Silicon Sheet Research Articles

P-003 ASSESSMENT OF UROSTOMY PARASTOMAL HERNIATION FORCES

Abstract Introduction Approximately 10,000 patients undergo cystectomy with ileal conduit diversion annually in the USA, of which ∼ 50% will subsequently develop a parastomal hernia (PSH) at 2 years. Due to the knowledge gap between urostomy surgical factors and abdominal wall forces, we developed a silicone and ex-vivo human cadaver fascia-based model for study. Our objective was to measure the relationship between incision size/type/material and axial tension force (ATF) as a surrogate for herniation force. Methods Using incisions (linear, cruciate, circular) ranging 1 to 3 cm (0.5cm increments) in clamped 3″x3″x0.020″ silicone or cadaveric sheets, a dynamometer was hooked to a Foley catheter at the drainage aperture and pulled using a motorized positioning system at 20 millimeters/minute. Balloons were hydrated to 125% incision dimension. Upward ATF was recorded until balloon herniation and repeated up to N=5 membranes/size. As limited cadaveric fascia was available, a single incision size was used. Results Controlling for silicone incision size, linear incision ATF was highest. With an average 3cm incision herniation force of 18.58, 8.48, and 2.36 Newtons (linear, cruciate, and circular respectively), linear was greater than cruciate herniation force (p<0.0001), and cruciate was greater than circular (p=0.0039). This was true in cadaveric fascia for linear vs cruciate (p=0.0001) and cruciate vs circular (p=0.0024). Conclusion This ex-vivo study suggests incision type/size have predictable influences on ATF for herniation. En-bloc human studies are underway to assess these factors in more clinically optimized models. If confirmed, these data can help to standardize urostomy creation, reducing PSH risk.

Integra® Dermal Regeneration Template: From Design to Clinical Use.

Integra® Dermal Regeneration Template (IDRT, Integra LifeSciences, Princeton, NJ, USA) is a bilayer membrane developed, by Yannas and Burke in the 1980s, to fulfill the unmet need of surgeons having a readily available off-the-shelf dermal regeneration method. IDRT is composed of a sheet of porous cross-linked type I collagen and glycosaminoglycans, with a semi-permeable silicone sheet cover. IDRT is bio-engineered, from adult bovine Achilles tendons and chondroitin-6-sulfate derived from shark cartilage, in a multi-step process involving cross-linking using glutaraldehyde. By design, the composition, porosity, and biodegradation rate of IDRT guides the mechanism of wound repair towards a regenerative pathway. Its mechanism of action involves four distinct phases: imbibition, fibroblast migration, neovascularization, and remodeling/maturation. Originally developed for the post-excisional treatment of deep-partial to full-thickness burns where autograft is limited, over the years its use has expanded to reconstructive surgery.

The effect of a silicone sheet on sciatic nerve healing in rats

The effect of a silicone sheet on sciatic nerve healing in rats

Early Detection of Chikungunya Virus Utilizing the Surface Plasmon Resonance Comprising a Silver-Silicon-PtSe2 Multilayer Structure.

The sensing performance parameters of the SPR sensors are sensitivity, detection accuracy, the figure of merit (FOM), and full-width half maximum (FWHM), and it has been discussed with refractive indexes of analyte 1.33, 1.35, 1.38, and 1.39. In this, we proposed a multilayer structure comprising nanofilms of Ag, Silicon, and PtSe2 for the early diagnosis of chikungunya virus. The suggested sensor structure consists of a BK7 (borosilicate crown) coupling prism over which the nanofilm of silver metal is present. The layer thicknesses and the number of silicon and PtSe2 sheets are optimized for high performance. At the operating wavelength of 633nm, a Kretschmann-based SPR sensor has been proposed, which gives the highest sensitivity of 287.3 Deg/RIU. The principle of attenuated total reflection has been employed for the performance analysis of the sensor.

