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Journal articles on the topic 'Component separation technique'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Mandeville, A. N. "Insights gained from four component hydrograph separation." Hydrology Research 47, no. 3 (February 24, 2016): 606–18. http://dx.doi.org/10.2166/nh.2016.061.

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Traditional hydrograph separation techniques split an observed storm hydrograph into two main components representing ‘storm runoff’ and ‘baseflow’. In this paper a new separation technique is described which makes an initial split into two main components, quickflow and slowflow, which are each then subsequently split into two further subcomponents. The resulting procedure is termed the ‘four component hydrograph separation technique’. Various ways of recombining these four subcomponents to build up a curve that represents the observed storm hydrograph are possible, of which two ways are examined in further detail. If it is assumed that the four component separation technique provides a promising representation of an observed storm hydrograph, these two ways allow theoretical and practical insights to be gained into four existing hydrograph separation techniques. A conclusion, common to all four, is that much more care is required in naming the flow lines separating out each of the suggested subcomponents making up the observed storm hydrograph. This paper also emphasises the key role played by the slowflow storm runoff subcomponent, which has not been given sufficient prominence in existing event-based models in the past. A procedure for estimating each of the four subcomponents is illustrated for an observed event.

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2

Giurgius, M., L. Bendure, D. L. Davenport, and J. S. Roth. "The endoscopic component separation technique for hernia repair results in reduced morbidity compared to the open component separation technique." Hernia 16, no. 1 (August 11, 2011): 47–51. http://dx.doi.org/10.1007/s10029-011-0866-1.

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3

Bleichrodt, Robert P., Tammo S. de Vries Reilingh, Arian Malyar, Harm van Goor, Birgitta Hansson, and Berendina van der Kolk. "Component separation technique to repair large midline hernias." Operative Techniques in General Surgery 6, no. 3 (September 2004): 179–88. http://dx.doi.org/10.1053/j.optechgensurg.2004.07.001.

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4

Kabuli, N., P. Malone, and G. Offer. "Component separation- An evolving technique, a leicester experience." International Journal of Surgery 55 (July 2018): S88. http://dx.doi.org/10.1016/j.ijsu.2018.05.419.

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Irene, Mutua, and Swaleh Shahbal. "Repair of giant omphalocele by component separation technique." Journal of Pediatric Surgery Case Reports 42 (March 2019): 32–33. http://dx.doi.org/10.1016/j.epsc.2018.12.015.

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6

Goda, Ashraf, Mohamed Nasr, Osama H. Gharib, and Mostafa B. Mohamed. "Component separation technique for closure of burst abdomen." Ain Shams Journal of Surgery 12, no. 1 (January 1, 2014): 1–10. http://dx.doi.org/10.21608/asjs.2014.179586.

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7

Singh, Yogesh, and C. S. Rai. "An independent component analysis technique for blind source separation." Journal of Interdisciplinary Mathematics 5, no. 3 (January 2002): 231–41. http://dx.doi.org/10.1080/09720502.2002.10700319.

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8

Vassiliou, Menelaos, and Mimis Cohen. "Abdominal Wall Reconstruction with Component Separation Technique in Children." Plastic and Reconstructive Surgery 116, Supplement (September 2005): 123–25. http://dx.doi.org/10.1097/00006534-200509011-00102.

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9

Mirzabeigi, MN, I. Valerio, and G. Stofman. "187C: A NOVEL MINIMALLY INVASIVE TECHNIQUE FOR COMPONENT SEPARATION." Plastic and Reconstructive Surgery 125, Supplement (June 2010): 123. http://dx.doi.org/10.1097/01.prs.0000371921.65391.50.

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10

Shih, P. K. "Difficult abdominal wall closure: component separation versus partition technique." Hernia 19, no. 2 (March 25, 2014): 301–5. http://dx.doi.org/10.1007/s10029-014-1238-4.

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11

Eskandaros, MohebS, and AhmedA Darwish. "Component separation technique versus inlay mesh technique in patients with large incisional hernia." Egyptian Journal of Surgery 36, no. 2 (2017): 145. http://dx.doi.org/10.4103/1110-1121.204528.

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12

Wagner-Carena, Sebastian, Max Hopkins, Ana Diaz Rivero, and Cora Dvorkin. "A novel CMB component separation method: hierarchical generalized morphological component analysis." Monthly Notices of the Royal Astronomical Society 494, no. 1 (March 19, 2020): 1507–29. http://dx.doi.org/10.1093/mnras/staa744.

