This work was supported by the clinical research special fund from Zhongshan Hospital, Fudan University (2016ZSLC17). The authors are very grateful to Dr. Xianglin Hu in Zhongshan Hospital of Fudan University for his very professional suggestions to English writing.

This single-center retrospective study was approved by the local Institutional Review Board of Zhongshan Hospital, Fudan University.
1. Obtaining informed consent
<ol>
	<li>Before the TRA interventions, have interventional radiologists (IRs) explain the benefits and potential complications of TRA to the patients.</li>
</ol>
2. Patient evaluation
<ol>
	<li>After obtaining informed consent, evaluate the RA for the feasibility of puncture and cannulati...

<ol>
	<li>Yoon, S. M., 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=Efficacy+and+Safety+of+Transarterial+Chemoembolization+Plus+External+Beam+Radiotherapy+vs+Sorafenib+in+Hepatocellular+Carcinoma+with+Macroscopic+Vascular+Invasion+A+Randomized+Clinical+Trial.">Efficacy and Safety of Transarterial Chemoembolization Plus External Beam Radiotherapy vs Sorafenib in Hepatocellular Carcinoma with Macroscopic Vascular Invasion A Randomized Clinical Trial.</a> JAMA Oncology. 4 (5), 661-669 (2018).</li><li>Global Burden of Disease. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+Global+Burden+of+Cancer+2013.">The Global Burden of Cancer 2013.</a> JAMA Oncology. 1 (4), 505-527 (2015).</li><li>Iezzi, 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=Transradial+versus+Transfemoral+Access+for+Hepatic+Chemoembolization:+Intrapatient+Prospective+Single-Center+Study.">Transradial versus Transfemoral Access for Hepatic Chemoembolization: Intrapatient Prospective Single-Center Study.</a> Journal of Vascular and Interventional Radiology. 28 (9), 1234-1239 (2017).</li><li>Rao, S. V., Cohen, M. G., Kandzari, D. E., Bertrand, O. F., Gilchrist, I. C. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+transradial+approach+to+percutaneous+coronary+intervention:+historical+perspective,+current+concepts,+and+future+directions.">The transradial approach to percutaneous coronary intervention: historical perspective, current concepts, and future directions.</a> Journal of the American College of Cardiology. 55 (20), 2187-2195 (2010).</li><li>Hamon, M., 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=Consensus+document+on+the+radial+approach+in+percutaneous+cardiovascular+interventions:+position+paper+by+the+European+Association+of+Percutaneous+Cardiovascular+Interventions+and+Working+Groups+on+Acute+Cardiac+Care+and+Thrombosis+of+the+European+Society+of+Cardiology.">Consensus document on the radial approach in percutaneous cardiovascular interventions: position paper by the European Association of Percutaneous Cardiovascular Interventions and Working Groups on Acute Cardiac Care and Thrombosis of the European Society of Cardiology.</a> EuroIntervention. 8 (11), 1242-1251 (2013).</li><li>Feldman, D. N., 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=Adoption+of+radial+access+and+comparison+of+outcomes+to+femoral+access+in+percutaneous+coronary+intervention:+an+updated+report+from+the+national+cardiovascular+data+registry+(2007-2012).">Adoption of radial access and comparison of outcomes to femoral access in percutaneous coronary intervention: an updated report from the national cardiovascular data registry (2007-2012).</a> Circulation. 127 (23), 2295-2306 (2013).</li><li>Jolly, S. S., 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=Radial+versus+femoral+access+for+coronary+angiography+and+intervention+in+patients+with+acute+coronary+syndromes+(RIVAL):+a+randomised,+parallel+group,+multicentre+trial.">Radial versus femoral access for coronary angiography and intervention in patients with acute coronary syndromes (RIVAL): a randomised, parallel group, multicentre trial.</a> Lancet. 377 (9775), 1409-1420 (2011).</li><li>Valgimigli, M., 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=Radial+versus+femoral+access+in+patients+with+acute+coronary+syndromes+undergoing+invasive+management:+a+randomised+multicentre+trial.">Radial versus femoral access in patients with acute coronary syndromes undergoing invasive management: a randomised multicentre trial.</a> Lancet. 385 (9986), 2465-2476 (2015).</li><li>Du, N., 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=Transradial+access+chemoembolization+for+hepatocellular+carcinoma+in+comparation+with+transfemoral+access.">Transradial access chemoembolization for hepatocellular carcinoma in comparation with transfemoral access.</a> Translational Cancer Research. 8 (5), 1795-1805 (2019).</li><li>Galyfos, G., Sigala, F., Filis, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Transradial+versus+Transfemoral+access+in+patients+undergoing+peripheral+artery+angioplasty/stenting:+A+meta-analysis.">Transradial versus Transfemoral access in patients undergoing peripheral artery angioplasty/stenting: A meta-analysis.</a> Cardiovascular Revascularization Medicine. 19 (4), 457-465 (2018).</li><li>Barbeau, G. R., Arsenault, F., Dugas, L., Simard, S., Lariviere, M. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Evaluation+of+the+ulnopalmar+arterial+arches+with+pulse+oximetry+and+plethysmography:+comparison+with+the+Allen's+test+in+1010+patients.">Evaluation of the ulnopalmar arterial arches with pulse oximetry and plethysmography: comparison with the Allen's test in 1010 patients.</a> American Heart Journal. 147 (3), 489-493 (2004).</li><li>Kiemeneij, F., Laarman, G. J. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Percutaneous+transradial+artery+approach+for+coronary+Palmaz-Schatz+stent+implantation.">Percutaneous transradial artery approach for coronary Palmaz-Schatz stent implantation.</a> American Heart Journal. 128 (1), 167-174 (1994).</li><li>Achenbach, S., 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=Transradial+versus+transfemoral+approach+for+coronary+angiography+and+intervention+in+patients+above+75+years+of+age.">Transradial versus transfemoral approach for coronary angiography and intervention in patients above 75 years of age.