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1.
J Sports Med Phys Fitness ; 63(12): 1337-1342, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37712927

RESUMO

BACKGROUND: Monitoring muscle damage in athletes assists not only coaches to adjust the training workload but also medical staff to prevent injury. Measuring blood myoglobin concentration can help evaluate muscle damage. The novel portable device utilized in this study allows for easy on-site measurement of myoglobin, providing real-time data on the player's muscle damage. This study investigated the relationship between external load (global positioning system parameters) and internal loads (myoglobin concentration and creatine kinase activity) in 15 male professional football players before and after a match. METHODS: Whole blood samples from participants' fingertips were collected before the match (baseline) and at 2, 16, and 40 h after the match. Myoglobin concentrations were measured using the IA-100 compact immunoassay system. Creatine kinase concentrations were measured in a clinical laboratory, and match loads were monitored using a global positioning system device. RESULTS: The mean myoglobin concentration was significantly higher at 2 h than at the other time points (P<0.05), and decreased to baseline levels within 16 h post-match. The mean creatine kinase concentration increased after the match but did not reach a significant level. Muscle damage monitored by myoglobin after football match-play was strongly associated with acceleration/deceleration metrics rather than the sprint/high-speed running distance. CONCLUSIONS: Our findings indicate that myoglobin is a more sensitive marker of muscle damage than creatine kinase after football match-play. Monitoring myoglobin in athletes can aid in determining their recovery status from the previous training load and help practitioners manage the training load.


Assuntos
Desempenho Atlético , Músculos , Mioglobina , Futebol , Humanos , Masculino , Aceleração , Desempenho Atlético/fisiologia , Creatina Quinase , Desaceleração , Sistemas de Informação Geográfica , Músculos/lesões , Mioglobina/sangue , Futebol/fisiologia
2.
Clin J Gastroenterol ; 16(4): 543-549, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37204601

RESUMO

While colorectal cancer is a likely complication associated with inflammatory bowel diseases such as ulcerative colitis, malignant lymphoma occurs less frequently. We report the case of a patient with ulcerative colitis having Epstein-Barr virus-positive diffuse large B-cell lymphoma, not otherwise specified (EBV + DLBCL, NOS), which was maintained in clinical remission with 5-aminosalicylic acid. The patient had received a diagnosis of total ulcerative colitis 5 years ago. A recent colonoscopy revealed a 35 mm protruding lesion with depression in the sigmoid colon, and histopathological examination confirmed the presence of EBV + DLBCL, NOS. The patient has undergone six courses of chemotherapy without recurrence of lymphoma and will continue to be monitored periodically. Patients with ulcerative colitis must be followed up with periodic colonoscopies and imaging studies regardless of their background, treatment, and symptoms to ensure the prevention of complications. Furthermore, while special attention must be paid to the commonly occurring colorectal cancer on account of its association with the patient's prognosis, the possibility of the incidence of malignant lymphoma must not be ignored.


Assuntos
Colite Ulcerativa , Neoplasias Colorretais , Infecções por Vírus Epstein-Barr , Linfoma Difuso de Grandes Células B , Humanos , Herpesvirus Humano 4 , Infecções por Vírus Epstein-Barr/complicações , Colite Ulcerativa/complicações , Colite Ulcerativa/tratamento farmacológico , Linfoma Difuso de Grandes Células B/complicações , Linfoma Difuso de Grandes Células B/tratamento farmacológico , Linfoma Difuso de Grandes Células B/diagnóstico
3.
JGH Open ; 6(12): 886-893, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36514504

