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Author Inoguchi, Kyosuke| Hongo, Takashi| Naito, Hiromichi| Nakao, Atsunori|
Keywords sepsis pelvic abscess conservative treatment neurogenic bladder bladder rupture
Published Date 2021-10-19
Publication Title Cureus
Volume volume13
Issue issue10
Publisher CUREUS INC
Start Page e18913
ISSN 2168-8184
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 Inoguchi et al.
File Version publisher
DOI 10.7759/cureus.18913
Web of Science KeyUT 000709915500003
Related Url isVersionOf https://doi.org/10.7759/cureus.18913
JaLCDOI 10.18926/AMO/62811
FullText URL 75_6_713.pdf
Author Aoyama, Tatsuro| Ogiwara, Toshihiro| Ito, Kiyoshi| Miyaoka, Yoshinari| Fujii, Yu| Hanaoka, Yoshiki| Hasegawa, Takatoshi| Watanabe, Gen| Seguchi, Tatsuya| Hongo, Kazuhiro|
Abstract The consistency of spinal meningiomas is important to consider when performing tumor removal surgery. This study evaluated the correlations between spinal meningioma consistency and both preoperative computed tomography (CT) values and histopathological subtypes. Fifteen consecutive patients who underwent surgical resection of spinal meningioma at our institution were identified, and preoperative CT values and the signal intensity of T2-weighted magnetic resonance images of the tumor were determined retrospectively. The consistency of the spinal meningioma was defined based on the ultrasonic surgical aspirator output during tumor debulking. Patients were assigned to 2 groups: a soft group (n=4) and a hard group (n=11). The T2 signal intensity was significantly higher in the soft group than in the hard group (p=0.001). While the CT values were considerably higher in the hard group, the difference was not significant (p=0.19). Regarding the histopathological subtypes, psammomatous meningioma exhibited significantly higher CT values than meningothelial meningioma (p=0.019); however, there was a higher frequency of hard tumors in meningothelial meningioma cases than in psammomatous meningioma cases. Although neither robust correlations between tumor consistency and CT values nor a relationship between tumor consistency and histopathological subtype has been established, these results might help with the perioperative manegement of spinal tumors.
Keywords calcification computed tomography psammoma body spinal meningioma
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 713
End Page 718
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955539
Web of Science KeyUT 000735297900007
NAID 120007180281
JaLCDOI 10.18926/AMO/62808
FullText URL 75_6_691.pdf
Author Kato, Yuji| Hayashi, Takeshi| Kato, Ritsushi| Uchino, Akira| Takao, Masaki| Takahashi, Shinichi|
Abstract Although diagnostic and therapeutic strategies for acute stroke patients in Japan depend largely on magnetic resonance imaging (MRI), patients with cardiac implantable electronic devices (CIED) must still rely on com-puted tomography (CT). We retrospectively analyzed clinical and neuroimaging data of ischemic stroke patients with CIED treated at our hospital. Forty-five patients were enrolled in the study. Patients were divided into two groups according to whether corresponding lesions were detected (group A, n = 21) or not detected (group B, n = 24) by the first brain CT. We also evaluated in detail the clinical courses of patients who arrived at hospital within therapeutic time windows for recanalization therapy. Negative fresh infarct in the first CT was associated, though not significantly, with early onset-to-arrival time and subcortical white matter infarction. Five patients did not undergo recanalization therapy because their families did not agree to the procedure. The reasons for their lack of consent included inadequate information about the safety and efficacy of recanalization therapy because MRI could not be performed. Our study confirmed delayed detection of the corresponding lesion and undertreatment for acute stroke in patients with CIED.
Keywords stroke cardiac implantable electronic device computed tomography magnetic resonance imaging
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 691
End Page 697
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955536
Web of Science KeyUT 000735297900004
NAID 120007180284
FullText URL fulltext20211026-3.pdf Supplementary_Information_of_Nagaki_Rev.pdf
Author Nagaki, Kiyotaka| Furuta, Tomoyuki| Yamaji, Naoki| Kuniyoshi, Daichi| Ishihara, Megumi| Kishima, Yuji| Murata, Minoru| Hoshino, Atsushi| Takatsuka, Hirotomo|
Keywords Machine learning deep learning mitotic cell chromosome tetrad microscope
Note This is an Accepted Manuscript of an article published by Springer.
