. 6 h for 24 h, then q. 24 h for 72 h. Blood was drawn from the right TFVS and jugular vein q. 24 h for 96 h. All samples were analysed for PCV, TS and blood lactate concentration. Data were analysed with 2-way repeated measures ANOVA. Significance was set at P≤0.05. Results: There were no significant differences in PCV, TS or blood lactate concentrations of TFVS samples compared with jugular blood in critically ill horses. Serial TFVS sampling in healthy horses had no significant effect on TS or blood lactate concentrations. Although PCV in the TFVS was significantly lower than in jugular blood on serial sampling, the difference was not considered clinically relevant. Conclusions: Packed cell volume, TS and blood lactate concentrations were comparable between the TFVS and jugular vein.

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Venous Blood Collection

Costa¹,

Chapman²

2017

Manual of Clinical Procedures in the Horse

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The transverse facial venous sinus: an alternative location for blood collection in the horse

Cited by 5 publications

References 2 publications

Agreement among three different equine venipuncture sites with regard to measurement of packed cell volume and total solids

Agreement among three different equine venipuncture sites with regard to measurement of packed cell volume and total solids

Comparison of transverse facial venous sinus and jugular blood values in healthy and critically ill horses

Venous Blood Collection

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