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Li J, Kunze B, Gössel L, Krebs S, Dreimann M. A new etiology of nontraumatic C0-C1-C2-Complex instability - abnormality of musculus rectus capitis posterior minor: a case report. Arch Orthop Trauma Surg 2024; 144:1969-1976. [PMID: 38554204 DOI: 10.1007/s00402-024-05275-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Accepted: 03/06/2024] [Indexed: 04/01/2024]
Abstract
PURPOSE This study presents an abnormality of the musculus rectus capitis posterior minor (RCPmi) as a new etiological factor for nontraumatic sagittal plane instability in the C0-C1-C2-complex, with a focus on identifying the absence or atrophy of RCPmi on both sides. METHODS A 36-year-old male patient presented with recurring neck pain (VAS 8/10) and tingling paresthesia in the entire left hand over a six-month period, without significant neurological deficits. Radiated arm pain was not reported. Imaging examinations revealed sagittal plane instability in the C0-C1-C2-complex, spinal canal stenosis (SCS), and myelopathy at the C1 level. Subsequently, a dorsal C0-1 reposition and fusion with laminectomy were performed. RESULTS The congenital absence or atrophy of RCPmi, leading to the lack of cephalad-rearward traction on the C1-tuberculum-posterius, induced a developmental failure of the C1 posterior arch. Consequently, the oblate-shaped C1 posterior arch lost support from the underlying C2 posterior arch and the necessary cephalad-rearward traction throughout the patient's 36-year life. This gradual loss of support and traction caused the C1 posterior arch to shift gradually to the anterior side of the C2 posterior arch, resulting in a rotational subluxation centered on the C0/1 joints in the sagittal plane. Ultimately, this led to SCS and myelopathy. Traumatic factors were ruled out from birth to the present, and typical degenerative changes were not found in the upper cervical spine, neck muscles, and ligaments. CONCLUSION In this case, we not only report the atrophy or absence of RCPmi as a new etiological factor for nontraumatic sagittal plane instability in the C0-C1-C2-complex but also discovered a new function of RCPmi. The cephalad-rearward traction exerted by RCPmi on the C1 posterior arch is essential for the development of a normal C1 anterior-posterior diameter.
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Affiliation(s)
- Jun Li
- Spine center for neuroorthopaedics, spinal cord injuries and scoliosis, RKH Orthopedic Clinic Markgröningen gGmbH, Markgröningen, Germany.
| | - Beate Kunze
- Spine center for neuroorthopaedics, spinal cord injuries and scoliosis, RKH Orthopedic Clinic Markgröningen gGmbH, Markgröningen, Germany
| | - Lutz Gössel
- Spine center for neuroorthopaedics, spinal cord injuries and scoliosis, RKH Orthopedic Clinic Markgröningen gGmbH, Markgröningen, Germany
| | - Stefan Krebs
- Spine center for neuroorthopaedics, spinal cord injuries and scoliosis, RKH Orthopedic Clinic Markgröningen gGmbH, Markgröningen, Germany
| | - Marc Dreimann
- Spine center for neuroorthopaedics, spinal cord injuries and scoliosis, RKH Orthopedic Clinic Markgröningen gGmbH, Markgröningen, Germany
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Feng X, Liu C, Hu DM, Zhang JF, Zheng N, Chi YY, Yu SB, Sui HJ, Xu Q. Magnetic resonance imaging-based classification of the myodural bridge complex and its influencing factors. Surg Radiol Anat 2024; 46:125-135. [PMID: 38194160 PMCID: PMC10861613 DOI: 10.1007/s00276-023-03279-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 12/05/2023] [Indexed: 01/10/2024]
Abstract
Cerebrospinal fluid (CSF) circulation is considered the third circulation of the human body. Recently, some scholars have proposed the myodural bridge (MDB) as a novel power source for CSF flow. Moreover, the suboccipital muscles can exert a driving force on the CSF via the MDB. This hypothesis is directly supported by head rotation and nodding movements, which can affect CSF circulation. The MDB has been validated as a normal structure in humans and mammals. In addition, the fusion of MDB fibers of different origins that act in concert with each other forms the MDB complex (MDBC). The MDBC may be associated with several CSF disorder-related neurological disorders in clinical practice. Therefore, the morphology of the MDBC and its influencing factors must be determined. In this study, T2-weighted imaging sagittal images of the cervical region were analyzed retrospectively in 1085 patients, and magnetic resonance imaging (MRI) typing of the MDBC was performed according to the imaging features of the MDBC in the posterior atlanto-occipital interspace (PAOiS) and posterior atlanto-axial interspace (PAAiS). The effects of age and age-related degenerative changes in the cervical spine on MRI staging of the MDBC were also determined. The results revealed four MRI types of the MDBC: type A (no MDBC hyposignal shadow connected to the dura mater