THE INTRAOPERATIVE EVALUATION OF THE NEUROSENSORY FUNCTION OF THE ANTERIOR CRUCIATE LIGAMENT IN HUMANS USING SOMATOSENSORY EVOKED-POTENTIALS

被引：74

作者：

PITMAN, MI

NAINZADEH, N

MENCHE, D

GASALBERTI, R

SONG, EK

机构：

[1] Department of Sports Medicine, Hospital for Joint Diseases Orthopaedic Institute, New York, NY

[2] Department of Rehabilitation Medicine, Hospital for Joint Diseases Orthopaedic Institute, New York, NY

来源：

ARTHROSCOPY | 1992年 / 8卷 / 04期

关键词：

ANTERIOR CRUCIATE LIGAMENT; NEURORECEPTOR FUNCTION; SOMATOSENSORY EVOKED POTENTIALS; PROPRIOCEPTIVE FEEDBACK;

D O I：

10.1016/0749-8063(92)90005-V

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

Most of the investigation of the properties of the anterior cruciate ligament (ACL) has focused on its biomechanical functions. There has been increasing interest in the study of the possible neuroreceptor function of the ACL and its role in providing important proprioceptive feedback. Anatomic and histologic studies in humans have shown the presence of neuroreceptors within the anterior cruciate ligament. Indirect evidence exists that proprioception is diminished in the ACL-deficient knee. However, direct evidence in humans of the actual origin of the afferent impulses from within the ACL itself is lacking. Measurement of direct electrical afferent activity, occurring on stimulation of the ACL, should provide this evidence. Somatosensory evoked potentials (SEP) measure the electric potentials evoked in the cerebral cortex upon stimulation of a peripheral neuroreceptor. Carried by the posterior columns of the spinal cord, they reflect activity of the proprioceptive fibers. During arthroscopic procedures performed on nine patients, the normal ACL was stimulated by the use of electrodes applied to the femoral end, midsubstance, and tibial end, and cortical potentials thus evoked were recorded. In all cases, SEPs were recorded at the cerebral cortex upon stimulation of the ACL. The greatest potentials were reported upon stimulation of the midsubstance of the ligament. These findings provide direct evidence for, and strongly support the presence of, active proprioceptive receptors within the intact anterior cruciate ligament of the human knee.

引用

页码：442 / 447

页数：6

共 30 条

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