Abnormal response from the sternocleidomastoid muscle in patients with spasmodic torticollis: Observations during microvascular decompression operations

1993 ◽  
Vol 124 (2-4) ◽  
pp. 92-98 ◽  
Author(s):  
S. Saito ◽  
A. R. M�ller ◽  
P. J. Jannetta ◽  
H. -D. Jho
Keyword(s):  
Microvascular Decompression ◽  
Spasmodic Torticollis ◽  
Sternocleidomastoid Muscle ◽  
Abnormal Response

Preservation of the lesser occipital nerve during microvascular decompression for hemifacial spasm

2007 ◽  
Vol 107 (6) ◽  
pp. 1235-1237 ◽  
Author(s):  
Takamitsu Fujimaki ◽  
Jae-Hyun Son ◽  
Shigehiko Takanashi ◽  
Teruyuki Ishii ◽  
Kazuhide Furuya ◽  
...  
Keyword(s):  
Hemifacial Spasm ◽  
Microvascular Decompression ◽  
Posterior Part ◽  
Sternocleidomastoid Muscle ◽  
Sensory Disturbance ◽  
Occipital Area ◽  
Occipital Nerve ◽  
Nerve Preservation ◽  
Suboccipital Craniotomy ◽  
Sensory Disturbances

✓The authors report on their technique for preserving the lesser occipital nerve (LON) during lateral suboccipital craniotomy. In their technique, the LON, which runs along the surface of or just beneath the sternocleidomastoid muscle, is identified and preserved. Lesser occipital nerve preservation using their technique was attempted in 25 patients who underwent microvascular decompression for hemifacial spasm. The LON was successfully preserved in 16 of these patients, was impossible to preserve in two patients, and could not be identified in seven patients. Among the patients in whom LON preservation was successful, 87.5% were free of sensory disturbance 6 months after surgery, whereas both patients in whom the LON could not be preserved complained of sensory disturbances in the occipital area and the posterior part of the auricula. Fifty-seven percent of the patients whose LON could not be identified complained of sensory disturbance. Thus, this technique for preserving the LON reduces the incidence of sensory disturbance in the occipital region after suboccipital craniotomy for microvascular decompression for hemifacial spasm.

Intraoperative monitoring of the facial nerve during decompressive surgery for hemifacial spasm

1991 ◽  
Vol 74 (2) ◽  
pp. 254-257 ◽  
Author(s):  
Stephen J. Haines ◽  
Fernando Torres
Keyword(s):  
Facial Nerve ◽  
Hemifacial Spasm ◽  
Microvascular Decompression ◽  
Intraoperative Monitoring ◽  
Circumstantial Evidence ◽  
Etiological Factor ◽  
Content Type ◽  
Abnormal Response ◽  
Facial Nerve Decompression ◽  
Fine Print

✓ In 11 consecutive patients, intraoperative electromyographic (EMG) recordings were made from the facial muscles during microvascular decompression for hemifacial spasm. In one patient, recordings could not be obtained for technical reasons, and two patients had no abnormality. In the remaining eight patients, the abnormal response resolved before decompression in two, resolved immediately at the time of decompression in five, and failed to resolve in one. All patients were relieved of their hemifacial spasm. In the five patients whose abnormalities resolved at the time of decompression, there was a precise intraoperative correlation between decompression of the nerve and disappearance of the abnormal EMG response. In three cases, this was a useful guide to the need to decompress more than one vessel. These results confirm the findings of Mailer and Jannetta, support the use of this technique for intraoperative monitoring of facial nerve decompression procedures, and provide strong circumstantial evidence that vascular cross-compression is an important etiological factor in hemifacial spasm.