in either the PAOiS or PAAiS), type B (MDBC hyposignal shadow connected to the dura mater in the PAOiS only), type C (MDBC hyposignal shadow connected to the dura mater in the PAAiS only), and type D (MDBC hyposignal shadow connected to the dura mater in both the PAOiS and PAAiS). The influencing factors for the MDBC typing were age (group), degree of intervertebral space stenosis, dorsal osteophytosis, and degenerative changes in the cervical spine (P < 0.05). With increasing age (10-year interval), the incidence of type B MDBC markedly decreased, whereas that of type A MDBC increased considerably. With the deepening of the degree of intervertebral space stenosis, the incidence of type C MDBC increased significantly, whereas that of type A MDBC decreased. In the presence of dorsal osteophytosis, the incidence of type C and D MDBCs significantly decreased, whereas that of type A increased. In the presence of protrusion of the intervertebral disc, the incidence of type B, C, and D MDBCs increased markedly, whereas that of type A MDBC decreased considerably, with cervical degenerative changes combined with spinal canal stenosis. Moreover, the incidence of both type C and D MDBCs increased, whereas that of type A MDBC decreased. Based on the MRI signal characteristics of the dural side of the MDBC, four types of the MDBC were identified. MDBC typing varies dynamically according to population distribution, depending on age and cervical degeneration (degree of intervertebral space stenosis, vertebral dorsal osteophytosis formation, simple protrusion of intervertebral disc, and cervical degeneration changes combined with spinal canal stenosis, except for the degree of protrusion of the intervertebral disc and the degree of spinal canal stenosis); however, it is not influenced by sex.
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Affiliation(s)
- Xiao Feng
- Postgraduate Training Base, The 967 Hospital of the Joint Logistics Support Force, Jinzhou Medical University, Dalian, 116021, China
| | - Cong Liu
- Department of Radiology, The 967 Hospital of the Joint Logistics Support Force, Dalian, 116021, China
| | - Dong-Mei Hu
- Department of Health Statistics, School of Public Health, Dalian Medical University, Dalian, 116044, China
| | - Jian-Fei Zhang
- Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, 116044, China
| | - Nan Zheng
- Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, 116044, China
| | - Yan-Yan Chi
- Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, 116044, China
| | - Sheng-Bo Yu
- Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, 116044, China.
| | - Hong-Jin Sui
- Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, 116044, China.
| | - Qiang Xu
- Department of Radiology, The 967 Hospital of the Joint Logistics Support Force, Dalian, 116021, China.
- Postgraduate Training Base, The 967 Hospital of the Joint Logistics Support Force, Jinzhou Medical University, Dalian, 116021, China.
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Ulman-Macón D, Fernández-de-Las-Peñas C, Angulo-Díaz-Parreño S, Arias-Buría JL, Mesa-Jiménez JA. Morphological Changes of the Suboccipital Musculature in Women with Myofascial Temporomandibular Pain: A Case-Control Study. Life (Basel) 2023; 13:life13051159. [PMID: 37240804 DOI: 10.3390/life13051159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Temporomandibular disorder (TMD) is an umbrella term including pain problems involving the cranio-cervical region. It has been suggested that patients with TMD also exhibit cervical spine disturbances. Evidence suggests the presence of morphological changes in the deep cervical muscles in individuals with headaches. The objective of this study was to compare the morphology of the suboccipital muscles between women with TMD and healthy controls. An observational, cross-sectional case-control study was conducted. An ultrasound examination of the suboccipital musculature (rectus capitis posterior minor, rectus capitis posterior major, oblique capitis superior, oblique capitis inferior) was conducted in 20 women with myofascial TMD and 20 matched controls. The cross-sectional area (CSA), perimeter, depth, width, and length of each muscle were calculated by a blinded assessor. The results revealed that women with myofascial TMD pain exhibited bilaterally reduced thickness, CSA, and perimeter in all the suboccipital muscles when compared with healthy women. The width and depth of the suboccipital musculature were similar between women with myofascial TMD and pain-free controls. This study found morphological changes in the suboccipital muscles in women with myofascial TMD pain. These changes can be related to muscle atrophy and are similar to those previously found in women with headaches. Future studies are required to investigate the clinical relevance of these findings by determining if the specific treatment of these muscles could help clinically patients with myofascial TMD.