</a> Catheterization and Cardiovascular Interventions. 72 (5), 629-635 (2008).</li><li>Agostoni, P., 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=Radial+versus+femoral+approach+for+percutaneous+coronary+diagnostic+and+interventional+procedures;+Systematic+overview+and+meta-analysis+of+randomized+trials.">Radial versus femoral approach for percutaneous coronary diagnostic and interventional procedures; Systematic overview and meta-analysis of randomized trials.</a> Journal of the American College of Cardiology. 44 (2), 349-356 (2004).</li><li>Caputo, R. P., 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=Transradial+cardiac+catheterization+in+elderly+patients.">Transradial cardiac catheterization in elderly patients.</a> Catheterization and Cardiovascular Interventions. 51 (3), 287-290 (2000).</li><li>Cox, N., 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=Comparison+of+the+risk+of+vascular+complications+associated+with+femoral+and+radial+access+coronary+catheterization+procedures+in+obese+versus+nonobese+patients.">Comparison of the risk of vascular complications associated with femoral and radial access coronary catheterization procedures in obese versus nonobese patients.</a> American Journal of Cardiology. 94 (9), 1174-1177 (2004).</li><li>Titano, J. J., 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+Feasibility+of+Transradial+Access+for+Visceral+Interventions+in+Patients+with+Thrombocytopenia.">Safety and Feasibility of Transradial Access for Visceral Interventions in Patients with Thrombocytopenia.</a> Cardiovascular and Interventional Radiology. 39 (5), 676-682 (2016).</li><li>Mortensen, C., 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=Prospective+Study+on+Total+Fluoroscopic+Time+in+Patients+Undergoing+Uterine+Artery+Embolization:+Comparing+Transradial+and+Transfemoral+Approaches.">Prospective Study on Total Fluoroscopic Time in Patients Undergoing Uterine Artery Embolization: Comparing Transradial and Transfemoral Approaches.</a> Cardiovascular and Interventional Radiology. 42 (3), 441-447 (2019).</li><li>Iezzi, 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=Operator+learning+curve+for+transradial+liver+cancer+embolization:+implications+for+the+initiation+of+a+transradial+access+program.">Operator learning curve for transradial liver cancer embolization: implications for the initiation of a transradial access program.</a> Diagnostic and Interventional Radiology. 25 (5), 368-374 (2019).</li><li>Mounsey, C. A., Mawhinney, J. A., Werner, R. S., Taggart, D. P. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Does+Previous+Transradial+Catheterization+Preclude+Use+of+the+Radial+Artery+as+a+Conduit+in+Coronary+Artery+Bypass+Surgery.">Does Previous Transradial Catheterization Preclude Use of the Radial Artery as a Conduit in Coronary Artery Bypass Surgery.</a> Circulation. 134 (9), 681-688 (2016).</li><li>Hibbert, B., 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=Transradial+versus+transfemoral+artery+approach+for+coronary+angiography+and+percutaneous+coronary+intervention+in+the+extremely+obese.">Transradial versus transfemoral artery approach for coronary angiography and percutaneous coronary intervention in the extremely obese.</a> JACC: Cardiovascular Interventions. 5 (8), 819-826 (2012).</li><li>Fischman, A. M., Swinburne, N. C., Patel, R. 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+Technical+Guide+Describing+the+Use+of+Transradial+Access+Technique+for+Endovascular+Interventions.">A Technical Guide Describing the Use of Transradial Access Technique for Endovascular Interventions.</a> Techniques in Vascular and Interventional Radiology. 18 (2), 58-65 (2015).</li><li>Caputo, R. P., 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=Transradial+arterial+access+for+coronary+and+peripheral+procedures:+executive+summary+by+the+Transradial+Committee+of+the+SCAI.">Transradial arterial access for coronary and peripheral procedures: executive summary by the Transradial Committee of the SCAI.</a> Catheterization and Cardiovascular Interventions. 78 (6), 823-839 (2011).</li><li>Shiozawa, S., 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=Transradial+approach+for+transcatheter+arterial+chemoembolization+in+patients+with+hepatocellular+carcinoma+-+Comparison+with+conventional+transfemoral+approach.">Transradial approach for transcatheter arterial chemoembolization in patients with hepatocellular carcinoma - Comparison with conventional transfemoral approach.</a> Journal of Clinical Gastroenterology. 37 (5), 412-417 (2003).</li><li>Mitchell, M. D., 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=Systematic+review+and+cost-benefit+analysis+of+radial+artery+access+for+coronary+angiography+and+intervention.">Systematic review and cost-benefit analysis of radial artery access for coronary angiography and intervention.</a> Circulation: Cardiovascular Quality and Outcomes. 5 (4), 454-462 (2012).</li><li>Shoji, S., 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=Stroke+After+Percutaneous+Coronary+Intervention+in+the+Era+of+Transradial+Intervention.">Stroke After Percutaneous Coronary Intervention in the Era of Transradial Intervention.</a> Circulation: Cardiovascular Interventions. 11 (12), 006761 (2018).</li><li>Jurga, J., 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=Cerebral+microembolism+during+coronary+angiography:+a+randomized+comparison+between+femoral+and+radial+arterial+access.">Cerebral microembolism during coronary angiography: a randomized comparison between femoral and radial arterial access.</a> Stroke. 42 (5), 1475-1477 (2011).</li><li>Bishay, V. 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TRA interventional therapy has grown significantly worldwide in recent years, especially in diagnostic and Interventional cardiology procedures12. Moreover, there has been increasing attention to peripheral vascular disease intervention. Without compromising procedural success rates, TRA to cardiac intervention can effectively reduce the rates of bleeding and vascular complications compared with TFA13,14. Compared with TFA, TRA is superior...