Optoelectronic and photo response performance of n-tris phenylpyridinato iridium/p-Si heterojunction device for photovoltaic applications

Tris 2-phenylpyridinato-C2, N Iridium III [Ir(ppy)3], was evaporated onto a p-type silicon sheet using a thermal evaporation process to create an n-Ir(ppy)3/p-Si junction. Some structural and topographical properties were investigated. Depending upon the forward bias voltage range, thermionic emission and space charge limited current (SCLC) appear to be the conduction mechanisms involved. For this device, we found the ideality factor (N) and reverse saturation current (Is) were evaluated and reported to be 8.07 × 10−9 and 7.8 × 10−9 A, respectively, at room temperature. The value of the diffusion potential (Vdo) was estimated from C–V characteristics both in the dark and at room temperatures. In addition, under illumination, we found the short-circuit current of the device to be Isc = 0.77 mA, the open-circuit voltage to be Voc = 0.42 V, the filling factor to be FF = 0.33%, and the photo-conversion efficiency to be η = 5.33%.

MP65-03 ASSESSMENT OF UROSTOMY PARASTOMAL HERNIATION FORCES AND PREVENTION STRATEGIES

You have accessJournal of UrologyCME1 Apr 2023MP65-03 ASSESSMENT OF UROSTOMY PARASTOMAL HERNIATION FORCES AND PREVENTION STRATEGIES Diboro Kanabolo, Adam Maxwell, Yashwanth Nanda Kumar, Ekaterina Kuznetsova, and George Schade Diboro KanaboloDiboro Kanabolo More articles by this author , Adam MaxwellAdam Maxwell More articles by this author , Yashwanth Nanda KumarYashwanth Nanda Kumar More articles by this author , Ekaterina KuznetsovaEkaterina Kuznetsova More articles by this author , and George SchadeGeorge Schade More articles by this author View All Author Informationhttps://doi.org/10.1097/JU.0000000000003323.03AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract INTRODUCTION AND OBJECTIVE: Approximately 10,000 patients undergo cystectomy with ileal conduit diversion annually in the USA, of which∼50% will subsequently develop a parastomal hernia (PSH) at 2 years. Despite this, no well-established “best” practice for stoma creation exists. Due to the knowledge gap between urostomy surgical factors and abdominal wall forces, we developed a silicone and ex-vivo porcine fascia-based model for study. Our objective was to measure the relationship between incision size/type/material and axial tension force (ATF) as a surrogate for herniation force. This model was then used to evaluate a clinically applicable prevention strategy. METHODS: See system in Fig. 1a. Using incisions (linear, cruciate, circular) ranging from 1 to 3 cm (0.5cm increments) in 0.5mm silicone sheets, a dynamometer was hooked to a Foley catheter at the drainage aperture. Balloons were hydrated to 125% incision dimension. Upward ATF was recorded until balloon herniation and repeated up to N=5 membranes/size. Clinically applicable sized fascia was then used. To test force with suture, 4-0 Nylon purse string suture 1.5mm from incision edge were used (1b). A plastic tab 10% of incision diameter was laid while tying suture to prevent incisional constriction. RESULTS: The silicone ATF for herniation varied widely by incision type (Range 2.36 – 35.05 N). Linear ATF was highest, matched for size. Cruciate ATF was significantly higher than circular for each size. 3 cm incisions in ex vivo porcine fascia (Fig. 2) performed similarly. Suture reinforcement significantly raised herniation ATF for all incision types in both silicone and fascia. For example, for 3 cm cruciate, suture increased ATF 2.4-fold in silicone (p=0.008) and 3.3-fold in fascia (p=0.0001, Fig. 2). CONCLUSIONS: This ex-vivo study suggests incision type, size, and suture reinforcement have predictable influences on ATF for herniation. En-bloc porcine and cadaveric human studies are underway to assessing these factors in more clinically optimized models. If confirmed, these data may be used to standardize urostomy creation, reducing PSH risk. Source of Funding: American Urology Association, Urology Care Foundation Research Award © 2023 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 209Issue Supplement 4April 2023Page: e890 Advertisement Copyright & Permissions© 2023 by American Urological Association Education and Research, Inc.MetricsAuthor Information Diboro Kanabolo More articles by this author Adam Maxwell More articles by this author Yashwanth Nanda Kumar More articles by this author Ekaterina Kuznetsova More articles by this author George Schade More articles by this author Expand All Advertisement PDF downloadLoading ...

