Name: brachial artery catheterization in swine
Uploaded: 2019-03-30T13:00:00
Description: Watch this Scientific Journal Video about Brachial Artery Catheterization in Swine at JoVE.com

This work was supported by the Canadian Institutes of Health Research and Canada Foundation for Innovation grant to V. K. Mushahwar. A. Toossi was supported by a Vanier Canada Graduate Scholarship, Alberta Innovates - Health Solutions Graduate Studentship and a Queen Elizabeth II Graduate Scholarship. V.K. Mushahwar is a Canada Research Chair in Functional Restoration. We would like to acknowledge Mr. J. Stack of Moss Street Productions for his help with the audio production and staff of the Surgical Medical Research Institute for their assistance with the procedures.

All procedures on experimental animals described in both the video and manuscript were approved by the Institutional Animal Care and Use Committee of the University of Alberta
1. Surgical anesthesia and surgical preparation of the pigs.
<ol>
	<li>Premedicate 50 kg Landrace-Yorkshire commercial pigs intramuscularly with the anesthetic drug cocktail containing ketamine hydrochloride (22 mg/kg,), xylazine hydrochloride (2.2 mg/kg) and glycopyrrolate hydrochloride (10 &#181;g/kg).</li>
	<li>Set ...

<ol>
	<li>Uwiera, R. R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Plasmid+DNA+induces+increased+lymphocyte+trafficking:+a+specific+role+for+CpG+motifs.">Plasmid DNA induces increased lymphocyte trafficking: a specific role for CpG motifs.</a> Cellular Immunology. 214 (2), 155-164 (2001).</li><li>Uwiera, R. R., Kastelic, J. P., Inglis, G. D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Catheterization+of+intestinal+loops+in+ruminants.">Catheterization of intestinal loops in ruminants.</a> Journal of Visualized Experiments. (28), (2009).</li><li>Uwiera, R. R., Mangat, R., Kelly, S., Uwiera, T. C., Proctor, S. 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M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Equine+anaesthesia-associated+mortality:+where+are+we+now?.">Equine anaesthesia-associated mortality: where are we now?.</a> Veterinay Anaesthesia Analgesia. 43 (3), 242-255 (2016).</li><li>McGrotty, Y., Brown, A. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Blood+gases,+electrolytes+and+interpretation+1.+Blood+gases.">Blood gases, electrolytes and interpretation 1. Blood gases.</a> In Practice. 35 (2), 59-65 (2013).</li><li>Taylor, P. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Techniques+and+clinical+application+of+arterial+blood+pressure+measurement+in+the+horse.">Techniques and clinical application of arterial blood pressure measurement in the horse.</a> Equine Veterinary Journal. 13, 271-275 (1981).</li><li>Trim, C. M., Hofmeister, E. H., Quandt, J. E., Shepard, M. 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M., Beckett, S. D., Branch, C. E., McDaniel, G. R., Patterson, R. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Cardiovascular+Responses+in+Turkeys+as+Affected+by+Diurnal+Variation+and+Stressor.">Cardiovascular Responses in Turkeys as Affected by Diurnal Variation and Stressor.</a> Poultry Science. (60), 462-468 (1981).</li><li>Bass, L. M., Yu, D. Y., Cullen, L. K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Comparison+of+femoral+and+auricular+arterial+blood+pressure+monitoring+in+pigs.">Comparison of femoral and auricular arterial blood pressure monitoring in pigs.</a> Veterinay Anaesthesia Analgesia. 36 (5), 457-463 (2009).</li><li>Karnabatidis, D., Katsanos, K., Diamantopoulous, A., Kagadis, G. C., Siablis, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Transauricular+arterial+or+venous+access+for+cardiovascular+experimental+protocols+in+animals.">Transauricular arterial or venous access for cardiovascular experimental protocols in animals.</a> Journal of Vascular and Interventional Radiology. 17 (11 Pt 1), 1803-1811 (2006).</li><li>Namba, K., Kawamura, Y., Higaki, A., Nemoto, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Percutaneous+medial+saphenous+artery+approach+for+Swine+central+artery+access.">Percutaneous medial saphenous artery approach for Swine central artery access.</a> Journal of Investigative Surgery. 26 (6), 360-363 (2013).</li><li>Hong, Y., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Feasibility+of+Selective+Catheter-Directed+Coronary+Computed+Tomography+Angiography+Using+Ultralow-Dose+Intracoronary+Contrast+Injection+in+a+Swine+Model.">Feasibility of Selective Catheter-Directed Coronary Computed Tomography Angiography Using Ultralow-Dose Intracoronary Contrast Injection in a Swine Model.</a> Investigative Radiology. (50), 449-455 (2015).</li><li>Kumar, A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Aortic+root+catheter-directed+coronary+CT+angiography+in+swine:+coronary+enhancement+with+minimum+volume+of+iodinated+contrast+material.">Aortic root catheter-directed coronary CT angiography in swine: coronary enhancement with minimum volume of iodinated contrast material.