Dr. Kathy Yu-Syken, MD, FACS

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Providing Comprehensive, Compassionate, and Innovative Treatment for Sinus and Ear, Nose, and Throat Disorders

OCEANN ENT (Orange County Ear, Allergy, Nose, & Neck), led by renowned Otolaryngologist Dr. Kathy Yu-Syken (CEO and Founder), is committed to providing exceptional care for patients suffering from Nasal or Ear disorders that require subspecialty focus. With a focus on customized and compassionate treatment, she specializes in managing intractable sinus disease from bacterial or fungal sinusitis, or allergies, in addition to treating Eustachian tube dysfunction, and more.

Moreover, she is a designated Sinus Specialist and an active member of the American Rhinologic Society. Recognized for her extensive expertise in her subspecialty practice, she is one of the few surgeons who has pioneered and is certified to perform minimally invasive In-Office Sinus and Ear Procedures, including Balloon Sinuplasty and Eustachian Tube Dilation. These outpatient procedures can be completed successfully in the office and eliminate the need for general anesthesia, reducing risks associated with traditional sinus surgery and providing patients with a quicker, more comfortable recovery.

A graduate of the prestigious UCR/UCLA seven-year Biomedical Sciences Program, Dr. Yu-Syken graduated Magna Cum Laude and was inducted into the Phi Beta Kappa honor society. She completed her rigorous residency training in Otolaryngology-Head and Neck Surgery at Columbia University Medical Center and Weill Cornell Medical Center in New York, institutions renowned for their medical excellence.

Board-certified by the American Board of Otolaryngology, she has achieved the esteemed title of Fellow of the American College of Surgeons, reflecting her dedication to the highest standards in surgical care. With numerous articles published in national medical journals, she has also presented her groundbreaking research at various national Otolaryngology meetings, establishing her as a thoughtful leader in the field.

In addition to her clinical and surgical practice, Dr. Yu-Syken is also the CEO and Founder of SinusReLeaf Natural Sinus Rinse, a novel patent-pending hemp-based formulation that harnesses the power of Cannabigerol (CBG)/Cannabidiol (CBD) and Xylitol to provide natural antimicrobial protection to delicate nasal mucous membranes, in addition to reducing sinus inflammation naturally. The synergistic blend of natural CBG/CBD and Xylitol works well to decrease the adherence of microorganisms to the sensitive and vulnerable mucous membranes of the upper respiratory tract, and prevent nasal pathogens from entering through the nasal cavity, thus preventing infection, while minimizing inflammation. 

Her commitment to advancing the field of ENT is also evident through her numerous publications in national medical journals and presentations at various national meetings. She also serves as the Vice-Chairperson of the Department of Otolaryngology-Head and Neck Surgery at Long Beach Memorial Medical Center. Her involvement with professional organizations, such as the American Academy of Otolaryngology-Head and Neck Surgery and American College of Surgeons, underscores her commitment to advancing the field and enhancing patient care.

Fluent in English, Spanish, and Mandarin-Chinese, Dr. Yu-Syken is dedicated to ensuring that all patients receive the care they need in a language they understand. OCEANN ENT is proud to serve the Huntington Beach community with comprehensive ENT care tailored to each patient's unique needs.

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