RESUMO

Background and Aim: Patients with gastroesophageal reflux disease (GERD) frequently also have functional dyspepsia (FD) symptoms, which impair their quality of life. However, the magnitude and characteristics of the effects of each symptom on daily life have been unclarified. Using multiple regression analysis, we aimed to clarify these questions. Methods: We enrolled 290 patients from 29 institutions across Japan, in this prospective, observational study. Patients responded to three questionnaires (Gastroesophageal Reflux and Dyspepsia Therapeutic Efficacy and Satisfaction Test [GERD-TEST], Hospital Anxiety and Depression Scale [HADS], and 8-item Short-Form Health Survey [SF-8]) before and after 4 weeks of proton pump inhibitor treatment. Pearson correlation and multiple regression analyses were conducted between symptoms such as typical GERD, epigastric pain syndrome (EPS) and postprandial distress syndrome (PDS) of FD, and aspects of daily life, namely, level of satisfaction with the daily life of GERD-TEST, anxiety and depression score of HADS, and physical and mental component summary of SF-8. Results: Pearson correlation analysis showed a significant correlation in all combinations between GERD/FD-EPS/FD-PDS symptoms and the nine aspects of daily life. However, multiple regression analysis results deviated from these results, with the most significant effects seen in the PDS-symptom subscale (SS) on the five aspects of daily life, that is, dissatisfaction with eating, daily life-SS, anxiety, depression, and mental component summary (MCS) whereas the significant effects in GERD-SS on five aspects of daily life, that is, dissatisfaction for eating, anxiety, depression, physical component summary, and MCS, disappeared. Conclusion: Dealing with co-existing FD symptoms without overlooking them may be important in the management of GERD.

4.
Medicine (Baltimore) ; 101(29): e29484, 2022 Jul 22.
Artigo em Inglês | MEDLINE | ID: mdl-35866813

RESUMO

BACKGROUNDS: Centrilobular zonal necrosis (CZN) is described as a histological feature present in a small number of autoimmune hepatitis (CZN-AIH) patients. CZN may be detected in the absence of significant interface hepatitis, which is the most important histological finding of AIH. The clinical and histopathological spectra of CZN-AIH were not homogeneous, and the concept of CZN-AIH as a distinctive subtype of AIH remains controversial, due to the rarity of CZN-AIH and the ambiguous definition of CZN. METHODS: To elucidate the clinical and immunogenetic features of CZN-AIH, a total of 102 biopsy samples of AIH, obtained at The Jikei University Katsushika Medical Center and Jikei University Hospital from 2000 to 2018, were reviewed. The 32 patients whose biopsies showed CZN were selected as the CZN-AIH group, and the remaining 70 were grouped as the non-CZN-AIH controls (control AIH). Data on clinical, histopathologic, and immunogenetic features were statistically compared between the CZN-AIH and the control AIH group. Additionally, the impact of the onset pattern (acute or chronic) and coexistent significant interface hepatitis in CZN-AIH was determined. RESULTS: In CZN-AIH, the frequency of acute-onset cases was significantly higher than that in control AIH (56.2% vs 32.9%; P < .05), and the number of cases with moderate-to-severe interface hepatitis in liver histology was significantly lower (37.5% vs 87.1%; P < .001). Compared to the control AIH, cases of CZN-AIH had lower immunoglobulin G level (P < .001), lower antinuclear antibodies titer (P < .001), and lower AIH score (P < .001). The immunogenetic disproportionate distribution of HLA-DR phenotypes in control AIH (increased HLA-DR4 and decreased HLA-DR9) was not found in CZN-AIH. Moreover, CZN-AIH was less frequently relapsed (P < .05). For the acute-onset CZN-AIH cases, the clinical features were hardly indistinguishable from the chronic CZN-AIH cases. Similarly, the existence of interface hepatitis did not influence on the pathophysiology of CZN-AIH. Moreover, the acute-onset CZN-AIH cases is clinically distinguishable from acute-onset control AIH. CONCLUSION: CZN can characterize as a distinct AIH subtype, regardless of onset-pattern or coexistence of significant interface hepatitis. To further strengthen this hypothesis, collection of more CZN-AIH cases is needed.


Assuntos
Hepatite Autoimune , Estudos de Coortes , Antígenos HLA-DR , Hepatite Autoimune/patologia , Humanos , Necrose
5.
Medicina (Kaunas) ; 57(4)2021 Mar 31.
Artigo em Inglês | MEDLINE | ID: mdl-33807237

