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Jengojan S, Sorgo P, Kasprian G, Streicher J, Gruber G, Moser V, Bodner G. Ultrasound-guided minimally invasive thread release of Guyon's canal: initial experience in cadaveric specimens. Eur Radiol Exp 2024; 8:56. [PMID: 38714623 PMCID: PMC11076429 DOI: 10.1186/s41747-024-00456-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/11/2024] [Indexed: 05/10/2024] Open
Abstract
OBJECTIVE Guyon's canal syndrome is caused by compression of the ulnar nerve at the wrist, occasionally requiring decompression surgery. In recent times, minimally invasive approaches have gained popularity. The aim of this study was to assess the efficacy and safety of ultrasound-guided thread release for transecting the palmar ligament in Guyon's canal without harming surrounding structures, in a cadaveric specimen model. METHODS After ethical approval, thirteen ultrasound-guided thread releases of Guyon's canal were performed on the wrists of softly embalmed anatomic specimens. Cadavers showing injuries or prior operations at the hand were excluded. Subsequently, the specimens were dissected, and the outcome of the interventions and potential damage to adjacent anatomical structures as well as ultrasound visibility were evaluated with a score from one to three. RESULTS Out of 13 interventions, a complete transection was achieved in ten cases (76.9%), and a partial transection was documented in three cases (23.1%). Irrelevant lesions on the flexor tendons were observed in two cases (15.4%), and an arterial branch was damaged in one (7.7%). Ultrasound visibility varied among specimens, but essential structures were delineated in all cases. CONCLUSION Ultrasound-guided thread release of Guyon's canal has shown promising first results in anatomic specimens. However, further studies are required to ensure the safety of the procedure. RELEVANCE STATEMENT Our study showed that minimally invasive ultrasound-guided thread release of Guyon's canal is a feasible approach in the anatomical model. The results may provide a basis for further research and refinement of this technique. KEY POINTS • In Guyon's canal syndrome, the ulnar nerve is compressed at the wrist, often requiring surgical release. • We adapted and tested a minimally invasive ultrasound-guided thread release technique in anatomic specimens. • The technique was effective; however, in one specimen, a small anatomic branch was damaged.
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Affiliation(s)
- Suren Jengojan
- Department of Biomedical Imaging and Image-Guided Therapy, Division of Neuroradiology and Musculoskeletal Radiology, Medical University of Vienna, Waehringer Gürtel 18-20, 1090, Vienna, Austria.
| | - Philipp Sorgo
- Department of Biomedical Imaging and Image-Guided Therapy, Division of Neuroradiology and Musculoskeletal Radiology, Medical University of Vienna, Waehringer Gürtel 18-20, 1090, Vienna, Austria
- Department of Anatomy and Developmental Biology, Karl Landsteiner University of Health Sciences, Dr.-Karl-Dorrek-Straße 30, 3500, Krems, Austria
| | - Gregor Kasprian
- Department of Biomedical Imaging and Image-Guided Therapy, Division of Neuroradiology and Musculoskeletal Radiology, Medical University of Vienna, Waehringer Gürtel 18-20, 1090, Vienna, Austria
| | - Johannes Streicher
- Department of Anatomy and Developmental Biology, Karl Landsteiner University of Health Sciences, Dr.-Karl-Dorrek-Straße 30, 3500, Krems, Austria
| | - Gerlinde Gruber
- Department of Anatomy and Developmental Biology, Karl Landsteiner University of Health Sciences, Dr.-Karl-Dorrek-Straße 30, 3500, Krems, Austria
| | - Veith Moser
- Department of Trauma Surgery, Lorenz Boehler Hospital, Donaueschingenstraße 13, 1200, Vienna, Austria
| | - Gerd Bodner
- Neuromuscular Imaging Ordinationszentrum Döbling, Heiligenstaedter Straße 55-63, 1190, Vienna, Austria
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Castro-Menéndez M, Balvís-Balvís P, Oiartzabal-Alberdi I, Ferradás-García L, González-Rodríguez E, Yañez-Calvo J. [Translated article] Percutaneous ultrasound-guided section of the transverse carpal ligament vs. open surgery for the surgical treatment of carpal tunnel syndrome (CTS). Rev Esp Cir Ortop Traumatol (Engl Ed) 2023; 67:T297-T308. [PMID: 36863516 DOI: 10.1016/j.recot.2023.02.023] [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: 08/05/2022] [Accepted: 12/15/2022] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND AND OBJECTIVE The gold standard of carpal tunnel syndrome (CTS) treatment is the section of the transverse carpal ligament, the most common technique being the palmar cutaneous incision. Percutaneous techniques have been developed, although