</a> American Journal of Roentgenology. (188), W415-W422 (2007).</li><li>Park, J. H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Safety+and+Efficacy+of+an+Aortic+Arch+Stent+Graft+with+Window-Shaped+Fenestration+for+Supra-Aortic+Arch+Vessels:+an+Experimental+Study+in+Swine.">Safety and Efficacy of an Aortic Arch Stent Graft with Window-Shaped Fenestration for Supra-Aortic Arch Vessels: an Experimental Study in Swine.</a> Korean Circulation Journal. 47 (2), 215-221 (2017).</li><li>Carniato, S., Mehra, M., King, R. M., Wakhloo, A. K., Gounis, M. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Porcine+brachial+artery+tortuosity+for+in+vivo+evaluation+of+neuroendovascular+devices.">Porcine brachial artery tortuosity for in vivo evaluation of neuroendovascular devices.</a> American Journal of Neuroradiology. 34 (4), E36-E38 (2013).</li><li>Hannon, J. P., Bossone, C. A., Wade, C. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Normal+Physiological+Values+for+Consious+pigs+used+in+Biomedical+Research.">Normal Physiological Values for Consious pigs used in Biomedical Research.</a> Laboratory Animal Science. 40, 293-298 (1990).</li><li>Nijland, M. J., Shankar, U., Iyer, V., Ross, M. G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Assessment+of+fetal+scalp+oxygen+saturation+determination+in+the+sheep+by+transmission+pulse+oximetry.">Assessment of fetal scalp oxygen saturation determination in the sheep by transmission pulse oximetry.</a> American Journal of Obstetrics and Gynecology. 183 (6), 1549-1553 (2000).</li><li>Yawno, T., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Human+Amnion+Epithelial+Cells+Protect+Against+White+Matter+Brain+Injury+After+Repeated+Endotoxin+Exposure+in+the+Preterm+Ovine+Fetus.">Human Amnion Epithelial Cells Protect Against White Matter Brain Injury After Repeated Endotoxin Exposure in the Preterm Ovine Fetus.</a> Cell Transplantation. 26 (4), 541-553 (2017).</li><li>Amaya, K. E., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Accelerated+acidosis+in+response+to+variable+fetal+heart+rate+decelerations+in+chronically+hypoxic+ovine+fetuses.">Accelerated acidosis in response to variable fetal heart rate decelerations in chronically hypoxic ovine fetuses.</a> American Journal of Obstetrics and Gynecology. 214 (2), e270-e271 (2016).</li><li>Malavasi, L. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> Swine. Anesthesia and Analgesia for Domestic Species. , (2015).</li><li>Moon, P. F., Smith, L. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=General+Anesthetic+Techniques+in+Swine.">General Anesthetic Techniques in Swine.</a> Veterinary Clinics of North America: Food Animal Practice. 12 (3), 663-691 (1996).</li><li>Caramoni, P. R. A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Postangioplasty+restenosis:+a+practical+model+in+the+porcine+carotid+artery.">Postangioplasty restenosis: a practical model in the porcine carotid artery.</a> Brazilian Journal of Medical and Biological Research. (30), 1087-1091 (1997).</li><li>Sisson, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> The Anatomy of the Domestic Animals. , 636-638 (1930).</li><li>Lundeed, A. B., Manohar, M., Parks, C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Systemic+distribution+of+blood+flow+in+swine+while+awake+and+during+1.0+and+1.5+MAC+isoflurane+anesthesia+with+or+without+50%+nitrous+oxide.">Systemic distribution of blood flow in swine while awake and during 1.0 and 1.5 MAC isoflurane anesthesia with or without 50% nitrous oxide.</a> Anesthesia and Analgesia. 31, 499-512 (1983).</li><li>Sisson, S. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=.">.</a> The Anatomy of the Domestic Animals. , 302-304 (1930).</li><li>Adin, C. A., Gregory, C. R., Adin, D. B., Cowgill, L. D., Kyles, A. 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W. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Comparison+of+indirect+and+direct+blood+pressure+monitoring+in+normotensive+swine.">Comparison of indirect and direct blood pressure monitoring in normotensive swine.</a> Research in Veterinary Science. 95 (2), 699-702 (2013).</li><li>Wenzel, K., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Survey+of+Effects+of+Anesthesia+Protocols+on+Hemodynamic+Variables+in+Porcine+Cardiopulmonary+Resuscitation+Laboratory+Models+Before+Induction+of+Cardiac+Arrest.">Survey of Effects of Anesthesia Protocols on Hemodynamic Variables in Porcine Cardiopulmonary Resuscitation Laboratory Models Before Induction of Cardiac Arrest.</a> Comparative Medicine. 50 (6), 644-648 (2000).</li><li>Duval, J. D., Pang, J. M., Boysen, S. R., Caulkett, N. 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Arterial catheterization to measure arterial blood pressures and collect blood samples for arterial blood gas measurements has been established in a wide range of animal species5,6,7,8,9,10,11,12,13,<sup class="...

