Introducing a new possible predisposing risk factor for odontoid type 2 fractures after cervical trauma; Ponticulus posticus anomaly of C1 vertebra

Özdemi̇r, Bülent; Kanat, Ayhan; Durmaz, Serdar; Batçık, Osman Ersegun; Gündoğdu, Hasan

doi:10.1016/j.jocn.2021.11.013

Cited by 16 publications

(14 citation statements)

References 22 publications

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“…The dens has only half of its original strength immediately after screw fixation and will gain its normal strength when the fracture is fully healed. 14,[16][17][18] The Initial Results of the FEAOF In our study, all patients achieved the goal of surgery including acceptable fracture reduction, good screw position with secure fixation resulted in solid bony union and gain a good range of neck motion without any surgical complications as mentioned.…”

Section: Discussionmentioning

confidence: 89%

“…This study had some limitations regarding the validity, how accurately an investigation answers the study question, and the strength of the study conclusions 14 . In this study, validity refers to how endoscopic technique is useful for odontoid type 2 fractures which the authors reported only four cases, so that one should keep in mind that this study reported only a small number of patients, which is our limitation, thus the validation of this technique could be achieved from a prospective study in the future.…”

Section: Discussionmentioning

confidence: 94%

“…However, these fractures have the poorest prognosis; the fracture line occurs through the waist of the odontoid process, often resulting in nonunion 2 . The upper cervical spine is different from the rest of the subaxial cervical spine, 14 because atlantooccipital joints bear more than 50% of the flexion and extension motion in the cervical spine, and the normal atlantoaxial joint is responsible for 50% of cervical spine rotation 15 . The discovery of X‐Ray in 1895 brought about a shift of paradigm in the practice of spinal surgery 12 .…”

Section: Discussionmentioning

confidence: 99%

“…Using an orthosis for 4 to 6 weeks postoperatively helps reduce the load to the cervical spine and remains an important step in the anterior screw fixation method. The dens has only half of its original strength immediately after screw fixation and will gain its normal strength when the fracture is fully healed 14,16–18 …”

Section: Discussionmentioning

confidence: 99%

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Full‐Endoscopic Anterior Odontoid Screw Fixation: A Novel Surgical Technique

Kotheeranurak

Pholprajug²,

Jitpakdee

et al. 2022

Orthopaedic Surgery

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Objective: First, to propose a novel minimally invasive technique of full-endoscopic anterior odontoid fixation (FEAOF) that aims to reduce the risk of retropharyngeal approach (both open and percutaneous techniques) to anterior odontoid screw fixation. Second, to describe steps of the procedure and, lastly, to report the initial outcomes in patients treated with this novel technique.Methods: Four non-consecutive patients who were diagnosed with a displaced odontoid fracture (Anderson-D'Alonzo classification type II and Grauer subclassification type A or B) from 2019 to 2020 underwent surgical fixation by our novel technique for anterior odontoid screw fixation. A detailed technical approach of FEAOF for the surgical treatment of type II odontoid fractures was described, and the patients' outcomes based on postoperative radiographic results including computed tomography (CT), clinical outcome parameters including visual analogue scale (VAS) for neck pain both preoperatively and at postoperative follow-up, and range of neck motion at the final follow-up were reported. Results:The mean age was 33.5 years (24-41), three patients were male. The mean operative time was 93.75 min, and the mean blood loss was 7.5 ml. An immediate post-operative thin-sliced CT showed that all patients achieved satisfactory reduction and proper screw position. No screw malposition or penetration was found. At a 6-month follow-up, a thin-sliced CT demonstrated solid bony union in every case. The mean VAS for neck pain was reduced from 6.5 to 0.6 at the 6-months follow-up. At the final follow-up, all patients showed improvement in ranges of motion without any complications; however, one patient was lost to follow-up.Conclusions: FEAOF is a feasible and effective option for treating type II odontoid fractures. The procedure is less invasive than other techniques and provides clear direct visualization of the involved structures.

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Section: Discussionmentioning

confidence: 89%

Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Full‐Endoscopic Anterior Odontoid Screw Fixation: A Novel Surgical Technique

Kotheeranurak

Pholprajug²,

Jitpakdee

et al. 2022

Orthopaedic Surgery

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“…The prevalence of PL was reported to be 1.8–3.8% lower than PP ( 20 – 23 ). PL is difficult to be identified from anteroposterior and lateral radiographs and was rarely reported in previous literature as a result.…”

Section: Resultsmentioning

confidence: 99%

Research Progress of Ponticulus Posticus: A Narrative Literature Review

Zhu

Ding

et al. 2022

Front. Surg.

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Study DesignNarrative review.ObjectiveThe purpose of this review was to consolidate the current literature related to ponticulus posticus (PP) and to improve the systematic understanding of this anatomical variant of atlas among spine surgeons.MethodsArticles reviewed were searched in PubMed, Ovid MEDLINE, and Embase. All articles of any study design discussing on PP were considered for inclusion. Two independent authors read article titles and abstracts and included appropriate articles. The relevant articles were studied in full text.ResultsA total of 113 literatures were reviewed and consolidated in this narrative review. These articles are roughly divided into the following five subcategories: (1) epidemiology, (2) pathology and anatomy, (3) clinical presentation, (4) surgical significance, and (5) radiographic examination.ConclusionThe PP is non-negligible with a high prevalence. The PP compresses the V3 segment of the artery, the suboccipital nerve, and the venous plexus, consequently contributing to the incidence of neurological pathologies. When a PP is observed or suspected on a lateral radiograph, we recommend that a computed tomography (CT) scan of a patient who is about to receive a C1 lateral mass screw (C1LMS) should be performed, which could determine a safe entry point and the right trajectory of screw insertion.

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Does the anesthesia technique of cesarean section cause persistent low back pain after delivery? A retrospective analysis

et al. 2022

Self Cite

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Objective Cesarean sections (CS) under spinal anesthesia may lead to newly developed low back pain (LBP) after anesthesia. The cause of this pain is still unknown. This subject was investigated. Methods The persistent LBP after the section was retrospectively analyzed in patients who were operated on under spinal or general anesthesia between January 1, 2018, and January 1, 2020. Result General anesthesia was used in 52 women, but 251 women were operated on under spinal anesthesia. Newly developed persistent LBP was detected in 57 (18,8%) of a total of 303 patients. Of those patients with LBP, general anesthesia was used in 14 of 52 (26,9%) patients, but 43 of 251 (17.1%) patients received spinal anesthesia. Baby weight after CS was the only variable associated with persistent LBP after 3 and 6 months ( P < 0.05) in multiple logistic regression analysis. Patient age and anesthesia type were not associated with persistent LBP ( P > 0.05). Conclusion This study shows anesthesia type as spinal or general was not associated with increased persistent LBP. Performing more spinal than general anesthesia in the cesarean section may be false data about the increased rate of LBP after CS.

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Introducing a new possible predisposing risk factor for odontoid type 2 fractures after cervical trauma; Ponticulus posticus anomaly of C1 vertebra

Cited by 16 publications

References 22 publications

Full‐Endoscopic Anterior Odontoid Screw Fixation: A Novel Surgical Technique

Full‐Endoscopic Anterior Odontoid Screw Fixation: A Novel Surgical Technique

Research Progress of Ponticulus Posticus: A Narrative Literature Review

Does the anesthesia technique of cesarean section cause persistent low back pain after delivery? A retrospective analysis

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