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Article: Development of Artificial Intelligence for Determining Major Depressive Disorder Based on Resting-State EEG and Single-Pulse Transcranial Magnetic Stimulation-Evoked EEG Indices.

Noda, Yoshihiro / Sakaue, Kento / Wada, Masataka / Takano, Mayuko / Nakajima, Shinichiro

2024 Volume 14, Issue 1

Abstract: Depression is the disorder with the greatest socioeconomic burdens. Its diagnosis is still based on an operational diagnosis derived from symptoms, and no objective diagnostic indicators exist. Thus, the present study aimed to develop an artificial ... ...

Abstract	Depression is the disorder with the greatest socioeconomic burdens. Its diagnosis is still based on an operational diagnosis derived from symptoms, and no objective diagnostic indicators exist. Thus, the present study aimed to develop an artificial intelligence (AI) model to aid in the diagnosis of depression from electroencephalography (EEG) data by applying machine learning to resting-state EEG and transcranial magnetic stimulation (TMS)-evoked EEG acquired from patients with depression and healthy controls. Resting-state EEG and single-pulse TMS-EEG were acquired from 60 patients and 60 healthy controls. Power spectrum analysis, phase synchronization analysis, and phase-amplitude coupling analysis were conducted on EEG data to extract feature candidates to apply different types of machine learning algorithms. Furthermore, to address the limitation of the sample size, dimensionality reduction was performed in a manner to increase the quality of information by featuring robust neurophysiological metrics that showed significant differences between the two groups. Then, nine different machine learning models were applied to the data. For the EEG data, we created models combining four modalities, including (1) resting-state EEG, (2) pre-stimulus TMS-EEG, (3) post-stimulus TMS-EEG, and (4) differences between pre- and post-stimulus TMS-EEG, and evaluated their performance. We found that the best estimation performance (a mean area under the curve of 0.922) was obtained using receiver operating characteristic curve analysis when linear discriminant analysis (LDA) was applied to the combination of the four feature sets. This study showed that by using TMS-EEG neurophysiological indices as features, it is possible to develop a depression decision-support AI algorithm that exhibits high discrimination accuracy.
Language	English
Publishing date	2024-01-17
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2662248-8
ISSN	2075-4426
ISSN	2075-4426
DOI	10.3390/jpm14010101
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Article: Appropriate Endotracheal Tube Position for Percutaneous Dilatational Tracheostomy: A Single-Center Observational Study.

Michishita, Takahiro / Suzuki, Naoya / Abe, Takeru / Nakajima, Kento / Gakumazawa, Masayasu / Doi, Tomoki / Takeuchi, Ichiro

Cureus

2024 Volume 16, Issue 1, Page(s) e51895

Abstract: Aim This study aimed to investigate the appropriate endotracheal tube (ETT) position during percutaneous dilatational tracheostomy (PDT). Methods This single-center observational study included hospitalized patients who underwent surgical tracheostomy ( ... ...

Abstract	Aim This study aimed to investigate the appropriate endotracheal tube (ETT) position during percutaneous dilatational tracheostomy (PDT). Methods This single-center observational study included hospitalized patients who underwent surgical tracheostomy (ST) between August 2021 and October 2022. During ST, the trachea was opened, and the ETT was pulled out visually. It stopped when the ETT was no longer visible, and the tracheostomy tube was placed in the trachea. The ETT position was measured by considering the ETT position during ST to be the appropriate position during PDT. The correlation between the measured ETT position and patient characteristics was evaluated. A prediction equation for the ETT position was derived from the derivation group, and validation of the prediction equation was evaluated by the validation group. Results Forty-six and 15 patients were in the derivation and validation groups, respectively. Weight, duration of intubation, and in-hospital mortality were significantly different between the two groups. The measured ETT position correlated with body height (r=0.60, p<0.001) and sex (r=0.45, p=0.002), while the ETT position before ST showed a weak correlation (r=0.34, p=0.020). The predicted and measured values in the validation group correlated with each other (r=0.58, p=0.024). Conclusion The appropriate ETT position for PDT correlates with body height, and the equation "body height×0.112-0.323 cm" was derived. This predictive equation may be useful as a guide for ETT positioning during PDT puncture.
Language	English
Publishing date	2024-01-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.51895
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Article ; Online: Laparoscopy for emergency abdominal surgery is associated with reduced physical functional decline in older patients: a cohort study.

