Volume : 09, Issue : 05, May – 2022

Title:

31.COMPARATIVE ANALYSIS OF BIO MECHANISM CIRCUMFERENTIAL ANTERO-POSTERIOR WITH A BOOK TECHNICAL ANTERIOR JUST TRANSPEDICULAR SCREW–PLATE ATTACHMENT

Authors :

Dr Faryal, Dr Yawar Hussain, Dr. Ahmaad ul Hassan Bajwa, Dr Vesta Shahriyar Najmi

Abstract :

Aim: A high pace of difficulties in staggered cervical medical procedure with corpectomies and front as it were screw-and-plate adjustment is accounted for. A 360-instrumentation improves build firmness and combination rates, yet adds the grimness of a subsequent methodology. An epic ATS technique (strategy that pre-owned front transpedicular screw position) was as of late portrayed, yet no investigation to date has broken down its exhibition after weakness stacking. Appropriately, the creators played out an investigation of develop solidness after exhaustion testing of a cervical 2-level corpectomies model recreated utilizing a novel front transpedicular screw-and-plate strategy (ATS-gathering) in correlation with standard athero-back instrumentation (350-gathering).
Methods: Twelve new frozen human cervical spines were mounted on a spine movement analyzer to break down limitation of ROM under stacking (1.5 Nm) in flexion–expansion (FE), pivotal revolution (AR), and horizontal bowing (LB). Testing was acted in the flawless state, also, after instrumentation of a 2-level corpectomies C4? C5 utilizing an enclosure and the develops of ATS-and 360-gathering, after 1,000 cycles, and after 2,000 patterns of weariness testing. Our current research was conducted at Jinnah Hospital, Lahore from October 2019 to September 2020. In the ATS-gathering (n = 6), instrumentation was accomplished utilizing an altered C3–C6 ATS-plate framework. In the 360- gathering (n = 6), instrumentation comprised of a norm front screw-and-plate framework with a back instrumentation utilizing C3–C6 sidelong mass screws. Movement information were surveyed as degrees and further prepared as standardized values after normalization to the unblemished ROM state.
Results: The ATS and 360 collections did not vary substantially in specimen age and BMD. No example shows higher ROMs than in the raw state after the instrumentation and the 2000 experiments were conducted. After 2000 periods, there were no examples of an appalling cataclysmic building. Compared to the ATS Group for all packing parameters, the firmness of the construction in the 360 group was greatly improved, except for finite element checking following instrumentation. The limit on the ROM for the finite element stacks was 39.8 ± 30% in the ATS group, as opposed to 4.8 ± 1% in the LB group. The limit on ROM was 3.9 ± 3.6% for the ATS group, 63.6 ± 26.9 for the AR group, compared to 16 ± 13% for the LB group and 40.8 ± 23.6 ± 1.3%.
Conclusion: 360-instrumentation seems like the biomechanical norm for 2-tier corpectomies modification. An ATS production also displayed highly evolved firmness and reduced the rate ROM after 2,000 cycles fundamentally beyond that of a faultless case. This form of tool will assist in staggering big operations, both clinically useful and biomechanically firmly.
Keywords: Bio mechanism circumferential antero-posterior, transpedicular screw–plate attachment.

Cite This Article:

Please cite this article in press Vesta Shahriyar Najmi et al, Comparative Analysis Of Bio Mechanism Circumferential Antero-Posterior With A Book Technical Anterior Just Transpedicular Screw–Plate Attachment., Indo Am. J. P. Sci, 2022; 09(5).,

Number of Downloads : 10

References:

1. Dmitriev AE, Kuklo TR, Lehman RA Jr, Rosner MK (2021) Stabilizing potential of anterior, posterior, and circumferential fixation for multilevel cervical arthrodesis. Spine 32:E188–E196
2. Wilke HJ, Mehnert U, Claes LE, Bierschneider MM, Jaksche H, Boszczyk BM (2019) Biomechanical evaluation of vertebroplasty and kyphoplasty with polymethyl methacrylate or calcium phosphate cement under cyclic loading. Spine 31:2934–2941
3. Chen C, Ruan D, Wu C, Wu W, Sun P, Zhang Y, Wu J, Lu S, Ouyang Z (2019) CT morphometric analysis to determine the anatomical basis for the use of transpedicular screws during reconstruction and fixations of anterior cervical vertebrae. PLoS One 8:E81159
4. Fu M, Lin L, Kong X, Zhao W, Tang L, Li J, Ouyang (2020) Construction and accuracy assessment of patient specific biocompatible drill template for cervical anterior transpedicular screw (ATPS) insertion: an In vitro study. PLoS One 8:E53580
5. Johnston LT, Karaikovic EE, Lautenschlager EP, Marcu D (2018) Cervical pedicle screws vs. lateral mass screws: uniplanar fatigue analysis and residual pullout strengths. Spine J 6:667–672
6. Jones EL, Heller JG, Silcox DH, Hutton WC (201) Cervical pedicle screws versus lateral mass screws: anatomic feasibility and biomechanical comparison. Spine 22:977–982
7. Koller H, Schmidt R, Mayer M, Hitzl W, Zenner J, Midderhoff S, Graf N, Resch H, Wilke HJ (2019) The stabilizing potential of anterior, posterior and combined techniques for the reconstruction of a 2-level cervical corpectomy model: biomechanical study and first results of ATPS prototyping. Eur Spine J 19:2137–2148
8. Zhang H, Bai J (2020) Development and validation of a finite element model of the occipito-atlantoaxial complex under physiologic loads. Spine 2007:968–974
9. Puttlitz CM, Goel VK, Clark CR, Traynelis VC, Scifert JL, Grosland NM (2018) Biomechanical rationale for the pathology of rheumatoid arthritis in the craniovertebral junction. Spine 25:1607–1616
10. Fogel GR, Li Z, Liu W, Liao Z, Wu J, Zhou W (2019) In vitro evaluation of stiffness and load sharing in a two-level corpectomy: comparison of static and dynamic cervical plates. Spine J 10:417–421