• Animal Bioscience
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• 제36권1호
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• pp.43-52
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• 2023

Objective: This study aimed to examine the influence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection on pregnancy in cytokeratin-18 (K18)-hACE2 transgenic mice. Methods: To determine the expression of hACE2 mRNA in the female reproductive tract of K18-hACE2 mice, real-time polymerase chain reaction (RT-PCR) was performed using the ovary, oviduct, uterus, umbilical cord, and placenta. SARS-CoV-2 was inoculated intranasally (30 μL/mouse, 1×10⁴ TCID₅₀/mL) to plug-checked K18-hACE2 homozygous female mice at the pre-and post-implantation stages at 2.5 days post-coitum (dpc) and 15.5 dpc, respectively. The number of implantation sites was checked at 7.5 dpc, and the number of normally born pups was investigated at 20.5 dpc. Pregnancy outcomes, including implantation and childbirth, were confirmed by comparison with the non-infected group. Tissues of infected mice were collected at 7.5 dpc and 19.5 dpc to confirm the SARS-CoV-2 infection. The infection was identified by performing RT-PCR on the infected tissues and comparing them to the non-infected tissues. Results: hACE2 mRNA expression was confirmed in the female reproductive tract of the K18-hACE2 mice. Compared to the non-infected group, no significant difference in the number of implantation sites or normally born pups was found in the infected group. SARS-CoV-2 infection was detected in the lungs but not in the female reproductive system of infected K18-hACE2 mice. Conclusion: In K18-hACE2 mice, intranasal infection with SARS-CoV-2 did not induce implantation failure, preterm labor, or miscarriage. Although the viral infection was not detected in the uterus, placenta, or fetus, the infection of the lungs could induce problems in the reproductive system. However, lung infections were not related to pregnancy outcomes.

• Tuberculosis and Respiratory Diseases
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• 제39권2호
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• pp.194-198
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• 1992

Mycoplasma pneumoniae produces illness in man ranging from mild upper respiratory tract infection to severe bronchitis and pneumonia. We experienced a case of mycoplasma pneumonia complicated with acute respiratory failure, cold agglutinin hemolytic anemia, pleural effusion, Raynaud's phenominon and hepatitis in 27-year-old female. She was diagnosed as having mycoplasma pneumonia by detecting mycoplasma antibody and cold agglutinin test and treated effectively with erythromycin.

• Child Health Nursing Research
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• 제8권3호
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• pp.281-290
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• 2002

This study was performed to compare the educational needs of the families of the hospitalized children with respiratory problems and the degree of nurses' educational performances perceived by the families. The subjects consisted of 120 families with respiratory infected children in one university- affiliated hospital in Daegu. Data were collected through self-report questionnaires which were developed to investigate the educational needs of the families of the hospitalized children with respiratory problems and nurses' educational performances perceived by the families. The data were analyzed by an SPSS program. The results were as follows: 1. Among the educational needs of the families, the item of the diagnostic test was ranked as the highest one. Among the degree of nurses' educational performances perceived by the families, the item of the diagnosis was ranked as the highest one. 2. The educational needs of the families were very high, but the degree of nurses' educational performances perceived by families was relatively low. 3. The educational needs of the families were not influenced by the general characteristics of the subjects. These results suggest that the educational needs of the families was different to the degree of nurses' educational performances perceived by the families of the hospitalized children with respiratory problems. Therefore the nursing education program should be based on the educational needs of the families.

• Journal of Chest Surgery
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• 제19권2호
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• pp.341-346
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• 1986

Crytococcosis is a subacute or chronic, very rare in incidence and very often fatal infection caused by Cryptococcus Neoformans. The organism is of world-wide distribution, affecting both sexes and all ages. The most common portals of entry appear to be respiratory tract. Recently we experienced one case of isolated Cryptococcal Granuloma on the right lower lobe. The patient was 63 year old housewife, who complained only of epigastric pain. On baseline studies of chest X-ray, we incidentally found the abnormal finding of mass density on right lower lobe.

• Journal of Chest Surgery
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• 제9권2호
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• pp.143-147
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• 1976

A case of congenital funnel chest which was observed in 6 year old male was reported. The patient represented clinical status of depression of lower sternum, recurrent upper respiratory tract infection, and slight exertional dyspnea. The treatment was carried out by "turnover" method, and it was easy to do viable on sternum, costal cartilage, and intercostal muscles. And it is fit to reimplantation by free autograft when repair was indicated. The plane of the manubrium, an acute hump on the sternum, and asymmetry constitute limiting factors in the cosmetic results.

• Journal of Chest Surgery
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• 제16권2호
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• pp.226-230
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• 1983

Two patients with funnel chest deformity were corrected at the Department of Thoracic Surgery of Chungnam National University Hospital . The first case was 11 year old boy, suffering from exertional dyspnea with asymmetrical funnel chest deformity, of which hollow cavity was measured 80 ml of water. The second case was 6 year old boy, suffering from frequent upper respiratory tract infection with symmetrical funnel chest deformity, of which hollow cavity was measured 50 ml of water. These two cases were corrected by Ravitch method, left lower lobectomy was performed concurrently on the first case. The result was satisfactory.

