FASCIA-ILIACA COMPARTMENT BLOCK VS INTRA-ARTICULAR HIP INJECTION FOR PREOPERATIVE PAIN MANAGEMENT IN INTRACAPSULAR HIP FRACTURES: A BLIND, RANDOMIZED, CONTROLLED TRIAL

Publication date: Available online 26 September 2018

Source: Injury

Author(s): A. Aprato, A. Audisio, A. Santoro, E. Grosso, S. Devivo, M. Berardino, A. Massè

Abstract

Background

The aim of this study was to compare the fascia-iliaca compartment block and the intra-articular hip injection in terms of pain management and the need for additional systemic analgesia in the preoperative phase of intracapsular hip fractures.

Methods

Patients >65 years old with an intracapsular hip fracture were randomized in this prospective, blind, controlled, parallel trial in a Level-I trauma center. Patients were randomly assigned to receive either the fascia-iliaca compartment block (cohort FICB) or the intra-articular hip injection (cohort IAHI) upon admission to the emergency department. The primary outcome was pain relief at 20 minutes, 12 hours, 24 hours and 48 hours after the regional anesthesia, both at rest and during internal rotation of the fractured limb. The Numeric Rating Scale was used. Residual pain was managed with the same protocol in all patients. Additional analgesic drug administration during the 48 hours from admission was recorded.

Results

A total of 120 patients with comparable baseline characteristics were analyzed in this study: the FICB group consisted of 70 subjects, while the IAHI group consisted of 50 subjects.

Pain was significantly lower in the IAHI group during movement of the fractured limb at 20 minutes (p < 0.05), 12 hours (p < 0.05), 24 hours (p < 0.05) and 48 hours (p < 0.05).

In the FICB cohort 72.9% of patients needed to take oxycodone, in contrast to 28.6% of the IAHI cohort (p < 0.05). In the FICB cohort 14.09 ± 11.57 mg of oxycodone was administered, while in the IAHI cohort 4.38 ± 7.63 mg (p < 0.05). No adverse events related to either technique were recorded.

Conclusions

Intra-articular hip injection provides better pre-operatory pain management in elder patients with intracapsular hip fractures compared to the fascia-iliaca compartment block. It also reduced the need for supplementary systemic analgesia.

Level of Evidence

Therapeutic Level I.

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