RESUMO

Background: Recent advances in endoscopic devices such as small bowel capsule endoscopy and balloon-assisted endoscopy have improved the level of medical care for small bowel bleeding. However, treating small bowel angioectasia remains challenging because repeated intermittent bleeding can occur from the multiple minute lesions (about 1 mm in size) that develop in a synchronous and metachronous manner. Here, we report a case of small bowel angioectasia in which capsule endoscopy performed early in a bleeding episode contributed to treatment. Case Summary: A 66-year-old man with suspected small bowel bleeding underwent small bowel capsule endoscopy and balloon-assisted endoscopy with argon plasma coagulation hemostasis for a small intestinal angioectasia. Because small bowel bleeding recurred intermittently after the treatment, small bowel capsule endoscopy and balloon-assisted endoscopy were repeated when there was no bleeding, but no abnormalities were found. Subsequent small bowel capsule endoscopy during a bleeding episode revealed bloody intestinal fluid in the proximal small intestine. Peroral balloon-assisted endoscopy was performed 2 days after SBCE for detailed observation of the small intestinal mucosa at the suspected bleeding site, and there a 1-mm Dieulafoy's lesion with no active bleeding was identified. We performed argon plasma coagulation, and no bleeding was observed thereafter. Conclusions: Small bowel capsule endoscopy immediately after bleeding onset can identify the bleeding source of multiple minute lesions in small bowel angioectasia.


Assuntos
Endoscopia por Cápsula , Doenças Vasculares , Idoso , Hemorragia Gastrointestinal/etiologia , Hemorragia Gastrointestinal/terapia , Humanos , Mucosa Intestinal , Intestino Delgado/diagnóstico por imagem , Masculino
7.
Intern Med ; 60(13): 2039-2046, 2021 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-33518569

RESUMO

Chronic idiopathic intestinal pseudo-obstruction (CIIP) caused by impaired intestinal peristalsis leads to intestinal obstructive symptoms. A 20-year-old man had marked esophageal dilatation that was found incidentally on chest radiography during a health examination. Chest/abdominal contrast-enhanced computed tomography and endoscopy showed marked esophageal and duodenal dilatation without mechanical obstruction. Upper gastrointestinal series and high-resolution esophageal manometry revealed absent peristalsis in the dilated part. CIIP was suspected in the patient's father, suggesting familial CIIP. The patient likely had signs of pre-onset CIIP. This is the first case of suspected CIIP in which detailed gastrointestinal tract examinations were performed before symptoms appeared.


Assuntos
Acalasia Esofágica , Pseudo-Obstrução Intestinal , Adulto , Duodeno/anormalidades , Acalasia Esofágica/diagnóstico por imagem , Doenças Fetais , Humanos , Masculino , Manometria , Bexiga Urinária/anormalidades , Adulto Jovem
9.
Esophagus ; 18(2): 398-406, 2021 04.
Artigo em Inglês | MEDLINE | ID: mdl-33136239

RESUMO

BACKGROUND: In recent years, the prevalence of proton pump inhibitor (PPI)-refractory gastroesophageal reflux disease (GERD) has been increasing, posing a clinical obstacle to improving the management of GERD patients. The ability of known predictive factors to explain therapeutic response to PPI remains insufficient. Therefore, we examined whether the addition of early therapeutic response to PPI as an explanatory variable may increase the predictive power for PPI-refractory GERD. METHODS: The severity and therapeutic response of GERD symptoms to PPI were evaluated using the GastroEsophageal Reflux and Dyspepsia Therapeutic Efficacy and Satisfaction Test (GERD-TEST) questionnaire at baseline and at 2 and 4 weeks after treatment. The relevance of the therapeutic effect of PPI at 2 weeks compared to that at 4 weeks was examined in 301 patients with GERD. Independent predictive factors for refractory GERD at 4 weeks of PPI therapy were examined in 182 patients. The effect of various clinical factors, including the early response to PPI, was assessed using multiple regression analysis. RESULTS: The number of PPI-therapy responders increased significantly with the duration of treatment (p < 0.0001). The response to PPI therapy at 2 weeks was significantly correlated with that at 4 weeks (p < 0.0001). Multiple regression analysis revealed that the therapeutic response to PPI at 2 weeks was by far the strongest predictor of the therapeutic effect at 4 weeks among all clinical factors. CONCLUSIONS: Medication change for PPI-refractory GERD at 2 weeks may be an efficacious therapeutic strategy to improve patients' quality of life.


