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2.
Respir Care ; 60(5): 673-8, 2015 May.
Artigo em Inglês | MEDLINE | ID: mdl-25669217

RESUMO

BACKGROUND: Cough impairment is often described as part of the pathophysiological basis of postoperative pulmonary complications (PPCs). However, there have been few studies examining cough effectiveness and its relationship with PPCs following open upper abdominal surgery. The goal of this study was to estimate (1) changes in cough efficacy after upper abdominal surgery through the assessment of peak cough flow and (2) the extent to which cough impairment is associated with postoperative pain, FVC, and risk of PPCs. METHODS: This prospective cohort study assessed 101 subjects (45% male, 56 ± 16 y old) admitted for elective upper abdominal surgery. Measurements of peak cough flow and FVC were performed on the day before surgery and repeated on postoperative days 1, 3, and 5. PPCs were assessed daily by a pulmonologist blinded to the cough measurement results. RESULTS: Peak cough flow dropped to 54% of the preoperative value on postoperative day 1 and gradually increased on postoperative days 3 (65%) and 5 (72%) (P < .05). On all postoperative days, peak cough flow was strongly correlated with FVC (P < .001) and weakly correlated with pain (P = .006). Six subjects (6%) developed PPCs. The association between peak cough flow and risk of PPCs was not statistically significant (unadjusted odds ratio of 0.80, 95% CI 0.45-1.40, P = .44; adjusted odds ratio of 0.66, 95% CI 0.32-1.38, P = .41). CONCLUSIONS: Cough effectiveness is impaired after upper abdominal surgery. Postoperative restrictive lung dysfunction seems to be associated with this impairment. There is no significant association between peak cough flow and PPCs; however, cough impairment might result in clinically important consequences in a high-risk population.


Assuntos
Abdome/cirurgia , Tosse/fisiopatologia , Procedimentos Cirúrgicos do Sistema Digestório/efeitos adversos , Pneumopatias/epidemiologia , Complicações Pós-Operatórias/epidemiologia , Adulto , Idoso , Estudos de Coortes , Tosse/etiologia , Feminino , Humanos , Pneumopatias/etiologia , Masculino , Pessoa de Meia-Idade , Razão de Chances , Pico do Fluxo Expiratório , Complicações Pós-Operatórias/etiologia , Estudos Prospectivos , Fatores de Risco , Capacidade Vital
3.
J. bras. pneumol ; 34(12): 1003-1007, dez. 2008. graf, tab
Artigo em Inglês, Português | LILACS | ID: lil-503812

RESUMO

OBJETIVO: Avaliar a influência do dreno pleural sobre a distância percorrida no teste de caminhada de seis minutos, da intensidade da dor e da capacidade vital de pacientes submetidos à ressecção pulmonar. MÉTODOS: Foram avaliados treze pacientes consecutivos, internados na Enfermaria da Cirurgia de Tórax do Hospital São Paulo, submetidos à drenagem pleural fechada (dreno tubular multiperfurado de 0,5 polegada), no período pós-operatório de ressecção pulmonar (lobectomia, segmentectomia e nodulectomia). A opção pela retirada do dreno seguiu critérios clínicos definidos por médicos da equipe cirúrgica alheios ao estudo. A determinação da capacidade vital, da intensidade da dor através da escala visual analógica de dor e da distância percorrida no teste de caminhada de seis minutos foram realizadas 30 min antes da retirada do dreno e 30 min após. A análise estatística dos dados foi realizada através do teste t pareado, com nível de significância estabelecido em 0,05. RESULTADOS: Após a retirada do dreno, os valores obtidos na avaliação da escala visual analógica de dor foram significativamente menores (3,46 cm vs. 1,77 cm; p = 0,001), e a distância percorrida no teste de caminhada de seis minutos foi significativamente maior (374,34 m vs. 444,62 m; p = 0,03). A capacidade vital antes e após a retirada do dreno não foi alterada de forma significativa (2,15 L vs. 2,25 L, respectivamente; p = 0,540). CONCLUSÕES: Os resultados deste estudo sugerem que a presença do dreno pleural é um importante fator associado à dor pós-operatória e à limitação funcional em pacientes submetidos à ressecção pulmonar.


