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Clin Neurol Neurosurg. 2019 Dec 16;190:105641. doi: 10.1016/j.clineuro.2019.105641. [Epub ahead of print]

Impact of an external ventricular drain bundle and limited duration antibiotic prophylaxis on drain-related infections and antibiotic resistance.

Author information

1
Christiana Care Health System, 4755 Ogletown-Stanton Rd., Newark, DE 19718, United States. Electronic address: Colleen.J.Whyte@gmail.com.
2
Christiana Care Health System, 4755 Ogletown-Stanton Rd., Newark, DE 19718, United States.

Abstract

BACKGROUND/OBJECTIVE:

Systemic prophylactic antibiotics have been used to reduce the rate of neurosurgical drain-related infections (DRIs) but the optimal duration is unknown. The Neurocritical Care Society Consensus Statement for External Ventricular Drain (EVD) management recommends a single antibiotic dose preoperatively. Data regarding antibiotic management for other neurosurgical drains (e.g. subgaleal and subdural drains) are lacking. Previously at our institution antibiotics were continued for the duration of drain placement. In 2016 an EVD bundle was implemented to standardize nursing care, and antibiotic duration was changed to one preoperative dose for all neurosurgical drains. The objective of this study was to compare the incidence of DRI, non-DRI, and antibiotic resistance before and after the implementation of an EVD bundle and limited duration antibiotics.

PATIENTS AND METHODS:

This was a single center, quasi-experimental study that included patients status post EVD or craniotomy/craniectomy with subgaleal or subdural drain placement. The pre-intervention period was June 2014 through May 2015 and the post-intervention period was January 2017 through December 2017.

RESULTS:

Ninety-one patients were included in the pre-intervention group and 54 in the post-intervention group. The use of limited duration antibiotics (< 48 h) was 14.3 % in the pre-intervention group and 96.3 % in the post-intervention group (p < 0.001). Five DRIs were identified in the pre-intervention group and 3 in the post-intervention group (5.5 % vs 5.6 %, p = 1.00). Of patients who developed a non-DRI, 77.5 % had a resistant non-DRI in the pre-intervention group compared to 48 % in the post-intervention group (p = 0.01). The rates of resistant DRI (80 % vs 66.7 %, p = 1.00) and Clostridium difficile infection (1.1 % vs 3.7 %, p = 0.56) were similar between groups.

CONCLUSIONS:

Implementation of an EVD bundle and limited duration antibiotics reduced antibiotic exposure with no associated increase in risk of DRI. Rates of resistant non-DRI were significantly lower in the post-intervention group.

KEYWORDS:

Antibiotics; External ventricular drains; Postoperative infection; Surgical site infection; Ventriculitis

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