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ABSTRACT We present a novel technique for cosmic microwave background (CMB) foreground subtraction based on the framework of blind source separation. Inspired by previous work incorporating local variation to generalized morphological component analysis (GMCA), we introduce hierarchical GMCA (HGMCA), a Bayesian hierarchical graphical model for source separation. We test our method on Nside = 256 simulated sky maps that include dust, synchrotron, free–free, and anomalous microwave emission, and show that HGMCA reduces foreground contamination by $25{{\ \rm per\ cent}}$ over GMCA in both the regions included and excluded by the Planck UT78 mask, decreases the error in the measurement of the CMB temperature power spectrum to the 0.02–0.03 per cent level at ℓ > 200 (and $\lt 0.26{{\ \rm per\ cent}}$ for all ℓ), and reduces correlation to all the foregrounds. We find equivalent or improved performance when compared to state-of-the-art internal linear combination type algorithms on these simulations, suggesting that HGMCA may be a competitive alternative to foreground separation techniques previously applied to observed CMB data. Additionally, we show that our performance does not suffer when we perturb model parameters or alter the CMB realization, which suggests that our algorithm generalizes well beyond our simplified simulations. Our results open a new avenue for constructing CMB maps through Bayesian hierarchical analysis.

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13

Gujar, Dr Ajay A., Dr Attman P. Velani, Dr Amrita A. Gujar, and Dr Aashay Dharia. "Is the Anterior component separation technique sufficient for ventral hernia?" International Journal of Surgery Science 4, no. 3 (July 1, 2020): 82–84. http://dx.doi.org/10.33545/surgery.2020.v4.i3b.473.

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14

Maloney, Sean R., Kathryn A. Schlosser, Tanushree Prasad, Kevin R. Kasten, Keith S. Gersin, Paul D. Colavita, Kent W. Kercher, Vedra A. Augenstein, and B. Todd Heniford. "Twelve years of component separation technique in abdominal wall reconstruction." Surgery 166, no. 4 (October 2019): 435–44. http://dx.doi.org/10.1016/j.surg.2019.05.043.

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15

Cornette, Bram, Dirk De Bacquer, and Frederik Berrevoet. "Component separation technique for giant incisional hernia: A systematic review." American Journal of Surgery 215, no. 4 (April 2018): 719–26. http://dx.doi.org/10.1016/j.amjsurg.2017.07.032.

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16

Mazzocchi, Marco, Luca Andrea Dessy, Raul Ranno, Bruno Carlesimo, and Corrado Rubino. "“Component separation” technique and panniculectomy for repair of incisional hernia." American Journal of Surgery 201, no. 6 (June 2011): 776–83. http://dx.doi.org/10.1016/j.amjsurg.2010.04.013.

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17

Maloney, Sean R., Kathryn A. Schlosser, Tanushree Prasad, Paul D. Colavita, Kent W. Kercher, Vedra A. Augenstein, and B. Todd Heniford. "The impact of component separation technique versus no component separation technique on complications and quality of life in the repair of large ventral hernias." Surgical Endoscopy 34, no. 2 (June 19, 2019): 981–87. http://dx.doi.org/10.1007/s00464-019-06892-x.

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18

Albright, Emily, Dennis Diaz, Daniel Davenport, and John S. Roth. "The Component Separation Technique for Hernia Repair: A Comparison of Open and Endoscopic Techniques." American Surgeon 77, no. 7 (July 2011): 839–43. http://dx.doi.org/10.1177/000313481107700716.

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The open components separation technique (CST) for hernia repair allows for autologous tissue repair with approximation of the midline fascia in patients with complex hernias. CST requires creation of large undermining skin flaps, whereas the endoscopic component separation technique (ECST) is performed without division of the epigastric perforating vessels and may minimize wound morbidity. A review of patient demographics and outcome measures of patients undergoing CST and ECST between November 2008 and February 2010 was performed. Twenty-five patients were identified who underwent either CST (14 patients) or ECST (11 patients). There were no differences in body mass index (CST 34.8 kg/m2, ECST 37.5 kg/m2, P = 0.45), operating room times (CST 268 minutes, ECST 252 minutes, P = 0.54), or hospital length of stay (CST 5 days, ECST 5.8 days, P = 0.78). Wound complications occurred less with ECST (9 vs 57%, P = 0.03). The time to resolution of wound complications in ECST was reduced * 1 vs 4 months). No recurrences were seen in either group with a mean follow-up of 4months (range, 1 to 12 months). ECST and CST require similar operative times and hospital lengths of stay. ECST is associated with reduced wound complications compared with CST. Short-term recurrence rates with CST and ECST are comparable.

