Journal of the korean academy of Pediatric Dentistry
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v.45
no.2
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pp.257-264
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2018
Osteopetrosis is characterized by impaired osteoclast function and increased bone density. Infantile osteopetrosis is a severe form of the disease and has characteristics such as diffusely sclerotic skeleton, pancytopenia, cranial nerve entrapment, infection susceptibility, and abnormal craniofacial appearance. Patients with infantile osteopetrosis often experience developmental delay, and may have a short life span. A 14-month-old girl with osteopetrosis presented to the department of pediatric dentistry. Incipient caries on deciduous incisors were observed. The patient revisited 4 years of age. Besides medical problems, oral complications such as growth retardation, narrow upper arch, crowding, dental caries, and abnormal tooth development were observed. After consultation with her pediatrician, dental treatments were performed on the deciduous molars under sedation after a prophylactic antibiotic injection. At a periodic follow-up, multiple deciduous teeth were treated and extracted, and oralrehabilitation with a removable partial denture was initiated. Patient with osteopetrosis are highly susceptible to infection because of their compromised immune system and problems associated with wound healing that lead to osteomyelitis or sepsis development. Active participation in dental care for sugar intake management and proper oral hygiene are obligatory.
To investigate the effects of salt contents in diet and water on the growth of broiler chicks, 288 heads of Hubbards strain chicks, were fed with com-soybean meal diets containing 0, 0.25, 0.5, 0.75 1.0, 2.0, 3.0, or 4.0% salt from 1d to l4d posthatching. And 180 chicks were also supplemented with salt to their water at 0, 0.1, 0.2, 0.5 or 1.0%. Feed intake and weight gain tended to decrease as the salt levels in diets increased and those were the lowest in 4% group as 481 g and 168 g, however, mortality was the highest in 4% group as 75.0%. As for the salt levels in water, feed intake and weight gain were low as 427 g and 162 g in 1% group, while mortality was 77.8%. Salt poisoning chicks were shown with thirsty, appetite deficiency, rising impossibility, sleepiness, or convulsions, and in autopsy, were shown with ascites, hydropericardium, cardiac hypertrophy, hemorrhage of eyelid, hemorrhage of trachea, hemorrhage of intestine, etc. Conclusively, salt content above 4% in diet or 1% in water could reduce the performance in broiler chicks.
An anastomotic pseudoaneurysm after the aortic replacement surgery is a rare complication which could be lethal when it ruptures. So it should be corrected whenever it is found after the aortic surgery. The authors performed three surgical corrections in 2 cases. The first case is type 8 chronic aortic dissection with abdominal aortic aneurysm. After an abdominal aortic replacement, the patient developed an anastomotic pseudoaneurysm. We treated him with a thoracoabdominal aortic replacement. The second case is ruputred throacoabdominal aortic aneurysm. After a thoracoabdominal aortic replacement, the patient developed an anastomotic pseudoaneurysm in the proximal anastomosis. We treated her with aortic arch replacement. But She developed another pseudoaneurysm in the aortic root anastomotic site. So we performed secondary operation to reinforce the anastomosis. They all recovered from the operations without any complication and are being followed up.
An 8-year-old spayed female domestic shorthair cat was presented with a chief complaint of chronic nasal discharge and dyspnea. Physical examination revealed pyohemorrhagic nasal discharge, inspiratory dyspnea and stertor, and an enlarged right mandibular lymph node. Abnormalities of blood works and serum chemistry included mildly increased hematocrit, and globulin concentration. Serologic tests for FeLV and FIV, and a panel of polymerase chain reaction tests for Chlamydophila felis, Feline Calicivirus, Herpesvirus, Bordetella, Mycoplasma felis, and H1N1 influenza was all negative. Only radiographic finding showed increasing soft tissue density in the right nasal cavity and computed tomography disclosed soft tissue/fluid opacification in the right nasal cavity, paranasal sinus, and pharyinx along with slight deviation to the right of the osseous nasal septum. Focal lysis of ventral nasal septum was also suspected in CT scan. Cytological evaluation of fine needle aspirate smears of the enlarged mandibular lymph nodes revealed numerous fungal yeasts having variably thick capsule both extracellularly and intracellularly with low numbers of macrophages. Some yeasts showed narrow based budding, which was a consistent finding with Cryptococcus organisms. Serum protein electrophoresis was a polyclonal consistent with chronic infection and serum was submitted for a fungal serology panel test. In serologic tests Cryptococcus antigen titer was 1 : 32,768. In vitro culture was unsuccessful. Treatment was initiated with administration of fluconazole, clindamycin, and tocopherol. Clinical signs resolved within 3 days after the initial treatment. The cat was discharged and scheduled for periodic evaluation and continued therapy, but was lost to follow-up thereafter.
