Publications by authors named "Simon Y K Ong"

Article Synopsis
  • Mentoring is essential for professional identity formation (PIF), as it fosters personalized relationships and integrates program values, though its mechanisms remain unclear.
  • A systematic scoping review examined existing literature on mentoring support from 2000 to mid-2023, using rigorous methodology to analyze themes and categories.
  • Key findings highlight four domains vital to effective mentoring support: definitions and roles, personalisation, shepherding, and PIF, showcasing the importance of adapting mentoring approaches to meet individual mentee needs.
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The cost of caring for patients and their families in the midst of interconnected resource, ethical, moral, legal and practical considerations compromises a physician's emotional and physical well-being and therefore patient care. Whilst the cost of caring is historically best associated with compassion fatigue, data has suggested that this may extend to other related concepts, such as vicarious trauma, secondary traumatic stress and burnout. In particular, palliative care physicians are especially vulnerable as they witness and encounter more cases of death and dying.

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Background: Journeying with patients throughout their cancer trajectory and caring for them at the end of life can lead to emotional and moral distress in oncologists, negatively impacting their personal and professional identities. A better understanding of how transitions in care goals affect oncologists can shed light on the challenges faced and the support required. This study explored the impact of care transitions on oncologists' professional identity formation (PIF).

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Background: Mentoring can help shape how medical students think, feel, and act as physicians. Yet, the mechanism in which it influences this process of professional identity formation (PIF) remains poorly understood. Through the lens of the ecological systems theory, this study explores the interconnected and dynamic system of mentoring relationships and resources that support professional development and growth within the Palliative Medicine Initiative (PMI), a structured research peer mentoring program.

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Article Synopsis
  • - The study explores how mentorship in medical education has transitioned from a one-on-one relationship to include group and peer mentoring, highlighting its evolving and context-specific nature.
  • - A systematic review of literature from 2000 to 2023 identified 216 articles that illustrate mentoring as a complex adaptive system (CAS), with key characteristics such as community dynamics and long-term support.
  • - The conclusion stresses the need to rethink how mentorship is designed and supported in medical training, emphasizing the importance of understanding mentorship as a CAS for enhancing mentor training and support.
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Background: Reviewing experiences and recognizing the impact of personal and professional views and emotions upon conduct shapes a physician's professional and personal development, molding their professional identity formation (PIF). Poor appreciation on the role of reflection, shortages in trained tutors and inadequate 'protected time' for reflections in packed medical curricula has hindered its integration into medical education. Group reflection could be a viable alternative to individual reflections; however, this nascent practice requires further study.

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Purpose: Peptide receptor radionuclide therapy (PRRT) is a targeted molecular therapy used to treat neuroendocrine tumours (NETs). It has been shown to be effective and well tolerated in patients with metastatic NETs in several centres in the USA, Europe, and Australia. Tolerability and efficacy data emerging from Asian centres remain few.

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Evolving individual, contextual, organizational, interactional and sociocultural factors have complicated efforts to shape the professional identity formation (PIF) of medical students or how they feel, act and think as professionals. However, an almost exclusive reliance on online learning during the COVID-19 pandemic offers a unique opportunity to study the elemental structures that shape PIF and the environmental factors nurturing it. We propose two independent Systematic Evidence-Based Approach guided systematic scoping reviews (SSR in SEBA)s to map accounts of online learning environment and netiquette that structure online programs.

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Introduction: Despite advances in diagnosis and management, patients with advanced pheochromocytomas and paragangliomas (PPGL) face limited treatment options. This study aims to evaluate the safety and efficacy of peptide receptor radionuclide therapy (PRRT) in patients with advanced PPGL, based on a single-institution experience and provide a comprehensive review of the literature.

Methods: A retrospective analysis was conducted on patients with advanced pheochromocytoma and paraganglioma who received PRRT at a single institution from April 2012 to March 2022.

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Background: Medical education has enjoyed mixed fortunes nurturing professional identity formation (PIF), or how medical students think, feel and act as physicians. New data suggests that structured mentoring programs like the Palliative Medicine Initiative (PMI) may offer a means of developing PIF in a consistent manner. To better understand how a well-established structured research mentoring program shapes PIF, a study of the experiences of PMI mentees is proposed.

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Background: Mentoring plays a pivotal yet poorly understood role in shaping a physician's professional identity formation (PIF) or how they see, feel and act as professionals. New theories posit that mentoring nurtures PIF by functioning as a community of practice through its structured approach and its support of a socialisation process made possible by its assessment-directed personalized support. To test this theory and reshape the design, employ and support of mentoring programs, we evaluate peer-mentor experiences within the Palliative Medicine Initiative's structured research mentoring program.

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We present a case of a 68-year-old man with metastatic small bowel neuroendocrine tumor who underwent 4 cycles of peptide receptor radionuclide therapy with 177 Lu-DOTATATE. For his first 3 cycles, therapy was performed approximately 4 weeks after his last dose of octreotide LAR. Because of miscommunication in scheduling, his fourth cycle was performed only 48 hours after his last full dose of octreotide LAR.

