• 제목/요약/키워드: Liver Transplantation

검색결과 269건 처리시간 0.03초

Renormalization of Thalamic Sub-Regional Functional Connectivity Contributes to Improvement of Cognitive Function after Liver Transplantation in Cirrhotic Patients with Overt Hepatic Encephalopathy

  • Yue Cheng;Jing-Li Li;Jia-Min Zhou;Gao-Yan Zhang;Wen Shen;Xiao-Dong Zhang
    • Korean Journal of Radiology
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    • 제22권12호
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    • pp.2052-2061
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    • 2021
  • Objective: The role of preoperative overt hepatic encephalopathy (OHE) in the neurophysiological mechanism of cognitive improvement after liver transplantation (LT) remains elusive. This study aimed to explore changes in sub-regional thalamic functional connectivity (FC) after LT and their relationship with neuropsychological improvement using resting-state functional MRI (rs-fMRI) data in cirrhotic patients with and without a history of OHE. Materials and Methods: A total of 51 cirrhotic patients, divided into the OHE group (n = 21) and no-OHE group (n = 30), and 30 healthy controls were enrolled in this prospective study. Each patient underwent rs-fMRI before and 1 month after LT. Using 16 bilateral thalamic subregions as seeds, we conducted a seed-to-voxel FC analysis to compare the thalamic FC alterations before and after LT between the OHE and no-OHE groups, as well as differences in FC between the two groups of cirrhotic patients and the control group. Correction for multiple comparisons was conducted using the false discovery rate (p < 0.05). Results: We found abnormally increased FC between the thalamic sub-region and prefrontal cortex, as well as an abnormally decreased FC between the bilateral thalamus in both OHE and no-OHE cirrhotic patients before LT, which returned to normal levels after LT. Compared with the no-OHE group, the OHE group exhibited more extensive abnormalities prior to LT, and the increased FC between the right thalamic subregions and right inferior parietal lobe was markedly reduced to normal levels after LT. Conclusion: The renormalization of FC in the cortico-thalamic loop might be a neuro-substrate for the recovery of cognitive function after LT in cirrhotic patients. In addition, hyperconnectivity between thalamic subregions and the inferior parietal lobe might be an important feature of OHE. Changes in FC in the thalamus might be used as potential biomarkers for recovery of cognitive function after LT in cirrhotic patients.

소아 간이식에서 Posttansplant Lymphoproliferative Disorder (PTLD): 삼성서울병원의 경험 (Posttransplant Lymphoproliferative Disorder in Pediatric Liver Transplantation: Samsung Medical Center Experience)

