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  1. Book: Techniques of neurolysis

    Racz, Gabor B. / Noe, Carl Edward

    2016  

    Author's details Gabor B. Racz ; Carl Edward Noe ed
    Keywords chronic pain management ; Epiduralysis ; Epidural Lysis of Adhesions ; neurolysis ; Racz procedure
    Language English
    Size XVI, 211 S. : zahlr. Ill., graph. Darst., 27.9 cm x 21 cm, 0 g
    Edition 2. ed.
    Publisher Springer
    Publishing place Cham
    Publishing country Switzerland
    Document type Book
    HBZ-ID HT018950396
    ISBN 978-3-319-27605-2 ; 978-3-319-27607-6 ; 3-319-27605-0 ; 3-319-27607-7
    Database Catalogue ZB MED Medicine, Health

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  2. Book ; Online: Pain and Treatment

    Racz, Gabor B. / Noe, Carl E.

    2014  

    Keywords Nursing research & theory ; Rehabilitation
    Size 1 electronic resource (344 pages)
    Publisher IntechOpen
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021049222
    ISBN 9789535172161 ; 9535172166
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  3. Book ; Online: Pain Management : Current Issues and Opinions

    Racz, Gabor B. / Noe, Carl E.

    2012  

    Keywords Veterinary medicine: infectious diseases & therapeutics ; Veterinary pharmacology
    Size 1 electronic resource (570 pages)
    Publisher IntechOpen
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021044996
    ISBN 9789535166337 ; 9535166336
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  4. Article ; Online: Response to "cervical radicular pain".

    Helm, Standiford / Noe, Carl / Racz, Gabor

    Pain practice : the official journal of World Institute of Pain

    2023  Volume 24, Issue 3, Page(s) 573–574

    MeSH term(s) Humans ; Radiculopathy ; Neck Pain
    Language English
    Publishing date 2023-11-04
    Publishing country United States
    Document type Letter
    ZDB-ID 2151272-3
    ISSN 1533-2500 ; 1530-7085
    ISSN (online) 1533-2500
    ISSN 1530-7085
    DOI 10.1111/papr.13316
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Book: Problems and advances in respiratory therapy

    Racz, Gabor

    (International anesthesiology clinics ; 24,1)

    1986  

    Author's details ed. by Gabor Racz
    Series title International anesthesiology clinics ; 24,1
    Collection
    Keywords Respiratory Therapy
    Language English
    Size XII, 176 S. : Ill., graph. Darst.
    Publisher Little, Brown and Co
    Publishing place Boston, Mass
    Publishing country United States
    Document type Book
    HBZ-ID HT002438842
    Database Catalogue ZB MED Medicine, Health

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  6. Article ; Online: Cervical Nerve Root Block Using a Curved Blunt Needle and Posterior Approach.

    Noe, Carl / van Hal, Michael / Helm Ii, Standiford / Racz, Gabor B

    Pain physician

    2024  Volume 27, Issue 3, Page(s) 161–168

    Abstract: Background: Cervical transforaminal epidural steroid injections have become less popular due to the risk of catastrophic complications they pose. However, cervical nerve root blocks are useful for surgical planning in patients with cervical radicular ... ...

    Abstract Background: Cervical transforaminal epidural steroid injections have become less popular due to the risk of catastrophic complications they pose. However, cervical nerve root blocks are useful for surgical planning in patients with cervical radicular pain syndromes.
    Objectives: Our aim was to find a method of performing cervical selective nerve root blocks that removed the risk of catastrophic complications.
    Study design: Retrospective case review.
    Setting: Academic multidisciplinary spine center.
    Methods: Among patients, 50 consecutive cases were retrospectively reviewed for immediate pain scores and follow-up results. In the intervention, a posterior approach using a curved blunt needle was employed for cervical selective nerve root blocks to minimize the risk of arterial injection. To measure the outcomes, we used quantitative pain severity scores and qualitative responses.
    Results: This technique detailed in this study has a high immediate analgesic effect that can be used for diagnostic purposes. It is not known if this technique has prognostic value with respect to surgery. The prolonged response rate is about 50%, which is in line with other techniques.
    Limitations: This study had no control group.
    Conclusion(s): Cervical selective nerve root blocks using a curved blunt needle and a posterior approach are effective in selectively identifying nerves that cause clinical symptoms. This technique minimizes the risk of arterial or spinal cord impingement and therefore may be safer than transforaminal selective nerve root blocks.
    MeSH term(s) Humans ; Retrospective Studies ; Spinal Nerve Roots/surgery ; Spinal Cord ; Radiculopathy/surgery ; Pain
    Language English
    Publishing date 2024-03-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2146393-1
    ISSN 2150-1149 ; 1533-3159
    ISSN (online) 2150-1149
    ISSN 1533-3159
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Fulminant Cervical Epidural Hematomas: Why Do They Happen, How Can We Minimize Their Occurrence, and What Can We Do When They Do Occur? A Perspective.

