There has been a growing interest in sleep problems associated with attention deficit hyperactivity disorder (ADHD). In this paper, we reviewed the current literature on the underlying sleep problems associated with ADHD. Sleep problems are very common in children with ADHD. Patients with ADHD may have sleep difficulties including difficulty falling asleep, frequent night awakening, increased tiredness upon waking. Children with ADHD are associated to restless legs syndrome, periodic limb movement and sleep-disordered breathing. Screening for other psychiatric comorbidities and the side effects of medications, such as psychostimulants, is also necessary when considering sleep problems in ADHD. Sleep problems can cause a negative impact on the quality of life and emotional well-being both of children with ADHD and their parents. Many evidences suggest that assessment of sleep difficulties should be included in evaluating the patient of ADHD.
Attention Deficit Disorder with Hyperactivity ; Child ; Comorbidity ; Extremities ; Humans ; Mass Screening ; Parents ; Quality of Life ; Restless Legs Syndrome ; Sleep Apnea Syndromes

No Abstract available.
Infant, Newborn ; Infection Control* ; Intensive Care Units, Neonatal* ; Intensive Care, Neonatal*

PURPOSE: Fever plays an important role in causing disturbances in fluid and electrolyte balance. Hyponatremia has been thought to enhance the susceptibility to febrile convulsions in childhood and to increase a risk of repeat convulsion during same febrile illness. I therefore carried out a study in attempt to investigate how high the serum sodium level is in children with febrile convulsions, and whether there is an association between the recurrence of febrile convulsions and hyponatremia METHODS: Blood samples for serum sodium measurement were taken from 136 children visited to the Seoul Red Cross Hospital due to an acute febrile convulsion during the period between 1994 and 1996(patient group). I also checked serum sodium in a group of age-matched controls(control group I: no fever, no convulsion, control group II: fever only, control group In non-febrile convulsions). The patient group was divided into two groups, recurrent and non-recurrent groups. The results were analyzed by Student's t-test. RESULTS: The mean serum sodium level(134.99+/-3.59mmol/L) was significantly lower as compared to all control groups(control group I : 137.92+/-2.19mmol/L, control group II : 137.49+/-2.94mmo1/L, control group III : 137.73+/-2.52mmo1/L, p<0.001). The mean serum sodium levels were not different between each other control groups(p>0.05). Thirty-two of the 136 children(23.5%) with a febrile convulsion developed a repeat convulsion. The mean serum sodium level in the group with repeat convulsions(133.00 +/-3.21mmo1/L) was significantly lower than the mean in the group without repeat convulsions(135.85+/-3.28 mmol/L) The risk of a repeat convulsion approaches 60% In cases with serum sodium levels of 130 mmol/L and gradually decreases to less than 10% in cases with serum sodium levels of 140mmo1/L. CONCLUSION: Hyponatremia may increase the susceptibility to the febrile convulsions. The lower the serum sodium level, the higher the probability of a repeat convulsion This may be of practical value in deciding whether to admit the child and in advising parents or carers of the risk of a repeat convulsion.
Caregivers ; Child ; Fever ; Humans ; Hyponatremia ; Parents ; Recurrence* ; Red Cross ; Seizures ; Seizures, Febrile* ; Seoul ; Sodium* ; Water-Electrolyte Balance

No abstract available.

Statement of Problem. Objective and quantitative measurement of implant stability is very important from implant installation to long-lasting maintenance period thereafter. Purpose of study. This study was to evaluate and compare two ISQ and PTVs on the implant stability measurements according to the increased effective implant length. Materials and Methods. Twenty self-tapping fixtures were installed in the bovine scapula and in 10 of those for group I, ISQ and PTVs were obtained in the vertical/horizontal directions according to the increased effective implant length using OsstellTM and Periotest? After stability measurement, removal torques were measured between the after installation and after thread exposure group. Results. ISQ and PTVs showed decreased and increased values according to the increased abutment length. Apart from PTVs, ISQ values were shown higher in horizontal direction to the long axis of bone in both the after installation and the after thread exposure groups. Removal torque values were shown higher in after installation group. Conclusion. From the results of this study, implant stability measurement using resonance frequency analysis was more sensitive and discriminative than PTVs measurement.
Axis, Cervical Vertebra ; Scapula ; Torque