  • 최연호;이석구;서정민;조재원;김성주;이광웅;박제훈;고영혜;권기영
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제6권1호
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    • pp.39-46
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    • 2003
  • 목 적: EBV의 초감염과 면역억제의 강도는 소아 간이식에서 PTLD 발생의 주요 위험인자로 알려져 있다. 삼성서울병원에서 6년간 경험한 PTLD 5례의 임상양상을 분석해보고자 한다. 대 상: 1996년부터 2002년 6월까지 41례의 소아간이식 환아를 대상으로 하였는데 이중 7명이 사망하였고, PTLD로 사망한 1명을 포함한 35명을 대상으로 분석하였다. 방 법: 공여자의 EBV 항체가 양성이고 수혜자가 음성일 경우 고위험군으로, 그 외의 경우를 저위험군으로 정의하였다. 위험군 분류, 면역억제제 종류, 간이식이 행하여진 나이, 수술 후 PTLD 진단까지의 기간, 수술 후 EBV 항체의 양전 시기, 거부반응에 대한 치료 여부, PTLD의 증상들인 발열, 설사, 빈혈, 장출혈 식욕부진 저알부민혈증 등의 발현 여부를 후향적으로 조사하였다. 결 과: 1) PTLD는 전체 소아 간이식 환아 41명 중 5명에서 발생하였다(12.2%). 고위험군은 16명으로 이 중 5명(31.3%)에서 PTLD가 발생하였고 저위험군 19명중에서는 한 명도 발생하지 않았다. 2) 사망례를 제외한 4명은 tacrolimus로 면역억제 치료를 받았으며 수술 당시 나이는 평균 10.8개월이었고 수술 후 PTLD 진단까지 평균 9.8개월이 걸렸 다. EBV 양전 시기는 수술 후 평균 6개월이었다. 3) 사망례를 포함한 5명 중 3명에서 PTLD 진단 이전에 간이식 거부반응이 있었고 스테로이드 pulse 치료 등 면역억제를 증가시키는 치료를 행하였었다. 4) 한 명에서 쉰 목소리 증상이 발견되어 조직검사 상 후두 PTLD와 장 PTLD로 진단하였고 나머지 네 명은 모두 혈변이 있었으며 대장 조직검사 상 장 PTLD로 진단하였다. 5) 빈혈과 저알부민 혈증은 모든 환아에서 나타나고 있었고 발열, 설사, 장출혈이 5명 중 4명에서 보였으며 식욕부진은 5명 중 3명에서 나타났다. 결 론: 10%가 넘는 발병률을 보이는 PTLD는 소아 간이식 후 매우 중요한 합병증으로서 특히 EBV의 고위험군에서 31%에 이르는 발병률을 가지고 있는 바 이들에 대하여 EBV 상태와 면역억제 유지에 대한 철저한 대비가 있어야 할 것으로 생각된다. 특히 빈혈, 저알부민혈증, 발열, 설사, 장출혈 등이 동반할 때에는 PTLD를 의심해 볼 수 있다. PTLD의 공통적인 발병양상으로는 첫째, 공여자가 EBV 양성이고 수혜자가 음성이면서, 둘째, EBV가 수술 후 6개월 경 양전되며, 셋째, 1세 전후에 수술을 시행하고 넷째, 간이식 거부반응을 겪으면서 면역억제의 강도가 높아졌을 경우 등이다.

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말기 간질환 환자에서의 호스피스 완화의료 (Hospice and Palliative Care in End Stage Liver Disease)

  • 김문영
    • Journal of Hospice and Palliative Care
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    • 제20권3호
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    • pp.167-172
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    • 2017
  • 말기 간경변은 간이식이 아니면 근본적 회복을 기대하기 어려운 질환으로, 환자와 가족의 장기간의 고통을 수반하기에 호스피스 완화의료적 접근에 대한 고려가 필요하며 이와 관련된 논의와 법규 정비가 이루어지고 있다. 말기 간경변에 따른 여러 증상은 다양한 중증도를 갖기에 그 대상자를 선별함에 주의가 필요하고, 일반적으로 Child-Pugh 분류상 C단계의 비대상성 환자들 중 적극 치료해도 호전되지 않는 간신증후군, 간성 뇌증 및 정맥류 출혈 환자로 한정하고 있다. 간이식이라는 완치적 치료법이 있는 점도 호스피스 완화의료적 접근 전에 충분히 환자 및 가족들과 상의 되어야 한다. 이러한 의학적 상태에 대한 판단은 때론 다변적이고 경계가 모호한 경우가 많아, 장기간의 진료와 평가를 기반으로 하는 것이 바람직하다. 따라서, 말기 간경변 환자에서 호스피스 완화치료 대상자의 선별은 전문 치료와 호스피스 완화치료 사이에 균형을 이루고 최선의 치료가 될 수 있도록, 간질환 전문가를 비롯한 여러 전문가들의 상호 협의와 다학제적 접근을 통해 이루어져야 한다. 본문에서는 호스피스 완화의료적 측면에서 말기 간경변이 갖는 특징과 고려해야 할 사항에 대해서 간략히 검토해 보고자 한다.

Prevalence and Associated Factors of Vertebral Fractures in Children with Chronic Liver Disease with and without Liver Transplantation