Assuntos
Dispepsia , Esofagite Péptica , Refluxo Gastroesofágico , Dispepsia/induzido quimicamente , Dispepsia/tratamento farmacológico , Esofagite Péptica/tratamento farmacológico , Refluxo Gastroesofágico/diagnóstico , Refluxo Gastroesofágico/tratamento farmacológico , Humanos , Inibidores da Bomba de Prótons/uso terapêutico , Qualidade de Vida
10.
Clin J Gastroenterol ; 13(6): 1200-1204, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-32880812

RESUMO

Mesalazine formulations are essential for treating ulcerative colitis (UC), and intolerance to these formulations complicates the treatment of this condition. Some cases of mesalazine formulation intolerance are caused by the excipients rather than the active ingredient mesalazine. Therefore, mesalazine administration can be continued in such cases by changing the mesalazine formulation. This report describes a case of intolerance to mesalazine in which UC was effectively treated by switching mesalazine formulations. A drug-induced lymphocyte stimulation test suggested that allergy to the additive povidone was the cause of mesalazine formulation intolerance. This is the first case study to identify an additive that caused mesalazine formulation intolerance.


Assuntos
Colite Ulcerativa , Hipersensibilidade , Anti-Inflamatórios não Esteroides/efeitos adversos , Colite Ulcerativa/tratamento farmacológico , Excipientes/efeitos adversos , Humanos , Mesalamina/efeitos adversos
11.
Intern Med ; 59(14): 1695-1704, 2020 Jul 15.
Artigo em Inglês | MEDLINE | ID: mdl-32296001

RESUMO

Objective We aimed to investigate the association between the digit symbol test (DST) and clinical characteristics, including the nutritional status of liver cirrhosis patients. Methods Fifty-nine cirrhotic patients without a history of overt hepatic encephalopathy were retrospectively evaluated. We examined neuropsychological abnormalities (NPAs) using the DST. We also estimated the detailed nutritional status using the Food Frequency Questionnaire (FFQ). The patients were divided into two groups according to their DST status: patients with normal DST scores (DST-Nor group, n=45) and those with abnormal DST scores (DST-Abn group, n=14). The clinical and nutritional findings of the two groups were compared. Results Overall, 14 (23.7%) patients had a DST abnormality. There were significant differences between the two groups in serum albumin (Alb; p=0.0043), valine (Val; p=0.0016), leucine (Leu; p=0.0078), isoleucine (Ile; p=0.0022), the molar ratio of total branched-chain amino acids to tyrosine (BTR; p=0.00025), total-bilirubin (T-Bil; p=0.0071), prothrombin time (%) (PT; p=0.028), and serum sodium (Na; p=0.035). A multivariate analysis found the BTR to be the only independent predictor of a DST abnormality (hazard ratio, 9.24; p<0.031). An FFQ analysis, revealed that the nutritional findings of patients with and without a DST abnormality, were similar. Conclusion The BTR was useful for predicting the risk of NPAs, as defined by a DST abnormality. The risk of NPAs may be estimated by monitoring the BTR.


Assuntos
Aminoácidos de Cadeia Ramificada/sangue , Biomarcadores/sangue , Encefalopatia Hepática/sangue , Encefalopatia Hepática/fisiopatologia , Cirrose Hepática/sangue , Cirrose Hepática/fisiopatologia , Tirosina/sangue , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estado Nutricional , Estudos Retrospectivos
12.
Oncology ; 97(3): 135-148, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31216557

RESUMO

BACKGROUND: We have developed a Wilms' tumor 1 (WT1)-targeting dendritic cell (DC)-based cancer vaccine combined with standard chemotherapy for patients with advanced pancreatic ductal adenocarcinoma (PDA). METHODS: We evaluated predictive markers of overall survival (OS) in PDA patients treated with multiple major histocompatibility complex class I/II-restricted, WT1 peptide-pulsed DC vaccinations (DC/WT1-I/II) in combination with chemotherapy. Throughout the entire period of immunochemotherapy, the plasma levels of soluble factors derived from granulocytes of 7 eligible PDA patients were examined. Moreover, systemic inflammatory response markers (neutrophil-to-lymphocyte ratio [NLR], monocyte-to-lymphocyte ratio [MLR], and granulocyte-to-lymphocyte ratio [GLR]) were assessed. In addition, cytoplasmic WT1 expression in PDA cells was examined. RESULTS: Compared to the 4 non-super-responders (OS <1 year), the remaining 3 super-responders (OS ≥1 year) showed significantly decreased low plasma matrix metalloproteinase-9 levels throughout long-term therapy. The NLR, MLR, and GLR after 5 DC/WT1-I/II vaccinations and 3 cycles of gemcitabine were significantly lower in the super-responders than in the non-super-responders. Furthermore, the cytoplasmic WT1 expression in the PDA cells of super-responders was relatively weak compared to that in the PDA cells of non-super-responders. CONCLUSIONS: Prolonged low levels of a granulocyte-related systemic inflammatory response after the early period of therapy and low cytoplasmic WT1 expression in PDA cells may be markers predictive of OS in PDA patients receiving WT1-targeting immunochemotherapy.


