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13 results on '"Jaikaransingh, Dominic"'

8. Defining a national reference level for intraoperative radiation exposure in urological procedures: FLASH, a retrospective multicentre UK study

Author

Simson, Nick, primary, Stonier, Thomas, additional, Suleyman, Narin, additional, Hendry, Jane, additional, Salib, Miriam, additional, Peacock, Julian, additional, Connor, Martin, additional, Jones, Oliver, additional, Schuster-Bruce, James, additional, Bottrell, Oliver, additional, Lovegrove, Catherine, additional, English, Louise, additional, Hamami, Heba, additional, Horn, Charles, additional, Bagley, Joseph, additional, Bareh, Abdurahman, additional, Jaikaransingh, Dominic, additional, Mohamed, Nusrat, additional, Ukwu, Uchenna, additional, Shanmugathas, Nimlan, additional, Batura, Deepak, additional, McDonald, Jean, additional, Charitopoulos, Konstantinos, additional, Graham, Alison, additional, Zakikhani, Paimaun, additional, Taneja, Sanjeev, additional, Sells, Henry, additional, Bolgeri, Marco, additional, Wiseman, Oliver, additional, Bycroft, John, additional, Qteishat, Ahmed, additional, and Aboumarzouk, Omar, additional

Published
2019
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9. PD01-11 DEFINING A NATIONAL REFERENCE LEVEL FOR INTRA-OPERATIVE RADIATION EXPOSURE IN UROLOGICAL PROCEDURES: FLASH; A RETROSPECTIVE MULTI-CENTRE STUDY

Author

Simson*, Nick, primary, Stonier, Thomas, additional, Suleyman, Narin, additional, Peacock, Julian, additional, Salib, Miriam, additional, Bottrell, Oliver, additional, Connor, Martin, additional, Hendry, Jane, additional, Jones, Oliver, additional, Schuster-Bruce, James, additional, Horn, Charles, additional, English, Louise, additional, Hamami, Heba, additional, Lovegrove, Catherine, additional, Bagley, Joseph, additional, Bareh, Abdurahman, additional, Jaikaransingh, Dominic, additional, Mohamed, Nusrat, additional, Ukwu, Uchenna, additional, Shanmugathas, Nimlan, additional, Bycroft, John, additional, Wiseman, Oliver, additional, Qteishat, Ahmed, additional, Bolgeri, Marco, additional, and Aboumarzouk, Omar, additional

Published
2019
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10. MRI guidelines for patients with cochlear implants.

Author

Jaikaransingh, Dominic

Abstract

Background:Traditionally, the ferromagnetic component of a cochlear implant package has meant that MRI is contraindicated. There have been several measures recently put in place to minimise morbidity to patients with cochlear implantation who require serial MRI scans.Objectives:We provide a reference guideline for ENT surgeons, medical doctors including radiologists and radiographers about current and historical MRI compatibility with different cochlear implants.Methodology:We performed a systematic review of the literature and official manufacturer directed guidelines for MRI compatibility with current and historical cochlear implant systems commonly used. Results:MRI specification, head wrapping technique and patient positioning can allow MRI imaging in patients with cochlear implants without pre-scanning surgical intervention. Image quality around the implant can be significantly degraded in certain situations.Conclusion:We present a systematic review of all current and historical cochlear implants that may be encountered in clinical practice and present guidance on MRI considerations.

Published
2017

11. Defining a national reference level for intraoperative radiation exposure in urological procedures: FLASH, a retrospective multicentre UK study.

Author

Simson, Nick, Stonier, Thomas, Suleyman, Narin, Hendry, Jane, Salib, Miriam, Peacock, Julian, Connor, Martin, Jones, Oliver, Schuster‐Bruce, James, Bottrell, Oliver, Lovegrove, Catherine, English, Louise, Hamami, Heba, Horn, Charles, Bagley, Joseph, Bareh, Abdurahman, Jaikaransingh, Dominic, Mohamed, Nusrat, Ukwu, Uchenna, and Shanmugathas, Nimlan

Subjects
RADIATION exposure, PERCUTANEOUS nephrolithotomy, HOSPITAL utilization, UROLOGICAL surgery, FLUOROSCOPY, RADIATION
Abstract

Objectives: To define reference levels for intraoperative radiation during stent insertion, ureteroscopy (URS), and percutaneous nephrolithotomy (PCNL); to identify variation in radiation exposure between individual hospitals across the UK, between low‐ and high‐volume PCNL centres, and between grade of lead surgeon. Patients/Subjects and Methods: In all, 3651 patients were identified retrospectively across 12 UK hospitals over a 1‐year period. Radiation exposure was defined in terms of total fluoroscopy time (FT) and dose area product (DAP). The 75th percentiles of median values for each hospital were used to define reference levels for each procedure. Results: Reference levels: ureteric stent insertion/replacement (DAP, 2.3 Gy/cm2; FT, 49 s); URS (DAP, 2.8 Gy/cm2; FT, 57 s); PCNL (DAP, 24.1 Gy/cm2; FT, 431 s). Significant variations in the median DAP and FT were identified between individual centres for all procedures (P < 0.001). For PCNL, there was a statistically significant difference between DAP for low‐ (<50 cases/annum) and high‐volume centres (>50 cases/annum), at a median DAP of 15.0 Gy/cm2 vs 4.2 Gy/cm2 (P < 0.001). For stent procedures, the median DAP and FT differed significantly between grade of lead surgeon: Consultant (DAP, 2.17 Gy/cm2; FT, 41 s) vs Registrar (DAP, 1.38 Gy/cm2; FT, 26 s; P < 0.001). Conclusion: This multicentre study is the largest of its kind. It provides the first national reference level to guide fluoroscopy use in urological procedures, thereby adding a quantitative and objective value to complement the principles of keeping radiation exposure 'as low as reasonably achievable'. This snapshot of real‐time data shows significant variation around the country, as well as significant differences between low‐ and high‐volume centres for PCNL, and grade of lead surgeon for stent procedures. [ABSTRACT FROM AUTHOR]

Published
2020
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