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Abstract
PURPOSE OF REVIEW Imaging is used in the diagnosis of peripheral and axial disease in juvenile spondyloarthritis (JSpA). Imaging of the joints and entheses in children and adolescents can be challenging for those unfamiliar with the appearance of the maturing skeleton. These differences are key for rheumatologists and radiologists to be aware of. RECENT FINDINGS In youth, skeletal variation during maturation makes the identification of arthritis, enthesitis, and sacroiliitis difficult. A great effort has been put forward to define imaging characteristics seen in healthy children in order to more accurately identify disease. Additionally, there are novel imaging modalities on the horizon that are promising to further differentiate normal physiologic changes versus disease. SUMMARY This review describes the current state of imaging, limitations, and future imaging modalities in youth, with key attention to differences in imaging interpretation of the peripheral joints, entheses, and sacroiliac joint in youth and adults.
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Affiliation(s)
- Hallie A Carol
- Division of Rheumatology, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | | | - Pamela F Weiss
- Division of Rheumatology, Department of Pediatrics, Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia and Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Investigation of Vitamin D Levels and the Effects of Being an Agricultural Worker on Etiology and Night Pain in Children and Adolescents With Chronic Low Back Pain. Cureus 2023; 15:e36601. [PMID: 36968676 PMCID: PMC10036143 DOI: 10.7759/cureus.36601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2023] [Indexed: 03/25/2023] Open
Abstract
Objective: Chronic low back pain in children is a condition that should be investigated. In this study, we examined the effects of agricultural work on imaging results, risk factors, night pain, and vitamin D levels in children and adolescents with chronic low back pain. Material and methods: The study included 133 patients who presented to the Physical Medicine and Rehabilitation and Neurosurgery outpatient clinics with low back pain that had lasted more than three months. The patients were evaluated based on the duration of their low back pain, the presence of night pain, a family history of low back pain, their employment status, local or radicular pain, and their body mass index (BMI). A physical examination was carried out to look into the etiologies of low back pain. Appropriate imaging, such as x-ray radiography, magnetic resonance imaging (MRI), and computed tomography (CT), was performed for the patients. Blood samples were collected from patients to assess inflammatory pathologies and vitamin D levels. Results: The 133 patients in the study ranged in age from seven to 16 years, with a mean age of 14.3 + 1.9 years. Further, 60.2% (n = 80) of the cases were male, while 39.8% (n = 53) were female. Imaging revealed findings in 59.4% of the patients. In 97.7% of the participants, D hypovitaminosis was detected. There was no significant relationship between the patients’ imaging findings and vitamin D deficiency, family history, BMI, and employment status (p = 0.441, 0.147, 0.082, 0.605). The relationship between family history, employment status, and night pain was statistically significant (p < 0.001). There was no statistically significant relationship between night pain and vitamin D deficiency (p = 0.667). Conclusion: Mechanical strain due to agricultural work and family history was found to be associated with night pain in patients with chronic low back pain in our study. The most important finding of this study is that night pain, which is considered a red flag, can occur in both inflammatory pathologies and situations causing mechanical low back pain, and risk factors should be thoroughly investigated. Studies with patients who have sufficient vitamin D will help to clarify the relationship between chronic low back pain and vitamin D.
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ERDOGAN B, KOLUTEK AY B. Investigation of Spinal Magnetic Resonance Imaging Results of Pediatric Patients Presenting with Low Back Pain. KAHRAMANMARAŞ SÜTÇÜ İMAM ÜNIVERSITESI TIP FAKÜLTESI DERGISI 2022. [DOI: 10.17517/ksutfd.1156487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Objective: Low back pain in pediatric patients can be severe in terms of its consequences and should be investigated. In this study, the etiology of pediatric low back pain was examined, and it was evaluated whether there was a relationship between age and gender.
Material and Methods: In this study, 228 patients under 18 who applied to Şanlıurfa Training and Research Hospital Physical Medicine and Rehabilitation and Brain and Nerve Surgery polyclinics complained of low back pain and underwent spinal Magnetic Resonance Imaging (MRI) in 2021 were analyzed retrospectively.
