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Manifestations and Outcome of Cardiac Sarcoidosis and Idiopathic Giant Cell Myocarditis by 25-Year Nationwide Cohorts.

ABSTRACT: Background Cardiac sarcoidosis (CS) and giant cell myocarditis (GCM) share many histopathologic and clinical features. Whether they are parts of a one-disease continuum has been discussed. Methods and Results We compared medical record data of 351 CS and 28 GCM cases diagnosed in Finland since the late 1980s and followed until February 2018 for a composite end point of cardiac death, aborted sudden death, and heart transplantation. Heart failure was the presenting manifestation in 50% versus 15% (P<0.001), and high-grade atrioventricular block in 21% versus 43% (P=0.044), of GCM and CS, respectively. At presentation, left ventricular ejection fraction was ≤50% in 81% of cases of GCM versus in 48% of CS (P=0.004). The median (interquartile range) of plasma NT-proBNP (N-terminal pro-B-type natriuretic peptide) was 5273 (2782-11309) ng/L on admission in GCM versus 859 (290-1950) ng/L in CS (P<0.001), and cardiac troponin T exceeded 50 ng/L in 17 of 19 cases of GCM versus in 48 of 239 cases of CS (P<0.001). The 5-year estimate of event-free survival was 77% (95% CI, 72%-82%) in CS versus 27% (95% CI, 10%-45%) in GCM (P<0.001). By Cox regression analysis, GCM predicted cardiac events with a hazard ratio of 5.16 (95% CI, 2.82-9.45), which, however, decreased to 1.58 (95% CI, 0.71-3.52) after inclusion of markers of myocardial injury and dysfunction in the model. Conclusions GCM differs from CS in presenting with more extensive myocardial injury and having worse long-term outcome. Yet the key determinant of prognosis appears to be the extent of myocardial injury rather than the histopathologic diagnosis.

SUBMITTER: Nordenswan HK

PROVIDER: S-EPMC8174201 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Background & aimsClinical manifestation of hepatic involvement in sarcoidosis can vary from asymptomatic disease to severe complications such as cirrhosis and portal hypertension. However, data on hepatic sarcoidosis are limited, and evidence-based recommendations are lacking. Our study aimed to assess the features and clinical course of hepatic sarcoidosis in a predominantly Caucasian cohort.MethodsWe performed a retrospective study including all patients with hepatic sarcoidosis between 2004 and 2020 in 5 German centres. The median follow-up time was 36 months (range 0.0-195). Data on demographic parameters, clinical manifestations, diagnostic test results, treatment, and outcome were collected.ResultsA total of 1,476 patients with sarcoidosis and 62 patients with hepatic involvement (4.2%) were identified. Of the patients, 51.6% were female, and 80.6% were Caucasian. Most patients were asymptomatic and were observed to have a cholestatic pattern of liver enzyme elevations. Cirrhosis was detected in 9 patients (14.5%), of whom 6 developed clinical manifestations of portal hypertension. Fifty-four patients were medically treated, most commonly with glucocorticoids (69.4%) or ursodeoxycholic acid (UDCA) (40.3%). Levels of alkaline phosphatase (ALP) decreased by 60.8% on average from baseline in patients treated with glucocorticoids and by 59.9% in patients treated with UDCA. Seventeen patients received treatment augmentation with a second line agent, of whom 8 patients normalised ALP levels during follow-up. None of the patients underwent liver transplantation or developed hepatocellular carcinoma (HCC). Three of the patients died during follow-up owing to liver-related complications.ConclusionsHepatic involvement in sarcoidosis was found in 4.2% of patients with sarcoidosis and was clinically significant in 14.5% of those. These findings highlight the importance of early identifying, monitoring, and treating hepatic sarcoidosis, given its increased mortality when associated with end-stage liver disease.Lay summaryClinical diagnostic and surveillance of hepatic involvement in sarcoidosis has not been standardised, and management of hepatic involvement is a clinical challenge, since it remains poorly characterised in many ways. Our results show that one-third of patients with hepatic sarcoidosis presented with clinically significant portal hypertension, 14.5% suffered from cirrhosis, and 3 patients died owing to liver-related complications. Regarding pharmacological treatment options, corticosteroids and UDCA were the medical agents most frequently used, and both of them have been shown to induce biochemical response in the majority of patients. These findings highlight the importance of correctly and early identifying hepatic involvement in sarcoidosis, because of the potentially progressive course of disease.

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Manifestations and Outcome of Cardiac Sarcoidosis and Idiopathic Giant Cell Myocarditis by 25-Year Nationwide Cohorts.

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