Year : 2018 | Volume
: 11 | Issue : 2 | Page : 100--101
Dermatological surgery in patients with cardiac implantable electronic devices: A new paradigm
Andre B S Khoo, Vishal Madan
Department of Dermatology, Salford Royal NHS Foundation Trust, Salford, United Kingdom
Dr. Andre B S Khoo
Department of Dermatology, Box 46, Cambridge University NHS Foundation Trust, Addenbrooke’s Hospital, Hills Road, Cambridge CB2 0QQ
|How to cite this article:|
Khoo AB, Madan V. Dermatological surgery in patients with cardiac implantable electronic devices: A new paradigm.J Cutan Aesthet Surg 2018;11:100-101
|How to cite this URL:|
Khoo AB, Madan V. Dermatological surgery in patients with cardiac implantable electronic devices: A new paradigm. J Cutan Aesthet Surg [serial online] 2018 [cited 2021 Sep 27 ];11:100-101
Available from: https://www.jcasonline.com/text.asp?2018/11/2/100/240021
The presence of cardiac implantable electronic devices (CIEDs) in our patients poses a challenge to dermatologic surgery. In the UK, over 56,000 CIEDs were inserted in 2013, whereas in India, 37,000 were implanted over a similar period.
CIEDs are broadly divided into two categories—permanent pacemakers (PPM) and implantable cardioverter-defibrillators (ICDs). Pacemakers stimulate cardiac contraction using electrical impulses that are delivered via leads in the myocardium. An ICD detects abnormal heart rhythms and delivers antitachycardia pacing or shocks in response.
The primary concern with surgery in patients with CIEDs is the potential for electromagnetic interference (EMI) arising from electrosurgical techniques. The most relevant in dermatology practice is hyfrecation/electrocoagulation (low-powered monopolar or bipolar electrode). Serious adverse events include inappropriate defibrillation (ICDs) and pacemaker inhibition leading to asystole. In a 331-patient study, detectable EMI was present in 11% of the cases involving monopolar cautery but not bipolar cautery, and no serious adverse events were reported. Modern pacemakers also have inbuilt protective measures designed to resist EMI.
Historically in the UK, dermatologic surgery in the patients with CIEDs was normally covered by local perioperative surgical guidelines. These mandated discussion with the cardiology team and the use of short bursts (<4s) of bipolar cautery. In uncomplicated, non-pacemaker-dependent patients, no other measures were required. The new British Heart Rhythm Society 2016 guidelines, however, recommend routine monitoring of all patients with pacemakers undergoing surgery, regardless of dependency. This minor change in practice makes little practical difference in general surgery, where patients are routinely monitored by anesthetists, but has significant ramifications for dermatologic surgery conducted under local anesthetic in the office setting. In India, the guidance is laid out in the Cardiological Society of India/Indian Heart Rhythm Society practice guidelines on follow-up of patients with PPM. They are broadly similar to the historical practice in the UK, with no monitoring required and do not cover management of ICDs.
The recently published UK British Society for Dermatological Surgery guidelines provide a pragmatic approach to harmonize the requirements of cardiac monitoring and the challenges posed by the office surgical environment of dermatology. Essentially, historical practice remains unchanged, with liaison with the pacing team and provision of a cardiac arrest trolley with defibrillator being of paramount importance. For surgery that is conducted within 5cm of the CIED, the cardiac physiology team should be on standby in the event of any issues. If inhibition occurs then the device can be reprogrammed to “asynchronous” mode (fixed delivery of pacing) for the duration of the procedure. The patients with an ICD will require the device to be switched off for the duration of the procedure only. A key recommendation from the guidelines is the use of uncomplicated pulse oximetry to monitor the patient’s pulse in all cases. This allows for relatively straightforward monitoring of patients versus a more technically demanding reading of an electrocardiogram monitor. In the event of any adverse events, the cardiac physiology team should be notified to arrange for device follow-up.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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