Chylothorax 

  • Author: Sasha D Adams, MD; Chief Editor: Julian Katz, MD   more...
 
Updated: Jan 4, 2012
 

Background

Chylothorax refers to the presence of lymphatic fluid in the pleural space secondary to leakage from the thoracic duct or one of its main tributaries. In 1875, H. Quinke described the first traumatic chylothorax. In 1948, R.S. Lampson performed the first thoracic duct ligation.

See the images below.

Anteroposterior upright chest radiograph shows a mAnteroposterior upright chest radiograph shows a massive left-sided pleural effusion with contralateral mediastinal shift. Image courtesy of Allen R. Thomas, MD. A CT scan of the chest of a 3-year old child showiA CT scan of the chest of a 3-year old child showing left side effusion and underlying parenchymal infiltrate and atelectasis. Image courtesy of Ibrahim Abdulhamid, MD.
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Pathophysiology

A tear or leak in the thoracic duct causes chylous fluid to collect in the pleural cavity, which can cause acute or chronic alterations in the pulmonary mechanics. In a normal adult, the thoracic duct transports up to 4 L of chyle per day, allowing a rapid and large accumulation of fluid in the chest.

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Epidemiology

Frequency

International

The prevalence after various cardiothoracic surgeries is 0.2-1%.

Mortality/Morbidity

Mortality and morbidity rates are approximately 10% in major clinical medical centers.

Sex

Chylothorax has no predilection for either sex.

Age

Chylothorax has no predilection for age.

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Contributor Information and Disclosures
Author

Sasha D Adams, MD  Resident Physician, Department of Surgery, University of Texas at Houston School of Medicine

Sasha D Adams, MD is a member of the following medical societies: American College of Surgeons, American Medical Association, Association for Academic Surgery, and Association of Women Surgeons

Disclosure: Nothing to disclose.

Coauthor(s)

James Cipolla, MD  Attending Surgeon, Department of Traumatology and Critical Care, St Luke's Hospital; Attending Surgeon, Department of Traumatology, Reading Hospital; Assistant Clinical Professor of Surgery, University of Pennsylvania School of Medicine

James Cipolla, MD is a member of the following medical societies: American College of Surgeons and Society of Critical Care Medicine

Disclosure: Nothing to disclose.

Specialty Editor Board

Francisco Talavera, PharmD, PhD  Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Medscape Salary Employment

BS Anand, MD  Professor, Department of Internal Medicine, Division of Gastroenterology, Baylor College of Medicine

BS Anand, MD is a member of the following medical societies: American Association for the Study of Liver Diseases, American College of Gastroenterology, American Gastroenterological Association, and American Society for Gastrointestinal Endoscopy

Disclosure: Nothing to disclose.

Alex J Mechaber, MD, FACP  Senior Associate Dean for Undergraduate Medical Education, Associate Professor of Medicine, University of Miami Miller School of Medicine

Alex J Mechaber, MD, FACP is a member of the following medical societies: Alpha Omega Alpha, American College of Physicians-American Society of Internal Medicine, and Society of General Internal Medicine

Disclosure: Nothing to disclose.

Chief Editor

Julian Katz, MD  Clinical Professor of Medicine, Drexel University College of Medicine

Julian Katz, MD is a member of the following medical societies: American College of Gastroenterology, American College of Physicians, American Gastroenterological Association, American Geriatrics Society, American Medical Association, American Society for Gastrointestinal Endoscopy, American Society of Law, Medicine & Ethics, American Trauma Society, Association of American Medical Colleges, and Physicians for Social Responsibility

Disclosure: Nothing to disclose.

Additional Contributors

Mounzer Al Samman, MD Assistant Professor, Department of Internal Medicine, Division of Gastroenterology, Texas Tech University School of Medicine

Mounzer Al Al Samman, MD is a member of the following medical societies: American College of Gastroenterology, American College of Physicians, and American Gastroenterological Association

Disclosure: Nothing to disclose. Rosemary Kozar, MD, PhD, Assistant Professor, Department of Surgery, Division of General Surgery, University of Texas at Houston School of Medicine

Disclosure: Nothing to disclose.

References
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Anteroposterior upright chest radiograph shows a massive left-sided pleural effusion with contralateral mediastinal shift. Image courtesy of Allen R. Thomas, MD.
A CT scan of the chest of a 3-year old child showing left side effusion and underlying parenchymal infiltrate and atelectasis. Image courtesy of Ibrahim Abdulhamid, MD.
 
 
 
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