    Helm, Standiford / Sanapati, Mahendra R / Noe, Carl / Racz, Gabor

    Pain physician

    2023  Volume 26, Issue 5, Page(s) 449–456

    Abstract: Background: Epidural hematomas after appropriately performed cervicothoracic interlaminar epidural injections have been associated with the rapid onset of neurological symptoms and devastating outcomes, despite prompt identification and treatment. ... ...

    Abstract Background: Epidural hematomas after appropriately performed cervicothoracic interlaminar epidural injections have been associated with the rapid onset of neurological symptoms and devastating outcomes, despite prompt identification and treatment. Anticoagulation issues were initially felt to be the problem, but the occurrence of fulminant hematomas in patients without coagulation forced a reassessment of the causes and responses to this problem.
    Objectives: To evaluate why fulminant epidural hematomas occur after cervicothoracic epidural injections, with a literature review to survey knowledge about them in the surgical literature, and to offer comments as to what the interventional pain physician can do to minimize their occurrence.
    Study design: A perspective piece with a literature review.
    Settings: Interventional pain management practices.
    Methods: A perspective on the issue of fulminant cervical hematomas and an associated literature review.
    Results: Anatomical studies show that there are no meaningful arteries in the posterior epidural spaces which would explain hematomas. There is a dense posterior intravertebral epidural venous plexus at C1 and also at C6-C7 extending caudally to the upper thoracic region. A venous origin has been questioned because venous pressure was felt to be too low to explain the bleeding. The surgical literature, going back 80 years, contains numerous reports of engorged epidural veins causing radiculopathy and myelopathy. These engorged veins can occur in the presence or absence of spinal pathology. There is no known means of reliably identifying these engorged veins; they have been mistaken for disc protrusions. At least one report documents massive bleeding from these veins. Studies done on a feline model of cervical stenosis suggest that the epidural pressure can reach arterial levels.
    Limitations: No direct documentation of arterialized posterior intravertebral epidural venous pressures has been made. While anatomical anomalies and degeneration contribute to epidural scarring, we do not have a full understanding as to the cause of arterialization of veins, particularly in younger patients with no obvious intraspinal pathology.
    Conclusion: Fulminant cervicothoracic epidural hematomas after an epidural injection appear to arise from the unintentional and unavoidable puncture of arterialized veins with sharp needles. A technique to open a path out from the foramen so that the blood can escape is described. Alternatively, providers should consider injecting more cephalad, between C2-C3 and C6-C7 in the cervical spine, or an alternative procedure, such as a selective nerve root injection. A cervical transforaminal approach should only be attempted with a blunt needle, which cannot enter an artery. Should symptoms occur, cervical flexion rotation maneuvers should be implemented while awaiting prompt transfer to a facility where an appropriate diagnosis and treatment can be provided.
    Key words: Cervical epidural hematoma, cervical epidural injection, posterior intravertebral venous plexus, arterialized epidural veins, pressurized epidural veins.
    Language English
    Publishing date 2023-09-29
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2146393-1
    ISSN 2150-1149 ; 1533-3159
    ISSN (online) 2150-1149
    ISSN 1533-3159
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: A Morphometric Study Analyzing the Anterior Epidural Space Volume Throughout Childhood.

    Morgan, Ryan D / Kharbat, Abdurrahman F / Racz, Gabor / Nagy, Laszlo

    Pain physician

    2023  Volume 26, Issue 6, Page(s) E713–E717

    Abstract: Background: Following disc herniations, fragments migrate into the anterior epidural space within the lumbar spine. Although the volume of this area has been previously described in the adult population, the volume is relatively unknown within children.! ...

