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PubMed2002

Muscle power development during the first year of life predicts neuromotor behaviour at 7 years in preterm born high-risk infants.

The aim of the study was to find if neurological function during the first year of life could predict neuromotor behaviour at 7 years of age in children born preterm with a high risk. A follow-up study of neuromotor behaviour in 52 children at a mean age of 3, 6, 12 months (corrected age) and 7 years was performed. All children were born with a gestational age less than 32 weeks and/or a birthweight under 1500 g and the infants were categorised according to their medical history in the three highest categories of the 'Neonatal Medical Index' (NMI, from category I to V, from few to serious complications). In addition, neonatal cerebral ultrasound abnormalities were used to divide the infants further into the different NMI categories. At 3 and 6 months, the relationship between active and passive muscle power was measured in shoulders, trunk and legs and (a)symmetry between right and left was noted. The results at 3 and 6 months were ranged from 1 for optimal to 5 for poor muscle power regulation. At 12 months of age, a neurological examination was done with special emphasis on the assessment of postural control, spontaneous motility, hand function and elicited infantile reactions with special attention to (a)symmetry. Outcome at 12 months was expressed as percentage of the optimal score on each subcategory. At 7 years, the motor behaviour study based on Touwen's examination for minor neurological dysfunction was performed. This investigation focuses on different functions, such as hand function, quality of walking, posture, passive muscle tone, coordination and diadochokinesis. The outcome was expressed as percentage of the optimal score on the combined subcategories. The best prediction of neuromotor behaviour at 7 years was assessed with stepwise linear multiple regression, using as potential predictors perinatal factors and outcome of motor behaviour at the corrected age of 3, 6 and 12 months. At 7 years none of the children scored 100% on the combined subcategories, 15 children (29%) scored between 75% and 99%, whereas 15 children scored less than 50%. Neuromotor behaviour at 7 years could be predicted by the NMI categorisation and gender with a sensitivity of 92% (specificity 47%; positive and negative predictive value 81% and 70%). No direct relation was found between neuromotor behaviour and cerebral ultrasound classification only, days on the ventilator and/or continuous positive airway pressure, birthweight, gestational age and dysmaturity. The best predictor of neuromotor behaviour at 7 years was the combination of outcome of muscle power in shoulders and legs at 3 months and postural control at 12 months, taking into account the gender of the child (sensitivity 95%; specificity 40%; positive predictive value 80%; negative predictive value 75%).

Birth Weight↗

PubMed1995

The Barthel Index in assessing the response to palliative radiotherapy in malignant spinal cord compression: a prospective audit.

A prospective study of functional assessment of response to palliative radiotherapy (RT) in malignant spinal cord compression (SCC) is reported. The relevant components of the Barthel Activities of Daily Living Index (ADLI: walking, transfer, and bladder and bowel control) were used to assess functional capacity, and compared with a standard neurological assessment. Fifty-one consecutive patients (38 men, 13 women; mean age 63.9 years) were assessed, all of whom were treated by primary or postoperative radiotherapy. Five of the 51 patients had had decompressive laminectomy prior to RT. Median survival was 34 days (range 2-570). Walking improved in only five of 12 patients who had an improvement in motor power. The ability to transfer from bed to chair improved in 11 patients. Ambulation at presentation was the single most important determinant of outcome. Of the eight patients ambulatory at presentation, all were alive at 1 month and seven remained ambulatory. Of the 43 non-ambulatory patients, only four were able to walk following treatment (all prostatic carcinomas). Only four patients regained urinary continence, and none regained bowel control after this was lost. Functional assessment using ADLI and standard neurological examination provide a more useful guide to outcome in malignant SCC than neurological examination alone.

Adolescent↗

PubMed2004

Neurologic course, endocrine dysfunction and triplet repeat size in spinal bulbar muscular atrophy.

