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Comparación entre anestesia general con o sin bloqueo paravertebral preincisional con dosis única y dolor crónico postquirúrgico, en cirugía radical de cáncer de mama / Chronic postoperative pain after general anesthesia with or without a singledose preincisional paravertebral nerve block in radical breast cancer surgery
Ibarra Martí, ML; Carralero G-Cuenca, MS; Vicente Gutiérrez, U; Cuartero del Pozo, A; López Rincón, R; Fajardo del Castillo, MJ.
Affiliation
  • Ibarra Martí, ML; Complejo Hospitalario Universitario de Albacete (CHUA). Albacete. España
  • Carralero G-Cuenca, MS; Complejo Hospitalario Universitario de Albacete (CHUA). Albacete. España
  • Vicente Gutiérrez, U; Complejo Hospitalario Universitario de Albacete (CHUA). Albacete. España
  • Cuartero del Pozo, A; Complejo Hospitalario Universitario de Albacete (CHUA). Albacete. España
  • López Rincón, R; Complejo Hospitalario Universitario de Albacete (CHUA). Albacete. España
  • Fajardo del Castillo, MJ; Complejo Hospitalario Universitario de Albacete (CHUA). Albacete. España
Rev. esp. anestesiol. reanim ; 58(5): 290-294, mayo 2011. tab
Article in Spanish | IBECS | ID: ibc-88931
Responsible library: ES1.1
Localization: BNCS
RESUMEN

Objetivo:

En la cirugía del cáncer de mama, en más del 50% de las pacientes con mastectomía y/o linfadenectomía persiste el dolor en el primer año. Nuestro objetivo fue determinar la asociación entre la técnica anestésica, la intensidad del dolor agudo postquirúrgico y el desarrollo del dolor crónico postquirúrgico. Pacientes y

métodos:

Cuarenta pacientes fueron asignadas aleatoriamente a recibir anestesia general o anestesia general con bloqueo paravertebral para mastectomía radical modificada. Se midió el dolor mediante escala visual analógica a los 60 minutos, a las 24 horas y a los 4-5 meses se realizó encuesta de dolor crónico postquirúrgico.

Resultados:

No hubo diferencias significativas respecto al dolor agudo. Veintinueve pacientes contestaron a la encuesta telefónica. En el grupo del bloqueo paravertebral sólo hubo un caso de dolor neuropático y ninguno de miembro fantasma mientras que en el grupo de anestesia general hubo 7 casos de dolor neuropático asociados a 3 casos de miembro fantasma [6,7% frente a 50%; test exacto de Fischer, p = 0,01, con un RR de 7,5 (IC95% 1,0-53,5)]. Hubo dolor miofascial (contracturas en cuello) en ambos grupos sin diferencias significativas.

Conclusiones:

A los 4-5 meses de la cirugía la anestesia general con bloqueo paravertebral preincisional presenta menos casos de dolor crónico que sí se utiliza anestesia general y analgesia con cloruro mórfico(AU)
ABSTRACT
Background and

objective:

Over 50% of patients still experience pain a year after mastectomy with or without lymphadenectomy. We aimed to determine the association between anesthetic technique, acute postoperative pain intensity, and the development of chronic postoperative pain. Patients and

methods:

Forty patients were randomly assigned to receive general anesthesia with or without a paravertebral nerve block for modified radical mastectomy. Postoperative pain was assessed on a visual analog scale at 60 minutes and 24 hours; the patients were also asked to respond to a telephone questionnaire on chronic pain 4 to 5 months later.

Results:

No significant differences in acute pain were observed. Twenty-nine responded to the telephone questionnaire. Only 1 patient in the paravertebral block group reported chronic neuropathic pain and none had phantom breast pain. Only 1 patient (6.7%) in the paravertebral block group reported chronic neuropathic pain and none had phantom breast pain. In the group that received general anesthesia alone, 1 patient reported phantom breast pain and 6 patients had neuropathic pain, associated with phantom breast pain in 2 cases (incidence of chronic pain 50%; P = .01, Fischer exact test; relative risk, 7.5, 95% confidence interval, 1.0-53.5). The incidences of myofascial pain (neck muscle tightness) were similar in the 2 groups.

Conclusions:

Four to 5 months after mastectomy, fewer cases of chronic pain developed in the group operated under general anesthesia with a preincisional paravertebral block than in the group that received only general anesthesia, with postoperative morphine chloride for analgesia(AU)
Subject(s)
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Collection: National databases / Spain Database: IBECS Main subject: Pain, Postoperative / Breast Neoplasms / Analgesia / Anesthesia, General / Morphine / Antiemetics / Nerve Block Type of study: Controlled clinical trial / Etiology study Limits: Adult / Female / Humans Language: Spanish Journal: Rev. esp. anestesiol. reanim Year: 2011 Document type: Article Institution/Affiliation country: Complejo Hospitalario Universitario de Albacete (CHUA)/España
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Collection: National databases / Spain Database: IBECS Main subject: Pain, Postoperative / Breast Neoplasms / Analgesia / Anesthesia, General / Morphine / Antiemetics / Nerve Block Type of study: Controlled clinical trial / Etiology study Limits: Adult / Female / Humans Language: Spanish Journal: Rev. esp. anestesiol. reanim Year: 2011 Document type: Article Institution/Affiliation country: Complejo Hospitalario Universitario de Albacete (CHUA)/España
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