To investigate the usefulness of the communication domain in the Korean version of Ages and Stages Questionnaire (K-ASQ), and short form of the Korean version of MacArthur-Bates Communicative Development Inventories (M-B CDI-K), as screening tests for language developmental delay.
Data was collected between April 2010 and December 2013, from children who visited either the Department of Physical Medicine and Rehabilitation or the Developmental Delay Clinic, presenting with language development delay as their chief complaint. All the children took the short form of M-B CDI-K and K-ASQ as screening tests, and received diagnostic language assessments including Sequenced Language Scale for Infants (SELSI) or Preschool Receptive-Expressive Language Scale (PRES).
A total of 206 children, mean age 29.7 months, were enrolled. The final diagnoses were developmental language disorder, global developmental delay, autism spectrum disorder, cerebral palsy, etc. The M-B CDI-K short form and the communication domain of the K-ASQ had 95.9% and 76.7% sensitivity, and 82.4% and 85.3% specificity, with regards to diagnostic language assessments. The M-B CDI-K short form showed higher negative predictive value and better accuracy than the communication domain of the K-ASQ.
The screening ability of K-ASQ was not sufficient for children with language development delay, and the M-B CDI-K short form should be implemented for additional screening.
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To investigate the effect of enhanced external counterpulsation (EECP) on plasma nitric oxide (NO), Endothelin 1 (ET1), high sensitive C-reactive protein (HSCRP) and quality of life (QoL) in patients with coronary artery disease (CAD).
We conducted a pilot randomized clinical trial in order to evaluate plasma NO, ET1, HSCRP and QoL before and after twenty sessions of EECP (group A) and cardiac rehabilitation (CR, group B) in 42 patients with CAD (21 in each group).
Forty-two patients (33 male and 9 female) were included in the study. The mean age was 58.2±10 years. The mean HSCRP was 1.52±0.7 in the EECP group and it was reduced to 1.27±0.4 after intervention. The reduction in HSCRP was not statistically significant in EECP and CR groups with p=0.33 and p=0.27, respectively. There was not significant improvement of NO, ET1, and QoL in the EECP and CR groups shortly after therapy (p>0.05).
Although the short-term EECP treatment in CAD patients improved HSCRP, NO, ET1, and QoL compared with the baseline those improvements are not statistically significant. Further studies are necessary with large study groups and more sessions.
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To investigate the usefulness of MacArthur-Bates Communicative Development Inventories-Korean (M-B CDI-K) short form as a screening test in children with language developmental delay.
From April 2010 to May 2012, a total of 87 patients visited the department of physical medicine and rehabilitation of National Health Insurance Service Ilsan Hospital with the complaint of language developmental delay and were enrolled in this study. All patients took M-B CDI-K short form and Sequenced Language Scale for Infants (SELSI) or Preschool Receptive-Expressive Language Scale (PRES) according to their age.
The study group consisted of 58 male patients and 29 female patients and the mean age was 25.9 months. The diagnosis are global developmental delay in 26 patients, selective language impairment in 31 patients, articulation disorder in 7 patients, cerebral palsy in 8 patients, autism spectrum disorder in 4 patients, motor developmental delay in 4 patients, and others in 7 patients. Seventy-one patients are diagnosed with language developmental delay in SELSI or PRES and of them showed 69 patients a high risk in the M-B CDI-K short form. Sixteen patients are normal in SELSI or PRES and of them showed 14 patients non-high risk in the M-B CDI-K short form. The M-B CDI-K short form has 97.2% sensitivity, 87.5% specificity, a positive predictive value of 0.97, and a negative predictive value of 0.88.
The M-B CDI-K short form has a high sensitivity and specificity so it is considered as an useful screening tool in children with language developmental delay. Additional researches targeting normal children will be continued to supply the specificity of the M-B CDI-K short form.
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Method: The subjects were 26 patients with asymptomatic diabetic neuropathy and 40 healthy adults as control group. All subjects underwent electrodiagnostic evaluation of the following motor nerves: median, ulnar, tibial, and peroneal. Sensory nerves included: median, ulnar, radial, superficial peroneal, sural, lateral dorsal cutaneous branch of the sural nerve (LDSN) and medial plantar. And other studies were the sural/radial amplitude ratio, LDSN/sural amplitude ratio, peroneal and tibial F-responses, and H-reflex recorded from the soleus muscle. The frequency of abnormal parameters in the patients with asymptomatic diabetic neuropathy was obtained by comparison with the normative limits obtained from the control group.