OBJECTIVE: To study the role of diabetes, gynecomastia and CAG triplet repeat size as disease modifying factors of neurologic expression in spinal bulbar muscular atrophy (SBMA, Kennedy's disease). METHODS: Twenty unrelated SBMA patients with confirmatory genetic testing were reviewed. Patterns of neurologic involvement were assessed (e.g. bulbar, asymmetric, proximal, distal, motor and sensory). Slopes of disease progression were calculated from serial quantified neurologic examinations. Patterns of neurologic involvement and course were correlated to the presence of diabetes, gynecomastia and triplet repeat size. RESULTS: Diabetes or glucose impairment occurred in nine and 11 had gynecomastia. Patterns of neurologic involvement and rates of progression did not correlate with these endocrine diseases or triplet repeat sizes. Correlation was seen between number of CAG repeats and age of onset weakness (r = -0.53, r2 = 29%, p = 0.01). CONCLUSIONS: The specific neurotoxic effect of expanded CAGs appears limited to age of onset weakness in SBMA. Although significant, only 29% of the variability in onset age could be accounted for by polyglutamine size suggesting the importance of other unidentified factors. In this series diabetes or glucose impairment was more common than previously reported and, like gynecomastia, did not correlate with size of triplet repeats, severity or patterns of neurologic involvement. Modifying factors other than diabetes, gynecomastia or triplet repeat size are suggested in disease expression.

Adult↗

PubMed2000

Cutaneous manifestations of marantic endocarditis.

A 70-year-old patient with a history of hypertension and hypercholesterolemia was referred for evaluation of necrotic toes. The patient had a history of several cerebrovascular accidents during the previous month. Initially, she developed sudden-onset left upper extremity weakness which, over the ensuing 4 days, progressed to complete left-sided weakness. This was followed by the development of acute dysarthria. A transesophageal echocardiogram revealed moderate left ventricular hypertrophy, several vegetations on her tri-leaflet aortic valve associated with moderate aortic regurgitation, and a large right atrial thrombus with a mobile component. Bubble studies failed to reveal any septal defects. The patient's electrocardiogram was nonspecific. As serial blood cultures were negative despite fevers of up to 39.8 degrees C, the patient was treated with a 6-week course of intravenous ceftriaxone, ampicillin, gentamicin, and ciprofloxacin for a presumed diagnosis of culture-negative endocarditis. Fungal cultures of the blood were negative. The patient, however, progressed and developed several necrotic toes. Physical examination was significant for ischemic changes of the left first, second, third, and fifth toes, as well as the right first and second toes. Diffuse subungual splinter hemorrhages in the toenails, numerous 2-4-mm palpable purpuric papules on the lower extremities, and nontender hemorrhagic lesions of the soles were also noted. Peripheral and carotid pulses were intact and no carotid bruits were heard. Cardiopulmonary and abdominal examinations were unremarkable. Neurologic examination revealed a disoriented, dysarthric patient with left central facial nerve paralysis, as well as spasticity, hyperactive reflexes, and diminished strength and sensation in the left upper and lower extremities. A left visual field defect and left hemineglect were also present. The patient's last brain computerized tomogram revealed areas of low attenuation consistent with cerebral infarctions in three distinct areas of the brain. These included the left occipitotemporal area, the right parieto-occipital area, and the right posterior frontal region. The regions affected were in the distribution of both the anterior and posterior circulation. No evidence of hemorrhage was noted. The patient subsequently complained of abdominal discomfort. A computerized tomogram of the abdomen with oral and intravenous contrast revealed a 4-cm x 3-cm irregular mass in the tail of the pancreas with several low-attenuation lesions throughout the liver which were consistent with infarctions or metastases. Several splenic infarctions were also present. A biopsy of the tumor revealed pancreatic adenocarcinoma. The patient's carcinoembryonic antigen level was 18. 4 ng/mL (0-3) and the CA 19-9 antigen level was 207,000 U/mL (0-36). The alpha-fetoprotein level was normal. Other significant laboratory findings included a prothrombin time of 16.7 (international normalized ratio, 1.4), an activated partial thromboplastin time of 32 (ratio, 1.3), and a platelet count of 85,000/mm3. The Russell viper venom time, sedimentation rate, and C3 levels were normal, and the patient was negative for antinuclear antibodies, anticardiolipin antibodies, and antibodies to extractable nuclear antigens. Of note, the patient was not receiving any anticoagulation. Blood cultures for mycobacteria and fungi, human immunodeficiency virus serology, and urinalysis and culture were negative. The patient subsequently developed an inferior wall myocardial infarction and was transferred to the coronary care unit. In line with the family's request, aggressive care was ceased and the patient expired. The patient's family refused an autopsy.

