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1.
Tunisie Medicale [La]. 2009; 87 (9): 610-615
in French | IMEMR | ID: emr-134795

ABSTRACT

Infective endocarditis is an uncommon but potentially lethal complication of permanent cardiac pacing. Infection is mainly caused by local contamination during the implantation procedure. The most frequently detected causative microorganisms were staphylococci. The clinical presentation is often atypical causing prolonged diagnostic delay. Bacteriological data and visualisation of neostructures consistent with vegetations on transoesophageal echocardiography, strongly suggest pacemaker lead infection. Management is based on a combined approach using both prolonged antibiotic treatment and early complete device explantation. Percutaneous techniques are currently the method of choice for lead extraction but it is not without possible complications. Antibiotic prophylaxis in order to reduce infection risk related to pacemaker implantation is widely recommended


Subject(s)
Humans , Endocarditis, Bacterial , Endocarditis, Bacterial/drug therapy , Endocarditis, Bacterial/epidemiology , Pacemaker, Artificial/adverse effects , Staphylococcus aureus , Echocardiography , Equipment Contamination , Staphylococcal Infections/etiology
2.
Tunisie Medicale [La]. 2007; 85 (10): 814-820
in French | IMEMR | ID: emr-180179

ABSTRACT

Prerequis: Vasovagal syncope [VVS] is the most common type of syncope. Despite its benignity, quality of life may be severely affected in a significant proportion of highly symptomatic patients


Aim was to review achral knowledgement concerning vasovagal syncope, to assess the utility of diagnostic investigation and report the updat therapeutic management


Methods: An electronic search of the relevant literature was carried out using medline. Key words used for the final search were "Vasovagal syncoe" "pathophysiology" "diagnosis" "tilt-table testing", "imlantableloop recorder", "treatment", "tilt training", isometric muscle tensing", "cardic pacing"


Results: A typical history of VVS is usually sufficient to make the diagnosis without any additional testing. Further testing is required when the diagnosis remains uncertain. Approaches to treatemtn are largely empirical and this is due to our lack of understanding of the pathopysiology. The management of VVS is often limited to reassuring and advising how to avoid predisposing factors with behaviour modification. For patients with recurrent episodes of syncope and premonitory symptoms, a conservative nondrug approach such a isometric muscle tensing should be considered. Tilt training can also be considered first-line therapy in motivated patients. Nevertheless, if patients still experience sudden reccurrent and unpredictable episodes of syncoep, a more aggressive treatment strategy is required with need of a prophylactic pharmacologic therapy. Various forms of medical treatment have been proposed but there are limited data from randomized controlled trials to support their effectiveness. The role of cardiac pacing is controversial and its indication should be restricted to patients over the age of 40 with severe recurrent syncope that is refractory to other therapies and in whom episodes include a substantial bradycardic component


Subject(s)
Humans , Recurrence , Exercise Therapy , Posture , Cardiac Pacing, Artificial
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