Magnetically-controlled growing rods
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Cheung JPY, Sze KY, Cheung KMC, Zhang T. The first magnetically controlled growing rod (MCGR) in the world – lessons learned and how the identified complications helped to develop the implant in the past decade : case report. BMC Musculoskelet Disord. 2021 ;22 :319. Doi : 10.1186/s12891-021-04181-0.
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Zhang T, Sze KY, Peng ZW, Cheung KMC, Lui YF, Wong YW, Kwan KYH, Cheung JPY. Systematic investigation of metallosis associated with magnetically controlled growing rod implantation for early-onset scoliosis. Bone Joint J. 2020 ;102-B(10) :1375-1383. Doi : 10.1302/0301-620X.102B10.BJJ-2020-0842.R1.
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Obid P, Yiu K, Cheung K, Kwan K, Ruf M, Cheung JPY. Magnetically controlled growing rods in early onset scoliosis : radiological results, outcome, and complications in a series of 22 patients. Arch Orthop Trauma Surg. 2021 ;141(7) :1163-1174. doi : 10.1007/s00402-020-03518-z.
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Cheung JPY, Cheung PWH, Cheung KMC. The effect of magnetically controlled growing rods on three-dimensional changes in deformity correction. Spine Deformity. 2020 ;8(3) :537-546. doi :10.1007/s43390-020-00055-y
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Cheung JPY, Zhang T, Bow C, Kwan K, Sze KY, Cheung KMC. The crooked rod sign : a new radiological sign to detect deformed threads in the distraction mechanism of magnetically controlled growing rods and a mode of distraction failure. Spine. 2020 ;45(6) :E346-E351. doi: 10.1097/BRS.0000000000003268.
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Wu AM, Cheung JPY, Cheung KMC, Lin JL, Jin HM, Chen D, Wang XY, Zhao J, Kwan KYH. Minimum 2-year experience with magnetically controlled growing rods for the treatment of early-onset scoliosis : a systematic review. Asian Spine J. 2019 ;13(4) :682-693. Doi : 10.31616/asj.2018.0272.
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Cheung JPY, Cheung KMC. Current status of the magnetically controlled growing rod in treatment of early-onset scoliosis : What we know after a decade of experience. Journal of Orthopaedic Surgery. 2019 ;27(3).
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Cheung JPY, Yiu K, Kwan K, Cheung KMC. Mean 6-year follow-up of magnetically controlled growing rod patients with early onset scoliosis : A glimpse of what happens to graduates. Neurosurgery. 2019 ;84(5) : 1112-1123. doi : 10.1093/neuros/nyy270.
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Obid P, Yiu K, Cheung KMC, Kwan K, Ruf M, Cheung JPY, Reliability of rod lengthening, thoracic and spino-pelvic measurements on biplanar stereoradiography in patients treated with magnetically controlled growing rods. Spine. 2018 ; 43(22) :1579-1585. doi : 10.1097/BRS.0000000000002671.
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Cheung JPY, Yiu KKL, Samartzis D, Kwan K, Tan BB, Cheung KM. Rod lengthening with the magnetically controlled growing rod : factors influencing rod slippage and reduced gains during distractions. Spine. 2018 ;43(7) :E399-E405. doi :10.1097/BRS.0000000000002358.
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Kwan KYH, Alanay A, Yazici M, Demirkiran G, Helenius I, Nnadi C, Ferguson J, Akbarnia BA, Cheung JPY, Cheung KMC. Unplanned reoperations in magnetically controlled growing rod surgery for early onset scoliosis with a minimum of two-year follow-up. Spine. 2017;42(24):E1410-E1414. doi :10.1097/BRS.0000000000002297.
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Kwan KYH, Cheung JPY, Yiu KKL, Cheung KMC. Ten year follow-up of Jarcho-Levin Syndrome with thoracic insufficiency treated by VEPTR and MCGR VEPTR hybrid. Eur Spine J. 2018 ;27(Suppl 3) :287-291. doi :10.1007/s00586-017-5164-x.
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Wong CKH, Cheung JPY, Cheung PWH, Lam CLK, Cheung KMC. Traditional growing rod versus magnetically controlled growing rod for treatment of early onset scoliosis : cost analysis from implantation till skeletal maturity. J Orthop Surg. 2017 ;25(2) :2309499017705022. doi :10.1177/2309499017705022.
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Cheung JPY, Yiu KK, Bow C, Cheung PW, Samartzis D, Cheung KM. Learning curve in monitoring magnetically controlled growing rod distractions with ultrasound. Spine. 2017 ;42(17) :1289-1294. doi :10.1097/BRS.0000000000002114.
- Cheung JP, Cahill P, Yaszay B, Akbarnia BA, Cheung KM. Special article: Update on the magnetically controlled growing rod: tips and pitfalls. Journal of Orthopaedic Surgery. 2015;23(3):383-390.
- Cheung JP, Bow C, Samartzis D, Ganal-Antonio AK, Cheung KM. Clinical utility of ultrasound to prospectively monitor distraction of magnetically controlled growing rods The Spine Journal. 2015
- Stokes OM, O’Donovan EJ, Samartzis D, Bow CH, Luk KD, Cheung KM. Reducing radiation exposure in early-onset scoliosis surgery patients: novel use of ultrasonography to measure lengthening in magnetically-controlled growing rods. The Spine Journal. 2014;14(10):2397-2404.
- Cheung JP, Samartzis D, Cheung KM. A novel approach to gradual correction of severe spinal deformity in a pediatric patient using the magnetically-controlled growing rod. The Spine Journal. 2014;14(7):e7-13.
- Akbarnia BA, Cheung K, Noordeen H, Elsebaie H, Yazici M, Dannawi Z, Kabirian N. Next generation of growth-sparing techniques: preliminary clinical results of a magnetically controlled growing rod in 14 patients with early-onset scoliosis. Spine. 2013;38(8):665-670.
- Cheung KM, Cheung JP, Samartzis D, Mak KC, Wong YW, Cheung WY, Akbarnia BA, Luk KD. Magnetically controlled growing rods for severe spinal curvature in young children: a prospective case series. Lancet. 2012;379(9830):1967-1974.