Disabled fingers due to infantile digital fibromatosis: A report of two cases with residual functional joint deformity

2020 ◽  
Author(s):  
Xiao Feng Han ◽  
Yuan Liang ◽  
Lin Ma
Keyword(s):  
Joint Deformity ◽  
Residual Functional

Open Reduction for Dorsal Dislocation of Second to Fifth Carpometacarpal Joints: A Case Report

2020 ◽  
Author(s):  
Hiroo Kimura ◽  
Akira Toga ◽  
Taku Suzuki ◽  
Takuji Iwamoto
Keyword(s):  
Closed Reduction ◽  
Open Reduction ◽  
Delayed Diagnosis ◽  
Preoperative Assessment ◽  
Radiographic Examination ◽  
Clinical Images ◽  
Left Hand ◽  
Carpometacarpal Joints ◽  
Joint Deformity ◽  
Poor Outcomes

Abstract Background Fracture-dislocations of all four ulnar (second to fifth) carpometacarpal (CMC) joints are rare hand injuries and frequently overlooked or missed. These injuries can be treated conservatively when closed reduction is successfully achieved, though they are sometimes irreducible and unstable. Case Description We report the case of a 17-year-old boy involved in a vehicular accident. Clinical images showed dorsal dislocation of all four ulnar CMC joints of the left hand associated with a fracture of the base of the fourth metacarpal. Although closed reduction was attempted immediately, the affected joints remained unstable and easily redislocated. Therefore, we performed open reduction and percutaneous fixation of all ulnar CMCs. He showed excellent recovery after 1 year postoperatively, reported no pain, and demonstrated complete grip strength and range of motion of the affected wrist and fingers. Literature Review Accurate clinical diagnosis of this lesion is difficult because of polytrauma, severe swelling masking the dislocated CMC joint deformity, and overlapping of adjacent metacarpals and carpal bones on radiographic examination. As for the treatment strategy, it has yet to obtain a consensus. Some reports value open reduction to guarantee anatomical reduction, and it is definitely needed in the patients with interposed tissues to be removed or with subacute and chronic injuries. Clinical Relevance Delayed diagnosis or treatment could lead to poor outcomes. Therefore, surgeons must be aware that precise preoperative assessment is critical, and anatomical open reduction of interposed bony fragments, like our case, may be required even in an acute phase.

Solution of inverse coefficient problem for fractional anomalous diffusion equation

2012 ◽  
Vol 9 (2) ◽  
pp. 65-70
Author(s):  
E.V. Karachurina ◽  
S.Yu. Lukashchuk
Keyword(s):  
Anomalous Diffusion ◽  
Fractional Derivatives ◽  
Descent Method ◽  
Extremum Problem ◽  
Steepest Descent Method ◽  
Coefficient Problem ◽  
Caputo Fractional Derivatives ◽  
Inverse Coefficient Problem ◽  
Residual Functional ◽  
Inverse Coefficient

An inverse coefficient problem is considered for time-fractional anomalous diffusion equations with the Riemann-Liouville and Caputo fractional derivatives. A numerical algorithm is proposed for identification of anomalous diffusivity which is considered as a function of concentration. The algorithm is based on transformation of inverse coefficient problem to extremum problem for the residual functional. The steepest descent method is used for numerical solving of this extremum problem. Necessary expressions for calculating gradient of residual functional are presented. The efficiency of the proposed algorithm is illustrated by several test examples.

scholarly journals New methylphenylsiloxane resin based on alkoxysilanes

2019 ◽  
Vol 59 (7) ◽  
pp. 142-149
Author(s):  
Andrey M. Kontorov ◽  
Keyword(s):  
Kinematic Viscosity ◽  
Room Temperature ◽  
Raw Materials ◽  
Argon Atmosphere ◽  
29Si Nmr ◽  
Synthesis Conditions ◽  
Residual Functional ◽  
29Si Nmr Spectra ◽  
Hydroxy Groups