Hepatocellular carcinoma (HCC) is a very common malignancy, with the sixth highest incidence rate worldwide. It is also the second leading cause of cancer mortality around the world1. Because only 5%&#8211;20% of patients can receive curative therapy, transarterial chemoembolization (TACE) is the most popular palliative treatment for patients with unresectable HCC2. TACE has been recognized as the most commonly used and effective treatment approach for HCC patients at the intermediate stage3. Transfemoral access (TFA) chemoembolization is the most common approach for TACE4. However, there are risks associated with TFA intervention, including bleeding at the access site and major vascular complications5. These complications lead to prolonged hospitalization and increased costs. Moreover, TFA requires immobilization for at least 6 h, which increases discomfort and dissatisfaction for the patients.&#160;
Transradial access (TRA) is an alternative approach that has been used in percutaneous coronary intervention (PCI) for more than two decades5,6. TRA PCI has several advantages: increased procedure comfort, decreased access site-related bleeding, decreased major vascular complications, and decreased mortality7,8. The radial artery (RA) is easy to access and puncture because of its superficial location7. Hemostasis is easy to conduct after intervention and there is no strict immoblization9. Despite encouraging evidence for TRA intervention in cardiac catheterization, to date only a few studies used TRA in peripheral disease intervention. TRA interventions for malignant liver tumors are even rarer. Here, the clinical feasibility and safety of TRA hepatic embolization is analyzed. One institution&#8217;s experience with the step-by-step TRA protocol provided is also described.