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19

Tang, Chun Hui, Hong Yang, Xia Ping Liu, and Zhuo Sun. "Separation of Bridge Deflection Signals Based on ICA." Advanced Materials Research 374-377 (October 2011): 2090–95. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.2090.

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In order to reject environmental factor effect from long-span bridge deflection signal, this document introduced the basic theory of independent component analysis (ICA) and applied FastICA algorithm to separate background engineering simulation signal, which was based on using vector-dimension-augmenting technique to process the signal after adopting fir lowpass filter to rejecte the high frequency component, and finally relized the separations of live load deflection, temperature difference deflection and long-term deflection. Campared separation results with deflection source signal, it was shown that the separation result was good when the correlation coefficients between separation signal and source signal were larger than 0.8.

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20

Kaplan, Sam T., and Kristopher A. Innanen. "Adaptive separation of free-surface multiples through independent component analysis." GEOPHYSICS 73, no. 3 (May 2008): V29—V36. http://dx.doi.org/10.1190/1.2890407.

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We present a three-stage algorithm for adaptive separation of free-surface multiples. The free-surface multiple elimination (FSME) method requires, as deterministic prerequisites, knowledge of the source wavelet and deghosted data. In their absence, FSME provides an estimate of free-surface multiples that must be subtracted adaptively from the data. First we construct several orders from the free-surface multiple prediction formula. Next we use the full recording duration of any given data trace to construct filters that attempt to match the data and the multiple predictions. This kind of filter produces adequate phase results, but the order-by-order nature of the free-surface algorithm brings results that remain insufficient for straightforward subtraction. Then we construct, trace by trace, a mixing model in which the mixtures are the data trace and its orders of multiple predictions. We separate the mixtures through a blind source separation technique, in particular by employing independent component analysis. One of the recovered signals is a data trace without free-surface multiples. This technique sidesteps the subtraction inherent in most adaptive subtraction methods by separating the desired signal from the free-surface multiples. The method was applied to synthetic and field data. We compared the field data to a published method and found comparable results.

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21

Xu, Jingye, Abinash Roy, and Masud H. Chowdhury. "Noise separation in analog integrated circuits using independent component analysis technique." Integrated Computer-Aided Engineering 15, no. 2 (February 18, 2008): 163–80. http://dx.doi.org/10.3233/ica-2008-15206.

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22

Punjani, Ramesh, Imran Shaikh, and Vinne Soni. "Component Separation Technique: an Effective Way of Treating Large Ventral Hernia." Indian Journal of Surgery 77, S3 (April 10, 2015): 1476–79. http://dx.doi.org/10.1007/s12262-015-1265-0.

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23

Ismail, Inzhili K., Carol E. Soteropulos, Alice C. Huang, Kristen M. Rezak, and Ashit Patel. "Transversalis fascia scoring: a new adjunct to anterior component separation technique." European Journal of Plastic Surgery 41, no. 3 (November 11, 2017): 329–34. http://dx.doi.org/10.1007/s00238-017-1370-3.

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24

Berti, Giovanni. "Background and Bragg Scattering Component Separation in Powders via the XRD Technique." Materials Science Forum 133-136 (January 1993): 83–88. http://dx.doi.org/10.4028/www.scientific.net/msf.133-136.83.

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25

Abdelwahab, MostafaB, Hussein Elgohary, and Ehab Oraby. "Primary ventral hernia repair: mini-component separation technique versus onlay mesh repair." Egyptian Journal of Surgery 36, no. 2 (2017): 174. http://dx.doi.org/10.4103/1110-1121.204533.

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26

Slater, Nicholas J., Loes Knaapen, Willem J. V. Bökkerink, Marleen J. A. Biemans, Otmar R. Buyne, Dietmar J. O. Ulrich, Robert P. Bleichrodt, and Harry van Goor. "Large Contaminated Ventral Hernia Repair Using Component Separation Technique with Synthetic Mesh." Plastic and Reconstructive Surgery 136, no. 6 (December 2015): 796e—805e. http://dx.doi.org/10.1097/prs.0000000000001793.

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27

Thomsen, C. Ø., T. L. Brøndum, and L. N. Jørgensen. "Quality of Life after Ventral Hernia Repair with Endoscopic Component Separation Technique." Scandinavian Journal of Surgery 105, no. 1 (February 13, 2015): 11–16. http://dx.doi.org/10.1177/1457496915571402.

