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Endonasal Infiltrative Anesthesia for Nasal Fracture Reduction

Pérez-García, Alberto, MD; Esteban-Vico, Juan Ramón, MD; Lorca-García, Concepción, MD; García-Sánchez, Jose María, MD; Miranda Gómez, Luis, PhD; Llinás Porte, Abel, MD; García-Sanz, Pilar, RN

doi: 10.1097/PSN.0000000000000248
Departments: Wound Care Department
Free
SDC

This study investigated the use of endonasal infiltrative anesthesia for the management of pain associated with nasal bone fracture reduction. Fifty-two patients with nasal bone fractures were distributed in 2 groups. In the first group, topical endonasal anesthesia and external transcutaneous infiltrative anesthesia were employed. In the second group, endonasal infiltrative anesthesia was also added. Visual analog scale pain scores related to the different steps of the procedure were registered. The addition of endonasal infiltrative anesthesia was associated with a significant decrease (p < .05) in pain during reduction maneuvers (6.71 vs. 4.83) and nasal packing (5.18 vs. 3.46). Addition of endonasal infiltrative anesthesia is an effective method of pain reduction during nasal bone fracture treatment.

Alberto Pérez-García, MD, Department of Plastic Surgery, La Fe University and Polytechnic Hospital, Valencia, Spain.

Juan Ramón Esteban-Vico, MD, Department of Plastic Surgery, La Fe University and Polytechnic Hospital, Valencia, Spain.

Concepción Lorca-García, MD, Department of Pediatric Surgery, Gregorio Marañón Hospital, Madrid, Spain.

Jose María García-Sánchez, MD, Department of Plastic Surgery, La Fe University and Polytechnic Hospital, Valencia, Spain.

Luis Miranda Gómez, PhD, Department of Plastic Surgery, La Fe University and Polytechnic Hospital, Valencia, Spain.

Abel Llinás Porte, MD, Department of Plastic Surgery, La Fe University and Polytechnic Hospital, Valencia, Spain.

Pilar García-Sanz, RN, School of Nursing, University of Valencia, Spain.

Address correspondence to Alberto Pérez-García, MD, Department of Plastic Surgery, La Fe University and Polytechnic Hospital, Avenida Fernando Abril Martorell 106, 46026 Valencia, Spain (e-mail: albertoperezgarci@gmail.com).

The authors declare no conflicts of interest.

Nasal fracture is the most common type of facial fractures (Hwang, You, Kim, & Lee, 2006). Despite being a very frequent injury, there is no consensus treatment protocol or anesthetic method (Al-Moraissi & Ellis, 2015). Current evidence indicates that closed reduction under local anesthesia is an acceptable procedure and is not significantly inferior to general anesthesia in terms of pain and functional and aesthetic results (Chadha, Repanos, & Carswell, 2009; Cook, McRae, & Irving, 1990; Powell & Doshi, 2008).

There is considerable variability for local anesthesia techniques regarding the type of anesthetics and methods. However, there are few studies that have compared them (Atighechi, Hossein Baradaranfar, & Allaf Akbari, 2009; Jones & Nandapalan, 1999). The method most that is often described in the literature consists of a combination of topical intranasal anesthesia and external infiltration of the nasal dorsum in the fracture focus.

The aim of this study was to assess the effectiveness of endonasal infiltrative anesthesia in the management of nasal bone reduction.

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METHODS

Between January and July 2016, consecutive patients who presented in the emergency department with mild nasal bone fractures were randomly assigned to two groups. All patients provided written informed consent to participate. The study was carried out in accordance with ethical standards of our institution. Exclusion criteria were as follows: age less than 16 years or more than 80 years, fracture Type III or IV of the Murray–Maran scale (Table 1; Murray & Maran, 1980), allergies to local anesthesia, impaired consciousness (due to dementia or alcohol, toxin, or drug ingestion), psychiatric disorders, associated facial fractures, open nasal fractures, and significant associated facial injuries. Demographic data including age, sex, and type of fractures were recorded.

TABLE 1

TABLE 1

The conventional anesthetic technique was employed on Group A. For Group B, the alternative technique was performed by adding endonasal infiltrative anesthesia. All patients received 2 ml of 10% topical lidocaine (Xilonibsa Aerosol) applied in each nostril through gauze plugs wetted with anesthesia solution, which were kept in place for 10 min. Subsequently, all patients were administered 4 ml of 2% mepivacaine with adrenaline (1 in 100,000) through a percutaneous injection in the fracture focus. For the patients assigned to Group B, after completing the previous steps, 4 ml of 2% mepivacaine with adrenaline was injected endonasally through each nostril with the help of a rhinoscope to block mucous sensitivity in the area of the nasal bones and septum.

