Prospective Low Dose CT for Total Shoulder Arthroplasty/Reverse Shoulder Arthroplasty

Shoulder Arthroplasty Clinical Trial

Official title:

Prospective Comparison of Simulated Low Dose Computed Tomography to Conventional Dose Computed Tomography for the Evaluation of Glenoid Anatomy in Shoulder Arthroplasty

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT05350319
• Other study ID #: Pro00108187
• Status: Completed
• Start date: November 21, 2022
• Est. completion date: September 19, 2023

Study information

• Verified date: December 2023
• Source: Duke University
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

This study is a prospective, departmental funded study examining the outcomes of simulated Low Dose CT scans compared to Conventional Dose CT scans in patients who present to Duke University for total shoulder arthroplasty or reverse shoulder arthroplasty.

Description:

The purpose of this study is to compare the use of a conventional dose computed tomography scan (C-CT) to a simulated low dose computed tomography scan (L-CT) for preoperative planning in patients who are anticipated to undergo a total shoulder arthroplasty (TSA) or reverse shoulder arthroplasty (RSA) with the goal to reduce the radiation exposure to future patients undergoing preoperative planning. L-CT scans for analysis will be obtained prospectively as derived data from a C-CT scan performed on a dual source CT scanner. Briefly, a C-CT scan will be conducted, with scan images representing a reconstruction of simultaneous scans at two sensors. L-CT images will be derived from single source data (ie the scan data gathered by one of the emitters rather than a reconstruction from both). For additional validation, prospectively collected scans will be compared to retrospectively gathered scans of patients of similar demographics (age, sex, BMI) and degenerative changes who underwent a C-CT scan for an anticipated shoulder arthroplasty in the past. The reviewers will investigate the following outcome measures including 1) Are L-CT images of sufficient quality to be used for preoperative planning 2) Can accurate measurements including glenoid inclination, version, implant selection and humeral head subluxation be made on L-CT images 3) Do proposed treatment plans change with the use of L-CT relative to the chosen plans base on C-CT images. The investigators hypothesize L-CT images will be of sufficient image quality for diagnostic purposes, with similar measurements, and treatment outcomes.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 20
• Est. completion date: September 19, 2023
• Est. primary completion date: July 19, 2023
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

• Subjects are planned to undergo total or reverse shoulder arthroplasty

• Subject must be 18 years or older

• Subjects who have capacity to give informed consent

Exclusion Criteria:

• Subjects who are pregnant

• Subjects under the age of 18

• Subjects who do not have the capacity to give informed consent.

Related Conditions & MeSH terms

• Shoulder Arthroplasty

Intervention

Radiation:
• A low-dose CT scan of the shoulder
Briefly, a conventional CT scan will be conducted, with scan images representing a reconstruction of simultaneous scans at two sensors. L-CT images will be derived from single source data (ie the scan data gathered by one of the emitters rather than a reconstruction from both).

Locations

Country	Name	City	State
United States	Duke University Medical Center	Durham	North Carolina

Sponsors (1)

Lead Sponsor	Collaborator
Duke University

Country where clinical trial is conducted

United States, 

References & Publications (6)

Biswas D, Bible JE, Bohan M, Simpson AK, Whang PG, Grauer JN. Radiation exposure from musculoskeletal computerized tomographic scans. J Bone Joint Surg Am. 2009 Aug;91(8):1882-9. doi: 10.2106/JBJS.H.01199. — View Citation

Boileau P, Cheval D, Gauci MO, Holzer N, Chaoui J, Walch G. Automated Three-Dimensional Measurement of Glenoid Version and Inclination in Arthritic Shoulders. J Bone Joint Surg Am. 2018 Jan 3;100(1):57-65. doi: 10.2106/JBJS.16.01122. — View Citation

Iannotti JP, Weiner S, Rodriguez E, Subhas N, Patterson TE, Jun BJ, Ricchetti ET. Three-dimensional imaging and templating improve glenoid implant positioning. J Bone Joint Surg Am. 2015 Apr 15;97(8):651-8. doi: 10.2106/JBJS.N.00493. — View Citation

Maurer A, Fucentese SF, Pfirrmann CW, Wirth SH, Djahangiri A, Jost B, Gerber C. Assessment of glenoid inclination on routine clinical radiographs and computed tomography examinations of the shoulder. J Shoulder Elbow Surg. 2012 Aug;21(8):1096-103. doi: 10.1016/j.jse.2011.07.010. Epub 2011 Oct 29. — View Citation

Tipnis SV, Spampinato MV, Hungerford J, Huda W. Thyroid Doses and Risks to Adult Patients Undergoing Neck CT Examinations. AJR Am J Roentgenol. 2015 May;204(5):1064-8. doi: 10.2214/AJR.14.13102. — View Citation

Yu L, Shiung M, Jondal D, McCollough CH. Development and validation of a practical lower-dose-simulation tool for optimizing computed tomography scan protocols. J Comput Assist Tomogr. 2012 Jul-Aug;36(4):477-87. doi: 10.1097/RCT.0b013e318258e891. — View Citation

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Low Dose CT Images of Sufficient Pre-operative Planning Quality	Low Dose CT Images will be compared to a standard dose to assess image quality.	Day 1
Primary	Glenoid Version	Representative CT images will be used to measure the version of each shoulder for preoperative purposes.	Day 1
Primary	Glenoid Inclination	Representative CT images will be used to measure the inclination of each shoulder for preoperative purposes.	Day 1
Primary	Humeral Head Subluxation	Representative CT images will be used to measure the humeral head subluxation of each shoulder for preoperative purposes.	Day 1
Primary	Implant Selection	Representative CT images will be used to determine the implant selection for preoperative purposes.	Day 1