their risk/benefit ratio remains controversial. OBJECTIVE To analyse the functional outcome of patients undergoing CTS percutaneously ultrasound-guided and compare it with those of open surgery. MATERIAL AND METHOD Prospective observational cohort study of 50 patients undergoing CTS (25 percutaneous with WALANT technique and 25 by open surgery with local anaesthesia and tourniquet). Open surgery was performed using a short palmar incision. The percutaneous technique was performed anterograde using the Kemis H3® scalpel (Newclip). A preoperative and postoperative assessment was performed at 2 weeks, 6 weeks and 3 months. Demographic data, presence of complications, grip strength and Levine test score (BCTQ) were collected. RESULTS The sample consists of 14 men and 36 women with a mean age of 51.4 years (95% CI: 48.4-54.5). Percutaneous technique was performed anterograde using the Kemis H3® scalpel (Newclip). All patients improved from their CTS clinic without obtaining statistically significant differences in BCTQ score, nor in the presence of complications (p>0.05). Patients operated on percutaneously recovered faster grip strength at 6 weeks, but it was similar in the final review. CONCLUSIONS In view of the results obtained, percutaneous ultrasound-guided surgery is a good alternative for the surgical treatment of CTS. Logically, this technique requires its learning curve and familiarisation with the ultrasound visualisation of the anatomical structures to be treated.
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Affiliation(s)
- M Castro-Menéndez
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, Spain.
| | - P Balvís-Balvís
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, Spain
| | - I Oiartzabal-Alberdi
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, Spain
| | - L Ferradás-García
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, Spain
| | - E González-Rodríguez
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, Spain
| | - J Yañez-Calvo
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, Spain
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Govender S, Cronjé JY, Keough N, Oberholster AJ, van Schoor AN, de Jager EJ, Naicker J. Emerging Imaging Techniques in Anatomy: For Teaching, Research and Clinical Practice. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1392:19-42. [DOI: 10.1007/978-3-031-13021-2_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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Castro-Menéndez M, Balvís-Balvís P, Oiartzabal-Alberdi I, Ferradás-García L, González-Rodríguez E, Yañez-Calvo J. Percutaneous ultrasound-guided section of the transverse carpal ligament vs open surgery for the surgical treatment of carpal tunnel syndrome (CTS). Rev Esp Cir Ortop Traumatol (Engl Ed) 2022:S1888-4415(22)00365-4. [PMID: 36565804 DOI: 10.1016/j.recot.2022.12.015] [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: 08/05/2022] [Revised: 10/24/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVE The gold standard of carpal tunnel syndrome (CTS) treatment is the section of the transverse carpal ligament, the most common technique being the palmar cutaneous incision. Percutaneous techniques have been developed, although their risk/benefit ratio remains controversial. OBJECTIVE To analyze the functional outcome of patients undergoing CTS percutaneously ultrasound-guided and compare it with those of open surgery. MATERIAL AND METHOD Prospective observational cohort study of 50 patients undergoing CTS (25 percutaneous with WALANT technique and 25 by open surgery with local anesthesia and tourniquet). Open surgery was performed using a short palmar incision. The percutaneous technique was performed anterograde using the Kemis® H3 scalpel (Newclip). A preoperative and postoperative assessment was performed at 2 weeks, 6 weeks and 3 months. Demographic data, presence of complications, grip strength and Levine test score (BCTQ) were collected. RESULTS The sample consists of 14 men and 36 women with a mean age of 51.4 years (95% CI: 48.4-54.5). Percutaneous technique was performed anterograde using the Kemis® H3 scalpel (Newclip). All patients improved from their CTS clinic without obtaining statistically significant differences in BCTQ score, nor in the presence of complications (p> 0.05). Patients operated on percutaneously recovered faster grip strength at 6 weeks, but it was similar in the final review. CONCLUSIONS In view of the results obtained, percutaneous ultrasound-guided surgery is a good alternative for the surgical treatment of CTS. Logically, this technique requires its learning curve and familiarization with the ultrasound visualization of the anatomical structures to be treated.
