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Dr Chandramohan Sivanathan

Dr Chandramohan Sivanathan

​MBBS, MRCS, FRCR, EBIR

Senior Consultant

Singapore General Hospital

Specialty/Department: Vascular and Interventional Radiology

Conditions Treated by this Doctor:
Ablations (Microwave and Cryo) of Liver, Alcohol Sclerotherapy of Benign Thyroid Nodule, Angioplasty and Stenting of the Blood Vessels, Dialysis Fistula Interventions, Embolisation of Benign Prostate Hyperplasia (BPH), Fallopian Tube Recanalisation, Image-guided liver biopsy, Image-Guided Lung Biopsy, Malignant biliary obstruction: Percutaneous transhepatic drainage and stenting, Nephrostomy, Ureteric Stenting and Ureteric Embolisation, TIPSS, BRTO and portal hypertension, Uterine Fibroids/ Uterine Fibroid Embolisation, Vascular Access, Vascular Malformation.

Clinical Appointments

  • Senior Consultant Vascular and Interventional Radiology Singapore General HospitalSingapore General Hospital
  • Director Department of Diagnostic ＆ Interventional Imaging KK Women's and Children's HospitalKK Women's and Children's Hospital
  • Senior Consultant SingHealth Duke-NUS Vascular Centre

Profile

Dr. S.Chandramohan is a Senior Interventional Radiologist at the Department of Vascular and Interventional Radiology, Singapore General Hospital (SGH).

He graduated from Madras Medical College, India… View More +

Education

  • ​MBBS: Madras Medical College, Chennai, India (March 1997)
  • MRCS: Royal College of Physicians and Surgeons of Glasgow (February 2002)
  • FRCR: Royal College of Radiologists (November 2005)
  • EBIR: Cardiovascular and Interventional Radiological Society of Europe (CIRSE) (March 2012)

Professional Appointments and Committee Memberships

Awards

  • Associate Editor of 'Clinical Radiology' journal for vascular and interventional papers, which is the official journal of Royal College of Radiologists of UK.
  • Awarded 3 Disretionary points by NHS Greater Glasgow and Clyde.

Research Interests

  • ​Special interest in Prostate artery embolisation. Completed a trial on pre-operative embolisation of large prostate glands and On going trial on prostate embolisation for patients on anticoagulants.