  • Wittayathorn Pornsiripratharn;Suporn Treepongkaruna;Phatthawit Tangkittithaworn;Niyata Chitrapaz;Chatmanee Lertudomphonwanit;Songpon Getsuwan;Pornthep Tanpowpong;Pat Mahachoklertwattana
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제27권3호
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    • pp.158-167
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    • 2024
  • Purpose: To evaluate the prevalence of vertebral fracture (VF) in children with chronic liver disease (CLD) with and without liver transplantation (LT) and to determine the associated factors. Methods: A cross-sectional study was conducted. Patients aged 3-21 years with CLD both before and after LT were enrolled in the study. Lateral thoracolumbar spine radiographs were obtained and assessed for VF using Mäkitie's method. Clinical and biochemical data were collected. Results: We enrolled 147 patients (80 females; median age 8.8 years [interquartile range 6.0-11.8]; 110 [74.8%] in the LT group and 37 [25.2%] in the non-LT group). VF was identified in 21 patients (14.3%): 17/110 (15.5%) in the LT group and 4/37 (10.8%) in the non-LT group (p=0.54). Back pain was noted in only three patients with VF. In the univariate analysis, a height z-score below -2.0 (p=0.010), pre-LT hepatopulmonary syndrome (p=0.014), elevated serum direct and total bilirubin levels (p=0.037 and p=0.049, respectively), and vitamin D deficiency at 1-year post-LT (p=0.048) were associated with VF in the LT group. In multivariate analysis, height z-score below -2.0 was the only significant associated factor (odds ratio, 5.94; 95% confidence interval, 1.49-23.76; p=0.012) for VF. All VFs in the non-LT group were reported in males. Conclusion: In children with CLD, VF is common before and after LT. Most patients with VF are asymptomatic. Screening for VF should be considered in patients with a height z-score below -2.0 after LT.

알코올과 간질환 (Alcohol and Liver disease)

  • 박병채
    • 생명과학회지
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    • 제5권3호
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    • pp.145-150
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    • 1995
  • Alcoholic liver disease is defined by the development of three types of liver damage following chronic heavy alcohol consumption, namely, alcoholic fatty liver, alcoholic hepatitis, and alcoholic cirrhosis, The clinical features and laboratory tests often do not distinguish among these types of liver injuries. In addition, a considerable number of the patients who have clinical and laboratory features compatible with alcoholic liver disease are diagnosed on liver biopsy to have chronic viral hepatitis or other lesion. Because of these factors, liver biopsy is frequently needed to arrive a definite diagnosis of the disease, its activity, and its chronicity. Fatty liver is usually a benign and reverible condition that disappears on abstinence from alcohol. However, alcoholic hepatitis is usually regarded as a precursor of cirrhosis. The principle factors in the development of alcoholic hepatitis and cirrhosis are the quantity and length of ingestion of alcohol. women are much more susceptible than men to hepatic injuries. Since only 10 - 20% of alcoholics develop cirrhosis, however, it is conceivable that other factors, either genetic, environmental, or nutritional may contribute in the genesis of liver injuries. The most important factor in the treatment of alcoholic liver disease is prolonzed abstinence from alcohol, since abstinence by itself improves clinical status and survival, Nutritional support in patients with nutritional deficiency, and specific drug therapies such as corticosteroid or anabolic steroids for hospitaliged patients with severe alcoholic hepatitis also play an important role in devreasing morbidity and improving survival. Liver transplantation is a newer treatment modality in the patients with advanced cirrhosis, not responsible to medical treatment.

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간이식 수혜자의 불확실성, 자기효능감 및 사회적 지지와 자가간호 수행 간의 관계 (Relationship between Uncertainty, Self Efficacy, Social Support, and Self-Care Performance in Liver Transplant Recipients)

  • 황가화;이영주
    • 임상간호연구
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    • 제28권2호
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    • pp.89-98
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    • 2022
  • Purpose: This study aimed to determine the correlation between uncertainty, self efficacy, social support, and self-care performance among liver transplant recipients. Methods: Participants comprised 111 liver transplant recipients who visited the outpatient clinic at the hepatobiliary and pancreatic surgery department of a hospital in D city. Data were collected from September to October 2021 using self-report questionnaires, and were analyzed by the SPSS 23.0 program. Results: Self-care performance was correlated with uncertainty (r=-.31, p=.001), self efficacy (r=.22, p=.023), and social support (r=.38, p<.001). Conclusion: To improve self-care performance in liver transplant recipients, it is necessary to develop nursing interventions that can reduce uncertainty and enhance self efficacy and social support.

