Publications by authors named "James D Dieterich"

Background: Superior migration of the humeral head has been linked with rotator cuff dysfunction and glenoid loosening after total shoulder arthroplasty (TSA). We aimed to determine if superior migration was associated with poor shoulder function following anatomic TSA at long-term follow-up.

Methods: In this retrospective cohort study, we reviewed patients undergoing TSA by a single surgeon at an urban, academic institution.

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Background: Both pain catastrophizing and neuropathic pain have been suggested as prospective risk factors for poor postoperative pain outcomes in total joint arthroplasty (TJA).

Objective: We hypothesized that pain catastrophizers, as well as patients with pain characterized as neuropathic, would exhibit higher pain scores, higher early complication rates and longer lengths of stay following primary TJA.

Methods: A prospective, observational study in a single academic institution included 100 patients with end-stage hip or knee osteoarthritis scheduled for TJA.

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Article Synopsis
  • Two patients experienced late-term ruptures of flexor tendon grafts, occurring 10 and 40 years after surgery, due to low-energy events.
  • The ruptures were found to be intratendinous rather than at the insertion points, with electron microscopy revealing degeneration and increased matrix deposition.
  • Viable tenocytes were present in the grafts, but there was a lack of clear vascular organization, indicating that even successfully reconstructed tendons can degenerate and rupture many years later.
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Background: Despite surgical fixation, the scaphoid nonunion rate remains at 3% to 5%. Recent biomechanical studies have demonstrated increased stability with 2-screw constructs. The objective of our study is to determine the preliminary union rate and anatomic feasibility of 2-screw surgical fixation for scaphoid fractures.

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Case: A 90-year-old male sustained a low energy anterior hip dislocation without fracture after a ground-level fall. Magnetic resonance imaging (MRI) detected femoral vessel compression and thrombosis. The patient underwent placement of an inferior vena cava (IVC) filter prior to successful closed reduction in the operating room.

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Intra-articular distal humerus fractures with an associated coronal shear capitellar fragment present a challenge for stable internal fixation. Adequate visualization and fixation of the capitellar shear fragment are difficult to achieve with conventional exposures, including the olecranon osteotomy. The capitellar fragment often translates anterior and proximally and is challenging to visualize with intact soft tissue attachments from a posterior approach.

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Article Synopsis
  • The study investigated S aureus nasal colonization in patients undergoing hip or knee arthroplasty, highlighting that preoperative screening for colonization can reduce infection rates. !* -
  • Among 716 patients, 17.5% tested positive for S aureus, with diabetes, renal insufficiency, and immunosuppression identified as significant risk factors for nasal colonization. !* -
  • The findings suggest that patients with these comorbidities should be proactively screened and decolonized before surgery to mitigate the risk of surgical site infections. !*
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The Affordable Care Act has placed unplanned patient readmissions under more scrutiny than ever. Geriatric patients, in particular, suffer a disproportionate amount of complications from any kind of hospitalization, including readmissions. This study seeks to identify risk factors in this population that predispose them to an unplanned readmission within 30 days after index surgery.

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Background: Spinal anaesthesia when compared to general anaesthesia has been shown to decrease postoperative morbidity in orthopaedic surgery. The aim of the present study was to assess the differences in thirty-day morbidity and mortality for patients undergoing hip fracture surgery with spinal versus general anaesthesia.

Methods: The American College of Surgeons National Surgical Quality and Improvement Program (NSQIP) database was used to identify patients who underwent hip fracture surgery with general or spinal anaesthesia between 2010 and 2012 using CPT codes 27245 and 27244.

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Few studies have assessed postoperative complications in revision total knee arthroplasty (rTKA). The aim of this study was to assess which preoperative factors are associated with postoperative complications in rTKA. Using the National Surgical Quality Improvement (NSQIP) database, we identified patients undergoing rTKA from 2010 to 2012.

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