Abstract. The treatment of refractory ascites due to cirrhosis is a clinical challenge for hepatologists. Tolvaptan, a novel aquaporin modulator, was made available in Japan in 2013 for the treatment of patients with refractory ascites due to cirrhosis. Despite the potential of this drug, few reports are available regarding its clinical use. The aim of the present study was to clarify the efficacy of tolvaptan in patients with refractory ascites due to cirrhosis and to review the clinical outcomes of treatment. Medical records were retrospectively reviewed for 65 patients with refractory ascites due to cirrhosis who were treated daily with 7.5 mg tolvaptan. The median follow-up time, defined as the period between starting tolvaptan and the last clinic visit or date of mortality, was 175 days (interquartile range 56-406). After one week of tolvaptan treatment, the mean weight reduction was 3.4 kg, with a response rate of 69% (45/65). Subsequently, factors associated with the response to tolvaptan were analyzed. On univariate analysis, maintaining serum sodium (Na) ≥140 mEq/l and an estimated glomerular filtration rate (eGFR) ≥55 ml/min were significant predictors of response (P<0.05). On multivariate analysis, hepatitis C virus etiology, maintaining serum Na ≥140 mEq/l and an eGFR ≥55 ml/min were significant predictors of response (P<0.05). Factors associated with survival were also analyzed using the Cox proportional hazard model. On multivariate analysis, responsiveness to tolvaptan was a predictor of long-term survival (P=0.002), and hyperbilirubinemia was associated with short-term survival (P=0.028). Additionally, KaplanMeier analysis with a log-rank test indicated longer survival times in tolvaptan responders than non-responders (P=0.011).In conclusion, tolvaptan was effective in treating patients with refractory ascites due to cirrhosis. In particular, tolvaptan treatment was highly effective for patients with hepatitis C virus etiology and normal serum Na and renal function. Furthermore, response to tolvaptan was associated with longer survival time while hyperbilirubinemia was associated with shorter survival time.
Background Acute decompensation (AD) of liver cirrhosis (LC) and subsequent acute-on-chronic liver failure (ACLF) are fatal and impair quality of life. Insufficient knowledge of the highly heterogeneous natural history of LC, including decompensation, re-compensation, and possible recurrent decompensation, hinders the development and application of novel therapeutics. Approximately 10%-50% of AD/ACLF is reported to be precipitated by any indeterminate (unidentifiable, cryptogenic, or unknown) acute insults; however, its clinical characteristics are unclear. Methods We conducted a single-center observational study of 2165 consecutively admitted patients with LC from January 2012 to December 2019. A total of 466 episodes of AD/ACLF in 285 patients, including their 285 first indexed AD/ACLF, were extracted for analysis. Stratified analyses of different acute precipitants, classified as indeterminate (AD/ACLFIND), bacterial infection (AD/ACLFBAC), gastrointestinal bleeding, active alcoholism, and miscellaneous, were performed. Results AD/ACLFIND was the leading acute precipitant (28%), followed by AD/ACLFBAC (23%). AD/ACLFIND showed better survival outcomes than AD/ACLFBAC (P = 0.03); however, hyperbilirubinemia, hyponatremia, or leukocytosis significantly and uniquely characterized subgroups of AD/ACLFIND with comparable or even worse survival outcomes than those of AD/ACLFBAC. Patients with subsequent AD/ACLF significantly tended to suffer from AD/ACLF with any organ failure in AD/ACLFIND but not in AD/ACLFBAC (P = 0.004, for trend). In competing risk analysis, patients with AD/ACLFIND were significantly more vulnerable to suffer from recurrent episodes of AD/ACLF within 180 days, compared to those triggered by other precipitants (P = 0.04). Conclusions AD/ACLFIND, the leading acute precipitant, also plays a role in subsequent AD/ACLF. An abruptly exacerbating, remitting, and relapsing nature of systemic inflammation underlying AD/ACLF may also be useful for risk estimation.
Simple objective modalities are required for evaluating suspected autoimmune gastritis (AIG). This cross-sectional study aimed to examine whether pepsinogen, gastrin, and endoscopic findings can predict AIG. The diagnostic performance of endoscopic findings and serology in distinguishing AIG was evaluated. AIG was diagnosed in patients (N = 31) with anti-parietal cell antibody and/or intrinsic factor antibody positivity and histological findings consistent with AIG. Non-AIG patients (N = 301) were seronegative for anti-parietal cell antibodies. Receiver operating characteristic curve analysis of the entire cohort (N = 332) identified an endoscopic atrophic grade cutoff point of O3 on the Kimura–Takemoto classification (area under the curve [AUC]: 0.909), while those of pepsinogen-I, I/II ratio, and gastrin were 20.1 ng/mL (AUC: 0.932), 1.8 (AUC: 0.913), and 355 pg/mL (AUC: 0.912), respectively. In severe atrophy cases (≥ O3, N = 58, AIG/control; 27/31), the cutoff values of pepsinogen-I, I/II ratio, and gastrin were 9.8 ng/mL (AUC: 0.895), 1.8 (AUC: 0.86), and 355 pg/mL (AUC: 0.897), respectively. In conclusion, endoscopic atrophy is a predictor of AIG. High serum gastrin and low pepsinogen-I and I/II ratio are predictors even in the case of severe atrophy, suggesting their usefulness when the diagnosis of AIG is difficult or as serological screening tests.
Controversies and debates remain regarding the best management of severe acute-onset autoimmune hepatitis (SA-AIH) due to the lack of useful outcome or complication prediction systems. We conducted this clinical practice-based observational study to clarify whether Chronic Liver Failure Consortium Organ Failure scores (CLIF-C OFs) and the computed tomography-derived liver volume to standard liver volume (CTLV/SLV) ratio at admission to a tertiary transplant center can predict outcomes and complications due to infection. Thirty-four consecutive corticosteroid-treated patients with SA-AIH from 2007 to 2018 were included. Severe hepatitis was defined as an international normalized ratio (of prothrombin time) over 1.3 any time before admission. Of the 34 corticosteroid-treated patients with SA-AIH inclusive of 25 (73.5%) acute liver failure cases, transplant-free survival was observed in 24 patients (70.6%). Any infection was noticed in 10 patients (29.4%). CLIF-C OFs, at the cutoff of 9, significantly predicted survival (P = 0.0002, log-rank test), outperformed the Model for End-stage Liver Disease system in predicting outcome (P = 0.0325), and significantly discriminated between liver transplant and death in a competing risk analysis. SA-AIH was characterized as having decreased CTLV/SLV, which was also predictive of survival (P < 0.0001). Interestingly, CLIF-C OFs, especially the subscores for respiratory dysfunction, also predicted infection (P = 0.007). Conclusion: In corticosteroid-treated patients with SA-AIH, CLIF-C OFs and CTLV/SLV ratios predicted both survival outcome and complications due to infection. Further investigation is warranted to determine whether making decisions based on CLIF-C OFs or CTLV/SLV ratios is useful. (Hepatology Communications 2020;4:1019-1033).
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