Nasal fracture treatment was accomplished through closed manipulation until a satisfactory reduction was achieved. Afterward, bilateral anterior nasal tamponade with gauze and antibiotic ointment was performed.

After completing the procedure, the pain was assessed through the visual analog scale (VAS), which comprised a horizontal line of 10 cm anchored at one end with the words “no pain at all” and at the other end with the words “worst pain imaginable.” Patients were first asked about a known pain (the pain of a paper cut) to compare the sensitivity with the previous pain in both groups. Then they were questioned about the following steps of the procedure: (1) pain during the endonasal anesthesia process; (2) pain with percutaneous infiltration anesthesia at the focus of the fracture; (3) pain with the fracture reduction maneuvers; and (4) pain during the nasal packing. Finally, the patients were inquired if, in the case of nasal bone reduction again in the future, they would opt for the same method of anesthesia.

The a priori calculation of sample size indicated that to detect 10-point changes in the VAS (with a standard deviation of 20 points and α and β levels of .05 and .2, respectively), each group needed to include 17 cases.

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RESULTS

Fifty-two patients were included in the study; 46 were men (88.46%) and 6 were women (11.54%). Thirty of these fractures were classified as Grade I, and 22 were classified as Grade II on the Murray–Maran scale. After the randomization process, 28 patients were assigned to Group A and 24 to Group B.

There were no significant differences between groups in terms of age, sex, and type of fractures. Both groups were also homogeneous in terms of prior sensitivity to pain. There was significant pain reduction with the reduction maneuvers and during the nasal packing in the group that included the endonasal infiltrative anesthesia. There were also significant differences when comparing pain with the topical endonasal anesthesia and the topical plus infiltrative anesthesia (Table 2). As to whether the patient would choose the same anesthetic method, there were no significant differences between the two groups (p = .575).

TABLE 2

TABLE 2

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DISCUSSION

For most nasal fractures, which tend to be mild, general anesthesia provides no significant advantage and represents greater human and financial resources (Al-Moraissi & Ellis, 2015; Cook et al., 1990; Powell & Doshi, 2008). Although these injuries can be manipulated under local anesthesia in many cases, the considerable variety of methods described in the literature shows that reduction under local anesthesia is still far from being a completely painless and satisfactory procedure (Atighechi et al., 2009; Chadha et al., 2009; Jones & Nandapalan, 1999).

Endonasal infiltrative anesthesia is commonly used when rhinoplasty is performed under local anesthesia (Metzinger, Bailey, Boyce, & Lyons, 1992), but its use is not well established in nasal fractures. Kim, Lee, and Jeong (2013) reported that endonasal block of the anterior ethmoidal nerve is helpful for the control of postoperative pain. In our study, endonasal infiltrative anesthesia was effective for reducing pain during the reduction maneuvers. This technique also reduced the pain associated with nasal tamponade.

Endonasal infiltration was obviously more painful than topical anesthesia. However, the pain value with endonasal infiltration anesthesia was low: VAS pain less than 4 is considered low (Ahlers, van der Veen, van Dijk, Tibboel, & Knibbe, 2010), and some authors define no pain as VAS score less than 3 (Chanques, Jaber, & Barbotte, 2006) because of the prior application of topical anesthesia.

The study's limitations include the fact that the patients were treated by various surgeons. Although the anesthesia technique is easily reproducible and can be applied in a similar way regardless of the person who administers it, it is not so much the reduction maneuvers, in which each surgeon uses a different force and more or less abrupt movements, so that there may be a bias according to the person executing the intervention. Moreover, because of the nature of the operation, it was not possible to employ blind or double-blind masking techniques.

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IMPLICATION FOR PRACTICE

The results of our study suggest that addition of endonasal infiltrative anesthesia can decrease pain related to nasal fracture manipulation. Besides, this can be achieved with a very simple, safe, and inexpensive maneuver that is well tolerated by the patients and can be executed in the emergency department or in the plastic surgeon's office. For these reasons, we think that this method of anesthesia should be considered as the technique of choice for management of mild nasal fractures.

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REFERENCES

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