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28

Muse, Thomas O., Brittany A. Zwischenberger, M. Troy Miller, Daniel A. Borman, Daniel L. Davenport, and J. Scott Roth. "Outcomes after Ventral Hernia Repair Using the Rives-Stoppa, Endoscopic, and Open Component Separation Techniques." American Surgeon 84, no. 3 (March 2018): 433–37. http://dx.doi.org/10.1177/000313481808400330.

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Complex ventral hernias remain a challenge for general surgeons despite advances in minimally invasive surgical techniques. This study compares outcomes following Rives-Stoppa (RS) repair, components separation technique with mesh (CST-M) or without mesh (CST), and endoscopic components separation technique (ECST). A retrospective review of patients undergoing open ventral hernia repair between 2006 and 2011 was performed. Analysis included patient demographics, surgical site occurrences, hernia recurrence, hospital readmission, and mortality. The search was limited to open repairs, specifically the RS, CST-M, CST, and ECST with mesh techniques. A total of 362 patients underwent repair with RS (66), CST-M (126), CST (117), or ECST (53). The groups were demographically similar. ECST was more frequently used for patients with a history of two or more recurrences ( P < 0.001). The RS method had the lowest rate of recurrence (9.1%) compared with CST and CST-M with 28 and 25 per cent recurrences, respectively ( P = 0.011). The RS recurrence rate was not significantly different than ECST (15%). There were no significant differences between groups for surgical site occurrences ( P = 0.305), hospital read-mission ( P = 0.288), or death ( P = 0.197). When components separation is necessary for complex ventral hernia repair, ECST is a viable option without added morbidity or mortality.

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29

Bachman, Sharon L., Archana Ramaswamy, and Bruce J. Ramshaw. "Early Results of Midline Hernia Repair Using a Minimally Invasive Component Separation Technique." American Surgeon 75, no. 7 (July 2009): 572–78. http://dx.doi.org/10.1177/000313480907500707.

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A minimally invasive component separation may lead to a dynamic abdominal wall after hernia repair, with reduced complications. We present early results of our patients undergoing this technique. Five patients were selected for open midline repairs; three with chronic infections, one with a prior midline skin graft, and one who desired a primary, tension-free repair. These three males and two females had a mean age of 50.8 ± 21.1 years and body mass index of 30.9 ± 6.2. The mean number of previous abdominal operations was 7 ± 3.4 and previous attempted hernia repairs were 4 ± 2.7. All patients had a midline laparotomy with lysis of adhesions. An endoscopic component separation was then performed bilaterally. Drains were left in the dissection bed. All patients had the midline closed; four received biologic mesh underlays. Mean operative time was 227 minutes ± 49. Mean length of stay (LOS) was 9.2 days ± 3.6. Early median follow-up was 6 months (range 0.25–9). Two patients required postop transfusions, and two patients had mild complications of the midline wound (hematoma, infection). To date, one recurrence was diagnosed by CT scan. Early evaluation of adopting the minimally invasive (MIS) component separation demonstrates minimal complications and good initial outcomes.

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CABRAS, GIUSEPPE, ROBERTO CARNIEL, and JOACHIM WASSERMANN. "BLIND SOURCE SEPARATION: AN APPLICATION TO THE MT. MERAPI VOLCANO, INDONESIA." Fluctuation and Noise Letters 08, no. 03n04 (December 2008): L249—L260. http://dx.doi.org/10.1142/s0219477508005124.

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Independent Component Analysis (ICA) is an emerging new technique in the blind identification of signals recorded in a variety of different fields. ICA tries to find the most statistically independent sources from an observable random vector, with the only restriction that all sources but at most one are non-Gaussian; no other a priori information on sources and mixing dynamic system are needed. The applications of these techniques to the analysis of volcanic time series are relatively few to date. In this paper we show that ICA is a suitable technique to separate a volcanic source component from ocean microseisms background noise in a seismic dataset recorded at the Mt. Merapi volcano, Indonesia. The encouraging results obtained with this methodology in the presented case study support their wider applicability in volcano seismology.

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31

Palmer, Derek S., Conner C. Mcdaniel, Navdeep S. Samra, and F. Dean Griffen. "Comparing Surgical Site Infection for Open and Endoscopic Component Separation." American Surgeon 85, no. 4 (April 2019): 350–52. http://dx.doi.org/10.1177/000313481908500423.

