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https://www.readbyqxmd.com/read/29773714/the-bendy-basilar-progressive-aneurysm-tilting-and-arterial-deformation-can-be-a-delayed-outcome-after-coiling-of-large-basilar-apex-aneurysms
#1
Ansaar T Rai, Abdul R Tarabishy, SoHyun Boo, Jeffrey S Carpenter, Sanjay Bhattia
BACKGROUND: Morphological changes in the basilar artery and the artery-aneurysm relationship following coiling of large basilar apex aneurysms may induce morbidity. METHODS: The basilar artery radius-of-curvature was measured along its center line on volumetrically reconstructed images formatted along the plane of curvature. The aneurysm-tilt-angle was measured between the distal basilar and the vertical long axis of the aneurysm. The measurements were compared between small (<10 mm) and large (≥10 mm) aneurysms on baseline and follow-up studies...
May 17, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29770175/neurologic-complications-in-common-wrist-and-hand-surgical-procedures
#2
Nicole Verdecchia, Julie Johnson, Mark Baratz, Steven Orebaugh
Nerve dysfunction after upper extremity orthopedic surgery is a recognized complication, and may result from a variety of different causes. Hand and wrist surgery require incisions and retraction that necessarily border on small peripheral nerves, which may be difficult to identify and protect with absolute certainty. This article reviews the rates and ranges of reported nerve dysfunction with respect to common surgical interventions for the distal upper extremity, including wrist arthroplasty, wrist arthrodesis, wrist arthroscopy, distal radius open reduction and internal fixation, carpal tunnel release, and thumb carpometacarpal surgery...
March 29, 2018: Orthopedic Reviews
https://www.readbyqxmd.com/read/29764298/the-distal-radius-palmar-cortical-angle-in-adolescent-versus-adult-populations
#3
Shane Breheny, Angela Christine Chang, April De Silva, Paul Allcock
PURPOSE: Volar distal radius plates are pre-contoured to aid restoration of anatomy during open reduction internal fixation of distal radius fractures. Incorrectly contoured plates can result in malreduction, leading to malunion, pain, and loss of function. The purpose of this study was to investigate whether adolescent distal radius anatomy on the palmar cortical surface differs from that in adults, in order to determine whether adult plates are suitable for use in adolescents. METHODS: Lateral wrist radiographs were used to measure the distal radius palmar cortical angle (PCA) in adolescent age groups (12-13, 14-15, and 16-17 years old) and compared to a skeletally mature control group (30-50 years old)...
May 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29758361/bone-accrual-in-oligo-amenorrheic-athletes-eumenorrheic-athletes-and-non-athletes
#4
Vibha Singhal, Karen Campoverde Reyes, Brooke Pfister, Kathryn Ackerman, Meghan Slattery, Katherine Cooper, Alexander Toth, Nupur Gupta, Mark Goldstein, Kamryn Eddy, Madhusmita Misra
BACKGROUND: Mechanical loading improves bone mineral density (BMD) and strength while decreasing fracture risk. Cross-sectional studies show that exercise advantage is lost in oligo-amenorrheic athletes (OA). Longitudinal studies examining the opposing effects of exercise and hypogonadism on bone are lacking in adolescents/young adults. OBJECTIVE: Evaluate differences in bone accrual over 12 months in OA, eumenorrheic athletes (EA) and non-athletes (NA). We hypothesized that bone accrual would be lower in OA than EA and NA, with differences most pronounced at non-weight bearing trabecular sites...
May 11, 2018: Bone
https://www.readbyqxmd.com/read/29754185/a-comparison-of-corrective-osteotomies-using-dorsal-and-volar-fixation-for-malunited-distal-radius-fractures
#5
Kunihiro Oka, Toshiyuki Kataoka, Hiroyuki Tanaka, Kiyoshi Okada, Hideki Yoshikawa, Tsuyoshi Murase
PURPOSE: This study aimed to compare clinical results and to restore radiographic parameters of corrective osteotomy for malunited distal radius fracture using a volar locking plate with a dorsal plate. METHODS: We retrospectively studied 28 consecutive patients with symptomatic malunited distal radius fractures followed up for more than 12 months who underwent corrective osteotomy with a dorsal buttress plate (n = 9) or a volar locking plate (n = 19)...