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Affiliation(s)
- M Castro-Menéndez
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, España.
| | - P Balvís-Balvís
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, España
| | - I Oiartzabal-Alberdi
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, España
| | - L Ferradás-García
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, España
| | - E González-Rodríguez
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, España
| | - J Yañez-Calvo
- Unidad de Miembro Superior, Servicio de Cirugía Ortopédica y Traumatología, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, España
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Park J, Kim IJ, Park HY, Heo DJ, Kim JM. A clinical study of thread carpal tunnel release with a newly developed thread: A retrospective pilot study. PLoS One 2022; 17:e0276630. [PMID: 36269730 PMCID: PMC9586357 DOI: 10.1371/journal.pone.0276630] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 10/10/2022] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Previous studies have shown that, thread carpal tunnel release (TCTR), an ultrasound-guided transverse carpal ligament (TCL) transection procedure through needle and thread, to be a safe and effective technique for carpal tunnel release, compared to an open and endoscopic technique. We developed a newly improved thread (Smartwire-01, 0.27mm in diameter, Korea). This pilot study was performed to propose the effectiveness of TCTR with Smartwire-01 compared to the commercial thread in clinical settings. METHODS A total of 22 TCTR procedures have been performed on 19 patients by one physiatrist during a 42-month period. The diagnosis of carpal tunnel syndrome was based on standard clinical criteria including electromyography (EMG). Patients were divided into two groups, one dissected with commercial thread and the other with Smartwire-01. The technique was standardized by keeping the entry point at the middle of the palm and the exit point at just medial to the palmaris longus tendon. The Numeric Rating Scale and Boston Carpal Tunnel Syndrome Questionnaire (BCTQ) were used to assess monthly outcomes for 6 months following the procedure. The Wilcoxon signed rank test and the Mann-Whitney-U test were performed to analyze the above variables in the two groups. RESULTS There was no definite evidence that the two groups have significant differences for any of the surveyed variables. The TCTR procedure with our newly developed thread also had significant improvements for all variables, showing its effectiveness in both pain and functional ability. The NRS and BCTQ severity and functional scales showed significant decreases just after the dissection and progressive improvement during each monthly follow-up of our study until the last assessment at 6 months. CONCLUSION The study suggests that, our newly developed thread is as safe and effective as the commercial thread in TCTR, we therefore recommend a randomize controlled trial with above methodology.