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In March 2016, we reported the SSI rate at LSU Health for all abdominal wall hernia repairs performed between 2011 and 2013. Among the 263 repairs, the infection rate averaged 6.8 per cent. Given the diversity of repairs, this global percentage lacks relevance, but looking at subsets provides meaningful insights. For example, SSI was 1.8 per cent among 55/263 laparoscopic repairs and 8.2 per cent among 206/263 open repairs. The infection rate of 26.3 per cent among the 19 open component separation cases was especially noteworthy and bothersome. Even though there was no mortality in any subset, the vast majority of the morbidity and costs involved repairs with open component separations. A meta-analysis published in 2016 revealed a likely SSI benefit for the endoscopic component separation technique (ECST) over the open CST. Since that report, we have focused our quality improvement efforts on this subset of challenging cases and have replaced CST with ECST. Our data now include results from 33 hernia repairs with either CSTor ECST that were performed between November 2011 and April 2018. Twenty-four of 33 patients had CSTwith an SSI rate of 37.5 per cent (9 of 24). Nine of 33 had ECST with 0 per cent SSI (P value = 0.039). These results mirror the findings reported in the meta-analysis.

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32

Gao, Jingpeng, Liangxi Shen, Lipeng Gao, and Yi Lu. "A Rapid Accurate Recognition System for Radar Emitter Signals." Electronics 8, no. 4 (April 25, 2019): 463. http://dx.doi.org/10.3390/electronics8040463.

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Radar signal recognition is an indispensable part of an electronic countermeasure system. In order to solve the problem that the current techniques have, which is a low recognition rate and a slow recognition speed for radar signals, a rapid accurate recognition system is proposed, especially for when multiple signals arrive at the receiver. The proposed system can recognize eight types of radar signals while separating signals: binary phase shift keying (BPSK), linear frequency modulation (LFM), Costas, Frank code, and P1–P4 codes. Regression variational mode decomposition (RVMD) is explored to separate the received signals, which saves time for parameter optimization of variational mode decomposition (VMD). Furthermore, signal separation and a noise removal technique based on VMD and the first component recognition technique based on a deep belief network (DBN) are proposed. In addition, in order to overcome the loss of the secondary component caused by signal separation, a fusion network is explored to increase the recognition rate of the secondary component in a short time. The simulation results show that the recognition system achieves an overall recognition rate of 99.5% and 94% at a signal-to-noise ratio (SNR) of 0 dB when receiving single signals and double signals, while spending 0.8 s and 2.23 s, respectively. The proposed system can also be used to recognize medical and mechanical signals.

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33

Carbonell Tatay, Fernando, Santiago Bonafé Diana, Providencia García Pastor, Concepción Gómez i. Gavara, and Ricardo Baquero Valdelomar. "New surgical technique in complex incisional hernias: Component Separation Technique (CST) with prosthesis and new muscle insertions." Cirugía Española (English Edition) 86, no. 2 (January 2009): 87–93. http://dx.doi.org/10.1016/s2173-5077(09)70075-4.

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34

Socea, Bogdan, Camelia Diaconu, Ovidiu Gabriel Bratu, Tiberiu Paul Neagu, Cristinel Dumitru Badiu, Grigore Busoi, and Vlad Denis Constantin. "Postoperative outcome of a giant incisional hernia resolved by anterior component separation technique." Romanian Journal of Medical Practice 13, no. 4 (December 31, 2018): 286–88. http://dx.doi.org/10.37897/rjmp.2018.4.9.

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35

van Eijck, Floortje C., Ivo de Blaauw, Robert P. Bleichrodt, Paul N. M. A. Rieu, Frans H. J. M. van der Staak, Marc H. W. A. Wijnen, and Rene M. H. Wijnen. "Closure of giant omphaloceles by the abdominal wall component separation technique in infants." Journal of Pediatric Surgery 43, no. 1 (January 2008): 246–50. http://dx.doi.org/10.1016/j.jpedsurg.2007.09.051.

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36

Nakajima, Shintaro, Katsuhito Suwa, Masamichi Ohtsu, Kazuo Kitagawa, Masahisa Okuma, Akihiko Fujita, Tetsuya Yamagata, Tomoyoshi Okamoto, Hideyuki Kashiwagi, and Katsuhiko Yanaga. "Repair of Recurrent Parastomal Hernia with a Component Separation Technique: A Case Report." Nippon Daicho Komonbyo Gakkai Zasshi 63, no. 4 (2010): 228–34. http://dx.doi.org/10.3862/jcoloproctology.63.228.