Results: The ages of 228 patients included in our study ranged from 4 to 18 years, with a mean age of 12.8±2.5. 54.8% of the cases were male (n=125), 45.2% (n=103) were female. While MRI findings were not observed in 92 cases, MRI findings were found in 136 cases. Disc pathology was detected in 44.7% (n=102) of the cases, and structural pathology was found in 14.9% (n=36). The most common disc pathology was bulging, constituting 32.9% (n=75) of the cases. There was no significant difference between the genders of the cases according to the incidence of disc pathology (p=0.434). When age and incidence of disc pathology were evaluated, the age of the group with disc pathology was significantly higher than the group without disc pathology (p
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Shi J, Kurra S, Danaher M, Bailey F, Sullivan KH, Lavelle W. The Reliability of CT Scan Measurements of Pelvic Incidence in the Evaluation of Adult Spondylolisthesis. Cureus 2022; 14:e21696. [PMID: 35237488 PMCID: PMC8882350 DOI: 10.7759/cureus.21696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/14/2022] [Indexed: 11/09/2022] Open
Abstract
Background: Pelvic incidence (PI) has been described as a parameter that may be a risk factor for lumbar spondylolisthesis (SPL). Studies have reported PI measurement is more precise in CT scans. Very limited studies have measured PI using CT scans to evaluate SPL. We analyzed the reliability of CT scans to measure PI to evaluate SPL and compared it to patients without SPL. Methods: A retrospective, cross-sectional study of PI in a consecutive cohort of patients’ pelvic/abdominal CT scans from an emergency room visit at a Level 1 trauma center between 2013 and 2016. Inclusion criteria was >18 years and had no lumbar or pelvis fracture. A total of 361 patients met the criteria for our study. We documented age, average PI, and SPL (type, grading, and location). Sagittal CT scans were used to measure PI (between hip axis to an orthogonal line originating at the center of superior end plate axis of first sacral vertebra). Patients were categorized: with SPL (n=45) and without SPL (n=316). Subgroups were comprised based on the location of SPL (L4/L5 and L5/S1) and type of SPL. Analysis of variance (ANOVA) and chi-square tests used; p≤0.05 considered statistically significant. Results: Patients with SPL were significantly older versus patients without SPL, p=0.006. There were no statistical differences in PI between patients with and without SPL (p=0.29); between subgroups of patients with SPL at L4/L5 and without SPL (p=0.52); between subgroups with type of SPL at L4/L5 and without SPL (p=0.47); and between SPL patients at L5/S1 and without SPL (p=0.40). Patients with isthmic SPL at L5/S1 had nearly significant higher PIs (p=0.06) compared to those without SPL or with degenerative SPL at L5/S1. There was a trend towards higher PI in Grade 2 SPL patients at L5/S1, p=0.18. Conclusions: Patients with SPL were significantly older than patients without SPL. The two trends observed were that PI was higher in patients with isthmic SPL at L5/S1 and an increased PI with Grade 2 isthmic SPL at L5/S1. Our reported CT PI measurements correlated with reported PI measured using standard radiographs in patients with SPL. CT scans may be a reliable modality to evaluate adult SPL.
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Ashby K, Yilmaz E, Mathkour M, Olewnik Ł, Hage D, Iwanaga J, Loukas M, Tubbs RS. Ligaments stabilizing the sacrum and sacroiliac joint: a comprehensive review. Neurosurg Rev 2021; 45:357-364. [PMID: 34432162 DOI: 10.1007/s10143-021-01625-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/15/2021] [Accepted: 08/10/2021] [Indexed: 11/29/2022]
Abstract
The sacroiliac joint is a diarthrodial synovial joint in the pelvis. Anatomically, it is described as a symphysis, its synovial joint characteristics being limited to the distal cartilaginous portion on the iliac side. It is a continuous ligamentous stocking comprising interconnecting ligamentous structures and surrounding fascia. Its ligaments, the primary source of its stability, include the anterior, interosseous and dorsal sacroiliac, the iliolumbar, sacrotuberous, and sacrospinous. Structural reinforcement is also provided by neighboring fascia and muscles. Lower back pain is a common presentation of sacroiliac joint disease, the best-established treatments being corticosteroid injections, bipolar radiofrequency ablation, and sacroiliac joint fusion.