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Affiliation(s)
- Jisoo Park
- Department of Rehabilitation Medicine, Incheon St. Mary`s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - In Jong Kim
- Department of Rehabilitation Medicine, Howareyou Rehabilitation Clinic, Seoul, Republic of Korea
| | - Hae-yeon Park
- Department of Rehabilitation Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Dong jin Heo
- Department of Rehabilitation Medicine, Incheon St. Mary`s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jae Min Kim
- Department of Rehabilitation Medicine, Incheon St. Mary`s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- * E-mail:
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Krigers A, Kriwan F, Freyschlag CF, Thomé C, Fritsch H. The distance between the distal margin of the flexor retinaculum and the radiocarpal joint as a landmark in CTS surgery: a cadaver study. Ann Anat 2022; 245:152003. [PMID: 36183941 DOI: 10.1016/j.aanat.2022.152003] [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: 03/12/2022] [Revised: 08/22/2022] [Accepted: 08/25/2022] [Indexed: 10/14/2022]
Abstract
BACKGROUND The most frequent peripheral entrapment neuropathy is compression of the median nerve in the carpal tunnel, known as carpal tunnel syndrome. The most effective treatment is surgery, where the flexor retinaculum (FR1) is divided. Nevertheless, after this operation, a significant number of patients suffer from persistent symptoms due to incomplete FR distal release. It may be difficult to identify the distal boundary of the FR due to the minimal skin incision. We aimed to identify an anatomical landmark to avoid incomplete distal FR release. The radiocarpal (RC2) joint can be palpated, and lies in close proximity to the boundaries of the FR. Thus, the distance between the RC joint space and the distal FR margin - the RC-FR distance - could be a reliable and individual morphologic measurement from easily acquired regional anthropological measurements. METHODS During this study, 39 radiocarpal regions of 23 embalmed cadavers were dissected, and measurements were taken. Linear regression corresponding to the ulnar length and the RC-FR distance was established. RESULTS The mean RC-FR distance from the RC joint space to the distal FR margin was 3.8cm (95% CI 3.5-4.0), and the range was 2.3 to 5.1cm. This distance was 1.1cm (95% CI 0.8-1.4) longer in males than in females (p < 0.00001), and there were no side-specific differences. The individual projection of the distal FR margin in centimeters can be calculated by measurement of the ipsilateral ulnar length divided by 4 and reduced by 2.9, p < 0.005. CONCLUSIONS The side-equal and sex-specific position of the distal flexor retinaculum margin could be calculated from the palpable radiocarpal joint space based on the ipsilateral ulnar length.
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Affiliation(s)
- Aleksandrs Krigers
- Department of Neurosurgery, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria; Division of Clinical & Functional Anatomy, Medical University of Innsbruck, Muellerstrasse 59, 6020, Innsbruck, Austria.
| | - Fabian Kriwan
- Division of Clinical & Functional Anatomy, Medical University of Innsbruck, Muellerstrasse 59, 6020, Innsbruck, Austria
| | - Christian F Freyschlag
- Department of Neurosurgery, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Claudius Thomé
- Department of Neurosurgery, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Helga Fritsch
- Division of Clinical & Functional Anatomy, Medical University of Innsbruck, Muellerstrasse 59, 6020, Innsbruck, Austria
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Abstract
During the past 2 decades, increased powerful and quality ultrasound devices have contributed to developing ultrasound surgery more specifically for the hand. Carpal tunnel release under ultrasound now is available as a safe technique. The procedure uses a specific device. A detailed surgical technique is presented. The role of sonography is emphasized. This article discusses the results of the 150 first cases. The author's experience is compared with other ultrasound-guided carpal tunnel release procedures. Outcome quality optimized by the ultra-mini-invasive approach and ultrasound should increase its use.
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Affiliation(s)
- Isabelle David
- Department of Hand Surgery, Belledonne Private Hospital, 83 Avenue Gabriel Péri, Saint-Martin d'Hères 38400.
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de la Fuente J, Aramendi JF, Ibañez JM, Blasi M, Vazquez A, Aurrekoetxea JJ, Dávila F. Minimally invasive ultrasound-guided vs open release for carpal tunnel syndrome in working population: A randomized controlled trial. JOURNAL OF CLINICAL ULTRASOUND : JCU 2021; 49:693-703. [PMID: 34046894 DOI: 10.1002/jcu.23019] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 04/20/2021] [Accepted: 05/03/2021] [Indexed: 06/12/2023]
Abstract
PURPOSE To compare the clinical effectiveness of minimally invasive ultrasound (US)-guided vs open release for carpal tunnel syndrome. METHODS In an open randomized controlled trial, 47 employed patients were allocated to US-guided carpal tunnel release (USCTR) and 42 to an open carpal tunnel release (OCTR) procedure. The main outcome was symptom severity measured by the Boston Carpal Tunnel Syndrome Questionnaire (BCTQ-S). Secondary outcomes were hand functionality (BCTQ-F), nerve conduction, two-point discrimination, handgrip and pinch strength, pain (visual analog scale), work leave and complications. For BCTQ-S and BCTQ-F, minimal clinically important differences (MCID) were also considered. Follow-up duration was 12 months. RESULTS Mixed model analyses detected no significant differences between the two treatment arms in BCTQ-S (P = .098) while BCTQ-F scores were significantly better in the USCTR group (P = .007). This benefit was, however, not supported by the MCID data. Remaining variables were similar in the two groups except pain which was lower in USCTR at 3 months follow-up. All variables but two-point discrimination showed significant improvement after 3 months. CONCLUSIONS Our findings reveal similar symptom relief benefits following OCTR or USCTR in these patients. The patients in our USCTR group, however, reported better hand functional status and less pain.
