title: New World's old disease: cardiac hydatid disease and surgical principles.
abstract: BACKGROUND
  Hydatid cyst is a parasitic disease caused by infection with the Echinococcus granulosus tapeworm larva. It is a major public health problem in endemic regions. Cardiac involvement of the disease is rare.
  
  
  METHODS
  Between 1985 and 2015, 12 patients were admitted to our clinic with a possible diagnosis of cardiac hydatid disease. Of these patients, six (50%) were male and six (50%) were female. Mean age of the patients was 42.6 years.
  
  
  RESULTS
  The most common location of cardiac hydatid disease was left sided (six patients, 50%). Five (41.7%) patients had cysts located in the right heart, whereas one (8.3%) had a cyst in the interventricular septum. Eleven (91.7%) of the patients were operated on via median sternotomy and the remaining one was operated on via a left anterolateral thoracotomy. Ten (83.3%) of the patients were operated on using cardiopulmonary bypass under moderate hypothermia, whereas the remaining two (16.7%) had off-pump surgery. There was no surgical mortality in our series. All patients were discharged with medical therapy (mebendazole or albendazole) for the duration of six months. No recurrences were observed in their follow ups.
  
  
  CONCLUSIONS
  Although cardiac hydatid disease is rare, its prevalence seems to have increased in the last decade. Any patient with suspected cardiac symptoms suggesting mass lesions should be considered for a differential diagnosis of cardiac hydatid disease, especially in developing countries. Definitive treatment is removal of the cyst, combined with medical therapy.
authors.affiliation: Department of Cardiovascular Surgery, Meram Medicine Faculty, Necmettin Erbakan University, Konya, Turkey. Email: otanyeli@gmail.com.
authors.forename: Omer
authors.initials: O
authors.lastname: Tanyeli
authors.affiliation: Department of Cardiovascular Surgery, Meram Medicine Faculty, Necmettin Erbakan University, Konya, Turkey.
authors.forename: Yuksel
authors.initials: Y
authors.lastname: Dereli
authors.affiliation: Department of Cardiovascular Surgery, Meram Medicine Faculty, Necmettin Erbakan University, Konya, Turkey.
authors.forename: Ilker
authors.initials: I
authors.lastname: Mercan
authors.affiliation: Department of Cardiovascular Surgery, Meram Medicine Faculty, Necmettin Erbakan University, Konya, Turkey.
authors.forename: Niyazi
authors.initials: N
authors.lastname: Gormus
authors.affiliation: Department of Cardiovascular Surgery, Meram Medicine Faculty, Necmettin Erbakan University, Konya, Turkey.
authors.forename: Tahir
authors.initials: T
authors.lastname: Yuksek
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002315:Cardiopulmonary Bypass / Q000379:methods; D002648:Child; D004443:Echinococcosis / Q000175:diagnosis / Q000601:surgery*; D004452:Echocardiography / Q000379:methods; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000601:surgery*; D013908:Thoracotomy / Q000379:methods; D014057:Tomography, X-Ray Computed / Q000379:methods; D016896:Treatment Outcome; D054088:Ventricular Septum / Q000601:surgery*; D055815:Young Adult