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Injury of heart with hemopericardium — Clinical Guidelines

Overview

Chylopericardium is a rare condition characterized by the accumulation of chyle (lymphatic fluid rich in triglycerides) within the pericardial sac, often secondary to thoracic duct injury or obstruction, though primary idiopathic cases exist 1 3 11.

Diagnosis

Clinical Presentation: Asymptomatic or symptoms related to cardiac tamponade (e.g., dyspnea, chest pain, hypotension) 1 8.

Imaging: Chest X-ray showing enlarged cardiac silhouette, echocardiography revealing pericardial effusion 1 8 11.

Fluid Analysis: Pericardiocentesis fluid analysis confirms chylous nature (lipid content > 10 mg/dL) 1 7.

Diagnostic Imaging: Enhanced CT and lymphangiography to identify thoracic duct abnormalities 6 10.

Nuclear Scans: 131I-triolein scan for noninvasive diagnosis of chylopericardium 12.

Management

First-Line Treatments:

- Dietary Modifications: Low-fat diet with medium-chain triglycerides 1 7. - Pericardiocentesis: Drainage of pericardial effusion 1 7 8.

Adjunctive Treatments:

- Octreotide: For refractory cases, particularly after failure of conservative therapy 1. - Surgical Interventions: - Pericardiectomy: Partial or total, with or without thoracic duct ligation 3 4 5 6 9 10. - Thoracic Duct Ligation: Direct surgical or thoracoscopic approach 4 5 6 10. - Pericardial Window: Establishment for continuous drainage 6.

Special Populations

Pediatrics: Commonly secondary to mediastinal anomalies like lymphangiomas; management includes surgical interventions 7.

Comorbidities: Intravenous drug addiction may be associated with nontraumatic chylopericardium, requiring surgical resection 9.

Key Recommendations

Perform pericardiocentesis for diagnostic and therapeutic purposes in suspected chylopericardium cases (Evidence: Moderate 1 7).

Consider surgical interventions such as pericardiectomy and thoracic duct ligation for refractory or recurrent cases (Evidence: Moderate 3 5 6).

Utilize octreotide as an adjunctive therapy in cases unresponsive to initial conservative management (Evidence: Weak 1).

Employ enhanced CT and lymphangiography for precise identification of thoracic duct abnormalities guiding surgical planning (Evidence: Moderate 6 10).

References

1 Szabados E, Toth K, Mezosi E. Use of octreotide in the treatment of chylopericardium. Heart & lung : the journal of critical care 2011. link 2 Melduni RM, Oh JK, Bunch TJ, Sinak LJ, Gloviczki P. Reconstruction of occluded thoracic duct for treatment of chylopericardium: a novel surgical therapy. Journal of vascular surgery 2008. link 3 Yokusoglu M, Savasoz BS, Baysan O, Erinc K, Gunay C, Isik E. Primary chylopericardium. The Thoracic and cardiovascular surgeon 2005. link 4 Watanabe S, Kariatsumari K, Sakasegawa K, Imagama I, Yotsumoto G, Sakata R. Primary chylopericardium treated with video-assisted thoracoscopic surgery. The Thoracic and cardiovascular surgeon 2002. link 5 Yüksel M, Yildizeli B, Zonüzi F, Batirel HF. Isolated primary chylopericardium. European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 1997. link00126-7) 6 Akamatsu H, Amano J, Sakamoto T, Suzuki A. Primary chylopericardium. The Annals of thoracic surgery 1994. link91124-x) 7 Chan BB, Murphy MC, Rodgers BM. Management of chylopericardium. Journal of pediatric surgery 1990. link90761-w) 8 Musemeche CA, Riveron FA, Backer CL, Zales VR, Idriss FS. Massive primary chylopericardium: a case report. Journal of pediatric surgery 1990. link90187-e) 9 Chan RM, Dodek A. Chylopericardium in a drug addict. Archives of internal medicine 1984. link 10 Kannagi T, Osakada G, Wakabayashi A, Kawai C, Matsuda M, Miki S. Primary chylopericardium. Chest 1982. link 11 Ross P, Joseph S, Walker D. A case of isolated primary chylopericardium. British heart journal 1979. link 12 Savran SV, Ratshin RA, Shirley JH, Naguwa SM, Goodman L. Idiopathic chylopericardium: 131-I-triolein scan for noninvasive diagnosis. Annals of internal medicine 1975. link

Injury of heart with hemopericardium