Adenocarcinoma↗

PubMed2001

Radiosurgery as alternative treatment for skull base meningiomas.

The effect of radiosurgical treatment of skull base meningiomas in 197 patients with a follow-up of at least 2 years was evaluated. Ninety-two of these patients had combined surgical and radiosurgical treatment, while Gamma Knife Radiosurgery (GKRS) was performed as primary treatment in 105 patients. Follow-up was available in 164 patients with intervals of 25-97 months (median 55 months) after GKRS. The imaging controls revealed decreased tumour size in 84 patients (51%), stable tumour volume in 76 ca ses (47%) and increased tumour size in 4 cases (2%). Neurological examinations showed improved neurological status in 58 cases (35%), stable clinical status in 100 patients (61%) and slight worsening in 6 cases (4%). Due to excellent tumour control rate, good clinical outcome and a low complication rate GKRS represents not only an attractive additional treatment option for basal meningiomas, but may even replace microsurgery in selected cases.

Adolescent↗

PubMed1988

Disorders of attention and vigilance.

Attention deficit hyperactivity disorder has gone through multiple name and criterion changes over the last 10 years. It is still viewed as the most common neurobehavioral disorder in the pediatric age group. Diagnostic criteria, as outlined by the DSM III-R, have, as primary diagnostic features of ADHD, inattention, impulsivity, and hyperactivity. There are no diagnostic tests that will absolutely confirm this disorder. Many questionnaires have been devised to help organize and systematize the evaluation. Vision and hearing screening, physical examination, and the neurologic examination are important to exclude other causes for hyperactivity and impulsivity. There are no routine laboratory or specialized tests that are useful in the diagnosis of ADHD. When psychologic testing is deemed necessary, specific areas to study would include discrepancies in the performance and verbal IQ (possibly indicating further testing needed to rule out learning disabilities) and difficulties in the coding portion of the examination, which might point to attentional difficulties. Educational testing can further complete an evaluation when needed. Management of children with ADHD involves multimodal treatment, including educational, behavioral, and possibly pharmacologic intervention. Pharmacotherapy can be a useful adjunct in treating these children. The psycho-stimulants continue to be the first-line medication in treatment, although investigators have studied other drugs. Once the diagnosis has been made and a child has been placed on the multimodal treatment, he should be carefully followed. This disorder does not disappear at the time of puberty, as once was thought, but instead continues to cause problems through adolescence.

Attention Deficit Disorder with Hyperactivity↗

PubMed1995

Long-term outcome after whiplash injury. A 2-year follow-up considering features of injury mechanism and somatic, radiologic, and psychosocial findings.