This fulltext is available in Oct. 2022.|
Published Date 2021-10-14
Publication Title Chromosome Research
Volume volume29
Issue issue3-4
Publisher Springer Science and Business Media LLC
Start Page 361
End Page 371
ISSN 0967-3849
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s), under exclusive licence to Springer Nature B.V. 2021
File Version author
DOI 10.1007/s10577-021-09676-z
FullText URL fulltext.pdf
Author Kitamura, Wataru| Ennishi, Daisuke| Yukawa, Ryoya| Sasaki, Ryo| Yoshida, Chikamasa| Takasuka, Hiroki| Fujiwara, Hideaki| Asada, Noboru| Nishimori, Hisakazu| Fujii, Keiko| Fujii, Nobuharu| Matsuoka, Ken-Ichi| Abe, Koji| Yoshino, Tadashi| Maeda, Yoshinobu|
Keywords peripheral T-cell lymphoma chorea single photon-emission computed tomography
Published Date 2021-10-01
Publication Title Internal Medicine
Volume volume60
Issue issue19
Publisher The Japanese Society of Internal Medicine
Start Page 3155
End Page 3160
ISSN 0918-2918
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 The Japanese Society of Internal Medicine
File Version publisher
PubMed ID 33814503
DOI 10.2169/internalmedicine.7180-21
Web of Science KeyUT 000706487700015
Related Url isVersionOf https://doi.org/10.2169/internalmedicine.7180-21
FullText URL fulltext.pdf
Author Inai, Ryota| Nakahara, Ryuichi| Morimitsu, Yusuke| Akagi, Noriaki| Marukawa, Youhei| Matsushita, Toshi| Tanaka, Takashi| Tada, Akihiro| Hiraki, Takao| Nasu, Yoshihisa| Nishida, Keiichiro| Ozaki, Toshifumi| Kanazawa, Susumu|
Keywords Osteoporosis Bone density Tomography (x-ray computed) X-ray microtomography
Published Date 2021-01-28
Publication Title European Radiology Experimental
Volume volume4
Issue issue1
Publisher Springer nature
Start Page 4
ISSN 2509-9280
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s). 2020
File Version publisher
PubMed ID 31993864
DOI 10.1186/s41747-019-0135-0
Web of Science KeyUT 000705622700001
Related Url isVersionOf https://doi.org/10.1186/s41747-019-0135-0
JaLCDOI 10.18926/AMO/62779
FullText URL 75_5_647.pdf
Author Uotani, Koji| Yamauchi, Taro| Sano, Keisuke| Sonobe, Hiroshi| Fujiwara, Yoshihiro| Maste, Praful Suresh| Sonawane, Sumeet | Tanaka, Masato|
Abstract Sacral schwannoma is a rare tumor with relatively few symptoms; it thus tends to be large at diagnosis and is challenging to treat surgically. We present the case of a 12-year-old girl with a large sacral schwannoma that was successfully surgically resected using O-arm navigation in a two-stage operation. First, we performed tumor resection from the posterior aspect with assisted O-arm navigation. One week later, resection from the anterior aspect was conducted with posterior spinopelvic fixation and fibula graft. We performed partial resection of the tumor from the anterior and posterior aspects as much as possible. O-arm navigation contributed to precise and safe tumor resection and implant insertion.
Keywords sacral schwannoma cellular schwannoma spinal tumor intradural extramedullary tumor O-arm navigation
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-10
Volume volume75
Issue issue5
Publisher Okayama University Medical School
Start Page 647
End Page 652
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34703049
Web of Science KeyUT 000711568400004
NAID 120007166664
JaLCDOI 10.18926/AMO/62778
FullText URL 75_5_641.pdf
Author Zulema Rosalia Arias Martinez| Jorge Luis Lopez Videla Montaño| Yamashiro, Keisuke| Shinoda-Ito, Yuki| Yamamoto, Tadashi| Takashiba, Shogo|
Abstract This case report highlights the importance of using a dental operating microscope (DOM) and ultrasonic endodontic tips (UETs) to locate all root canals in the lower first premolar. A 53-year-old woman presented to our clinic with pain in the lower right first premolar. After a detailed search using a DOM and UETs, three root canals were found, prepared with rotary HyFlex endodontic files, and obturated using the lateral condensation technique. At the five-year follow-up after treatment, the tooth was completely restored and fulfilling its function, with no signs or symptoms of any post-treatment flare-up.