만성 C형 간염의 신이식 환자에서 페그인터페론 알파와 리바비린 병합치료로 치유한 1예 (Chronic hepatitis C healed by peginterferon-α and rivabirin treatment after kidney transplantation)

  • 석민규;이태희;윤성로;황원민;윤세희;최인수;강성주;홍주영;김대성
    • Journal of Yeungnam Medical Science
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    • 제33권2호
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    • pp.150-154
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    • 2016
  • Hepatitis C virus (HCV) infection is present in a high proportion of patients with kidney transplantation. Compared with uninfected kidney transplant recipients, HCV infected kidney recipient have higher prevalence of liver disease and worse allograft survival after transplantation. Interferon monotherapy before transplantation is standard therapy for HCV-infected kidney transplant candidates. If HCV infection is discovered after transplantation, interferon monotherapy is considered due to the limited critical situation. However, in this patient, who was a kidney recipient, HCV infection was treated after kidney transplantation with peginterferon-${\alpha}$ and rivabirin. As a result, the patient achieved sustained virologic response.

생체 간이식 수술 후 공여자의 합병증 및 중재적 시술의 유용성 (POSTOPERATIVE COMPLICATIONS IN LIVER TRANSPLANTATION DONORS AND USEFULNESS OF INTERVENTIONAL MANAGEMENT)

  • 이임식;이형진;류명선;고기영
    • 대한방사선협회지
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    • 제28권1호
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    • pp.83-89
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    • 2002
  • To evaluate the incidence of postoperative complication,』 following living liver donation and the effectiveness of interventional management for treating postoperative complications. Between January 1997 and December 2001, 386 consecutive healthy honors f

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항응고제 투여중인 다발성 장애환자에서 골수이식전 발치창 출혈부의 전색과 배농술을 통한 출혈과 감염의 조절 : 증례보고 (BLEEDING & INFECTION CONTROL BY THE PACKING AND DRAINAGE ON BLEEDING EXTRACTION SOCKET BEFORE BONE MARROW TRANSPLANTATION IN A MULTIPLE DISABLED PATIENT WITH ANTICOAGULATION DRUG : REPORT OF A CASE)

  • 유재하;손정석;김종배
    • 대한장애인치과학회지
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    • 제8권1호
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    • pp.15-21
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    • 2012
  • Extraction of all nonrestorable teeth prior to bone marrow transplantation is the major dental management of the patient being prepared for the transplantation. But, there are four principal causes for excessive bleeding in the immediate postextraction phase ; (1) Vascular wall alteration (wound infection, scurvy, chemicals, allergy) (2) Disorders of platelet function (3) Thrombocytopenic purpuras (4) Disorders of coagulation (liver disease, anticoagulation drug-heparin, coumarin, aspirin, plavix) If the hemorrhage from postextraction wound is unusually aggressive, the socket must be packed with local hemostatic agent and wound closure & pressure dressing are applied. But, in dental alveoli, local hemostatic agent (gelfoam, surgcel etc) may absorb oral microorganisms and cause alveolar osteitis (infection). This is a case report of bleeding and infection control by suture, pressure packing and iodoform gauze drainage on infected active bleeding extraction socket under sedation and local anesthesia in a 57-years-old multiple disabled patient with anticoagulation drug.

Skin Graft-versus-host Disease Following Autologous Stem Cell Transplantation for Multiple Myeloma

  • Lee, Sung-Eun;Yoon, Jae-Ho;Shin, Seung-Hwan;Park, Gyeongsin;Min, Chang-Ki
    • IMMUNE NETWORK
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    • 제13권3호
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    • pp.107-110
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    • 2013
  • Graft-versus-host disease (GVHD) is a common complication of allogeneic stem cell transplantation (allo-SCT). However, a similar syndrome has been reported in autologous stem cell transplantation (ASCT) as well. The target organs of GVHD in ASCT are the skin, liver and gastrointestinal (GI) tract, which are consistent with those in allo-SCT. Histologic findings from the skin and the mucosa of the GI tract also show similar features. Here we describe a case of autologous GVHD involving the skin of a patient who underwent ASCT for multiple myeloma. In this patient, the response to a total prednisone dose of 0.5 mg/kg/day was unsatisfactory, and the patient required more intensive and prolonged immunosuppressive therapy with slow tapering.