Glenohumeral dislocations often recur, probably because a Bankart lesion does not heal sufficiently during the period of immobilization. Using magnetic resonance imaging, we assessed position lesion, with arm in internal and external rotation, shoulders that had dislocation.Coaptation was examined use held at side trunk positioned first rotation (mean, 29 degrees) then 35 degrees), nineteen shoulders. Six (six patients) an initial anterior dislocation, thirteen (twelve recurrent dislocation....

Abstract In scaled laboratory experiments, we investigated the interaction of a propagating hydraulic fracture with natural discontinuities. We observed geometry as function horizontal stress difference, regime, flow rate and discontinuity pattern. smallest amount for high flowrates. When difference was increased, smoother. However, when represented tectonic ratio's, lower vertical compared maximum stress, higher tortuosity.

Abstract A simple idea is proposed to produce an excess enthalpy flame by inserting a porous solid of high thermal conductivity into the one-dimensional zone. Heat recirculated internally through from downstream temperature region upstream low and large produced at head reaction The potentiality artificially modified analyzed on basis simplified theory. It found that in this mass flow rate not eigenvalue but becomes mere parameter. heat transfer coefficient between reacting gas another With...

The influence of bone mineral density on the stability transpedicle screwing was studied in human cadaveric lumbar vertebrae. pull-out force correlated with density. tilting moment (load needed to tilt screw 4 degrees cranially at screw-plate junction) and cut-up tip end plate up by screw) A correlation also found between maximum insertion torque force, moment, force. In cyclic test (200 cycles), mean value 200th cycle 67.4 +/- 6.1%, compared first cycle. results suggest that preoperative...

The use of thermophilic microorganisms as biocatalysts for electromethanogenesis was investigated. Single-chamber reactors inoculated with thermophiles and operated at 55 °C showed high CH4 production rates (max. 1103 mmol m–2 day–1 an applied voltage 0.8 V) current-capture efficiencies >90%, indicating that have potential biocatalysts. To improve the electromethanogenic activity, developed biocathode transferred to a two-chamber reactor poised −0.5 V vs SHE. were enhanced approximately...

Study Design. Review of the clinical and radiologic records patients who underwent one-level posterior lumbar interbody fusion (PLIF) at L4–L5. Objective. To determine whether adjacent intervertebral disc degeneration after PLIF affects results, preoperative caudal (L5–S1) postoperative results. Summary Background Data. There is little reliable information in literature regarding results PLIF. Methods. Forty-five L4–L5 for spondylolisthesis with more than 5 years observation were included...

The purpose of this study was to determine the clinical usefulness full can and empty tests for determining presence a torn supraspinatus tendon. two were performed in 143 shoulders 136 consecutive patients. In each test, muscle strength determined by manual testing, pain during maneuver recorded. We interpreted as positive when there 1) pain, 2) weakness, or 3) weakness both. Shoulders examined high-resolution magnetic resonance imaging with 95% accuracy full-thickness rotator cuff tears....

An investigation of the relation between intraoperative insertional torque pedicle screws, bone mineral density vertebra, and development screw loosening in vivo.To determine usefulness measurement screws.Some biomechanical studies have demonstrated that is highly correlated with stability screws vitro.Pedicle fixation was performed posterior lumbar interbody fusion 62 consecutive patients. The mean age patients at time surgery 58 years. measured intraoperatively all follow-up period 2.7...

Background: The relationship between the epicardial fat volume measured by 64-slice multidetector computed tomography (MDCT) and extension severity of coronary atherosclerosis was investigated. Methods Results: Both MDCT conventional angiography (CAG) were performed in 71 consecutive patients who presented with effort angina. adipose tissue (EAT) MDCT. assessed evaluating plaques 790 segments using data, percentage diameter stenosis 995 CAG data. estimated EAT indexed body surface area...