Keywords dental operating microscope lower first premolar multiple canals ultrasonic endodontic tips
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-10
Volume volume75
Issue issue5
Publisher Okayama University Medical School
Start Page 641
End Page 645
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34703048
Web of Science KeyUT 000711568400003
NAID 120007166663
JaLCDOI 10.18926/AMO/62770
FullText URL 75_5_575.pdf
Author Suzuki, Hayato| Imai, Norio| Hirano, Yuki| Endo, Naoto|
Abstract HipCOMPASS, a mechanical intraoperative support device used in total hip arthroplasty (THA), improves the cup-alignment accuracy. However, the alignment accuracy achieved by HipCOMPASS has not been specifically examined in obese patients. In this study, we retrospectively evaluated the relation between alignment accuracy and several obesity-related parameters in 448 consecutive patients who underwent primary THA using HipCOMPASS. We used computed tomography (CT) to measure the preoperative soft-tissue thickness of the anterior-superior iliac spine (ASIS) and pubic symphysis and the differences between preoperative and postoperative cup angle based on the cup-alignment error. We found significant correlations between the absolute value of radiographic anteversion difference and body mass index (r = 0.205), ASIS thickness (r = 0.419), and pubic symphysis thickness (r = 0.434). The absolute value of radiographic inclination difference was significantly correlated with ASIS (r = 0.257) and pubic symphysis thickness (r = 0.202). The receiver operating characteristic curve showed a pubic symphysis thickness of 37.2 mm for a ≥ 5° implantation error in both radiographic inclination and anteversion simultaneously. The cup-alignment error for HipCOMPASS was large in patients whose pubic symphysis thickness was ≥ 37.2 mm on preoperative CT. Our results indicate that methods other than HipCOMPASS, including computed tomography-based navigation systems, might be preferable in obese patients.
Keywords HipCOMPASS total hip arthroplasty cup-alignment accuracy body mass index soft-tissue thickness
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-10
Volume volume75
Issue issue5
Publisher Okayama University Medical School
Start Page 575
End Page 583
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34703040
Web of Science KeyUT 000711561600004
NAID 120007166670
FullText URL fulltext20211015-4.pdf
Author Masui, Masanori| Ibaragi, Soichiro| Takeshita, Yohei| Iwanaga, Joe| Kunisada, Yuki| Sasaki, Akira|
Keywords Wisdom tooth lower third molar tooth extraction infection Ludwig’s angina lingual nerve injury
Note This is an Accepted Manuscript of an article published by Springer.
This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s10006-021-01012-3|
Published Date 2021-10-1
Publication Title Oral and Maxillofacial Surgery
Publisher Springer Science and Business Media LLC
ISSN 1865-1550
NCID AA12323851
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature
File Version author
PubMed ID 34596806
DOI 10.1007/s10006-021-01012-3
Web of Science KeyUT 000702587300002
Related Url isVersionOf https://doi.org/10.1007/s10006-021-01012-3
Title Alternative Artificial intelligence research in gastroenterology
FullText URL 133_116.pdf
Author Kawahara, Yoshiro| Hori, Keisuke|
Keywords 内視鏡診断 computer-aided diagnosis 畳み込みニューラルネットワーク 早期胃癌 データ拡張
Publication Title Journal of Okayama Medical Association
Published Date 2021-08-02
Volume volume133
Issue issue2
Start Page 116
End Page 119
ISSN 0030-1558
Related Url isVersionOf https://doi.org/10.4044/joma.133.116
language Japanese
Copyright Holders Copyright (c) 2021 岡山医学会
File Version publisher
DOI 10.4044/joma.133.116
FullText URL fulltext20211018-1.pdf
Author Hiranaka, Takaaki| Furumatsu, Takayuki| Okazaki, Yuki| Kintaka, Keisuke| Yamawaki, Tadashi| Ozaki, Toshifumi|
Note © 2021 The Japanese Orthopaedic Association. This manuscript version is made available under the CC-BY-NC-ND 4.0 License.http://creativecommons.org/licenses/by-nc-nd/4.0/.This is the accepted manuscript version. The formal published version is available at [https://doi.org/10.1016/j.jos.2021.04.002] .|
Published Date 2021-05-24
Publication Title Journal of Orthopaedic Science
Publisher Elsevier B.V.