Ultrasonic resonance-based inspection of ultra-thin nickel sheets bonded to silicone

In the field of non-destructive testing (NDT), The detection of bonding defects between ultra-thin metal and silica gel is a difficult problem. In this study, In this study, ultrasonic resonance method was used to evaluate the bonding strength of ultra-thin metal to silica gel bonding structure. The composite parts of ultra-thin nickel sheet and silicon sheet with three different bonding states were studied. The bonding state of nickel sheet and silica gel is different, and the absorption of ultrasound is different. Using the resonance generated by high-frequency ultrasound in ultra-thin nickel sheet, the acoustic attenuation of the combination of ultra-thin nickel sheet and silicon rubber sheet was analyzed by resonance signal, and the bonding state between ultra-thin nickel sheet and silicon rubber sheet was characterized by bonding coefficient. Through experimental comparison, the results showed that the attenuation of ultrasonic signal in the nickel sheet and silicon film with different adhesive states characterize the adhesive state of ultra-thin nickel sheet and silicon film by the bonding coefficient, the bonding coefficient of good parts, weak adhesive parts and debonded parts is reduced successively. By setting an appropriate determination threshold value, the bonding state between the ultra-thin nickel sheet and the silicon film can be accurately determined according to the bonding coefficient obtained by detection.

Machine Learning Empowered Magnetic Substrate Coupled Broadband and Miniaturized Frequency Selective Surface

This works offers a polarization-insensitive, wide angular stable, and wideband electromagnetic interference shielding structure using an integration of frequency selective surface (FSS) with magnetic substrates. The equivalent circuit model (ECM) together with the analytical model is derived to figure out the physics of the shielding structure. The overall inductance of the shielding structure is increased using a magnetic ferrite sheet and magnetic silicon rubber sheet as substrates. Further, four different deep neural network configurations are investigated with inverse modeling to predict the shielding structure parameters within a fraction of seconds. The mse between expected and predicted output is only 2.92 × <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$10^{-8}$</tex-math></inline-formula> . The entire X-band is shielded with a minimum 10-dB shielding effectiveness (SE) and with SE of 56 dB at resonance. The FSS unit cell size is only 0.21 <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$\lambda$</tex-math></inline-formula> × 0.21 <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$\lambda$</tex-math></inline-formula> . Furthermore, the proposed shielding structure shows stable transmission performance up to <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$75^{\circ}$</tex-math></inline-formula> angle of incidence for both perpendicular and parallel polarization. Finally, a prototype is fabricated and measured using nondestructive free space measurement. Good agreement among the simulated, ECM, analytical model, and measured results demonstrate the efficacy of the proposed technique for building an effective shielding structure.

Long-term follow up of surgical management of blood blister-like aneurysms at non-branching sites of the internal carotid artery.

To describe long-term follow-up of 25 patients who presented with subarachnoid hemorrhages due to blood blister-like aneurysms (BBAs) treated with direct clipping or clip reinforcement with or without direct neck repair. Between June 1993 and July 2009, 25 consecutive patients with ruptured BBAs of the supraclinoid internal carotid artery were retrospectively reviewed. The mean age of patients was 39.5 ± 11.3 years. The mean duration of clinical follow-up was 128.9 months (range, 85-196 months). All aneurysms were located in the supraclinoid portion of the internal carotid artery. The mean aneurysm diameter was 4.04 ± 1.3 mm on intra-operative microscopic field. Tearing of the aneurysmal neck during dissection occurred in 8 (32%) patients. Six of 7 patients with neck tearing underwent direct neck repair. Surgeons treated aneurysms via direct clipping with a Bemsheet® in 5 (20%) patients or by clip reinforcement with a silicone sheet in 20 (80%) patients. Clinical outcomes were favorable (modified Rankin Scale [mRS]: 0-2) in 21 (84%) of 25 patients. Four (16%) patients had an unfavorable outcome (mRS: 3-6). The patient with severe disability (mRS: 4) was treated with clip reinforcement and direct neck repair. Mild stenosis, moderate stenosis, and total occlusion of the parent artery were confirmed in 10 (40%) patients, 6 (24%) patients, and 1 (4%) patient, respectively. Although surgical treatment of BBAs was associated with varying degrees of parent vessel patency loss, long-term follow-up results for more than 10 years showed that direct surgical clipping or clip reinforcement with a silicone sheet appeared to be a curative surgery.