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Affiliation(s)
- Daniel Ulman-Macón
- Department of Physical Therapy, Universidad San-Pablo CEU, 28660 Madrid, Spain
| | - César Fernández-de-Las-Peñas
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, 28922 Madrid, Spain
- Cátedra Institucional en Docencia, Clínica e Investigación en Fisioterapia, Terapia Manual, Punción Seca y Ejercicio Terapéutico, Universidad Rey Juan Carlos, Alcorcón, 28922 Madrid, Spain
- Máster Oficial en Dolor Orofacial y Disfunción Cráneo-Mandibular, Universidad San-Pablo CEU, 28660 Madrid, Spain
| | - Santiago Angulo-Díaz-Parreño
- Department of Physical Therapy, Universidad San-Pablo CEU, 28660 Madrid, Spain
- Máster Oficial en Dolor Orofacial y Disfunción Cráneo-Mandibular, Universidad San-Pablo CEU, 28660 Madrid, Spain
| | - José L Arias-Buría
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, 28922 Madrid, Spain
- Cátedra Institucional en Docencia, Clínica e Investigación en Fisioterapia, Terapia Manual, Punción Seca y Ejercicio Terapéutico, Universidad Rey Juan Carlos, Alcorcón, 28922 Madrid, Spain
- Máster Oficial en Dolor Orofacial y Disfunción Cráneo-Mandibular, Universidad San-Pablo CEU, 28660 Madrid, Spain
| | - Juan A Mesa-Jiménez
- Department of Physical Therapy, Universidad San-Pablo CEU, 28660 Madrid, Spain
- Máster Oficial en Dolor Orofacial y Disfunción Cráneo-Mandibular, Universidad San-Pablo CEU, 28660 Madrid, Spain
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Szuflak K, Malak R, Fechner B, Sikorska D, Samborski W, Mojs E, Gerreth K. The Masticatory Structure and Function in Children with Cerebral Palsy—A Pilot Study. Healthcare (Basel) 2023; 11:healthcare11071029. [PMID: 37046956 PMCID: PMC10094554 DOI: 10.3390/healthcare11071029] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/22/2023] [Accepted: 03/29/2023] [Indexed: 04/07/2023] Open
Abstract
(1) Background: Muscle tension around the head and neck influences orofacial functions. The data exist concerning head posture during increased salivation; however, little is known about muscle tightness during this process. This study aims to investigate whether or not any muscles are related to problems with eating, such as drooling in individuals with cerebral palsy; (2) Methods: Nineteen patients between the ages of 1 and 14 were examined prior to the physiotherapy intervention. This intervention lasted three months and consisted of: relaxing muscles via the strain-counterstrain technique, functional exercises based on the NeuroDevelopmental Treatment-Bobath method, and functional exercises for eating; (3) Results: the tone of rectus capitis posterior minor muscle on the left side (p = 0.027) and temporalis muscle on the right side (p = 0.048) before the therapy, and scalene muscle on the right side after the therapy (p = 0.024) were correlated with drooling behavior and were considered statistically significant. Gross motor function was not considered statistically significant with the occurrence of drooling behavior (p ≤ 0.05). Following the therapeutic intervention, the frequency of drooling during feeding decreased from 63.16% to 38.89% of the total sample of examined patients; (4) Conclusions: The tightness of the muscles in the head area can cause drooling during feeding.
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Affiliation(s)
- Karolina Szuflak
- Department of Risk Group Dentistry Chair of Pediatric Dentistry, Poznan University of Medical Sciences, 60-812 Poznan, Poland
- Doctoral School, Poznan University of Medical Sciences, 60-812 Poznan, Poland
| | - Roksana Malak
- Department and Clinic of Rheumatology, Rehabilitation, and Internal Medicine, Poznan University of Medical Sciences, 61-545 Poznan, Poland
| | - Brittany Fechner
- Department and Clinic of Rheumatology, Rehabilitation, and Internal Medicine, Poznan University of Medical Sciences, 61-545 Poznan, Poland
| | - Dorota Sikorska
- Department and Clinic of Rheumatology, Rehabilitation, and Internal Medicine, Poznan University of Medical Sciences, 61-545 Poznan, Poland
| | - Włodzimierz Samborski
- Department and Clinic of Rheumatology, Rehabilitation, and Internal Medicine, Poznan University of Medical Sciences, 61-545 Poznan, Poland
| | - Ewa Mojs
- Department of Clinical Psychology, Poznan University of Medical Sciences, 60-812 Poznan, Poland
| | - Karolina Gerreth
- Department of Risk Group Dentistry Chair of Pediatric Dentistry, Poznan University of Medical Sciences, 60-812 Poznan, Poland
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