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Affiliation(s)
- Kara Ashby
- Department of Anatomical Sciences, St. George's University, St. George's, Grenada
| | - Emre Yilmaz
- Department of Trauma Surgery, BG University Hospital Bergmannsheil, Ruhr University Bochum, Bochum, NRW, Germany
| | - Mansour Mathkour
- Tulane University & Ochsner Clinic Neurosurgery Program, Tulane University School of Medicine, New Orleans, LA, USA
| | - Łukasz Olewnik
- Department of Anatomical Dissection and Donation, Medical University of Lodz, Lodz, Poland
| | - Dany Hage
- Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, 131 S. Robertson St. Suite 1300, New Orleans, LA, 70112, USA
| | - Joe Iwanaga
- Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, 131 S. Robertson St. Suite 1300, New Orleans, LA, 70112, USA. .,Department of Neurology, Tulane Center for Clinical Neurosciences, Tulane University, New Orleans, LA, USA.
| | - Marios Loukas
- Department of Anatomical Sciences, St. George's University, St. George's, Grenada
| | - R Shane Tubbs
- Department of Anatomical Sciences, St. George's University, St. George's, Grenada.,Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, 131 S. Robertson St. Suite 1300, New Orleans, LA, 70112, USA.,Department of Neurology, Tulane Center for Clinical Neurosciences, Tulane University, New Orleans, LA, USA.,Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, USA.,Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA.,Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA.,University of Queensland, Brisbane, Australia
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Toofan Y, Tarun S, Bender JD, Auerbach SA, Stewart DA, Watson ME. Vertebral osteomyelitis due to Salmonella Poona in a healthy adolescent female. SAGE Open Med Case Rep 2020; 8:2050313X20969017. [PMID: 33194203 PMCID: PMC7607749 DOI: 10.1177/2050313x20969017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/04/2020] [Indexed: 12/18/2022] Open
Abstract
We present a case of vertebral osteomyelitis in a previously healthy, adolescent Caucasian female athlete. After months of lower back pain, spinal imaging demonstrated phlegmon and suspected osteomyelitis of the L4 vertebral body. A bone biopsy was obtained, and microbiologic cultures yielded pure growth of Salmonella enterica subsp. enterica serovar Poona (S. Poona), a member of the nontyphoid Salmonella group associated with food-borne gastroenteritis in the United States. This case represents the first reported association of S. Poona with osteomyelitis and is interesting in that the infection developed in a patient without traditional risk factors for invasive Salmonella disease (i.e. sickle cell disease). This case highlights the importance of keeping a broad differential diagnosis for lower back pain and emphasizes the value of obtaining specimens for microbiologic culture to aid in diagnosing non-traditional and potentially emerging bacterial pathogens.
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Affiliation(s)
- Yalda Toofan
- Medical School, University of Michigan, Ann Arbor, MI, USA
| | - Samiksha Tarun
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Jonathan D Bender
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Sarah A Auerbach
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - David A Stewart
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Michael E Watson
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
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Abstract
Back pain has long been considered an uncommon complaint in the pediatric population. When present, teaching had been that pediatric back pain almost always has a diagnosable cause, many of which are progressive and potentially debilitating. Recent evidence has suggested that pediatric back pain is not only more common than once thought but also, within certain populations, benign and idiopathic. This, in turn, places an increasing amount of pressure on pediatricians to accurately assess and manage their patients presenting with complaints of back pain. The aim of this article is to serve as a review of the current literature on pediatric back pain. The article reviews the epidemiology, basic anatomy, and important elements of a history and examination, which should be considered when a child presents complaining of back pain. Last, a common differential diagnosis with evaluation and management is also given to help guide pediatricians through their medical decision making.
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Affiliation(s)
- Micah Lamb
- Children's Hospital of Philadelphia, Philadelphia, PA
| | - Joel S Brenner
- Children's Specialty Group PLLC, Norfolk, VA.,Children's Hospital of The King's Daughters, Norfolk, VA.,Eastern Virginia Medical School, Norfolk, VA
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Breuner CC. Adolescent Back Pain. PHYSICIAN ASSISTANT CLINICS 2020. [DOI: 10.1016/j.cpha.2020.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pai T, Ristagno EH, Holmberg PJ. Case 2: Low Back Pain in a 15-year-old Girl. Pediatr Rev 2020; 41:419-422. [PMID: 32737255 DOI: 10.1542/pir.2018-0182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
| | | | - Peter J Holmberg
- Division of Pediatric Hospital Medicine, Mayo Clinic, Rochester, MN
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Schiettecatte E, Jaremko J, Sudoł-Szopińska I, Znajdek M, Mandegaran R, Swami V, Jans L, Herregods N. Common incidental findings on sacroiliac joint MRI in children clinically suspected of juvenile spondyloarthritis. Eur J Radiol Open 2020; 7:100225. [PMID: 32154331 PMCID: PMC7058907 DOI: 10.1016/j.ejro.2020.100225] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/18/2020] [Accepted: 02/22/2020] [Indexed: 02/07/2023] Open
Abstract
What to look for on MRI of the sacroiliac (SI) joint. Incidental findings are common on MRI of the sacroiliac (SI) joint in children. There is more to see than sacroiliitis on MRI of the sacroiliac (SI) joint. Degeneration, inflammation, tumor and normal variants can be seen on MRI of SI joint.