<table border="0" cellpadding="0" cellspacing="0" style="width:553px;" width="553">
	<colgroup>
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	<tbody>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Reagents</td>
			<td style="width:127px;"></td>
			<td style="width:123px;"></td>
			<td style="width:163px;"></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Embosphere</td>
			<td style="width:127px;">Merit</td>
			<td style="width:123px;">20173776165</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Gelfoam</td>
			<td style="width:127px;">Alicon</td>
			<td style="width:123px;">20143771056</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Heparin</td>
			<td style="width:127px;">Hepatunn</td>
			<td style="width:123px;">H51021209</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Injection syringe</td>
			<td style="width:127px;">KDL</td>
			<td style="width:123px;">20163150518</td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:141px;">Iodinated oil</td>
			<td style="width:127px;">Yantai Luyin Pharmaceutical Co.Ltd</td>
			<td style="width:123px;">H37022398</td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:141px;">Lidocaine</td>
			<td style="width:127px;">Shandong Hualu Pharmaceutical Co.Ltd</td>
			<td style="width:123px;">H37022147</td>
			<td></td>
		</tr>
		<tr height="84">
			<td height="84" style="height:84px;width:141px;">Lobaplatin</td>
			<td style="width:127px;">Hainan Changan International Pharmaceutical Co.Ltd</td>
			<td style="width:123px;">H20050308</td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:141px;">Nitroglycerin</td>
			<td style="width:127px;">Brijing Yimin Pharmaceutical Co.Ltd</td>
			<td style="width:123px;">H11020289</td>
			<td></td>
		</tr>
		<tr height="63">
			<td height="63" style="height:63px;width:141px;">Normal saline</td>
			<td style="width:127px;">Anhui Shuanghe Pharmaceutical Co.Ltd</td>
			<td style="width:123px;">H34023609</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Pharmorubicin</td>
			<td style="width:127px;">Pfizer</td>
			<td style="width:123px;">H20000496</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Ultravist 370</td>
			<td style="width:127px;">Bayer</td>
			<td style="width:123px;">H20171333</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Material</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:141px;">Hydrophilic Guide Wire</td>
			<td style="width:127px;">Merit</td>
			<td style="width:123px;">LWSTDA38180</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Injection syringe</td>
			<td style="width:127px;">KDL</td>
			<td style="width:123px;">20163150518</td>
			<td></td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:141px;">Maestro Microcatheter</td>
			<td style="width:127px;">Merit</td>
			<td style="width:123px;">28MC24150SN</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">MPA1 (I) catheter</td>
			<td style="width:127px;">Cordis</td>
			<td style="width:123px;">451-406P0</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Sheath Introducer</td>
			<td style="width:127px;">Merit</td>
			<td style="width:123px;">PSI-4F-11-035</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Steerable Guidewire</td>
			<td style="width:127px;">Merit</td>
			<td style="width:123px;">TNR2411</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">TR Band</td>
			<td style="width:127px;">Terumo</td>
			<td style="width:123px;">XX*RF06</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Equipment</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">DSA</td>
			<td style="width:127px;">Toshiba</td>
			<td style="width:123px;">INFX-9000V</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:141px;">Ultrasonic machine</td>
			<td style="width:127px;">SonoScape</td>
			<td style="width:123px;">20172231180</td>
			<td></td>
		</tr>
	</tbody>
</table>

transradial access chemoembolization for hepatocellular carcinoma patients

Transarterial chemoembolization (TACE) is the most common modality for treatment of hepatocellular carcinoma (HCC) at the intermediate stage. TACE is typically performed via transfemoral access (TFA). However, transradial access (TRA) is preferred in coronary artery interventions due to decreased complications and mortality. Whether the advantages of TRA can be applied to TACE required investigation.
Patients receiving TRA TACE at a single center were retrospectively enrolled for study. Procedural details, technical success, radial artery occlusion (RAO) rate, and access site-related bleeding complications were evaluated. From October 2017 to October 2018, 112 patients underwent 160 TRA TACE procedures. The overall technical success rate was 95.0% (152/160). The rate of crossover from TRA to TFA was 1.9%. No access site-related bleeding complications were found in any cases. Asymptomatic RA occlusion occurred in three patients (2.7%). Compared with TFA, TRA can increase safety and patient satisfaction while decreasing access site-related bleeding complications. Moreover, TRA interventions can benefit patients with advanced age, obesity, or a high risk of bleeding complications.