Surgical intervention is used in experimental research to develop animal models that enhance scientific development. The scientific literature is filled with examples of novel surgical animal models1,2,3. Surgical procedures are a complex process involving not only the manipulation of anatomical structures but also complicated physiological interactions with various drugs required for anesthesia and analgesia. This interplay can induce major changes in physiological processes within the animal and as such requires vigilant monitoring of the animal4. Clinically successful surgical outcomes have been associated with measurements of arterial blood gases and arterial blood pressures5. These clinical parameters require the ability to measure arterial blood pressure and collect arterial blood effectively, which in turn requires the successful catheterization of an artery6,7.
Arterial catheterization to collect arterial blood and measure pressure has been used in various animal species5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21 and in animals at different ages of development19,20,21 and has been directed at both recovery (clinical and diagnostic) procedures4,5,6,7,8 and non-recovery (experimental) procedures14,15,16,17,18. Moreover, the ease of arterial access and the location of the artery in the context of the surgical procedure are also important considerations when choosing an artery for arterial blood measurements. For example, the median caudal artery in dogs and the facial artery in horses, as well as the pedal artery in both dogs and horses, are used for diagnostic measurement and monitoring during recovery procedures6,7,8. In contrast, the carotid and femoral arteries are often catheterized in swine for either non-recovery or long-term catheter implantation experiments14,15,18.
In swine, arterial catheterization to measure either arterial blood pressure or collect arterial blood has routinely employed either the carotid, femoral, medial saphenous, or auricular arteries22,23. For specialized non-routine procedures, other more unusual arteries have been used, including the subclavian and iliac arteries, to measure the brachial artery anatomical tortuosity17 and image the aorta16, respectively. Regardless of which artery is chosen for catheterization, each artery has inherent advantages and disadvantages for its use. For instance, the auricular artery is anatomically easy to access, but its use may be limited to its close proximity to the marginal ear veins11,12. In comparison, the carotid artery is relatively large and robust24, but it lies deep within the jugular furrow and requires substantive tissue dissection25. As such, identifying another artery that could be catheterized to measure arterial pressure and collect arterial blood is warranted. This video and manuscript describe in detail the catheterization of the distal brachial artery in swine, a technique that could be applied to non-recovery procedures. Notably, the pig brachial artery catheterization was used to measure arterial blood pressures and arterial blood gas parameters during a lumbar spine surgery with hind limb measurements (the data from this part of the surgery is not presented).