Publications

  1. Lau, C. C. A., Irani, F., Shi, L., Patel, A., Da Zhuang, K., Chandramohan, S., Tan, B. S., Chong, T. T., Tan, C. S., & Tay, K. H. (2022). Cost-Effectiveness of Drug-Coated Balloon Angioplasty Compared With Conventional Balloon Angioplasty for Arteriovenous Access Flow Dysfunction. Value in Health Regional Issues, 31, 155–162.
  2. Lee, R. E., Patel, A., Soon, S. X. Y., Chan, S. L., Yap, C. J. Q., Chandramohan, S., Tay, L. H. T., Chong, T. T., & Tang, T. Y. (2022). One year clinical outcomes of Rutherford 6 chronic limb threatening ischemia patients undergoing lower limb endovascular revascularisation from Singapore. CVIR Endovascular, 5(1), 1–12.
  3. Sivapragasam, N., Matchar, D. B., Zhuang, K. D., Patel, A., Pua, U., Win, H. H., Chandramohan, S., Venkatanarasimha, N., Chua, J. M., & Tan, G. W. L. (2022). Cost-Effectiveness of Drug-Coated Balloon Angioplasty Versus Conventional Balloon Angioplasty for Treating Below-the-Knee Arteries in Chronic Limb-Threatening Ischemia: The SINGA-PACLI Trial. Cardiovascular and Interventional Radiology, 1–7.
  4. Soh, N. Y. T., Tan, B. S., Chan, S. J. M., Patel, A., Gogna, A., Zhuang, K. D., Tashi, S., Venkatanarasimha, N., Tay, K. H., & Chandramohan, S. (2022). Deeper may not be better: Relationship between catheter dysfunction and location of the catheter tip in right-sided tunnelled haemodialysis catheters. Clinical Radiology, 77(9), 678–683.
  5. Tan, Z., Chan, S. X. J. M., Da Zhuang, K., Urlings, T., Leong, S., Chua, J. M. E., Patel, A., Irani, F. G., Chandramohan, S., & Tay, K. H. (2022). Recurrent Stenoses in Arteriovenous Fistula (AVF) for Dialysis Access: Cutting Balloon Angioplasty Combined with Paclitaxel Drug-Coated Balloon Angioplasty, an Observational Clinical Study (INSTITUTION Trial)(Jan, 10.1007/s00270-021-03030-w, 2022). CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY, 45(5), 718–718.
  6. Tan, Z., Chan, S. X. J. M., Da Zhuang, K., Urlings, T., Leong, S., Chua, J. M. E., Patel, A., Irani, F. G., Chandramohan, S., & Tay, K. H. (2022). Recurrent Stenoses in Arteriovenous Fistula (AVF) for Dialysis Access: CuttIng ballooN angioplaSTy combined wITh paclitaxel drUg-coaTed balloon angioplasty, an observatIONal study (INSTITUTION Study). CardioVascular and Interventional Radiology, 45(5), 646–653.
  7. Tashi, S., Chandramohan, S., Adam, A., & Tan, B. S. (2022). Accreditation in Interventional Radiology: Why it Matters and Why we Sought IASIOS Certification. In CardioVascular and Interventional Radiology (pp. 1–2). Springer US.
  8. Zhao, J. J., Tashi, S., Lim, E. J., Wong, S. Y., Wang, Y. W., Sultana, R., Leong, S., Chua, J. M. E., Too, C. W., & Chandramohan, S. (2022). Octyl cyanoacrylate skin adhesive with or without subcuticular suture for skin closure after implantable venous port placement for oncology patients: A propensity-score matching analysis. Clinical Radiology.
  9. Goh, W. X. T., Too, C. W., Lee, K. A., Tan, B. S., Tay, K. H., Chandramohan, S., Lo, R. H. G., Irani, F. G., Venkatanarasimha, N., & Damodharan, K. (2021). Management of arterial dissections in 12 patients during transarterial chemoembolization and yttrium-90 selective internal radiotherapy for primary and secondary liver tumours. Abdominal Radiology, 46(4), 1737–1745.
  10. Lim, M., Chong, T. T., Chan, S. L., Soon, S. X. Y., Yap, C. J. Q., Patel, A., Tay, K. H., Chandramohan, S., Tay, H. T. ung L., & Tang, T. Y. (2021). Use of the ranger paclitaxel-coated balloon in patients with chronic limb-threatening ischemia: Short-term safety and efficacy results from Singapore. J Crit Limb Ischem, 1(1), E17–E26.
  11. Soon, S. X., Patel, A., Chong, T. T., Yap, C. J., Tay, H. T., Tay, K. H., Sivanathan, C., & Tang, T. Y. (2021). Distribution of peripheral arterial disease in patients undergoing endovascular revascularization for chronic limb threatening ischaemia: Insights from the vascular quality initiative in singapore. Vascular Specialist International, 37.