From October 2017 to October 2018, 112 patients underwent 160 TRA TACE procedures, and the overall technical success rate was 95.0% (152/160). Eight cases were met with technical failure. Of these, five cases were caused by left RA puncture failure and subsequently underwent successful TACE with right RA access. The other three cases were caused by cannulation failure, and underwent subsequent successful intervention by crossover to right FA access. The crossover rate of RA access to FA access was only 1.9%. No access si...

Watch this Scientific Journal Video about Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients at JoVE.com

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

Transarterial chemoembolization (TACE) is the standard therapy for patients in the intermediate stage of hepatocellular carcinoma and is typically performed through femoral artery access. Compared with transfemoral access, transradial access (TRA) can decrease the rate of bleeding complications and improve patient tolerance. A method is presented here to perform transarterial chemoembolization via radial artery access.

Transarterial chemoembolization (TACE) is the most common modality for treatment of hepatocellular carcinoma (HCC) at the intermediate stage. TACE is ...

Repetitive TACE is a common effective treatment for unresectable hepatocellular carcinoma, and is often performed via femoral artery access. However, the clinical feasibility or repeated transradial artery usage has not been confirmed. This technique reduces the risk bleeding, facilitates easier hemostasis, is easier to monitor, does not require lying in bed, enhances safety and improves patient comfort.Demonstrating the procedure will be Dr.Zhang and Dr.Yang. For radial artery access, first place the patient in a supine position on the angiography table, and position the left arm parallel to the body, close to the left waist. Locate the distal radial artery by palpation, and clean the skin surface with 10%povidone iodine surgical scrub solution.When the solution is air dried, cover the left arm with a surgical drape. In case of potential left radial artery puncture failure, sterilize and drape the right arm or right inguinal region to prepare an alternative access route. Apply topical anesthesia, proximal to the styloid process along the axis of the most powerful pulsation of the left radial artery, and extend the wrist.Using a 20-gauge needle and modified Seldinger technique, puncture the radial artery. When pulsatile arterial blood return is observed, gently introduce a 0.021-inch hydrophilic guidewire into the vessel. Once access is obtained, remove the needle, and use the guidewire to introduce a four French hydrophilic sheath.After sheath insertion, use a syringe to gently pump back a small amount of arterial blood to confirm that the sheath tip is located within the vessel, and inject the cocktail. To perform a superselective catheterization and chemoembolization, use a high pressure injector to perform an angiogram through the common catheter to confirm an adequate embolization and the location of the catheter tip within the common hepatic artery, then inject nine to 12 milliliters of the contrast agent at a three-to-four milliliter per second flow rate, and a fluoroscopy time of about 15 seconds, and remove the catheter of the guidewire to avoid damage to radial artery. To induce radial artery hemostasis, remove the catheter over the guidewire to avoid damage to the radial artery, and administer the remaining two milliliters of vasodilation cocktail solution through the radial artery sheath.Immediately after all of the solution has been delivered, retract the sheath about five centimeters, and place a TR band over the radial access site on the left wrist, use the accompanying syringe to adequately inflate the TR band air bag with air, and completely remove the sheath. Slowly deflate the air bag when leaking is observed at the access site at one milliliter of air back into the cuff, then confirm that there is no bleeding or leakage while also checking that the distal radial artery pulse is palpable during hemostasis, and using a pulse oximeter to confirm the arterial wave form on the left thumb. In this table, the baseline clinical data of representative cases with technical success or failure are compared.An increased number of catheters were required for patients suffering radial artery access technical failure. No significant correlations were found between the technical success or failure of the procedure and patient age, sex, or combined medical comorbidities. In this table, the numbers of transradial access transarterial chemoembolization procedures were compared.Due to the low frequency of radial artery occlusions, no significant correlation was found between the increased rate of occlusion and the number of transradial access procedures. It is important to stay calm and collected while performing the procedure. After watching this video, you should have the confidence and ability to perform that technique.We use ultrasound to improve the efficiency of the radial archery location, especially when the vessel is particularly small.

transradial-access-chemoembolization-for-hepatocellular-carcinoma

Research

JoVE Journal

Cancer Research

5.3K visualizações.  Fudan University. Repetitive TACE is a common effective treatment for unresectable hepatocellular carcinoma, and is often performed via femoral artery access. However, the clinical feasibility or repeated transradial artery usage has not been confirmed. This technique reduces the risk bleeding, facilitates easier hemostasis, is easier to monitor, does not require lying in bed, enhances safety and improves patient comfort.Demonstrating the procedure will be Dr.Zhang and Dr.Yang. For radial artery access,...