Relationship Between Arterial Variations and Patency of Arteriovenous Fistulae

Ultrasound Clinical Trial

Official title:

Study on the Relationship Between Variations in the Branching Pattern of the Main Arteries and Patency of Arteriovenous Fistulae in the Upper Limb

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT04613115
• Other study ID #: TRECKY2020-101
• Status: Completed
• Start date: July 1, 2020
• Est. completion date: June 30, 2022

Study information

• Verified date: October 2020
• Source: Beijing Tongren Hospital
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational [Patient Registry]

Clinical Trial Summary

In 2019, KDOQI considered that uremic patients with a life expectancy of more than one year should require hemodialysis as an effective renal replacement therapy before preparation of kidney transplantation. Arteriovenous fistula, as the lifeline of uremic patients, plays an important role in their daily hemodialysis. The patency of arteriovenous fistula is largely restricted by the inflow artery. According to available medical literatures, an incidence rate of variations in the branching pattern of the main arteries in the upper limb is ranged from 7.2% to 25.0%. and there is a large difference in the incidence rate between sex and race, furthermore, the incidence rate of variations in the branching pattern of the main arteries in the upper limb of Chinese is still unclear. The brachial artery is the main artery of the upper limb. It gives off two terminal branches at the distal end of the elbow crease, the radial and ulnar arteries, the former one often serves as an arterial inflow to create an arteriovenous fistula in the forearm. High bifurcation of the brachial artery (HBBA) seems to be a common variation which may result in immaturity or disfunction of arteriovenous fistulas. Therefore, the purpose of this study is to investigate the variations in the branching pattern of the main arteries in the upper limb of Chinese, in order to study on the hemodynamic changes, and their influence on the establishment, maturation and failure of arteriovenous fistulas in the upper limb.

Description:

This is a prospective analysis research, collecting information after patients admission, including basic information, primary disease status, dialysis intubation status, current dialysis access status, last dialysis access maintenance status and other relevant data. The above-mentioned information data is collected when the patient is admitted into the department of vascular surgery, and is recorded in the "Information Collection, Diagnosis and Treatment Process of Hemodialysis Patients in the Department of Vascular Surgery" form for retention and filing.

During the study period, all patients who were admitted to the vascular surgical department and signed the "Informed Consent" before the upper extremity artery screening according to the corresponding procedures.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 1000
• Est. completion date: June 30, 2022
• Est. primary completion date: June 30, 2021
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 14 Years and older

Eligibility

Inclusion Criteria:

• patients of vascular surgical Inpatient department

• patients will sign the "Informed Consent" and be able to receive related ultrasound examinations

Exclusion Criteria:

• Patients of other surgical Inpatient department

Related Conditions & MeSH terms

• Arteriovenous Fistula
• Artery
• Fistula
• Ultrasound

Locations

Country	Name	City	State
China	Department of Vascular Surgery, Beijing Tongren Hospital, Capital Medical University	BeiJing	Beijing

Sponsors (1)

Lead Sponsor	Collaborator
Beijing Tongren Hospital

Country where clinical trial is conducted

China, 

References & Publications (19)

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Nasr AY. The radial artery and its variations: anatomical study and clinical implications. Folia Morphol (Warsz). 2012 Nov;71(4):252-62. — View Citation

Pham XD, Kim JJ, Parrish AB, Tom C, Ihenachor EJ, Mina D, de Virgilio C. Racial and Gender Differences in Arterial Anatomy of the Arm. Am Surg. 2016 Oct;82(10):973-976. — View Citation

Rodriguez-Niedenfuhr M, Vazquez T, Nearn L, Ferreira B, Parkin I, Sanudo JR. Variations of the arterial pattern in the upper limb revisited: a morphological and statistical study, with a review of the literature. J Anat. 2001 Nov;199(Pt 5):547-66. doi: 10.1046/j.1469-7580.2001.19950547.x. — View Citation

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Singer G, Marterer R, Till H, Schmidt B. A rare anatomic variation of the superficial palmar branch of the radial artery causing pain. Surg Radiol Anat. 2018 Mar;40(3):349-352. doi: 10.1007/s00276-017-1936-6. Epub 2017 Nov 9. — View Citation

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Vazquez T, Sanudo JR, Carretero J, Parkin I, Rodriguez-Niedenfuhr M. Variations of the radial recurrent artery of clinical interest. Surg Radiol Anat. 2013 Oct;35(8):689-94. doi: 10.1007/s00276-013-1094-4. Epub 2013 Feb 26. — View Citation

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* Note: There are 19 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	the variations in the branching pattern of the main arteries in the upper limb of Chinese.	brachio-radial artery?superficial brachio-radial artery?brachio-ulnar artery?superficial brachio-ulnar artery?brachioulnoradial artery?brachiointerosseous artery.	baseline
Primary	Patency of arteriovenous fistulae in the upper limb	functional patency?primary patency?primary assisted patency?secondary patency	1 year