Editing Angiography (section)

===Thrombosis===
There are six risk factors causing thrombosis after arterial puncture: low blood pressure, small arterial diameter, multiple puncture tries, long duration of cannulation, administration of vasopressor/inotropic agents,<ref>{{Cite journal |last1=Cousins |first1=Teresa R. |last2=O'Donnell |first2=John M. |date=August 2004 |title=Arterial cannulation: a critical review |url=https://pubmed.ncbi.nlm.nih.gov/15354915 |journal=AANA Journal |volume=72 |issue=4 |pages=267–271 |issn=0094-6354 |pmid=15354915}}</ref> and the usage of catheters with side holes.<ref>{{Cite journal |last1=Owen |first1=David G. |last2=de Oliveira |first2=Diana C. |last3=Qian |first3=Shuang |last4=Green |first4=Naomi C. |last5=Shepherd |first5=Duncan E. T. |last6=Espino |first6=Daniel M. |date=2020-08-07 |editor-last=Tian |editor-first=Fang-Bao |title=Impact of side-hole geometry on the performance of hemodialysis catheter tips: A computational fluid dynamics assessment |journal=PLOS ONE |language=en |volume=15 |issue=8 |pages=e0236946 |doi=10.1371/journal.pone.0236946 |issn=1932-6203 |pmc=7413473 |pmid=32764790|bibcode=2020PLoSO..1536946O |doi-access=free }}</ref>