With the increased incidence of whiplash injury following the introduction of compulsory car seat belts, a large number of reports have dealt with the aftermath of this condition. Previous studies, however, focused on somatic symptoms on the one hand or considered only psychological or neuropsychological variables on the other hand, often in loosely defined or selected groups of patients. No study so far has analyzed the long-term outcome in a nonselected group of patients using a clear injury definition considering patient history; somatic, radiologic, and neuropsychological findings; and features of the injury mechanisms assessed soon after trauma and during follow-up. the present investigation was designed to assess these combined factors. According to a strict definition of whiplash injury, we assessed a consecutive nonselected sample of 117 patients with recent injury who had similar sociocultural and educational backgrounds. The patients had been in automobile crashes and were all equally covered by accident insurance according to the country-wide scheme. Initial examination was performed 7.2 +/- 4.2 days after trauma, and follow-up examinations 3, 6, 12, and 24 months later. At baseline, features of injury mechanism, subjective complaints, and different aspects of patient history were documented and cervical spine X rays performed. At all examinations patients underwent neurologic examination and cognitive and psychosocial factor assessment. At 2 years, patients were divided into symptomatic and asymptomatic groups and then compared with regard to the initial findings. In addition, symptomatic patients who were disabled at the 2-year follow-up examination and symptomatic patients not disabled (that is, they were able to work at the pretraumatic level) were compared regarding initial and 2-year findings. At 2 years, 18% of patients still had injury-related symptoms. With regard to baseline findings the following significant differences were found: Symptomatic patients were older, had higher incidence of rotated or inclined head position at the time of impact, had higher prevalence of pretraumatic headache, showed higher intensity of initial neck pain and headache, complained of a greater number of symptoms, had a higher incidence of symptoms of radicular deficit and higher average scores on a multiple symptom analysis, and displayed more degenerative signs (osteoarthrosis) on X ray. In addition, symptomatic patients scored higher with regard to impaired well-being and performed worse on tasks of attentional functioning and showed more concern with regard to long-term suffering and disability.(ABSTRACT TRUNCATED AT 400 WORDS)

Accidents, Traffic↗

PubMed1998

[A case of brain abscess accompanied with sudden-onset hemiplegia as initial manifestation].

A 58-year-old male experienced a sudden stroke-like onset of right hemiplegia and numbness of his right upper limb while engaged in his desk-work on April 7, 1997. He had a past history of diabetes mellitus and hyperlipidemia. On admission, he had no fever and the blood pressure was 140/70 mmHg. General physical examination was unremarkable. Neurological examination showed 4/5 strength of his right unilateral extremities and numbness of his right upper limb. Clinical features and computed tomography (CT) without contrast medium at the onset of hemiplegia suggested a stroke. Seven days after admission, his consciousness worsened and body temperature fluctuated between 37 and 38 degrees C. Subsequent Gd-enhanced magnetic resonance (MR) which demonstrated an irregular shaped ring-enhancement lesion and lumbar puncture 9 days after admission was compatible with the diagnosis of brain abscess. Surgical drainage confirmed the presence of brain abscess due to alpha-streptococcus. It improved following surgical drainage and antibiotic therapy with PAPM.BP 2 g/day and PIPC 4 g/day. An afebrile patient of sudden stroke-like onset may be a rarity to be added to the differential diagnosis of brain abscess.

Acute Disease↗

PubMed1985

A study of the relationship between neurological function and serum vitamin E concentrations in patients with cystic fibrosis.

A patient with cystic fibrosis and undetectable serum vitamin E concentrations is described who developed a progressive spinocerebellar syndrome and pigmentary retinopathy with abnormal somatosensory and visual evoked potentials (SSEPs and VEPs). In order to assess the relationship between neurological function and serum vitamin E concentrations in cystic fibrosis, 29 unselected patients who had no neurological symptoms were examined neurologically. Ten were randomly selected for neurophysiological assessment by recording SSEPs and VEPs. Electroretinograms (ERGs) were also performed in five cases. The findings were correlated with serum vitamin E concentrations which were unknown to the neurological investigators prior to completion of the study. Only one patient had definite reflex and sensory abnormalities, and the remaining 28 were clinically normal. The ERG was abnormal in two cases, one of whom had abnormal VEPs. SSEPs were normal in all 10 cases. Twenty six patients had serum vitamin E concentrations below the normal range. In two of the three patients who had definite neurological or electrophysiological abnormalities serum vitamin E concentrations were below the median value for the whole group.

Adult↗

PubMed2002

Clinical aspects of the AIDS dementia complex in relation to histopathological and immunohistochemical variables.