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Background: Concepts of moral distress (MD) among physicians have evolved and extend beyond the notion of psychological distress caused by being in a situation in which one is constrained from acting on what one knows to be right. With many accounts involving complex personal, professional, legal, ethical and moral issues, we propose a review of current understanding of MD among physicians.

Methods: A systematic evidence-based approach guided systematic scoping review is proposed to map the current concepts of MD among physicians published in PubMed, Embase, PsycINFO, Web of Science, SCOPUS, ERIC and Google Scholar databases.

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Background: Reflective writing (RW) allows physicians to step back, review their thoughts, goals and actions and recognise how their perspectives, motives and emotions impact their conduct. RW also helps physicians consolidate their learning and boosts their professional and personal development. In the absence of a consistent approach and amidst growing threats to RW's place in medical training, a review of theories of RW in medical education and a review to map regnant practices, programs and assessment methods are proposed.

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Background: A socioculturally appropriate appreciation of dignity is pivotal to the effective provision of care for dying patients. Yet concepts of dignity remain poorly defined. To address this gap in understanding and enhance dignity conserving end-of-life care, a review of current concepts of dignity is proposed.

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Anastomosing hemangioma (AH) is a rare benign vascular lesion that primarily involves the genitourinary tract. Cases have also rarely been reported in other organs. AH is often discovered incidentally and resembles angiosarcoma histologically.

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Context: Advanced colorectal cancer and its treatment can bring about challenges associated with psychological distress.

Objectives: The primary aims of this study were to examine the feasibility and acceptability of a cognitive behavioral therapy (CBT)-based intervention to improve coping with the disease. The secondary aim is to evaluate preliminary intervention efficacy.

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Aim: The survival benefit of using a non-cross resistant second-line chemotherapy in the third-line setting in metastatic gastroesophageal cancer is unproven. We evaluated the utility of third-line chemotherapy in patients treated at a single institution.

Methods: Between 2010 and 2014, efficacy and toxicity data of patients who received three or more lines of systemic therapies for metastatic gastroesophageal adenocarcinoma at the National Cancer Centre Singapore was retrospectively analyzed.

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Background: Epidemiological evidence suggests there are differences in gastroenteropancreatic neuroendocrine neoplasm (GEPNEN) among population groups. We aimed to contribute to the current evidence by evaluating the clinicopathological characteristics of GEPNEN in a multi-ethnic Asian group.

Materials And Methods: This was a retrospective chart review of patients diagnosed with GEPNEN at a tertiary medical institution at Singhealth Outram Campus, Singapore, between 1995 and 2015.

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5-Fluorouracil (5-FU) and its pro-drug Capecitabine have been widely used in treating colorectal cancer. However, not all patients will respond to the drug, hence there is a need to develop reliable early predictive biomarkers for 5-FU response. Here, we report a novel potentially functional Single Nucleotide Polymorphism (pfSNP) approach to identify SNPs that may serve as predictive biomarkers of response to 5-FU in Chinese metastatic colorectal cancer (CRC) patients.

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Background: Serum carcinoembryonic antigen (CEA) is the only marker recommended for surveillance of colorectal cancer (CRC) recurrence; its sensitivity and specificity, however, are suboptimal. This study sought to evaluate the values of postoperative serum methylation levels of 7 genes for prognostication and especially for recurrence detection after curative resection.

Methods: This prospective cohort study included 150 patients with stage I-III CRC from whom 3 consecutive blood sampling was taken 1 week before, and 6 months and 1 year after operation.

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Objective: To identify methylated genes in serum with diagnostic potentials for early colorectal cancer (CRC).

Methods: Serum methylation levels of up to 12 genes were measured in two sets of serum samples with the second set from 26 stage I CRC patients and 26 age/gender-matched controls.

Results: Serum methylation levels of TAC1, SEPT9, and EYA4 were significant discriminants between stage I CRC and healthy controls.

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Introduction: More than half of all deaths in Singapore occur in hospitals. Little is known about the quality of care received by dying patients in hospitals. The Liverpool Care Pathway (LCP) provides a framework of providing good end-of-life care for dying patients and has been used with success in the United Kingdom (UK).

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Purpose: To evaluate the maximum tolerated dose (MTD) and pharmacokinetic profile of a chronomodulated, dose-intensified regimen of capecitabine in combination with oxaliplatin (XELOX) in metastatic colorectal cancer (mCRC).

Methods: Patients (N = 18) with 0 or 1 line of prior chemotherapy received oxaliplatin 100 mg/m(2) on day 1 from 1400 to 1800 hours with escalating dose levels of capecitabine (2,500, 3,000, 3,500, 4,000, 4,500, and 5,000 mg) once daily taken at 2400 hours on days 1-5. Each cycle lasted 14 days.

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Introduction: Communication between patients and physicians is crucial in the disclosure of cancer diagnosis. Although westernisation of Asian societies has resulted in increased awareness of patient autonomy, the family continues to play an important influencing role in the disclosure process. Therefore, in this study, we aimed to characterise the experience of physicians with the disclosure of cancer diagnosis in a westernised Asian population.

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