The purpose of this study was to compare the accuracy CT urography and excretory for detection localization upper urinary tract urothelial carcinoma.Of 128 patients at high risk carcinoma who were examined with both between 2002 2007, 24 undiagnosed excluded. results remaining 104 552 segments compared histopathologic examination or follow-up imaging 1 year. Two readers independently scored confidence levels presence absence in each six on urography; differences resolved by consensus.Upper...

We retrospectively evaluated neurological and other complications related to posterior lumbar interbody fusion (PLIF) performed by facet joint excision pedicle screw fixation, in 148 consecutive patients with degenerative disorders. Their mean age at surgery was 59 (19-80) years. The follow-up period 3 (2-6.5) Overall, 91 75 cases were observed. Although no permanent neural damage detected, transient palsy occurred 8% of the cases. Dural tear, partial misplacement, loosening, breakage loss...

After reduction of a shoulder dislocation, the torn edges Bankart lesion need to be approximated for healing during immobilization. The position immobilization has traditionally been adduction and internal rotation, but there is little direct evidence support or discredit use this position. purpose present study was determine relationship between arm coaptation simulated created in cadaveric shoulders.Ten thawed fresh-frozen shoulders were used experimentation. All muscles removed expose...

We measured the isokinetic strength of abduction, adduction, internal rotation, and external rotation in ten patients with full-thickness tears supraspinatus partial-thickness tears. The measurements were repeated after intra-articular or intrabursal injection local anaesthetic. Pain blocks produced significant increases both full After block, compared opposite side was 67% to 81% abduction 78% significantly smaller than those on uninvolved (p = 0.0064, p 0.0170). In block ranged from 82%...

The configuratory variation of laminas and facet joints was discussed with reference to development degenerative spondylolisthesis its clinical symptoms. authors have classified the configuration in lower lumbar spine into three different types, (WI, W2, N), based on two characteristic features lamina: 1) whether or not inferior articular processes are wider than waist part lamina, 2) joint spaces can be recognized plain anteroposterior (AP) radiographs. Types W1 W2 laterally prominent...

To exploit the potential diversity of thermophilic exoelectrogens, two-chamber microbial fuel cells (MFCs) were inoculated with anaerobic digester sludge and operated at 55 °C without supplementing exogenous redox mediator. The MFC generated a maximum power density 823 mW m–2 after 200 h operation. Molecular phylogenetic analyses suggested that population on anode was dominated by species closely related to nitrate-reducing bacterium Calditerrivibrio nitroreducens, for which strain (Yu37-1)...

Abstract Purpose A high‐energy‐resolution whole‐body SPECT‐CT device (NM/CT 870 CZT; C‐SPECT) equipped with a CZT detector has been developed and is being used clinically. MEHRS collimator also recently, an expected improvement in imaging accuracy using medium‐energy radionuclides. The objective of this study was to compare analyze the accuracies following devices: WEHR installed on C‐SPECT, NaI scintillation detector‐equipped Anger‐type SPECT (A‐SPECT) scanner, LEHR LMEGP. Methods line...

Abstract The tidal behavior of a well in semiconfined aquifers can be described by diffusion equation including leakage term. This approach is valid for thin aquifers, as long the aquitard has low permeability relative to aquifer. However, cases where aquifer thick and not low, using existing solutions based on these approximations leads unsatisfactory outcomes. Alternative both vertical horizontal wells were obtained solving standard equation, with expressed boundary condition. used...

 ABSTRACTFluid flow around right-angle faults with a finite conductivity fracture is not only basis for understanding motion of underground fluids such as water, oil and carbon dioxide in capture storage, but also important, example, planning installation an artificial the purpose irrigation dry area. In this study we present optimal analytic solution fluid shown Figure 1.The consists two parts, one other fracture. The latter exhibits singular behavior near edges, on hand former...

Study Design This study investigated the outcome of anterior decompression and stabilization for "unstable" burst fractures without initial neurologic deficits in thoracolumbar spine. Objective To determine pain work status patients, who underwent stabilization, to evaluate relationship between residual back degree kyphosis, analyze advantages disadvantages surgery Summary Background Data A retrospective review was conducted on 45 patients with unstable spine treated by our institutions from...