To correlate cerebral histopathological and immunohistochemical changes in the neuroclinical features of the AIDS dementia complex (ADC), autopsy results of 28 ADC patients were related, in a retrospective analysis, to scores on a standardised neurological examination performed at neurologic onset. From a histopathological point of view, the cases were classified as follows: 9 cases of HIV leucoencephalopathy (HIVL; diffuse myelin damage and rare microglial nodules), 7 cases of HIV encephalitis (HIVE; several microglial nodules and no myelin damage) and 12 cases of mixed HIVL and HIVE (HIVL-E). The groups differed significantly with respect to symptoms and CD4 count at neurologic onset, survival and neurological impairment. Immunohistochemically, the interstitial component (p24-positive cells scattered singly within the white matter) was significantly more prevalent in HIVL, and the micronodular component (p24-positive cells confined within microglial nodules) in HIVE. Neurological damage was worse in cases with a high prevalence of interstitial component or a low prevalence of micronodular component. HIVE, HIVL and HIVL-E are distinct clinical forms of ADC. Neurological impairment is related to white matter damage.

AIDS Dementia Complex↗

PubMedDate not supplied

Ocular tilt reaction associated with a sudden idiopathic unilateral peripheral cochleovestibular loss.

We recently observed a female patient who was suffering from acute right peripheral cochleovestibular loss associated with a marked vertical diplopia. Otoneurological examination showed profound deafness, and absence of nystagmic response to caloric and pendular rotatory test in the right ear. Neuroophthalmological examination showed skew deviation with right hypotropia, excyclotorsion, and tilt of the static visual vertical directed to the right side. Immunological and serological examinations were normal. Neurological examination and extensive neuroradiological investigations failed to demonstrate any central nervous system involvement. In this patient, skew deviation and tilt of the static visual vertical were interpreted as signs of an acute unilateral otolithic dysfunction, due to a sudden idiopathic peripheral vestibular loss.

Diplopia↗

PubMed1998

Neurologic factors associated with cognitive impairment in a rural elderly population in India: the Indo-US Cross-National Dementia Epidemiology Study.

Few reports exist of cognitive impairment and associated factors in developing countries. An age-stratified random sample of 388 men and women, 55 years and older, was drawn from a community-based population in the rural area of Ballabgarh in northern India. We classified as "cognitively impaired" those subjects who had scores below the 10th percentile of the population on a general mental status test (the Hindi Mental State Exam, HMSE) and, separately, on a memory test (Delayed Recall of a 10-Item Word List, DRWL). Three hundred seventy-six subjects also underwent a standardized neurologic history and examination. Neurologic factors associated with cognitive impairment, after adjusting for age, gender, and literacy, were history of impaired consciousness and findings of gait disturbance, diminished deep tendon reflexes, and the presence of at least one primitive reflex. We speculate that there may be unique risk factors in developing countries such as nutritional deficiencies leading to focal deficits and cognitive impairment.

Aged↗

PubMed2005

Intoxication from an accidentally ingested lead shot retained in the gastrointestinal tract.

A 45-year-old woman was referred to the Department of Occupational and Environmental Health in January 2002 because of increased blood lead concentrations of unknown origin. She suffered from malaise, fatigue, and diffuse gastrointestinal symptoms. She had a blood lead level of 550 microg/L (normal range < 40 microg/L). The patient had not been occupationally exposed to lead, and no potential lead sources, such as food products or lead-glazed pottery, could be identified. Her food habits were normal, but she did consume game occasionally. Clinical examination, including standard neurologic examination, was normal. No anemia was present. Laboratory tests showed an increased excretion of lead in the urine, but there were no signs of microproteinuria. An abdominal X ray in October 2002 revealed a 6-mm rounded metal object in the colon ascendens. Before the object could be further localized, the patient contracted winter vomiting disease (gastroenteritis) and the metal object was spontaneously released from the colon during a diarrhea attack. The object was a lead shot pellet, possibly but not normally used in Sweden for hunting wild boar or roe deer. Blood lead levels slowly decreased. Nine months later the patient's blood lead levels were almost normal (approximately 70 microg/L) and her symptoms had almost completely disappeared. In this case, a rare source of lead exposure was found. In investigations of blood lead elevations of unknown origin, we recommend abdominal X ray in parallel with repeated blood lead determinations.

Adult↗

PubMed2000

Discrimination between neoplastic and nonneoplastic brain lesions by use of proton MR spectroscopy: the limits of accuracy with a logistic regression model.

