Are Constant Pain, Night Pain, or Abnormal Neurological Examination Adequate Predictors of the Presence of a Significant Pathology Associated With Pediatric Back Pain?
Introduction:
Previous studies have suggested that most cases of pediatric back pain do not have an identifiable cause. No reliable sign or indication differentiates between a benign or serious cause of the symptom. Constant pain, night pain, and abnormal neurological examination have been suggested as adequate predictors of an identifiable cause, when plain radiographs could not explain the symptoms. The purpose of this study is to determine the sensitivity, specificity, and likelihood ratios of constant pain, night pain, and abnormal neurological examination to predict the presence of an underlying positive finding as a cause of back pain.
Method:
From 2010 to 2016, all patients who presented with a chief complaint of back pain were included in the study. Magnetic Resonance Image was performed to all patients presenting with back pain without identifiable cause lasting >4 weeks. Patients who presented with spondylolysis were treated accordingly base on radiographic findings and were excluded as study protocol.
Results:
A total of 388 patients were evaluated during the study period. The mean age of the subjects was 14.5 years; 69.7% being female. An underlying pathologic condition was identified in 56 of 132 (42%) of patients with constant pain, 61 of 162 (38%) with night pain, and 8 of 9 (89%) with abnormal neurological examination. Probability to have an underlying pathology correlated directly with the amount of clinical markers.
Discussion:
An abnormal neurological examination was found as a strong predictor for an underlying pathologic condition. Further imaging of a pediatric patient with back pain without clear explanation for their symptoms on plain radiographs should not be limited to constant pain, or night pain because clinicians could be missing important diagnosis. Therefore, the clinician cannot be assured by absence of these clinical markers, that there is no underlying spinal pathology.
Level of Evidence:
Level III.
Previous studies have suggested that most cases of pediatric back pain do not have an identifiable cause. No reliable sign or indication differentiates between a benign or serious cause of the symptom. Constant pain, night pain, and abnormal neurological examination have been suggested as adequate predictors of an identifiable cause, when plain radiographs could not explain the symptoms. The purpose of this study is to determine the sensitivity, specificity, and likelihood ratios of constant pain, night pain, and abnormal neurological examination to predict the presence of an underlying positive finding as a cause of back pain.
Method:
From 2010 to 2016, all patients who presented with a chief complaint of back pain were included in the study. Magnetic Resonance Image was performed to all patients presenting with back pain without identifiable cause lasting >4 weeks. Patients who presented with spondylolysis were treated accordingly base on radiographic findings and were excluded as study protocol.
Results:
A total of 388 patients were evaluated during the study period. The mean age of the subjects was 14.5 years; 69.7% being female. An underlying pathologic condition was identified in 56 of 132 (42%) of patients with constant pain, 61 of 162 (38%) with night pain, and 8 of 9 (89%) with abnormal neurological examination. Probability to have an underlying pathology correlated directly with the amount of clinical markers.
Discussion:
An abnormal neurological examination was found as a strong predictor for an underlying pathologic condition. Further imaging of a pediatric patient with back pain without clear explanation for their symptoms on plain radiographs should not be limited to constant pain, or night pain because clinicians could be missing important diagnosis. Therefore, the clinician cannot be assured by absence of these clinical markers, that there is no underlying spinal pathology.
Level of Evidence:
Level III.
Keywords: Back pain; abnormal neurological examination; constant pain; night pain
Document Type: Research Article
Affiliations: 1: Pediatric Orthopedic Department, Concepcion Hospital 2: Surgery Department, Ponce Health Sciences University 3: Biology Department, Inter-American University, San German 4: School of Medicine, University of Puerto Rico, San Juan, PR 5: Pediatric Department, Hospital Episcopal San Lucas 6: Public Health Program, Ponce Health Sciences University, Ponce
Publication date: 01 July 2019
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