• Dr. Domb!

    Thanks a lot for getting my hip right. Looking forward to a full recovery and a great season. Thanks again for everything.

    Corey WoottonChicago Bears and Detroit Lions
  • Thank you for all that you have done for me and the team. My hip feels so much better, and because of you I'm pain free.
    Sylvia Fowles WNBA Finals MVP, 2-time Olympic Gold Medalist
  • Thank you for working your magic! You're the best!
    Zakiya BywatersChicago Red Stars, National Women's Soccer League
  • Thanks for all the love and positive Energy that was put into my surgery. May the Lord bless you and your family.
    Atari BigbyGreen Bay Packers and San Diego Chargers
  • Dr. Domb, Thanks for fixing me up
    Rashied DavisChicago Bears
  • Huge thank you to Dr. Domb for always taking care of me and getting me back on the court in no time!
    Elena Delle DonneChicago Sky, MVP of the WNBA
  • Dr. Domb! Thanks for taking care of the hip! All the best to you and your staff
    Roosevelt ColvinChicago Bears' All-Decade Defense team
  • Thanks doc for fixing my hip!
    Ryan ChiaveriniWindy City Live Co-Host on ABC7

2013- Domb et al. Comparison of Robotic Assisted and Conventional Acetabular Cup Placement in THA: A Matched-Pair Controlled Study. Clinical Orthopedics and Related Research.

Abstract Background Improper acetabular component orientation in THA has been associated with increased dislocation rates, component impingement, bearing surface wear, and a greater likelihood of revision. Therefore, any reasonable steps to improve acetabular component orientation should be considered and explored.

Questions/purposes We therefore sought to compare THA with a robotic-assisted posterior approach with manual alignment techniques through a posterior approach, using a matched-pair controlled study design, to assess whether the use of the robot made it more likely for the acetabular cup to be positioned in the safe zones described by Lewinnek et al. and Callanan et al.

Methods Between September 2008 and September 2012, 160 THAs were performed by the senior surgeon. Sixtytwo patients (38.8%) underwent THA using a conventional posterior approach, 69 (43.1%) underwent robotic-assisted THA using the posterior approach, and 29 (18.1%) underwent radiographic-guided anterior-approach THAs. From September 2008 to June 2011, all patients were offered anterior or posterior approaches regardless of BMI and anatomy. Since introduction of the robot in June 2011, all THAs were performed using the robotic technique through the posterior approach, unless a patient specifically requested otherwise. The radiographic cup positioning of the robotic-assisted THAs was compared with a matchedpair control group of conventional THAs performed by the same surgeon through the same posterior approach. The safe zone (inclination, 30°-50° anteversion, 5°-25°) described by Lewinnek et al. and the modified safe zone (inclination, 30°-45° anteversion, 5°-25°) of Callanan et al. were used for cup placement assessment. Matching criteria were gender, age ± 5 years, and (BMI) ± 7 units. After exclusions, a total of 50 THAs were included in each group. Strong interobserver and intraobserver correlations.

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