Assuntos
Biomarcadores Tumorais , Vacinas Anticâncer/imunologia , Células Dendríticas/imunologia , Imunoterapia , Neoplasias Pancreáticas/imunologia , Neoplasias Pancreáticas/mortalidade , Proteínas WT1/imunologia , Biomarcadores , Vacinas Anticâncer/administração & dosagem , Terapia Combinada , Células Dendríticas/metabolismo , Epitopos/imunologia , Feminino , Humanos , Imunofenotipagem , Masculino , Metaloproteinase 9 da Matriz/metabolismo , Neoplasias Pancreáticas/metabolismo , Neoplasias Pancreáticas/terapia , Peptídeos/imunologia , Peroxidase/metabolismo , Prognóstico , Fator de Crescimento Transformador beta1/metabolismo , Resultado do Tratamento , Vacinação , Proteínas WT1/genética
13.
Inflamm Bowel Dis ; 25(6): 1088-1095, 2019 05 04.
Artigo em Inglês | MEDLINE | ID: mdl-30601999

RESUMO

BACKGROUND: We evaluated whether oral vitamin D supplementation during the winter and early spring reduces the incidence of influenza and upper respiratory infections in patients with inflammatory bowel disease (IBD). METHODS: A randomized, double-blind, controlled trial was conducted to compare the effects of vitamin D supplementation (500 IU/day) and a placebo. The primary outcome was the incidence of influenza; the secondary outcome was the incidence of upper respiratory infection. Prespecified subgroup analyses were performed according to 25-hydroxyvitamin D (25-OHD) levels (low <20 ng/mL or high ≥20 ng/mL) and whether ulcerative colitis (UC) or Crohn's disease (CD) was present. We also used the Lichtiger clinical activity index for patients with UC and the Crohn's Disease Activity Index (CDAI) for patients with CD before and after interventions. RESULTS: We included 223 patients with IBD and randomized them into 2 groups: vitamin D supplementation (n = 108) and placebo (n = 115). The incidence of influenza did not differ between the groups. However, the incidence of upper respiratory infection was significantly lower in the vitamin D group (relative risk [RR], 0.59; 95% confidence interval (CI), 0.35-0.98; P = 0.042). This effect was enhanced in the low 25-OHD level subgroup (RR, 0.36; 95% CI, 0.14-0.90; P = 0.02). With respect to adverse events, the Lichtiger clinical activity index score was significantly worse in the vitamin D group (P = 0.002) and remained significant only in the high 25-OHD level subgroup. CONCLUSIONS: Vitamin D supplementation may have a preventative effect against upper respiratory infection in patients with IBD but may worsen the symptoms of UC.


Assuntos
Suplementos Nutricionais , Doenças Inflamatórias Intestinais/complicações , Vírus da Influenza A/efeitos dos fármacos , Influenza Humana/prevenção & controle , Infecções Respiratórias/prevenção & controle , Deficiência de Vitamina D/fisiopatologia , Vitamina D/administração & dosagem , Adulto , Método Duplo-Cego , Feminino , Seguimentos , Humanos , Incidência , Influenza Humana/epidemiologia , Influenza Humana/virologia , Japão/epidemiologia , Masculino , Pessoa de Meia-Idade , Prognóstico , Infecções Respiratórias/epidemiologia , Infecções Respiratórias/virologia , Estações do Ano , Vitaminas/administração & dosagem
14.
Nihon Shokakibyo Gakkai Zasshi ; 114(11): 1978-1986, 2017.
Artigo em Japonês | MEDLINE | ID: mdl-29109346