ISSN 09492658
NCID AA11052566
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.
File Version author
DOI 10.1016/j.jos.2021.04.002
Related Url isVersionOf https://doi.org/10.1016/j.jos.2021.04.002
FullText URL fulltext.pdf
Author Sato, Ryoichi| Kodera, Yuta| Ali, Md. Arshad| Kusaka, Takuya| Nogami, Yasuyuki| Morelos-Zaragoza, Robert H.|
Keywords entropy field programmable gate array true random number generator period ring oscillator stomatic process state transition XOR gate
Published Date 2021-09-05
Publication Title Entropy
Volume volume23
Issue issue9
Publisher MDPI
Start Page 1168
ISSN 1099-4300
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 by the authors.
File Version publisher
PubMed ID 34573793
DOI 10.3390/e23091168
Web of Science KeyUT 000699789000001
Related Url isVersionOf https://doi.org/10.3390/e23091168
FullText URL fulltext.pdf
Author Ahmed, Feroz| Yoshida, Yuichi| Wang, Jin| Sakai, Kenji| Kiwa, Toshihiko|
Published Date 2021-07-26
Publication Title AIP Advances
Volume volume11
Issue issue7
Publisher AIP Publishing
Start Page 75224
ISSN 2158-3226
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 Author(s).
File Version publisher
DOI 10.1063/5.0056597
Web of Science KeyUT 000692318200001
Related Url isVersionOf https://doi.org/10.1063/5.0056597
JaLCDOI 10.18926/AMO/62407
FullText URL 75_4_529.pdf
Author Inada, Ryo| Watanabe, Ayako| Toshima, Toshiaki| Katsura, Yuki| Sato, Takuji| Sui, Kenta| Oishi, Kazuyuki| Okabayashi, Takehiro| Ozaki, Kazuhide| Shibuya, Yuichi| Matsumoto, Manabu| Iwata, Jun|
Abstract A 67-year-old woman underwent polypectomy for a tumor at the descending colon. Pathologically, the tumor was diagnosed as adenocarcinoma with an invasion of 2000 μm. Computed tomography showed a swollen paracolic lymph node and a mass lesion in the presacral space. Magnetic resonance imaging revealed a multio-cular cystic lesion. On diagnosis of descending colon cancer and tailgut cyst, she underwent synchronous lapa-roscopic resection. Histopathologically, the colon cancer was diagnosed as pT1bN1M0, pStage IIIa. The pre-sacral cystic lesion was diagnosed as a nonmalignant tailgut cyst with negative surgical margin. The patient is currently doing well without recurrence at 28 months.
Keywords anterior approach laparoscopic resection tailgut cyst
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-08
Volume volume75
Issue issue4
Publisher Okayama University Medical School
Start Page 529
End Page 532
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34511622
Web of Science KeyUT 000696755800001
NAID 120007146033
JaLCDOI 10.18926/AMO/62406
FullText URL 75_4_523.pdf
Author Yamashita, Mampei| Kuroki, Tamotsu| Matsuoka, Yuki| Miura, Shiro| Hamada, Takashi| Hirayama, Takanori| Yoneda, Akira| Tokunaga, Takayuki| Yamanouchi, Kosho| Takeshita, Hiroaki| Maeda, Shigeto|
Abstract Acute mesenteric ischemia (AMI) is often caused by superior mesenteric artery (SMA) embolization. We report a rare case of synchronous celiac axis and SMA embolization in an elderly woman with initially mild abdominal pain. Ultimately, a second contrast-enhanced computed tomography revealed extensive necrosis from the stomach to the transverse colon together with liver ischemia due to hours of occlusion. Multiorgan failure made palliation the only option, and she died the following evening. Autopsy revealed a fragile atherosclerosis-asso-ciated thrombus. Careful examination and repeat diagnostic tests should be performed in patients with mild abdominal symptoms at risk for AMI.
