Introduction Soft tissue (ST) complications after resection of bone and ST sarcomas of the pelvis occur more frequently than in appendicular tumors. We sought to identify risk factors for complications within 30 days of surgery. Methods The National Surgical Quality Improvement Program database was used for this study. Patients with sarcomas of bone and ST of the pelvis were retrieved using Current Procedural Terminology and International Classification of Diseases codes. Outcomes assessed were ST complications, overall complication rates, 30‐day reoperation, and mortality. Results A total of 770 patients with pelvic bone and ST sarcoma were included. The ST complication rate was 12.6%, including 4.9% superficial and 4.7% deep surgical site infections. Higher ST complication rates were seen in patients >30 years, with partially dependent health status, hematocrit <30%, bone tumors, tumor >5 cm, amputation procedures, and longer operative times. ST complication rates were 1.5 and 3 times higher in pelvic sarcoma surgeries than in the lower and upper extremities, respectively. Age >30 years (odds ratio [OR] = 5.07), hematocrit <30% (OR = 1.84), operative time 1–3 h (OR = 2.97), and >3 h (OR = 4.89) were risk factors for ST complications. Conclusion One in nine patients with pelvic sarcoma surgery will develop ST complications within 30 days. Risk factors for ST complications were age >30, hematocrit <30%, and longer operative time.
Background Pathologic fractures occur in 5% to 10% of patients with osteosarcoma, and prior studies have suggested they are prognostically important. However, because they represent an uncommon event in the setting of an already rare disease, most studies fail to reach conclusive findings, and there is no agreement about how best to treat pathologic fractures. Questions/purposes (1) Is the occurrence of a pathologic fracture in patients with osteosarcoma associated with poorer overall survivorship? (2) Is the occurrence of a pathologic fracture in patients with osteosarcoma associated with poorer local recurrence-free survival or metastasis-free survival? (3) Is the surgical approach (amputation or limb salvage) associated with differences in local recurrence rates in patients with osteosarcoma with pathologic fractures? Methods This systematic review was performed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Our study was registered in PROSPERO (ID: 380459). A search of the PubMed and Embase databases resulted in 625 and 747 titles, respectively. After application of the inclusion and exclusion criteria, 21 articles were finally included. Quality assessment of all studies was performed using the Newcastle-Ottawa Quality Assessment Scale. The Risk of Bias In Non-Randomized Studies of Interventions tool was used in the 11 articles that evaluated the effect of an intervention (amputation or limb salvage) on local recurrence rates. The relative risk (RR) was calculated to compare outcomes in patients with osteosarcoma with pathologic fractures and those without. Heterogeneity among studies was calculated using the I 2 statistic. The pooled RR was calculated using the fixed-effects or random-effects model depending on study heterogeneity. The fragility index and the ratio between the fragility index and the total number of participants for each outcome was additionally calculated to assess the robustness of our results. A total of 7604 patients with osteosarcoma, 12% of whom (885) had pathologic fractures, were included in our analysis. Results Pathologic fractures in patients with osteosarcoma were associated with lower 3-year (RR 1.53 [95% CI 1.29 to 1.82]; p < 0.001) and 5-year overall survival (RR 1.27 [95% CI 1.16 to 1.40]; p < 0.001). No difference in recurrence rates was found between patients with osteosarcoma with pathologic fractures and those without (RR 1.22 [95% CI 0.91 to 1.64]; p = 0.18). However, having a pathologic fracture was Each author certifies that there are no funding or commercial associations (consultancies, stock ownership, equity interest, patent/licensing arrangements, etc.) that might pose a conflict of interest in connection with the submitted article related to the author or any immediate family members. All ICMJE Conflict of Interest Forms for authors and Clinical Orthopaedics and Related Research® editors and board members are on file with the publication and can be viewed on request.
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