A study of mortality among alcoholics was carried out involving patients discharged from the alcoholic ward of a Hamamatsu University-affiliated hospital from 1972 to 1984 (1021 patients). The average age at death was 48.4 years. The causes of death were divided into three groups; 'diseases', 'accidents', 'suicide and homicide', accounting for 73.5%, 10.5% and 7.3% of 257 deaths, respectively. Death rates per 1000 persons for the years at risk were compared with the expected rates for the general population. Briefly, the death rates for patients were more than 10 times as large as those in the general population. Our results showed that liver cirrhosis and heart failure ranked high among the causes of death in alcoholics. Among patients who died, only 3.1% were total abstainers after discharge from hospital, which was an extremely low proportion in comparison with the average cross-total abstinence rate of 25.8% among patients after discharge.
Alcohol withdrawal symptoms in 19 male alcoholics were objectively evaluated and classified and circadian variation in their plasma 5-hydroxyindoleacetic acid (5-HIAA) concentrations was determined at 3 different intervals after cessation of drinking. Circadian variations in plasma 5-HIAA level exhibited phase advances in alcoholic patients compared with normal controls and were different depending on the severity of alcohol withdrawal symptoms. Plasma 5-HIAA in patients with delirium tremens showed significantly higher levels during the abstention period, possibly suggesting peculiarity in their serotonergic metabolism.
Lineage switch is a rare event at leukemic relapse. While mostly known to occur in KMT2A-rearranged infant leukemia, the underlying mechanism is yet to be depicted. This case report describes a female infant who achieved remission of KMT2A-MLLT3rearranged acute monocytic leukemia, but 6 months thereafter, relapsed as KMT2A-MLLT3-rearranged acute lymphocytic leukemia. Whole exome sequencing of the bone marrow obtained pre-post lineage switch revealed two somatic mutations of PAX5 in the relapse sample. These two PAX5 alterations were suggested to be loss of function, thus to have played the driver role in the lineage switch from acute monocytic leukemia to acute lymphocytic leukemia.
Background: Varicella-zoster virus (VZV) reactivation is a serious complication of hematopoietic stem cell transplantation (HSCT). Although low-dose acyclovir can prevent VZV reactivation after HSCT in adults, the efficacy of a dose of acyclovir lower than the recommended dose, such as 60-80 mg/kg/day in children, is unclear. In this study, we aimed to evaluate the incidence of VZV reactivation after HSCT during and after low-dose acyclovir administration for preventing VZV reactivation in children.
Methods:This single-center retrospective study included children aged ≤15 years who received oral acyclovir (at 15 mg/kg/day) to prevent VZV reactivation after HSCT. We examined the cumulative incidence of VZV reactivation after HSCT, during and after prophylactic acyclovir administration.Results: Fifty-three eligible patients were included in this study, of whom 37 underwent allogeneic HSCT. The median duration of prophylactic acyclovir therapy was 264 days (range: 69-1140 days). VZV reactivation occurred in 13 patients (24.5%, 95% confidence interval [CI]: 14.9-37.6). The cumulative incidence of VZV reactivation 1 and 2 years after HSCT was 6.26% (95% CI: 1.60-15.5) and 20.9% (95% CI: 10.3-34.0), respectively. While only one patient developed VZV reactivation during the administration of prophylactic acyclovir, the cumulative incidence of VZV reactivation increased to 24.2% (95% CI: 12.5-38.0) 1 year after the cessation of acyclovir.
Conclusion:Low-dose acyclovir (15 mg/kg/day) could be effective for preventing VZV reactivation after HSCT in children because VZV reactivation seldom occurs during the administration of 15 mg/kg/day acyclovir.
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