Background Globally, reverse shoulder arthroplasty (RSA) has moved away from the Grammont design to modern prosthesis designs. The purpose of this study was to provide a focused, updated systematic review for each of the most common complications of RSA by limiting each search to publications after 2010. In this part II, the following were examined: (1) instability, (2) humerus/glenoid fracture, (3) acromial/scapular spine fractures (AF/SSF), and (4) problems/miscellaneous. Methods Four separate PubMed database searches were performed following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Overall, 137 studies for instability, 94 for humerus/glenoid fracture, 120 for AF/SSF, and 74 for problems/miscellaneous were included in each review, respectively. Univariate analysis was performed with chi-square and Fisher exact tests. Results The Grammont design had a higher instability rate vs. all other designs combined (4.0%, 1.3%; P < .001), and the onlay humerus design had a lower rate than the lateralized glenoid design (0.9%, 2.0%; P = .02). The rate for intraoperative humerus fracture was 1.8%; intraoperative glenoid fracture, 0.3%; postoperative humerus fracture, 1.2%; and postoperative glenoid fracture, 0.1%. The rate of AF/SSF was 2.6% (371/14235). The rate for complex regional pain syndrome was 0.4%; deltoid injury, 0.1%; hematoma, 0.3%; and heterotopic ossification, 0.8%. Conclusions Focused systematic reviews of recent literature with a large volume of shoulders demonstrate that using non-Grammont modern prosthesis designs, complications including instability, intraoperative humerus and glenoid fractures, and hematoma are significantly reduced compared with previous studies. As the indications continue to expand for RSA, it is imperative to accurately track the rate and types of complications in order to justify its cost and increased indications.
Spontaneous coronary artery dissection (SCAD) is an uncommon but important cause of acute myocardial infarction, particularly in younger women and in patients with underlying fibromuscular dysplasia (FMD). There is increasing literature on patients with SCAD reporting significant emotional stress, particularly stress related to unemployment, in the week prior to their cardiac event, and emotional triggers appear to be associated with worse in-hospital and follow-up cardiac events. Additionally, the COVID-19 pandemic has resulted in significant societal stressors and increased unemployment, which have been associated with increased cardiovascular morbidity. Here, we present a case of a female presenting with an acute MI secondary to SCAD in the setting of recently learning of impending unemployment due to COVID-19 vaccine refusal. This case highlights the importance of considering SCAD in patients with significant recent emotional stress who present with MI. Additionally, in light of the emotional stressors of the COVID-19 pandemic, clinicians must be aware of the consequences significant emotional stress plays on the development of adverse complications of chronic disease.
Introduction: 3D planning software for shoulder arthroplasty recently emerged for aiding in intraoperative determination of native glenoid. These protocols often require increased scan resolution, however, raising the question of an increased prevalence and clinical impact of incidental findings (IFs) from preoperative imaging. Methods: A retrospective review of preoperative shoulder CT reports was conducted for 333 consecutive patients planning anatomic or reverse total shoulder arthroplasties. Patients with thin-sliced CT scans (1.25 mm) were compared with those with standard CT scans (2.5 mm). Poisson regression was performed with baseline characteristics and potentially pathologic IFs (PPIFs). Results: IFs were present in 131 of the 333 scans (39.3%), and 38 of the 333 scans (11.4%) included PPIFs. Only 8 of the 333 scans (2.4%) required workup, with 2 of the 333 (0.6%) leading to new cancer diagnoses. Thin-sliced CT scans detected a higher mean number of IFs (1.12 versus 0.22, P , 0.001) while the mean number of PPIFs remained similar (0.13 versus 0.10, P = 0.43). Conclusion: IFs are frequent; however, only 0.6% scans led to new cancer diagnoses. Comparison of thin-sliced with standard CT scans revealed a higher frequency of IFs but similar PPIFs, indicating increased burden of IFs without the benefit of identifying additional malignancies. As demand rises for shoulder arthroplasties, surgeons should consider the potential hidden costs of IFs when using 3D planning programs. CT of the shoulder is important in the preoperative assessment of glenoid morphology in anatomic total shoulder arthroplasties (aTSAs) and reverse shoulder arthroplasties (rTSAs). 1,2 The volume of preoperative CT scans is likely to rise as demand for aTSAs and rTSAs increases, [3][4][5] especially with the development of 3D planning software, which is of current industry interest and evaluation. 6 3D planning software has recently emerged, specifically to help with difficulty in intraoperative
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