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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.

Case: A 13-year-old female gymnast sustained a diaphyseal both-bone forearm fracture due to a grip lock injury. Conclusion: This is a report of a diaphyseal both-bone forearm fracture due to a grip lock injury in a female pediatric gymnast, successfully treated with closed reduction and cast immobilization. The rare mechanism of injury, education, and treatment have been discussed.

Introduction: The relationship between spinal structure and respiratory function has been coined as thoracic insufficiency syndrome and is defined as the inability of the thorax to support normal respiratory function or lung growth. Little is known about what supports this relationship in untreated nonambulatory myelomeningocele patients. Methods: A prospective cross-sectional study of nonambulatory myelodysplasia patients was performed. Anatomic, radiographic, and functional parameters were evaluated to validate the respiratory–spinal structure relationship. Thirty-one patients diagnosed with nonambulatory myelomeningocele fulfilled the inclusion criteria. Results: The imaging study confirmed the spinal deformity. Lung functions measured in this patient population describe reduced lung volumes by CT lung volume reconstruction, reduced vital capacity by spirometry, and reduced total lung capacity by the nitrogen washout method. Together, these findings suggest moderate restrictive respiratory disease. The blood count study did not show evidence of anemia or other blood disturbances. Echocardiogram analysis did not show pulmonary hypertension in any patient. Conclusion: The data validate the relationship between spinal structure and lung function. However, there is no simple structural feature that could help to diagnose thoracic insufficiency syndrome. Thus, the diagnosis continues to be based on a combination of clinical findings and radiological and respiratory function evaluations. Level of Evidence: Level III

Early-onset scoliosis (EOS) is defined as any spinal deformity that is present before 10 years old, regardless of etiology. Deformity must be evaluated based on the intercorrelation between the lungs, spine, and thorax. Curvatures of early-onset have increased risk of progression, cardiorespiratory problems, and increased morbidity and mortality. Progression of the deformity may produce thoracic insufficiency syndrome, where a distorted thorax is unable to support normal respiratory function or lung growth. Management and treatment of EOS should pursue a holistic approach in which the psychological impact and quality of life of the patient are also taken into consideration. Growth-friendly surgical techniques have not met the initial expectations of correcting scoliotic deformity, promoting thoracic growth, and improving pulmonary function.

Introduction: Flexor tendon lacerations in zone II have been reported to be the most complicated of all tendon injuries. Currently, there is no consensus on treatment in surgical management for patients with flexor tendon laceration of flexor digitorum profundus and flexor digitorum superficialis (FDS). The aim of this study was to evaluate whether the repair of FDS tendons provided superior functional outcomes compared with FDS excision in Hispanic patients. Methods: Total active motion, original Strickland criteria, and the disability of arm shoulder and hand questionnaire were provided postoperatively at 3 and 6 months to all consecutive Hispanic patients who underwent zone II flexor tendon repair. The cohort was divided into two groups, those who underwent FDS repair and those underwent FDS excision. Results: Functional and disability outcome analysis showed a notable improvement with FDS repair using total active motion, Strickland criteria, and disability of arm shoulder and hand score at the 3 months postoperative interval. No statistical differences were identified regarding functional and disability outcomes at the 6-month evaluation between both groups. Conclusions: Among Hispanics, the FDS-repaired group had similar functional and disability outcomes at their 6 months postoperative evaluation compared with the FDS-excised group. Increased awareness for tendon rerupture during the initial 3 months of index surgery is recommended for FDS-excised patients.

The use of constant pain and night pain as clinical markers for predicting the presence of underlying pathology in painful adolescent idiopathic scoliosis (AIS) patients has been questioned. Pain intensity has been recognized as an important domain in pain assessment. The numerical rating scale (NRS) is one of the most commonly validated tools to assess pain intensity in children above 8 years of age. The aim of this study was to assess the NRS as a predictor of underlying pathologies found by MRI in painful AIS patients. A cross-sectional study comprising of all AIS patients with back pain lasting >4 weeks from April 2015 to April 2019 was performed. An MRI was performed on each AIS patient presenting with back pain after a nondiagnostic history, physical examination and spinal X-ray. The pain was graded using the NRS, ranging from 0 to 10. Patients were divided into three groups: NRS (1-3), NRS (4-6) and NRS (7-10). Variables, including gender, age, scoliosis magnitude and presence of underlying pathology, were compared between the groups. A total of 186 AIS patients were evaluated in the study, were 66/186 (35.5%) of them had underlying pathologies. The mean age of subjects was 14.7 years, 85% being female. An underlying pathology was identified in 4/11 (36.4%) with NRS (1-3), 28/82 (34.2%) with NRS (4-6) and 34/93 (36.6%) with NRS (7-10) (P = 0.94). The use of an NRS was not found to be an adequate predictor for identifying an underlying pathology via MRI in painful AIS patients.