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Affiliation(s)
- Javier de la Fuente
- Department of Orthopedic Surgery, Clínica Pakea-Mutualia, San Sebastián, Spain
| | - Jose F Aramendi
- Primary Care Department, Clínica Pakea-Mutualia, San Sebastián, Spain
| | - Jose M Ibañez
- Department of Physical Medicine and Rehabilitation, Clínica Pakea-Mutualia, San Sebastián, Spain
| | - Marc Blasi
- Plastic Surgery Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain
| | - Alberto Vazquez
- Department of Occupational Medicine, Clínica Pakea-Mutualia, San Sebastián, Spain
| | | | - Fernando Dávila
- Department of Orthopedic Surgery, Clínica Pakea-Mutualia, San Sebastián, Spain
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Mezian K, Ricci V, Jačisko J, Sobotová K, Angerová Y, Naňka O, Özçakar L. Ultrasound Imaging and Guidance in Common Wrist/Hand Pathologies. Am J Phys Med Rehabil 2021; 100:599-609. [PMID: 33443851 DOI: 10.1097/phm.0000000000001683] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
ABSTRACT Wrist/hand pain is a prevalent musculoskeletal condition with a great spectrum of etiologies (varying from overuse injuries to soft tissue tumors). Although most of the anatomical structures are quite superficial and easily evaluated during physical examination, for several reasons, the use of ultrasound imaging and guidance has gained an intriguing and paramount concern in the prompt management of relevant patients. In this aspect, the present review aims to illustrate detailed cadaveric wrist/hand anatomy to shed light into better understanding the corresponding ultrasonographic examinations/interventions in carpal tunnel syndrome, trigger finger, de Quervain tenosynovitis, rhizarthrosis, and the radiocarpal joint arthritis. In addition, evidence from the literature supporting the rationale why ultrasound guidance is henceforth unconditional in musculoskeletal practice is also exemplified.
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Affiliation(s)
- Kamal Mezian
- From the Department of Rehabilitation Medicine, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic (KM, YA); Physical and Rehabilitation Medicine Unit, "Luigi Sacco" University Hospital, A.S.S.T. Fatebenefratelli-Sacco, Milan, Italy (VR); Department of Rehabilitation and Sports Medicine, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic (JJ, KS); Institute of Anatomy, First Faculty of Medicine, Charles University, Prague, Czech Republic (ON); and Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey (LÖ)
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Wise A, Pourcho AM, Henning PT, Latzka EW. Evidence for Ultrasound-Guided Carpal Tunnel Release. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2021. [DOI: 10.1007/s40141-020-00305-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Burnham RS, Loh EY, Rambaransingh B, Roberts SL, Agur AM, Playfair LD. A Controlled Trial Evaluating the Safety and Effectiveness of Ultrasound-Guided Looped Thread Carpal Tunnel Release. Hand (N Y) 2021; 16:73-80. [PMID: 30983412 PMCID: PMC7818025 DOI: 10.1177/1558944719842199] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Background: Open carpal tunnel release typically requires several weeks of recovery. A less invasive, ultrasound-guided percutaneous technique of releasing the transverse carpal ligament using a thread (thread carpal tunnel release [TCTR]) has been described. To date, its clinical effectiveness and safety have been evaluated exclusively by the group that developed the technique, using a single outcome measure without a control comparison. The objective of this study was to independently evaluate the safety and effectiveness of TCTR using multiple outcome measures and a control comparison. Methods: A convenience sample of 20 participants with refractory moderate or severe carpal tunnel syndrome underwent TCTR of their most symptomatic hand. Outcome measures included pre-TCTR and 1-, 3-, and 6-month post-TCTR Boston questionnaire; pre-, 3-, and 6-month post-TCTR monofilament sensibility, strength, ultrasound, and electrodiagnostic testing; weekly post-TCTR phone interviews for 1 month; and satisfaction surveys at 3 and 6 months post-TCTR. Results: No complications were reported. During the month post-TCTR, significant prompt improvements in hand pain and dysfunction occurred. The following significant improvements were demonstrated in the treated versus control hand: Boston Questionnaire scores, median nerve distal motor latency, transcarpal tunnel motor and sensory conduction velocities and sensory nerve action potential amplitudes. No significant differences in sensibility, pinch or grip strength, median nerve cross-sectional area (CSA) at the carpal tunnel inlet, or wrist: forearm median nerve CSA ratio were documented between TCTR and control sides. Satisfaction with the TCTR procedure was high (85%-90%). Conclusions: This study supports previous reports that the TCTR procedure is safe and effective.
