Treatment of cancer in children often requires a combination of chemotherapy, surgery, and/or radiotherapy. Radiotherapy and chemotherapy are not painful processes, but children undergoing these procedures must be made motionless through anesthesia or sedation. There are a few reports of complications during these procedures in relation to the procedures themselves or to the anesthesia given. This report describes an unexpected pulseless radial artery which was preliminarily and unduly attributed to anesthesia. A 2.5 year-old male pediatric patient with an acute lymphoblastic leukaemia was scheduled for radiotherapy. Anesthesia with intramuscular ketamine was induced before starting radiotherapy. About 5 minutes after injection of ketamine we found the right radial pulse undetectable. There was no other manifestation of hypoxia or hypo-perfusion. Carotid pulsation was normal.  Examination of the left radial pulse and other peripheral pulses showed normal pulsation. The procedure was continued uneventfully. The next follow-up after radiotherapy, showed a scar and swelling on the right antecubital area, caused by extravasation of chemotherapeutic agent in the prior period of chemotherapy. Doppler ultrasonography of the antecubital vein confirmed the diagnosis. This case study therefore demonstrates that proper intravenous cannula establishment before chemotherapy is of great importance. Furthermore, accurate history and physical examination before induction of anesthesia or sedation may be useful in preventing mismanagement in pediatric cancer procedures.

Keywords: Anesthesia, Radiotherapy, Radial Pulse
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July-September 2019 (Volume 11, Issue 3)


Previous Issue

In the second issue of the journal Electronic Physician for 2019, we have several papers including four Randomized Controlled Trials, a model development study, a case report, an editorial, a letter to editor (LTE), and several original research including two studies with qualitative approach. Authors of this issue are from nine countries: Iran, The Netherlands, Sweden, Italy, India, Thailand, Saudi Arabia, United Arab Emirates (UAE), and Jordan. Read more...


The 6th World Conference on Research Integrity (WCRI) is to be held on June 2-5, 2019 in Hong Kong.

The WCRI is the largest and most significant international conference on research integrity. Since the first conference in Lisbon in 2007, it has given researchers, teachers, funding agencies, government officials, journal editors, senior administrators, and research students opportunities to share experiences and to discuss and promote integrity in research. Read more:


TDR Clinical Research and Development Fellowships

Call for applications

Deadline for submission: 7 March 2019, 16:00 (GMT)

TDR provides fellowships for early- to mid-career researchers and clinical trial staff (e.g. clinicians, pharmacists, medical statisticians, data managers, other health researchers) in low- and middle-income countries (LMICs) to learn how to conduct clinical trials. Read more:

Meta-Analysis Workshops in New York, USA, and London, UK, in April and May 2019

Don't miss this exceptional opportunity to learn how to perform and report a Meta-analysis correctly. Two Meta-analysis workshops are organized in April and May 2019 by Dr. Michael Borenstein in New York, USA (April 08-10, 2019) and London, UK (May 27-29).

About the Instructor

Dr. Michael Borenstein, one of the authors of Introduction to Meta-Analysis, is widely recognized for his ability to make statistical concepts accessible to researchers as well as to statisticians. He has lectured widely on meta-analysis, including at the NIH, CDC, and FDA. Read more: