Article
Clinical Neurology
Julio Urrutia, Arturo Meissner-Haecker, Nelson Astur, Manuel Valencia, Ratko Yurac, Gaston Camino-Willhuber, Marcelo Valacco
Summary: The study found that the AOSpine sacral classification system has substantial interobserver and intraobserver agreement at the type level, but only moderate agreement at the subtype level. Future research should further evaluate whether this classification system can assist surgeons in making optimal treatment decisions.
Review
Clinical Neurology
Joshua M. Kolz, Scott A. Mitchell, Benjamin D. Elder, Arjun S. Sebastian, Paul M. Huddleston, Brett A. Freedman
Summary: This study aims to describe the characteristics, presentation, evaluation, treatment options, and outcomes of patients with sacral insufficiency fracture after short-segment lumbosacral fusion. Results showed that sacral insufficiency fracture commonly occurred within 42 days after surgery, presenting as new sacral pain, radiculopathy, or neurologic deficit. Operative fixation often involved extension of the construct and fusion to the pelvis.
GLOBAL SPINE JOURNAL
(2022)
Article
Quantum Science & Technology
Johannes Jakob Meyer, Marian Mularski, Elies Gil-Fuster, Antonio Anna Mele, Francesco Arzani, Alissa Wilms, Jens Eisert
Summary: Variational quantum machine learning is a widely studied application of near-term quantum computers. This work explores how symmetries of the learning problem can be used to construct quantum learning models with symmetrical outcomes. By utilizing tools from representation theory, a standard gateset can be transformed into an equivariant gateset that respects the symmetries of the problem. The proposed methods are benchmarked on toy problems and show a substantial increase in generalization performance.
Article
Multidisciplinary Sciences
Jui-Ping Chen, Ping-Jui Tsai, Chun-Yi Su, I. -Chuan Tseng, Ying-Chao Chou, I. -Jung Chen, Pai-Wei Lee, Yi-Hsun Yu
Summary: This study aimed to evaluate the accuracy, efficacy, and safety of percutaneous iliosacral screw and trans-iliac trans-sacral screw insertion, and identify potential risk factors for mal-positioned screws. The results showed that placing the screws under the guidance of single C-arm fluoroscopy intensifier is a reliable and safe technique. However, caution should be exercised when performing this procedure in patients with a high body mass index.
SCIENTIFIC REPORTS
(2022)
Article
Orthopedics
Bernhard W. Ullrich, Klaus J. Schnake, Ulrich J. A. Spiegl, Philipp Schenk, Thomas Mendel, Lars Behr, Philipp Bula, Laura B. Fluecht, Alexander Franck, Erol Gercek, Sebastian Grueninger, Philipp Hartung, Cornelius Jacobs, Sebastian Katscher, Friederike Klauke, Katja Liepold, Christian W. Mueller, Michael Mueller, Georg Osterhoff, Axel Partenheimer, Stefan Piltz, Marion Riehle, Daniel Sauer, Max Joseph Scheyerer, Philipp Schleicher, Gregor Schmeiser, Rene Schmidt, Matti Scholz, Holger Siekmann, Kai Sprengel, Dietrich Stoevesandt, Akhil Verheyden, Volker Zimmermann
Summary: The study successfully developed a simple and reliable CT- and MRI-based classification system for osteoporotic fractures of the pelvis, showing substantial inter-rater and almost perfect intra-rater reliability.
BMC MUSCULOSKELETAL DISORDERS
(2021)
Article
Clinical Neurology
Kee-Yong Ha, Young-Hoon Kim, Hyung-Youl Park, Dong-Gune Chang, Chang-Hee Cho, Hun-Chul Kim, Ryu-Kyoung Cho, Sang-Il Kim
Summary: This study retrospectively analyzed cases of SIF after ILSF, finding that patients with bilateral vertical or horizontal SIF had significant pelvic deformities and were more likely to require surgical treatment compared to those with unilateral vertical SIF.
JOURNAL OF CLINICAL NEUROSCIENCE
(2021)
Article
Multidisciplinary Sciences
Michal Kulakowski, Karol Elster, Pawel Reichert, Aleksandra Krolikowska, Joanna Jerominko, Pawel Sleczka, Magdalena Grzonkowska, Michal Szpinda, Mariusz Baumgart
Summary: This study investigated the relationship between the lumbosacral trunk and the sacroiliac joint (SIJ) and determined the safe zone and direction for anterior plating. Measurements were taken using MRI and CT scans, and the results provided valuable information for surgeons.