Microvascular decompression with partial occipital condylectomy in a case of pediatric spasmodic torticollis

2019 ◽  
Vol 35 (7) ◽  
pp. 1263-1266
Author(s):  
Patrick Graupman ◽  
Timothy Feyma ◽  
Thomas Sorenson ◽  
Eric S. Nussbaum
Keyword(s):  
Microvascular Decompression ◽  
Spasmodic Torticollis

Selective denervation of the levator scapulae muscle: an amendment to the Bertrand procedure for the treatment of spasmodic torticollis

2008 ◽  
Vol 108 (4) ◽  
pp. 757-763 ◽  
Author(s):  
William S. Anderson ◽  
Herman Christopher Lawson ◽  
Allan J. Belzberg ◽  
Frederick A. Lenz
Keyword(s):  
Cervical Spine ◽  
Posterior Approach ◽  
Spasmodic Torticollis ◽  
Sternocleidomastoid Muscle ◽  
Nerve Supply ◽  
Anterior Surface ◽  
Nerve Roots ◽  
Posterior Triangle ◽  
Levator Scapulae ◽  
Levator Scapulae Muscle

Object The purpose of this cadaveric study was to explore a modification to the Bertrand procedure for the treatment of spasmodic torticollis, namely the denervation of the levator scapulae (LS) muscle for laterocollis. Methods The authors performed a series of 9 cadaveric dissections. Five were done to identify the anterior innervation of the LS, and the remaining 4 were to identify the tendinous insertions of the LS onto the lateral masses of the cervical spine via a posterior approach. The nerve supply to the LS from the anterior divisions of the C-3 and C-4 nerve roots and the contribution from the dorsal scapular nerve were identified over the anterior surface of the muscle. Results The C-3 and C-4 nerve root branches were situated within 2 cm of each other and inferior to the punctum nervosum. The dorsal scapular contribution was clearly identified in 2 cadavers. Selective denervation of this muscle is possible through the same posterior triangle incision used for denervating the sternocleidomastoid muscle of its accessory nerve branches. This approach will be helpful in patients with laterocollis contralateral to the direction of chin turning. The authors compare this approach to the posterior approach for sectioning the insertions of the LS muscle onto the C1–4 posterior tubercles. The latter approach is appropriate for ipsilateral laterocollis. Conclusions The posterior triangle approach for denervating the LS muscle is a safe and easy addition to the Bertrand procedure and can be helpful in selected cases of torticollis with a laterocollis component.

Microvascular decompression for spasmodic torticollis

1995 ◽  
Vol 134 (1-2) ◽  
pp. 21-26 ◽  
Author(s):  
H. D. Jho ◽  
P. J. Jannetta
Keyword(s):  
Microvascular Decompression ◽  
Spasmodic Torticollis

scholarly journals Successful Microvascular Decompression of Spasmodic Torticollis with Multiple Vascular Compression on the Course of the 11th Nerve : A Case Report

1999 ◽  
Vol 8 (10) ◽  
pp. 680-684 ◽  
Author(s):  
Wakako Shirai ◽  
Koichi Kitami ◽  
Izumi Koyanagi ◽  
Kenji Mitsumori ◽  
Mitsugi Sakuragi ◽  
...  
Keyword(s):  
Case Report ◽  
Microvascular Decompression ◽  
Spasmodic Torticollis ◽  
Vascular Compression

Microvascular compression: an alternative view and hypothesis

1989 ◽  
Vol 70 (1) ◽  
pp. 1-12 ◽  
Author(s):  
C. B. T. Adams
Keyword(s):  
Trigeminal Neuralgia ◽  
Hemifacial Spasm ◽  
Microvascular Decompression ◽  
Cranial Nerve ◽  
Spasmodic Torticollis ◽  
Glossopharyngeal Neuralgia ◽  
Alternative View ◽  
Content Type ◽  
Optimum Result ◽  
Fine Print

✓ The concept of microvascular compression (MVC) is discussed critically. The root entry or exit zone is defined: it is much shorter than generally realized. The anatomy of the intracranial vessels is considered, as well as known facts concerning trigeminal neuralgia, hemifacial spasm, and glossopharyngeal neuralgia relating to MVC. The results of microvascular decompression (MVD) are analyzed; one-third of patients do not obtain an optimum result. The evidence used to support the hypothesis of MVC, including neurophysiology, is discussed and it is believed to be insufficient and unconvincing. The basis of MVD could be trauma of the nerve during operative dissection and “decompression.” The concept of MVC might be more convincing if MVD can be shown to cure a condition such as spasmodic torticollis, which cannot be remedied by damage to or section of the same cranial nerve or nerves.

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