Keywords atherosclerosis celiac axis mesenteric ischemia superior mesenteric artery thromboembolism
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-08
Volume volume75
Issue issue4
Publisher Okayama University Medical School
Start Page 523
End Page 527
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34511621
Web of Science KeyUT 000709282300007
NAID 120007146032
FullText URL fulltext.pdf
Author Ichikawa, Keishi| Miyoshi, Toru| Osawa, Kazuhiro| Miki, Takashi| Morimitsu, Yusuke| Akagi, Noriaki| Nakashima, Mitsutaka| Ito, Hiroshi|
Keywords coronary computed tomography angiography non-alcoholic fatty liver disease perivascular coronary inflammation
Published Date 2021-08-27
Publication Title Medicine
Volume volume100
Issue issue34
Publisher Lippincott Williams & Wilkins
Start Page e27043
ISSN 0025-7974
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 the Author(s).
File Version publisher
PubMed ID 34449489
DOI 10.1097/MD.0000000000027043
Web of Science KeyUT 000691370700047
Related Url isVersionOf https://doi.org/10.1097/MD.0000000000027043
JaLCDOI 10.18926/AMO/62380
FullText URL 75_4_423.pdf
Author Takihira, Shota| Furumatsu, Takayuki| Okazaki, Yuki| Hiranaka, Takaaki| Kintaka, Keisuke| Kodama, Yuya| Kamatsuki, Yusuke| Miyazawa, Shinichi| Ozaki, Toshifumi |
Abstract The treatment of medial meniscus posterior root tears (MMPRTs) has evolved to include a variety of repair strategies. This study investigated the location of the articular cartilage degeneration during second-look arthroscopy after transtibial pullout repair with a modified Mason-Allen suture using FasT-Fix (F-MMA) in 22 patients with MMPRTs. Second-look arthroscopy was performed approximately 1 year postoperatively to eval-uate the healing status of the medial meniscus (MM). Articular cartilage degeneration was assessed using the International Cartilage Repair Society grade at primary surgery and again at second-look arthroscopy. Articular surfaces of the medial/lateral femoral condyles, the medial/lateral tibial plateaus, the patella and the trochlea were divided into several subcompartments (MF 1-9, LF 1-9, MT 1-5, LT 1-5, P 1-9, T 1-3). Clinical evaluations used the Japanese Knee Injury and Osteoarthritis Outcome, Lysholm, and International Knee Documentation Committee scores. Second-look arthroscopic findings showed complete healing of the MM posterior root in all patients. Significant differences between pullout repair and second-look arthroscopy were observed for MF 2 and 4, LF 7, and P 7. All clinical outcomes were improved. Our results indicate that this technique improves clinical outcomes postoperatively and may prevent the progression of cartilage degenera-tion on the loading surface of the medial knee compartment.
Keywords articular cartilage medial meniscus modified Mason-Allen suture technique posterior root tear second-look arthroscopy
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-08
Volume volume75
Issue issue4
Publisher Okayama University Medical School
Start Page 423
End Page 430
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34511608
Web of Science KeyUT 000697944600003
NAID 120007146061
FullText URL fulltext.pdf
Author Hamaguchi, Hisashi| Yumoto, Tetsuya| Mae, Soichiro| Takeshita, Ayumu| Aoyama, Minae| Yamana, Keiya| Nakao, Atsunori|
Keywords Hyperostosis diffuse idiopathic skeletal spinal injuries traumatology urinary retention
Published Date 2021-06-23
Publication Title Clinical Medicine Insights-Case Reports
Volume volume14
Publisher Sage Publications Ltd
Start Page 1
End Page 3
ISSN 1179-5476
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2021
File Version publisher
PubMed ID 34248361
DOI 10.1177/11795476211027988
Web of Science KeyUT 000688111200001
Related Url isVersionOf https://doi.org/10.1177/11795476211027988
FullText URL fulltext20210811-16.pdf
Author Ishihara, Takashi| Sato, Masaya| Yamauchi, Toshihiro|
Keywords Malicious Websites Blacklist Web-based Attack Android
Note © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
This fulltext is available in Nov. 2022.|
7th International Workshop on Information and Communication Security (WICS 2020), Naha, Japan, 24-27 Nov. 2020|
Published Date 2020-11
Publication Title 2020 Eighth International Symposium on Computing and Networking Workshops (CANDARW)
Publisher IEEE
Start Page 20489448
Content Type Conference Paper
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2020 IEEE
File Version author
DOI 10.1109/candarw51189.2020.00070
Related Url isVersionOf https://doi.org/10.1109/candarw51189.2020.00070