Dermal Nipple-Areola Complex Perfusion through Circumareolar Scars: A Delay Model in Two-Stage Nipple-Sparing Mastectomy.

Nipple-sparing mastectomy (NSM) has evolved as a standard surgical option. The NSM complication rate remains high in large breasts. To reduce the risk of necrosis, several authors have proposed delayed procedures to enhance blood supply to the nipple-areola complex (NAC). The purpose of this study in a porcine model was to show adequate redirection of NAC perfusion by neoangiogenesis through circumareolar scars. Delayed two-staged NSM was simulated in 52 nipples (six pigs) with a 60-day interval. The nipples underwent a full-thickness, circumareolar incision onto the muscular fascia, with preservation of underlying glandular perforators. After 60 days, NSM was performed through a radial incision. A silicone sheet was introduced in the mastectomy plane to prevent NAC revascularization by wound bed imbibition. Digital color imaging was used to assess necrosis. Near-infrared fluorescence with indocyanine green was used to assess perfusion patterns and perfusion in real time. No NAC necrosis was seen after 60 days' delay in any nipples. In all nipples, indocyanine green angiography showed complete alteration of the NAC vascular perfusion pattern from subjacent gland to a capillary fill following devascularization, exhibiting a predominant arteriolar capillary blush without distinct larger vessels. NAC delay reverses glandular perfusion to adequate dermal neovascularization. Neovascularization through full-thickness scars provides sufficient dermal perfusion after 60 days' delay. Identical staged delay in humans may be a surgically safe NSM option and could broaden therapeutic NSM indications in difficult breasts. Large clinical trials are necessary to provide identical results in human breasts. NAC delay reverses glandular perfusion to adequate dermal neovascularization. Neovascularization through full-thickness scars provides sufficient dermal perfusion after 60 days of delay. Identical staged delay in humans may be a surgically safe NSM option.

Shape optimization and demagnetization analysis of interior permanent magnet synchronous machine with hybrid cores

With designing stator teeth by using grain oriented silicon sheets (GO) and other parts still with non-grain oriented silicon sheets (NGO), the electromagnetic performance of interior permanent magnet synchronous machine (GO-IPMSM) can be improved greatly, however its torque ripple will be increased as well. For reducing its torque ripple, optimizing its rotor barrier shape is an effective way. In this paper, the polynomial method is proposed to establish the rotor barrier shape, and the genetic algorithm (GA) method is employed for the optimization process. In case the optimized GO-IPMSM can work normally, its anti irreversible demagnetization ability is analyzed as well. As shown, with the GO is adopted for designing the stator teeth and its rotor barrier shape is optimized, though its torque ability and efficiency have been increased, its anti irreversible demagnetization risk ability is reduced, however the proposed machine can still operate safely.

Scar Management and Dyschromia: A Summary Report from the 2021 American Burn Association State of the Science Meeting.

Burn scars, and in particular, hypertrophic scars, are a challenging yet common outcome for survivors of burn injuries. In 2021, the American Burn Association brought together experts in burn care and research to discuss critical topics related to burns, including burn scars, at its State of the Science conference. Clinicians and researchers with burn scar expertise, as well as burn patients, industry representatives, and other interested stakeholders met to discuss issues related to burn scars and discuss priorities for future burn scar research. The various preventative strategies and treatment modalities currently utilized for burn scars were discussed, including relatively noninvasive therapies such as massage, compression, and silicone sheeting, as well as medical interventions such as corticosteroid injection and laser therapies. A common theme that emerged is that the efficacy of current therapies for specific patient populations is not clear, and further research is needed to improve upon these treatments and develop more effective strategies to suppress scar formation. This will necessitate quantitative analyses of outcomes and would benefit from creation of scar biobanks and shared data resources. In addition, outcomes of importance to patients, such as scar dyschromia, must be given greater attention by clinicians and researchers to improve overall quality of life in burn survivors. Herein we summarize the main topics of discussion from this meeting and offer recommendations for areas where further research and development are needed.