Yamaguchi, Keishi / Abe, Takeru / Matsumoto, Shokei / Nakajima, Kento / Shimizu, Masayuki / Takeuchi, Ichiro

BMC geriatrics

2024 Volume 24, Issue 1, Page(s) 250

Abstract: Background: An increasing number of older patients require emergency abdominal surgery for acute abdomen. They are susceptible to surgical stress and lose their independence in performing daily activities. Laparoscopic surgery is associated with faster ... ...

Abstract	Background: An increasing number of older patients require emergency abdominal surgery for acute abdomen. They are susceptible to surgical stress and lose their independence in performing daily activities. Laparoscopic surgery is associated with faster recovery, less postoperative pain, and shorter hospital stay. However, few studies have examined the relationship between laparoscopic surgery and physical functional decline. Thus, we aimed to examine the relationship between changes in physical function and the surgical procedure. Methods: In this was a single-center, retrospective cohort study, we enrolled patients who were aged ≥ 65 years and underwent emergency abdominal surgery for acute abdomen between January 1, 2019, and December 31, 2021. We assessed their activities of daily living using the Barthel Index. Functional decline was defined as a decrease of ≥ 20 points in Barthel Index at 28 days postoperatively, compared with the preoperative value. We evaluated an association between functional decline and surgical procedures among older patients, using multiple logistic regression analysis. Results: During the study period, 852 patients underwent emergency abdominal surgery. Among these, 280 patients were eligible for the analysis. Among them, 94 underwent laparoscopic surgery, while 186 underwent open surgery. Patients who underwent laparoscopic surgery showed a less functional decline at 28 days postoperatively (6 vs. 49, p < 0.001). After adjustments for other covariates, laparoscopic surgery was an independent preventive factor for postoperative functional decline (OR, 0.22; 95% CI, 0.05-0.83; p < 0.05). Conclusions: In emergency abdominal surgery, laparoscopic surgery reduces postoperative physical functional decline in older patients. Widespread use of laparoscopic surgery can potentially preserve patient quality of life and may be important for the better development of emergency abdominal surgery.
MeSH term(s)	Humans ; Aged ; Cohort Studies ; Retrospective Studies ; Abdomen, Acute ; Quality of Life ; Activities of Daily Living ; Laparoscopy/methods ; Postoperative Complications
Language	English
Publishing date	2024-03-12
Publishing country	England
Document type	Journal Article
ZDB-ID	2059865-8
ISSN	1471-2318 ; 1471-2318
ISSN (online)	1471-2318
ISSN	1471-2318
DOI	10.1186/s12877-024-04872-y
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Article ; Online: Anti-SARS-CoV-2 Agents in

Maehara, Shoji / Nakajima, Shogo / Watashi, Koichi / Agusta, Andria / Kikuchi, Misato / Hata, Toshiyuki / Takayama, Kento

Journal of fungi (Basel, Switzerland)

2023 Volume 9, Issue 9

Abstract: Coronavirus disease 2019 is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Therapeutic agents for the disease are being developed. Endophytes are diverse and produce various secondary metabolites and bioactive substances. We ... ...

Abstract	Coronavirus disease 2019 is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Therapeutic agents for the disease are being developed. Endophytes are diverse and produce various secondary metabolites and bioactive substances. We isolated 13 endophytes from the leaves and stems of
Language	English
Publishing date	2023-09-05
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2784229-0
ISSN	2309-608X ; 2309-608X
ISSN (online)	2309-608X
ISSN	2309-608X
DOI	10.3390/jof9090905
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Article: Safety and Efficacy of Elobixibat, an Ileal Bile Acid Transporter Inhibitor, in Elderly Patients With Chronic Idiopathic Constipation According to Administration Time: Interim Analysis of Post-marketing Surveillance.

