Comparación de bloqueo del plexo braquial por vía interescalénica y administración de anestésico local intraarticular en el manejo del dolor en el postoperatorio de cirugía artroscópica del hombro

Abstract

Background and objectives

In this study, the aim was to compare postoperative analgesia effects of the administration of ultrasound-guided interscalene brachial plexus block and intraarticular bupivacaine carried out with bupivacaine.

Methods

In the first group of patients 20 mL 0.25% bupivacaine and ultrasound-guided interscalene brachial plexus block (ISPB) were applied, while 20 mL 0.25% bupivacaine was given vía intraarticular (IA) administration to the second group patients after surgery. Patients in the third group were considered the control group and no block was performed. Patient-controlled analgesia with morphine was used in all three groups for postoperative analgesia.

Results

In the ISPB group, morphine consumption in the periods between 0-4, 6-12 and 12-24 postoperative hours and total consumption within 24 h was lower than in the other 2 groups. Morphine consumption in the IA group was lower than in the control group in the period from 0-6 h and the same was true for total morphine consumption in 24 h. Postoperative VASr scores in the ISPB group were lower than both of the other groups in the first 2 h and lower than the control group in the 4th and 6th h (P < .05). In the IA group, VASr and VASm scores in the 2nd, 4th and 6th h were lower than in the control group (P < .05).

Conclusion

ISPBl plexus block was found to be more effective than intraarticular local anesthetic injection for postoperative analgesia.