  12. Tang, T. Y., Patel, A., Soon, S. X. Y., Chan, S. L., Yap, C. J. Q., Chandramohan, S., & Chong, T. T. (2021). Improving medical adherence and antithrombotic management for patients with chronic limb threatening ischaemia in Singapore. Annals of the Academy of Medicine, Singapore, 50(10), 795–797.
  13. Zhang, Z., Phang, C. C., Tan, R. Y., Pang, S. C., Chandramohan, S., Zhuang, K. D., Sulaiman, M. S., Tay, K. H., Chong, T. T., & Tan, C. S. (2021). Does reducing radiation levels for procedures affect image quality and radiation to proceduralists? A double-blinded randomised study of two protocols. Clinical Radiology, 76(2), 157. e1-157. e10.
  14. Gogna, A., Punamiya, S., Gopinathan, A., Irani, F., Toh, L. H. W., Cheong, L. H. W., Babu, S., Wee, B., Goh, P., & Tan, B. P. (2020). Preparing IR for COVID-19: The Singapore experience. In Journal of Vascular and Interventional Radiology (Vol. 31, Issue 6, pp. 869–875). Elsevier.
  15. Lai, A. L., Choong, M., Toh, L., Irani, F. G., Damodharan, K., Chan, S., Too, C. W., Patel, A., Gogna, A., & Chandramohan, S. (2020). Radiological retrograde ureteric stent exchange in women: A single-centre review. Clinical Radiology, 75(6), 480. e11-480. e16.
  16. Loy, L. M., Chua, J. M. E., Chong, T. T., Chao, V. T. T., Irani, F. G., Damodharan, K., Leong, S., Chandramohan, S., Venkatanarasimha, N., & Patel, A. (2020). Type 2 Endoleaks: Common and hard to eradicate yet benign? CardioVascular and Interventional Radiology, 43(7), 963–970.
  17. Ni, W. W., Leong, S., Irani, F., Patel, A., Damodharan, K., Venkataranasimha, N., Chandramohan, S., Kumar, P., Chua, J., & Gogna, A. (2020). “Angioplasty-First” Approach for Limb Salvage in Asian Patients with Critical Limb Ischemia: Outcomes from 3,303 Angioplasties on 2,402 Limbs in a Single Tertiary Hospital. Journal of Vascular and Interventional Radiology, 31(12), 1969-1977. e1.
  18. Chan, H. Y., Choke, E. T. C., Tang, T. Y., Sivanathan, C., Jasmine, C. M. E., & Kumar, P. (2019). A Rare Cause of May-Thurner Syndrome Postarterial Intervention. Journal of Clinical Interventional Radiology ISVIR, 3(03), 180–184.
  19. Chin, Z. Y., Chandramohan, S., Kumar, P., Irani, F. G., Venkatanarasimha, N., Wei, T. C., & Leong, S. (2019). Iatrogenic pseudoaneurysm from needle aspiration of thyroid lesion: A rare but potentially life-threatening complication. Journal of Vascular and Interventional Radiology: JVIR, 30(5), 774–776.
  20. Chua, J. M., Tang, J. Y., Lim, D. S., Venkatanarasimha, N., Chandramohan, S., Too, C. W., Sanamandra, S. K., Salkade, P. R., Tan, B. S., & Damodharan, K. (2019). Should we perform fine needle aspiration cytology of subcentimetre thyroid nodules? A retrospective review of local practice. Ultrasound, 27(1), 64–68.
  21. Muli Jogi, R. K., Damodharan, K., Tan, A. C. S., Chandramohan, S., Venkatanarasimha, N. K. K., Irani, F. G., Patel, A., Gogna, A., Tay, K. H., & Urlings, T. A. J. (2018). Catheter-directed thrombolysis versus percutaneous mechanical thrombectomy in the management of acute limb ischemia: A single center review. CVIR Endovascular, 1(1), 1–5.
  22. Venkatanarasimha, N., Gogna, A., Muli Jogi, R., Damodharan, K., Chan, S. X., Ng, D. C. E., Loke, K. S. H., Irani, F. G., Lo, R. H. G., & Chandramohan, S. (2018). Complications of 90Y Transarterial Radioembolization of Hepatic Tumors: Primer for Interventional Radiology Residents and Fellows RadioGraphics Fundamentals| Online Presentation. RadioGraphics, 38(4), 1282–1283.
  23. Damodharan, K., Patel, A., Irani, F. G., Burgmans, M. C., Gogna, A., Tay, K. H., Lo, R. H., Too, C. W., Leong, S., & Venkatanarasimha, N. (2017). Drug Eluting Stents in Infrapopliteal Arterial Disease: A Pilot Safety Study in an Asian Population. Annals of the Academy of Medicine, Singapore, 46(4), 155–159.
  24. Venkatanarasimha, N., Gogna, A., Tong, K. T. A., Damodharan, K., Chow, P. K. H., Lo, R. H. G., & Chandramohan, S. (2017). Radioembolisation of hepatocellular carcinoma: A primer. Clinical Radiology, 72(12), 1002–1013.
  25. Wong, C. P., Damodharan, K., Urlings, T. A., & Chandramohan, S. (2017). Balloon-assisted venous access salvage through a thrombosed arteriovenous graft. The Journal of Vascular Access, 18(2), 173–176.
