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Stellate Ganglion Block

Indication: CRPS of Arm, Neck, Head, Headache

The stellate ganglion is a sympathetic ganglion innervating the ipsilateral upper extremity, the neck and the head. The structure is usually located in front of the junction between C7 vertebral body and the transverse process. Stellate ganglion block is primarily indicated for complex regional pain syndrome of the head, neck and upper extremities. Uncontrolled clinical reports indicate this procedure provides effective pain relief or may even reverse the course of early stage complex regional pain syndrome type I. Other indications include vascular insufficiency of the arm and acute herpes zoster infection.

Technically, this block is achieved by inserting a needle through the neck to the front of the junction between the C7 vertebral body and the transverse process. Traditional hand palpation technique without guidance of fluoroscopy bears significant risks of injecting local anesthetics into critical structures in the neck, such as the carotid and vertebral arteries or intrathecal space. Incorrectly located injections of local anesthetics may lead to loss of consciousness, seizures, paralysis, cardiac arrest and death. Recent use of fluoroscopic guidance for stellate ganglion block dramatically decreases the possibility of serious side effects and increases the rate of success.

Meet the FLPNR Team

  • YiLi Zhou, M.D., Ph.D
  • Hoang (Wayne) T. Vu, D.O.
  • Lourdes Varela–Batista, M.D.
  • Vinh-Loc Nguyen, P.A.
  • Kirstie Nicol, P.A.
  • Irene Aponte Moreno, N.P.
  • Sunny Park, N.P.
Neurologist in Ocala, FL Doctor of Osteopathic Medicine in Ocala, FL Physician in Ocala, FL Physician in Ocala, FL Physician in Ocala, FL Nurse Practitioner in Ocala, FL Nurse Practitioner in Ocala, FL
Neurologist in Ocala, FL

YiLi Zhou, M.D., Ph.D.

Harvard-Trained, Board-Certified Pain Specialist and Neurologist.

Dr. Zhou graduated from Wenzhou Medical College, China in 1982 with training in both modern western medicine and traditional Chinese medicine. He had neurology fellowship training at Shanghai Medical School, specializing in EMG/NCV and evoked potential studies. He served as an attending neurologist in China.

Doctor of Osteopathic Medicine in Ocala, FL

Hoang (Wayne) T. Vu, D.O.

Dr. Hoang (Wayne) T. Vu is board certified by both the American Board of Pain Medicine and the American Board of Physical Medicine and Rehabilitation. Dr. Vu earned his degree of Doctor of Osteopathic Medicine from Touro University College of Osteopathic Medicine in California in 2003.

Physician in Ocala, FL

Lourdes Varela–Batista, M.D.

Dr. Varela is a fellowship trained pain specialist and board certified PMR expert. Her specialities include physical medicine and rehabilitation and interventional pain medicine. She received her undergraduate degree from University of Puerto Rico and completed her medical degree from New York Medica College. Dr. Varela completed her physical medicine and rehabilitation residency at University of Texas Health Science Center San Antonio.

Physician in Ocala, FL

Vinh-Loc Nguyen, P.A.

Vinh-Loc Nguyen is a NCCPA certified physician assistant and is licensed by the State of Florida Department of Health. He received his Bachelor of Science degree in microbiology and Bachelor of Arts Degree in economics from University of Florida in 1994. He had a successful career in the financial industry before returning to his true passion for medicine.

Physician in Ocala, FL

Kirstie Nicol, P.A.

Kirstie has been serving as a physician assistant at Florida Pain and Rehabilitation Center, Lake City since September 2016. She is board certified by the National Commission on Certification of Physician Assistants (NCCPA). She received her master of science in physician assistant studies, at Clarkson University in Potsdam, NY.

Nurse Practitioner in Ocala, FL

Irene Aponte Moreno, N.P.

Ms. Irene Aponte Moreno is an Adult-Gerontology certified Nurse Practitioner and licensed by the State of Florida Department of Health. In 2014, she received her Master of Science degree in Nursing from the University of South Alabama. She completed her Bachelor of Science degree in Nursing from Jacksonville State University in December of 2006. In 2003, she received an Associates of Arts degree from Southwestern Michigan College. She also completed an Associate degree in Informatics from the University Institute Antonio Jose de Sucre located in Lara State, Venezuela.

Nurse Practitioner in Ocala, FL

Sunny Park, N.P.

Ms. Sunny Park is an AANP and ANCC certified Advanced Registered Nurse Practitioner, licensed by the State of Florida Department of Health. She graduated with Summa Cum Laude with Bachelor of Arts in Drawing from Southern Illinois University in 1999. She pursued nursing career and graduated with Associate of Science in Nursing in 2007 and started working as a registered nurse in Cardiovascular ICU in St.Luke’s Medical Center. She continued with her education and graduated with Magna Cum Laude obtaining Bachelor of Science in Nursing in 2010 from Cardinal Stritch University. During her nursing education, she was awarded multiple scholarships including the Lamplight scholarship by Milwaukee Nurses Association.


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