    Abstract Background: Following disc herniations, fragments migrate into the anterior epidural space within the lumbar spine. Although the volume of this area has been previously described in the adult population, the volume is relatively unknown within children.
    Objectives: Investigate the relative volume in the lumbar anterior epidural space within the growing spine by using imaging studies.
    Study design: Retrospective chart review.
    Setting: University Medical Center in Lubbock Texas. A teaching hospital affiliated with Texas Tech University Health Sciences Center.
    Methods: We conducted a retrospective review of the charts of pediatric patients seen at our institution from 2018 through 2020. Charts chosen for our investigation contained computed tomography imaging of the lumber spine, showing no deformities. Thirty patients were stratified equally among 3 age groups, 2-5 years old, 10-12 years old, and 16-18 years old. The anterior epidural space was measured in each patient 3 times using the previously reported method used by Teske et al (1). Results were compared with a combination of analysis of variance (ANOVA) and single tail paired t test.
    Results: There was a statistically significant difference in the anterior epidural space size among age groups at all levels of the lumbar spine. When comparing only 2 groups together, the younger age group had anterior epidural space sizes significantly smaller than the other age group for all levels of the lumbar spine. The 10-12 age group had a significantly smaller space in the anterior epidural space than the 16-18-year olds only at the level of L2, L4, and L5 (P = 0.048,0.039, and 0.031, respectively). Within the 16-18-year age group, the anterior epidural space was significantly different between L4 and L3 and L2 and L3 (P < 0.001 and P = 0.019, respectively).
    Limitations: Our study is limited by its retrospective nature and the sample size of the patient groups. Furthermore, the use of computed tomography imaging and not making physical measurements limits our accuracy.
    Conclusion: The volume of the anterior epidural space is smaller in the pediatric population than the adult population. The inability of herniated discs to fit within the epidural space in children and adolescents could potentially be the cause of the increased failure of conservative treatment for pediatric lumbar disc herniations.
    MeSH term(s) Adult ; Humans ; Child ; Adolescent ; Child, Preschool ; Intervertebral Disc Displacement/epidemiology ; Retrospective Studies ; Epidural Space/diagnostic imaging ; Lumbar Vertebrae/diagnostic imaging ; Tomography, X-Ray Computed
    Language English
    Publishing date 2023-10-17
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2146393-1
    ISSN 2150-1149 ; 1533-3159
    ISSN (online) 2150-1149
    ISSN 1533-3159
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Book: Techniques of neurolysis

    Racz, Gabor B.

    (Current management of pain ; 4)

    1989  

    Author's details ed. by Gabor B. Racz
    Series title Current management of pain ; 4
    Collection
    Keywords Chronic Disease / therapy ; Nerve Block / methods ; Pain / surgery
    Size XV, 218 S. : Ill., graph. Darst.
    Publisher Kluwer
    Publishing place Boston u.a.
    Publishing country United States
    Document type Book
    HBZ-ID HT003456300
    ISBN 0-89838-397-8 ; 978-0-89838-397-3
    Database Catalogue ZB MED Medicine, Health

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  10. Article ; Online: Hyaluronidase in Neuroplasty: A Review.

    Helm Ii, Standiford / Racz, Gabor

    Pain physician

    2019  Volume 22, Issue 6, Page(s) 555–560

    Abstract: Background: Neuroplasty, also known as percutaneous adhesiolysis, is an effective treatment for persistent axial and radicular pain.: Objectives: One issue of concern is whether hyaluronidase should be used when performing neuroplasty. The objective ... ...

    Abstract Background: Neuroplasty, also known as percutaneous adhesiolysis, is an effective treatment for persistent axial and radicular pain.
    Objectives: One issue of concern is whether hyaluronidase should be used when performing neuroplasty. The objective of this narrative review is to evaluate the current literature relating to hyaluronidase and its role in neuroplasty.
    Methods: The literature relating to hyaluronidase was examined via a search of PubMed and Google Scholar until April 2019, review of the citations of relevant literature, and the authors' knowledge of the literature and activity in the field. The literature was reviewed in light of hyaluronidase's physiologic role, allergenicity, medical uses, and evaluation specifically for neuroplasty.
    Results: Hyaluronidase facilitates the spread of medications in the extracellular matrix by breaking down polysaccharides in the interstitial space. While allergic reactions to hyaluronidase have been reported, these reactions occurred with animal-derived preparations. The current human recombinant hyaluronidase does not have any reports of allergic reactions. Laboratory studies show that it does not evoke an immune response. Hyaluronidase has been extensively used in a variety of medical applications, including intrathecal treatment of arachnoiditis.There have been multiple studies reporting benefit from the use of hyaluronidase in interventional procedures. One randomized trial specifically looking at the use of hyaluronidase in neuroplasty found that the addition of hyaluronidase improved pain ratings at 12 months compared to other techniques and decreased the number of procedures needed to gain effect.
    Limitations: There have been limited studies examining the enhanced efficacy of neuroplasty when hyaluronidase is added.
    Conclusions: Because of enhanced efficacy and safety, and because of the decrease in the number of procedures needed to be performed, hyaluronidase should be considered when deciding which medications to use when performing neuroplasty.
    Key words: Neuroplasty, adhesiolysis, hyaluronidase, spinal stenosis, failed back surgery synderome, post lumbar surgery syndrome.
    MeSH term(s) Humans ; Hyaluronoglucosaminidase/therapeutic use ; Lumbosacral Region ; Neurosurgical Procedures ; Pain/drug therapy ; Pain Management/methods ; Spinal Stenosis ; Treatment Outcome
    Chemical Substances Hyaluronoglucosaminidase (EC 3.2.1.35)
    Language English
    Publishing date 2019-11-27
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2146393-1
    ISSN 2150-1149 ; 1533-3159
    ISSN (online) 2150-1149
    ISSN 1533-3159
    Database MEDical Literature Analysis and Retrieval System OnLINE

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