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Neurologic Examination

Diagnosis and management of patients with polyneuropathy

Author/s: 
Mirian, A., Aljohani, Z., Grushka, D., Florendo-Cumbermack, A.

Polyneuropathy is a common neurologic condition with an overall prevalence in the general population of about 1%–3%, increasing to roughly 7% among people older than 65 years. Polyneuropathy has many causes, and can present in many different ways; thus, it requires a logical clinical approach for evaluation, diagnosis and management. We review the approach to evaluating a patient with polyneuropathy by highlighting important aspects of the history and neurologic examination. We focus on the role of diagnostic investigations for distal symmetric polyneuropathy (DSP), the most common subtype, and an approach to the symptomatic treatment of painful diabetic polyneuropathy (PDN). We draw on practice based guidelines, meta-analyses and systematic reviews, where
possible, as they represent the highest levels of evidence (Box 1).

Keywords 
polyneuropathy diagnosis Pain treatment therapy

A Battery of Easily Accessible, Simple Tools for the Assessment of Concussion in Children

Author/s: 
Brown, William D., Baird, Janette, Kriz, Peter K.

Objective: To determine whether a non-proprietary, novel testing battery can identify recently concussed children within 8 weeks of injury.

Study design: In total, 568 clinic outpatients aged 10-18 years were sorted into 3 groups: 316 had never been concussed, 162 had ever been concussed before 8 weeks earlier, and 90 had been recently concussed within 8 weeks. At initial and any subsequent visits, a neurologic examination and 4 procedures were performed: Stick Drop, Wall Ball, Sharpened Modified Romberg (SMR), and Animal Naming. Analysis included inter-group and intra-person performance differences using a series of t tests on the Stick Drop, Wall Ball, SMR, and Animal Naming.

Results: The recently concussed group performed worse (P < .01 for all) on Stick Drop, total Wall Ball bounces and drops, and SMR compared with never-concussed and ever-concussed groups. This effect for Stick Drop, SMR, and Wall Ball but not Animal Naming persisted beyond the 4 weeks commonly stated to define recovery. Of 59 recently concussed subjects who returned for ≥1 visit, there were improvements in Stick Drop average (P = .004) and maxima (P = .02) as well as SMR (P = .01) but not Animal Naming between initial and subsequent visits.

Conclusions: This novel, rapid testing battery distinguished groups of children ages 10-18 years who had and had not experienced a recent concussion. A view that physical concussion symptoms resolve within a month of injury may be incomplete. Deployment of this readily available, inexpensive and non-proprietary battery should be compared with other tools and studied further in serial assessments.

Keywords 
adolescent brian child concussion diagnosis evaluation injury
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