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	<tbody>
		<tr height="20">
			<td height="20" style="height:20px;width:252px;">0.9% NaCl (Saline) Solution</td>
			<td style="width:122px;">EMRN</td>
			<td style="width:123px;">JB1322P</td>
			<td style="width:250px;">1 x1 liter bag</td>
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			<td height="20" style="height:20px;width:252px;">10% Lidocaine spray</td>
			<td style="width:122px;">AstraZeneca</td>
			<td style="width:123px;"></td>
			<td style="width:250px;">DIN:02039508 / 1 x&#160; 50 ml&#160; bottle</td>
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			<td height="20" style="height:20px;width:252px;">10% Povidone-Iodine scrub</td>
			<td style="width:122px;">Purdue Pharma</td>
			<td style="width:123px;">521232</td>
			<td style="width:250px;">1 x 500 ml bottle&#160;</td>
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			<td height="40" style="height:40px;width:252px;">20 ga 1-inch angiocatheter</td>
			<td style="width:122px;">Becton Dickinson</td>
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			<td style="width:250px;">1 x angiocatheter</td>
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			<td height="20" style="height:20px;width:252px;">2-0 polyglactin suture (Vicryl)</td>
			<td style="width:122px;">Ethicon</td>
			<td style="width:123px;">J339H</td>
			<td style="width:250px;">2-0 vicryl / 1 packet of suture</td>
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			<td height="40" style="height:40px;width:252px;">2-0 polypropylene suture (Prolene)&#160;</td>
			<td style="width:122px;">Ethicon</td>
			<td style="width:123px;">8833H</td>
			<td style="width:250px;">2-0 prolene / 1 packet of suture</td>
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		<tr height="40">
			<td height="40" style="height:40px;width:252px;">22 ga 1-inch angiocatheter</td>
			<td style="width:122px;">Becton Dickinson</td>
			<td style="width:123px;">381423</td>
			<td style="width:250px;">1 x angiocatheter</td>
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		<tr height="20">
			<td height="20" style="height:20px;width:252px;">9 ID mm endotracheal tube</td>
			<td style="width:122px;">Jorvet</td>
			<td style="width:123px;">J0835P</td>
			<td style="width:250px;">1 x endotracheal tube</td>
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			<td height="40" style="height:40px;width:252px;">Arterial blood pressure IV line</td>
			<td style="width:122px;">Argon Medical Devices</td>
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			<td style="width:250px;">1 x arterial blood pressure IV line</td>
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			<td style="width:250px;">4-8 x disposable drapes&#160;</td>
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			<td height="20" style="height:20px;width:252px;">Glycopyrrolate hydrochloride&#160;</td>
			<td style="width:122px;">Sandoz</td>
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			<td style="width:250px;">DIN:02039508 / 1 x 20ml vial</td>
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			<td height="40" style="height:40px;width:252px;">Isoflurane</td>
			<td style="width:122px;">Abbott Animal&#160; Health</td>
			<td style="width:123px;">05260-5</td>
			<td style="width:250px;">1 x 250ml bottle</td>
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			<td height="20" style="height:20px;width:252px;">Kelly forceps-curved (14cm)</td>
			<td style="width:122px;">Stevens</td>
			<td style="width:123px;">162-7-38</td>
			<td style="width:250px;">8-10&#160; instruments</td>
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			<td height="20" style="height:20px;width:252px;">Ketamine hydrochloride</td>
			<td style="width:122px;">Vetoquinol</td>
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			<td style="width:250px;">DIN:02374994 / 1 x 10ml vial</td>
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			<td height="21" style="height:21px;width:252px;">Lactated Ringer&#39;s Solution</td>
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			<td style="width:123px;">0409-7953-09</td>
			<td style="width:250px;">4 x1 liter bag</td>
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			<td height="20" style="height:20px;width:252px;">Metzenbaum scissors</td>
			<td style="width:122px;">Fine Science</td>
			<td style="width:123px;">14518-18</td>
			<td style="width:250px;"></td>
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		<tr height="21">
			<td height="21" style="height:21px;width:252px;">Miller laryngoscope blade</td>
			<td style="width:122px;">Welch Allyn</td>
			<td style="width:123px;">68044</td>
			<td style="width:250px;">182 mm length&#160; / 1 instrument</td>
		</tr>
		<tr height="20">
			<td height="20" style="height:20px;width:252px;">Nasal temperature probe</td>
			<td style="width:122px;">Surgivet</td>
			<td style="width:123px;">V3417</td>
			<td style="width:250px;">1 probe</td>
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			<td style="width:122px;">Stevens</td>
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			<td style="width:250px;">2 instruments</td>
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			<td height="20" style="height:20px;width:252px;">Q tip applicators</td>
			<td style="width:122px;">Fisher Scientific</td>
			<td style="width:123px;">22-037-960</td>
			<td style="width:250px;">20-40&#160; app</td>
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			<td height="20" style="height:20px;width:252px;">Remifentanil hydrochloride</td>
			<td style="width:122px;">TEVA</td>
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			<td style="width:250px;">DIN:0234432 / 1 mg vial</td>
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			<td height="40" style="height:40px;width:252px;">Surgivet advisor: Vital signs monitor</td>
			<td style="width:122px;">Surgivet</td>
			<td style="width:123px;">V9203</td>
			<td style="width:250px;">1 monitor</td>
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			<td height="21" style="height:21px;width:252px;">Weitlaner retractor</td>
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			<td style="width:123px;">162-11-602</td>
			<td style="width:250px;">&#160;2 retractors</td>
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			<td style="width:122px;">Bayer</td>
			<td style="width:123px;"></td>
			<td style="width:250px;">DIN:02169606 1 x 50ml bottle</td>
		</tr>
	</tbody>
</table>