May 12, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29752499/intraoperative-fluoroscopy-during-mpfl-reconstruction-improves-the-accuracy-of-the-femoral-tunnel-position
#6
P Koenen, S Shafizadeh, T R Pfeiffer, A Wafaisade, B Bouillon, A C Kanakamedala, V Jaecker
PURPOSE: Reconstruction of the medial patellofemoral ligament (MPFL) has been established as standard of care for patellofemoral instability. An anatomic femoral tunnel position has been shown to be a prerequisite for restoration of patellofemoral stability and biomechanics. However, the incidence of malpositioning of the femoral tunnel during MPFL reconstruction continues to be notable. Palpation of anatomic landmarks and intraoperative fluoroscopy are the two primary techniques for tunnel placement...
May 11, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29751130/association-of-high-resolution-peripheral-quantitative-computed-tomography-hr-pqct-bone-microarchitectural-parameters-with-previous-clinical-fracture-in-older-men-the-osteoporotic-fractures-in-men-mros-study
#7
Howard A Fink, Lisa Langsetmo, Tien N Vo, Eric S Orwoll, John T Schousboe, Kristine E Ensrud
High-resolution peripheral quantitative computed tomography (HR-pQCT) assesses both volumetric bone mineral density (vBMD) and trabecular and cortical microarchitecture. However, studies of the association of HR-pQCT parameters with fracture history have been small, predominantly limited to postmenopausal women, often performed limited adjustment for potential confounders including for BMD, and infrequently assessed strength or failure measures. We used data from the Osteoporotic Fractures in Men (MrOS) study, a prospective cohort study of community-dwelling men aged ≥65 years, to evaluate the association of distal radius, proximal (diaphyseal) tibia and distal tibia HR-pQCT parameters measured at the Year 14 (Y14) study visit with prior clinical fracture...
May 8, 2018: Bone
https://www.readbyqxmd.com/read/29750848/accelerated-bone-loss-in-older-men-effects-on-bone-microarchitecture-and-strength
#8
J A Cauley, A J Burghardt, S L Harrison, P M Cawthon, A V Schwartz, E Barrett Connor, Kristine E Ensrud, Lisa Langsetmo, S Majumdar, E Orwoll
Accelerated bone loss (ABL) shown on routine dual-energy X-ray absorptiometry (DXA) may be accompanied by microarchitectural changes, increased cortical porosity and lower bone strength. To test this hypothesis, we performed a cross-sectional study and used high resolution peripheral quantitative computed tomography (HR-pQCT) scans (SCANCO, Inc., Switzerland) to measure estimated bone strength and microarchitecture in the distal radius and distal and diaphyseal tibia. We studied 1628 men who attended the Year 14 exam of the Osteoporotic Fractures in Men (MrOS) study...
May 11, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29750829/robust-trabecular-microstructure-in-type-2-diabetes-revealed-by-individual-trabecula-segmentation-analysis-of-hr-pqct-images
#9
Jessica F Starr, Leonardo C Bandeira, Sanchita Agarwal, Ankit M Shah, Kyle K Nishiyama, Yizhong Hu, Donald J McMahon, X Edward Guo, Shonni J Silverberg, Mishaela R Rubin
Type 2 diabetes (T2D) patients have an increased fracture risk, which may be partly explained by compromised bone microarchitecture within the cortical bone compartment. Data on trabecular bone parameters in T2D are contradictory. By high resolution peripheral quantitative computed tomography (HR-pQCT) trabecular microarchitecture is preserved, yet larger trabecular holes are detected in T2D by MRI and DXA-based trabecular bone scores (TBS) are abnormal. To determine if there are differences in trabecular microstructure, connectivity and alignment in postmenopausal women with T2D as compared to controls, we performed individual trabecula segmentation (ITS) analysis on high-resolution peripheral quantitative computed tomography (HR-pQCT) scans of the distal radius and tibia in 92 women with (n = 42) and without (n = 50) T2D...
