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  1. Article ; Online: Sir William Thorburn and the first published report of the surgical repair of a brachial plexus injury.

    Siqueira, Mario Gilberto / Martins, Roberto Sergio

    Acta neurochirurgica

    2022  Volume 164, Issue 5, Page(s) 1311–1316

    Abstract: This historical vignette presents some aspects of the life of the English surgeon Sir William Thorburn and details of the first published report of the surgical repair of a brachial plexus stretch injury in an adult. ...

    Abstract This historical vignette presents some aspects of the life of the English surgeon Sir William Thorburn and details of the first published report of the surgical repair of a brachial plexus stretch injury in an adult.
    MeSH term(s) Adult ; Brachial Plexus/injuries ; Brachial Plexus/surgery ; Brachial Plexus Neuropathies/surgery ; Humans
    Language English
    Publishing date 2022-03-09
    Publishing country Austria
    Document type Journal Article
    ZDB-ID 80010-7
    ISSN 0942-0940 ; 0001-6268
    ISSN (online) 0942-0940
    ISSN 0001-6268
    DOI 10.1007/s00701-022-05166-1
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  2. Article: The Hoffmann-Tinel sign: Historical Background and Clinical Significance

    Siqueira, Mario Gilberto / Martins, Roberto Sergio

    Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery

    2023  

    Abstract: The Hoffmann-Tinel sign is well-known to professionals dealing with nerve lesions and is widely used as a provocative test. It was described by Paul Hoffman and Jules Tinel in the same year (1915), independently. In the present article, a biographical ... ...

    Abstract The Hoffmann-Tinel sign is well-known to professionals dealing with nerve lesions and is widely used as a provocative test. It was described by Paul Hoffman and Jules Tinel in the same year (1915), independently. In the present article, a biographical sketch of both authors is presented and the method for eliciting the sign and the sometimes controversial information of its results are discussed.
    Keywords hoffman-tinel sign ; tinel sign ; tingling sensation ; paul hoffmann ; jules tinel ; nerve regeneration ; sinal de Hoffmann-Tinel ; sinal de Tinel ; sensação de formigamento ; paul hoffmann ; jules tinel ; regeneração de nervos
    Language English
    Publishing date 2023-10-27
    Publisher Thieme Revinter Publicações Ltda.
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 2824608-1
    ISSN 2359-5922 ; 0103-5355 ; 2359-5922
    ISSN (online) 2359-5922
    ISSN 0103-5355 ; 2359-5922
    DOI 10.1055/s-0043-1776273
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  3. Article ; Online: Hand function outcomes following surgical treatment of complete neonatal brachial plexus palsy.

    Siqueira, Mario Gilberto / Heise, Carlos Otto / Martins, Roberto Sergio / Zaccariotto, Monise / Pessa, Mariana / Sterman-Neto, Hugo

    Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery

    2024  Volume 40, Issue 5, Page(s) 1455–1459

    Abstract: Purpose: Although re-innervation of the hand is considered a priority in the treatment of infants with complete brachial plexus injury, there is currently a paucity of publications investigating hand function outcomes following primary nerve ... ...

    Abstract Purpose: Although re-innervation of the hand is considered a priority in the treatment of infants with complete brachial plexus injury, there is currently a paucity of publications investigating hand function outcomes following primary nerve reconstruction in infants with neonatal brachial plexus palsy (NBPP). This study therefore aimed to evaluate hand function outcomes in a series of patients with complete NBPP.
    Methods: This retrospective case series included all patients who underwent primary nerve surgery for complete neonatal brachial plexus palsy over an 8-year period. Outcomes were assessed using the Raimond Hand Scale. Classification of grade 3 or higher indicates a functional hand (assistance in bimanual activity).
    Results: Nineteen patients with a complete NBPP underwent primary nerve reconstruction at a mean age of 3.7 months. Periodic clinical evaluations were performed until at least 4 years of age. According to the Raimondi hand scale, one patient did not recover (grade 0), three patients attained grade 1, four grade 2, ten grade 3, and in one grade 4. Overall hand functional recovery was achieved in 57.8% (11/19) of patients.
    Conclusion: Sufficient recovery of hand function to perform bimanual activity tasks in patients with complete NBPP lesions is possible and should be a priority in the surgical treatment of these infants.
    MeSH term(s) Infant, Newborn ; Infant ; Humans ; Neonatal Brachial Plexus Palsy/surgery ; Retrospective Studies ; Brachial Plexus Neuropathies/surgery ; Brachial Plexus ; Neurosurgical Procedures
    Language English
    Publishing date 2024-01-06
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 605988-0
    ISSN 1433-0350 ; 0302-2803 ; 0256-7040
    ISSN (online) 1433-0350
    ISSN 0302-2803 ; 0256-7040
    DOI 10.1007/s00381-023-06269-5
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  4. Article: Fibrolipomatous hamartoma of the median nerve: An unusual cause of carpal tunnel syndrome.