Currently interested in the reaction for producing oligosilsesquioxanes based on acidolysis alkoxysilanes. In this regard, the author was given the following tasks: development of optimal synthesis conditions; preparation of new methylphenylsiloxane resins with different properties. In this paper, the properties of new methylphenylsiloxane resins (MPR) with various radicals in silicon were studied. New IFSS were obtained by a new universal technology-acidolysis of a mixture of methyltriethoxysilane (MTEOS) and phenyltriethoxysilane (PTEOS) with various radicals, which are environmentally friendly raw materials. The obtained MPR were characterized by NMR spectroscopy on 1H and 29Si nuclei. Spectra were recorded at room temperature in deuteroacetone using Bruker AM-360 Fourier spectrometer. 29Si NMR spectra were measured using the pulse program "Inverse Gated Heteronuclear Decoupling". The content of residual functional groups (Si-OH, Si-OEt) in IFSS was determined by functional analysis methods. Determination of ethoxy groups and hydroxy groups was carried out by iodometric and aluminohydride method, respectively. Thermogravimetric analysis was performed on the device Derivatograph-H (firm Mom). TGA studies were carried out in the argon atmosphere and in the air at a heating rate of 10 ºC/min. Measurements of kinematic viscosity of 20 % and 50% by weight. toluene solutions of MPR were carried out at 20 °C on the viscometer HPV-2. The reaction acidolysis of methyltriethoxysilane and oligophenylenes is a convenient and versatile method for the synthesis of new heat-resistant resins methylphenylsiloxanes. In the course of the study, it was found that the resins obtained on the basis of organoalkoxysilanes are characterized by higher thermal and thermo-oxidative stability.

scholarly journals Task-residual functional connectivity of language and attention networks

2018 ◽  
Vol 122 ◽  
pp. 52-58 ◽  
Author(s):  
Stella M. Tran ◽  
Keith M. McGregor ◽  
George Andrew James ◽  
Kaundinya Gopinath ◽  
Venkatagiri Krishnamurthy ◽  
...  
Keyword(s):  
Functional Connectivity ◽  
Attention Networks ◽  
Residual Functional

scholarly journals A case of chronic tophaceous with a continuous polyarthritis and joint deformity caused by uncontrolled hyperuricemia

2008 ◽  
Vol 31 (3) ◽  
pp. 190-194
Author(s):  
Shinya KAWASHIRI ◽  
Atsushi KAWAKAMI ◽  
Naoki IWAMOTO ◽  
Keita FUJIKAWA ◽  
Toshiyuki ARAMAKI ◽  
...  
Keyword(s):  
Joint Deformity

Intramuscular venous malformations of the calf: Surgical treatment outcomes of 57 patients

2020 ◽  
Vol 35 (8) ◽  
pp. 597-604
Author(s):  
Claude Laurian ◽  
Pierre Cerceau ◽  
Nikos Paraskevas ◽  
Claudine Massoni ◽  
Veronique Marteau ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Surgical Treatment ◽  
Venous Malformation ◽  
Functional Limitation ◽  
Venous Malformations ◽  
Complete Excision ◽  
Muscle Involvement ◽  
Residual Functional

Objectives To report the outcomes of surgical treatment of calf intramuscular venous malformations (IMVMs) on pain, functional limitation, and quality of life. Methods We retrospectively reviewed 57 consecutive patients who had surgery for IMVM of the posterior compartment of the leg between 2010 and 2015. Treatments were all done at a single institution. Results Patients presented with pain (52), muscle contracture (14), or pulmonary embolism (4). Muscle involvement included the soleus muscle (n = 28, 49%), the gastrocnemius muscle (n = 25, 43%), and deep muscles (n = 4, 7%). Complete excision was possible in 52 patients (91%) and partial excision in 5 (9%). Thirty-five of 46 patients who had an MRI follow-up at six months had no residual venous malformation. At the final follow-up (mean 39 months), 32 of 40 patients seen had no residual pain and 37 had no residual functional impairment. Conclusion In cases where IMVM is located in one muscle in the leg, we demonstrated that surgery yielded improvement in pain, function, and quality of life.

scholarly journals Does the DVR® plate restore bony anatomy following distal radius fractures?