Nakajima, Atsushi / Fujimaki, Mio / Arai, Yuki / Emori, Kento

Journal of neurogastroenterology and motility

2022 Volume 28, Issue 3, Page(s) 431–441

Abstract: Background/aims: Elobixibat, an ileal bile acid transporter (apical sodium-dependent bile acid transporter) inhibitor, was recently launched in Japan for the treatment of chronic idiopathic constipation. We conducted an interim analysis of post- ... ...

Abstract	Background/aims: Elobixibat, an ileal bile acid transporter (apical sodium-dependent bile acid transporter) inhibitor, was recently launched in Japan for the treatment of chronic idiopathic constipation. We conducted an interim analysis of post-marketing surveillance to evaluate the safety and efficacy of elobixibat in elderly patients with chronic constipation and compared the efficacy according to administration time. Methods: Safety and efficacy outcomes were evaluated through patient interviews for 4 weeks. Results: Adverse drug reactions (ADRs) were observed in 5.24% of the 1049 patients analyzed; diarrhea (2.19%) and abdominal pain (1.81%) were the most common. A serious ADR of death was reported in one patient (0.10%). The incidence of ADRs in the ≥ 65-year old or ≥ 75-year-old subpopulation was similar to that in the total patient population. Mean bowel movements per week significantly increased from 2.9 ± 2.5 at baseline to 5.0 ± 3.1 ( Conclusion: The results suggested that elobixibat was well-tolerated and efficacious in elderly patients with chronic constipation and can be administered before any meals.
Language	English
Publishing date	2022-07-07
Publishing country	Korea (South)
Document type	Journal Article
ZDB-ID	2573719-3
ISSN	2093-0887 ; 2093-0879
ISSN (online)	2093-0887
ISSN	2093-0879
DOI	10.5056/jnm20263
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Article ; Online: Identification of differentially methylated regions associated with both liver fibrosis and hepatocellular carcinoma.

Kurokawa, Suguru / Kobori, Takuro / Yoneda, Masato / Ogawa, Yuji / Honda, Yasushi / Kessoku, Takaomi / Imajo, Kento / Saito, Satoru / Nakajima, Atsushi / Hotta, Kikuko

BMC gastroenterology

2024 Volume 24, Issue 1, Page(s) 57

Abstract: Background: Liver fibrosis is a major risk factor for hepatocellular carcinoma (HCC). We have previously reported that differentially methylated regions (DMRs) are correlated with the fibrosis stages of metabolic dysfunction-associated steatotic liver ... ...

Abstract	Background: Liver fibrosis is a major risk factor for hepatocellular carcinoma (HCC). We have previously reported that differentially methylated regions (DMRs) are correlated with the fibrosis stages of metabolic dysfunction-associated steatotic liver disease (MASLD). In this study, the methylation levels of those DMRs in liver fibrosis and subsequent HCC were examined. Methods: The methylation levels of DMRs were investigated using alcoholic cirrhosis and HCC (GSE60753). The data of hepatitis C virus-infected cirrhosis and HCC (GSE60753), and two datasets (GSE56588 and GSE89852) were used for replication analyses. The transcriptional analyses were performed using GSE114564, GSE94660, and GSE142530. Results: Hypomethylated DMR and increased transcriptional level of zinc finger and BTB domain containing 38 (ZBTB38) were observed in HCC. Hypermethylated DMRs, and increased transcriptional levels of forkhead box K1 (FOXK1) and zinc finger CCCH-type containing 3 (ZC3H3) were observed in HCC. The methylation levels of DMR of kazrin, periplakin interacting protein (KAZN) and its expression levels were gradually decreased as cirrhosis progressed to HCC. Conclusions: Changes in the methylation and transcriptional levels of ZBTB38, ZC3H3, FOXK1, and KAZN are important for the development of fibrosis and HCC; and are therefore potential therapeutic targets and diagnostic tools for cirrhosis and HCC.
MeSH term(s)	Humans ; Carcinoma, Hepatocellular/pathology ; Liver Neoplasms/pathology ; DNA Methylation ; Liver Cirrhosis/complications ; Hepatitis C/complications ; Forkhead Transcription Factors
Chemical Substances	FOXK1 protein, human ; Forkhead Transcription Factors
Language	English
Publishing date	2024-02-01
Publishing country	England
Document type	Journal Article
ZDB-ID	2041351-8
ISSN	1471-230X ; 1471-230X
ISSN (online)	1471-230X
ISSN	1471-230X
DOI	10.1186/s12876-024-03149-3
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Article: Hemostatic Achievement After Introduction of Venovenous Extracorporeal Membrane Oxygenation for Severe Multiple Trauma: A Case Study.