Results: The most frequent abnormal electrodiagnostic parameters were the LDSN onset latency and the amplitude ratio of LDSN/sural (84.6%, respectively) followed by the LDSN peak latency, LDSN amplitude, and medial plantar onset and peak latency (80.8%, respectively).
Conclusion: We concluded that the LDSN and medial plantar nerve conduction studies are useful for early detection of neuropathy in diabetes mellitus. (J Korean Acad Rehab Med 2003; 27: 75-79)
Objective: To determine whether the cause of sympathetic dysfunction is due to increased regional sympathetic outflow or receptor supersensitivity to circulating catecholamines in the pathogenesis of reflex sympathetic dystrophy in hemiplegia.
Method: Ten hemiplegic patients with reflex sympathetic dystrophy were instructed to refrain from smoking or using caffeine and alcohol, and medications that influence catecholamine metabolism were witheld for 24 hours before blood sampling. Patients with cardiovascular disease, diabetes or abnormal liver and renal function tests were excluded from the study. Patients with a history of sympathectomy were also excluded. Ten hemiplegic patients without reflex sympathetic dystrophy served as the control group. Both groups of patients rested in supine position in a quiet room for 30 minutes. A needle with heparin cap was inserted into the dorsal venous arches of the affected hand and patients rested for another 20 minutes, after which blood was drawn through the heparin cap. The blood samples were assayed using high-performance liquid chromatography (HPLC) and norepinephrine and epinephrine were detected electrochemically. 24 hour urine was collected during rest and vanillylmandelic acid (VMA) and metanephrine were also detected using HPLC.
Results: The mean plasma norepinephrine levels were 1.05⁑0.24 ng/ml and 0.47⁑0.06 ng/ml in RSD affected and unaffected groups respectively, and the plasma norepinephrine level was significantly higher in the patient group with reflex sympathetic dystrophy (p＜0.05). The plasma epinephrine and 24-hour urine VMA and metanephrine levels were not significantly different in two groups.
Conclusion: These results may support a hypothesis of increased regional sympathetic outflow in the pathogenesis of reflex sympathetic dystrophy in hemiplegia.
Benign focal amyotrophy (BFA) is a limited form of anterior horn cell disease with variable benign clinical appearance. Clinical symptoms of cold-sensitive BFA have been described but electrodiagnostic workup on these symptoms has not been done. A 28-year-old man suffering from cold-sensitive weakness and coordination disturbance of a hand underwent electrodiagnostic study while the subject was exposed to the cold. According to this study, the BFA with cold sensitivity may be classified as one type of BFA which can be confirmed by electrodiagnostic study.
Congenital insensitivity to pain with anhidrosis (CIPA: a hereditary sensory and autonomic neuropathy, HSAN IV) is a rare disease characterized by the self-mutilation, bone fracture, multiple scars, osteomyelitis, joint deformities and anhidrosis. The pathophysiologic mechanism remains unknown.
This is the report of a twelve years old boy who had been diagnosed as the CIPA at his age of five. Loss of unmyelinated and small myelinated nerve fibers have been noted in an abdominal skin biopsy. On follow up studies, no significant changes were noted in the clinical manifestations and in the findings of laboratory, radiologic and electrophysiologic studies when compared to the initial studies except for the minimally progressed neuropathic ankle joints. Long term follow up study including the sequential electrophysiologic examination and biopsy of nerve and muscle might be necessary to establish the natural course of the disease. Prevention of the injury should be emphasized for the good prognosis.
Objective: The aim of present study is to obtain the reference values of motor and sensory nerve conduction study (NCS) of the median nerve and to re-assess the values of criteria for abnormal findings in the electrophysiological diagnosis of Carpal tunnel syndrome (CTS).
Method: Median and ulnar NCS were performed in 62 neurologically healthy adults as controls and 142 patients with CTS. Reference values of the median and ulnar NCS were obtained from the controls and the criteria for the diagnosis of CTS were made. Sensitivities of diagnostic criteria were calculated.