Purpose To determine the prevalence of incidental findings on sacroiliac (SI) joint MRI in children clinically suspected of Juvenile Spondyloarthritis (JSpA). Methods In this retrospective multi-center study of 540 children clinically suspected of JSpA who underwent MRI of SI joints from February 2012 to May 2018, the prevalence of sacroiliitis and other incidental findings was recorded. Results In 106/540 (20 %) children MRI features of sacroiliitis were present. In 228 (42 %) patients MRI showed at least one incidental finding other than sacroiliitis. A total of 271 abnormal findings were reported. The most frequent incidental findings were at lumbosacral spine (158 patients, 29 %) and hip (43 patients, 8 %). The most common incidental finding was axial degenerative changes, seen in 94 patients (17 %). Other less frequent pathologies were: simple (bone) cyst in 15 (2,8 %) patients; enthesitis/tendinitis in 16 (3 %) patients; non-specific focal bone marrow edema (BME) away from SI joints in 10 (1,9 %) patients; ovarian cysts in 7 (1,3 %) patients; BME in the course of chronic recurrent multifocal osteomyelitis (CRMO) in 4 (0,7 %) patients; muscle pathology in 4 (0,7%) patients; benign tumors in 3 (0,6 %) patients; (old) fractures in 3 (0,6 %) patients; bony apophyseal avulsion in 2 (0,4 %) patients and malignant tumors in 2 (0,4 %) patients. Conclusion Incidental findings are common on MRI of the SI joints in children clinically suspected of JSpA, particularly at the lumbar spine and hips. They are seen even more frequently than sacroiliitis and can be relevant, as some will have clinical significance or require treatment.
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Key Words
- AVN, avascular necrosis
- BME, bone marrow edema
- CRMO, chronic recurrent multifocal osteomyelitis
- FOV, field of view
- Gd, gadolinium DTPA
- HLA-B27, human leukocyte antigen B27
- IV, intravenous
- Inflammation
- JSpA, juvenile spondyloarthritis
- Juvenile spondyloarthritis
- MRI, magnetic resonance imaging
- Magnetic resonance imaging (MRI)
- SI, sacroiliac
- ST, slice thickness
- STIR, short tau inversion recovery
- Sacroiliac joint
- Sacroiliitis
- TE, echo time
- TR, repetition time
- TSE, turbo spin echo
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Affiliation(s)
- E. Schiettecatte
- Department of Radiology and Medical Imaging, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Gent, Belgium
- Corresponding author.
| | - J.L. Jaremko
- Department of Radiology, University of Alberta Hospital, 8440-112 Street, Edmonton, T6G 2B7, Alberta, Canada
| | - I. Sudoł-Szopińska
- Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - M. Znajdek
- Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - R. Mandegaran
- Department of Radiology, University of Alberta Hospital, 8440-112 Street, Edmonton, T6G 2B7, Alberta, Canada
| | - V. Swami
- Department of Radiology, University of Alberta Hospital, 8440-112 Street, Edmonton, T6G 2B7, Alberta, Canada
| | - L. Jans
- Department of Radiology and Medical Imaging, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Gent, Belgium
| | - N. Herregods
- Department of Radiology and Medical Imaging, Ghent University Hospital, Corneel Heymanslaan 10, 9000, Gent, Belgium
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Abstract
Low back pain in adolescents is a common complaint in primary care. With an average prevalence rate of 40%, adolescent low back pain correlates with greater healthcare use, higher incidences of adult back pain, and negative effects on overall well-being. A thorough history and physical examination can increase early detection and accurate diagnosis while ensuring the judicious use of diagnostic modalities. Although underlying serious pathology is rare in adolescents with low back pain, clinicians should recognize specific signs and symptoms that necessitate urgent evaluation and intervention. This article emphasizes the value of using a thorough history and physical examination to guide the initial diagnostic workup and to enhance the early detection and accurate diagnosis of adolescents who present with low back pain.