May 11, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29747624/association-of-wrist-and-forearm-range-of-motion-measures-with-self-reported-functional-scores-amongst-patients-with-distal-radius-fractures-a-longitudinal-study
#10
Zixian Yang, Peggy Poh Hoon Lim, Sing Hwee Teo, Huiwen Chen, Huaying Qiu, Yong Hao Pua
BACKGROUND: Patients with distal radius fractures (DRF) often have limited range-of-motion (ROM) in multiple planes of movement. No studies have comprehensively examined the impact of various ROM limitations on physical function. METHODS: We performed a multi-center, longitudinal study of 138 patients with conservatively managed DRF. ROM measures were taken at initial evaluation, and at 4 and 8 weeks later. Self-reported physical function was indexed by the Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH)...
May 11, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29744387/dexamethasone-treatment-for-bilateral-lingual-nerve-injury-following-orotracheal-intubation
#11
Saeyoung Kim, Seung-Yeon Chung, Si-Jeong Youn, Younghoon Jeon
Lingual nerve injury is a rare complication of general anesthesia. The causes of lingual nerve injury following general anesthesia are multifactorial; possible mechanisms may include difficult laryngoscopy, prolonged anterior mandibular displacement, improper placement of the oropharyngeal airway, macroglossia and tongue compression. In this report, we have described a case of bilateral lingual nerve injury that was associated with orotracheal intubation for open reduction and internal fixation of the left distal radius fracture in a 61-year-old woman...
April 2018: Journal of Dental Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29734913/vascularized-iliac-bone-lining-in-downgraded-treatment-of-campanacci-grade-iii-giant-cell-tumor-of-the-distal-radius
#12
Kazufumi Sano, Kazumasa Kimura, Satoru Ozeki
It is commonly accepted that wide en bloc resection followed by reconstruction is essential in progressive lesions (Campanacci grade III) for local control of possible recurrence. However, specific grade III can be downgraded and treated with intralesional curettage to preserve better wrist function, without increasing the recurrency rates. In this report, Grade III giant cell tumor of the distal radius was successfully treated using vascularized osseous graft from the inner lip of the iliac bone in addition to downgrading strategy...
June 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29734911/three-year-review-of-dorsal-plating-for-complex-intra-articular-fractures-of-the-distal-radius
#13
Michelle Spiteri, Wayne Ng, Jamie Matthews, Dominic Power, Mark Brewster
BACKGROUND: The volar approach is commonly used for plating intra-articular fractures of the distal radius. Despite this, certain fracture configurations are more suitable for dorsal plate fixation. This technique has not gained favour due to the reported high incidence of extensor tendon irritation and attrition ruptures. With the advent of lower profile plates this risk has decreased. METHODS: We report on forty-six cases performed in a tertiary hand centre between January 2011 and May 2014...
June 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29734895/insufficiency-fracture-of-the-radial-diaphysis-following-a-sauve-kapandji-procedure-for-osteoarthritis-of-the-distal-radioulnar-joint-a-case-report
#14
Takuma Wakasugi, Ritsuro Shirasaka, Koji Fujita
The Sauve-Kapandji (SK) procedure for distal radioulnar joint osteoarthritis have complications including pain over the proximal ulnar stump, nonunion of the fused distal radioulnar joint, and less frequently, insufficiency fracture of the distal radius. We report a case of insufficiency fracture of the radial diaphysis as a rare complication of the SK procedure.
June 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29734893/mid-term-functional-outcome-after-volar-locking-plate-fixation-of-distal-radius-fractures-in-elderly-patients
#15
Haruhiko Shimura, Akimoto Nimura, Koji Fujita, Takashi Miyamoto
BACKGROUND: The volar locking plate is frequently used in the fixation of unstable distal radius fractures, but despite this there is a paucity of mid to long term outcome studies. The purpose of this study was to investigate the mid-term functional outcomes of elderly patients treated with a volar locking plate for unstable distal radius fractures. METHODS: Thirty-two patients with a mean age of 74.1 (range, 65-85) years were followed for a mean of 39.1 (range, 30-81) months...