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37

Georgeson, K. E. "Closure of giant omphaloceles by the abdominal wall component separation technique in infants." Yearbook of Surgery 2009 (January 2009): 270–71. http://dx.doi.org/10.1016/s0090-3671(09)79341-3.

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38

Chandeze, M. M., D. Moszkowicz, and J. L. Bouillot. "Large incisional hernias: The double layer technique with anterior component separation (with video)." Journal of Visceral Surgery 156, no. 6 (December 2019): 553–54. http://dx.doi.org/10.1016/j.jviscsurg.2019.06.014.

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39

Lerchuk, Orest, Ia P. Feleshtynskyi, V. V. Smishchuk, V. F. Vatamaniuk, and S. A. Svyrydovskyi. "INTRAPERITONEAL ALLOPLASTY COMBINED WITH THE ANTERIOR COMPONENT SEPARATION TECHNIQUE IN GIANT INCISIONAL HERNIAS." Polish Journal of Surgery 91, no. 1 (December 10, 2018): 1–5. http://dx.doi.org/10.5604/01.3001.0012.7798.

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The use of the anterior technique of the abdominal wall components separation combined with ‘onlay’ aloplasty (ACST + onlay) in giant incisional hernias (IH) may pose a surgical challenge as it does not exclude increased intra-abdominal pressure (IAP) and the occurrence of abdominal compartment syndrome (ACS). There remains a high incidence of the surgical site complications. In our view, the use of intra-abdominal aloplasty combined with the anterior separation of the anterior abdominal wall components (ACST + IPOM) will contribute to the improvement of surgical outcomes in giant IH. Purpose: to improve the results of surgical treatment of giant IH by the use of ACST + IPOM. Materials and methods. Analysis of surgical treatment of 164 patients with giant IH aged 30 to 75 years (mean age 54.7 ± 3.3). Depending on the surgery, the patients were divided into 2 groups. Group I (82 patients) consisted of patients who underwent our modified technique, including ACST + IPOM. The surgery in group II (82 patients) involved ACST + onlay. Results and discussion. As compared with ACST + onlay, ACST + IPOM surgery contributes to a significantly reduced incidence of ACS [6.1% (group II) versus 0 (group I), (p <0.05)], seroma [25.6% versus 7.3%, p <0.05], surgical site infection (SSI) [4.9% versus 2.4%, p> 0.05], meshoma [3.7% versus 0] and hernia recurrences [6.5% versus 1.6%, p> 0.05]. Conclusions. IAP value equal or exceeding 9.1 mmHg (1.2 kPa) during the surgery in approximated rectus muscles is prognostic for ACS occurrence and requires intraoperative preventive measures. Utilization of ACST + IPOM in giant IH ensures an optimal volume of abdominal cavity without a substantial increase in IAP and reduces the probability of ACS, whereas the use of ACST + onlay results in ACN in 6.1% (p <0.05) patients. A reduced contact of the mesh with the subcutaneous tissue in ACST + IPOM contributes to a significantly lower incidence of seroma [7.3% vs 25.6% (p <0.05)], surgical site infection (SSI) [2.4% vs 4.9% (p> 0.05)], postoperative wound infiltrate [2 (2.4%) vs 11 (13.4%) (p <0.05)], chronic postsurgical pain [1 (1.6%) vs 5 (8.1%) (p> 0.05)] and recurrent IH [1 (1.6%) vs 4 (6.5%) (p> 0.05)] as compared with ACST + onlay technique.

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40

Blatnik, Jeffrey A., David M. Krpata, and Yuri W. Novitsky. "Transversus Abdominis Release as an Alternative Component Separation Technique for Ventral Hernia Repair." JAMA Surgery 151, no. 4 (April 1, 2016): 383. http://dx.doi.org/10.1001/jamasurg.2015.3611.

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41

Tosun, Salih, and Nesrin Gunduz. "Anterior Component Separation Technique Is Efficient Enough in Loss of Domain Hernia Treatment." Indian Journal of Surgery 82, no. 5 (April 18, 2020): 879–85. http://dx.doi.org/10.1007/s12262-020-02151-9.

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42

Poulakidas, Stathis, and Areta Kowal-Vern. "Component Separation Technique for Abdominal Wall Reconstruction in Burn Patients With Decompressive Laparotomies." Journal of Trauma: Injury, Infection, and Critical Care 67, no. 6 (December 2009): 1435–38. http://dx.doi.org/10.1097/ta.0b013e3181b5f346.

