Predictors of arthrocentesis outcome on joint effusion in patients with disk displacement without reduction.

Predictors of arthrocentesis outcome on joint effusion in patients with disk displacement without reduction.

Oral Surg Oral Med Oral Pathol Oral Radiol. 2018 Jan 10;:

Authors: Grossmann E, Poluha RL, Iwaki LCV, Santana RG, Filho LI

Abstract
OBJECTIVES: The aim of this study was to investigate the preoperative variables in patients with articular disk displacement without reduction that may influence the results of arthrocentesis on joint effusion (JE).
STUDY DESIGN: The records of 203 patients with clinical signs and symptoms of unilateral painful disk displacement without reduction and JE, confirmed by magnetic resonance imaging (MRI), and treated with arthrocentesis were selected. The following preoperative data were recorded: sex; age; joint side; pain duration; pain intensity, measurement with the visual analogue scale; and maximum interincisal distance (MID). All patients underwent a second MRI examination 3 to 4 months postoperatively to assess JE. The sample was then divided into 2 groups: group 1 (n = 160) comprised patients with no signs of JE; and group 2 (n = 43) comprised patients still showing signs of JE. Univariate and multivariate analyses were used to compare the groups.
RESULTS: Among the studied variables, pain duration (P = .0175), pain intensity (P < .0001), and MID (P = .0085) were shown to affect arthrocentesis outcomes. The longer the pain duration (odds ratio [OR] = 0.930), the more intense was the pain (OR = 0.346), and the smaller the MID (OR = 0.562), the less were the chances of arthrocentesis completely eliminating JE.
CONCLUSIONS: Pain duration, pain intensity, and MID can be used as predictors for the effect of arthrocentesis on JE outcomes and considered during treatment planning.

PMID: 29422400 [PubMed - as supplied by publisher]

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