June 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29734464/low-muscle-strength-and-mass-is-associated-with-the-accelerated-decline-of-bone-microarchitecture-at-the-distal-radius-in-older-men-the-prospective-strambo-study
#16
Philippe Wagner, Roland Chapurlat, René Ecochard, Pawel Szulc
Low muscle mass and strength are associated with poor bone microarchitecture. We studied the association of muscle mass and strength with changes in bone microarchitecture of distal radius in 821 older men during an 8-year prospective follow-up. Bone microarchitecture was assessed by high resolution peripheral quantitative computed tomography (XtremeCT-1, Scanco) at baseline, then after 4 and 8 years. Relative appendicular lean mass of the upper limbs (RALM-u.l.) was calculated as DXA-measured lean mass of upper limbs divided by (height)2 ...
May 7, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29732271/concomitant-posterolateral-elbow-dislocation-with-ipsilateral-comminuted-intra-articular-distal-radius-fracture-a-rare-orthopaedic-scenario
#17
Vivek Tiwari, Yugal Karkhur, Anupam Das
Fracture dislocations are common around the elbow joint. However, closed fracture of the distal radius with ipsilateral elbow dislocation is an uncommon injury pattern. We discuss the case of a middle-aged woman presenting with posterolateral elbow dislocation with concomitant ipsilateral closed intra-articular fracture of the distal radius. It was treated with closed reduction for the elbow dislocation first followed by closed reduction for the distal radius fracture. Even with conservative management, the patient had a good functional outcome at one year...
March 3, 2018: Curēus
https://www.readbyqxmd.com/read/29730704/normal-bone-microstructure-and-density-but-worse-physical-function-in-older-women-treated-with-selective-serotonin-reuptake-inhibitors-a-cross-sectional-population-based-study
#18
Berit Larsson, Dan Mellström, Lisa Johansson, Anna G Nilsson, Mattias Lorentzon, Daniel Sundh
Depression in the elderly is today often treated with selective serotonin reuptake inhibitors (SSRIs) because of their favorable adverse effect profile. However, treatment with SSRIs is associated with increased risk of fractures. Whether this increased risk depends on reduced bone strength or increased fall risk due to reduced physical function is not certain. The aim was therefore to investigate if treatment with SSRIs is associated with impaired bone microstructure, bone density, or physical function in older women...
May 5, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29728215/radial-distraction-to-stabilize-distal-radioulnar-joint-in-distal-radius-fixation
#19
REVIEW
Jung-Pan Wang, Hui-Kuang Huang, Duretti Fufa
Persistent distal radioulnar joint (DRUJ) instability after internal fixation of distal radius fractures can be managed with soft tissue or bony stabilization and prolonged immobilization. However, these strategies limit postoperative motion. To address this limitation, we report our technique of indirect ulna shortening by radial distraction followed by early mobilization and provide a case example. We use this technique in cases of persistent DRUJ instability during standard volar plating of distal radius fractures...
May 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29727816/a-ct-based-approach-with-3d-modeling-to-determine-optimal-radiographic-views-of-the-scaphotrapezial-and-scaphotrapezoid-joints
#20
Aoife MacMahon, Steven B Orr, Lauren E Wessel, Kathleen N Meyers, Kara Fields, Shari T Jawetz, Roger J Bartolotta, Duretti Fufa
PURPOSE: To use a CT-based approach with 3D modeling to determine novel radiographic views of the scaphotrapezial (STl) and scaphotrapezoid (STd) joints. MATERIALS AND METHODS: Consecutive wrist CT scans excluding those with pathology of the distal radius, scaphoid, trapezium, or trapezoid of subjects between ages 18 and 60 years were retrospectively reviewed. Three-dimensional reconstructions of CT scans were created and best-fit planes of the STl and STd joints were generated...
April 24, 2018: Clinical Imaging
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