Philasande Mkoko1, Nicholus Xolani Mdakane2, Glenda Govender2, Jacques Scherman3, Ashley Chin4. 1. Cardiac Clinic, Groote Schuur Hospital, Cape Town, South Africa. Email: mkkphi002@myuct.ac.za. 2. Cardiac Clinic, Groote Schuur Hospital, Cape Town, South Africa. 3. Chris Barnard Division of Cardiothoracic Surgery, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa. 4. Division of Cardiology, Department of Medicine, Faculty of Health Sciences, University of Cape Town; Cardiac Clinic, Groote Schuur Hospital, Cape Town, South Africa.
Abstract
BACKGROUND: The rate of cardiac implantable electronic device (CIED) implantation in low- and middle-income countries is increasing. Patients recieving these devices are frequently older and with multiple co-morbidities, which may later lead to complications requiring CIED removal. CIED removals are associated with life-threatening complications. However, high sucesss rates are reported in high-income countries. The purpose of this study was to report on the experience of CIED removal in a resource-constrained setting. METHODS: In this retrospective study, we included consecutive adult patients admitted to Groote Schuur Hospital and the University of Cape Town Private Academic Hospital for CIED removal from 1 January 2008 to 31 December 2019. RESULTS: During the study period, 53 patients underwent CIED removal (26 extractions and 27 explants). The patients had a mean (standard deviation) age of 59.1 (16.0) years. A history of systemic hypertension was present in 50.9% of patients, diabetes mellitus in 30.2% and dilated cardiomyopathy in 47.2%. Complete heart block was the leading indication for CIED implantation (37.7%), and device infection was the leading indication for removal (69.2%). CIEDs were removed after a median (interquantile range) of 243 (53-831) days. There were 40 leads extracted and 35 explants. Lead extractions were perfomed in the cardiac catheterisation laboratory under general anaesthesia via a percutaneous transvenous superior approach. There was one major and one minor complication related to lead extraction. CONCLUSIONS: CIED infections were the primary indication for CIED removal in a tertiary referral centre in South Africa. Despite being a low-volume centre, we report a high percutaneous transvenous extraction success rate with low complication rate; results which are comparable to high-volume centres.
BACKGROUND: The rate of cardiac implantable electronic device (CIED) implantation in low- and middle-income countries is increasing. Patients recieving these devices are frequently older and with multiple co-morbidities, which may later lead to complications requiring CIED removal. CIED removals are associated with life-threatening complications. However, high sucesss rates are reported in high-income countries. The purpose of this study was to report on the experience of CIED removal in a resource-constrained setting. METHODS: In this retrospective study, we included consecutive adult patients admitted to Groote Schuur Hospital and the University of Cape Town Private Academic Hospital for CIED removal from 1 January 2008 to 31 December 2019. RESULTS: During the study period, 53 patients underwent CIED removal (26 extractions and 27 explants). The patients had a mean (standard deviation) age of 59.1 (16.0) years. A history of systemic hypertension was present in 50.9% of patients, diabetes mellitus in 30.2% and dilated cardiomyopathy in 47.2%. Complete heart block was the leading indication for CIED implantation (37.7%), and device infection was the leading indication for removal (69.2%). CIEDs were removed after a median (interquantile range) of 243 (53-831) days. There were 40 leads extracted and 35 explants. Lead extractions were perfomed in the cardiac catheterisation laboratory under general anaesthesia via a percutaneous transvenous superior approach. There was one major and one minor complication related to lead extraction. CONCLUSIONS: CIED infections were the primary indication for CIED removal in a tertiary referral centre in South Africa. Despite being a low-volume centre, we report a high percutaneous transvenous extraction success rate with low complication rate; results which are comparable to high-volume centres.
Entities:
Keywords:
cardiac implantable electronic device removal; explant and extraction ; pacemaker lead removal
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