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Use of multiple rods and proximal junctional kyphosis in adult spinal deformity surgery
CONCLUSIONS: Multirod constructs for ASD are most frequently utilized in revision, long-level reconstructions with 3-column osteotomy. The use of multiple rods in ASD surgery does not result in an increased incidence of PJK and is not affected by rod metal type.PMID:37327142 | DOI:10.3171/2023.4.SPINE23209
Source: Journal of Neurosurgery.Spine - June 16, 2023 Category: Neurosurgery Authors: Jichao Ye Sachin Gupta Ali S Farooqi Tsung-Cheng Yin Alex Soroceanu Frank J Schwab Virginie Lafage Michael P Kelly Khaled Kebaish Richard Hostin Jeffrey L Gum Justin S Smith Christopher I Shaffrey Justin K Scheer Themistocles S Protopsaltis Peter G Passia Source Type: research

Careful patient selection together with optimal implant positioning may reduce but does not eliminate the risk of elevated serum cobalt and chrome levels following metal-on-metal hip resurfacing
CONCLUSIONS: A well oriented BHR acetabular component in a presumably "optimal" patient reduces the risk of having elevated serum metal ions but does not eliminate it. Insufficient cup anteversion seems to be the strongest associated factor of elevated serum metals.PMID:36314413 | DOI:10.1177/11207000221124302
Source: Hip International - October 31, 2022 Category: Orthopaedics Authors: Alexander Oxblom H åkan Hedlund Raed Itayem Li Fell änder-Tsai Mathias Vidgren Ola Rolfson Harald Brismar Source Type: research

How common is acute pelvic fixation failure after adult spine surgery? A single-center study of 358 patients
CONCLUSIONS: The acute pelvic fixation failure rate was exceedingly low in adult spine surgery. This rate may be the result of multiple factors including the preference for multirod (> 2), closed-headed pelvic screw constructs in which large-diameter long screws are used. Increasing the number of rods and screws at the lumbopelvic junction may be important factors to consider, especially for patients with high risk for nonunion.PMID:36029261 | DOI:10.3171/2022.7.SPINE22498
Source: Journal of Neurosurgery.Spine - August 27, 2022 Category: Neurosurgery Authors: Nathan J Lee Paul J Park Varun Puvanesarajah William E Clifton Kevin Kwan Cole R Morrissette Jaques L Williams Michael W Fields Eric Leung Fthimnir M Hassan Peter D Angevine Christopher E Mandigo Joseph M Lombardi Zeeshan M Sardar Ronald A Lehman Lawrence Source Type: research

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