1.Do Obstetric Patients Opt to Undergo General Anaesthesia to Avoid Being Conscious Despite Safer Alternatives?
Daryl Ja TAN ; Melissa Mh CHAN
Annals of the Academy of Medicine, Singapore 2017;46(6):248-251
There are various modes of anaesthesia available in the community today. This gives anaesthesiologists the freedom to select those that are safe, efficacious and most suitable for patients. However, patients may not always agree with their anaesthesiologist on the preferred mode of anaesthesia because they may have a different set of priorities, with many of them electing to have the lack of intraoperative awareness as the primary objective. Hence, disagreements between anaesthesiologists and patients may arise and could potentially disrupt doctor-patient relationship. This paper attempts to explore the possible reasons for obstetric patients championing for certain modes of anaesthesia and to provide an insight into the need for adequate patient education.
2.The use of tissue fiducial markers in improving the accuracy of post-prostatectomy radiotherapy
Michael CHAO ; Huong HO ; Daryl Lim JOON ; Yee CHAN ; Sandra SPENCER ; Michael NG ; Jason WASIAK ; Nathan LAWRENTSCHUK ; Kevin MCMILLAN ; Shomik SENGUPTA ; Alwin TAN ; George KOUFOGIANNIS ; Margaret COKELEK ; Farshad FOROUDI ; Tristan Scott KHONG ; Damien BOLTON
Radiation Oncology Journal 2019;37(1):43-50
PURPOSE: The aim of this retrospective study was to investigate the use of a radiopaque tissue fiducial marker (TFM) in the treatment of prostate cancer patients who undergo post-prostatectomy radiotherapy (PPRT). TFM safety, its role and benefit in quantifying the set-up uncertainties in patients undergoing PPRT image-guided radiotherapy were assessed. MATERIALS AND METHODS: A total of 45 consecutive PPRT patients underwent transperineal implantation of TFM at the level of vesicourethral anastomosis in the retrovesical tissue prior to intensity-modulated radiotherapy. Prostate bed motion was calculated by measuring the position of the TFM relative to the pelvic bony anatomy on daily cone-beam computed tomography. The stability and visibility of the TFM were assessed in the initial 10 patients. RESULTS: No postoperative complications were recorded. A total of 3,500 images were analysed. The calculated prostate bed motion for bony landmark matching relative to TFM were 2.25 mm in the left-right, 5.89 mm in the superior-inferior, and 6.59 mm in the anterior-posterior directions. A significant 36% reduction in the mean volume of rectum receiving 70 Gy (rV₇₀) was achieved for a uniform planning target volume (PTV) margin of 7 mm compared with the Australian and New Zealand Faculty of Radiation Oncology Genito-Urinary Group recommended PTV margin of 10 mm. CONCLUSION: The use of TFM was safe and can potentially eliminate set-up errors associated with bony landmark matching, thereby allowing for tighter PTV margins and a consequent favourable reduction in dose delivered to the bladder and rectum, with potential improvements in toxicities.
Clothing
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Cone-Beam Computed Tomography
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Fiducial Markers
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Humans
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New Zealand
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Postoperative Complications
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Prostate
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Prostatectomy
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Prostatic Neoplasms
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Radiation Oncology
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Radiotherapy
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Radiotherapy, Image-Guided
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Radiotherapy, Intensity-Modulated
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Rectum
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Retrospective Studies
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Urinary Bladder
3.A randomised, double-blinded clinical study on the efficacy of multimedia presentation using an iPad for patient education of postoperative hip surgery patients in a public hospital in Singapore.
Rachel-Kim DALLIMORE ; Marxengel Leonin ASINAS-TAN ; Daryl CHAN ; Suharti HUSSAIN ; Catherine WILLETT ; Rahizan ZAINULDIN
Singapore medical journal 2017;58(9):562-568
INTRODUCTIONThis study compared patient satisfaction and recall of physiotherapy patient education among patients who had undergone hip surgery, with information presented via an iPad versus a standard paper booklet.
METHODSPatients who had undergone hip surgery joined and completed this single-centre study, which utilised a randomised parallel group design. They were randomly allocated to either Group A (received information on hip surgery physiotherapy via an iPad) or Group B (received the same information via a paper booklet). The participants were blinded to the intervention received by the other group and the testers were blinded to the intervention received by the participants. The interventions were carried out during the patients' first four postoperative physiotherapy sessions. The outcome measures were recorded using pre-validated questionnaires.
RESULTSA total of 42 participants (mean age 70 ± 12 years) were recruited. After the intervention, patients in both groups had improved recall of the information presented during patient education. However, the patients in Group A had a significantly better recall score than those in Group B (4.0 points higher, p < 0.001). The level of patient satisfaction was also significantly higher in Group A than in Group B (8.5 points higher, p < 0.001).
CONCLUSIONWhile the use of an iPad and a paper booklet both had positive outcomes for patient recall and satisfaction, the use of an iPad was found to be more effective at improving patient satisfaction and recall of physiotherapy patient education in the present study.