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Cavalli, M., P. G. Bruni, F. Lombardo, A. Morlacchi, C. Andretto Amodeo, and G. Campanelli. "Original concepts in anatomy, abdominal-wall surgery, and component separation technique and strategy." Hernia 24, no. 2 (September 6, 2019): 411–19. http://dx.doi.org/10.1007/s10029-019-02030-7.

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Palazzo, F., S. Ragazzi, D. Ferrara, and D. Piazza. "Herniated gravid uterus through an incisional hernia treated with the component separation technique." Hernia 14, no. 1 (May 13, 2009): 101–4. http://dx.doi.org/10.1007/s10029-009-0510-5.

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Denney, Brad, and Jorge I. De Latorre. "Multipoint Suture Fixation Technique for Abdominal Wall Reconstruction with Component Separation and Onlay Biological Mesh Placement." American Surgeon 83, no. 5 (May 2017): 515–21. http://dx.doi.org/10.1177/000313481708300529.

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Component separation with mesh reinforcement has become the primary modality for complex abdominal wall reconstruction. However, many fundamental questions remain unanswered, such as whether underlay versus overlay mesh placement is superior, and what is the best means of suture fixation technique for mesh placement? This study presents the senior author's technique for onlay biologic mesh placement with multipoint suture fixation in combination with component separation and its subsequent low recurrence rates. This is a retrospective review of the senior author's cases of component separation with onlay biologic mesh placement during his tenure at the home institution of the University of Alabama at Birmingham. A total of 75 patients were included, all of whom underwent complex abdominal wall reconstruction from September 2002 to April 2012. Patients were excluded from the dataset if their surgery occurred less than two years before date of data collection to give a minimum 2-year follow-up. Patients were identified by Current Procedural Terminology codes for component separation and their charts reviewed by the home institution's electronic medical record. Data point entries included patient demographics and comorbidities, concomitant procedures such as bowel resection or panniculectomy, and characteristics of the reconstruction such as type of mesh used. Primary data endpoints were complications following surgery, particularly recurrence and laxity. A total of 75 patients were included in the study from September 2002 to April 2012 with a minimum 2-year follow-up period. The recurrence rate was 13 per cent and the rate of laxity 2.7 per cent. There was one death (1.35%). The most frequent complication was seromas at a rate of 17 per cent. Multipoint fixation suture technique for abdominal wall reconstruction with component separation and onlay biologic mesh is a reproducible technique with reliably low recurrence rates.

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Eluru, Gangadhar, Pavan Nagendra, and Sai Siva Gorthi. "Microfluidic In-Flow Decantation Technique Using Stepped Pillar Arrays and Hydraulic Resistance Tuners." Micromachines 10, no. 7 (July 15, 2019): 471. http://dx.doi.org/10.3390/mi10070471.

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Separating the particles from the liquid component of sample solutions is important for several microfluidic-based sample preparations and/or sample handling techniques, such as plasma separation from whole blood, sheath-free flow focusing, particle enrichment etc. This paper presents a microfluidic in-flow decantation technique that provides the separation of particles from particle-free fluid while in-flow. The design involves the expansion of sample fluid channel in lateral and depth directions, thereby producing a particle-free layer towards the walls of the channel, followed by gradual extraction of this particle-free fluid through a series of tiny openings located towards one-end of the depth-direction. The latter part of this design is quite crucial in the functionality of this decantation technique and is based on the principle called wee-extraction. The design, theory, and simulations were presented to explain the principle-of-operation. To demonstrate the proof-of-principle, the experimental characterization was performed on beads, platelets, and blood samples at various hematocrits (2.5%–45%). The experiments revealed clog-free separation of particle-free fluid for at least an hour of operation of the device and demonstrated purities close to 100% and yields as high as 14%. The avenues to improve the yield are discussed along with several potential applications.

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Firas, A. A. K., Azmi Mohd Shariff, Lau Kok Keong, and Nurhayati Mellon. "Novel Approach and Setup for Multi Component Mixtures Separation and Analysis at Offshore Conditions." Applied Mechanics and Materials 625 (September 2014): 600–603. http://dx.doi.org/10.4028/www.scientific.net/amm.625.600.