Michishita, Takahiro / Nakajima, Kento / Doi, Tomoki / Mori, Kurumi / Takeuchi, Ichiro

Cureus

2022 Volume 14, Issue 6, Page(s) e25560

Abstract: Venovenous extracorporeal membrane oxygenation (VV-ECMO) is indicated for patients with severe respiratory failure who cannot be managed with a ventilator. We report a case of severe chest trauma with an injury severity score of 66, in which hemostasis ... ...

Abstract	Venovenous extracorporeal membrane oxygenation (VV-ECMO) is indicated for patients with severe respiratory failure who cannot be managed with a ventilator. We report a case of severe chest trauma with an injury severity score of 66, in which hemostasis was achieved after VV-ECMO. A 29-year-old male patient sustained a fall injury from a 4-m cliff. The fall resulted in significant traumatic cerebral hemorrhage, bilateral pulmonary contusion, hemothorax, pelvic fracture, and limb fracture. During transcatheter arterial embolization, the patient continued to bleed from the left lung and showed progressive hypoxemia. In addition, the patient was unable to maintain tidal volume and experienced hypercapnia, and thus, VV-ECMO was introduced, followed by a thoracotomy to stop the bleeding. On the third day of hospitalization, the patient was weaned off VV-ECMO, and on day 35, he was transferred to a rehabilitation hospital for recovery. VV-ECMO may serve as a "bridge" until hemostatic maneuvers for severe chest trauma are completed and may contribute to help ensure adequate respiration.
Language	English
Publishing date	2022-06-01
Publishing country	United States
Document type	Case Reports
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.25560
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Article ; Online: Predictive value of total psoas muscle index for postoperative physical functional decline in older patients undergoing emergency abdominal surgery.

Yamaguchi, Keishi / Matsumoto, Shokei / Abe, Takeru / Nakajima, Kento / Senoo, Satomi / Shimizu, Masayuki / Takeuchi, Ichiro

BMC surgery

2023 Volume 23, Issue 1, Page(s) 171

Abstract: Background: Older individuals increasingly require emergency abdominal surgeries. They are susceptible to surgical stress and loss of independence in performing daily activities. We hypothesized that the psoas muscle volume would be significantly ... ...