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Affiliation(s)
- Robert S. Burnham
- Central Alberta Pain &
Rehabilitation Institute, Lacombe, Canada,University of Alberta, Edmonton,
Canada,Robert S. Burnham, Central Alberta Pain
& Rehabilitation Institute 1, 6220 Highway 2A, Lacombe, AB, Canada T4L 2G5.
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Minimally Invasive Ultrasound-Guided Carpal Tunnel Release Improves Long-Term Clinical Outcomes in Carpal Tunnel Syndrome. AJR Am J Roentgenol 2020; 217:460-468. [PMID: 32876476 DOI: 10.2214/ajr.20.24383] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND. Ultrasound guidance allows performance of carpal tunnel release with smaller incisions and quicker recovery than traditional open or endoscopic surgery. OBJECTIVE. The purpose of this study was to evaluate the long-term effectiveness of ultrasound-guided carpal tunnel release in improving function and discomfort in patients with carpal tunnel syndrome. METHODS. Retrospective review was conducted of 61 ultrasound-guided carpal tunnel release procedures performed on 46 patients (15 bilateral procedures) with clinically diagnosed carpal tunnel syndrome. The procedures were performed with a single-use transection device and local anesthesia at an outpatient radiology office. Patients answered three questionnaires (Quick Disabilities of the Arm, Shoulder, and Hand [QDASH] and two parts of the Boston Carpal Tunnel Syndrome Questionnaire-the symptom severity [BCTSQ-SS] and functional status [BCTSQ-FS] scales) to assess the function of and discomfort in the affected wrist immediately before and 2 weeks and at least 1 year after the procedure. Higher scores indicated increasing disability. Patients also answered a global satisfaction question at follow-up. Preprocedure and postprocedure scores were compared by paired Wilcoxon signed rank tests. RESULTS. The 46 patients (25 women, 21 men; mean age, 60.6 years; range, 21-80 years) had median preprocedure scores of 45.4 for QDASH, 3.2 for BCTSQ-SS, and 2.5 for BCTSQ-FS. The median scores 2 weeks after the procedure were 22.5 for QDASH, 1.7 for BCTSQ-SS, and 1.9 for BCTSQ-FS. All scores decreased (p < .001) from preprocedure scores and surpassed reference standards for clinically important difference in scores. Follow-up questionnaires obtained for 90% (55/61) of wrists a median of 1.7 years (range, 1.0-2.8 years) after the procedure showed further declines (p < .001) in median scores: 2.3 for QDASH, 1.2 for BCTSQ-SS, and 1.1 for BCTSQ-FS. At long-term follow-up evaluation, 96% (52/54) of wrists had lower QDASH and 98% (53/54) had lower BCTSQ (average of BCTSQ-SS and BCTSQ-FS) scores compared with the preprocedure scores. Among the patients who participated in the survey, 93% (37/40) were satisfied or very satisfied with the long-term outcomes. No immediately postoperative complications occurred. Two patients needed surgical intervention 8 and 10 days after surgery, one for infection after injury and one for posttraumatic compartment syndrome. CONCLUSION. Ultrasound-guided carpal tunnel release quickly improves hand function and reduces hand discomfort; improvement persists beyond 1 year. CLINICAL IMPACT. Ultrasound-guided carpal tunnel release may be a safe, effective, and less invasive alternative to traditional surgery.
