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Is colonic lavage a suitable alternative for left-sided colonic emergencies?

Hui Yu Tham, Wen Hui Lim, Sneha Rajiv Jain, Cheng Han Mg, Snow Yunni Lin, Jie Ling Xiao, Fung Joon Foo, Kar Yong Wong, Choon Seng Chong,

<h4>Background</h4>The use of intra-operative colonic lavage (IOCL) with primary anastomosis remains controversial in the emergency left-sided large bowel pathologies, with alternatives including Hartmann's procedure, manual decompression and subtotal colectomy.<h4>Aim</h4>To compare the peri-operative outcomes of IOCL to other procedures.<h4>Methods</h4>Electronic databases were searched for articles employing IOCL from inception till July 13, ... Read more >>

World J Gastrointest Surg (World journal of gastrointestinal surgery)
[2021, 13(4):379-391]

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Barriers and facilitators towards colonoscopy: a qualitative systematic review.

Kia Teng Lim, Cheng Han Ng, Glenn Moses Decruz, Tian Zhi Lim, Kamala Devi, Ker-Kan Tan, Choon Seng Chong,

<h4>Objectives</h4>Colonoscopy is integral in the early detection of colorectal cancer (CRC), be it for screening, diagnostic or therapeutic intentions. Despite the presence of multiple screening modalities, colonoscopy remains integral in providing a definitive CRC diagnosis. However, uptake rates remain low worldwide with minimal understanding towards stakeholders' perspectives. This systematic review ... Read more >>

Eur J Cancer Prev (European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP))
[2021, 30(3):232-238]

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Endoscopic Submucosal Dissection vs Endoscopic Mucosal Resection for Colorectal Polyps. A Meta-Analysis 

Xiong Chang Lim, Kameswara Rishi Yeshayahu Nistala, Cheng Han Ng, Snow Yunni Lin, Darren Jun Hao Tan, Khek-Yu Ho, Mark Muthiah, Choon Seng Chong,

<h4>Background: </h4> This extensive meta-analysis sought to compare the surgical, histological, and oncological outcomes between endoscopic submucosal dissection (ESD) and endoscopic mucosal resection (EMR) in the treatment of colorectal polyps, with subgroup analysis comparing the efficacy of ESD and EMR between Japan and the rest of the world. <h4>Methods: </h4>: ... Read more >>

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Early surgery after bridge-to-surgery stenting for malignant bowel obstruction is associated with better oncological outcomes.

Tammy Lim, Hui Yu Tham, Clyve Yu Leon Yaow, Ian Jse-Wei Tan, Dedrick Kok Hong Chan, Ridzuan Farouk, Kuok Chung Lee, Bettina Lieske, Ker-Kan Tan, Choon Seng Chong,

<h4>Background</h4>Placement of self-expanding metal stents has been increasingly adopted as a bridge to surgery in patients presenting with obstructed left-sided colorectal cancers. The optimal bridging time has yet to be widely established, hence this retrospective study aims to determine the optimal bridging time to elective surgery post endoluminal stenting.<h4>Patients and ... Read more >>

Surg Endosc (Surgical endoscopy)
[2021, :]

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The unspoken reality of gender bias in surgery: A qualitative systematic review.

Wen Hui Lim, Chloe Wong, Sneha Rajiv Jain, Cheng Han Ng, Chia Hui Tai, M Kamala Devi, Dujeepa D Samarasekera, Shridhar Ganpathi Iyer, Choon Seng Chong,

<h4>Objective</h4>This study was conducted to better understand the pervasive gender barriers obstructing the progression of women in surgery by synthesising the perspectives of both female surgical trainees and surgeons.<h4>Methods</h4>Five electronic databases, including Medline, Embase, PsycINFO, CINAHL and Web of Science Core Collection, were searched for relevant articles. Following a full-text ... Read more >>

PLoS One (PloS one)
[2021, 16(2):e0246420]

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My thoughts: Unspoken truths about gender inequality in surgery across different cultures and income levels.

Sneha Rajiv Jain, Wen Hui Lim, See Teng Tan, Choon Seng Chong, Chia Hui Tai,

Am J Surg (American journal of surgery)
[2020, :]

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Controversies of colonic stenting in obstructive left colorectal cancer: a critical analysis with meta-analysis and meta-regression.

