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Titolo:
Changes and implications of blood flow velocity of the vertebral artery during rotation and extension of the head
Autore:
Li, YK; Zhang, YK; Lu, CM; Zhong, SZ;
Indirizzi:
FirstgzhouMed Univ, Inst Clin Anat & Biomech, Dept Tradit Chinese Med, Guan First Mil Med Univ Guangzhou Peoples R China 510515 it Chinese Med, Guan Firstinal Med Univ, NangFang Hosp, Dept Ultrasound, Guangzhou, Peoples R Ch First Mil Med Univ Guangzhou Peoples R China d, Guangzhou, Peoples R Ch Urumchi AF Hosp, Urumchi, Peoples R China Urumchi AF Hosp Urumchi Peoples R China Hosp, Urumchi, Peoples R China First Mil Med Univ, Inst Clin Anat & Biomech, Chinese Acad Engn, Guangzhou, First Mil Med Univ Guangzhou Peoples R China nese Acad Engn, Guangzhou,
Titolo Testata:
JOURNAL OF MANIPULATIVE AND PHYSIOLOGICAL THERAPEUTICS
fascicolo: 2, volume: 22, anno: 1999,
pagine: 91 - 95
SICI:
0161-4754(199902)22:2<91:CAIOBF>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
SPINAL MANIPULATION;
Keywords:
vertebral artery; manipulation; cervical spine; transcranial Doppler sonography;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Li, YK FirstgzhouMed Univ, Inst Clin Anat & Biomech, Dept Tradit Chinese Med, Guan First Mil Med Univ Guangzhou Peoples R China 510515 ese Med, Guan
Citazione:
Y.K. Li et al., "Changes and implications of blood flow velocity of the vertebral artery during rotation and extension of the head", J MANIP PHY, 22(2), 1999, pp. 91-95

Abstract

Objective: To study the effects of extension and extension-rotation of thehead on the blued flow velocity of the vertebral artery experimentally andclinically. Design: Randomized experimental clinical study. Setting: Institute of Clinical Anatomy and Biomechanics and the Departmentof Ultrasound, NanFang Hospital of the First Military Medical University, Guangzhou, China. Subjects: The fresh spines from T1-2 to the occipital bone were obtained from persons who died of acute brain death (n = 10). For the transcranial Doppler measurement, 27 asymptomatic subjects with routine physical examination results and 23 students from the above-mentioned university took part inthe test. Interventions: The instillation experiment in the cadavers was made. Clinical measurements of blood flow velocity in the vertebral artery in the subjects and students were taken and recorded. Main Outcome Measures: Changes in the drop of the vertebral artery were measured by the instillation test in the experimental sample. The blood flow velocity was measured with transcranial Doppler sonography during extensionand extension-rotation of the head. Results: During one-sided rotation of the head with extension of the head,measurements in the contralateral vertebral artery and the bilateral vertebral arteries were both reduced in the instillation experiment. The blood flow velocity in the bilateral vertebral arteries decreased during extensionand extension-rotation of the head in the subjects and the students. The pulsatility index in the right vertebral arteries increased more than that in the left in extreme extension and that in the bilateral vertebral arteries in neutral position. Conclusions: Extreme rotation and extension are dangerous to patients who have abnormal vertebral arteries when extreme rotatory and extension manipulations are applied. Doctors should be very careful when rotating the patient's head to the right side.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/07/20 alle ore 12:55:09