Park, Junghun;Jo, Won-Il;Byeon, Dae-Heung;Kang, So Young;Nam, Choong-hyun;Seo, Kyoung-Woo;Park, Jun-Kyu
Applied Chemistry for Engineering
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v.33
no.5
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pp.545-550
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2022
As a result of the rapid entry into an aging society and westernized eating habits, the number of heart disease patients caused by angina pectoris, myocardial infarction, and high blood pressure has increased by more than 100,000 over five years. Heart disease has consistently ranked second in the cause of death in Korea over the past eight years, and medical expenses consumed annually reach 6 trillion won. While various treatments are being proposed for more patients, drug-coated balloon catheters have been developed and gradually commercialized to solve the disadvantages of stent implantation such as restenosis and increased risk of bleeding due to long-term double antiplatelet medication. In Korea, it began to use a drug-coated balloon catheter with the first release of it called "SeQuent PleaseⓇ (Bibrown Korea)" in 2010. Its demand increased gradually as insurance benefits were applied in 2012. Drug-coated balloon angioplasty is increasing in use not only in Korea but also around the world, especially in the Asia-Pacific region, including Japan. Until now, the demand for domestic products is increasing, and if the efficiency in vivo and clinical trials is proven in the future, it is expected to be an effective procedure compared to high-risk stent implantation.
Soong Moon Cho;Ho Kyun Kim;Hye Kyung Lee;Byungmo Lee;Ki Hwan Kim;Kyoung Eun Lee;Jae-Chan Shim;Dae Hyun Hwang;Ghi Jai Lee
Journal of the Korean Society of Radiology
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v.81
no.1
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pp.190-196
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2020
Xanthogranulomatous inflammation is a rare inflammatory reaction, characterized by lipid-laden macrophages, known as xanthomas, in histopathologic examination. Aggressive xanthogranulomatous inflammation often manifests as local infiltration but does not affect distant organs unless combined with rare systemic diseases. We report a case of focal xanthogranulomatous pyelonephritis (XGP) associated with severe xanthogranulomatous cholecystitis. Focal XGP was suspected in radiologic examination that showed a cystic lesion with an infiltrative margin, which were surgically resected and confirmed in pathologic examination. To our knowledge, this is the first report of focal xanthogranulomatous pyelonephritis associated with xanthogranulomatous cholecystitis. Moreover, we found peripheral hypointensity around the cystic lesion in the T2-weighted image, probably reflecting hemorrhage and fibrosis of the xanthogranulomatous inflammation.
An experimental comparative study was done to determine the protective effects of three preservation solutions on isolated rabbit heart-lung bloc during acute ischemia and reperfusion of the lung during lung transplantation. Thirty Isolated rabbit heart-lung blocs were divided into 3 groups , group I(n:9) was preserved with Hartmann's solution, group II(n: 10) with modified University of Wisconsin solution, and group III(n: 1 1) with Kosin solution. The isolated heart-lung blocs were washed with Hartmann's so ution. Aftar infusion of each preservation solution into pulmonary artery, the heart-lung bloc was stored at 4'c cold preservation solution for each group for 4 hours and .then the heart-lung blocs were reventilated and reperfused. The changes of weight of heart-lung blocs, airway pressure, percent change of PCO2, level of lactate and adenosine deaminase(ADA) and microscopic structure of the lung parenchyme were evaluated. Results were as follows 1. A change of weight of the heart lung bloc after reperfusion was lowest in group 111(p< .05) 2. The airway pressure increased after reperfusion in group I but decreased in group II, and II. Especially in group II, post-reperfusion airway pressure returned to level lower than that of en-bloc resection. 3. Pulmonary artery pressure during reperfusion after 4 hour preservation was lowest in group III, and pulmonary artery pressure in group II was higher than in group I(P> 0.1). 4. The level of lactate and ADA in the lung tissue were higher in group III than in group I and II(P< .05) 5. The percent change of PCO2 in perfusate was slightly higher in group III than group I and II. 6. Microscopic changes in lung tissue after reperfusion were diffuse pulmonary edema, expansion of inter- stitial tissue, focal aggregation of erythrocytes, and basement membrane abnormalities, but no differences were found among the three groups. In conclusion, the protective effects of modified University of Wisconsin solution and Kosin solution were slightly superior to Hartmann's solution.
Choi, Chang Won;Hwang, Jong Hee;Shim, Jae Won;Kim, Sung Sin;Ko, Sun Young;Lee, Eun Kyung;Chang, Yun Sil;Park, Won Soon
Clinical and Experimental Pediatrics
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v.46
no.12
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pp.1194-1199
/
2003
Purpose : To determine the change in the limit of viability in fetal infants and the incidence of major complications in neonatal intensive care unit(NICU) at Samsung Medical Center(SMC). Methods : Sevety-three infants weighing less than 800 g at birth and 117 infants born earlier than 27 weeks gestational age, who were admitted to NICU at SMC between November 1994 and December 2002, were enrolled. Their medical records were reviewed with a focus on the survival and major complications, including chronic lung disease, retinopathy of prematurity, intraventricular hemorrhage, and periventricular leukomalacia. The limit of viability in fetal infants was defined as the birth weight or gestational age at which a 50% survival rate is reached and the incidence of major complications were compared by period(period I : Nov. 1994-Dec. 1998, period II : Jan. 1999-Dec. 2002). Results : The limit of viability in fetal infants was markedly lowered from birth weight range of 800-900 g or gestational age range of $26^{+0}-26^{+6}$ weeks in period I to birth weight range of 600-700 g or gestational age range of $24^{+0}-24^{+6}$ weeks in period II. The incidence rates of major complications at the limit of viability were all less than 50% in period II. There was no definite trend toward increased incidence of major complications as birth weight get smaller and gestational age get younger. Conclusion : Our results indicate that at present, fetal infants whose body weight is over 600 g, or whose gestational age is over 24 weeks should be resuscitated vigorously. The risk of major complications at this birth weight or gestational age seems to be not greater than that at a bigger birth weight or an older gestational age.