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Krause L, Mauz E. [Headache, abdominal pain, and back pain in children and adolescents in Thuringia : Representative results of a regional module study in KiGGS wave 1]. Schmerz 2019. [PMID: 29532154 DOI: 10.1007/s00482-018-0280-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Recurring pain in children and adolescents can have a negative impact on health and well-being. This study investigates recurring headache, abdominal pain, and back pain in children and adolescents in Thuringia. Data is based on a representative sub-sample from the federal state module Thuringia (2010-2012, n = 4096, 3-17 years), carried out in KiGGS wave 1 (first follow-up interview of the "German Health Interview and Examination Survey for Children and Adolescents"). The 3‑month prevalence of recurrent headache, abdominal pain, and back pain is reported according to socio-demographic factors and is compared with the prevalence for the whole of Germany. In addition, possible associated factors of recurring headache, abdominal pain, and back pain in the previous 3 months are analyzed. Results for Thuringia show that 3‑ to 10-year-old children were most frequently affected by recurrent abdominal pain (girls: 24.1%; boys: 16.7%), while 11- to 17-year-old adolescents were most frequently affected by recurrent headaches (girls: 36.8%; boys: 20.6%). There were isolated socio-economic differences in the 3‑month prevalences of recurrent headache and back pain to the detriment of the low status group. Compared to peers in the whole of Germany, girls and boys in Thuringia did not report headache, abdominal pain, and back pain in the previous 3 months more frequently. The investigated associated factors-fair to very poor self-rated health, emotional problems such as anxiety and depressive symptoms, chronic diseases and other health complaints, migraine, use of a general medical practice, as well as practices for orthopedics and neurology, and in-patient treatment at a hospital-were positively related to the 3‑month prevalence of recurrent headache, abdominal pain, and back pain. Overall, the results confirm that recurring pain is a common phenomenon in childhood and adolescents and, therefore, underline the public health relevance of pain in this young age group.
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Affiliation(s)
- L Krause
- Abteilung für Epidemiologie und Gesundheitsmonitoring, Robert Koch-Institut, General-Pape-Straße 62-66, 12101, Berlin, Deutschland.
| | - E Mauz
- Abteilung für Epidemiologie und Gesundheitsmonitoring, Robert Koch-Institut, General-Pape-Straße 62-66, 12101, Berlin, Deutschland
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Abstract
OBJECTIVES Back pain is an uncommon chief complaint in the pediatric emergency department (ED). However, there are serious underlying conditions requiring prompt diagnosis and treatment. While the etiology is usually benign, variation exists in the evaluation. The study purpose was to describe pediatric patients who presented to the ED with back pain and evaluate for associations with laboratory and radiologic abnormalities indicative of underlying musculoskeletal pathology. METHODS A retrospective review was conducted of patients aged birth to 18 years who presented to a pediatric ED with a chief complaint of back pain during a 1-year period. Primary outcome was discharge diagnosis, categorized as nonpathologic back pain, pathologic back pain, and other etiologies. Descriptive statistics were used. RESULTS Two-hundred thirty-two patient encounters were reviewed, with 177 included in data analysis. A nonpathologic diagnosis of back pain was found in 76.8% of visits. Back pain and back or muscle strain were the most common diagnoses. Pathologic back pain diagnoses represented 2.3% of visits. Radiologic imaging was performed in 37.9%. Positive findings were noted in 16.9% of radiographs; no abnormalities were noted on computed tomography scan or magnetic resonance imaging. Laboratory studies were conducted in 35%. Abnormal plain radiographs were associated with a pathologic diagnosis of back pain (P < 0.001). CONCLUSIONS Most pediatric patients presenting to the ED with back pain were found to have a nonpathologic etiology and were discharged. Among those with a pathologic back pain diagnosis, abnormal radiograph findings were the only statistically significant factor, whereas laboratory studies, computed tomography scans, and magnetic resonance imaging scans were less indicative.
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Vernese LF, Chu SK. Spondylolysis: Assessment and Treatment in Youth Athletes. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2017. [DOI: 10.1007/s40141-017-0151-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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