Ulnar nerve palsy after open carpal tunnel decompression: Case report and review of the literature

Yoong, Philip; Fattah, Adel; Flemming, A. S.

doi:10.4103/0970-0358.41117

Cited by 7 publications

(16 citation statements)

References 12 publications

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“…8 Yoong et al reported a case of laceration of the DBUN following a carpal tunnel decompression. 9 DBUN injury also has been reported in association with HH excision. 10 Accurate understanding of the anatomical course of the DBUN may help to avoid these injuries.…”

Section: Introductionmentioning

confidence: 79%

“…The usefulness of HRUS in detecting the DBUN and scanning its course has been confirmed in recent studies . Some studies analyzed surgical approaches and its complications in open carpal tunnel release and percutaneous pinning for carpal metacarpal fracture dislocations to prevent iatrogenic DBUN injury . The sonoanatomy of the nerve provides more detailed information that may limit nerve damage during various hand procedures.…”

Section: Discussionmentioning

confidence: 96%

“…11,12 Some studies analyzed surgical approaches and its complications in open carpal tunnel release and percutaneous pinning for carpal metacarpal fracture dislocations to prevent iatrogenic DBUN injury. 8,9 The sonoanatomy of the nerve provides more detailed information that may limit nerve damage during various hand procedures. A previous sonographic study on the DBUN suggested a CSA of 1.8 mm 2 at the HH level.…”

Section: Discussionmentioning

confidence: 99%

“…Percutaneous pinning for fourth and fifth carpal‐metacarpal fracture dislocations can lead to DBUN injury . Yoong et al reported a case of laceration of the DBUN following a carpal tunnel decompression . DBUN injury also has been reported in association with HH excision .…”

Section: Introductionmentioning

confidence: 99%

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Sonoanatomy of the deep branch of the ulnar nerve

Choi

Yoon

2020

Muscle and Nerve

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Introduction This study evaluated the sonoanatomy of the deep motor branch of the ulnar nerve (DBUN) using high‐resolution ultrasonography (HRUS). Methods In 60 wrists of 30 healthy adults, the gross course, cross‐sectional area (CSA), and diameter of the DBUN were observed by HRUS (frequency band 3–16 MHz). Its course was assessed by using the distance from anatomical landmarks and depth from the skin. Results The DBUN was found in all subjects with HRUS, and it branched off from the ulnar nerve before reaching the hamate bone. At the hook‐of‐hamate level, the mean DBUN CSA was 1.5 ± 0.2 mm2, and the mean diameter was 1.5 ± 0.2 mm. The mean distance from the hamate hook to the DBUN was 5.4 ± 1.0 mm, and the mean depth from the skin was 8.6 ± 1.6 mm. Discussion Sonoanatomy of the DBUN obtained from HRUS may be useful in detecting or preventing DBUN lesions.

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Section: Introductionmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Sonoanatomy of the deep branch of the ulnar nerve

Choi

Yoon

2020

Muscle and Nerve

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“…The variability of clinical symptoms due to the presence of these communicating branches may lead to misdiagnosis or iatrogenic injuries (Ferrari and Gilbert, 1991;Bas and Kleinert, 1999;Loukas et al, 2007;Pellerin et al, 2010). Some studies of carpal tunnel release surgery have shown deficits in sensation of the third and fourth digits following surgery, or have described ''aberrant" branches of the median nerve (May and Rosen, 1981;Engineer et al, 2008;Yoong et al, 2008;Arrotegui, 2009;Demircay et al, 2009;Kaleff et al, 2010). Carpal tunnel release surgery usually involves an incision in the proximal palm near this communicating branch (Loukas et al, 2007;Arrotegui, 2009;Kaleff et al, 2010), and the resultant loss of sensation may be due to injury of these branches.…”

Section: Introductionmentioning

confidence: 99%

Deep palmar communications between the ulnar and median nerves

et al. 2010

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Innervation of the hand is supplied via the radial, median, and ulnar nerves. A common border of sensory distribution between the ulnar and median nerves is along the fourth digit. However, this sensory distribution may be affected by communication between these two nerves. Among the known communications between the median and ulnar nerves, the deep anastomotic branch in the hand is the least described and rarely illustrated in the literature. This study aims to provide data on the prevalence of a deep communicating branch via cadaveric dissection. We examined 50 hands taken from 25 adult cadavers. Communicating branches were found in 16% of the hands examined, with rami occurring bilaterally in two specimens. By describing the origin and pathway of this communicating branch, we hope to provide surgeons and clinicians with knowledge that may help avoid iatrogenic injuries.

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