Abstract	Background: Older individuals increasingly require emergency abdominal surgeries. They are susceptible to surgical stress and loss of independence in performing daily activities. We hypothesized that the psoas muscle volume would be significantly associated with postoperative functional decline (FD) in older patients undergoing emergency abdominal surgery and aimed to evaluate the use of the psoas muscle volume on computed tomography (CT) scans. Methods: A retrospective, single-center study of patients aged ≥ 65 years who had undergone emergency abdominal surgery between January 2019 and June 2021 was performed. We assessed patients' activities of daily living using the Barthel Index. FD was defined as a ≥ 5-point decrease between preoperative and 28-day postoperative values. The psoas muscle volume was measured by CT, which was used for diagnosis, and normalized by height to calculate total psoas muscle index (TPI). We evaluated associations between FD and TPI using receiver operating characteristics (ROC) analysis and multiple logistic regression analysis. Results: Of 238 eligible patients, 71 (29.8%) had clinical postoperative FD. Compared to the non-FD group, the FD group was significantly older and had a higher proportion of females, higher Charlson Comorbidity Index, lower body mass index, higher American Society of Anesthesiology score, lower serum albumin level, and lower TPI. ROC analyses revealed that TPI had the highest area under the curve (0.802; 95% confidence interval [CI], 0.75-0.86). A multivariable logistic regression model revealed that low TPI was an independent predictor of postoperative FD (odds ratio, 0.14; 95% CI, 0.06-0.32). Conclusions: TPI can predict postoperative FD due to emergency abdominal surgery. Identification of patients who are at high risk of FD before surgery may be useful for enhancing the regionalized system of care for emergency general surgery.
MeSH term(s)	Female ; Humans ; Aged ; Psoas Muscles/diagnostic imaging ; Retrospective Studies ; Activities of Daily Living ; Risk Factors ; Sarcopenia/complications ; Sarcopenia/diagnosis ; Postoperative Complications/epidemiology
Language	English
Publishing date	2023-06-24
Publishing country	England
Document type	Journal Article
ZDB-ID	2050442-1
ISSN	1471-2482 ; 1471-2482
ISSN (online)	1471-2482
ISSN	1471-2482
DOI	10.1186/s12893-023-02085-5
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Article: Determinants of Neural Plastic Changes Induced by Motor Practice.

Dai, Wen / Nakagawa, Kento / Nakajima, Tsuyoshi / Kanosue, Kazuyuki

Frontiers in human neuroscience

2021 Volume 15, Page(s) 613867

Abstract: Short-term motor practice leads to plasticity in the primary motor cortex (M1). The purpose of this study is to investigate the factors that determine the increase in corticospinal tract (CST) excitability after motor practice, with special focus on two ... ...

Abstract	Short-term motor practice leads to plasticity in the primary motor cortex (M1). The purpose of this study is to investigate the factors that determine the increase in corticospinal tract (CST) excitability after motor practice, with special focus on two factors; "the level of muscle activity" and "the presence/absence of a goal of keeping the activity level constant." Fifteen healthy subjects performed four types of rapid thumb adduction in separate sessions. In the "comfortable task" (C) and "forceful task" (F), the subjects adducted their thumb using comfortable and strong forces. In the "comfortable with a goal task" (CG) and "forceful with a goal task" (FG), subjects controlled the muscle activity at the same level as in the C and F, respectively, by adjusting the peak electromyographic amplitude within the target ranges. Paired associative stimulation (PAS), which combines peripheral nerve (median nerve) stimulation and transcranial magnetic stimulation (TMS), with an inter-stimulus interval of 25 ms (PAS25) was also done. Before and after the motor tasks and PAS25, TMS was applied to the M1. None of the four tasks showed any temporary changes in behavior, meaning no learning occurred. Motor-evoked potential (MEP) amplitude increased only after the FG and it exhibited a positive correlation with the MEP increase after PAS25, suggesting that FG and PAS25 share at least similar plasticity mechanisms in the M1. Resting motor threshold (RMT) decreased only after FG, suggesting that FG would also be associated with the membrane depolarization of M1 neurons. These results suggest task-dependent plasticity from the synergistic effect of forceful muscle activity and of setting a goal of keeping the activity level constant.
Language	English
Publishing date	2021-01-28
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2425477-0
ISSN	1662-5161
ISSN	1662-5161
DOI	10.3389/fnhum.2021.613867
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Article ; Online: Reply.

Imajo, Kento / Nakajima, Atsushi

Gastroenterology

2016 Volume 151, Issue 2, Page(s) 375–376

Language	English
Publishing date	2016-08
Publishing country	United States
Document type	Letter
ZDB-ID	80112-4
ISSN	1528-0012 ; 0016-5085
ISSN (online)	1528-0012
ISSN	0016-5085
DOI	10.1053/j.gastro.2016.06.046
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