Analysis of quantum confinement in nanosheet FETs by using a quantum drift diffusion model

AbstractIn this paper, we have analyzed quantum confinement effects in nanosheet MOSFETs by using a quantum drift‐diffusion (QDD) model. The QDD model is a device simulator which allows to simulate quantum confinement effects in the inversion layer for advanced MOSFETs. The quantum confinement effects in nanosheets have been analyzed by comparing the simulation results by QDD and drift‐diffusion (DD) model. The drain current ratio of DD to QDD is 250.1% at VG = 0.5 V and 180.1% at VG = 0 V. While the maximum electron density of DD exists at the interface between the insulator and the silicon sheet, that of QDD goes to near the center of the silicon sheet. The electron areal density ratio of DD to QDD is 118.3% in the direction of the 10 nm width of the silicon sheet and 176.9% in the direction of the 4 nm width.

The influence of structural parameters and layout form of silicon sheet on the spectrum characteristics of magnetic field in propulsion motor

For some propulsion motors that can utilize reluctance torque, the structure of d- and q-axis is different, resulting in more motor parameters and longer design cycle. To improve the design efficiency, the relationship between the spectrum characteristics of the magnetic field and the spatial distribution of silicon sheet in propulsion motor is researched and analyzed. A new design process is proposed based on researching this influence. By analyzing the spectrum characteristics of existing motor structures, the range of parameter optimization to achieve the final design is reduced. Finally, a simple example is given to verify the feasibility of the method by finite element method (FEM) and analyze the existing problems.

Secondary electron emission suppression on alumina surface and its application in multipactor suppression

For the high-power microwave (HPM) components applied to the space environment, the seed electrons in the components may resonate with the radio-frequency electrical field and may further lead the secondary electron multiplication to occur, triggering off the phenomenon of multipactor. Multipactor deteriorates the performance of the components, and in severe circumstances, it is even possible to result in the failure of the components or the spacecraft. Alumina ceramic possesses good dielectricity, high hardness, good thermal isolation, low dielectric loss, etc., so it is widely used in HPM systems including dielectric windows, and many other microwave components. However, alumina ceramic possesses a relatively high level of secondary electron yield (SEY or &lt;i&gt;δ&lt;/i&gt;), indicating that the devastating effect of multipactor discharge is likely to be triggered off inside the alumina-filled HPM components in the space environment. In this work, the model of alumina loaded coaxil low pass fillter is simulated to verify that reducing the SEY of the alumina surface is effective and necessary to improve the multipactor threshold. After that, we use several technologies to achieve an ultralow SEY on the alumina surface. Firstly, a series of microstructures with different porosities and aspect ratios is fabricated. The results indicate that the microstructure with 67.24% porosity and 1.57 aspect ratio shows an excellent low-SEY property, which is able to suppress the SEY peak value (&lt;i&gt;δ&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt;) of alumina from 2.46 to 1.10. Then, various process parameters are used to fabricate TiN films on silicon sheets. Experimental results indicate that the TiN film achieves the lowest &lt;i&gt;δ&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt; of 1.19 when the gas flow ratio of N&lt;sub&gt;2&lt;/sub&gt;∶Ar is 7.5∶15. Thereafter, we deposit TiN ceramic coating onto the laser-etched microstructure samples, and an ultralow &lt;i&gt;δ&lt;/i&gt;&lt;sub&gt;m&lt;/sub&gt; of 0.79 is finally achieved on alumina surface. Then we implement a qualitative analysis to explore the influence of surface charge on the secondary electron emission and multipactor for the microstructured alumina surface, discuss the mechanism of low-SEY surfaces mitigating unilateral and bilateral multipactor. For verifying the actual effect of low-SEY technologies on the suppression of multipactor, we use the technologies of constructing microstructure and depositing TiN films on the alumina surface which is filled in the designed coaxial low pass filter. Finally, we obtain a significant improvement in the multipactor threshold for the filter, which increases from 125 W to 650 W, and the improvement is 7.16 dB. This work develops an effective method to reduce SEY for alumina, which is of great scientific significance in revealing the mechanism of multipactor for the dielectric-filled microwave components and also is of engineering application significance in improving the reliability of HPM components.

Ultrasonic Cleaning for Irrigating Purulent Substances during Laparoscopic Gastrointestinal Surgery.