  26. Roditi, G., Christie, A., & Chandramohan, S. (2016). Lower-limb magnetic resonance angiography: Performance of extracellular contrast agents versus blood pool contrast agent for both dynamic and high spatial resolution imaging in extended phase. Clinical Radiology, 71(12), 1296–1303.
  27. Aitken, E., Geddes, C., Thomson, P., Kasthuri, R., Chandramohan, M., Berry, C., & Kingsmore, D. (2015). Immediate access arteriovenous grafts versus tunnelled central venous catheters: Study protocol for a randomised controlled trial. Trials, 16(1), 1–7.
  28. Aitken, E. L., Jackson, A. J., Hameed, H., Chandramohan, M., Kasthuri, R., & Kingsmore, D. B. (2014). Cephalic arch stenosis: Angioplasty to preserve a brachiocephalic fistula or new brachiobasilic fistula?: A cost-effectiveness study. Renal Failure, 36(10), 1550–1558.
  29. Hussey, K., & Chandramohan, S. (2014). Contemporary treatment for critical ischemia: The evidence for interventional radiology or surgery. Seminars in Interventional Radiology, 31(04), 300–306.
  30. Christie, A., Chandramohan, S., & Roditi, G. (2013). Comprehensive MRA of the lower limbs including high-resolution extended-phase infra-inguinal imaging with gadobenate dimeglumine: Initial experience with inter-individual comparison to the blood-pool contrast agent gadofosveset trisodium. Clinical Radiology, 68(2), 125–130.
  31. Christie, A., Chandramohan, S., & Roditi, G. (2013). Re: Comprehensive MRA of the lower limbs including high-resolution extended-phase infra-inguinal imaging with gadobenate dimeglumine: Initial experience with inter-individual comparison to the blood-pool contrast agent gadofosveset trisodium. A reply. Clinical Radiology, 68(10), 1087–1088.
  32. Patel, A., Edwards, R., & Chandramohan, S. (2013). Surveillance of patients post-endovascular abdominal aortic aneurysm repair (EVAR). A web-based survey of practice in the UK. Clinical Radiology, 68(6), 580–587.
  33. Kulkarni, S., Hay, C., Moss, J. G., & Chandramohan, S. (2011). Covered stent placement for duodenocolic fistula: A novel use of the" body floss" technique. Journal of Vascular and Interventional Radiology: JVIR, 22(5), 729–730.
  34. Kasthuri, R., & Chandramohan, S. (2009). Vascular interventional radiology in oncology. Imaging, 21(2), 122–130.
  35. Eason, D., & Chandramohan, S. (2008). An acute abdomen—With a twist. The British Journal of Radiology, 81(965), 437–439.
  36. Chandramohan, S., & Chakravertry, S. (2007). Re:“Scrotal varicocoele, exclude a renal tumour”. Is this evidence based? Clinical Radiology, 62(2), 192–193.
  37. Kumar, B. A., Chandramohan, S., & Parasu, N. (2005). Case of the month. Acute neck swelling. The British Journal of Radiology, 78(925), 89–90.
  38. Sivanathan, C., & Abernethy, L. J. (2003). Retrograde embolisation of varicocele in the paediatric age group: A review of 10 years’ practice. Annals of the Royal College of Surgeons of England, 85(1), 50. (i)Review Articles

Review articles
  1. Vascular interventional radiology in oncology R.Kasthuri and S.Chandramohan; Imaging.2009; 21: 122-130

Letters (e.g. to Editor) & Editorials
  1. Scrotal varicocele, exclude a renal tumour” Is this evidence based? Letter to the editor - S Chandramohan, S Chakraverty; Clin Radiol. 2007 Feb; 62(2):192-3. 
  2. Superior Mesenteric Artery Syndrome- C Sivanathan, H Dagash, Lamont Published in EURORAD online database July’01.
  3. Segond Fracture – S Chandramohan, N Parasu, TB Oliver Published in EURORAD online database March’04

Books & Chapters
  1. Imaging of the Deep Venous System - Venography / Magnetic Resonance Venography / Computed Tomography Venography. Charing Cross Symposium - Vascular and Endovascular Challenges Update 2010, S.Chandramohan, G Rodit
  2. Oxford Concise Medical Dictionary, 9th and 10th editions- Contributed to radiology entries with revision and new additions
  3. 3 chapters for the book 'Interventional radiology in palliative care'

Research Trials

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