2014 ◽  
Vol 96 (1) ◽  
pp. 49-54 ◽  
Author(s):  
S Patel ◽  
PB Menéndez ◽  
FS Hossain ◽  
HB Colaço ◽  
MH Lee ◽  
...  
Keyword(s):  
Distal Radius ◽  
Normal Values ◽  
Fracture Type ◽  
Radius Fractures ◽  
Fixed Angle ◽  
Residual Functional ◽  
Radial Length ◽  
Bony Anatomy ◽  
Operating Surgeon ◽  
Functional Deficiency

INTRODUCTION Fractures of the distal radius are common. Malreduced fractures are associated with residual functional deficiency. There has been a trend over the last few years for using fixed angle volar locking plates to surgically stabilise this injury. Our unit uses the DVR® plate (DePuy, Warsaw, IN, US). Nevertheless, it is unknown whether the normal bony anatomy is recreated or merely restored to acceptable limits with its usage. The aim of this study was to evaluate the reduction achieved compared with an uninjured population and pre-existing quoted ‘normal’ values. Furthermore, we wanted to identify the percentage of cases that were reduced to acceptable limits, and determine whether the grade of the surgeon and fracture type was a confounding influence on this reduction. METHODS A retrospective review of the 3-month postoperative radiography of 48 eligible patients who underwent open reduction and internal fixation of a distal radius fracture with a DVR® plate was undertaken. RESULTS Volar tilt, radial length and inclination were different to quoted normal values (p<0.01). Despite this, these parameters fell within acceptable limits in 46 cases; this was not influenced by fracture type or grade of operating surgeon. CONCLUSIONS The DVR® plate restores the bony anatomy to within acceptable limits in the majority of patients who have sustained a fracture of the distal radius although of all parameters investigated, the widest variability is seen in volar tilt.

scholarly journals Anatomic three-dimensional model-assisted surgical planning for treatment of pediatric hip dislocation due to osteomyelitis

2019 ◽  
Vol 48 (2) ◽  
pp. 030006051985428 ◽  
Author(s):  
Yi-Ping Wei ◽  
Yu-Cheng Lai ◽  
Wei-Ning Chang
Keyword(s):  
Three Dimensional ◽  
Hip Dislocation ◽  
Three Dimensional Model ◽  
Limb Deformity ◽  
Joint Deformity ◽  
3D Printed ◽  
Small Bones ◽  
Hip Spica Cast ◽  
Pediatric Orthopedic ◽  
The Right

Management of pediatric septic coxarthritis and osteomyelitis of the femur is challenging, and the sequelae of multiplanar hip joint deformity with instability are difficult to reconstruct. The inadequacy of a suitable device for fixing small bones during pediatric osteotomy is a hindrance to the correction of subluxated hip joints and deformed femurs in children. Two-dimensional axial images and three-dimensional (3D) virtual models representing the patient’s individual anatomy are usually reserved for more complex cases of limb deformity. 3D printing technology can be used for preoperative planning of complex pediatric orthopedic surgery. However, there is a paucity of literature reports regarding the application of 3D-printed bone models for pediatric post-osteomyelitis deformity. We herein present a case of a 4-year-old boy who underwent treatment for post-osteomyelitis deformity. We performed corrective surgery with Pemberton osteotomy of the right hip, multilevel varus derotation osteotomy of the right femur, and immobilization with a hip spica cast. A 3D-printed bone model of this patient was used to simulate the surgery, determine the proper osteotomy sites, and choose the appropriate implant for the osteotomized bone. A satisfactory clinical outcome was achieved.

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