BACKGROUND: With the number of cancer survivors increasing, follow-up care to deal with problems related to their original cancer is needed. One of these is screening for a second primary cancer as cancer survivors are one of the high-risk groups for cancer occurrence. The purpose of this study was to assess the screening rates of major cancers in patients with a history of cancer in Korea. METHODS: Our data were from the 4th Korea National Health and Nutrition Examination Survey. We narrowed the data to include 11,169 adults aged 40 and 80 years. Participants were grouped according to their history of cancer and the time since cancer diagnosis into no cancer group (no cancer diagnosis), cancer survivor group (cancer diagnosis > or =5 years ago), and cancer follow-up group (cancer diagnosis <5 years ago). We estimated the screening acceptance rates of major cancers according to the cancer history and assessed the relationships between them. RESULTS: The cancer screening rates of stomach, breast, cervix, and colon were 42.4+/-4.9%, 45.5+/-5.6%, 42.1+/-6.4%, and 24.1+/-3.8% for the cancer survivor group and 45.6+/-5.2%, 61.9+/-6.2%, 48.8+/-7.0%, and 20.8+/-4.3% for the cancer follow-up group. A history of cancer diagnosis was not related to the acceptance rate of stomach and cervical cancer screening. Breast cancer screening (odd ratio [OR], 1.783; 95% confidence interval [CI], 1.044-3.048) increased only in the cancer follow-up group. At 5 years after a cancer diagnosis, only the screening rate for colon cancer (OR, 1.701; 95% CI, 1.119-2.588) persistently increased compared to individuals without a history of cancer. CONCLUSIONS: The screening for breast cancer was the only screening examination whose rate increased in the cancer follow-up group, with the significance disappearing in the cancer survivor group. Our results demonstrate that the screening rate for secondary cancers is below optimal in cancer patients in Korea.
Adult* ; Breast ; Breast Neoplasms ; Cervix Uteri ; Colon ; Colonic Neoplasms ; Diagnosis* ; Early Detection of Cancer ; Female ; Follow-Up Studies ; Humans ; Korea* ; Mass Screening* ; Neoplasms, Second Primary ; Nutrition Surveys ; Stomach ; Survivors ; Uterine Cervical Neoplasms

This study is to determine the biomechanical characteristics of Korean adults. Male 32 and female 28 were participated for the measurement which was performed by immersion method and reaction board method. Body segments were head with neck, trunk, upper arm, forearm, hand, thigh, leg and foot. Their volumes were measures by immersion method. Their weight were determined by using Dempster (1955), Drills and Contini (1969) density data. Each COM (center of mass) of body segment weight were determined by specific posture on the reaction board. The postures were asked to the subject total arm-lifted posture, forearm-lifted posture, total leg-lifted posture, leg-lifted posture. According to each posture, the COM of each segment were calculated. Also, center positions of mass according to posture change were estimated. The results were compared with cadaver data from Dempster (1955), Cluaser (1969), Matsui (1958) which are applied very often and also bio data from Lim (1994) and Jung (1993) on Korean adults.
Adult* ; Arm ; Cadaver ; Female ; Foot ; Forearm ; Hand ; Head ; Humans ; Immersion ; Leg ; Male ; Methods ; Neck ; Posture ; Thigh

To elucidate the clinical characteristics-especially its clinical pattern and outcome-of children with encephalopathy, we carried out a retrospective review on medical records of 45 patients who were initially diagnosed as encephalopathy except mumps meningitis, Reye's syndome and neonatal hypoxic ischemic encephalopathy at the Department of pediatrics, Hanyang University children's hospital from Jaunary 1986 to February 1994. The results were summarized as follows: 1) Twenty five were male and twenty were female with male to female ratio 1.3:l. 2) There were no association with death rate and conscious level, abnormal liver function test, and sugar level in CSF on admission. 3) Death rate (33.3%) of group with seizure was higher than that (13.3%) of group without seizure on admission, but there was no statistical significance (p=0.28). 4) Death rate (7.5%) of group (l) which initial therapy started before 12hours was lower than that (43.4%) of group (ll) which initial therapy started after 12hours, but there was no statistical significance (p=0.09). However complete recovery rate (66.7%) of the former group was higher than that (26.7%) of the latter group with statistical significance (p<0.05). Therefore, early diagnosis and treatment before 12hours was essential to recovery and good prognosis in childern with acute encephalopathy.
Child* ; Early Diagnosis ; Female ; Humans ; Hypoxia-Ischemia, Brain ; Liver Function Tests ; Male ; Medical Records ; Meningitis ; Mortality ; Mumps ; Pediatrics ; Prognosis ; Retrospective Studies ; Seizures