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1.
Wien Klin Wochenschr ; 131(13-14): 313-320, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31025164

RESUMO

BACKGROUND: Electrical stimulation therapy (EST) and transcutaneous electrical neuromuscular stimulation (TENS), a modality of EST, have become widely applied, accepted and effective methods for the treatment of musculoskeletal and other pain conditions. According to the rising number of permanent pacemaker (PM) wearers the number of potential candidates for EST with concomitant device implantation is growing. Contradictory recommendations exist regarding the application of EST or TENS on PM wearers. AIM: The study was carried out to evaluate the impact of EST on PM function. METHODS: A full size model mimicking the electrical characteristics of the human body was used to evaluate the application of EST on permanent PM devices. Various configurations with respect to energy modality, position of the stimulation electrodes and PM device models were evaluated. Intracardiac PM electrogram tracings (iEGM) were analyzed for the interference of EST with PM function. RESULTS: Unilateral EST application did not cause interference with PM function in any of the configurations (0%; n = 700). On the contrary, bilateral stimulation (350 configurations in total) caused either ventricular inhibition or switch to V00 back-up pacing due to electrical interference in 165 cases (47.1%) depending on the applied stimulation parameters. CONCLUSION: The use of EST potentially interferes with PM therapy, especially if the electrodes are positioned bilaterally; however, unilateral EST application appeared to be safe in all tested configurations.


Assuntos
Terapia por Estimulação Elétrica , Marca-Passo Artificial , Estimulação Elétrica Nervosa Transcutânea , Terapia por Estimulação Elétrica/instrumentação , Terapia por Estimulação Elétrica/métodos , Humanos , Marca-Passo Artificial/normas
2.
Wien Klin Wochenschr ; 130(19-20): 561-568, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30066095

RESUMO

BACKGROUND: Non-invasive ventilation (NIV) is used to treat acute hypercapnic respiratory failure (AHRF) in patients with chronic obstructive pulmonary disease (COPD); however, long-term outcomes following discharge are largely unknown. This study aimed to characterize long-term outcomes and identify associated markers in patients with COPD after surviving the first episode of HRF requiring NIV. METHODS: This study retrospectively analyzed 122 patients, mean age 62 ± 8 years, 52% female and forced expiratory volume in 1 s (FEV1) predicted 30 ± 13%, admitted with an acute hypercapnic exacerbation of COPD and receiving a first-ever NIV treatment between 2000 and 2012. RESULTS: A total of 40% of the patients required hospital readmission due to respiratory reasons within 1 year. Persistent hypercapnia leading to the prescription of domiciliary NIV, older age and lower body mass index (BMI) were risk factors for readmission due to respiratory reasons. Survival rates were 79% and 63% at 1 and 2 years after discharge, respectively. A shorter time to readmission and recurrent hypercapnic failure, lower BMI and acidemia on the first admission, as well as hypercapnia at hospital discharge were correlated with a decreased long-term survival. CONCLUSION: Patients with COPD surviving their first episode of AHRF requiring NIV are at high risk for readmission and death. Severe respiratory acidosis, chronic respiratory failure and a lower BMI imply shorter long-term survival.


Assuntos
Ventilação não Invasiva , Doença Pulmonar Obstrutiva Crônica , Insuficiência Respiratória , Idoso , Feminino , Humanos , Hipercapnia , Masculino , Pessoa de Meia-Idade , Insuficiência Respiratória/terapia , Estudos Retrospectivos
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