BACKGROUND AND PURPOSE: The most accurate method of clinical MR spectroscopy (MRS) interpretation remains an open question. We sought to construct a logistic regression (LR) pattern recognition model for the discrimination of neoplastic from nonneoplastic brain lesions with MR imaging-guided single-voxel proton MRS data. We compared the LR sensitivity, specificity, and receiver operator characteristic (ROC) curve area (Az) with the sensitivity and specificity of blinded and unblinded qualitative MRS interpretations and a choline (Cho)/N-acetylaspartate (NAA) amplitude ratio criterion. METHODS: Consecutive patients with suspected brain neoplasms or recurrent neoplasia referred for MRS were enrolled once final diagnoses were established by histopathologic examination or serial neurologic examinations, laboratory data, and imaging studies. Control spectra from healthy adult volunteers were included. An LR model was constructed with 10 input variables, including seven metabolite resonance amplitudes, unsuppressed brain water content, water line width, and the final diagnosis (neoplasm versus nonneoplasm). The LR model output was the probability of tumor, for which a cutoff value was chosen to obtain comparable sensitivity and specificity. The LR sensitivity and specificity were compared with those of qualitative blinded interpretations from two readers (designated A and B), qualitative unblinded interpretations (in aggregate) from a group of five staff neuroradiologists and a spectroscopist, and a quantitative Cho/NAA amplitude ratio > 1 threshold for tumor. Sensitivities and specificities for each method were compared with McNemar's chi square analysis for binary tests and matched data with a significance level of 5%. ROC analyses were performed where possible, and Az values were compared with Metz's method (CORROC2) with a 5% significance level. RESULTS: Of the 99 cases enrolled, 86 had neoplasms and 13 had nonneoplastic diagnoses. The discrimination of neoplastic from control spectra was trivial with the LR, reflecting high homogeneity among the control spectra. An LR cutoff probability for tumor of 0.8 yielded a specificity of 87%, a comparable sensitivity of 85%, and an area under the ROC curve of 0.96. Sensitivities, specificities, and ROC areas (where available) for the other methods were, on average, 82%, 74%, and 0.82, respectively, for readers A and B, 89% (sensitivity) and 92% (specificity) for the group of unblinded readers, and 79% (sensitivity), 77% (specificity), and 0.84 (Az) for the Cho/NAA > 1 criterion. McNemar's analysis yielded significant differences in sensitivity (n approximately 86 neoplasms) between the LR and reader A, and between the LR and the Cho/NAA > 1 criterion. The differences in specificity between the LR and all other methods were not significant (n approximately 13 nonneoplasms). Metz's analysis revealed a significant difference in Az between the LR and the Cho/NAA ratio criterion.

Adolescent↗

PubMedDate not supplied

Neurologic complications of heart transplantation in children.

Neurologic complications can add significant morbidity to otherwise successful orthotopic heart transplantations in children. Complications have been reported to occur in up to 50% of children undergoing heart transplantation. The purpose of this study was to identify the prevalence and outcome of neurologic complications of heart transplantation in children. We reviewed all children who received orthotopic heart transplantation at Texas Children's Hospital from November 1984 to November 1990. Twenty-two patients (ages, 3 weeks to 17 years; mean, 8.5 years) underwent heart transplantation using cardiopulmonary bypass with moderate hypothermia. For analysis, we compared results during the first 3 years of our experience, 1984 through 1987 (group 1), to 1987 through 1990 (group 2). Survival was 45% (5 of 11 patients) for group 1 and 73% (8 of 11 patients) for group 2. A neurologic complication was defined as a change in the neurologic examination and/or status. Neurologic complications included seizures (6 of 22 patients), strokes (3 of 22 patients), unresponsiveness (3 of 22 patients), and change in mental status (2 of 22 patients). Early (within 2 weeks after operation) neurologic complications occurred in 45% (10 of 22 patients), were persistent (sequelae lasting more than 4 months) in 27% (6 of 22 patients), and resulted in death in 9% (2 of 22 patients). Late (after 2 weeks after operation) neurologic complications occurred in 23% (5 of 22 patients), were persistent in 9% (2 of 22 patients), and have occurred in only two survivors. Neurologic factors were not responsible for the cause of death in group 2. No neurologic complications (early or late) were seen in 1 of 11 patients in group 1 as compared with 7 of 11 patients in group 2 (p < 0.015). Serious neurologic morbidity decreased between the two groups after preoperative cyclosporine was avoided and postoperative hypertension was controlled. All survivors are functioning at age-appropriate levels. Although neurologic complications may be frequent, long-term neurologic disability in survivors is rare.