Vernicia Shu Qi Neo, Sneha Rajiv Jain, Jun Wei Yeo, Cheng Han Ng, Tiffany Rui Xuan Gan, Emile Tan, Choon Seng Chong,

<h4>Purpose</h4>After almost three decades since the first description of colonic stents, the controversies of its safe application continue to impede the readiness of adoption by clinicians for malignant left bowel obstruction. This review seeks to address some of the controversial aspects of stenting and its impact on surgical and oncological ... Read more >>

Int J Colorectal Dis (International journal of colorectal disease)
[2021, 36(4):689-700]

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Different position from traditional left lateral for colonoscopy? A meta-analysis and systematic review of randomized control trials.

Snow Yunni Lin, Clyve Yu Leon Yaow, Cheng Han Ng, Neng Wei Wong, Hui Yu Tham, Choon Seng Chong,

<h4>Background</h4>Colonoscopy requires the intubation of the cecum for screening of colorectal diseases. The conventional position used for colonoscopy is the left lateral position (LLP). However, alternative positions have also been utilized to enhance the success of intubation. Thus, the aim of this study was to perform a meta-analysis of the ... Read more >>

Chronic Dis Transl Med (Chronic diseases and translational medicine)
[2021, 7(1):27-34]

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Preoperative concerns of patients undergoing general surgery.

Joseph Yuen Juin Cheng, Bryan Wei Zhi Wong, Yip Han Chin, Zhi Hao Ong, Cheng Han Ng, Hui Yu Tham, Dujeepa D Samarasekera, Kamala M Devi, Choon Seng Chong,

<h4>Objectives</h4>This qualitative review aims to provide a clearer understanding of concerns general surgery (GS) patients face in the preoperative period.<h4>Methods</h4>Medline, CINAHL, PsycINFO and Web of Science were searched for articles describing the preoperative concerns of GS patients. Qualitative and mixed method studies were included. Key quotes were extracted, coded, and ... Read more >>

Patient Educ Couns (Patient education and counseling)
[2021, 104(6):1467-1473]

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Kono-S anastomosis for Crohn's disease: a systemic review, meta-analysis, and meta-regression.

Cheng Han Ng, Yip Han Chin, Snow Yunni Lin, Jeffery Wei Heng Koh, Bettina Lieske, Frederick Hong-Xiang Koh, Choon Seng Chong, Fung Joon Foo,

The Kono-S anastomosis was introduced in 2011 as an alternative anastomosis in Crohn's disease (CD) surgery. Since then, prevailing evidence of the favorable results of the Kono-S anastomosis has been published from around the world. We conducted this study to analyze the effectiveness of the Kono-S anastomosis, by searching Medline, ... Read more >>

Surg Today (Surgery today)
[2021, 51(4):493-501]

Cited: 1 time

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Indocyanine green fluorescent imaging on anastomotic leakage in colectomies: a network meta-analysis and systematic review.

Hao Ting Mok, Zhi Hao Ong, Clyve Yu Leon Yaow, Cheng Han Ng, Bryan Jun Liang Buan, Neng Wei Wong, Choon Seng Chong,

<h4>Purpose</h4>The usage of indocyanine green (ICG) dye is commonly associated with decreased anastomotic leakage rates in colectomies. This study aims to perform a network meta-analysis to assess the usage of ICG fluorescence imaging in right-sided colectomies.<h4>Methods</h4>Medline, Embase, Cochrane Trials, CNKI, and WanFang electronic databases were reviewed, and meta-analysis of proportions, ... Read more >>

Int J Colorectal Dis (International journal of colorectal disease)
[2020, 35(12):2365-2369]

Cited: 1 time

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Evolving perspectives on stool testing for colorectal cancer: a qualitative systematic review.

Yip Han Chin, Cheng Han Ng, Sherlyn Hui Yu Seah, Sneha Rajiv Jain, Jia Hao Law, M Kamala Devi, Choon Seng Chong,

<h4>Objectives</h4>Colorectal cancer is one of the leading causes of cancer-related deaths globally. A multitude of screening methods has been devised for early diagnosis, including the faecal immunochemical test (FIT). This qualitative review aims to discover the barriers and facilitators to the utility of the FIT from the general population's perspective.<h4>Methods</h4>Authors ... Read more >>

Eur J Cancer Prev (European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP))
[2020, 29(5):416-423]

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Neoadjuvant therapy in locally advanced colon cancer: a meta-analysis and systematic review.