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Abstract
Ultrasound guidance in the operative treatment of carpal tunnel syndrome is gaining in popularity as it noninvasively provides the surgeon with a real-time high-resolution overview of anatomic structures. A new incision-less approach to achieve a division of the transverse carpal ligament has been developed that combines ultrasound guidance with cannulated needles and a thread. Conceptually, an abrasive thread is looped percutaneously around the ligament while avoiding injury to neurovascular structures, the palmar aponeurosis, and skin. The thread is positioned using 2 puncture sites and a contoured Tuohy needle under ultrasound visualization. With a minimal injury to surrounding structures, this approach is designed to minimize recovery time and decrease pillar pain. This article will provide a step-by-step overview of the technique and includes a review of clinical outcomes published so far.
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Joseph AE, Leiby BM, Beckman JP. Clinical Results of Ultrasound-Guided Carpal Tunnel Release Performed by a Primary Care Sports Medicine Physician. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2020; 39:441-452. [PMID: 31449326 DOI: 10.1002/jum.15120] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/26/2019] [Accepted: 07/28/2019] [Indexed: 06/10/2023]
Abstract
OBJECTIVES The purpose of this study was to determine the safety and efficacy of ultrasound-guided carpal tunnel release (USCTR) in a consecutive group of patients treated by a single primary care sports medicine physician. METHODS The study group consisted of 35 USCTRs performed on 22 consecutive patients for whom clinical outcomes were available before USCTR and at 1 to 2 weeks, 1 month, and 3 months after USCTR. All procedures were performed by the same operator using a single USCTR technique. Outcomes included complications, Quick Disabilities of the Arm, Shoulder, and Hand scores, Boston Carpal Tunnel Questionnaire symptom severity and functional status scores, and a 5-point global satisfaction score. RESULTS The 22 patients included 13 female and 9 male patients (ages 31-82 years). Eleven patients (22 wrists) had bilateral simultaneous USCTRs; 2 patients (4 wrists) had staged bilateral USCTRs; and 9 patients had unilateral USCTRs. No complications occurred in any patient. Statistically and clinically significant reductions in Quick Disabilities of the Arm, Shoulder, and Hand scores and Boston Carpal Tunnel Questionnaire symptom severity and functional status scores occurred by 1 to 2 weeks after USCTR (mean 1- to 2-week changes, -29.23, -1.74, and -1.18, respectively), and further improvements occurred during the 3-month follow-up period (mean 3-month changes, -51.11, -2.29, and -1.91; P < .0001 for all values versus before USCTR). Mean global satisfaction scores at 1 to 2 weeks and 3 months were 4.63 and 4.66. CONCLUSIONS Ultrasound-guided CTR is a safe and effective procedure that can be performed by an experienced primary care sports medicine physician and typically results in significant improvements within the first 2 weeks after the procedure. Furthermore, bilateral simultaneous USCTRs are feasible and may provide significant advantages for patients who are candidates for bilateral CTRs.
