Study of Right Ventricular Pacing Threshold at National Teaching Hospital of Cotonou in Benin
American Journal of Internal Medicine
Volume 6, Issue 3, May 2018, Pages: 47-51
Received: May 2, 2018;
Accepted: May 21, 2018;
Published: Jun. 14, 2018
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Arnaud Sonou, Department of Cardiology, Departmental Teaching Hospital of Ouémé-Plateau, University of Abomey-Calavi, Porto-Novo, Benin
Tchaa Tchérou, Department of Cardiology, University Teaching Hospital of “Campus”, Lomé, Togo
Philippe Mahouna Adjagba, Department of Cardiology, Teaching Hospital of Cotonou, University of Abomey-Calavi, Cotonou, Benin
Murielle Hounkponou, Department of Cardiology, Teaching Hospital of Cotonou, University of Abomey-Calavi, Cotonou, Benin
Léopold Codjo, Department of Cardiology, Departmental Teaching Hospital of Borgou-Alibori, University of Parakou, Parakou, Benin
Salimatou Assani, Department of Cardiology, Teaching Hospital of Cotonou, University of Abomey-Calavi, Cotonou, Benin
Wilfried Gandji, Department of Cardiology, Teaching Hospital of Cotonou, University of Abomey-Calavi, Cotonou, Benin
Yessoufou Tchabi, Department of Cardiology, Teaching Hospital of Cotonou, University of Abomey-Calavi, Cotonou, Benin
Martin Houénassi, Department of Cardiology, Teaching Hospital of Cotonou, University of Abomey-Calavi, Cotonou, Benin
The main purpose was to study the right ventricular pacing threshold of patients who benefit from cardiac pacemaker’s implantation at the National Teaching Hospital of Cotonou in Benin. This was a retrospective study from January 2007 to September 2013. The right ventricular pacing threshold measured during successive checks has been studied. A threshold greater than 1 volt was considered high. The conventional causes of threshold’s rising were sought. 35 files were examined. The average threshold of our patients amounted to 1.24 ± 1.17 volts at the first control and remained high until the end of follow-up. The prevalence of threshold elevation was 17% (6/35). The causes of threshold elevation were: late displacement of the lead (1 case), faulty lead (1 case), and suspected lead’s micro dislodgment (1 case). There was no formal etiology found for 3 cases. Half of threshold elevation cases involved a problem of pacing lead. Similar findings have been reported by previous studies. This study has confirmed that threshold elevation mainly involved pacemaker lead. The premature need to change the pacemaker caused by this elevation has considerable consequences in a Beninese local context marked the lack of governmental facilities.
Philippe Mahouna Adjagba,
Study of Right Ventricular Pacing Threshold at National Teaching Hospital of Cotonou in Benin, American Journal of Internal Medicine.
Vol. 6, No. 3,
2018, pp. 47-51.
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