brachial artery catheterization in swine

The video describes in detail the catheterization of the distal brachial artery in swine. This technique enables researchers to measure arterial blood pressure continuously and collect arterial blood samples to assess arterial blood gas measurements. Arterial blood pressures and arterial blood gases are important physiological parameters to monitor during experimental procedures. In swine, four common methods of arterial catheterization have been described, including catheterization of the carotid, femoral, auricular, and medial saphenous arteries. Each of these techniques have advantages, such as ease of access for the auricular artery, and disadvantages that include deep tissue dissection for carotid artery catheterization. The described alternative method of arterial catheterization in swine, the catheterization of the distal aspect of the brachial artery, is a rapid procedure that requires relatively minimal tissue dissection and provides information that is in line with data collected from other arterial catheterization sites. The procedure uses a medial approach along an oblique plane of the lower brachium, positioned between the olecranon and the flexor aspect of the elbow joint, and this approach allows researchers the major advantage of unimpeded freedom for procedures that involve the caudoventral, caudodorsal back, or hind limbs of the pig. Due to the location of the upper forelimb of the catheterized vessel and potential challenges of effective homeostasis following catheter removal from the artery, this technique may be limited to non-recovery procedures.

Brachial artery catheterization allows for continuous monitoring of arterial blood pressure and intermittent sampling of arterial blood during extended surgical procedures in swine. Measured parameters were collected from seven 50 kg Landrace-Yorkshire commercial pigs as described. The total time required to catheterize the brachial artery was 35.2 &#177; 4.4 min from the initial artery landmarking to final surgical incision closure (Figure 1). The arterial p...

Watch this Scientific Journal Video about Brachial Artery Catheterization in Swine at JoVE.com

Brachial Artery Catheterization in Swine

The video describes in detail the catheterization of the distal brachial artery in swine. This procedure accurately measures arterial blood pressure and is a simple and fast method to collect samples for arterial blood gas measurements.

The video describes in detail the catheterization of the distal brachial artery in swine. This technique enables researchers to measure arterial blood ...

Research

JoVE Journal

Medicine

Basic Surgical Techniques in the G&ouml;ttingen Minipig: Intubation, Bladder Catheterization, Femoral Vessel Catheterization, and Transcardial Perfusion

Basic Surgical Techniques in the GÃƒÆ’Ã‚Â¶ttingen Minipig: Intubation, Bladder Catheterization, Femoral Vessel Catheterization, and Transcardial Perfusion

The emergence of the G&ouml;ttingen minipig in research of topics such as neuroscience, toxicology, diabetes, obesity, and experimental surgery reflects ...

A Swine Model of Neonatal Asphyxia

Annually more than 1 million neonates die worldwide as related to asphyxia. Asphyxiated neonates commonly have multi-organ failure including hypotension, ...

Catheterization of the Carotid Artery and Jugular Vein to Perform Hemodynamic Measures, Infusions and Blood Sampling in a Conscious Rat Model

The success of a small animal model to study critical illness is, in part, dependent on the ability of the model to simulate the human condition. ...

Carotid Artery Infusions for Pharmacokinetic and Pharmacodynamic Analysis of Taxanes in Mice

When proposing the use of a drug, drug combination, or drug delivery into a novel system, one must assess the pharmacokinetics of the drug in the study ...

Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research

The vascular endothelium is a monolayer of cells that cover the interior of blood vessels and provide both structural and functional roles. The ...

A Chronic Cardiac Ischemia Model in Swine Using an Ameroid Constrictor

Cardiovascular disease remains the number one cause of mortality in the United States. There are numerous approaches to treating these diseases, but ...

Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery

Chronic cardiac ischemia that impairs cardiac function, but does not result in infarct, is termed hibernating myocardium (HM). A large clinical subset of ...

Severe Burn Injury in a Swine Model for Clinical Dressing Assessment

Wound healing is a dynamic repair process and is the most complex biological process in human life. In response to burn injury, alterations in biological ...

Middle Cerebral Artery Occlusion Allowing Reperfusion via Common Carotid Artery Repair in Mice

The ischemic stroke is a major cause of adult long-term disability and death worldwide. The current treatments available are limited, with only tissue ...

A Rat Carotid Artery Pressure-Controlled Segmental Balloon Injury with Periadventitial Therapeutic Application

Cardiovascular disease remains the leading cause of death and disability worldwide, in part due to atherosclerosis. Atherosclerotic plaque narrows the ...