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mechanical complications of Osteosynthesis: Frequency and Management at the Orthopedics-Traumatology Department of CHU Ignace DEEN

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Open Journal of Orthopedics 2024年第9期14卷 404-410页

作者： Tafsir Camara Amira Aboud Ibrahima Sory Bangoura Madjirabe Nassaradengar Hippolyte Mohamed Youla Urbain Judicael Adou Kouassi Bah Mohamed Lamine Léopold Lamah Orthopedics-Traumatology Department of Ignace Deen University Hospital Conakry Guinea Orthopedics-Traumatology Department of Donka University Hospital Conakry Guinea

Introduction: mechanical complications after osteosynthesis are spontaneous and harmful modifications of the joint compromising the consolidation process. The aim of this study is to report on the frequency of these complications and their management in the Orthopaedic-Traumatology Department of CHU Ignace Deen. Patients and Methods: we conducted a retrospective descriptive and analytical cross-sectional study from January 2017 to December 2022. It focused on the records of patients hospitalized and treated in the department for a mechanical complication after osteosynthesis. Results: The frequency of mechanical complications was 1.2%, with an average age of 44.2 years and a sex ratio of 3.2 in favor of men. Non-compliance with postoperative instructions, non-compliance with surgical technique, postoperative infection and early loading were the main contributing factors. Disassembly of the screw-plate was the most common cause in 6 cases (35.5%), with a mean delay of 4.1 months. Revision osteosynthesis was carried out using screw plates in 8 cases (47.1%). Conclusion: mechanical complications of osteosynthesis are less frequent traumatic conditions in our department. Several factors contribute to their occurrence.

关键词： mechanical complications Frequency Therapeutics Osteosynthesis

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mechanical complications after Myocardial Infarction: A Comprehensive Review

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World Journal of Cardiovascular Diseases 2024年第1期14卷 43-60页

作者： Alexis D. Aparicio-Ortiz María Natalia Alonso-Jimenez Adrian Espejel-Guzman Aldo Cabello-Ganem Javier Serrano-Roman Santiago Luna-Alcala Nilda Espinola-Zavaleta Department of Nuclear Cardiology National Institute of Cardiology Ignacio Chavez Mexico City Mexico Department of Echocardiography ABC Medical Center Mexico City Mexico

mechanical complications of myocardial infarction are potentially fatal events that can occur after an acute myocardial infarction. While the introduction of primary percutaneous reperfusion and fibrinolysis has reduced the incidence of these complications to less than 1%. These complications pose significant hemodynamic consequences and necessitate prompt diagnosis. Echocardiography, cardiac magnetic resonance imaging, and computed tomography are valuable tools for establishing an accurate and expedited diagnosis. Consequently, it is imperative to conduct further scientific research to enhance hemodynamic stabilization techniques such as intra-aortic balloon counterpulsation and extracorporeal membrane oxygenation, in addition to exploring new surgical procedures that can reduce mortality resulting from mechanical complications. This article aims to provide a comprehensive review of mechanical complications following myocardial infarction and their correlation with multi-imaging, facilitating a better understanding of these complications.

关键词： Infarction mechanical complications Echocardiography Magnetic Resonance

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Different types of mechanical complications after surgical correction of adult spine deformity with osteotomy

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World Journal of Meta-Analysis 2017年第6期5卷 132-149页

作者： Cameron Barton Andriy Noshchenko Vikas V Patel Christopher M J Cain Christopher Kleck Evalina L Burger Department of Orthopedics and Rehabilitation University of Iowa Department of Orthopedics University of ColoradoAnschutz Medical Campus

AIM To determine the incidence and risk factors for mechanical complications （MC） after surgical correction of adult spinal deformity （ASD） with *** retrospective study was performed. Inclusion criteria： Surgical correction of ASD using osteotomy; male or female; 〉 20 years old; follow-up ≥ 24 mo or revision. The MC of spine and spinal instrumentation were studied separately. Risk analysis included assessment of the association between more than 50 different characteristics （demographic, clinical, radiographic, and instrumentation） with different types of *** medical records of 94 operations in 88 subjects were analyzed： Female （68%）, mean age 58.6 （SD, 12.7） years. Cumulative incidence of MC at 2 year follow-up was 43.6%. Of these, 78% required revision （ P 〈 0.001）. The following characteristics had significant （ P ≤ 0.05） association with MC：（1） Preoperative： osteoporosis, smoking, previous spinal operation, sagittal vertical axis （SVA）〉 100 mm, lumbar lordosis （LL）〈 34°; （2） postoperative： SVA 〉 75 mm; operative correction： SVA 〉 75 mm, LL 〉 30°, thoracic kyphosis 〉 25°, and pelvic tilt 〉 9°; a fall; pseudarthrosis; and （3） device and surgical technique： use of previously implanted instrumentation; use of domino and/or parallel connectors; type of osteotomy （PSO vs SPO） if preoperative SVA 〈 100 mm; lumbar osteotomy location; in-situ rod contouring 〉 60°; and fxation to sacrum/*** of MC after surgical correction of ASD is substantial. To decrease this risk over- and/or insuffcient correction of the sagittal imbalance should be avoided.

关键词： Adult spinal deformity Osteotomy Risk factors mechanical complications

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