• Journal of Chest Surgery
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• 제28권7호
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• pp.721-725
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• 1995

One case of surgical correction of a large aortopulmonary window in a 4 months old female is reported in detail. Clinical symptoms consisted of fatigue when feeding and recurrent upper respiratory tract infection. Under cardiopulmonary bypass with moderate hypothermia and cardioplegic arrest of the heart, the aortopulmonary window was approached through a vertical incision at the anterior wall of window itself. The defect was closed with pericardial patch using continuous suture posteriorly and sandwitch technique anteriorly. The patient was weaned from the cardiopulmoanry bypas without hemodynamic problem and postoperative course was uneventful. This surgical technique is recommandable as it provides good exposure of the defect and can be performed easily and safely.

• Clinical and Experimental Pediatrics
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• 제49권4호
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• pp.401-409
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• 2006

목 적 : 호흡기 감염증의 주된 원인 중 하나인 hMPV가 2001년 van den Hoogen 등에 의해 네덜란드에서 처음으로 발견된 후 여러 나라에서 보고되었지만, 국내에서 hMPV의 검출에 대한 보고는 대단히 드물다. 따라서 저자들은 우리나라에서 hMPV의 역학을 연구하고자 하였다. 방 법 : 2004년 10월부터 2005년 5월까지 순천향대학교 천안 병원 소아과에 급성 하기도염으로 입원한 218명의 비인두 흡인액을 추출한 뒤 RT-PCR을 시행하고, hMPV가 검출된 환아들의 비인두 흡인물에서 nucleotide의 sequencing을 하여 네덜란드에서 보고된 예와 비교하고, phylogenetic analysis를 하여 검출된 hMPV들간에 유사성을 검토하며, 배양검사로 hMPV의 검출됨을 재확인한 뒤, hPMV가 검출된 15명의 의무기록지를 토대로 이들의 임상 양상을 조사하였다. 결 과 : 218명 중 15명의 비인두 흡인물에서 RT-PCR로 hMPV를 검출할 수 있었다(검출률 6.9%). hMPV가 검출된 15명의 비인두 흡인물 중 11명의 것으로 hMPV의 Fushion protein의 F gene에 대한 nucleotide sequencing을 하여 네덜란드의 것과 유사한 sequence임을 확인할 수 있었다. Phylogenetic analysis를 하여 본 연구에서 검출된 11개의 F gene이 두 개의 군으로 나뉘는 것을 알 수 있었다. hMPV 감염 환아의 평균연령은 2세 8개월(5개월-12세 2개월)이었고, 남녀비는 1.5 : 1이었고, 이들의 진단명은 폐렴(60.0%)이었고 모세기관지염(33.3%), 후두염(6.6%) 순으로 나타났다. 3월과 4월에만 집중적으로 검출되었고, 동시감염은 단 한 례에서 있었다. hMPV 감염 환아에서 기침이 100.0%, 콧물이 86.6%, 발열 80.0%, 호흡곤란 26.6%, 구토가 13.3%, 인후통와 설사와 두통이 각각 6.6%에서 나타났고, 발열 지속기간은 평균 4.9일(1-8일)이었으며, 입원기간은 평균 6.2일(3-14일)이었다. 신체 진찰상 나음이 80.0%에서, 호기성 천명음이 33.3%에서 청진되었고, 흉부 방사선 검사에서 33.3%에서 폐침윤이 관찰되었다. 검사실 소견상 말초혈액에서 중성구 감소증과 림프구 감소증이 각각 6.6%, 13.3%에서 나타났고, C 반응단백은 평균 19.3 mg/L(3.1-103)이었다. 결 론 : 두 개의 군에 해당되는 hMPV가 우리나라 소아에서도 동시에 유행함을 확인하였다. 연구가 기간이 짧았고, 천안 지역에 국한되었던 제한점이 있으나, hMPV 감염에 의한 급성 하기도염 환아들의 임상양상을 알아 볼 수 있었다. 우리나라에서 hMPV 감염의 정확한 역학 조사와 치료 및 예방대책을 수립하기 위해 많은 연구가 요구된다.

• Pediatric Infection and Vaccine
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• 제5권2호
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• pp.308-312
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• 1998

Mycoplasma pneumoniae infection is usually confined to the respiratory tract but it can cause a variety of extrapulmonary manifestations such as rashes, myalgia, hemolytic anemia, cerebral infarction, transverse myelitis, cerebellar ataxia, Guillain-Barre syndrome and meningoencephalitis. Neurologic complications of Mycoplasma pneumonia have been rarely reported until now. Cerebral infarction as a complication of mycoplasma infection in children has been very rarely reported. In our case, in a young girl with M. pneumoniae infection, a cerebral infarct resulted in persistent and significant neurological dysfunction. We report a 11-year-old girl with cerebral infarction associated with clinical and serologic evidence of Mycoplasma infection.

• Clinical and Experimental Pediatrics
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• 제50권7호
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• pp.698-701
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• 2007

Cryseobacterium meningosepticum은 흙, 병원, 수돗물을 포함한 물이 있는 환경에서 발견되는 그람 음성 막대균으로, 미숙아, 노인과 같이 면역성이 결여된 인체에 기회감염을 일으키고, 미숙아에서는 패혈증, 뇌수막염과 같은 중증 질환을 유발하여 사망률과 합병증 발생이 높다. 특히, 균주가 병원내 배수관, 기계장비등을 통해 오염되어 신생아실에서 폭발적 유행이 가능하다. 저자들은 미숙아에서 발생한 다항생제 내성 C. meningosepticum에 의한 패혈증, 뇌수막염을 ciprofloxacin으로 치료한 1례와 동기간에 무증상 보균상태를 보였던 1례와 성공적인 환경검사와 조절에 대해서 보고하는 바이다.