To improve the outcome of laparoscopic gastrointestinal surgery, improvement in the technology for removing purulent substances from the abdominal cavity is required. Ultrasonic cleaning technology may be suitable for the task. However, it is necessary to examine cleaning efficiency and safety through model tests that can lead to clinical trials for practical use. Nine surgical specialists first estimated the distribution of the actual attachment of purulent substances using videos of removing pus-like model dirt as an evaluation scale. Subsequently, cleaning tests were conducted using a small-size shower with model dirt that was somewhat difficult to remove, and its suitability as a model sample was confirmed. A mixture of miso and other substances was attached to a silicon sheet to prepare a test sample. The model dirt could be removed within a few seconds by cleaning using a probe-type ultrasonic homogenizer while the test sample was submerged in water. This performance greatly surpassed that of water flow cleaning under increased water pressure. An ultrasonic cleaner that is useful for irrigation during laparoscopic surgery will be suitable for practical use in laparoscopic surgery.

Sensitivity of horizontal ribbon growth to solidification kinetics

Simulations of horizontal ribbon growth of silicon using a high-order finite element method were used to assess the sensitivity of results to the coefficients used in the solidification kinetics model. The position of the leading edge of the silicon sheet showed little sensitivity to the kinetic coefficient of roughened growth or step propagation. However, there was a significant difference in the leading edge position and maximum pull speed predictions between three correlations of two-dimensional nucleation of silicon proposed in the literature. The deviation between the results using the three correlations increased with increasing pull speed. The significant sensitivity of results to two-dimensional nucleation coefficient indicates the importance of accurate modeling of the two-dimensional nucleation for horizontal ribbon growth of silicon and the possibility of using HRG experiments to help improve models of two-dimensional nucleation.

Semi-analytical model for stretch ratio determination in inflation test for isotropic membranes

This article wishes to contribute to the understanding of principal strains distribution in inflation test for circular isotropic soft membranes, combining analytical, numerical, and experimental investigations. The method developed gives a relatively simple and original solution of the deformation and thus of the stresses during an inflating test, provided that the measurement is sufficiently close to the pole. For this purpose, a semi-analytical model (SAM) is proposed and to evaluate that theory, two complementary approaches are used. The first approach is experimental. Inflation and uniaxial tensile tests are set up on medical silicone sheets to identify their hyperelastic constitutive parameters, using Digital Image Correlation. Then these mechanical properties are injected into a 3D finite element model (FEM) of membrane, simulating the inflation test, to compare the strains that had been obtained with those of the SAM. Numerical results show that the strain calculated by the SAM follows the pattern of the circumferential strain obtained by the FEM. Up to a certain distance from the center of the disk (half of the disk for our example), strain calculated by the SAM give a correct approximation of the deformation with respect to radial and circumferential FEM strains.

Intrauterine adhesion after hysteroscopic myomectomy of submucous myomas.

To evaluate the frequency of intrauterine adhesion (IUA) after hysteroscopic myomectomy, and to analyze the association of IUA and the location of submucous myomas and the use of postoperative barrier (POB). Hysteroscopic myomectomy was performed in 217 patients with submucous myomas. The retrospective investigation was performed, and the cases were divided into three groups: cases with solitary submucous myoma (SSM; group 1), cases with apposing submucous myomas (ASMs; group 2) and cases with submucous myomas that were far from each other or not in apposition to one another (not apposing submucous myomas: NASMs; group 3). As POB, intrauterine device with oxidized regenerated cellulose and silicon sheet was inserted immediately after surgery. IUA formation after hysteroscopic myomectomy was more frequent in group 2 than groups 1 and 3 (p=0.03 and 0.01, respectively), despite the higher rates of POB use (p=0.02). There was no significant difference in IUA formation in cases with POB between each group (p=0.06 and 0.21, respectively). But in cases without POB, group 2 showed higher rates of IUA formation than group 1 (p=0.04) and group 3 (p=0.03). Multivariable analysis for IUA formation demonstrated that ASMs were a risk factor of IUA (hazard ratio [HR]=27.9, p < 0.01), and the use of POB was a prognostic factor for reduction of IUA formation (HR=0.08, p < 0.01). ASMs appear to be a risk factor for IUA formation. The use of POB may be associated with preventing IUA formation after hysteroscopic myomectomy.

Wrapping the tendon after repair with silicon sheet to minify adhesion : evaluation of anew idea.

wrapping the tendon after repair with silicon sheet to minify adhesion : evaluation of anew idea.