Review
Critical Care Medicine
Rodney Y. Arthur, Joey P. Johnson
Summary: Sacral fractures can occur as a result of high energy trauma in young adults and low energy trauma in older adults. Nonunion, a rare but debilitating complication of sacral fractures, can be managed with various surgical techniques such as open reduction and internal fixation or percutaneous screw fixation. This article reviews the initial management of sacral fractures, risk factors for nonunion, and the outcomes of different treatment strategies.
INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED
(2023)
Article
Orthopedics
Eslam A. Elsherif, Morad O. Mokhtar
Summary: This study compared the effectiveness of direct and indirect decompression surgery for treating lumbosacral plexus injury associated with sacral fractures and found that indirect decompression had similar neurological recovery and functional outcomes compared to direct decompression. Restoring lumbosacropelvic stability and anatomical reduction seem to be more crucial for better functional outcomes and neurological recovery than direct decompression.
CLINICS IN ORTHOPEDIC SURGERY
(2023)
Article
Orthopedics
Shao Jin Teo, Don Thong Siang Koh, Jun Wei Soong, William Yeo, Adrian Wilson, Kong Hwee Lee
Summary: This study aims to illustrate a case series of CWDFO with low rates of hinge fracture utilizing a preferred hinge point site, which can effectively reduce the incidence of hinge fractures and achieve successful outcomes for the treatment of unicompartmental knee osteoarthritis with coronal plane deformity.
KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY
(2023)
Article
Multidisciplinary Sciences
Peter Grechenig, Christoph Grechenig, Gloria Hohenberger, Marco Johannes Maier, Georg Lipnik, Angelika Schwarz, Theresa di Vora, Axel Gansslen
Summary: This study evaluated the relationship between the lumbosacral trunk (LT) and the sacro-iliac joint (SIJ). Measurements of the SIJ length and distances between the spinal nerves and the SIJ showed that a longer SIJ was associated with the nerves being closer to the joint.
SCIENTIFIC REPORTS
(2021)
Article
Clinical Neurology
Brian A. Karamian, Gregory D. Schroeder, Hanna A. Levy, Jose A. Canseco, Lorin M. Benneker, Frank Kandziora, Shanmuganathan Rajasekaran, F. Cumhur Oner, Klaus J. Schnake, Christopher K. Kepler, Alexander R. Vaccaro
Summary: The study found that surgeons' level of experience and subspeciality training significantly influence the reliability and accuracy of sacral fracture classification. Data demonstrated excellent intraobserver and interobserver reliability among surgeons from various backgrounds, with correct classification rates exceeding 90% for morphology and 80% for subtype according to the gold standard.
Article
Surgery
Zhao-Jie Liu, Ya Gu, Jian Jia
Summary: Robot-aided triangular osteosynthesis (TOS) for the treatment of unilateral unstable sacral fractures (USFs) combined with ipsilateral lumbosacral junction injury (LSJI) is safe and feasible, with the advantages of less radiation exposure and fewer incision-related complications.
Article
Orthopedics
Gregory D. Schroeder, Brian A. Karamian, Jose A. Canseco, Luiz R. Vialle, Frank Kandziora, Lorin M. Benneker, Shanmuganathan Rajasekaran, Jorg H. Holstein, Klaus J. Schnake, Mark F. Kurd, Marcel F. Dvorak, Emiliano N. Vialle, Andrei F. Joaquim, Rishi M. Kanna, Michael Fehlings, Jefferson R. Wilson, Jens R. Chapman, James C. Krieg, Conor P. Kleweno, Reza Firoozabadi, F. Cumhur Oner, Christopher K. Kepler, Alexander R. Vaccaro
Summary: The study demonstrated the universal reliability of the AO Spine Sacral Classification System among general orthopaedic surgeons and subspecialists worldwide, with substantial interobserver and excellent intraobserver reliability. The classification system successfully delineated difficult injury subtypes, and showed high levels of agreement and reproducibility in assessments.
JOURNAL OF ORTHOPAEDIC TRAUMA
(2021)
Article
Critical Care Medicine
Arturo Meissner-Haecker, Claudio Diaz-Ledezma, Ianiv Klaber, Tomas Zamora, Manuel Valencia, Gaston Camino-Willhuber, Nelson Astur, Ratko Yurac, Marcelo Valacco, Julio Urrutia
Summary: Consistent communication among spine and pelvic trauma surgeons is crucial for the treatment of sacral fractures. This study independently assessed the agreement of the new AOSpine sacral fracture classification system among these surgical specialists. The results showed substantial agreement in fracture severity types, but only moderate agreement in subtypes.
INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED
(2022)