Publicaties

Reactive Thrombocytosis Leading to Recurrent Arterial Thrombosis Reversed by Management of a Prosthetic Joint Infection of the Hip.

Papen M, Ghijselings S, Vles G.Cureus. 2022 Apr 15;14(4):e24166. doi: 10.7759/cureus.24166. eCollection 2022 Apr.PMID: 35449801

Prosthetic joint infections (PJIs) still pose a severe challenge for patients and the overall health care system. Infection, and PJI in particular, is a known cause of reactive thrombocytosis. Thromboembolic complications secondary to reactive thrombocytosis are infrequent and arterial thromboses are rarely described. We present the case of a 64-year-old female with reactive thrombosis and recurrent arterial thrombosis due to bilateral streptococcal PJI of the hip. Multiple episodes of acute ischemia of the right lower limb ultimately led to transfemoral amputation. Only after bilateral irrigation and debridement for infection control did the thrombocytosis resolve without any further thromboembolic complications. Early recognition of thrombocytosis, use of anti-platelet agents and early surgical treatment of the underlying infection (even when a conservative treatment may otherwise be considered) could have avoided this potentially life-threatening complication.

Ball-and-Socket Replacement for Thumb Carpometacarpal Osteoarthritis: A Comparison Between the Single and Dual Mobility Design.

Geuskens W, Papen M, De Fré M, Vuylsteke K, Van Haver A, Verstreken F, Vanhees M.J Wrist Surg. 2025 Apr 9;15(1):e14-e19. doi: 10.1055/a-2558-7154. eCollection 2026 Feb.PMID: 4157416

Objectives: Total joint arthroplasty is a valid surgical option for end-stage CMC1 osteoarthritis (OA). Currently, there are two types of implants used: the conventional single mobility design, and the new generation dual mobility design. Promising results for the latter design have been reported but there is scant literature on comparing the two implants. The objectives of this study were to first, assess the safety of the implants regarding loosening, revision, and luxation and second, compare the clinical outcomes and patient satisfaction of the two CMC1 implant designs.
Study design: This retrospective study evaluated plain radiographs for complications. To compare the clinical outcomes, patients were matched based on follow-up, age, and gender. Clinical outcomes consisted of lateral pinch and Grip strength, Kapandji, VAS, QuickDASH, and Nelson scores.
Results: An overall complication rate of 5.4% was observed and were all associated with the single mobility design. In contrast, the clinical outcomes were slightly superior in the single mobility design.
Conclusion: This study demonstrates excellent clinical and radiographic outcomes following CMC1 arthroplasty, with a clear trend toward an increased dislocation risk in the single mobility design.

Intra operative assessment of the coronal balance in spinal deformity surgery : a technical note and retrospective study.

Dewilde T, Schelfaut S, Bamps S, Papen M, Moens P.Acta Orthop Belg. 2021 Mar;87(1):175-179.PMID: 34129772

Obtaining a spine that is well balanced after fusion for scoliotic deformity is primordial for the patients' quality of life. A simple T-shaped instrument combined with standard intraoperative fluoroscopy can be of great help to evaluate the coronal alignment quickly. The aim of this study was to evaluate if a T-shaped device could predict the postoperative coronal balance. Before finalization of the rod fixation, the balance was checked by verifying the relationship between the T-shaped instrument and the upper instrumented vertebra (UIV), and final adjustments were made to correct the coronal balance. A retrospective study was conducted on 48 patients who underwent surgery to correct scoliotic deformity. Intraoperative and postoperative coronal alignment was measured independently by two observers. The mean intraoperative horizontal offset measured between T-shaped instrument and the center of the UIV was 1,69mm to the right with a standard deviation (SD) of 12,43 mm. On postoperative full spine radiographs, the mean offset between the centra sacral vertical line and the center of the UIV was 2,44mm to the left with a SD of 13,10mm. There is no significant difference in coronal balance between both measurements (p=0,12). With this technique we were able to predict the postoperative coronal balance in all but one patient (97,92%). We conclude that the use of a simple T-shaped instrument can provide adequate intraoperative assessment of coronal balance in correcting scoliotic deformity.