RESUMO

Metastasis of uveal melanoma of the digestive tract is rare. We report a case of a patient with metastatic uveal melanoma of the liver and digestive tract. A 68-year-old man was admitted with primary complaint of appetite loss and fatigue. Abdominal computed tomography revealed a 13-cm diameter tumor in the right lobe of the liver. We diagnosed him with metastatic uveal melanoma. We performed a liver tumor biopsy and diagnosed metastatic melanoma;we found distant metastases in the stomach, duodenum, and rectum on endoscopic biopsy. We administered systemic chemotherapy [DACa-Tam therapy (Dacarbazine, 220mg/m2×3 days;Nimustine, 60mg/m2×1 day;Carboplatin area under the curve (AUC) =4×1 day;Tamoxifen, 40mg/day×3 days)]. Prognosis is unfavorable in approximately half of the patients with liver metastases that occur through blood circulation. The patient died of liver failure two months after the diagnosis.


Assuntos
Neoplasias Gastrointestinais/secundário , Neoplasias Hepáticas/secundário , Melanoma/patologia , Neoplasias Uveais/patologia , Idoso , Evolução Fatal , Neoplasias Gastrointestinais/diagnóstico por imagem , Humanos , Neoplasias Hepáticas/diagnóstico por imagem , Masculino
15.
World J Gastroenterol ; 23(13): 2355-2364, 2017 Apr 07.
Artigo em Inglês | MEDLINE | ID: mdl-28428715

RESUMO

AIM: To investigate the influence of interferon-free antivirus therapy on lipid profiles in chronic hepatitis C virus genotype 1b (HCV1b) infection. METHODS: Interferon-free antiviral agents were used to treat 276 patients with chronic HCV1b infection, and changes in serum lipids of those who achieved sustained virologic response (SVR) were examined. The treatment regimen included 24 wk of daclatasvir plus asunaprevir (DCV + ASV) or 12 wk of sofosbuvir plus ledipasvir (SOF + LDV). SVR was achieved in 121 (85.8%) of 141 patients treated with DCV + ASV and 132 (97.8%) of 135 patients treated with SOF + LDV. In the two patient groups (DCV + ASV-SVR and SOF + LDV-SVR), serum total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), and triglycerides were measured at baseline during treatment and at 4 and 12 wk after treatment. Then, longitudinal changes in lipid profiles were analyzed. RESULTS: Serum levels of TC, LDL-C, and HDL-C were significantly increased throughout the observation period in both the DCV + ASV-SVR and SOF + LDV-SVR groups. During antivirus treatment, the increases in TC and LDL-C were significantly greater in the SOF + LDV-SVR group than in the DCV + ASV-SVR group (P < 0.001). At 4 and 12 wk after the therapy, serum levels of TC and LDL-C were similar between the two groups and were significantly greater than those at baseline. Approximately 75%-80% of the increase in TC was derived from an increased LDL-C. In multiple regression analysis, the difference in therapy protocol (DCA + ASV or SOF + LDV) was an independent predictor that was significantly associated with the increase in TC and LDL-C at 4 wk of therapy. CONCLUSION: Serum cholesterol significantly increased during SOF + LDV treatment. After treatment, HCV elimination was associated with a similar increase in cholesterol regardless of the therapy protocol.


Assuntos
Hepatite C Crônica/tratamento farmacológico , Imidazóis/uso terapêutico , Isoquinolinas/uso terapêutico , Metabolismo dos Lipídeos/efeitos dos fármacos , Sulfonamidas/uso terapêutico , Idoso , Idoso de 80 Anos ou mais , Carbamatos , Estudos de Coortes , Quimioterapia Combinada , Feminino , Hepacivirus/genética , Hepatite C Crônica/sangue , Hepatite C Crônica/virologia , Humanos , Imidazóis/farmacologia , Isoquinolinas/farmacologia , Modelos Lineares , Lipídeos/sangue , Masculino , Pessoa de Meia-Idade , Pirrolidinas , Sulfonamidas/farmacologia , Valina/análogos & derivados
16.
Clin Exp Gastroenterol ; 10: 9-18, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28176894

