Ahn, Bin;Kim, Gi Beom;Lee, Hoan Jong;Choi, Eun Hwa
Pediatric Infection and Vaccine
/
v.27
no.3
/
pp.184-189
/
2020
Lyme disease is a common vector-borne disease caused by Borrelia burgdorferi. Erythema migrans represents the most common manifestation during the early phase of this disease; however, systemic manifestations involving the nervous system, joints, or heart are known to occur. We report a case of Lyme disease accompanied by cardiac complications in a 13-year-old Korean male adolescent. The patient developed annular erythematous lesions on his lower extremities after a field trip during his visit to Connecticut, USA, for a boarding school camp, and his skin lesions were consistent with erythema migrans. Indirect immunofluorescence assay and Western blot analysis for Lyme immunoglobulin M showed positive results. Electrocardiography revealed a first-degree atrioventricular block, and he was diagnosed with Lyme carditis and received a 4-week course of oral doxycycline. Follow-up electrocardiography performed a week later revealed normal findings, and the patient showed an uneventful recovery. Lyme carditis often presents as an asymptomatic heart block that can progress to an advanced heart block; however, this condition is reversible with appropriate antibiotic treatment.
Jo, Kyo Jin;Chang, Chulhun L.;Hwang, Jae-Yeon;Park, Su Eun
Pediatric Infection and Vaccine
/
v.28
no.2
/
pp.118-123
/
2021
Culture tests are very important in choosing the appropriate antibiotics for bacterial infections. In some cases, bacteria that could not be identified in standard culture bottles could be detected using blood culture bottles. A previously healthy 13-year-old boy visited our emergency room. He experienced pain, redness, and hardness of periumbilical skin and a fever for five days. There was no history of abdominal surgery and penetrating trauma. Computed tomography showed abscess with cellulitis at the periumbilical soft tissue with no congenital anomaly. Ultrasonography-guided aspiration was performed, and about 8.5 mL of the purulent abscess was aspirated. The abscess was cultured using blood culture bottle. The pus grew Actinomyces radingae and Clostridium ramosum. When performing the pus culture, using blood culture bottles can be more effective and rapid than the standard culture method for the detection of bacterial pathogens.
Lee, Joon Seok;Lee, Jeeyeon;Park, Ho Yong;Yang, Jung Dug
Journal of Interdisciplinary Genomics
/
v.4
no.1
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pp.1-6
/
2022
Purpose: Mastectomy is performed as a surgical treatment for patients with breast cancer who have the BRCA 1/2 mutation. In this study, we have reported the trends in Korea for both immediate breast reconstruction and prophylactic mastectomy. Methods: This retrospective study was conducted from 2019 to 2021. Both skin-sparing mastectomy and immediate implant-based breast reconstruction with prepectoral and/or subpectoral techniques were performed in five patients with BRCA 1/2 mutations. Data on age; body mass index; cancer stage; BRCA 1/2 mutation; estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 expression; diagnosis; and complications were collected. Results: The average (±standard deviation [SD]) age was 44.0±6.48 years old; BMI 24.5±2.25 kg/m2; and breast volumes were 365.8±70.34 and 382.4±96.33 cc for right and left ones, respectively. The BRCA 1 and 2 were diagnosed in four and one patients, respectively. The estrogen and progesterone receptors and human epidermal growth factor receptor 2 were detected in one (20%), one (20%), and three (60%) patients, respectively. The applied implant-based breast reconstruction techniques for ten breasts were subpectoral technique (n=7, 70%) and prepectoral technique (n=3, 30%). For the cancer stage, those with I, II, and III stages were one (20%), two (40%), and one (20%), respectively. There were no major complications such as Infection, seroma. Conclusion: When mastectomy is performed as surgical treatment in BRCA 1/2 mutation positive breast cancer patients, it is possible to obtain a better outcome with both implant-based breast reconstruction and different circumstances between breast cancer and contralateral breast.
Eun Ju Lee;Heechul Park;Min-A Je;Songhee Jung;Gahee Myoung;Su Bin Jo;Hyun Min Hwang;Ryeong Si;Hyunwoo Jin;Kyung-Eun Lee;Jungho Kim
Biomedical Science Letters
/
v.28
no.4
/
pp.317-321
/
2022
Due to COVID-19 pandemic, wearing face masks is obligatory to prevent respiratory virus transmissions in the community. However, there are few studies of the desirable number of wearing a face mask, and how to store them for reuse. Therefore, in this study, a survey was conducted among 208 healthy adults, and 27 kf-94 masks worn for 1, 2, and 3 days were collected. To estimate the risk of bacterial contamination, we analyzed the extent of bacterial contamination of the BHI medium and 16S rRNA gene sequencing. With an increase in the number of days of using the mask, the degree of bacterial contamination of the used mask gradually increased. As a result of 16S rRNA PCR performed for strain identification, Staphylococcus, known as a pathogenic bacterium, was identified the most. In conclusion, we found that wearing a cotton KF mask provides an optimal environment for microbes, which are related to the skin and respiratory system, to thrive. Therefore, it is also important to reduce the risk of bacterial infection of the face mask with appropriate sterilization methods.
