| 词条 | Thread carpal tunnel release |
| 释义 |
| name = Thread carpal tunnel release | image = Procedure of Thread Carpal Tunnel Release.png | caption = Under the guidance of ultrasound, the routing needle makes a loop with a piece of cutting thread about the transverse carpal ligament in two needle passes. | alt = | pronounce = | synonyms = | ICD10 = | ICD9 = | ICD9unlinked = | MeshID = | LOINC = | other_codes = | MedlinePlus = | eMedicine = }}Thread carpal tunnel release (TCTR) is a minimally-invasive procedure of performing carpal tunnel release using a piece of surgical dissecting thread as a dividing element.[1] This is instead of using a scalpel as in the situation of open carpal tunnel release (OCTR) or endoscopic carpal tunnel release (ECTR).[2] ProcedureUnder the real-time guidance of ultrasound, a spinal needle is inserted at the palm of the hand and advanced underneath the transverse carpal ligament (TCL) and exiting at the wrist. Through this needle, a fine smooth thread (0.2 mm in diameter) is fed. The needle is inserted again in the same fashion over the TCL and the thread is again looped through back out of the original needle entry. The thread surrounds the TCL and is manipulated in a back and forth motion to divide the TCL. Once complete, the thread is removed and two small bandages are placed on the needle puncture sites. The procedure takes 10 minutes in a clinic based office.[3] ThreadThe frictional effect of a sliding thread can cut tissue. This effect is more moderate than the abrasive effect found when using, for example, a wire saw. The frictional division of soft tissue concentrates the shear forces into the targeted tissue, resulting in significantly less collateral damage to adjacent anatomic structures than can be caused by the plowing and cutting of abrasive dividing.[4] Thread can be used to divide soft tissue in minimally invasive surgeries due to its unique properties: The flexibility of thread allows it to be routed along a designated path to form a loop around the targeted tissue which precisely controls the division. The nature of thread transection ensures that tissue is divided only inside the loop of thread around the targeted tissue without injuring adjacent non-targeted tissues. Thread can be easily placed using a spinal needle with only two punctures as entry and exit for the thread. Precise looping or routing is essential to the safe and effective use of a dividing thread. Precise routing is achieved percutaneously by use of real-time ultrasound guidance.[5] AdvantageThe routing control accuracy of TCTR is 0.15-0.20 mm, precise enough to preserve superficial palmar aponeurosis, common digital nerves and the communicating branch between the ulnar nerve and median nerve, while that is difficult or impossible for OCTR or ECTR. Through the technique of TCTR, the possible postoperative complications, such as pillar pain, scar tenderness, or functional weakness, may be minimized significantly by avoiding the unnecessary injuries and disturbers to the surrounding of TCL during the procedure of decompressing the median nerve.[6][7] References1. ^ {{Cite journal |last= Guo |first= Danqing |last2= Tang |first2= Yu |last3= Ji |first3= Yizheng |last4= Sun |first4= Tiansheng |last5= Guo |first5= Joseph |last6= Guo |first6= Danzhu |date= 2014-06-06 |title= A non-scalpel technique for minimally invasive surgery: percutaneously looped thread transection of the transverse carpal ligament |journal= HAND |language= en |volume= 10 |issue= 1 |pages= 40–48 |doi= 10.1007/s11552-014-9656-4 |issn= 1558-9447 |pmc= 4349829 |pmid= 25767420 }} {{Medicine}}2. ^{{cite journal|last1=Trumble|first1=TE|last2=Diao|first2=E|last3=Abrams|first3=RA|last4=Gilbert-Anderson|first4=MM|title=Single-portal endoscopic carpal tunnel release compared with open release : a prospective, randomized trial.|journal=The Journal of Bone and Joint Surgery. American Volume|date=July 2002|volume=84-A|issue=7|pages=1107–15|pmid=12107308}} 3. ^{{cite journal |last1= Guo |first1= Danqing |last2= Guo |first2= Danzhu |last3= Guo |first3= Joseph |last4= Daniel |first4= Malone |last5= Nathan |first5= Wei |last6= Logan |first6= McCool |date=20 August 2016 |title=A cadaveric study for the improvement of thread carpal tunnel release |url=http://www.sciencedirect.com/science/article/pii/S036350231630380X |journal=Journal of Hand Surgery |volume= 41 |issue=2016 |pages= e351–e357 |pmid=27554942 |doi=10.1016/j.jhsa.2016.07.098 }} 4. ^{{cite book |last1=Dowson |first1=Duncan |title=History of tribology |date=1989 |publisher=Professional Engineering Pub. |location=London|isbn=978-1-86058-070-3 |edition=2nd}} 5. ^{{cite book|last1=Martino |first1=Fabio |last2=Silvestri |first2=Enzo |last3=Grassi |first3=Walter |displayauthors=etal |title=Musculoskeletal Sonography |date=2007 |publisher=Springer-Verlag Italia |location=New York |isbn=978-88-470-0547-1}} 6. ^{{cite journal |last1= Guo |first1= Danqing |last2= Guo |first2= Danzhu |last3= Guo |first3= Joseph |last4= Steven |first4= Schmidt |last5= Rachel |first5= Lytie |date= 2016-09-12 |title= A Clinical Study of the Modified Thread Carpal Tunnel Release (TCTR) |url=http://han.sagepub.com/content/early/2016/09/09/1558944716668831 |journal= HAND |volume= 12 |issue= 2016 |pages= 453–460 |doi= 10.1177/1558944716668831 |pmid= 28832215 |pmc= 5684915 }} 7. ^{{cite journal|last1=Ray |first1=Wilson |last2=Mahan |first2=Mark |last3=Guo |first3=Danzhu |last4=Guo |first4=Danqing |last5=Kliot |first5=Michel|date=2017-05-12|title=an update on addressing important peripheral nerve problems: challenges and potential solutions|journal= Acta Neurochirurgica|volume=159 |issue=9 |pages=1765–1773 |doi=10.1007/s00701-017-3203-3|pmid=28500566 }} 2 : Surgical procedures and techniques|Wrist |
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