Purpose : The purpose of this study was to analyze the effect of a Linear accelerator based Photon Knife Radiosurgery System developed by the staff of Keimyung University Dongsan Medical Center for the treatment of cerebral arterlovenous malformation Material and Methods : Between December 1993 and October 2000, 30 patients with cerebral arteriovenous malformation (AVM) were treated with the Linac based Photon knife Radlosurgery System In the Department of Therapeutlc Radiology at Keimyung University Dongsan Medical Center. The median age was 34, ranging from 7 to 63 years, with a 2 : 1 male to female ratio. The locations of the AVM nidi were the frontal lobe (motor cortex), parletal lobe, and the thalamus, In that order. The diameters of the AVM nidi ranged 1.2 to 5.5 cm with a mean on 2.9 cm, and target volumes of between 0.5 and 20.5 cc, with a mean of 5.8 cc. The majority of patients received radiation doses of between 1,500 and 2,500 cGy, w14h a mean of 2,000 cGy, at 80% the isodose line. Twenty-five patients were treated with one isocenter, 4 with two, and 1 with four. The follow-up radiological evaluations were peformed with cranial computed tomogram (CT) or MRI between 6 month and one year interval, and if the AVM nidus had completely disappeared in the CT or MRI, we confirmed thls was a complete obliteration, with a cerebral or magnetic resonance angiogram (MRA). The median iollow-up period was 39 months with a range of 10 to 103 months. Results : Twenty patients were radloiogicaiiy followed up ior over 20 months, with complete obliteration observed in 14 (70%). According to the maximal diameter, all four of the small AVM (<2 cm) completely obliterated, 8 of the 10 patients with a medium AVW (2~3 cm) showed a complete obliteration, and two showed partial obliteration. Among the patients with a large AVM (>3 cm), only one showed complete obliteration, and S showed partial obliteration, but 3 oT these underwent further radiosurgery 3 years later. One who followed up for 20 months fellowing further radiosurgery eventually showed complete obliteration. Ten patients with seizure symptoms had no recurrent seizure due to radiosurgery and medication. One of the eleven patients who suffered intracranlal bleeding developed further bleeding at 9 and 51 months fellowing the radiosurgery although complete obliteration was eventually observed and the patient was managed in hospital then recovered. No patient suffered severe complications fellowing the radiosurgery. Conclusion : The radiosurgery with Linac-based Photon knife radiosurgery system, developed by the staff at our hospital, is a safe and effective treatment for AVM patients having diameters or volumes of less than 3 cm or 10 cm$^{3}$, respectively, located In Inoperable areas or who refused neurosurgery. We suggest that staged AVM radiosurgery may initially be considered, if the AVM target volume is above 10 cm$^{3}$
Gyeong Il Moon;Byung Hyun Baek;Seul Kee Kim;Yun Young Lee;Hyo-Jae Lee;Woong Yoon
Journal of the Korean Society of Radiology
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v.81
no.3
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pp.665-675
/
2020
Purpose This study aimed to identify independent predictors of favorable outcomes associated with emergent carotid artery stenting (CAS) in patients with acute anterior circulation stroke. Materials and Methods This study included 93 patients with acute stroke who underwent emergent CAS to treat stenoocclusive lesions in the cervical internal carotid artery (ICA) within 6 hours of the onset of the associated symptoms. Data were compared between patients with and without favorable outcomes. The independent predictors of a favorable outcome were determined via logistic regression analysis (modified Rankin Scale 0-2 at 90 days). Results Intracranial tandem occlusion was noted in 81.7% of patients (76/93) among which (76/93), 55 of whom underwent intracranial recanalization therapy. Intracranial reperfusion was successful in 74.2% (69/93) and favorable outcomes were noted in 51.6% of patients (48/93). The mortality rate was 6.5% (6/93). In logistic regression analysis, diffusion-weighted imaging-Alberta Stroke Program Early CT Score [odds ratio (OR), 1.487; 95% confidence interval (CI), 1.018-2.173, p = 0.04], successful reperfusion (OR, 5.199; 95% CI, 1.566-17.265, p = 0.007), and parenchymal hemorrhage (OR, 0.042; 95% CI, 0.003-0.522, p = 0.014) were independently associated with a favorable outcome. Conclusion Baseline infarct size, reperfusion status, and parenchymal hemorrhage were independent predictors of favorable outcomes after emergent CAS to treat stenoocclusive lesions in the cervical ICA in patients with acute anterior circulation stroke.
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