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1.
Eur Thyroid J ; 3(1): 69-72, 2014 Mar.
Article in English | MEDLINE | ID: mdl-24847470

ABSTRACT

OBJECTIVE: An increased prevalence of thyroid autoimmunity has been observed after successful treatment of Cushing's syndrome. On the other hand, De Quervain's thyroiditis (DQT), in which autoimmunity is not a pathogenetic contributor, has not been reported during recovery from Cushing's syndrome. We describe 2 female patients with DQT coinciding with the resolution of hypercortisolism after treatment of Cushing's syndrome/disease. METHODS: The first patient had been diagnosed with Cushing's disease due to a corticotroph pituitary microadenoma, declined neurosurgery, and was receiving pharmacological treatment with pasireotide. Her hypercortisolism was optimally controlled with a minimum dose. The second patient had undergone unilateral adrenalectomy due to a cortisol-secreting adenoma and was on tapering doses of hydrocortisone due to a suppressed corticotroph axis. Both patients presented with clinical, functional, and imaging features of DQT at a time when their endogenous glucocorticoid levels were very low. RESULTS: Oral glucocorticoid treatment was administered in both cases, resulting in prompt recovery. CONCLUSIONS: The incidence of DQT following the resolution of hypercortisolism, either medical or surgical, has not been previously described. The exact pathogenetic mechanism can only be speculated on. Perhaps the relative or absolute glucocorticoid deficiency after effective treatment of hypercortisolism alters immunologic responses and renders patients more vulnerable to thyrolytic processes.

2.
J Addict Med ; 7(1): 52-7, 2013.
Article in English | MEDLINE | ID: mdl-23340710

ABSTRACT

OBJECTIVES: The aim of this study was to evaluate retrospectively the prevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection, epidemiological parameters, and the clinical data from the antiviral treatment of hepatitis C in a large cohort of intravenous drug users (IDUs) followed-up from 1994 until 2008. PATIENTS AND METHODS: A total of 1179 former IDUs followed up either in the liver unit or in the context of a substitution program organization were included in this study. A retrospective chart review was prepared to retrieve data on the patients' demographic characteristics, the prevalence of viral hepatitis, and information on HCV treatment. RESULTS: The prevalence of HBsAg positive was 5%. A substantial number of patients were anti-HCV positive (847/1170, 73%), 189 were lost to follow-up, 526 (80%) were HCV RNA positive and 132 (20%) had a self-limited disease. The most prevalent genotype was 3 (59.7%). Twenty-five percent of the study population received antiviral treatment against HCV infection. Patients seen in the Liver Unit were more likely to receive antiviral treatment. The sustained virological response (SVR) was 80% with patients treated with pegylated interferon and ribavirin having a significantly higher SVR rate. CONCLUSIONS: Our results show that (a) the majority of IDUs in Greece have chronic hepatitis C and the prevalent genotype is 3 (b) patients who complete therapy have SVR rates similar to those without drug-dependence, and (c) since IDUs constitute the core of the hepatitis C epidemic and the main route of HCV transmission, efforts to treat these patients should be made.


Subject(s)
Drug Users , Hepatitis B , Hepatitis C , Interferon-alpha/therapeutic use , Polyethylene Glycols/therapeutic use , Ribavirin/therapeutic use , Substance Abuse, Intravenous , Adult , Antiviral Agents/therapeutic use , Coinfection/epidemiology , Disease Management , Drug Users/psychology , Drug Users/statistics & numerical data , Female , Genotype , Hepacivirus/drug effects , Hepacivirus/genetics , Hepatitis B/diagnosis , Hepatitis B/epidemiology , Hepatitis B/etiology , Hepatitis B/therapy , Hepatitis B/transmission , Hepatitis B virus/drug effects , Hepatitis B virus/genetics , Hepatitis C/diagnosis , Hepatitis C/epidemiology , Hepatitis C/etiology , Hepatitis C/therapy , Hepatitis C/transmission , Humans , Male , Medication Adherence/psychology , Medication Adherence/statistics & numerical data , Middle Aged , Outcome Assessment, Health Care , Prevalence , Seroepidemiologic Studies , Substance Abuse, Intravenous/complications , Substance Abuse, Intravenous/epidemiology , Substance Abuse, Intravenous/psychology , Treatment Outcome , United States/epidemiology , Vaccination/statistics & numerical data
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