    Siqueira, Mario Gilberto / Martins, Roberto Sérgio / Foroni, Luciano / de Oliveira, Adilson J M / Lordelo, Gustavo / Heise, Carlos Otto

    Clinical case reports

    2023  Volume 11, Issue 3, Page(s) e7022

    Abstract: Fibrolipomatous hamartoma is a rare benign tumor-like condition that affects most commonly the median nerve. The diagnosis is usually confirmed through its typical appearance on magnetic resonance imaging (MRI) without the need for a nerve biopsy. There ... ...

    Abstract Fibrolipomatous hamartoma is a rare benign tumor-like condition that affects most commonly the median nerve. The diagnosis is usually confirmed through its typical appearance on magnetic resonance imaging (MRI) without the need for a nerve biopsy. There are divergent views regarding treatment of this entity, but open carpal tunnel release for nerve decompression currently constitutes the standard care for alleviation of compressive neuropathy of the median nerve. In this report, we describe a case of fibrolipomatous hamartoma that was diagnosed via MRI and underwent open carpal tunnel release, with alleviation of the patient's symptoms.
    Language English
    Publishing date 2023-03-02
    Publishing country England
    Document type Case Reports
    ZDB-ID 2740234-4
    ISSN 2050-0904
    ISSN 2050-0904
    DOI 10.1002/ccr3.7022
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  5. Article ; Online: Conservative therapeutic management of carpal tunnel syndrome.

    Martins, Roberto Sérgio / Siqueira, Mário Gilberto

    Arquivos de neuro-psiquiatria

    2017  Volume 75, Issue 11, Page(s) 819–824

    Abstract: Carpal tunnel syndrome is the most prevalent nerve compression and can be clinically or surgically treated. In most cases, the first therapeutic alternative is conservative treatment but there is still much controversy regarding the most effective ... ...

    Abstract Carpal tunnel syndrome is the most prevalent nerve compression and can be clinically or surgically treated. In most cases, the first therapeutic alternative is conservative treatment but there is still much controversy regarding the most effective modality of this treatment. In this study, we critically evaluated the options of conservative treatment for carpal tunnel syndrome, aiming to guide the reader through the conventional options used in this therapy.
    MeSH term(s) Carpal Tunnel Syndrome/therapy ; Humans
    Language English
    Publishing date 2017-11
    Publishing country Brazil
    Document type Journal Article ; Review
    ZDB-ID 418916-4
    ISSN 1678-4227 ; 0004-282X
    ISSN (online) 1678-4227
    ISSN 0004-282X
    DOI 10.1590/0004-282X20170152
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  6. Article ; Online: True neurogenic thoracic outlet syndrome: late outcomes from a surgical series.

    Martins, Roberto Sergio / Zaccariotto, Monise / Siqueira, Mario Gilberto / Heise, Carlos Otto / Neto, Hugo Sterman / Teixeira, Manoel Jacobsen

    Acta neurochirurgica

    2022  Volume 164, Issue 10, Page(s) 2673–2681

    Abstract: Background: True neurogenic thoracic outlet syndrome (TNTOS) is rare, and evaluation of surgical treatment is limited to a few studies in the literature. The purpose of this study is to present the results from a surgical series of 21 patients with ... ...

