J Clin Monit Comput DOI 10.1007/s10877-016-9848-2


Video surveillance system as an alternative in brachytherapy Carlos Ma´rquez-Rodrı´guez1 • Antonio Pernia1 • Javier Morales1 Carlos Ma´rquez-Espino´s2 • Luis M. Torres1

Received: 8 December 2015 / Accepted: 16 February 2016 Ó Springer Science+Business Media Dordrecht 2016

Dear Sirs, There has been an increasing demand in recent years for anesthetists to attend patients outside of the operating theatre, often associated with procedures carried out in areas where ionizing radiation is used. Strict protocols must be followed when treating patients with ionizing radiation and the patients’ prognosis may be affected if they are not adhered to. In such circumstances, it is necessary to use a suitable video surveillance system to adequately supervise the administration of anesthesia from adjacent protected areas. The video surveillance system in the brachytherapy area at our hospital is equipped with a camera with zoom, which

can be controlled from the protected area in order to monitor the patients. Like all electronic devices, the system is susceptible to the occasional malfunction, and here we present one such situation and the solution we found to overcome this problem. Thus, we present here the case of a patient who was programmed for co-adjuvant brachytherapy after having undergone surgery to treat an IB pT1BNxM0 endometrial carcinoma. On the day the procedure was to be carried out, the video surveillance system suffered a technical problem that could not be resolved. As such, it was decided that an alternative system would have to be used.

Fig. 1 Schematic illustration of the alternative video surveillance

& Carlos Ma´rquez-Rodrı´guez [email protected] 1

Hospital Universitario Puerta del Mar, Ca´diz, Spain


Hospital de la Lı´nea de la Concepcio´n, Ca´diz, Spain


J Clin Monit Comput

Fig. 3 Tablet playing the video remotely from the phone Fig. 2 The smathphone’s camera focusing on the screen monitor

This system that was set up involved the use of a smartphone and a tablet, the two devices communicating via a secure wireless network hotspot protected by a WPA2 PSK protocol (Fig. 1). The camera on the smartphone was used to focus on the screen monitor (Fig. 2), and we created a wireless connection to be able to access the telephone’s camera through the network established. In order to do it, there are different applications that allow us to access to the camera of our device remotely . The tablet was used to access to the smartphone’s camera in order to be able to watch and control it from the adjacent protected area (Fig. 3). This system allowed us to carry out the brachytherapy procedure as planned and without any delay to the patient.


Compliance with ethical standards Conflict of interest The authors declare that they have no conflicts of interest.

Video surveillance system as an alternative in brachytherapy.

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