OBJECTIVE: To evaluate the influence of pleural drainage on the distance covered on the six-minute walk test, pain intensity and vital capacity in patients submitted to pulmonary resection. METHODS: Thirteen consecutive patients from the Thoracic Surgery Infirmary of Hospital São Paulo, Brazil, submitted to closed pleural drainage (0.5-in multiperforated chest tube) in the postoperative period following pulmonary resection (lobectomy, segmentectomy and pulmonary nodule resection) were evaluated. The decision for chest tube removal followed clinical criteria defined by the surgical team, who did not participate in the study. Vital capacity, pain intensity (using a visual analog pain scale) and the distance covered on the six-minute walk test were determined 30 min prior to and 30 min after the removal of the chest tube. The statistical analysis was performed using paired t-tests, and the level of significance was set at 0.05. RESULTS: After the removal of the chest tube, the visual analog scale pain scores were significantly lower (3.46 cm vs. 1.77 cm; p = 0.001) and the distance covered on the six-minute walk test was significantly higher (374.34 m vs. 444.62 m; p = 0.03). Vital capacity prior to and after chest tube removal was not significantly affected (2.15 L and 2.25 L, respectively; p = 0.540). CONCLUSIONS: The results of the present study suggest that the presence of a chest tube is a factor significantly associated with postoperative pain and functional limitation in patients submitted to pulmonary resection.


Assuntos
Adolescente , Adulto , Feminino , Humanos , Masculino , Adulto Jovem , Tubos Torácicos , Drenagem , Dor Pós-Operatória/etiologia , Pneumonectomia/efeitos adversos , Capacidade Vital/fisiologia , Caminhada/fisiologia , Drenagem/instrumentação , Drenagem/métodos , Teste de Esforço , Medição da Dor , Período Pós-Operatório , Estudos Prospectivos , Dor Pós-Operatória/fisiopatologia , Fatores de Tempo , Adulto Jovem
4.
J Bras Pneumol ; 34(12): 1003-7, 2008 Dec.
Artigo em Inglês, Português | MEDLINE | ID: mdl-19180334

RESUMO

OBJECTIVE: To evaluate the influence of pleural drainage on the distance covered on the six-minute walk test, pain intensity and vital capacity in patients submitted to pulmonary resection. METHODS: Thirteen consecutive patients from the Thoracic Surgery Infirmary of Hospital São Paulo, Brazil, submitted to closed pleural drainage (0.5-in multiperforated chest tube) in the postoperative period following pulmonary resection (lobectomy, segmentectomy and pulmonary nodule resection) were evaluated. The decision for chest tube removal followed clinical criteria defined by the surgical team, who did not participate in the study. Vital capacity, pain intensity (using a visual analog pain scale) and the distance covered on the six-minute walk test were determined 30 min prior to and 30 min after the removal of the chest tube. The statistical analysis was performed using paired t-tests, and the level of significance was set at 0.05. RESULTS: After the removal of the chest tube, the visual analog scale pain scores were significantly lower (3.46 cm vs. 1.77 cm; p = 0.001) and the distance covered on the six-minute walk test was significantly higher (374.34 m vs. 444.62 m; p = 0.03). Vital capacity prior to and after chest tube removal was not significantly affected (2.15 L and 2.25 L, respectively; p = 0.540). CONCLUSIONS: The results of the present study suggest that the presence of a chest tube is a factor significantly associated with postoperative pain and functional limitation in patients submitted to pulmonary resection.


Assuntos
Tubos Torácicos , Drenagem , Dor Pós-Operatória/etiologia , Pneumonectomia/efeitos adversos , Capacidade Vital/fisiologia , Caminhada/fisiologia , Adolescente , Adulto , Drenagem/instrumentação , Drenagem/métodos , Teste de Esforço , Feminino , Humanos , Masculino , Medição da Dor , Dor Pós-Operatória/fisiopatologia , Período Pós-Operatório , Estudos Prospectivos , Fatores de Tempo , Adulto Jovem
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