    Abstract Background: True neurogenic thoracic outlet syndrome (TNTOS) is rare, and evaluation of surgical treatment is limited to a few studies in the literature. The purpose of this study is to present the results from a surgical series of 21 patients with TNTOS.
    Methods: Retrospective analysis on 21 patients diagnosed with TNTOS who underwent surgery. Demographic data and neurological status were characterized, and patients were classified in accordance with a pre-established scale for assessing the severity of hand impairment before and after surgery. Neuropathic pain was assessed using a visual analogue scale (VAS) and functional disability was quantified using the QuickDASH questionnaire. The results from before and after surgery were compared using the Wilcoxon test, and the significance level was taken to be 5%.
    Results: There was a significant difference in VAS values from before to after the operation (Wilcoxon test: p = 0.0001; r = 0.86). Most patients (90%) improved after surgery, and in 85% of these patients, the VAS improvement was greater than 50%. Improvement in hand function occurred in seven patients (33.3%), and in most of these cases (28.6%), this improvement was classified as mild. Most patients (93.3%) showed moderate to very severe functional disability at the end of the follow-up.
    Conclusion: After surgery, only one-third of the cases showed improvement in motor function and most patients had significant functional disability. However, the improvement regarding pain was significant. Surgery to control this symptom should be recommended, even in cases of late presentation and severe motor impairment.
    MeSH term(s) Decompression, Surgical/methods ; Hand/surgery ; Humans ; Retrospective Studies ; Thoracic Outlet Syndrome/diagnosis ; Thoracic Outlet Syndrome/surgery ; Treatment Outcome ; Upper Extremity/surgery
    Language English
    Publishing date 2022-07-29
    Publishing country Austria
    Document type Journal Article
    ZDB-ID 80010-7
    ISSN 0942-0940 ; 0001-6268
    ISSN (online) 0942-0940
    ISSN 0001-6268
    DOI 10.1007/s00701-022-05319-2
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  7. Article: Conservative therapeutic management of carpal tunnel syndrome

    Martins, Roberto Sérgio / Siqueira, Mário Gilberto

    Arquivos de Neuro-Psiquiatria

    2017  Volume 75, Issue 11, Page(s) 819–824

    Abstract: Carpal tunnel syndrome is the most prevalent nerve compression and can be clinically or surgically treated. In most cases, the first therapeutic alternative is conservative treatment but there is still much controversy regarding the most effective ... ...

    Abstract Carpal tunnel syndrome is the most prevalent nerve compression and can be clinically or surgically treated. In most cases, the first therapeutic alternative is conservative treatment but there is still much controversy regarding the most effective modality of this treatment. In this study, we critically evaluated the options of conservative treatment for carpal tunnel syndrome, aiming to guide the reader through the conventional options used in this therapy.
    Keywords carpal tunnel syndrome ; median nerve ; conservative treatment ; síndrome do túnel do carpo ; nervo mediano ; tratamento conservador
    Language English
    Publishing date 2017-11-01
    Publisher Thieme Revinter Publicações Ltda.
    Publishing place Stuttgart ; New York
    Document type Article
    ZDB-ID 418916-4
    ISSN 1678-4227 ; 0004-282X
    ISSN (online) 1678-4227
    ISSN 0004-282X
    DOI 10.1590/0004-282X20170152
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  8. Article ; Online: Correlation between motor function recovery and daily living activity outcomes after brachial plexus surgery.

    Ferreira, Sonia Regina / Martins, Roberto Sérgio / Siqueira, Mário G

    Arquivos de neuro-psiquiatria

    2017  Volume 75, Issue 9, Page(s) 631–634

    Abstract: Objective: To establish the correlation between clinical evaluation of motor function recovery and daily living activities in 30 patients with upper traumatic brachial plexus injury submitted to surgery.: Methods: The score of the Disabilities of the ...

