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1.
Int. j. cardiovasc. sci. (Impr.) ; 35(5): 690-695, Sept.-Oct. 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1405186

ABSTRACT

Abstract Background: Cardiac resynchronization therapy (CRT) is an effective treatment for patients with heart failure. Objective: To evaluate the response of CRT in maximal inspiratory pressure (MIP), peak expiratory flow (PEF), and exercise tolerance as determined by the six-minute walk test (6MWT) in patients with HF. Methods: This study used the 6MWT and Manovacuometer to assess functional capacity in relation to activities of daily living, in which fatigue and dyspnea are common. Results: After six months of CRT, this study identified improvements in the 6MWT, p<0.05; MIP, p=0.01; and PEF, p=0.03. Conclusion: After CRT, this study showed a significant improvement in MIP, PEF, and exercise tolerance. However, further studies are warranted to demonstrate the relevance of these findings.

2.
RELAMPA, Rev. Lat.-Am. Marcapasso Arritm ; 30(4): f:150-l:153, out.-dez. 2017. ilus
Article in Portuguese | LILACS | ID: biblio-879929

ABSTRACT

A terapia de ressincronização cardíaca representa importante modalidade terapêutica, principalmente para pacientes com insuficiência cardíaca e distúrbios de condução pelo ramo esquerdo. No entanto, a resposta a essa terapia é heterogênea, em virtude dos vários fatores que implicam a dissincronia eletromecânica. O presente relato aborda um caso de sucesso com super-resposta à terapia de ressincronização, na qual o cabo-eletrodo de ventrículo esquerdo foi posicionado de acordo com o sítio de maior retardo determinado pela cintilografia miocárdica com análise de fase gated-SPECT


Cardiac resynchronization therapy represents an important therapeutic modality mainly for patients with heart failure and left bundle branch conduction disorders. However, the response to this therapy is heterogeneous because of the various factors involved in electromechanical dyssynchrony. The present report addresses a successful case with super-response to resynchronization therapy in which the left ventricle electrode was positioned according to the site of greatest delay determined by myocardial scintigraphy with gated-SPECT phase analysis


Subject(s)
Humans , Female , Middle Aged , Cardiac Resynchronization Therapy , Electrodes , Heart Ventricles , Radionuclide Imaging/methods , Echocardiography/methods , Electrocardiography/methods , Furosemide/administration & dosage , Prostheses and Implants , Simvastatin/administration & dosage , Spironolactone/administration & dosage , Treatment Outcome
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