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Comparison study of two different patient-controlled anesthesia regiments after cardiac surgery / Estudo comparativo de duas diferentes modalidades de analgesia controlada pelo paciente após cirurgia cardíaca
Mota, Fabiane Almeida; Marcolan, João Fernando; Pereira, Mara Helena Corso; Milanez, Adriano Márcio de Melo; Dallan, Luis Alberto Oliveira; Diccini, Solange.
  • Mota, Fabiane Almeida; Clinics Hospital. BR
  • Marcolan, João Fernando; Federal University of São Paulo. BR
  • Pereira, Mara Helena Corso; Heart Institute. BR
  • Milanez, Adriano Márcio de Melo; s.af
  • Dallan, Luis Alberto Oliveira; Heart Institute. Heart Surgical Diseases Group. BR
  • Diccini, Solange; Federal University of São Paulo. BR
Rev. bras. cir. cardiovasc ; 25(1): 38-44, Jan.-Mar. 2010. graf, tab
Article in English | LILACS | ID: lil-552838
ABSTRACT

INTRODUCTION:

Acute and severe pain is frequent in patients who undergo cardiothoracic surgery. Patient controlled analgesia (PCA) can be used to manage postoperative pain.

OBJECTIVE:

To compare analgesia of morphine PCA alone (without continous infusion) with morphine PCA plus a continuous infusion on postoperative period after cardiac surgery and to evaluate pain scores, morphine consumption, number of demand, patient satisfaction and side effects.

METHODS:

Randomized trial was conducted to assess patients who underwent cardiac surgery receiving either morphine PCA alone or morphine PCA plus continous infusion. In the post operative period, PCA was started at extubation in both regiments according to randomization. Pain intensity, morphine consumption, number of demand, satisfaction and side effects were assessed at zero, six, twelve, eighteen, twenty four and thirty hours after patients' extubation.

RESULTS:

The study enrolled 100 patients. 50 patients received morphine PCA alone, (Group A) and 50 patients received morphine PCA plus a background infusion, (Group B). Group B patients had less demand, consumed more morphine and were more satisfied regarding analgesia. No statistical differences were shown between groups related to pain intensity, and side effects.

CONCLUSIONS:

Pain control was effective and similar in both groups. Morphine PCA alone seems to be better for postoperative pain manage in cardiac surgery, due to its less morphine expense with the same effectiveness.
RESUMO

INTRODUÇÃO:

A dor aguda e intensa faz parte do cotidiano dos pacientes que realizam cirurgia cardíaca, e para o controle da dor, pode-se dispor da analgesia controlada pelo paciente (PCA -Patient controlled analgesia).

OBJETIVO:

Comparar a analgesia utilizando PCA sem infusão contínua com PCA mais infusão contínua de morfina no pós-operatório de cirurgia cardíaca e avaliar a intensidade dolorosa, consumo analgésico, número de solicitações analgésicas, satisfação e efeitos colaterais.

MÉTODOS:

Ensaio clínico randomizado em que foram estudados pacientes submetidos a cirurgias cardíacas, que utilizaram PCA com e sem infusão intravenosa de morfina. No pós-operatório, ao se extubar os pacientes, foi instalada PCA nas duas modalidades, conforme o sorteio. Intensidade dolorosa, consumo analgésico, número de solicitações analgésicas, satisfação e efeitos colaterais foram avaliados no momento da extubação e nas 6, 12, 18, 24 e 30 horas seguintes.

RESULTADOS:

Foram avaliados 100 pacientes, sendo 50 no grupo (A) que recebeu PCA sem infusão contínua de morfina, e 50 no grupo (B) que utilizou PCA com infusão contínua de morfina. Pacientes do grupo (B) consumiram mais morfina, solicitaram menos vezes, e ficaram mais satisfeitos com a analgesia. Não se observaram diferenças significantes entre os grupos quanto à intensidade da dor e aos efeitos colaterais.

CONCLUSÕES:

O controle da dor foi eficiente e similar em ambos os grupos estudados. A mesma eficácia de analgesia e o menor consumo de morfina sugerem que PCA sem infusão contínua de morfina seja a melhor opção no controle da dor no pós-operatório de cirurgia cardíaca.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Pain, Postoperative / Analgesia, Patient-Controlled / Cardiac Surgical Procedures / Analgesics, Opioid / Morphine Type of study: Controlled clinical trial Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: Rev. bras. cir. cardiovasc Journal subject: Cardiology / General Surgery Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: Clinics Hospital/BR / Federal University of São Paulo/BR / Heart Institute/BR

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Full text: Available Index: LILACS (Americas) Main subject: Pain, Postoperative / Analgesia, Patient-Controlled / Cardiac Surgical Procedures / Analgesics, Opioid / Morphine Type of study: Controlled clinical trial Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: Rev. bras. cir. cardiovasc Journal subject: Cardiology / General Surgery Year: 2010 Type: Article Affiliation country: Brazil Institution/Affiliation country: Clinics Hospital/BR / Federal University of São Paulo/BR / Heart Institute/BR