Results: The criteria included 7 items: (1) A 5-cm short segment study through carpal tunnel, ≥1.3 msec; (2) median motor latency (8 cm), ≥4.0 msec; (3) median sensory latency (14 cm, onset), ≥3.0 msec; (4) median sensory nerve action potential amplitude (baseline to peak), ≤20 uV; (5) ratio of median to ulnar motor latency, ≥1.5; (6) ratio of median to ulnar sensory latency, ≥1.2; (7) ratio of median to ulnar sensory amplitude, ≤0.6. The order of the highest to lowest sensitivity were as follows: a 5-cm short segment study, median sensory latency, median motor latency, ratio of median to ulnar sensory latency, and ratio of median to ulnar motor latency. Approximately 65% of the patients met all the 7 diagnostic criteria and 95% of the patients met 3 or more.
Conclusion: The criteria proposed in this study would enhance the diagnostic sensitivity for the CTS.
Magnetic resonance imaging(MRI) is clearly more reliable than computer tomography and myelography in radiological diagnosis of lumbar herniated intervertebral disc. Moreover, MRI can also detect degenerative changes of intervertebral discs. The purpose of this study was to determine the utility and accuracy of MRI in conjuntion with the diagnosis of lumbar herniated intervertebral disc and to compare findings with operative findings.
Comparisons of operative findings and MRI were done in 133 cases. Each patients had been diagnosed by MRI as having lumbar herniated intervertebral disc. MRI findings included those of spin echo T1-weighted images and T2-weighted images, gradient echo T1-weighted images and T2-weighted images, and gadolinium-DTPA enhancement when needed.
In 32 protrusion disc cases diagnosed by MRI, 28 cases were confirmed by operation and four were actually extrusion disc. In 77 cases diagnosed by MRI as extrusion disc, 72 cases were confirmed by operative findings, while 5 cases were found to be protrusion disc. 4 cases of sequestration disc diagnosed by MRI were confirmed by operative findings. Specific dimensions of MRI use yielded the following results: protrusion disc indicated 84.8% in sensitivity, 95% specificity, 87.5% in accuracy; extrusion disc showed 94.7%, 86.5%, 93.5%, respectively; and sequestration disc revealed 100% in all categories. In this study, the average accuracy of lumbar herniated intervertebral disc diagnosed by MRI was 93.6% on average.
Accordingly, MRI has shown itself to be a good diagnostic tool for determining anatomical and biological change in lumbar herniated intervertebral disc.
Recent studies for the diabetic polyneuropathy have quantified as well as compared the clinical and the electrophysiological findings. Thirty-one diabetic patients were examined with a conventional nerve conduction study, a late response, a somatosensory evoked potential (SEP), a sympathetic skin response (SSR), a R-R interval, and a needle electromyography (EMG) after the clinical examination. The purposes of this study were to evaluate the correlation of clinical features and electrophysiological findings and to provide reliable criteria for the diagnosis of diabetic polyneuropathy. Diabetic polyneuropathy was diagnosed when a nerve conduction study revealed abnormal findings in two or more peripheral nerves. The following parameters were highly correlated with a diabetic polyneuropathy; ankle jerks (Spearman's r=0.92), H reflexes (Spearman's r=0.92), F waves by the tibial nerve stimulation (Spearman's r=0.88), F waves by the peroneal nerve stimulations (Spearman's r=0.84), and amplitudes of a sensory nerve action potential (SNAP) in the sural nerve (Spearman's r=0.79), SEPs by the tibial nerve stimulation (Spearman's r=0.79). Motor nerve conduction of the upper limbs, R-R interval ratios, and blood pressure changes had no significant correlations with a diabetic polyneuropathy.
We concluded that these clinical and electrophysiological findings with significantly high correlation values would be good parameters for the diagnosis of diabetic polyneuropathy.
The neurobehavioral cognitive status examination(NCSE), a screening examination tool that assesses cognitive funtion in a brief but quantitative fashion, is used as an independent test of five major areas: language, constructions, memory, calculation and reasoning. The examination also separately assesses levels of consciousness, orientation, and attention. This instrument quickly identifies the intact areas of functioning, yet provides more detailed assessment in the areas of dysfunction. To determine whether the neurobehavioral cognitive status examination is a more sensitive instrument for the detection of cognitive impairment than the minimental state examination(MMSE), we performed these test simultaneously in 26 patients with stroke. The sensitivities were 88.5% for NCSE and 53.8% for MMSE respectively. The sensitivity of NCSE was derived from two features of its design: the use of independent tests to assess skills within five major areas of cognitive functioning, and the use of graded tasks within each of these cognitive domains.
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