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The precious demand not in the push away and broad off from receive forward developed technology approaches place the hand almost several lacks of warns and in-needed developed technique and techniques for greater than before contract and analysis for several issues, no complimentary and talk to studies within the literature describe the system comes in multi component and dual phase particularly for those that ought to be investigated at offshore conditions, the novel technique and setup has been created for such scope, the recently developed set up has the flexibility to analyses the sorption isotherms and kinetic for multi component and dual phase mixtures (gas and vapor) at offshore conditions in term of temperature up to 150 oC and pressure up to 150 bar. Additionally to the pretreatment that would be finished to the sorbents used at temperatures up to 400 oC and vacuumed pressure. The primer experiments are done using 13 X zeolites for the sorption of pure CO2 and binary mixtures (CO2 and CH4) at elevated conditions.

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Siju, E. N., Jolly Samu, M. Minil, and G. R. Rajalakshmi. "ADAPTOGENIC ACTIVE COMPONENT FROM MYXOPYRUM SMILACIFOLIUM." International Journal of Current Pharmaceutical Research 9, no. 1 (December 31, 2016): 110. http://dx.doi.org/10.22159/ijcpr.2017v9i1.16630.

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Objective: The present study was designed to investigate the adaptogenic active component from the extracts of Myxopyrum smilacifolium.Methods: The plant extract was undergone different separation technique viz precloumn, HPTLC, etc for isolation of pure compound. Thereafter the pure compound was subjected to IR, NMR, LC-MS for structural elucidation.Results: Chemical characterization of the adaptogenic fraction by spectroscopy showed iridoid glycoside as major constituents.Conclusion: The present study showed iridoid glycoside is considered the adaptogenic agents of Myxopyrum smilacifolium Blume.

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Carucci, Isabella P., Melis O. Irfan, and Jérôme Bobin. "Recovery of 21-cm intensity maps with sparse component separation." Monthly Notices of the Royal Astronomical Society 499, no. 1 (September 19, 2020): 304–19. http://dx.doi.org/10.1093/mnras/staa2854.

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ABSTRACT 21-cm intensity mapping has emerged as a promising technique to map the large-scale structure of the Universe. However, the presence of foregrounds with amplitudes orders of magnitude larger than the cosmological signal constitutes a critical challenge. Here, we test the sparsity-based algorithm generalized morphological component analysis (GMCA) as a blind component separation technique for this class of experiments. We test the GMCA performance against realistic full-sky mock temperature maps that include, besides astrophysical foregrounds, also a fraction of the polarized part of the signal leaked into the unpolarized one, a very troublesome foreground to subtract, usually referred to as polarization leakage. To our knowledge, this is the first time the removal of such component is performed with no prior assumption. We assess the success of the cleaning by comparing the true and recovered power spectra, in the angular and radial directions. In the best scenario looked at, GMCA is able to recover the input angular (radial) power spectrum with an average bias of ${\sim} 5{{\ \rm per\ cent}}$ for ℓ > 25 ($20\!-\!30 {{\ \rm per\ cent}}$ for $k_{\parallel } \gtrsim 0.02 \, h^{-1}$ Mpc), in the presence of polarization leakage. Our results are robust also when up to $40{{\ \rm per\ cent}}$ of channels are missing, mimicking a radio-frequency interference (RFI) flagging of the data. Having quantified the notable effect of polarization leakage on our results, in perspective we advocate the use of more realistic simulations when testing 21-cm intensity mapping capabilities.

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Ng, Nathaniel, Mallory Wampler, Humberto Palladino, Francisco Agullo, and Brian R. Davis. "Outcomes of Laparoscopic versus Open Fascial Component Separation for Complex Ventral Hernia Repair." American Surgeon 81, no. 7 (July 2015): 714–19. http://dx.doi.org/10.1177/000313481508100722.

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Ventral hernia recurrence rates have improved with advancements in technique. Open and laparoscopic fascial component separation techniques improve recurrence rates by allowing a tension free closure. This study examines laparoscopic component separation (LCS) and open component separation (OCS) techniques in the repair of complex ventral hernias and compares factors affecting patient outcomes. A retrospective chart review of patients who underwent ventral hernia repair with LCS and OCS was conducted between 2009 and 2013. Patient characteristics and outcomes were documented. Hernia recurrence was determined using physical exam and computed tomography if physical exam was equivocal. Univariate and multivariate analyses were performed. Ten patients underwent LCS and 38 underwent OCS. The rate of wound infection in the LCS group was 20 per cent versus 50 per cent in the OCS group. The overall rate of recurrence after LCS was 20 per cent, and 26 per cent in the OCS group. For body mass index > 30, the recurrence rate was 20 per cent in the LCS group and 29 per cent ( P = 0.5) in the open group. The use of LCS demonstrates a trend in the reduction of hernia recurrence and wound infection overall and in patients with body mass index > 30 compared with OCS.

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