Isolated volar fracture-dislocation of the base of the second metacarpal bone by indirect injury

Han, Kyeong-Jin; Lee, Jaeheon; Seo, Hyunseok

doi:10.1016/j.jcot.2014.10.001

Cited by 3 publications

(6 citation statements)

References 4 publications

(4 reference statements)

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“…Among these, three reports[ 7 , 8 , 13 ] described complete dislocations of the CMC joint. The findings in the remaining three cases[ 9 , 10 , 12 ] were similar to those in our case with spontaneous reduction of the dislocated CMC joint.…”

Section: Discussionsupporting

confidence: 88%

“…We reported a case with the displacement of an articular fracture fragment of the base of the second metacarpal from the ulnar side to the volar side, which was treated via the dorsal approach. Although volar dislocations of the CMC joint fractures have been reported[ 1 - 13 ], only six reports focused on the second and third metacarpals[ 7 - 10 , 12 , 13 ]. Among these, three reports[ 7 , 8 , 13 ] described complete dislocations of the CMC joint.…”

Section: Discussionmentioning

confidence: 99%

“…Han et al [ 12 ] reported a case of isolated volar fracture-dislocation of the second metacarpal caused by indirect injury. The capsule and attached ligaments around the second CMC joint were torn, and the ulnar side of the CMC joint ligament was almost entirely torn.…”

Section: Discussionmentioning

confidence: 99%

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Dorsal approach for isolated volar fracture-dislocation of the base of the second metacarpal: A case report

Kurozumi,

Saito,

Odachi

et al. 2023

World J Clin Cases

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β cells are the main cells responsible for the hypoglycemic function of pancreatic islets, and the insulin secreted by these cells is the only hormone that lowers blood glucose levels in the human body. β cells are regulated by various factors, among which neurotransmitters make an important contribution. This paper discusses the effects of neurotransmitters secreted by various sympathetic and parasympathetic nerves on β cells and summarizes the mechanisms by which various neurotransmitters regulate insulin secretion. Many neurotransmitters do not have a single source and are not only released from nerve terminals but also synthesized by β cells themselves, allowing them to synergistically regulate insulin secretion. Almost all of these neurotransmitters depend on the presence of glucose to function, and their actions are mostly related to the Ca2+ and cAMP concentrations. Although neurotransmitters have been extensively studied, many of their mechanisms remain unclear and require further exploration by researchers.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 99%

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Dorsal approach for isolated volar fracture-dislocation of the base of the second metacarpal: A case report

Kurozumi,

Saito,

Odachi

et al. 2023

World J Clin Cases

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Section: Introductionmentioning

confidence: 99%

“…The main effective treatments for fracture‐dislocations of carpometacarpal joints include closed reduction with a plaster or splint 6 and open reduction with internal fixation (ORIF). 4 , 7 However, for fracture‐dislocations of carpometacarpal joints, while closed reduction can be achieved easily, maintaining reduction is difficult. 8 Closed reduction with a plaster or splint for the treatment of isolated second metacarpal base fracture‐dislocations carries a risk of fragment re‐displacement or re‐dislocation, because there is little movement of the injured hand and gradual loosening of the splint or plaster occurs.…”

Section: Introductionmentioning

confidence: 99%

Clinical Outcomes of Closed Reduction and External Fixation for Isolated Second Metacarpal Base Fracture‐Dislocations

Yao

Fan

Huang

2023

Orthopaedic Surgery

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Objective The isolated second metacarpal base fracture‐dislocations in adults are rare, and the traditional main treatments include closed reduction with the plaster or splint and open reduction with internal fixation (ORIF). However, closed reduction with the plaster or splint is not solid enough and ORIF can damage the surrounding important tissues. The purpose of this study was to explore the clinical outcomes of closed reduction and external fixation (CREF) for the treatment of isolated second metacarpal base fracture‐dislocations. Methods Ten patients who suffered isolated second metacarpal base fracture‐dislocations between January 1, 2010, and February 1, 2020, were reviewed. All of the patients were treated by CREF. Radiographs and computed tomography scans were performed regularly after the operation. The grip and pinch strength, visual analog scale (VAS) pain score, American Society for Surgery of the Hand total active movement (TAM) and total active flexion (TAF) scores, Cooney score, Sollerman hand function test (SHFT) score, QuickDASH score, and range of motion of the index finger were recorded at the last follow‐up visit to evaluate functional recovery; the injured and healthy hands were compared and we also recorded postoperative complications. The paired samples t‐test was used to compare the healthy and injured sides. Results The patients were followed up for a median of 29.50 ± 4.2 months. There were no significant differences in the grip strength, pinch strength, angle of proximal interphalangeal joint (PIPJ) flexion, or angle of distal interphalangeal joint (DIPJ) flexion between the injured and healthy sides at the final follow‐up visit (all p > 0.05). The mean TAM (268.20 ± 4.21) and TAF scores (270.60 ± 4.17) on injured side were significantly lower than those on healthy side (all p < 0.05). The mean Cooney score (93.50 ± 7.47) and SHFT score (78.50 ± 1.08) on injured side were lower, while the mean QuickDASH score (7.05 ± 3.11) on injured side was higher than those on healthy side (all p < 0.05). The mean VAS pain score was 0.50 ± 0.53 on injured side. There were no significant postoperative complications except for traumatic arthritis in one patient without obvious clinical symptoms. Conclusion CREF achieves the satisfactory curative effect, and the patients obtain the good functional recovery without significant postoperative complications. CREF is a safe and effective treatment for isolated second metacarpal base fracture‐dislocations with satisfactory clinical outcomes.

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The History of Classification Systems for Periprosthetic Femoral Fractures: A Literature Review

Yao,

Fan,

Zhao

et al. 2024

Orthopaedic Surgery

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Periprosthetic femoral fractures (PPFFs) following total hip arthroplasty (THA) present a significant clinical challenge due to their increasing incidence with an aging population and evolving surgical practices. Historically, classifications were primarily based on anatomical fracture location, the stability of the implant, and bone quality surrounding the implant. We critically analyzed 25 classification systems, highlighting the emergence and adaptations of key systems such as the Vancouver classification system (VCS) and the Unified classification system (UCS), which are lauded for their simplicity and effectiveness yet require further refinement. VCS, developed in 1995, categorizes fractures based on the site, implant stability, and bone quality, and remains widely used due to its robust applicability across different clinical settings. Introduced in 2014, UCS expands the VCS to encompass all periprosthetic fractures with additional fracture types, aiming for a universal application. Despite their widespread adoption, these systems exhibit shortcomings, including the incomplete inclusion of all PPFF types and the imprecise assessment of implant stability and surrounding bone loss. These gaps can result in misclassification and suboptimal treatment outcomes. This paper suggests the necessity for ongoing improvements in classification systems to include emerging fracture types and refined diagnostic criteria, ensuring that they remain relevant to contemporary orthopedic practices and continue to facilitate the precise tailoring of treatment to patient‐specific circumstances. This comprehensive historical review serves as a foundation for future innovations in classification systems, ultimately aiming to standardize PPFF treatment and improve patient prognosis.

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Isolated volar fracture-dislocation of the base of the second metacarpal bone by indirect injury

Cited by 3 publications

References 4 publications

Dorsal approach for isolated volar fracture-dislocation of the base of the second metacarpal: A case report

Dorsal approach for isolated volar fracture-dislocation of the base of the second metacarpal: A case report

Clinical Outcomes of Closed Reduction and External Fixation for Isolated Second Metacarpal Base Fracture‐Dislocations

The History of Classification Systems for Periprosthetic Femoral Fractures: A Literature Review

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