Adolescent↗

PubMed1992

[Unilateral choreic movements in idiopathic hypoparathyroidism].

We report a patient with idiopathic hypoparathyroidism associated with unilateral calcification of the basal ganglia and contralateral choreic movements. A 66-year-old woman was admitted to our hospital because of involuntary movements of the left limbs. Two years before the present admission, she had operations for bilateral cataracts. Eight months before admission, she had an onset of severe carpal spasms and pain in both arms and legs. These symptoms improved after one month's rest in a hospital. About a month before admission, she noted progressive difficulty in using her left hand, followed by difficulty in walking due to the abnormal involuntary movement of the left lower limb. Two weeks before admission her carpal spasms appeared again, bilaterally. On admission, she was alert. The general physical examination was normal. Neurological examination revealed choreic movements in the left hand, arm, leg and neck, and grimacing of the left face. She also complained of the spasms and pain in her hands, dysarthria and shortness of the breath. Chvostek and Trousseau signs were positive. Laboratory examination revealed marked decrease in serum calcium level (2.57 mEq/ml) and increase in inorganic phosphorus level (6.40 mEq/ml). Serum level of parathyroid hormone was less than 10 pg/ml. Ellthworth-Howard test was positive, in that the infusion of parathyroid hormone (100 u) elicited a marked increment of the urinary excretions of phosphorus and cAMP. X-ray examination of the spine revealed ossification of the posterior longitudinal ligament in the cervical region. CT-scans of the brain revealed calcification in the region of right globus pallidus and putamen.(ABSTRACT TRUNCATED AT 250 WORDS)

Aged↗

PubMed2004

[Preliminary linkage analysis of a Chinese family with benign familial infantile convulsion].

OBJECTIVE: Benign familial infantile convulsions (BFIC) is a recently recognized autosomal dominant inherited disorder. This epileptic syndrome typically begins between 3 and 12 months of age with clusters of partial seizures in most cases and carries a good prognosis. So far, three loci have been linked to chromosome 19q12.1-13.1, chromosome 2q24 and chromosome 16p12-q12. The authors performed linkage analysis on this pedigree. METHODS: A four-generation Chinese family was investigated. The total number of members was 32 in this family and two neurologists in Xiangya Hospital gave systemic physical examinations and interictal neurological examinations to nineteen members of this family. Venous blood samples were taken for genetic analysis. DNA was extracted from peripheral blood leukocytes using phenol-chloroform method. Seventeen microsatellite markers spanning the critical regions on chromosomes 19q12-13.1, 2q24, and 16p12-q12 were genotyped. These markers included D19S49, D19S250, D19S414, D19S416 and D19S245 for the 19q region, D2S2380, D2S399, D2S111, D2S2195, D2S2330 and D2S2345 for the 2q region, D16S401, D16S3131, D16S3093, D16S517, D16S3120 and D16S415 for the 16p-q region. The DNA from each sample was amplified for the 17 markers. After polymerase chain reactions (PCR), PCR products of chromosome 19 with markers D19S49, D19S250, D19S414, D19S416 and D19S245 were subjected to electrophoresis on 8% denatured polyacrylamide gel for at least 2 hours and 20 minutes. Then the length of the PCR products was judged in the Strategene Eagle Eye II automated gel image analyzer. For the markers from chromosome 2 and 16, PCR products were scanned at ABI 377 autosequencer. The data of PCR products were analyzed using the software Genescan v3.1, Genetyper v2.1 (Applied Biosystem, CA. USA) and GenoDB v1.0. After Mendelian checking, the eligible genotyping data were used for linkage analysis. LOD scores were calculated by using MLINK program of LINKAGE v5.1, under an assumption of autosomal dominant inheritance and the estimated penetrance was 0.9. The allele frequencies of each marker were assumed to be equal and the disease-allele frequencies were designated to be 1/10,000. The LOD scores were calculated at combination rate (theta) 0.0, 0.1, 0.2, 0.3, and 0.4. RESULTS: Among the 17 selected microsatellite markers, which cover the previously reported regions, seven markers' data (D16S3131, D16S517, D16S3120, D16S3093, D2S2380, D19S250 and D19S414) were omitted due to failed genotyping, low genetic heterogeneity, or failure to pass Mendelian checking. Omission of these markers was to ensure the reliability of our raw data. The two-point LOD scores were below zero for all the markers and the maximum LOD scores at theta = 0.0 were less than -2 for markers D19S49, D19S416, D19S245, D16S401, D16S415, D2S399, D2S111, D2S2195, D2S2330 and D2S2345. Thus, the linkage result showed no evidence that the disease locus is linked to any of these selected markers, which excludes the previously reported candidate regions found in other ethnic families. CONCLUSION: There is no evidence that this Chinese family was linked to one of the following loci: 19q12.1-13.1, 16p12-q12 and 2q24. The results indicated that BFIC showed genetic heterogeneity and the Chinese BFIC families might be mapped on another new locus.