Shin, Young Ran;Park, Kwang Ok;Jeong, Jae Sim;Kim, Kyung Mi
Journal of Korean Clinical Nursing Research
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v.15
no.2
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pp.115-126
/
2009
Purpose: The purpose of this study was to assess the frequency and characteristics of occupational blood and body fluid exposure for operating room personnel during surgical procedures and identify risk factors. Methods: A self-report questionnaire was used to survey 519 operating room personnel who participated in 132 surgeries in an acute care hospital in Seoul between April 12 and 20, 2006. Results: The response rate was 82% (530/646) and analyzed total 519 except for improper 11 questionnaires. Exposure rate was 45.5% (60/132) during operations and 20.4% (106/519) for operating room personnel. By job categories, the exposure rate was as follows; anesthesiologists and nurses 31.2% (44/141), operators and assistants 22.1% (32/145), circulating nurses 12.0% (11/92), scrub nurses 11.4% (14/123). The mucous membrane-eye exposure with a high risk of transmitting infection was 6.6% (7/106) and the most frequent route of exposure was blood and body fluid touching unprotected skin. In multivariate analysis, the risk factors of exposure were services, duration of operation, a patient who had a peripheral arterial catheter line, and job category. Conclusion: Educational programs and appropriate use of personal protective equipment are necessary to prevent operating room personnel from being exposed to blood and body fluid.
JeongA Son;Seungji Hyun;Woo Sik Yu;Joonho Jung;Seokjin Haam
Journal of Chest Surgery
/
v.56
no.2
/
pp.128-135
/
2023
Background: Pneumonia caused by severe acute respiratory syndrome coronavirus 2 can cause acute respiratory distress syndrome, often requiring prolonged mechanical ventilation and eventually tracheostomy. Both procedures occur in isolation units where personal protective equipment is needed. Additionally, the high bleeding risk in patients with extracorporeal membrane oxygenation (ECMO) places a great strain on surgeons. We investigated the clinical characteristics and outcomes of percutaneous dilatational tracheostomy (PDT) in patients with coronavirus disease 2019 (COVID-19) supported by ECMO, and compared the outcomes of patients with and without ECMO. Methods: This retrospective, single-center, observational study included patients with severe COVID-19 who underwent elective PDT (n=29) from April 1, 2020, to October 31, 2021. The patients were divided into ECMO and non-ECMO groups. Data were collected from electronic medical records at Ajou University Hospital in Suwon, Korea. Results: Twenty-nine COVID-19 patients underwent PDT (24 men [82.8%] and 5 women [17.2%]; median age, 61 years; range, 26-87 years; interquartile range, 54-71 years). The mean procedure time was 17±10.07 minutes. No clinically or statistically significant difference in procedure time was noted between the ECMO and non-ECMO groups (16.35±7.34 vs. 18.25±13.32, p=0.661). Overall, 12 patients (41.4%) had minor complications; 10 had mild subdermal bleeding from the skin incision, which was resolved with local gauze packing, and 2 (6.9%) had dislodgement. No healthcare provider infection was reported. Conclusion: Our PDT approach is safe for patients and healthcare providers. With bronchoscopy assistance, PDT can be performed quickly and easily even in isolation units and with acceptable risk, regardless of the hypo-coagulable condition of patients on ECMO.
Aeromonas spp. infections have been reported to cause significant economic losses not only in the ornamental fish industry but also in aquaculture. In December 2022-January 2023, an Aeromonas infection occurred on a goldfish in korea, A gram-negative bacterium was isolated from the skin and internal organs of infected goldfish (Carassius auratus). The results showed that the isolate was identified as Aeromonas veronii using 16S rDNA targeted oilgpnucleotide primers, furthermore characteristics of A. veronii was confirmed by enterotoxin gene, infectious experiment, antibiotic resistance. In-vivo pathogenicity of isolates to goldfsh resulted in 100% mortality in challenged host within one week of post experiment injection. As a result of PCR analysis targeting three enterotoxin-encoding genes, cytotoxic enterotoxin (act) was identified in A. veronii isolate in this study. Antimicrobial susceptibility pattern of isolate showed it was to susceptible to most antimicrobial agents tested but resistant to ampicillin, imipenem, meropenem and clindamycin.