    Abstract Objective: To establish the correlation between clinical evaluation of motor function recovery and daily living activities in 30 patients with upper traumatic brachial plexus injury submitted to surgery.
    Methods: The score of the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire and the Louisiana State University Health Sciences Center (LSUHSC) scale were determined in 30 patients. Epidemiologic factors were also examined and correlations were determined.
    Results: There was a significant correlation between the clinical evaluation and the daily living activities after a 12-month period (r = 0.479 and p = 0.007). A direct correlation was observed between the functional recovery of the upper limb and the time between injury and surgery (r = 0.554 and p = 0.001). The LSUHSC scores (p = 0.049) and scores from the DASH questionnaire (p = 0.013) were better among patients who returned to work.
    Conclusions: Clinical evaluation and daily living activities in adult patients who underwent nerve transfer after brachial plexus injury showed significant and measurable improvements.
    Language English
    Publishing date 2017-09
    Publishing country Brazil
    Document type Journal Article
    ZDB-ID 418916-4
    ISSN 1678-4227 ; 0004-282X
    ISSN (online) 1678-4227
    ISSN 0004-282X
    DOI 10.1590/0004-282X20170090
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  9. Article ; Online: The nerve to the levator scapulae muscle as donor in brachial plexus surgery: an anatomical study and case series.

    Martins, Roberto Sergio / Siqueira, Mario Gilberto / Heise, Carlos Otto / Foroni, Luciano / Neto, Hugo Sterman / Teixeira, Manoel Jacobsen

    Journal of neurosurgery

    2021  Volume 135, Issue 4, Page(s) 1223–1230

    Abstract: Objective: Nerve transfers are commonly used in treating complete injuries of the brachial plexus, but donor nerves are limited and preferentially directed toward the recovery of elbow flexion and shoulder abduction. The aims of this study were to ... ...

    Abstract Objective: Nerve transfers are commonly used in treating complete injuries of the brachial plexus, but donor nerves are limited and preferentially directed toward the recovery of elbow flexion and shoulder abduction. The aims of this study were to characterize the anatomical parameters for identifying the nerve to the levator scapulae muscle (LSN) in brachial plexus surgery, to evaluate the feasibility of transferring this branch to the suprascapular nerve (SSN) or lateral pectoral nerve (LPN), and to present the results from a surgical series.
    Methods: Supra- and infraclavicular exposure of the brachial plexus was performed on 20 fresh human cadavers in order to measure different anatomical parameters for identification of the LSN. Next, an anatomical and histomorphometric evaluation of the feasibility of transferring this branch to the SSN and LPN was made. Lastly, the effectiveness of the LSN-LPN transfer was evaluated among 10 patients by quantifying their arm adduction strength.
    Results: The LSN was identified in 95% of the cadaveric specimens. A direct coaptation of the LSN and SSN was possible in 45% of the specimens (n = 9) but not between the LSN and LPN in any of the specimens. Comparison of axonal counts among the three nerves did not show any significant difference. Good results from reinnervation of the major pectoral muscle (Medical Research Council grade ≥ 3) were observed in 70% (n = 7) of the patients who had undergone LSN to LPN transfer.
    Conclusions: The LSN is consistently identified through a supraclavicular approach to the brachial plexus, and its transfer to supply the functions of the SSN and LPN is anatomically viable. Good results from an LSN-LPN transfer are observed in most patients, even if long nerve grafts need to be used.
    Language English
    Publishing date 2021-01-29
    Publishing country United States
    Document type Journal Article
    ZDB-ID 3089-2
    ISSN 1933-0693 ; 0022-3085
    ISSN (online) 1933-0693
    ISSN 0022-3085
    DOI 10.3171/2020.8.JNS201216
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: A rare cause of ulnar nerve entrapment at the elbow in a patient with leprosy.

    de Oliveira, Adilson José Manuel / Sterman, Hugo / Martins, Roberto Sérgio / Foroni, Luciano Henrique / Siqueira, Mário Gilberto

    Autopsy & case reports

    2019  Volume 9, Issue 3, Page(s) e2019096

    Language English
    Publishing date 2019-07-12
    Publishing country Brazil
    Document type Journal Article
    ZDB-ID 2815488-5
    ISSN 2236-1960
    ISSN 2236-1960
    DOI 10.4322/acr.2019.096
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