Chin Kai Cheong, Kameswara Rishi Yeshayahu Nistala, Cheng Han Ng, Nicholas Syn, Heidi Sian Ying Chang, Raghav Sundar, Soon Yu Yang, Choon Seng Chong,

<h4>Background</h4>The role of perioperative or neoadjuvant chemotherapy for locally advanced colon cancer is unclear. Emerging evidence such as the FOXTROT trial is challenging the conventional norm of upfront operation for these patients. However, these trials have yet to reach statistical significance.<h4>Methods</h4>MEDLINE, Embase, Cochrane Library, China Knowledge Resource Integrated Database (CNKI) ... Read more >>

J Gastrointest Oncol (Journal of gastrointestinal oncology)
[2020, 11(5):847-857]

Cited: 1 time

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Comparing complete mesocolic excision versus conventional colectomy for colon cancer: A systematic review and meta-analysis.

Zachariah Gene Wing Ow, Wilson Sim, Kameswara Rishi Yeshayahu Nistala, Cheng Han Ng, Frederick Hong-Xiang Koh, Neng Wei Wong, Fung Joon Foo, Ker-Kan Tan, Choon Seng Chong,

Conventional colectomy, and the Japanese Society for Cancer of the Colon and Rectum (JSCCR) D2 Lymphadenectomy (LND2), are currently considered standard of care for surgical management of colon cancer. Colectomy with complete mesocolic excision (CME) and JSCCR D3 Lymphadenectomy (LND3) are more radical alternative approaches and provide a greater degree ... Read more >>

Eur J Surg Oncol (European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology)
[2021, 47(4):732-737]

Cited: 3 times

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Difficulties Faced by General Surgery Residents. A Qualitative Systematic Review.

Clyve Yu Leon Yaow, Hao Ting Mok, Cheng Han Ng, M Kamala Devi, Shridhar Iyer, Choon Seng Chong,

<h4>Background</h4>General surgery residency training is academically rigorous, taxing and involves complex operative procedures. These trainings are synonymous with alarming burnout rates, high incidence of mistreatment reports and lower job satisfaction. Moreover, the established association between residents' levels of well-being and their capacity for empathy and patient care, emphasises the urgency ... Read more >>

J Surg Educ (Journal of surgical education)
[2020, 77(6):1396-1406]

Cited: 1 time

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Metformin and colorectal cancer: a systematic review, meta-analysis and meta-regression.

Cheng-Ann Winston Ng, Amy Aimei Jiang, Emma Min Shuen Toh, Cheng Han Ng, Zhi Hao Ong, Siyu Peng, Hui Yu Tham, Raghav Sundar, Choon Seng Chong, Chin Meng Khoo,

<h4>Purpose</h4>Metformin may have a role in reducing the incidence of colorectal cancer (CRC) and improving survival outcome. This meta-analysis explored the effect of metformin use on colorectal adenoma and cancer incidence, and colorectal oncological outcomes.<h4>Methods</h4>A database search was conducted on Medline, Embase and CNKI for studies comparing metformin vs. non-metformin ... Read more >>

Int J Colorectal Dis (International journal of colorectal disease)
[2020, 35(8):1501-1512]

Cited: 5 times

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How Can Medical Education Support the Current Healthcare Initiatives in Singapore?

Zhong Hao Chia, Choon Seng Chong, Gominda Ponnamperuma, Dujeepa Samarasekera,

Ann Acad Med Singap (Annals of the Academy of Medicine, Singapore)
[2020, 49(7):501-503]

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Short Term Postoperative and Oncological Outcomes of Two-Dimensional Versus Three-Dimensional Laparoscopic Transanal Total Mesorectal Excision of Rectal Cancer.