Kim, Sang Hee;Kim, Jong Hyun;Oh, Jin Hee;Hur, Jae Kyun;Kang, Jin Han;Koh, Dae Kyun
Pediatric Infection and Vaccine
/
v.9
no.1
/
pp.61-66
/
2002
Purpose : To determine wether varicella can be prevented by administration of oral acyclovir(ACV) during the incubation period of the disease. Methods : Starting 9 days after exposure to the index case in their families, ACV(40 mg/kg/day in four divided doses) was given orally to 20 exposed children for 5 days. Their clinical features was compared with those of 20 control subjects. Antibody titers to VZV were measured in both group 1 week and 4 weeks after finishing the oral ACV administration. Results : The mean age of family members with varicella(51.4 months) were significantly high compared to that of ACV prophylaxis group(28.5 months) and control group(31 months) (P<0.05). Among the 12 children with ACV prophylaxis who completed follow up blood sampling, nine children were diagnosed as VZV infection on the serologic test(75%). Among them six children showed positive VZV IgM on the first blood sample and two children showed serocoversion to positive IgM on the second test after ACV prophylaxis. One child who was negative on both IgM and IgG, showed positive IgG on the second test. The incidence of fever and severity of skin rashes were significantly low in children received oral ACV than in the control group. No or reduced number of maculopapular eruption were observed in the oral ACV group compared to multiple vesicles of the control group. Conclusion : In the present study, we observed that oral ACV prophylaxis to the family contacts is effective in reducing severity of skin lesion. It is likely that oral ACV 9 days after contact prevents or reduces blood dissemination of VZV. Little is known about clinical effect and immunity to the virus in exposed children with no varicella symptom after treatment. We propose the checking up antibody to VZV some period after oral ACV, and considering vaccination to whom with no antibody. But further more studies are needed to practical application of oral ACV for the postexposure prophylaxis of varicella.
Purpose : Ocular adnexal and orbital infections are broadly divided into preseptal(periorbital) and postseptal(orbital) cellulitis by orbital septum. In this study, we investigated the difference between periorbital and orbital cellulitis regarding their pathogenesis, clinical manifestations, treatments, and prognosis. Methods : We reviewed medical records of 50 cases who were hospitalized in the Severance hospital due to orbital cellulitis from May 1995 to April 2004. Results : There were 32 males and 18 females. The mean age was $3.2{\pm}3.5$ year. According to the result of orbital computerized tomography, 36 cases were periorbital cellulitis, 10 cases orbital cellulitis and 4 cases not diagnosed. The clinical manifestations of periorbital cellulitis are periorbital swelling(100%), fever(19%), orbital pain(6%), and chemosis(22%). On the other hand, those of orbital cellulitis are periorbital swelling(100%), fever(80%), orbital pain(60%), proptosis(20%), chemosis(70%) and limitation of eye movement(20%). The etiologies of periorbital cellulitis are sinusitis(14%), upper respiratory infection(8%), conjunctivitis (19%), skin wound(14%) and unknown(44%). The etiologies of orbital cellulitis are sinusitis (50%), upper respiratory infection(20%), and unknown(30%). The first line antibiotics used in the majority of cases were combinations of cefoxitin+aminoglycoside. 5 patients with orbital cellulitis taking cefoxitin+aminoglycoside had to change the medication into vancomycin or clindamycin. 3 patients with orbital cellulitis underwent operation while 1 patient developed bacterial meningitis. Conclusion : According to invasion of orbit, ocular adnexal and orbital infections are quite different in their pathogenesis, treatment and prognosis. As atypical cases may confound the diagnosis, prompt orbital computerized tomography is required for an accurate diagnosis.
Park, Jin A;Park, Joo Young;Park, Ji Min;Park, Seat Byoul;Kim, Heung Sik;Jeon, Dong Seok
Clinical and Experimental Pediatrics
/
v.45
no.8
/
pp.1007-1015
/
2002
Purpose : The aim of this study is to find a method to diagnose and treat children who showed benign hemophagocytic histiocytes in bone marrow examination. Methods : We analyzed the clinical data of thirty patients retrospectively who showed benign hemophagocytic histiocytes in bone marrow examination from January 1995 to November 2001 at Keimyung University Dong-san Hospital. Bone marrow histiocytes were classified into a few, some, and many according to the number of histiocytes comparing with the white cells. Results : The age of thirty patients ranged from two months to 15 years. The median age was 5.6 years with male predominance(2.3 : 1). The most frequent clinical manifestation was fever; others were respiratory symptom, hepatosplenomegaly, lymphadenopathy and skin rash(in order of frequency). Common laboratory findings were leukopenia, thrombocytopenia, anemia and abnormal liver function test. Infection was present in 30 patients; causative organisms were documented in 15 patients, and bacterial infection was more common. Epstein Barr virus was the cause of infection in four patients. Bone marrow examination showed a few(20.0%), some(75.0%) and many(30.0%) hemophagocytic histiocytes. Combination immunochemotherapy including immunoglobulin, steroids and cyclosporine were helpful in 22 out of 30 patients. The mortality rate was high in young patients who showed some to many hemophagocytic histiocytes. Conclusion : Bone marrow examinations and early detection of histiocytes will be helpful in children who have fever, hepatosplenomegaly and abnormal liver function test. Immunochemotherapy were helpful and further investigation will be needed for the detection of the relationship between the bone marrow findings and prognosis.
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