China↗

PubMedDate not supplied

[Extremely Low Birthweight Infants in Iceland. Health and development.].

OBJECTIVE: Survival of extremely low birthweight infants (BW<1000g) in Iceland has increased in recent years, especially since the availability of surfactant therapy for Respiratory Distress Syndrome of Prematurity. This study was part of a geographically defined national study on survival, health, development and longterm outcome of extremely low birthweight (ELBW) infants in Iceland focusing on health, development and disabilities with reference to a control group. MATERIAL AND METHODS: Information from the National Birth Registry on births in Iceland of ELBW infants weighing 500-999g was collected in two periods 1982-90 and 1991-95, before and after surfactant therapy became available. Information on pregnancy, birth, diseases in the newborn period and later health problems was collected from hospital records. The ELBW infants born in 1991-95 and matched control children were enrolled to a prospective study on longterm health and development. The children undervent medical examinations and developmental testing at 5 years of age in 1996-2001. Comparison was made between the two groups of ELBW infants and between ELBW infants and control children born in 1991-95. RESULTS: In 1982-90 the longterm survival of ELBW infants at 5 years of age was 22% and 52% in 1991-95. In both periods 1982-90 and 1991-95 similar data was found on ELBW infants regarding mothers health, pregnancy, birth and neonatal period. Difference was found in maternal age being significantly higher (p=0.02) and significally more deliveries by cesarian section (p=0.02) in the latter period. The two groups of ELBW infants were similar regarding sex, birthweight and diseases in the newborn period. Comparison between 35 ELBW infants and 55 control children born 1991-95 showed that significantly more mothers of ELBW children smoked during pregnancy (p=0.003) and suffered from various diseases (p=0.001). More ELBW children were born by cesarian section (p=0.001) than control children and their parents reported more longterm health problems regarding astma (p=0.001), convulsions (p=0.001), difficulties in swallowing (p=0.001) and weight gaining (p=0.005). At five years of age significantly more ELBW children born in 1991-95 compared to control children had abnormal general physical examination (p</=0.001), neurological examination (p</=0.001) and motor skills (p</=0.001). Scores on developmental testing were significantly lower (p=0.002). The proportion of ELBW children with disabilities was 16% in 1982-90 and 14% in 1991-95. CONCLUSIONS: The two groups of ELBW infants born in 1982-90 and 1991-95 are similar regarding problems during pregnancy, birth and newborn period. The proportion of children with disabilities is similar in both periods although survival was significantly increased. When compared to matched control children, ELBW children born in 1991-95 suffer significantly more longterm health and developmental problems.

English Abstract↗