RESUMO

Autoimmune hepatitis (AIH) is a chronic progressive liver disease characterized by high levels of aminotransferases and autoantibodies, hypergammaglobulinemia, and interface hepatitis. AIH affects all races and all ages worldwide, regardless of sex, although a preponderance of females is a constant finding. The etiology of AIH has not been completely elucidated, but immunogenetic background and environmental parameters may contribute to its development. The most important genetic factor is human leukocyte antigens (HLAs), especially HLA-DR, whereas the role of environmental factors is not completely understood. Immunologically, disruption of the immune tolerance to autologous liver antigens may be a trigger of AIH. The diagnosis of classical AIH is fairly easy, though not without pitfalls. In contrast, the diagnosis of atypical AIH poses great challenges. There is confusion as to the definition of the disease entity and its boundaries in the diagnosis of overlap syndrome, drug-induced autoimmune hepatitis, and AIH with concomitant nonalcoholic fatty liver disease (NAFLD) or chronic hepatitis C. Centrilobular zonal necrosis is now included in the histological spectrum of AIH. However, the definition and the significance of AIH presenting with centrilobular zonal necrosis have not been examined extensively. In ~20% of AIH patients who are treated for the first time with standard therapy, remission is not achieved. The development of more effective and better tolerated novel therapies is an urgent need. In this review, we discuss the current challenges and the future prospects in relation to the diagnosis and treatment of AIH, which have been attracting considerable recent attention.

17.
World J Hepatol ; 9(1): 57-63, 2017 Jan 08.
Artigo em Inglês | MEDLINE | ID: mdl-28105259

RESUMO

AIM: To evaluate the therapeutic effects of ursodeoxycholic acid (UDCA) on autoimmune hepatitis (AIH). METHODS: A total 136 patients who were diagnosed with AIH were included in our study. All of the patients underwent a liver biopsy, and had at least a probable diagnosis on the basis of either the revised scoring system or the simplified scores. Initial treatment included UDCA monotherapy (Group U, n = 48) and prednisolone (PSL) monotherapy (Group P, n = 88). Group U was further classified into two subgroups according to the effect of UDCA: Patients who had achieved remission induction with UDCA monotherapy and showed no sign of relapse (Subgroup U1, n = 34) and patients who additionally received PSL during follow-up (Subgroup U2, n = 14). We compared the clinical and histological findings between each groups, and investigated factors contributing to the response to UDCA monotherapy. RESULTS: In Group U, 34 patients (71%) achieved and maintained remission over 49 (range: 8-90) mo (Subgroup U1) and 14 patients (29%) additionally received PSL (Subgroup U2) during follow-up. Two patients in Subgroup U2 achieved remission induction once but additionally required PSL administration because of relapse (15 and 35 mo after the start of treatment). The remaining 12 patients in Subgroup U2 failed to achieve remission induction during follow-up, and PSL was added during 7 (range: 2-18) mo. Compared with Subgroup U2, Subgroup U1 had significantly lower alanine aminotransferase (ALT) levels at onset (124 IU/L vs 262 IU/L, P = 0.023) and a significantly higher proportion of patients with mild inflammation (A1) on histological examination (70.6% vs 35.7%, P = 0.025). When multivariate analysis was performed to identify factors contributing to the response to UDCA monotherapy, only a serum ALT level of 200 IU/L or lower was found to be associated with a significant difference (P = 0.013). CONCLUSION: To prevent adverse events related to corticosteroids, UDCA monotherapy for AIH needs to be considered in patients with a serum ALT level of 200 IU/L or lower.

