Exemplos de uso de Definitive pacemaker em Inglês e suas traduções para o Português
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Total atrioventricular block,requiring definitive pacemaker.
In clinical practice,during the implants of definitive pacemakers, the anatomical location of the bundle of His is difficult to reproduce.
There was no incidence of atrioventricular blocks needing definitive pacemaker implant.
The use of definitive pacemakers DPM in children is rare, with surgical lesion of the conduction system being the main reasons for their implantation.
The literature studies showing early implantation of the definitive pacemaker, as Berdajs et al.
There are controversies regarding the use of definitive pacemaker in asymptomatic patients without a history of syncope and an electrocardiogram with conductions disturbances.
In the present series, none of the patients developed total atrioventricular block or needed definitive pacemaker implant.
In cases with QRS duration between 120 and 150 ms,patients stimulated by definitive pacemaker and patients with right bundle branch block make this parameter become controversial.
Vanerio et al retrospectively evaluated 150 patients, with a mean age of 72± 7 years, submitted to definitive pacemaker implant.
This study is part to the project"Quality of Life and Guidelines to the Definitive Pacemaker Carrier," approved by the Research Ethics Committee, with addendum approved in 2014.
In the postoperative period, the patient had atrial fibrillation and complete atrioventricular block,which required the implantation of a definitive pacemaker.
Patients with severe heart valve disease, definitive pacemaker, pericardial diseases, severe chronic obstructive pulmonary disease submitted to heart surgery in the last six months were excluded from this study.
As long as it is not a consequence of reversible factors such as drugs, hydro-electrolytic and/or metabolic disturbances,the insertion of a definitive pacemaker is indicated.
Among the study patients, four had pacemakers implanted before the procedure,four required definitive pacemaker implants in the hospital, and one patient had the device implanted three months after TAVI.
Victor et al published a prospective, randomized study with a crossover every three months, to evaluate the quality of life andthe systolic function in 103 patients submitted to definitive pacemaker implant.
Two cases of definitive pacemaker occurred: one by atrial fibrillation of low ventricular response at day 15 of postoperative still in the hospital phase and one due to total atrioventricular block after discharged on the 45th postoperative day.
Showed that using electrocautery to perform biatrial endocardial ablation,36% of the patients required a definitive pacemaker implantation, probably through biatrial approach.
Although the introduction of beta-blockers has eased the control of the ventricular response,in some refractory cases this control can be obtained through the ablation of the atrioventricular junction together with the insertion of a definitive pacemaker.
Patients with ST-segment elevation were excluded, as well as those with confounding ECG changes,such as atrial fibrillation, definitive pacemaker and left bundle branch block, or refusal to participate in the study.
In 13 21.3% cases, other procedures associated with PAB were performed: six AoCo corrections, four atrioseptostomy without cardiopulmonary bypass CPB, one correction of cor triatriatum, one atrioseptostomy with CPB andone implant of definitive pacemaker.
The conclusion of the study was that the septal stimulation is not superior to the apical stimulation in individuals with atrioventricular block submitted to definitive pacemaker implant among a non-selected population.
However, in spite of this high rate, it is a highly complex procedure, with a high risk of bleeding through the various atrial sutures, as well as other possible complications relative to the technique such as: the reoccurrence of perioperative atrial arrhythmias, loss of atrial transport function, dysfunction of the sinoatrial node,with a risk of the need of a definitive pacemaker in the postoperative period 6.
In relation to heart rhythm of the 14 surviving patients, 10 72% remained with atrial fibrillation, three 21% reverted to sinusal rhythm andone 7% developed bradycardic junctional rhythm requiring implantation of a definitive pacemaker in the postoperative period.
However, the analysis of types and frequency of pacemaker implant related complications among HCM patients in our study approximately 15%,matches literature findings in that definitive pacemaker implant is not risk free.
He had undergone a double-chamber definitive artificial pacemaker implant three years before the current assessment.
In October of the same year, in Sweden, the first definitive endocardial pacemaker implant was performed.
The implant of a definitive transvenous pacemaker is a highly-effective, surgically invasive procedure with low complication rate.
However, it is still debatable the correlation between functional class andquality of life of definitive cardiac pacemaker users.