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Affiliation(s)
- Anthony E Joseph
- OrthoIdaho, Pocatello, Idaho, USA
- Department of Family Medicine, Idaho State University, Pocatello, Idaho, USA
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Ultrasound-guided percutaneous release of the carpal tunnel: comparison of the learning curves of a senior versus a junior operator. A cadaveric study. Skeletal Radiol 2019; 48:1803-1809. [PMID: 31114970 DOI: 10.1007/s00256-019-03207-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 02/28/2019] [Accepted: 03/07/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The purpose was to evaluate, in a cadaveric cohort, the feasibility and the learning curve of ultrasound-guided percutaneous carpal tunnel release. MATERIALS AND METHODS Fourteen carpal tunnel releases were carried out on unembalmed cadavers by a senior and a junior radiologist. Procedures were realized with an 18-MHz linear probe. An anatomical evaluation was first performed using ultrasound to detect any anatomical variant. After hydrodissection of the carpal tunnel with lidocaine, a 3-mm hook knife was introduced into the security zone to perform a retrograde section of the transverse carpal ligament (TCL) under ultrasound guidance. Anatomical dissection was performed for each wrist. The main evaluation criterion was the complete TCL section. The procedure duration (minutes), skin incision size (millimeters), the integrity of the median nerve, thenar motor branch, and palmar vascular arch were also evaluated. RESULTS The senior operator was able to perform a complete release after training on three specimens and the junior operator after four specimens (p > 0.05). In most of the cases when complete release was not achieved, it was due to an incomplete section of the distal TCL (10 mm missing section on average). Mean duration time of procedure was 14 min (11 min for the senior versus 17 min for the junior, p > 0.05). Damage of neither the median nerve nor the vascular structure was observed. Mean size of the skin incision was 3 mm. CONCLUSION The ultrasound-guided percutaneous release of the carpal tunnel is demonstrated to be a procedure with a rapid learning curve.
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Guo D, McCool L, Senk A, Tonkin B, Guo J, Lytie RM, Guo D. Minimally invasive thread trigger digit release: a preliminary report on 34 digits of the adult hands. J Hand Surg Eur Vol 2018; 43:942-947. [PMID: 29764283 DOI: 10.1177/1753193418774497] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The trigger finger release was performed in 34 digits (11 thumbs and 23 fingers) of 24 patients through the thread transecting technique with the tip-to-tip approach, in which a 22-gauge needle inserts into a 18-gauge needle when both needles are inside the hand, guiding the 22-gauge needle to exit the hand at the same access point of 18-gauge needle. We prospectively evaluated the effectiveness and functional recovery of these patients. In all 34 digits, triggering and locking were resolved, and complete extension and flexion occurred immediately following the release. There were no complications, such as incomplete release, neurovascular or flexor tendon or A2 pulley injury, infection, or tendon bow-stringing. Patients did not require prescription pain medications. Most patients used their hands to meet their basic living needs the same day of the procedure. The hand function evaluated with the Quick Disabilities of the Arm, Shoulder and Hand questionnaire, and scored 4 within 3 months. Level of evidence: II.
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Affiliation(s)
| | | | | | | | - Joseph Guo
- 3 Ridge & Crest Company, Monterey Park, CA, USA
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Anatomic Relationship Between the Hook of the Hamate and the Distal Transverse Carpal Ligament: Implications for Ultrasound-Guided Carpal Tunnel Release. Am J Phys Med Rehabil 2018; 97:482-487. [PMID: 29381488 DOI: 10.1097/phm.0000000000000902] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE During ultrasound-guided carpal tunnel release, osseous landmarks may supplement direct visualization of the distal transverse carpal ligament (dTCL) to ensure a complete release. The purpose of this study was to determine the relationship between the apex of the hook of the hamate (aHH) and the dTCL within the transverse safe zone (TSZ) of the carpal tunnel. DESIGN Twenty unembalmed cadaveric specimens were dissected to determine the aHH-dTCL distance and the aHH-SPA distance (the distance between the aHH and the superficial palmar arch) at the ulnar and radial limits of the TSZ (the distance between the hook of the hamate or ulnar artery to the median nerve). RESULTS The aHH-dTCL distance averaged 11-12 mm across the TSZ (maximum, 18.2 mm), whereas the aHH-SPA distance was significantly greater on the radial side of the TSZ compared with the ulnar side (22.6 ± 3.6 mm vs. 14.0 ± 4.0 mm). CONCLUSIONS The dTCL lies approximately 11-12 mm distal to the aHH across the TSZ, with an upper limit of 18.2 mm. Along with direct sonographic visualization of the dTCL, the aHH can be used with other osseous landmarks to estimate the position of the dTCL during ultrasound-guided carpal tunnel release.
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