18.
World J Gastroenterol ; 18(31): 4118-26, 2012 Aug 21.
Artigo em Inglês | MEDLINE | ID: mdl-22919243

RESUMO

AIM: To investigate the hepatoprotective effect of MK615, a Japanese apricot extract, in an animal model, and its clinical therapeutic effect. METHODS: Wistar rats were administered physiological saline (4 mL/kg) or MK615 solution (4 mL/kg) for 7 d. On the sixth d, acute hepatic injury was induced by administering a single intraperitoneal injection (ip) of D-galactosamine hydrochloride (D-GalN) (600 mg/kg). Plasma levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were determined, and liver tissues were used for histopathological analysis. Fifty-eight patients with liver disorders [hepatitis C (n = 40), non-alcoholic fatty liver disease (n = 15), and autoimmune liver disease (n = 3)] were orally administered commercially available Misatol ME-containing MK615 (13 g/d) daily for 12 wk. Blood and urine were sampled immediately before and 6 wk, 12 wk, and 16 wk after the start of intake to measure various biochemical parameters. The percentage change in ALT and AST levels after 12 wk from the pre-intake baseline served as a primary endpoint. RESULTS: D-GalN effectively induced acute hepatic injury in the rats. At 48 h after the ip injection of D-GalN, the plasma levels of ALT (475.6 ± 191.5 IU/L vs 225.3 ± 194.2 IU/L, P < 0.05) and AST (1253.9 ± 223.4 IU/L vs 621.9 ± 478.2 IU/L, P < 0.05) in the MK615 group were significantly lower than the control group. Scattered single cell necrosis, loss of hepatocytes, and extensive inflammatory cell infiltration were observed in hepatic tissue samples collected from the control group. However, these findings were less pronounced in the group receiving MK615. At the end of the clinical study, serum ALT and AST levels were significantly decreased compared with pre-intake baseline levels from 103.5 ± 58.8 IU/L to 71.8 ± 39.3 IU/L (P < 0.05) and from 93.5 ± 55.6 IU/L to 65.5 ± 34.8 IU/L (P < 0.05), respectively. A reduction of ≥ 30% from the pre-study baseline ALT level was observed in 26 (45%) of the 58 patients, while 25 (43%) patients exhibited similar AST level reductions. The chronic hepatitis C group exhibited significant ALT and AST level reductions from 93.4 ± 51.1 IU/L to 64.6 ± 35.1 IU/L (P < 0.05) and from 94.2 ± 55.5 IU/L to 67.2 ± 35.6 IU/L (P < 0.05), respectively. A reduction of ≥ 30% from the pre-study baseline ALT level was observed in 20 (50%) of the 40 patients. ALT levels in both the combined ursodeoxycholic acid (UDCA) treatment and the UDCA uncombined groups were significantly lower after Misatol ME administration. MK615 protected hepatocytes from D-GalN-induced cytotoxicity in rats. Misatol ME decreased elevated ALT and AST levels in patients with liver disorders. CONCLUSION: These results suggest that MK615 and Misatol ME are promising hepatoprotective agents for patients with liver disorders.


Assuntos
Fígado Gorduroso/tratamento farmacológico , Hepatite C/tratamento farmacológico , Hepatite Autoimune/tratamento farmacológico , Extratos Vegetais/uso terapêutico , Prunus , Adulto , Idoso , Idoso de 80 Anos ou mais , Alanina Transaminase/metabolismo , Animais , Aspartato Aminotransferases/metabolismo , Doença Hepática Induzida por Substâncias e Drogas/tratamento farmacológico , Doença Hepática Induzida por Substâncias e Drogas/metabolismo , Doença Hepática Induzida por Substâncias e Drogas/patologia , Modelos Animais de Doenças , Fígado Gorduroso/metabolismo , Fígado Gorduroso/patologia , Feminino , Galactosamina/efeitos adversos , Hepatite C/metabolismo , Hepatite C/patologia , Hepatite Autoimune/metabolismo , Hepatite Autoimune/patologia , Humanos , Fígado/enzimologia , Fígado/patologia , Masculino , Pessoa de Meia-Idade , Hepatopatia Gordurosa não Alcoólica , Ratos , Ratos Wistar , Resultado do Tratamento
20.
Hepatol Res ; 40(9): 862-9, 2010 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-20887590

RESUMO

AIM: We evaluated the adverse effects and efficacy associated with interferon-ß (IFN-ß) for the treatment of hepatitis C virus (HCV) infection in 20 hemodialyzed (HD) patients. METHODS: IFN-ß was administrated at a dose of 3 MIU three times a week for 24 weeks simultaneously at the time of HD for the patients of genotype 2a whose viral loads were less than 150 KIU/mL and considered to respond well to IFN therapy. RESULTS: There was a sustained virological response (SVR) rate of this treatment in 90% of the patients, and sex, age and HD duration had no affect. Slight adverse effects such as fever, malaise and itching were observed during the treatment periods but none serious in any of the patients. Also, no significant difference in adverse effect was observed between 3 MIU and higher dose (6 MIU) groups. CONCLUSION: Because IFN-ß can be administrated easily into the circuit of HD, adverse effects can be monitored earlier and taken measures against quickly. Taken together, IFN-ß-based therapy has a potential for HCV treatment in HD patients but further studies for the patients who have higher viral loads will be required to confirm this.

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