Hwee Ting Vanessa Tey, Shuo Min Jonathan Foo, Sau Shung Fong, Choon Seng Chong,

<b><i>Background:</i></b> Transanal total mesorectal excision (TaTME) carried out synchronously with laparoscopy is a useful surgical technique in rectal cancer patients who are overweight or who have a narrow pelvis. This retrospective study aims to compare the safety and efficacy of two-dimensional (2D) and three-dimensional (3D) laparoscopic TaTME of rectal cancer ... Read more >>

J Laparoendosc Adv Surg Tech A (Journal of laparoendoscopic & advanced surgical techniques. Part A)
[2020, 30(12):1350-1353]

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Management of locally advanced synchronous colorectal and prostate cancers: A case report.

Yi Qing Tey, Kavimalar Ravi, Choon Seng Chong, Edmund Chiong, Jingshan Ho, Jeremy Chee Seong Tey, Francis Ho,

<h4>Introduction</h4>Synchronous colorectal and prostate malignancies are uncommon, with standard treatment guidelines not yet established. Chemoradiation therapy is involved in both colorectal and prostate cancers. However, differing dosage regimens and effects of irradiation field on anatomical planes for surgery makes management of the synchronous cancers challenging. We report the first case ... Read more >>

Medicine (Baltimore) (Medicine)
[2020, 99(22):e20336]

Cited: 1 time

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Multicenter study of surgical and oncologic outcomes of extra-levator versus conventional abdominoperineal excision for lower rectal cancer.

Zhanlong Shen, Zhaode Bu, Ang Li, Junyang Lu, Liyu Zhu, Choon Seng Chong, Zhidong Gao, Kewei Jiang, Shan Wang, Fei Li, Yi Xiao, Jiafu Ji, Yingjiang Ye,

<h4>Background</h4>The surgical and oncological outcome of extra-levator abdominoperineal excision (ELAPE) procedure remains unclear in low rectal cancer.<h4>Methods</h4>A total of 194 cases of rectal cancer patients underwent ELAPE or conventional abdominoperineal excision (APE) procedure were analyzed in four hospitals' databases from January 2010 to December 2015. Clinicopathological data, overall survival (OS), ... Read more >>

Eur J Surg Oncol (European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology)
[2020, 46(1):115-122]

Cited: 3 times

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Transanal Minimally Invasive Surgery (TAMIS) for Large Rectal Polyps.

Faith Qi-Hui Leong, Choon Seng Chong,

Ann Surg Oncol (Annals of surgical oncology)
[2019, 26(5):1428]

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A 53-Year-Old Man Presenting With Diplopia and Cavitary Lung Nodules.

Ken Junyang Goh, Angela Takano, Mariko Siyue Koh, Pei Yee Tiew, Choon Seng Chong, Chee Kiang Tay,

<h4>Case presentation</h4>A 53-year-old Chinese man presented with 1 week of worsening diplopia and left-sided facial droop. His symptoms developed during a readmission for elective drainage and curettage of a perianal abscess that recurred despite drainage 2 weeks before. He denied having other neurologic symptoms, and did not report any cough, sputum production, ... Read more >>

Chest (Chest)
[2019, 155(4):e107-e112]

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Response to Re: Adenocarcinoma in a Meckel's diverticulum presenting as a phlegmon: a case report and a review of the literature.

Bryan J L Buan, Heidi S Y Chang, Shi Wang, Choon Seng Chong,

ANZ J Surg (ANZ journal of surgery)
[2019, 89(4):446-447]

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Global variation in anastomosis and end colostomy formation following left-sided colorectal resection.

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<h4>Background</h4>End colostomy rates following colorectal resection vary across institutions in high-income settings, being influenced by patient, disease, surgeon and system factors. This study aimed to assess global variation in end colostomy rates after left-sided colorectal resection.<h4>Methods</h4>This study comprised an analysis of GlobalSurg-1 and -2 international, prospective, observational cohort studies (2014, ... Read more >>

BJS Open (BJS open)
[2019, 3(3):403-414]

Cited: 3 times

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Adenocarcinoma in a Meckel's diverticulum presenting as a phlegmon: a case report and a review of the literature.

Bryan J L Buan, Heidi S Y Chang, Shi Wang, Choon Seng Chong,

ANZ J Surg (ANZ journal of surgery)
[2019, 89(4):442-443]

Cited: 2 times

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